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18 Commits

Author SHA1 Message Date
Michael Niedermayer 92b1949191 avformat/sccdec: Use larger intermediate for ts/next_ts computation 
Fixes: signed integer overflow: 92237203 * 33 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_SCC_fuzzer-6603769487949824

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 13:12:12 +01:00
Andreas Rheinhardt 05475ad26b avformat/sccdec: Avoid variable that is always zero 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 2020-06-22 13:17:02 +02:00
Paul B Mahol b52ca2cec2 avformat/sccdec: make splitting more robust 2020-06-18 21:28:09 +02:00
Paul B Mahol 5422a4a7c5 avformat/sccdec: simplify demuxer a little 2020-06-17 00:38:08 +02:00
Paul B Mahol 6c84f8afae avformat/sccdec: unbreak previous commits to this file 2020-06-15 19:27:20 +02:00
Andreas Rheinhardt f3c63e67bb avformat/sccdec: Fix memleak upon read header failure 
The already parsed subtitles (contained in an FFDemuxSubtitlesQueue)
would leak if an error happened upon reading a subsequent subtitle.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 2020-06-15 16:54:06 +02:00
Paul B Mahol 416dc133b9 avformat/sccdec: move pos variables outside of loop 
Ensures that sub->pos is always correct.
 2020-06-13 12:26:00 +02:00
Paul B Mahol 49d07642f3 avformat/sccdec: split line with multiple subs 2020-06-13 00:20:55 +02:00
Paul B Mahol a15618d2c3 avformat/sccdec: use av_sscanf() instead 2020-02-04 20:39:46 +01:00
Paul B Mahol a13af9aee1 avformat/sccdec: only change duration for last subtitle 2019-12-23 22:47:27 +01:00
Paul B Mahol 13bffa7969 avformat/sccdec: fix sub->pos values 2019-12-23 22:39:46 +01:00
Paul B Mahol 9da7536ce2 avformat/sccdec: fix timestamp of last subtitle 
Fixes -c:s copy case.
 2019-12-23 22:16:25 +01:00
Paul B Mahol de125a0942 avformat/sccdec: remove not needed code 2019-09-13 19:47:03 +02:00
Paul B Mahol 2b15d436db avformat/sccdec: display last caption even when there is no empty last line 2019-06-27 20:20:16 +02:00
Carl Eugen Hoyos 4d8875ec23 lavf: Constify the probe function argument. 
Reviewed-by: Lauri Kasanen
Reviewed-by: Tomas Härdin
 2019-03-21 11:42:17 +01:00
Paul B Mahol 76331361a5 avformat/sccdec: simplify 2 sscanf calls 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-01-30 11:00:58 +01:00
Paul B Mahol 4cfa1f80a9 avformat/sccdec: attempt to fix valgrind issue 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-01-28 17:23:31 +01:00
Paul B Mahol 45ff6ef50e avformat: add Scenarist Closed Captions demuxer 
Fixes #4767.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-01-25 12:00:02 +01:00