[FFmpeg-devel] [PATCH] lavf/mov: Audio and AV_CODEC_ID_NONE
matsp888 at yahoo.com
Mon Jan 4 22:18:42 CET 2016
In many older QuickTime files, the audio format, or "fourcc", is
0x00000000 (AV_CODEC_ID_NONE). The QuickTime File Format Specification
states the following regarding this situation:
"This format descriptor should not be used, but may be found in some
files. Samples are assumed to be stored in either 'raw ' or 'twos'
format, depending on the sample size field in the sound description."
MPlayer handles this logic by itself, but FFmpeg/FFplay currently does
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