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<div class="headertitle"><div class="title">fftools_sync_queue.c File Reference</div></div>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a></td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:a391df52580e6c7620235f5f537793407"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a391df52580e6c7620235f5f537793407">SyncQueueStream</a></td></tr>
<tr class="separator:a391df52580e6c7620235f5f537793407"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:aaddc370144314c88f397d65246fa13c1"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a> (const <a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> dst, <a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> src)</td></tr>
<tr class="separator:aaddc370144314c88f397d65246fa13c1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a251ece02811fb8bd6385fbec33b6a8b4"><td class="memItemLeft" align="right" valign="top">static int64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a> (const <a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</td></tr>
<tr class="separator:a251ece02811fb8bd6385fbec33b6a8b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a870f9c9e4d1ac364766fc8a2c732484f"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f">frame_null</a> (const <a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</td></tr>
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<tr class="memitem:a5e661314646fd1bb8fca507096f61787"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx)</td></tr>
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<tr class="memitem:a4238cc98be178d1a35af01d3c21997c9"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9">queue_head_update</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq)</td></tr>
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<tr class="memitem:a808ad6ed0fb0d7f2e0e145a50376f470"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx, int64_t ts)</td></tr>
<tr class="separator:a808ad6ed0fb0d7f2e0e145a50376f470"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa8de62308b26e4fdd23116f298d7f28d"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d">overflow_heartbeat</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx)</td></tr>
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<tr class="memitem:a5f497d719d4fcd96a015b9994e831fbd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a5f497d719d4fcd96a015b9994e831fbd">sq_send</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx, <a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</td></tr>
<tr class="separator:a5f497d719d4fcd96a015b9994e831fbd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6dec025ee79d08646d778de51776e1c0"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx, <a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</td></tr>
<tr class="separator:a6dec025ee79d08646d778de51776e1c0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab4d019feeae8c6a3ce393901185e7707"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx, <a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</td></tr>
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<tr class="memitem:aa6ea9cdf83d4914aa1dc8efaaac2a732"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#aa6ea9cdf83d4914aa1dc8efaaac2a732">sq_receive</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx, <a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</td></tr>
<tr class="separator:aa6ea9cdf83d4914aa1dc8efaaac2a732"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae3e36c041fbe68938e84e9b59d7d7c46"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#ae3e36c041fbe68938e84e9b59d7d7c46">sq_add_stream</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> limiting)</td></tr>
<tr class="separator:ae3e36c041fbe68938e84e9b59d7d7c46"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a722fd660cd1b213727e18cbf40dff35b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a722fd660cd1b213727e18cbf40dff35b">sq_set_tb</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx, AVRational tb)</td></tr>
<tr class="separator:a722fd660cd1b213727e18cbf40dff35b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a94edf016e07e0f259e4b515d1f8fea57"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a94edf016e07e0f259e4b515d1f8fea57">sq_limit_frames</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> stream_idx, uint64_t frames)</td></tr>
<tr class="separator:a94edf016e07e0f259e4b515d1f8fea57"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3ebd18ffff189c6c8e0a3b0f857d8d74"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#a3ebd18ffff189c6c8e0a3b0f857d8d74">sq_alloc</a> (enum <a class="el" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3">SyncQueueType</a> type, int64_t buf_size_us)</td></tr>
<tr class="separator:a3ebd18ffff189c6c8e0a3b0f857d8d74"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acb4c2cb240da2d2880de0e2286c8ee5a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dbb/fftools__sync__queue_8c.html#acb4c2cb240da2d2880de0e2286c8ee5a">sq_free</a> (<a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> **psq)</td></tr>
<tr class="separator:acb4c2cb240da2d2880de0e2286c8ee5a"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Typedef Documentation</h2>
<a id="a391df52580e6c7620235f5f537793407" name="a391df52580e6c7620235f5f537793407"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a391df52580e6c7620235f5f537793407">&#9670;&#160;</a></span>SyncQueueStream</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">typedef struct <a class="el" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> <a class="el" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="a5e661314646fd1bb8fca507096f61787" name="a5e661314646fd1bb8fca507096f61787"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5e661314646fd1bb8fca507096f61787">&#9670;&#160;</a></span>finish_stream()</h2>
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<div class="memproto">
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<td class="mlabels-left">
<table class="memname">
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<td class="memname">static void finish_stream </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00101">101</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
</div>
</div>
<a id="aaddc370144314c88f397d65246fa13c1" name="aaddc370144314c88f397d65246fa13c1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aaddc370144314c88f397d65246fa13c1">&#9670;&#160;</a></span>frame_move()</h2>
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<td class="memname">static void frame_move </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>&#160;</td>
<td class="paramname"><em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>&#160;</td>
<td class="paramname"><em>src</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00080">80</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="a870f9c9e4d1ac364766fc8a2c732484f" name="a870f9c9e4d1ac364766fc8a2c732484f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a870f9c9e4d1ac364766fc8a2c732484f">&#9670;&#160;</a></span>frame_null()</h2>
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<td class="memname">static <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> frame_null </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>&#160;</td>
<td class="paramname"><em>frame</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00096">96</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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</div>
<a id="a251ece02811fb8bd6385fbec33b6a8b4" name="a251ece02811fb8bd6385fbec33b6a8b4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a251ece02811fb8bd6385fbec33b6a8b4">&#9670;&#160;</a></span>frame_ts()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static int64_t frame_ts </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>&#160;</td>
<td class="paramname"><em>frame</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00089">89</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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</div>
<a id="aa8de62308b26e4fdd23116f298d7f28d" name="aa8de62308b26e4fdd23116f298d7f28d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa8de62308b26e4fdd23116f298d7f28d">&#9670;&#160;</a></span>overflow_heartbeat()</h2>
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<div class="memproto">
