[FFmpeg-devel] [PATCH] libavdevice: JACK demuxer

Olivier Guilyardi list
Fri Feb 27 21:29:32 CET 2009

Luca Abeni wrote:
> Hi,
> I do not comment on the rest of the patch (yet :), but:
> Reimar D?ffinger wrote:
> [...]
>>> +            info.pts = av_gettime() - (latency + cycle_delay) * self->frame_ms;
>> The system time should not be stored anywhere without explicit
>> permission from the user, particularly not as an absolute value.
> This is needed for synchronising the audio with video or other media 
> coming from other devices. If it really is a security issue (but in this
> case I do not believe it is) maybe the usual "round the time to ms" can 
> be a solution?

I have a simple question here: must the pts be absolute (number of seconds since
 the epoch) or can it be relative (for example 0 for the first audio sample).
Luca you already told me it must be absolute, but I still have doubts about this.


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