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160 Commits

Author SHA1 Message Date
Michael Niedermayer
8a69f2602f avcodec/dvbsubdec: Check entry_id 
Fixes: randomly writing over the array end
Fixes: 1473/clusterfuzz-testcase-minimized-5768907824562176

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-11 15:51:08 +02:00
Michael Niedermayer
0075d9eced avcodec/dvbsubdec: check region dimensions 
Fixes: 1408/clusterfuzz-testcase-minimized-6529985844084736
Fixes: integer overflow

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-08 15:28:26 +02:00
Michael Niedermayer
b02027c79d avcodec/dvbsubdec: Replace fprintf(stderr) by av_log() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-04-05 23:57:08 +02:00
Clément Bœsch
7650bccdb1 Merge commit 'b34c6cd57a2e8aad5f773aea933f77883de320ec' 
* commit 'b34c6cd57a2e8aad5f773aea933f77883de320ec':
  dvbsub: cosmetics: Group all debug code together

Merged-by: Clément Bœsch <u@pkh.me>
 2017-04-03 21:02:54 +02:00
Clément Bœsch
9f7ba0ac9d Merge commit 'b8cd7a3c8df2c3aac8d7a0b5a02d83caf61bd769' 
* commit 'b8cd7a3c8df2c3aac8d7a0b5a02d83caf61bd769':
  dvbsub: Check for errors from system()

printf(...) replaced with fprintf(stderr, ...) for logging errors.

Merged-by: Clément Bœsch <u@pkh.me>
 2017-04-03 21:01:40 +02:00
Clément Bœsch
ff66ba6feb Merge commit '7effebde78977fafce935776153ea2f7c0981fa3' 
* commit '7effebde78977fafce935776153ea2f7c0981fa3':
  dvbsubdec: Remove disabled, near-duplicate debug code

Merged-by: Clément Bœsch <u@pkh.me>
 2017-03-19 16:10:17 +01:00
Diego Biurrun
b34c6cd57a dvbsub: cosmetics: Group all debug code together 2016-11-23 07:40:46 +01:00
Diego Biurrun
b8cd7a3c8d dvbsub: Check for errors from system() 
libavcodec/dvbsubdec.c:145:5: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result]
libavcodec/dvbsubdec.c:148:5: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result]
 2016-11-23 07:36:32 +01:00
Andreas Cadhalpun
c82b8ef0e4 dvbsubdec: fix division by zero in compute_default_clut 
This problem was introduced in commit
4b90dcb849.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
 2016-11-10 21:01:59 +01:00
Diego Biurrun
7effebde78 dvbsubdec: Remove disabled, near-duplicate debug code 2016-08-17 12:16:42 +02:00
Diego Biurrun
e723dce6f8 dvbsubdec: Use NULL instead of 0 as pointer value 2016-08-03 08:26:40 +02:00
Clément Bœsch
a4403e49b9 Merge commit 'b7e64fba7f37cc0399beae844f0a5dbef9219376' 
* commit 'b7e64fba7f37cc0399beae844f0a5dbef9219376':
  Reduce the scope of some variables

Merged-by: Clément Bœsch <u@pkh.me>
 2016-06-21 22:40:56 +02:00
Diego Biurrun
b7e64fba7f Reduce the scope of some variables 
This avoids unused variable warnings after the next version bump.
Also drop a trace level av_log() call that is in the way.
 2016-05-11 12:21:25 +02:00
Clément Bœsch
fb99ef0bd3 avcodec: use AV_OPT_TYPE_BOOL in a bunch of places 2015-12-04 15:37:05 +01:00
Hendrik Leppkes
ee573b4d31 Merge commit 'a17a7661906ba295d67afd80ac0770422e1b02b3' 
* commit 'a17a7661906ba295d67afd80ac0770422e1b02b3':
  lavc: Add data and linesize to AVSubtitleRect

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
 2015-10-22 21:41:53 +02:00
Vittorio Giovara
a17a766190 lavc: Add data and linesize to AVSubtitleRect 
Use the new fields directly instead of the ones from AVPicture.
This removes a layer of indirection which serves no pratical purpose
whatsoever, and will help in removing AVPicture structure completely
later.

