[FFmpeg-devel] [PATCH] h264 bitstream filter
Benoit Fouet
benoit.fouet
Wed Sep 5 21:04:18 CEST 2007
M?ns Rullg?rd wrote:
> Benoit Fouet <benoit.fouet at purplelabs.com> writes:
>
>
>> Michael Niedermayer wrote:
>>
>>> patch ok if it works
>>>
>>> [...]
>>>
>>>
>> i have one remaining question: should mp4 files contain AUD nal units
>> too or have i missed something (again :) ) ?
>> if i'm right, it seems that our muxer doesn't handle it, as i don't get
>> the aud frames...
>> if i'm wrong, i'll have to add the aud in the filter too.
>>
>
> AUD (Access Unit Delimiter) is an optional NAL unit with the sole
> purpose of marking the start of a new frame (access unit). There
> would be no sense in using it in formats like mp4 that signal frame
> boundaries by other means.
>
so, it isn't necessary to add AUD to the "reconstructed" data flow neither ?
Ben
More information about the ffmpeg-devel
mailing list