[FFmpeg-devel] [PATCH 2/2] avformat: add mapping for AC-4 in MP4

Paul B Mahol onemda at gmail.com
Sun Feb 17 23:14:01 EET 2019


On 2/17/19, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> 2019-02-17 21:50 GMT+01:00, Paul B Mahol <onemda at gmail.com>:
>> On 2/17/19, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>>> 2019-02-17 21:25 GMT+01:00, Paul B Mahol <onemda at gmail.com>:
>>>> Signed-off-by: Paul B Mahol <onemda at gmail.com>
>>>> ---
>>>>  libavformat/isom.c | 1 +
>>>>  1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/libavformat/isom.c b/libavformat/isom.c
>>>> index 0a4d901be5..0052db539e 100644
>>>> --- a/libavformat/isom.c
>>>> +++ b/libavformat/isom.c
>>>
>>>> +    { AV_CODEC_ID_AC4,             MKTAG('a', 'c', '-', '4') },
>>>> /* ETSI TS 103 190 */
>>>
>>> Are there no codec-specific atoms needed when remuxing ac-4?
>>
>> They are completely optional and not needed for decoding or remuxing.
>
> Thank you for the explanation!
> Do we already have samples?
>

http://testassets.dashif.org/#feature/details/586fb3879ae9045678eab593


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