[MPlayer-dev-eng] [PATCH] lavf demuxer: always overwrite codec_tag for PCM formats

[Roberto Togni]

Hi all,
 currently demuxer_lavf fails to set the correct codec format for some
pcm files (eg. .au files, see samples/au/vrooom.au). This happens
because the demuxer fills codec_tag with the tag used in the file (2
for vrooom.au), and so MPlayer does not look into the codec_id =>
codec_tag table to fix it. Also in this case the original codec_tag is
already used by MPlayer (ms dpcm).
lavf demuxer set the codec_id to the right format for pcm codecs.

This patch forces demuxer_lavf to ignore the codec_tag for pcm formats,
and to always replace it with a tag computed from the CODEC_ID_PCM_*
value.

It fixes the vrooom.au file and works with the other files I've tested.

Ciao,
 Roberto

-- 
Better is the enemy of good enough.
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