[FFmpeg-devel] [PATCH] Copy width/height for subtitle streams in ffmpeg
Sun Jan 18 00:44:11 CET 2009
On Sat, Jan 17, 2009 at 12:22:06PM -0800, Baptiste Coudurier wrote:
> David Conrad wrote:
> > On Jan 11, 2009, at 4:44 AM, Michael Niedermayer wrote:
> >> On Sun, Jan 11, 2009 at 02:12:31AM -0500, David Conrad wrote:
> >>> Hi,
> >>> This copies stream width/height for -scodec copy in ffmpeg,
> >>> useful for mov/mp4 timed text and ignored for about every other
> >>> subtitle codec.
> >>> commit 60039bb8c900ef4562e9ea4d5f9b0de2bdfa713f Author: David
> >>> Conrad <davedc at Kozue.local> Date: Sun Jan 11 02:10:22 2009
> >>> -0500
> >>> Copy width/height for subtitle streams
> >> what does width/height mean for these subtitles?
> > Essentially, the same thing it would mean if you consider the
> > subtitles a transparent video track overlaid on top of the normal
> > video track.
> > For example, if you have a video 320x240 and subs 320x120, the subs
> > would be on the top half of the video even if the actual positioning
> > of the subs is aligned with the bottom.
> > Or if you had subs 320x320, the subs could be underneath the actual
> > video.
> Would it be possible to apply this patch ? Indeed it is very useful to
> be able to scopy subs track from m4v/mov to m4v/mov.
Ive no objections to the patch, i just was not sure if w/h or extradata
was better way but considering i still dont know which is better lets
apply the patch.
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Those who are too smart to engage in politics are punished by being
governed by those who are dumber. -- Plato
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