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<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> overflow_heartbeat </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00190">190</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="a4238cc98be178d1a35af01d3c21997c9" name="a4238cc98be178d1a35af01d3c21997c9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4238cc98be178d1a35af01d3c21997c9">&#9670;&#160;</a></span>queue_head_update()</h2>
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<td class="mlabels-left">
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<tr>
<td class="memname">static void queue_head_update </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00135">135</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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</div>
<a id="a6dec025ee79d08646d778de51776e1c0" name="a6dec025ee79d08646d778de51776e1c0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6dec025ee79d08646d778de51776e1c0">&#9670;&#160;</a></span>receive_for_stream()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> receive_for_stream </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>&#160;</td>
<td class="paramname"><em>frame</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
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<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00291">291</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="ab4d019feeae8c6a3ce393901185e7707" name="ab4d019feeae8c6a3ce393901185e7707"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab4d019feeae8c6a3ce393901185e7707">&#9670;&#160;</a></span>receive_internal()</h2>
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<div class="memproto">
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<td class="memname">static <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> receive_internal </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>&#160;</td>
<td class="paramname"><em>frame</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00329">329</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="ae3e36c041fbe68938e84e9b59d7d7c46" name="ae3e36c041fbe68938e84e9b59d7d7c46"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae3e36c041fbe68938e84e9b59d7d7c46">&#9670;&#160;</a></span>sq_add_stream()</h2>
<div class="memitem">
<div class="memproto">
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<tr>
<td class="memname"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> sq_add_stream </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>limiting</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Add a new stream to the sync queue.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">limiting</td><td>whether the stream is limiting, i.e. no other stream can be longer than this one </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><ul>
<li>a non-negative stream index on success</li>
<li>a negative error code on error </li>
</ul>
</dd></dl>
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00365">365</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="a3ebd18ffff189c6c8e0a3b0f857d8d74" name="a3ebd18ffff189c6c8e0a3b0f857d8d74"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3ebd18ffff189c6c8e0a3b0f857d8d74">&#9670;&#160;</a></span>sq_alloc()</h2>
<div class="memitem">
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<table class="memname">
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<td class="memname"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> * sq_alloc </td>
<td>(</td>
<td class="paramtype">enum <a class="el" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3">SyncQueueType</a>&#160;</td>
<td class="paramname"><em>type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t&#160;</td>
<td class="paramname"><em>buf_size_us</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Allocate a sync queue of the given type.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">buf_size_us</td><td>maximum duration that will be buffered in microseconds </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00419">419</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="acb4c2cb240da2d2880de0e2286c8ee5a" name="acb4c2cb240da2d2880de0e2286c8ee5a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acb4c2cb240da2d2880de0e2286c8ee5a">&#9670;&#160;</a></span>sq_free()</h2>
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<td class="memname">void sq_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> **&#160;</td>
<td class="paramname"><em>psq</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00442">442</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="a94edf016e07e0f259e4b515d1f8fea57" name="a94edf016e07e0f259e4b515d1f8fea57"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a94edf016e07e0f259e4b515d1f8fea57">&#9670;&#160;</a></span>sq_limit_frames()</h2>
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<td class="memname">void sq_limit_frames </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint64_t&#160;</td>
<td class="paramname"><em>max_frames</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Limit the number of output frames for stream with index stream_idx to max_frames. </p>
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00407">407</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="aa6ea9cdf83d4914aa1dc8efaaac2a732" name="aa6ea9cdf83d4914aa1dc8efaaac2a732"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa6ea9cdf83d4914aa1dc8efaaac2a732">&#9670;&#160;</a></span>sq_receive()</h2>
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<tr>
<td class="memname"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> sq_receive </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>&#160;</td>
<td class="paramname"><em>frame</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Read a frame from the queue.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">stream_idx</td><td>index of the stream to read a frame for. May be -1, then try to read a frame from any stream that is ready for output. </td></tr>
<tr><td class="paramname">frame</td><td>output frame will be written here on success. The frame is owned by the caller.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><ul>
<li>a non-negative index of the stream to which the returned frame belongs</li>
<li>AVERROR(EAGAIN) when more frames need to be submitted to the queue</li>
<li>AVERROR_EOF when no more frames will be available for this stream (for any stream if stream_idx is -1)</li>
<li>another negative error code on failure </li>
</ul>
</dd></dl>
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00353">353</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="a5f497d719d4fcd96a015b9994e831fbd" name="a5f497d719d4fcd96a015b9994e831fbd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5f497d719d4fcd96a015b9994e831fbd">&#9670;&#160;</a></span>sq_send()</h2>
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<td class="memname"><a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a> sq_send </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>&#160;</td>
<td class="paramname"><em>frame</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Submit a frame for the stream with index stream_idx.</p>
<p>On success, the sync queue takes ownership of the frame and will reset the contents of the supplied frame. On failure, the frame remains owned by the caller.</p>
<p>Sending a frame with NULL contents marks the stream as finished.</p>
<dl class="section return"><dt>Returns</dt><dd><ul>
<li>0 on success</li>
<li>AVERROR_EOF when no more frames should be submitted for this stream</li>
<li>another a negative error code on failure </li>
</ul>
</dd></dl>
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00248">248</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<a id="a722fd660cd1b213727e18cbf40dff35b" name="a722fd660cd1b213727e18cbf40dff35b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a722fd660cd1b213727e18cbf40dff35b">&#9670;&#160;</a></span>sq_set_tb()</h2>
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<td class="memname">void sq_set_tb </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">AVRational&#160;</td>
<td class="paramname"><em>tb</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set the timebase for the stream with index stream_idx. Should be called before sending any frames for this stream. </p>
<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00392">392</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a808ad6ed0fb0d7f2e0e145a50376f470">&#9670;&#160;</a></span>stream_update_ts()</h2>
