[FFmpeg-devel] [PATCH v2] lavf/mov: Audio and AV_CODEC_ID_NONE
matsp888 at yahoo.com
Tue Jan 5 07:09:14 CET 2016
On 01/05/2016 07:05 AM, Ganesh Ajjanagadde wrote:
> On Mon, Jan 4, 2016 at 9:45 PM, Mats Peterson
> <matsp888-at-yahoo.com at ffmpeg.org> wrote:
>> Simplified the patch somewhat. Description follows:
>> 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
>> Mats Peterson
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
> One tip for you that is very helpful for reviewers: suffix [PATCH] by
> a version, like [PATCHv2], [PATCHv3], etc. It helps them in keeping
> track of the proposal. Thanks.
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
Already done. Look at the subject.
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