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ffmpeg-0.4.9-3.pre1.11599.2mdv2008.1.x86_64.rpm

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<h1 class="chapter"> 1. Introduction </h1>

<p>FFplay is a very simple and portable media player using the FFmpeg
libraries and the SDL library. It is mostly used as a testbed for the
various FFmpeg APIs.
</p>
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<h1 class="chapter"> 2. Invocation </h1>

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<h2 class="section"> 2.1 Syntax </h2>
<table><tr><td>&nbsp;</td><td><pre class="example">ffplay [options] &lsquo;<tt>input_file</tt>&rsquo;
</pre></td></tr></table>

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<h2 class="section"> 2.2 Main options </h2>

<dl compact="compact">
<dt> &lsquo;<samp>-h</samp>&rsquo;</dt>
<dd><p>show help
</p></dd>
<dt> &lsquo;<samp>-x width</samp>&rsquo;</dt>
<dd><p>force displayed width
</p></dd>
<dt> &lsquo;<samp>-y height</samp>&rsquo;</dt>
<dd><p>force displayed height
</p></dd>
<dt> &lsquo;<samp>-s size</samp>&rsquo;</dt>
<dd><p>Set frame size (WxH or abbreviation), needed for videos which don't
contain a header with the framesize like raw YUV.
</p></dd>
<dt> &lsquo;<samp>-an</samp>&rsquo;</dt>
<dd><p>disable audio
</p></dd>
<dt> &lsquo;<samp>-vn</samp>&rsquo;</dt>
<dd><p>disable video
</p></dd>
<dt> &lsquo;<samp>-ss pos</samp>&rsquo;</dt>
<dd><p>seek to a given position in seconds
</p></dd>
<dt> &lsquo;<samp>-bytes</samp>&rsquo;</dt>
<dd><p>seek by bytes
</p></dd>
<dt> &lsquo;<samp>-nodisp</samp>&rsquo;</dt>
<dd><p>disable graphical display
</p></dd>
<dt> &lsquo;<samp>-f fmt</samp>&rsquo;</dt>
<dd><p>force format
</p></dd>
</dl>

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<h2 class="section"> 2.3 Advanced options </h2>
<dl compact="compact">
<dt> &lsquo;<samp>-pix_fmt format</samp>&rsquo;</dt>
<dd><p>set pixel format
</p></dd>
<dt> &lsquo;<samp>-stats</samp>&rsquo;</dt>
<dd><p>Show the stream duration, the codec parameters, the current position in
the stream and the audio/video synchronisation drift.
</p></dd>
<dt> &lsquo;<samp>-debug</samp>&rsquo;</dt>
<dd><p>print specific debug info
</p></dd>
<dt> &lsquo;<samp>-bug</samp>&rsquo;</dt>
<dd><p>work around bugs
</p></dd>
<dt> &lsquo;<samp>-vismv</samp>&rsquo;</dt>
<dd><p>visualize motion vectors
</p></dd>
<dt> &lsquo;<samp>-fast</samp>&rsquo;</dt>
<dd><p>non-spec-compliant optimizations
</p></dd>
<dt> &lsquo;<samp>-genpts</samp>&rsquo;</dt>
<dd><p>generate pts
</p></dd>
<dt> &lsquo;<samp>-rtp_tcp</samp>&rsquo;</dt>
<dd><p>Force RTP/TCP protocol usage instead of RTP/UDP. It is only meaningful
if you are streaming with the RTSP protocol.
</p></dd>
<dt> &lsquo;<samp>-sync type</samp>&rsquo;</dt>
<dd><p>Set the master clock to audio (<code>type=audio</code>), video
(<code>type=video</code>) or external (<code>type=ext</code>). Default is audio. The
master clock is used to control audio-video synchronization. Most media
players use audio as master clock, but in some cases (streaming or high
quality broadcast) it is necessary to change that. This option is mainly
used for debugging purposes.
</p></dd>
<dt> &lsquo;<samp>-threads count</samp>&rsquo;</dt>
<dd><p>thread count
</p></dd>
</dl>

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<h2 class="section"> 2.4 While playing </h2>

<dl compact="compact">
<dt> &lt;q, ESC&gt;</dt>
<dd><p>quit
</p>
</dd>
<dt> &lt;f&gt;</dt>
<dd><p>toggle full screen
</p>
</dd>
<dt> &lt;p, SPC&gt;</dt>
<dd><p>pause
</p>
</dd>
<dt> &lt;a&gt;</dt>
<dd><p>cycle audio channel
</p>
</dd>
<dt> &lt;v&gt;</dt>
<dd><p>cycle video channel
</p>
</dd>
<dt> &lt;w&gt;</dt>
<dd><p>show audio waves
</p>
</dd>
<dt> &lt;left/right&gt;</dt>
<dd><p>seek backward/forward 10 seconds
</p>
</dd>
<dt> &lt;down/up&gt;</dt>
<dd><p>seek backward/forward 1 minute
</p>
</dd>
<dt> &lt;mouse click&gt;</dt>
<dd><p>seek to percentage in file corresponding to fraction of width
</p>
</dd>
</dl>



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<h1>About This Document</h1>
<p>
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<p>
  where the <strong> Example </strong> assumes that the current position is at <strong> Subsubsection One-Two-Three </strong> of a document of the following structure:
</p>

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    <ul>
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        <ul>
          <li>...</li>
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