On Wed, May 31, 2023 at 02:26:11PM +0000, Anton Khirnov wrote: > ffmpeg | branch: master | Anton Khirnov <an...@khirnov.net> | Tue May 23 > 22:54:23 2023 +0200| [20cacfe4936a8d5b643421b5ca93bb098f6b76dd] | committer: > Anton Khirnov > > fftools/ffmpeg: rework setting sub2video parameters > > Set them in ifilter_parameters_from_dec(), similarly to audio/video > streams. This reduces the extent to which sub2video filters need to be > treated specially. > > > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=20cacfe4936a8d5b643421b5ca93bb098f6b76dd > --- > > fftools/ffmpeg.c | 6 ++--- > fftools/ffmpeg_demux.c | 21 ++++++++++++++++++ > fftools/ffmpeg_filter.c | 58 > +++++++++++++++---------------------------------- > 3 files changed, 41 insertions(+), 44 deletions(-)
This breaks subtitle location and size ./ffmpeg -i ~/tickets/4752/dump_dvbsubtitles.mp4 -y -ss 5 -t 1 -filter_complex '[0:v][0:s]overlay' /tmp/file4752.ts && ffplay /tmp/file4752.ts https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket4752/dump_dvbsubtitles.mp4 Before this commit the subtitles are centered at the bottom of the screen after this patch the subtitles are tiny in the left middle of the screen In the following case the subtitles disappear completely: ./ffmpeg -i ~/tickets/679/subtitles.ts -filter_complex '[0:v][0:s:0]overlay[vid]' -map '[vid]' -bitexact -t 3 file-4744-3.avi https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket4744/subtitles.ts [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Dictatorship naturally arises out of democracy, and the most aggravated form of tyranny and slavery out of the most extreme liberty. -- Plato
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