[FFmpeg-devel] [PATCH] Add documentation for the framecrc muxer.

Stefano Sabatini stefano.sabatini-lala
Sun Feb 6 15:25:07 CET 2011


On date Thursday 2011-02-03 00:56:48 +0100, Stefano Sabatini encoded:
> On date Wednesday 2011-02-02 23:00:15 +0100, Diego Biurrun encoded:
> > On Tue, Feb 01, 2011 at 11:42:43AM +0100, Stefano Sabatini wrote:
> > > 
> > > Updated.
> > > 
> > > --- a/doc/muxers.texi
> > > +++ b/doc/muxers.texi
> > > @@ -51,6 +52,46 @@ and the input video converted to MPEG-2 video, use the command:
> > >  
> > > + at anchor{framecrc}
> > > + at section framecrc
> > > +
> > > +Per-frame CRC (Cyclic Redundancy Check) testing format.
> > > +
> > > +This muxer computes and prints the Adler-32 CRC for each decoded audio
> > > +and video frame. By default the CRC is computed on the input audio and
> > > +video frames converted respectively to rawvideo and signed 16-bit
> > > +rawaudio.
> > 
> > See my comment about the CRC muxer docs.
> > 
> > > +The output of the muxer consists of a line for each audio and video
> > > +frame of the form: @var{stream_index}, @var{frame_dts},
> > > + at var{frame_size}, 0x at var{CRC}, where @var{CRC} is an hexadecimal
> > 
> > s/an/a/
> > 
> > > +You can print the CRC of each decoded frame to stdout with the command
> > > +(using the @file{sh} shell syntax):
> > > + at example
> > > +ffmpeg -i INPUT -f framecrc -
> > > + at end example
> > 
> > See the other review.
> > 
> > > +You can select the output format of each frame with @file{ffmpeg} by
> > > +specifying the audio and video codec and format. For example to
> > 
> > For example,
> 
> Fixed+updated.

Ping.
-- 
FFmpeg = Funny Funny Most Philosofic Emblematic Generator



More information about the ffmpeg-devel mailing list