[Ffmpeg-devel] [PATCH] from DivX, Part 4: LAME ABR encoding

[Rich Felker]

On Fri, Dec 16, 2005 at 01:54:25PM -1000, Steve Lhomme wrote:
> Provided some containers may not like non-CBR codecs, it's safer to make 
> it optional.

There is no such container, at least not supported in lavf. And please
don't top-post.

> 
> Rich Felker wrote:
> >On Fri, Dec 16, 2005 at 11:34:11AM -1000, Steve Lhomme wrote:
> >
> >>As the name suggests, this adds a flag to FFMPEG to allow Average 
> >>Bitrate encoding using LAME.
> >
> >
> >>Index: libavcodec/avcodec.h
> >>===================================================================
> >>RCS file: /cvsroot/ffmpeg/ffmpeg/libavcodec/avcodec.h,v
> >>retrieving revision 1.430
> >>diff -u -r1.430 avcodec.h
> >>--- libavcodec/avcodec.h	9 Dec 2005 16:08:18 -0000	1.430
> >>+++ libavcodec/avcodec.h	16 Dec 2005 21:30:04 -0000
> >>@@ -320,6 +320,7 @@
> >>
> >>#define CODEC_FLAG_QSCALE 0x0002  ///< use fixed qscale 
> >>#define CODEC_FLAG_4MV    0x0004  ///< 4 MV per MB allowed / Advanced 
> >>prediction for H263
> >>+#define CODEC_FLAG_ABR    0x0008  ///< use ABR mode (DivX Inc)
> >
> >
> >Is this really necessary? IMO lavc should always be in 'abr' mode
> >unless minrate/maxrate are set (cbr) or constant quality (vbr) is
> >set...
> >
> >Rich
> >
> >_______________________________________________
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> >ffmpeg-devel at mplayerhq.hu
> >http://mplayerhq.hu/mailman/listinfo/ffmpeg-devel
> >
> 
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