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<td class="memname">static void stream_update_ts </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *&#160;</td>
<td class="paramname"><em>sq</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned <a class="el" href="../../d2/d36/fftools__ffmpeg__filter_8c.html#a61569f2965b7a369eb10b6d75d410d11">int</a>&#160;</td>
<td class="paramname"><em>stream_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t&#160;</td>
<td class="paramname"><em>ts</em>&#160;</td>
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<td></td>
<td>)</td>
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<p class="definition">Definition at line <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html#l00161">161</a> of file <a class="el" href="../../df/dbb/fftools__sync__queue_8c_source.html">fftools_sync_queue.c</a>.</p>
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<div class="headertitle"><div class="title">fftools_sync_queue.c</div></div>
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<div class="contents">
<a href="../../df/dbb/fftools__sync__queue_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (c) 2023 ARTHENICA LTD</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> */</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment">/*</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment"> * This file is the modified version of sync_queue.c file living in ffmpeg source code under the fftools folder. We</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment"> * manually update it each time we depend on a new ffmpeg version. Below you can see the list of changes applied</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment"> * by us to develop ffmpeg-kit library.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="comment"> *</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment"> * ffmpeg-kit changes by ARTHENICA LTD</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="comment"> *</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment"> * 07.2023</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment"> * --------------------------------------------------------</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment"> * - FFmpeg 6.0 changes migrated</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="comment"> * - fftools header names updated</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="comment"> */</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include &quot;libavutil/avassert.h&quot;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include &quot;libavutil/error.h&quot;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include &quot;libavutil/fifo.h&quot;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include &quot;libavutil/mathematics.h&quot;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include &quot;libavutil/mem.h&quot;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include &quot;<a class="code" href="../../d5/df5/fftools__objpool_8h.html">fftools_objpool.h</a>&quot;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include &quot;<a class="code" href="../../d6/d35/fftools__sync__queue_8h.html">fftools_sync_queue.h</a>&quot;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html"> 45</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8"> 46</a></span> AVFifo *<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9"> 47</a></span> AVRational <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="comment">/* stream head: largest timestamp seen */</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead"> 50</a></span> int64_t <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740"> 51</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a>;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/* no more frames will be sent for this stream */</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5"> 53</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431"> 55</a></span> uint64_t <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">frames_sent</a>;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e"> 56</a></span> uint64_t <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a391df52580e6c7620235f5f537793407"> 57</a></span>} <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html"> 59</a></span><span class="keyword">struct </span><a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> {</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9"> 60</a></span> <span class="keyword">enum</span> <a class="code hl_enumeration" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3">SyncQueueType</a> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a>;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">/* no more frames will be sent for any stream */</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed"> 63</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">finished</a>;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="comment">/* sync head: the stream with the _smallest_ head timestamp</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="comment"> * this stream determines which frames can be output */</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5"> 66</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">/* the finished stream with the smallest finish timestamp or -1 */</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16"> 68</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// maximum buffering duration in microseconds</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667"> 71</a></span> int64_t <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">buf_size_us</a>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97"> 73</a></span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4"> 74</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// pool of preallocated frames to avoid constant allocations</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167"> 77</a></span> <a class="code hl_struct" href="../../d4/d62/struct_obj_pool.html">ObjPool</a> *<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span>};</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1"> 80</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a>(<span class="keyword">const</span> <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> dst,</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> src)</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>{</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a> == <a class="code hl_enumvalue" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a>)</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> av_packet_move_ref(dst.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a>, src.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a>);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> av_frame_move_ref(dst.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a>, src.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a>);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span>}</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4"> 89</a></span><span class="keyword">static</span> int64_t <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a>(<span class="keyword">const</span> <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>{</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">return</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a> == <a class="code hl_enumvalue" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a>) ?