[FFmpeg-devel] [PATCH v2] lavf/mov: Audio and AV_CODEC_ID_NONE
gajjanag at mit.edu
Tue Jan 5 07:16:19 CET 2016
On Mon, Jan 4, 2016 at 10:09 PM, Mats Peterson
<matsp888-at-yahoo.com at ffmpeg.org> wrote:
> 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.
Sorry, my gmail webmail does not seem to handle this correctly.
> Mats Peterson
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
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