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


<p>FFprobe gathers information from multimedia streams and prints it in
human- and machine-readable fashion.
</p>
<p>For example it can be used to check the format of the container used
by a multimedia stream and the format and type of each media stream
contained in it.
</p>
<p>If a filename is specified in input, ffprobe will try to open and
probe the file content. If the file cannot be opened or recognized as
a multimedia file, a positive exit code is returned.
</p>
<p>FFprobe may be employed both as a standalone application or in
combination with a textual filter, which may perform more
sophisticated processing, e.g. statistical processing or plotting.
</p>
<p>Options are used to list some of the formats supported by ffprobe or
for specifying which information to display, and for setting how
ffprobe will show it.
</p>
<p>FFprobe output is designed to be easily parsable by a textual filter,
and consists of one or more sections of the form:
</p><table><tr><td>&nbsp;</td><td><pre class="example">[SECTION]
key1=val1
...
keyN=valN
[/SECTION]
</pre></td></tr></table>

<p>Metadata tags stored in the container or in the streams are recognized
and printed in the corresponding &ldquo;FORMAT&rdquo; or &ldquo;STREAM&rdquo; section, and
are prefixed by the string &ldquo;TAG:&rdquo;.
</p>

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<h1 class="chapter"> 2. Invocation </h1>

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<h2 class="section"> 2.1 Syntax </h2>

<p>The generic syntax is:
</p>
<table><tr><td>&nbsp;</td><td><pre class="example">ffprobe [options] [&lsquo;<tt>input_file</tt>&rsquo;]
</pre></td></tr></table>


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

<p>These options are shared amongst the ff* tools.
</p>
<dl compact="compact">
<dt> &lsquo;<samp>-L</samp>&rsquo;</dt>
<dd><p>Show license.
</p>
</dd>
<dt> &lsquo;<samp>-h, -?, -help, --help</samp>&rsquo;</dt>
<dd><p>Show help.
</p>
</dd>
<dt> &lsquo;<samp>-version</samp>&rsquo;</dt>
<dd><p>Show version.
</p>
</dd>
<dt> &lsquo;<samp>-formats</samp>&rsquo;</dt>
<dd><p>Show available formats.
</p>
<p>The fields preceding the format names have the following meanings:
</p><dl compact="compact">
<dt> &lsquo;<samp>D</samp>&rsquo;</dt>
<dd><p>Decoding available
</p></dd>
<dt> &lsquo;<samp>E</samp>&rsquo;</dt>
<dd><p>Encoding available
</p></dd>
</dl>

</dd>
<dt> &lsquo;<samp>-codecs</samp>&rsquo;</dt>
<dd><p>Show available codecs.
</p>
<p>The fields preceding the codec names have the following meanings:
</p><dl compact="compact">
<dt> &lsquo;<samp>D</samp>&rsquo;</dt>
<dd><p>Decoding available
</p></dd>
<dt> &lsquo;<samp>E</samp>&rsquo;</dt>
<dd><p>Encoding available
</p></dd>
<dt> &lsquo;<samp>V/A/S</samp>&rsquo;</dt>
<dd><p>Video/audio/subtitle codec
</p></dd>
<dt> &lsquo;<samp>S</samp>&rsquo;</dt>
<dd><p>Codec supports slices
</p></dd>
<dt> &lsquo;<samp>D</samp>&rsquo;</dt>
<dd><p>Codec supports direct rendering
</p></dd>
<dt> &lsquo;<samp>T</samp>&rsquo;</dt>
<dd><p>Codec can handle input truncated at random locations instead of only at frame boundaries
</p></dd>
</dl>

</dd>
<dt> &lsquo;<samp>-bsfs</samp>&rsquo;</dt>
<dd><p>Show available bitstream filters.
</p>
</dd>
<dt> &lsquo;<samp>-protocols</samp>&rsquo;</dt>
<dd><p>Show available protocols.
</p>
</dd>
<dt> &lsquo;<samp>-filters</samp>&rsquo;</dt>
<dd><p>Show available libavfilter filters.
</p>
</dd>
<dt> &lsquo;<samp>-pix_fmts</samp>&rsquo;</dt>
<dd><p>Show available pixel formats.
</p>
</dd>
<dt> &lsquo;<samp>-loglevel <var>loglevel</var></samp>&rsquo;</dt>
<dd><p>Set the logging level used by the library.
<var>loglevel</var> is a number or a string containing one of the following values:
</p><dl compact="compact">
<dt> &lsquo;<samp>quiet</samp>&rsquo;</dt>
<dt> &lsquo;<samp>panic</samp>&rsquo;</dt>
<dt> &lsquo;<samp>fatal</samp>&rsquo;</dt>
<dt> &lsquo;<samp>error</samp>&rsquo;</dt>
<dt> &lsquo;<samp>warning</samp>&rsquo;</dt>
<dt> &lsquo;<samp>info</samp>&rsquo;</dt>
<dt> &lsquo;<samp>verbose</samp>&rsquo;</dt>
<dt> &lsquo;<samp>debug</samp>&rsquo;</dt>
</dl>

</dd>
</dl>

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<h2 class="section"> 2.3 Main options </h2>

<dl compact="compact">
<dt> &lsquo;<samp>-convert_tags</samp>&rsquo;</dt>
<dd><p>Convert the tag names in the format container to the generic FFmpeg tag names.
</p>
</dd>
<dt> &lsquo;<samp>-f <var>format</var></samp>&rsquo;</dt>
<dd><p>Force format to use.
</p>
</dd>
<dt> &lsquo;<samp>-unit</samp>&rsquo;</dt>
<dd><p>Show the unit of the displayed values.
</p>
</dd>
<dt> &lsquo;<samp>-prefix</samp>&rsquo;</dt>
<dd><p>Show a SI prefixes of the displayed values.
Unless &ldquo;-byte_binary_prefix&rdquo; option is used all the prefix
are decimal.
</p>
</dd>
<dt> &lsquo;<samp>-byte_binary_prefix</samp>&rsquo;</dt>
<dd><p>Force the use of binary prefixes for byte values.
</p>
</dd>
<dt> &lsquo;<samp>-sexagesimal</samp>&rsquo;</dt>
<dd><p>Use sexagesimal format HH:MM:SS.MICROSECONDS for time values.
</p>
</dd>
<dt> &lsquo;<samp>-pretty</samp>&rsquo;</dt>
<dd><p>Prettify the format of the displayed values, it corresponds to the
options &ldquo;-unit -prefix -byte_binary_prefix -sexagesimal&rdquo;.
</p>
</dd>
<dt> &lsquo;<samp>-show_format</samp>&rsquo;</dt>
<dd><p>Show information about the container format of the input multimedia
stream.
</p>
<p>All the container format information is printed within a section with
name &ldquo;FORMAT&rdquo;.
</p>
</dd>
<dt> &lsquo;<samp>-show_streams</samp>&rsquo;</dt>
<dd><p>Show information about each media stream contained in the input
multimedia stream.
</p>
<p>Each media stream information is printed within a dedicated section
with name &ldquo;STREAM&rdquo;.
</p>
</dd>
</dl>


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<h1>About This Document</h1>
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