</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a>-&gt;pts + frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a>-&gt;duration :</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a>-&gt;pts + frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a>-&gt;duration;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span>}</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f"> 96</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f">frame_null</a>(<span class="keyword">const</span> <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span>{</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a> == <a class="code hl_enumvalue" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a>) ? (frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a> == NULL) : (frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a> == NULL);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span>}</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787"> 101</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx)</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span>{</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a> = 1;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> &amp;&amp; st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE) {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">/* check if this stream is the new finished head */</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">if</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a> &lt; 0 ||</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> av_compare_ts(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>,</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>,</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt; 0) {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a> = stream_idx;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> }</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="comment">/* mark as finished all streams that should no longer receive new frames,</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="comment"> * due to them being ahead of some finished stream */</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>];</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st1 = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">if</span> (st != st1 &amp;&amp; st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> av_compare_ts(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt;= 0)</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a> = 1;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> }</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> }</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="comment">/* mark the whole queue as finished if all streams are finished */</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">if</span> (!sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a>)</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> }</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">finished</a> = 1;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>}</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9"> 135</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9">queue_head_update</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq)</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span>{</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">if</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> &lt; 0) {</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">/* wait for one timestamp in each stream before determining</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="comment"> * the queue head */</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> &amp;&amp; st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> == AV_NOPTS_VALUE)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> }</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// placeholder value, correct one will be found below</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> = 0;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st_head = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a>];</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st_other = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">if</span> (st_other-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> &amp;&amp; st_other-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> av_compare_ts(st_other-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st_other-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>,</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> st_head-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st_head-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt; 0)</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> = i;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>}</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="comment">/* update this stream&#39;s head timestamp */</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470"> 161</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx, int64_t ts)</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span>{</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">if</span> (ts == AV_NOPTS_VALUE ||</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp; st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> &gt;= ts))</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> = ts;</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">/* if this stream is now ahead of some finished stream, then</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span><span class="comment"> * this stream is also finished */</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">if</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a> &gt;= 0 &amp;&amp;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> av_compare_ts(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>,</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>,</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt;= 0)</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(sq, stream_idx);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="comment">/* update the overall head timestamp if it could have changed */</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> &amp;&amp;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> &lt; 0 || sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> == stream_idx))</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9">queue_head_update</a>(sq);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span>}</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span><span class="comment">/* If the queue for the given stream (or all streams when stream_idx=-1)</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span><span class="comment"> * is overflowing, trigger a fake heartbeat on lagging streams.</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="comment"> *</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span><span class="comment"> * @return 1 if heartbeat triggered, 0 otherwise</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span><span class="comment"> */</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d"> 190</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d">overflow_heartbeat</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">int</span> stream_idx)</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span>{</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> int64_t tail_ts = AV_NOPTS_VALUE;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="comment">/* if no stream specified, pick the one that is most ahead */</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">if</span> (stream_idx &lt; 0) {</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> int64_t ts = AV_NOPTS_VALUE;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> (ts == AV_NOPTS_VALUE ||</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> av_compare_ts(ts, sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>,</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt; 0)) {</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> ts = st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> stream_idx = i;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> }</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="comment">/* no stream has a timestamp yet -&gt; nothing to do */</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">if</span> (stream_idx &lt; 0)</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> }</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">/* get the chosen stream&#39;s tail timestamp */</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; tail_ts == AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> av_fifo_peek(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, &amp;frame, 1, i) &gt;= 0; i++)</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> tail_ts = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a>(sq, frame);</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="comment">/* overflow triggers when the tail is over specified duration behind the head */</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">if</span> (tail_ts == AV_NOPTS_VALUE || tail_ts &gt;= st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> ||</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> av_rescale_q(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> - tail_ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, AV_TIME_BASE_Q) &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">buf_size_us</a>)</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">/* signal a fake timestamp for all streams that prevent tail_ts from being output */</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> tail_ts++;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st1 = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> int64_t ts;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">if</span> (st == st1 || st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a> ||</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> (st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> av_compare_ts(tail_ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt;= 0))</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> ts = av_rescale_q(tail_ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">if</span> (st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE)</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> ts = FFMAX(st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> + 1, ts);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a>(sq, i, ts);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> }</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span>}</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a5f497d719d4fcd96a015b9994e831fbd"> 248</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5f497d719d4fcd96a015b9994e831fbd">sq_send</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span>{</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> dst;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> int64_t ts;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordtype">int</span> ret;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> av_assert0(stream_idx &lt; sq-&gt;<a class="code hl_variable" href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a>);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> av_assert0(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>.num &gt; 0 &amp;&amp; st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>.den &gt; 0);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f">frame_null</a>(sq, frame)) {</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(sq, stream_idx);</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> }</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a>)</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">return</span> AVERROR_EOF;</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> ret = <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#ac1d7df6827c7b36c79c17a660a96c7f2">objpool_get</a>(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>, (<span class="keywordtype">void</span>**)&amp;dst);</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">if</span> (ret &lt; 0)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a>(sq, dst, frame);</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> ts = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a>(sq, dst);</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> ret = av_fifo_write(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, &amp;dst, 1);</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="keywordflow">if</span> (ret &lt; 0) {</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a>(sq, frame, dst);</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a4da002d4bc3bf48ba22633a96d20bb88">objpool_release</a>(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>, (<span class="keywordtype">void</span>**)&amp;dst);</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> }</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a>(sq, stream_idx, ts);</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> </div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">frames_sent</a>++;</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">frames_sent</a> &gt;= st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a>)</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(sq, stream_idx);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span>}</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0"> 291</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx,</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span>{</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st_head = sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> &gt;= 0 ?</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a>] : NULL;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> av_assert0(stream_idx &lt; sq-&gt;<a class="code hl_variable" href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a>);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">if</span> (av_fifo_can_read(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>)) {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> peek;</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> int64_t ts;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordtype">int</span> cmp = 1;</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> </div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> av_fifo_peek(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, &amp;peek, 1, 0);</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> ts = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a>(sq, peek);</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">/* check if this stream&#39;s tail timestamp does not overtake</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span><span class="comment"> * the overall queue head */</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">if</span> (ts != AV_NOPTS_VALUE &amp;&amp; st_head)</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> cmp = av_compare_ts(ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, st_head-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st_head-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>);</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="comment">/* We can release frames that do not end after the queue head.</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span><span class="comment"> * Frames with no timestamps are just passed through with no conditions.</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span><span class="comment"> */</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keywordflow">if</span> (cmp &lt;= 0 || ts == AV_NOPTS_VALUE) {</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a>(sq, frame, peek);</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a4da002d4bc3bf48ba22633a96d20bb88">objpool_release</a>(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>, (<span class="keywordtype">void</span>**)&amp;peek);</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> av_fifo_drain2(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, 1);</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> }</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">return</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">finished</a> || (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a> &amp;&amp; !av_fifo_can_read(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>))) ?