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<a href="#pub-attribs">Data Fields</a>  </div>
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<div class="title">AVBufferSrcParameters Struct Reference<div class="ingroups"><a class="el" href="group__lavfi.html">libavfilter</a> &raquo; <a class="el" href="group__lavfi__buffersrc.html">Buffer source API</a></div></div>  </div>
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<p>This structure contains the parameters describing the frames that will be passed to this filter.  
 <a href="structAVBufferSrcParameters.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="buffersrc_8h_source.html">libavfilter/buffersrc.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a56f28f81f1a86cecc39a8d61674912b8"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#a56f28f81f1a86cecc39a8d61674912b8">format</a></td></tr>
<tr class="memdesc:a56f28f81f1a86cecc39a8d61674912b8"><td class="mdescLeft">&#160;</td><td class="mdescRight">video: the pixel format, value corresponds to enum AVPixelFormat audio: the sample format, value corresponds to enum AVSampleFormat  <a href="#a56f28f81f1a86cecc39a8d61674912b8">More...</a><br /></td></tr>
<tr class="separator:a56f28f81f1a86cecc39a8d61674912b8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7767325c1259942a33586f05c90e38b0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structAVRational.html">AVRational</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#a7767325c1259942a33586f05c90e38b0">time_base</a></td></tr>
<tr class="memdesc:a7767325c1259942a33586f05c90e38b0"><td class="mdescLeft">&#160;</td><td class="mdescRight">The timebase to be used for the timestamps on the input frames.  <a href="#a7767325c1259942a33586f05c90e38b0">More...</a><br /></td></tr>
<tr class="separator:a7767325c1259942a33586f05c90e38b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6c6f3d9ed8b427070e9055e7ac61263f"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#a6c6f3d9ed8b427070e9055e7ac61263f">width</a></td></tr>
<tr class="memdesc:a6c6f3d9ed8b427070e9055e7ac61263f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Video only, the display dimensions of the input frames.  <a href="#a6c6f3d9ed8b427070e9055e7ac61263f">More...</a><br /></td></tr>
<tr class="separator:a6c6f3d9ed8b427070e9055e7ac61263f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a89783d603b84908fb1998bbbea981b70"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#a89783d603b84908fb1998bbbea981b70">height</a></td></tr>
<tr class="separator:a89783d603b84908fb1998bbbea981b70"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae47c141ea7a7770351613242229f951a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structAVRational.html">AVRational</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#ae47c141ea7a7770351613242229f951a">sample_aspect_ratio</a></td></tr>
<tr class="memdesc:ae47c141ea7a7770351613242229f951a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Video only, the sample (pixel) aspect ratio.  <a href="#ae47c141ea7a7770351613242229f951a">More...</a><br /></td></tr>
<tr class="separator:ae47c141ea7a7770351613242229f951a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a032a202496206e18449c66233058647a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structAVRational.html">AVRational</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#a032a202496206e18449c66233058647a">frame_rate</a></td></tr>
<tr class="memdesc:a032a202496206e18449c66233058647a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Video only, the frame rate of the input video.  <a href="#a032a202496206e18449c66233058647a">More...</a><br /></td></tr>
<tr class="separator:a032a202496206e18449c66233058647a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a86c49b4202433037c9e2b0b6ae541534"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structAVBufferRef.html">AVBufferRef</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#a86c49b4202433037c9e2b0b6ae541534">hw_frames_ctx</a></td></tr>
<tr class="memdesc:a86c49b4202433037c9e2b0b6ae541534"><td class="mdescLeft">&#160;</td><td class="mdescRight">Video with a hwaccel pixel format only.  <a href="#a86c49b4202433037c9e2b0b6ae541534">More...</a><br /></td></tr>
<tr class="separator:a86c49b4202433037c9e2b0b6ae541534"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a34a1613f1e80f8520c159fac59e29834"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#a34a1613f1e80f8520c159fac59e29834">sample_rate</a></td></tr>
<tr class="memdesc:a34a1613f1e80f8520c159fac59e29834"><td class="mdescLeft">&#160;</td><td class="mdescRight">Audio only, the audio sampling rate in samples per secon.  <a href="#a34a1613f1e80f8520c159fac59e29834">More...</a><br /></td></tr>
<tr class="separator:a34a1613f1e80f8520c159fac59e29834"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afa7a9f0a7d29029d1b68528f2610a340"><td class="memItemLeft" align="right" valign="top">uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAVBufferSrcParameters.html#afa7a9f0a7d29029d1b68528f2610a340">channel_layout</a></td></tr>
<tr class="memdesc:afa7a9f0a7d29029d1b68528f2610a340"><td class="mdescLeft">&#160;</td><td class="mdescRight">Audio only, the audio channel layout.  <a href="#afa7a9f0a7d29029d1b68528f2610a340">More...</a><br /></td></tr>
<tr class="separator:afa7a9f0a7d29029d1b68528f2610a340"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This structure contains the parameters describing the frames that will be passed to this filter. </p>
<p>It should be allocated with <a class="el" href="group__lavfi__buffersrc.html#gaae82d4f8a69757ce01421dd3167861a5" title="Allocate a new AVBufferSrcParameters instance. ">av_buffersrc_parameters_alloc()</a> and freed with <a class="el" href="group__lavu__mem__funcs.html#ga0c9096f498624c525aa2315b8a20c411" title="Free a memory block which has been allocated with a function of av_malloc() or av_realloc() family...">av_free()</a>. All the allocated fields in it remain owned by the caller. </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00073">73</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>
</div><h2 class="groupheader">Field Documentation</h2>
<a id="a56f28f81f1a86cecc39a8d61674912b8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a56f28f81f1a86cecc39a8d61674912b8">&#9670;&nbsp;</a></span>format</h2>

