Jean-Michel Pouré wrote:
On Wed, 2009-01-28 at 11:43 -0800, David Evans wrote:
My understanding is the without the x264 option, ffmpeg includes its
own
codec (h264) and
with it an additional libx264 codec is included. So I guess it
depends
on whether the libx264
codec is being called by name and what the relative facilities of
each
are -- you probably
know more about this than I do though.
FFmpeg includes codecs for reading and writing. Read and write support
is not the same.
=> In the case of H264, FFMpeg can read natively but needs x264 to write
to
H264.
=> The same happens for mp3 : FFmpeg can read natively and not write.
Therefore FFmpeg needs liblame.
I had a look at the sox package that MLT uses for effect and sound
conversion. Well, I was surprised to see several variants:
Variants: ffmpeg flac lame mad universal vorbis
Sox is the swizz army knife for converting files. What is the interest
of Sox for users if people cannot read/write in vorbis or flac or even
use FFmpeg with it. This could lead to problems in softwares like MLT or
Kdenlive.
Kind regards,
JM
Have opened a ticket for enhancement of ffmpeg based on JM's
comments[1]. Please direct any further comments and/or suggestions there.
[1] http://trac.macports.org/ticket/18256
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