</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> AVERROR_EOF : AVERROR(EAGAIN);</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span>}</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707"> 329</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">int</span> stream_idx, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span>{</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordtype">int</span> nb_eof = 0;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordtype">int</span> ret;</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="comment">/* read a frame for a specific stream */</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="keywordflow">if</span> (stream_idx &gt;= 0) {</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> ret = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a>(sq, stream_idx, frame);</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordflow">return</span> (ret &lt; 0) ? ret : stream_idx;</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> }</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> </div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">/* read a frame for any stream with available output */</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> ret = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a>(sq, i, frame);</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keywordflow">if</span> (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> nb_eof += (ret == AVERROR_EOF);</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> }</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keywordflow">return</span> (ret &lt; 0) ? ret : i;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> }</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">return</span> (nb_eof == sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>) ? AVERROR_EOF : AVERROR(EAGAIN);</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span>}</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> </div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#aa6ea9cdf83d4914aa1dc8efaaac2a732"> 353</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aa6ea9cdf83d4914aa1dc8efaaac2a732">sq_receive</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">int</span> stream_idx, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span>{</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordtype">int</span> ret = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a>(sq, stream_idx, frame);</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> </div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="comment">/* try again if the queue overflowed and triggered a fake heartbeat</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span><span class="comment"> * for lagging streams */</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keywordflow">if</span> (ret == AVERROR(EAGAIN) &amp;&amp; <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d">overflow_heartbeat</a>(sq, stream_idx))</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> ret = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a>(sq, stream_idx, frame);</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> </div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span>}</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> </div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#ae3e36c041fbe68938e84e9b59d7d7c46"> 365</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#ae3e36c041fbe68938e84e9b59d7d7c46">sq_add_stream</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">int</span> limiting)</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span>{</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *tmp, *st;</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> </div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> tmp = av_realloc_array(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>, sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a> + 1, <span class="keyword">sizeof</span>(*sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>));</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keywordflow">if</span> (!tmp)</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a> = tmp;</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> </div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>];</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> memset(st, 0, <span class="keyword">sizeof</span>(*st));</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> </div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a> = av_fifo_alloc2(1, <span class="keyword">sizeof</span>(<a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>), AV_FIFO_FLAG_AUTO_GROW);</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">if</span> (!st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>)</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> </div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="comment">/* we set a valid default, so that a pathological stream that never</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span><span class="comment"> * receives even a real timebase (and no frames) won&#39;t stall all other</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span><span class="comment"> * streams forever; cf. overflow_heartbeat() */</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a> = (AVRational){ 1, 1 };</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> = AV_NOPTS_VALUE;</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a> = UINT64_MAX;</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> = limiting;</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> </div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="keywordflow">return</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>++;</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span>}</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> </div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a722fd660cd1b213727e18cbf40dff35b"> 392</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a722fd660cd1b213727e18cbf40dff35b">sq_set_tb</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx, AVRational tb)</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span>{</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> </div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> av_assert0(stream_idx &lt; sq-&gt;<a class="code hl_variable" href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a>);</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> </div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> av_assert0(!av_fifo_can_read(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>));</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> </div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE)</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> = av_rescale_q(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, tb);</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> </div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a> = tb;</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span>}</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> </div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a94edf016e07e0f259e4b515d1f8fea57"> 407</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a94edf016e07e0f259e4b515d1f8fea57">sq_limit_frames</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx, uint64_t frames)</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span>{</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> </div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> av_assert0(stream_idx &lt; sq-&gt;<a class="code hl_variable" href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a>);</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> </div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a> = frames;</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">frames_sent</a> &gt;= st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a>)</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(sq, stream_idx);</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span>}</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> </div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a3ebd18ffff189c6c8e0a3b0f857d8d74"> 419</a></span><a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *<a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a3ebd18ffff189c6c8e0a3b0f857d8d74">sq_alloc</a>(<span class="keyword">enum</span> <a class="code hl_enumeration" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3">SyncQueueType</a> type, int64_t buf_size_us)</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span>{</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq = av_mallocz(<span class="keyword">sizeof</span>(*sq));</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> </div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keywordflow">if</span> (!sq)</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> </div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a> = type;</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">buf_size_us</a> = buf_size_us;</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> </div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> = -1;</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a> = -1;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> </div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a> = (type == <a class="code