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          <td class="memname">int AVBufferSrcParameters::format</td>
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<p>video: the pixel format, value corresponds to enum AVPixelFormat audio: the sample format, value corresponds to enum AVSampleFormat </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00078">78</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<a id="a7767325c1259942a33586f05c90e38b0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7767325c1259942a33586f05c90e38b0">&#9670;&nbsp;</a></span>time_base</h2>

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          <td class="memname"><a class="el" href="structAVRational.html">AVRational</a> AVBufferSrcParameters::time_base</td>
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<p>The timebase to be used for the timestamps on the input frames. </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00082">82</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<a id="a6c6f3d9ed8b427070e9055e7ac61263f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6c6f3d9ed8b427070e9055e7ac61263f">&#9670;&nbsp;</a></span>width</h2>

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<p>Video only, the display dimensions of the input frames. </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00087">87</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<a id="a89783d603b84908fb1998bbbea981b70"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a89783d603b84908fb1998bbbea981b70">&#9670;&nbsp;</a></span>height</h2>

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          <td class="memname">int AVBufferSrcParameters::height</td>
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<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00087">87</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<a id="ae47c141ea7a7770351613242229f951a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae47c141ea7a7770351613242229f951a">&#9670;&nbsp;</a></span>sample_aspect_ratio</h2>

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          <td class="memname"><a class="el" href="structAVRational.html">AVRational</a> AVBufferSrcParameters::sample_aspect_ratio</td>
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<p>Video only, the sample (pixel) aspect ratio. </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00092">92</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a032a202496206e18449c66233058647a">&#9670;&nbsp;</a></span>frame_rate</h2>

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<p>Video only, the frame rate of the input video. </p>
<p>This field must only be set to a non-zero value if input stream has a known constant framerate and should be left at its initial value if the framerate is variable or unknown. </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00100">100</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a86c49b4202433037c9e2b0b6ae541534">&#9670;&nbsp;</a></span>hw_frames_ctx</h2>

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          <td class="memname"><a class="el" href="structAVBufferRef.html">AVBufferRef</a>* AVBufferSrcParameters::hw_frames_ctx</td>
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<p>Video with a hwaccel pixel format only. </p>
<p>This should be a reference to an <a class="el" href="structAVHWFramesContext.html" title="This struct describes a set or pool of &quot;hardware&quot; frames (i.e. ">AVHWFramesContext</a> instance describing the input frames. </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00106">106</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<a id="a34a1613f1e80f8520c159fac59e29834"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a34a1613f1e80f8520c159fac59e29834">&#9670;&nbsp;</a></span>sample_rate</h2>

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          <td class="memname">int AVBufferSrcParameters::sample_rate</td>
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<p>Audio only, the audio sampling rate in samples per secon. </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00111">111</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<a id="afa7a9f0a7d29029d1b68528f2610a340"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afa7a9f0a7d29029d1b68528f2610a340">&#9670;&nbsp;</a></span>channel_layout</h2>

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<p>Audio only, the audio channel layout. </p>

<p class="definition">Definition at line <a class="el" href="buffersrc_8h_source.html#l00116">116</a> of file <a class="el" href="buffersrc_8h_source.html">buffersrc.h</a>.</p>

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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>libavfilter/<a class="el" href="buffersrc_8h_source.html">buffersrc.h</a></li>
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