Every subtitle encoder/decoder seamlessly points to the new arrays,
so it is possible to deprecate AVSubtitleRect.pict.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-10-21 12:02:29 +02:00
Hendrik Leppkes
fbd71bba85 Merge commit '1da2a20763ae9ca579d5fd20763065871ddf6311' 
* commit '1da2a20763ae9ca579d5fd20763065871ddf6311':
  dvbsubdec: Fix function return type

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
 2015-10-05 11:25:40 +02:00
Vittorio Giovara
1da2a20763 dvbsubdec: Fix function return type 2015-10-04 13:07:12 +02:00
Ronald S. Bultje
6471040f56 FF_OPT_TYPE_* -> AV_OPT_TYPE_*. 2015-08-18 11:48:49 -04:00
Michael Niedermayer
d21ab8e411 avcodec/dvbsubdec: Print field lens in case they are too lerge 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-08-13 01:50:08 +02:00
Carl Eugen Hoyos
daf2c35f52 lavc: Remove newline from avpriv_request_sample() calls. 2015-08-11 22:50:45 +02:00
Michael Niedermayer
e5774f28d1 avcodec/dvbsubdec: Do not stop decoding at a invalid depth 
This corrects parsing the later elements

Fixes Ticket4754

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-08-05 00:16:43 +02:00
Carl Eugen Hoyos
087c0a0a93 lavc/dvbsub: Do not fail on clut depth 0. 
Fixes ticket #4752.
 2015-08-04 15:01:22 +02:00
Michael Niedermayer
3f87a17063 avcodec/dvbsubdec: Allow selecting the substream, or all substreams 
Fixes Ticket 2161

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-08-04 14:24:13 +02:00
Michael Niedermayer
1fc20af6af avcodec/dvbsubdec: Implement display definition segment fallback from ETSI EN 300 743 V1.3.1 
Fixes: subtitles.ts
Fixes: Ticket679

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-29 18:02:07 +02:00
Michael Niedermayer
d41dceb14e avcodec/dvbsubdec: Add option to select when to computer clut (always/never/"if needed") 
Reviewed-by: Anshul <anshul.ffmpeg@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-27 00:02:48 +02:00
Michael Niedermayer
4b90dcb849 avcodec/dvbsubdec: Compute default CLUT based on bitmap analysis 
Fixes displaying subtitles before any CLUT has been received
Fixes Ticket153

This will of course not display these initial subtitles in the correct
color (as that is not known at that point) but they should look clean
and not corrupted

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-26 14:39:55 +02:00
banastasov
debf4d6e67 avcodec/dvbsubdec: Fix buf_size check in dvbsub_parse_display_definition_segment() 
Fixes Ticket4326

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-05-30 04:29:58 +02:00
Michael Niedermayer
9f0b898e82 avcodec/dvbsubdec: Clear w/h/size on region buffer allocation failure 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-05-14 23:25:39 +02:00
Michael Niedermayer
e06dde52d7 avcodec/dvbsubdec: Do not return a value from a function returning void 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-26 13:47:12 +02:00
Michael Niedermayer
8f7b022c8c Merge commit '6a85dfc830f51f1f5c2d36d4182d265c1ea3ba25' 
* commit '6a85dfc830f51f1f5c2d36d4182d265c1ea3ba25':
  lavc: Replace av_dlog and tprintf with internal macros

Conflicts:
	libavcodec/aacdec.c
	libavcodec/audio_frame_queue.c
	libavcodec/bitstream.c
	libavcodec/dcadec.c
	libavcodec/dnxhddec.c
	libavcodec/dvbsubdec.c
	libavcodec/dvdec.c
	libavcodec/dvdsubdec.c
	libavcodec/get_bits.h
	libavcodec/gifdec.c
	libavcodec/h264.h
	libavcodec/h264_cabac.c
	libavcodec/h264_cavlc.c
	libavcodec/h264_loopfilter.c
	libavcodec/h264_refs.c
	libavcodec/imc.c
	libavcodec/interplayvideo.c
	libavcodec/jpeglsdec.c
	libavcodec/libopencore-amr.c
	libavcodec/mjpegdec.c
	libavcodec/mpeg12dec.c
	libavcodec/mpegvideo_enc.c
	libavcodec/mpegvideo_parser.c
	libavcodec/pngdec.c
	libavcodec/ratecontrol.c
	libavcodec/rv10.c
	libavcodec/svq1dec.c
	libavcodec/vqavideo.c
	libavcodec/wmadec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-20 04:10:10 +02:00
Vittorio Giovara
6a85dfc830 lavc: Replace av_dlog and tprintf with internal macros 2015-04-19 12:41:59 +01:00
Michael Niedermayer
c5b6b711b2 Merge commit '607ad990d31e6be52980970e5ce8cd25ab3de812' 
* commit '607ad990d31e6be52980970e5ce8cd25ab3de812':
  dvbsubdec: check memory allocations and propagate errors