hl_enumvalue" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a>) ? <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a11bd14295b9fa65567206b9848f54234">objpool_alloc_packets</a>() :</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a3d2cc90dad36a8b49533bbc1f30b0c3d">objpool_alloc_frames</a>();</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">if</span> (!sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>) {</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> av_freep(&amp;sq);</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> }</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> </div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keywordflow">return</span> sq;</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span>}</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> </div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#acb4c2cb240da2d2880de0e2286c8ee5a"> 442</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#acb4c2cb240da2d2880de0e2286c8ee5a">sq_free</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> **psq)</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span>{</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq = *psq;</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> </div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keywordflow">if</span> (!sq)</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> </div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame;</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keywordflow">while</span> (av_fifo_read(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, &amp;frame, 1) &gt;= 0)</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a4da002d4bc3bf48ba22633a96d20bb88">objpool_release</a>(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>, (<span class="keywordtype">void</span>**)&amp;frame);</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> </div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> av_fifo_freep2(&amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>);</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> }</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> </div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> av_freep(&amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>);</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> </div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a8f520e6bdb0261648153ff389ca2d82c">objpool_free</a>(&amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>);</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> </div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> av_freep(psq);</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span>}</div>
<div class="ttc" id="afftools__ffprobe_8c_html_abad15c2aaf9c54ccddd8d8abf6bed069"><div class="ttname"><a href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a></div><div class="ttdeci">__thread int nb_streams</div><div class="ttdef"><b>Definition</b> <a href="../../d8/d78/fftools__ffprobe_8c_source.html#l00336">fftools_ffprobe.c:336</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_a11bd14295b9fa65567206b9848f54234"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#a11bd14295b9fa65567206b9848f54234">objpool_alloc_packets</a></div><div class="ttdeci">ObjPool * objpool_alloc_packets(void)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00138">fftools_objpool.c:138</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_a3d2cc90dad36a8b49533bbc1f30b0c3d"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#a3d2cc90dad36a8b49533bbc1f30b0c3d">objpool_alloc_frames</a></div><div class="ttdeci">ObjPool * objpool_alloc_frames(void)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00142">fftools_objpool.c:142</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_a4da002d4bc3bf48ba22633a96d20bb88"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#a4da002d4bc3bf48ba22633a96d20bb88">objpool_release</a></div><div class="ttdeci">void objpool_release(ObjPool *op, void **obj)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00092">fftools_objpool.c:92</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_a8f520e6bdb0261648153ff389ca2d82c"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#a8f520e6bdb0261648153ff389ca2d82c">objpool_free</a></div><div class="ttdeci">void objpool_free(ObjPool **pop)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00068">fftools_objpool.c:68</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_ac1d7df6827c7b36c79c17a660a96c7f2"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#ac1d7df6827c7b36c79c17a660a96c7f2">objpool_get</a></div><div class="ttdeci">int objpool_get(ObjPool *op, void **obj)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00081">fftools_objpool.c:81</a></div></div>
<div class="ttc" id="afftools__objpool_8h_html"><div class="ttname"><a href="../../d5/df5/fftools__objpool_8h.html">fftools_objpool.h</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a251ece02811fb8bd6385fbec33b6a8b4"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a></div><div class="ttdeci">static int64_t frame_ts(const SyncQueue *sq, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00089">fftools_sync_queue.c:89</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a3ebd18ffff189c6c8e0a3b0f857d8d74"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a3ebd18ffff189c6c8e0a3b0f857d8d74">sq_alloc</a></div><div class="ttdeci">SyncQueue * sq_alloc(enum SyncQueueType type, int64_t buf_size_us)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00419">fftools_sync_queue.c:419</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a4238cc98be178d1a35af01d3c21997c9"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9">queue_head_update</a></div><div class="ttdeci">static void queue_head_update(SyncQueue *sq)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00135">fftools_sync_queue.c:135</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a5e661314646fd1bb8fca507096f61787"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a></div><div class="ttdeci">static void finish_stream(SyncQueue *sq, unsigned int stream_idx)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00101">fftools_sync_queue.c:101</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a5f497d719d4fcd96a015b9994e831fbd"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a5f497d719d4fcd96a015b9994e831fbd">sq_send</a></div><div class="ttdeci">int sq_send(SyncQueue *sq, unsigned int stream_idx, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00248">fftools_sync_queue.c:248</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a6dec025ee79d08646d778de51776e1c0"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a></div><div class="ttdeci">static int receive_for_stream(SyncQueue *sq, unsigned int stream_idx, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00291">fftools_sync_queue.c:291</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a722fd660cd1b213727e18cbf40dff35b"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a722fd660cd1b213727e18cbf40dff35b">sq_set_tb</a></div><div class="ttdeci">void sq_set_tb(SyncQueue *sq, unsigned int stream_idx, AVRational tb)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00392">fftools_sync_queue.c:392</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a808ad6ed0fb0d7f2e0e145a50376f470"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a></div><div class="ttdeci">static void stream_update_ts(SyncQueue *sq, unsigned int stream_idx, int64_t ts)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00161">fftools_sync_queue.c:161</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a870f9c9e4d1ac364766fc8a2c732484f"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f">frame_null</a></div><div class="ttdeci">static int frame_null(const SyncQueue *sq, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00096">fftools_sync_queue.c:96</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a94edf016e07e0f259e4b515d1f8fea57"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a94edf016e07e0f259e4b515d1f8fea57">sq_limit_frames</a></div><div class="ttdeci">void sq_limit_frames(SyncQueue *sq, unsigned int stream_idx, uint64_t frames)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00407">fftools_sync_queue.c:407</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_aa6ea9cdf83d4914aa1dc8efaaac2a732"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#aa6ea9cdf83d4914aa1dc8efaaac2a732">sq_receive</a></div><div class="ttdeci">int sq_receive(SyncQueue *sq, int