[FFmpeg-devel] [PATCH] shortcut av_find_stream_info for flvdec
Wed Apr 21 23:50:57 CEST 2010
On Wed, Apr 21, 2010 at 11:41:06PM +0200, Michael Niedermayer wrote:
> On Wed, Apr 21, 2010 at 01:32:07PM -0700, Howard Chu wrote:
> > Michael Niedermayer wrote:
> >> On Wed, Apr 21, 2010 at 12:51:37AM -0700, Howard Chu wrote:
> >>> This patch pulls more codec parameters out of the FLV metadata. It cuts
> >>> the
> >>> number of packets needed in av_find_stream_info() from ~60 down to just
> >>> 2.
> >> this patch reverts bugfixes, and introduces more bugs then there where
> >> see r19362 and issue977
> >> PS: maybe we should add te file from issue977 to fate ...
> > Bummer. Thanks for the references.
> > Can someone comment on why tb_unreliable() says the H264 codec timebase is
> > unreliable?
> i would guess telecine but there might have been other things i am just
> missing atm
> > If it has a variable frame rate, how does checking the first 20
> > frames tell you any more about it than just the first 2 frames?
> checking more frames will give a more accurate estimate, its still an
> estimate though
btw some means to allow a user app to specify which things it needs and which
not (like the r_frame_rate) would be welcome
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
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even the very wise cannot see all ends. -- Gandalf
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