[Ffmpeg-devel] [PATCH] AMR demuxer fourcc

Roberto Togni r_togni
Sun Apr 24 13:20:06 CEST 2005

On Sat, 23 Apr 2005 22:27:24 +0200
Roberto Togni <r_togni at tiscali.it> wrote:

> Hi all
> amr.c demuxer sets the codec tag (fourcc) to CODEC_ID_AMR_[NB|WB],
> instead of using the common fourcc "samr" and "sawb" or leaving it
> blank.
> This make .amr files umplayable in mplayer, unless you add the codec
> as format 0x12000 and format 0x12001 in codecs.conf; but i don't like
> using internal codec id as format identifiers.
> Other demuxers that do not use fourcc leave the tag field = 0, and
> mplayer demux_lavf fill it with codec_get_wav_tag (or bmp for video),
> but it won't work in this case because there is no known twocc for amr
> audio.
> The attached patch make amr.c set the tag field to the official fourcc
> for amr nb and wb. Ok to apply?
> Ciao,
>  Roberto


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