stream_idx, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00353">fftools_sync_queue.c:353</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_aa8de62308b26e4fdd23116f298d7f28d"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d">overflow_heartbeat</a></div><div class="ttdeci">static int overflow_heartbeat(SyncQueue *sq, int stream_idx)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00190">fftools_sync_queue.c:190</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_aaddc370144314c88f397d65246fa13c1"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a></div><div class="ttdeci">static void frame_move(const SyncQueue *sq, SyncQueueFrame dst, SyncQueueFrame src)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00080">fftools_sync_queue.c:80</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_ab4d019feeae8c6a3ce393901185e7707"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a></div><div class="ttdeci">static int receive_internal(SyncQueue *sq, int stream_idx, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00329">fftools_sync_queue.c:329</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_acb4c2cb240da2d2880de0e2286c8ee5a"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#acb4c2cb240da2d2880de0e2286c8ee5a">sq_free</a></div><div class="ttdeci">void sq_free(SyncQueue **psq)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00442">fftools_sync_queue.c:442</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_ae3e36c041fbe68938e84e9b59d7d7c46"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#ae3e36c041fbe68938e84e9b59d7d7c46">sq_add_stream</a></div><div class="ttdeci">int sq_add_stream(SyncQueue *sq, int limiting)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00365">fftools_sync_queue.c:365</a></div></div>
<div class="ttc" id="afftools__sync__queue_8h_html"><div class="ttname"><a href="../../d6/d35/fftools__sync__queue_8h.html">fftools_sync_queue.h</a></div></div>
<div class="ttc" id="afftools__sync__queue_8h_html_a8ecdcf04d361bd531cc8d36a3b6213b3"><div class="ttname"><a href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3">SyncQueueType</a></div><div class="ttdeci">SyncQueueType</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00041">fftools_sync_queue.h:41</a></div></div>
<div class="ttc" id="afftools__sync__queue_8h_html_a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d"><div class="ttname"><a href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a></div><div class="ttdeci">@ SYNC_QUEUE_PACKETS</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00042">fftools_sync_queue.h:42</a></div></div>
<div class="ttc" id="astruct_obj_pool_html"><div class="ttname"><a href="../../d4/d62/struct_obj_pool.html">ObjPool</a></div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00044">fftools_objpool.c:44</a></div></div>
<div class="ttc" id="astruct_sync_queue_html"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html">SyncQueue</a></div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00059">fftools_sync_queue.c:59</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_a5733f48b0ec4a03e3de1a8029bdd44ed"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">SyncQueue::finished</a></div><div class="ttdeci">int finished</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00063">fftools_sync_queue.c:63</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_a94cc4e4e7042ff5a103d91005f44dc97"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">SyncQueue::streams</a></div><div class="ttdeci">SyncQueueStream * streams</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00073">fftools_sync_queue.c:73</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_a955459c81fb9f8e61c889b73955ed3a5"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">SyncQueue::head_stream</a></div><div class="ttdeci">int head_stream</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00066">fftools_sync_queue.c:66</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_a9b015594410ac2faa91b148d7d4501b9"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">SyncQueue::type</a></div><div class="ttdeci">enum SyncQueueType type</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00060">fftools_sync_queue.c:60</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_aadf23023786eab9ab40f1f2182719167"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">SyncQueue::pool</a></div><div class="ttdeci">ObjPool * pool</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00077">fftools_sync_queue.c:77</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_ac4cb296973a28d7e2625724cddc42667"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">SyncQueue::buf_size_us</a></div><div class="ttdeci">int64_t buf_size_us</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00071">fftools_sync_queue.c:71</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_aedb3e815e90b53a52cac23c172c704f4"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">SyncQueue::nb_streams</a></div><div class="ttdeci">unsigned int nb_streams</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00074">fftools_sync_queue.c:74</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_afff43d090ee04704815e3187b6500a16"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">SyncQueue::head_finished_stream</a></div><div class="ttdeci">int head_finished_stream</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00068">fftools_sync_queue.c:68</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a></div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00045">fftools_sync_queue.c:45</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_a215a25282f85265e765035089c7197f9"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">SyncQueueStream::tb</a></div><div class="ttdeci">AVRational tb</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00047">fftools_sync_queue.c:47</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_a24abe05decc9a6825a890be5cddcb740"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">SyncQueueStream::limiting</a></div><div class="ttdeci">int limiting</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00051">fftools_sync_queue.c:51</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_a9780b2194bcb4f34802ad6c8119f4fe5"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">SyncQueueStream::finished</a></div><div class="ttdeci">int finished</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00053">fftools_sync_queue.c:53</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_aa3aa5fc3137f9f222d45a0dcb5d031f8"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">SyncQueueStream::fifo</a></div><div class="ttdeci">AVFifo * fifo</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00046">fftools_sync_queue.c:46</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_ab20fc7999548152df14069363152e431"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">SyncQueueStream::frames_sent</a></div><div class="ttdeci">uint64_t frames_sent</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00055">fftools_sync_queue.c:55</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_ad2651b7a252f02dcb05098760d0b9a4e"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">SyncQueueStream::frames_max</a></div><div class="ttdeci">uint64_t frames_max</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00056">fftools_sync_queue.c:56</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_afa8c97ba87d308f5760f61c229a8fead"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">SyncQueueStream::head_ts</a></div><div class="ttdeci">int64_t head_ts</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00050">fftools_sync_queue.c:50</a></div></div>
<div class="ttc" id="aunion_sync_queue_frame_html"><div class="ttname"><a href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a></div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00046">fftools_sync_queue.h:46</a></div></div>
<div class="ttc" id="aunion_sync_queue_frame_html_a760fa08c314c05cb7455db8eb3823eb8"><div class="ttname"><a href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">SyncQueueFrame::f</a></div><div class="ttdeci">AVFrame * f</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00047">fftools_sync_queue.h:47</a></div></div>
<div class="ttc" id="aunion_sync_queue_frame_html_adddf0753b505502215ea450eb58b807e"><div class="ttname"><a href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">SyncQueueFrame::p</a></div><div class="ttdeci">AVPacket * p</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00048">fftools_sync_queue.h:48</a></div></div>
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