[FFmpeg-devel] [PATCH v2] lavf/matroskadec: A_QUICKTIME and AV_CODEC_ID_NONE

Mats Peterson matsp888 at yahoo.com
Thu Jan 7 04:13:45 CET 2016


On 01/07/2016 04:13 AM, Mats Peterson wrote:
> On 01/04/2016 10:49 PM, Mats Peterson wrote:
>> 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
>> not.
>>
>> Mats
>>
>>
>>
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
>> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
>
> Michael?
>

No, not this one. Forget it.

-- 
Mats Peterson
http://matsp888.no-ip.org/~mats/


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