[FFmpeg-devel] [PATCH] stop av_find_stream_info per packet dts

[Michael Niedermayer]

On Sat, Mar 14, 2009 at 08:25:25PM -0700, Baptiste Coudurier wrote:
> Hi
> 
> It seems stopping av_find_stream_info by packet duration causes a
> problem when a packet with long duration (still image, sub) is very long.
> 
> Scenario:
> 1 video stream containing a single image with very long duration
> 1 video stream cfr.
> 
> Demuxing will happen in this order since dts are in this order.
> 
> av_find_stream_info will stop after the single image, while the next
> packet dts will still be < max analyze duration.
> 
> I'd like your opinion on this I don't know if this might have side effects.

i think the idea is good but dts might not start at 0 (cut mpeg-ps/ts being
an example)
also before you write a patch that sums dts differences, this can break
with timestamp discontinuities.
maybe something like using the previous sum of durations for each stream
instead of the latest?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I have often repented speaking, but never of holding my tongue.
-- Xenocrates
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