Conflicts:
	libavcodec/dvbsubdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-01-27 20:25:40 +01:00
Vittorio Giovara
607ad990d3 dvbsubdec: check memory allocations and propagate errors 2015-01-27 15:26:37 +00:00
Michael Niedermayer
8de0990e9f avcodec/dvbsubdec: Check get_region() return value 
Fixes null pointer dereference with DEBUG enabled

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-01-17 16:33:02 +01:00
Michael Niedermayer
1bf747ae84 avcodec/dvbsubdec: Return proper error codes from more functions 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-01-10 19:24:27 +01:00
Michael Niedermayer
ebe3a41ea3 avcodec/dvbsubdec: Add some av_malloc() failure checks 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-01-10 19:21:58 +01:00
Michael Niedermayer
ce800d4695 avcodec/dvbsubdec: Remove redundant "DVBSub error" prefix 
Found-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-12-06 02:03:08 +01:00
Michael Niedermayer
4ba0141921 avcodec/dvbsubdec: Pass context to av_log() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-12-05 20:33:57 +01:00
Michael Niedermayer
d03867c248 avcodec/dvbsubdec: av_assert* instead of assert() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-12 20:08:24 +01:00
Michael Niedermayer
39dfe6801a avcodec/dvbsubdec: Cleanup on *malloc failure 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-12 17:54:52 +01:00
Michael Niedermayer
287eb69973 Merge commit '443502aed8b814d883825e52e91e4f018955aa66' 
* commit '443502aed8b814d883825e52e91e4f018955aa66':
  dvbsubdec: move shared codepath

Conflicts:
	libavcodec/dvbsubdec.c

The merged code is ignored and the factorization redone with
the code that is in FFmpeg.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-11 23:08:55 +01:00
Michael Niedermayer
e0c36f5825 avcodec/dvbsubdec: Fix 8bit non_mod case 
Untested, i failed to find a sample which triggers this case

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-11 22:57:01 +01:00
Michael Niedermayer
2813dabdd4 avcodec/dvbsubdec: use av_freep() for saftey 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-11 22:20:20 +01:00
Michael Niedermayer
4809ac75fc Merge commit '2383323661f3b8342b2c4d356fcfe8c5d1b045f8' 
* commit '2383323661f3b8342b2c4d356fcfe8c5d1b045f8':
  dvbsubdec: improve error checking

Conflicts:
	libavcodec/dvbsubdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-11 22:19:54 +01:00
Michael Niedermayer
6229f7823e avcodec/dvbsubdec: Add return code to save_subtitle_set() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-11 22:15:14 +01:00
Vittorio Giovara
443502aed8 dvbsubdec: move shared codepath 
CC: libav-stable@libav.org
Bug-Id: CID 1238839
 2014-11-11 11:49:54 +01:00
Vittorio Giovara
2383323661 dvbsubdec: improve error checking 
Use av_mallocz_array instead of iterating and check the returned memory.
Check returned memory and cleanly exit in case of error during the loop.
Avoid a null pointer dereference for invalid data.

CC: libav-stable@libav.org
Bug-Id: CID 29575
 2014-11-11 11:49:54 +01:00
Jernej Fijačko
1bdd21d975 dvbsubdec: add missing break 
Fix a memory leak too.

CC: libav-stable@libav.org
Bug-Id: CID 732230
 2014-11-11 11:49:54 +01:00
Michael Niedermayer
adfc3b81b1 avcodec/dvbsubdec: use av_freep() to avoid leaving stale pointers 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-30 23:29:33 +01:00