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32 Commits

Author SHA1 Message Date
Michael Niedermayer
fe9c23bebb avcodec/fic: Avoid some magic numbers related to cursors 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6a11714c4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-10-23 01:44:40 +02:00
Michael Niedermayer
1747563cea avcodec/fic: Check available input space for cursor 
Fixes: out of array read
Fixes: 6546/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FIC_fuzzer-6317064647081984

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cb2f7ea96b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-10-23 01:44:40 +02:00
Michael Niedermayer
689e97fcad avcodec/fic: Fixes signed integer overflow 
Fixes: runtime error: signed integer overflow: 1037142357 + 1227025305 cannot be represented in type 'int'
Fixes: 3024/clusterfuzz-testcase-minimized-5885660323905536

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0c9d5b015c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-08-21 23:27:08 +02:00
Michael Niedermayer
1de61c6b01 avcodec/fic: Fix multiple runtime error: signed integer overflow: 5793 * 419752 cannot be represented in type 'int' 
Fixes: 1669/clusterfuzz-testcase-minimized-5287529198649344

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a173f484b5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-18 18:11:25 +02:00
Michael Niedermayer
903c4b2c3c avcodec/fic: Fix multiple left shift of negative value -15 
Fixes: 1356/clusterfuzz-testcase-minimized-6008489086287872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b20c71409b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-17 20:35:19 +02:00
Clément Bœsch
fb99ef0bd3 avcodec: use AV_OPT_TYPE_BOOL in a bunch of places 2015-12-04 15:37:05 +01:00
Michael Niedermayer
444e9874a7 Merge commit 'def97856de6021965db86c25a732d78689bd6bb0' 
* commit 'def97856de6021965db86c25a732d78689bd6bb0':
  lavc: AV-prefix all codec capabilities

Conflicts:
	cmdutils.c
	ffmpeg.c
	ffplay.c
	libavcodec/8svx.c
	libavcodec/aacenc.c
	libavcodec/ac3dec.c
	libavcodec/adpcm.c
	libavcodec/alac.c
	libavcodec/atrac3plusdec.c
	libavcodec/bink.c
	libavcodec/dnxhddec.c
	libavcodec/dvdec.c
	libavcodec/dvenc.c
	libavcodec/ffv1dec.c
	libavcodec/ffv1enc.c
	libavcodec/fic.c
	libavcodec/flacdec.c
	libavcodec/flacenc.c
	libavcodec/flvdec.c
	libavcodec/fraps.c
	libavcodec/frwu.c
	libavcodec/gifdec.c
	libavcodec/h261dec.c
	libavcodec/hevc.c
	libavcodec/iff.c
	libavcodec/imc.c
	libavcodec/libopenjpegdec.c
	libavcodec/libvo-aacenc.c
	libavcodec/libvorbisenc.c
	libavcodec/libvpxdec.c
	libavcodec/libvpxenc.c
	libavcodec/libx264.c
	libavcodec/mjpegbdec.c
	libavcodec/mjpegdec.c
	libavcodec/mpegaudiodec_float.c
	libavcodec/msmpeg4dec.c
	libavcodec/mxpegdec.c
	libavcodec/nvenc_h264.c
	libavcodec/nvenc_hevc.c
	libavcodec/pngdec.c
	libavcodec/qpeg.c
	libavcodec/ra288.c
	libavcodec/rv10.c
	libavcodec/s302m.c
	libavcodec/sp5xdec.c
	libavcodec/takdec.c
	libavcodec/tiff.c
	libavcodec/tta.c
	libavcodec/utils.c
	libavcodec/v210dec.c
	libavcodec/vp6.c
	libavcodec/vp9.c
	libavcodec/wavpack.c
	libavcodec/yop.c

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-27 22:50:18 +02:00
Vittorio Giovara
def97856de lavc: AV-prefix all codec capabilities 
Express bitfields more simply.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-07-27 15:24:58 +01:00
Michael Niedermayer
d277b05c51 avcodec/fic: Add skip_cursor AVOption 
Previous version reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-06-19 13:57:36 +02:00
Paul B Mahol
392d975efe avcodec: fix clobbered ff_get_buffer() 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-02-10 14:20:32 +00:00
Carl Eugen Hoyos
d457478fb0 Silence warnings for fic files with zero-sized cursors. 
Fixes ticket #4072.
 2014-11-03 00:43:08 +01:00
Michael Niedermayer
1b5ec6a0c3 avcodec/fic: Check if a frame is available before using it 
Fixes null pointer dereference
Fixes: ficvf.avi
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-22 02:22:31 +02:00
Michael Niedermayer
23cd5cb18f avcodec/fic: avoid 2 additions per idct row 
before:
5225 decicycles in IDCT, 32756 runs, 12 skips

after:
5057 decicycles in IDCT, 32765 runs, 3 skips

Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-23 22:34:31 +02:00
Derek Buitenhuis
14da7f9eb7 fic: Support rendering cursors 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-23 13:31:22 -04:00
Derek Buitenhuis
d7eb8f9033 fic: Make warning message more accurate 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-23 17:53:00 +01:00
Derek Buitenhuis
7596fc3d4b fic: Remove redundant clips 
The equations can't overflow or underflow anyway.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-23 12:40:39 -04:00
Derek Buitenhuis
e299cb2cd3 fic: Simplify alpha blending 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-22 17:51:43 -04:00
Derek Buitenhuis
6d149d2818 fic: Use proper quantization matrix index 
The matrices are not zigzagged.

Fixes artefacting.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-22 16:22:08 -04:00
Derek Buitenhuis
9155c595f1 fic: Support rendering cursors 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-22 21:20:23 +01:00
Derek Buitenhuis
40b331e1f4 fic: Use proper quantization matrix index 
The matrices are not zigzagged.

Fixes artefacting.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-22 21:20:23 +01:00
Michael Niedermayer
6f243b17c5 avcodec/fic: Fix return value check 
Fixes part of Ticket3466
Found-by: Andrey_Karpov / PVS-Studio
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-21 14:56:17 -04:00
Michael Niedermayer
144f7a561d avcodec/fic: clear slice_data 
Fixes artifacts
Fixes use of freed memory

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-21 14:56:17 -04:00
Michael Niedermayer
f34d3173fc avcodec/fic: fix slice checks 
fix integer overflows

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-21 14:56:17 -04:00
Michael Niedermayer
451c78740a Merge commit '93e15a323871613fd26f1f1e317029a50b5b24ca' 
* commit '93e15a323871613fd26f1f1e317029a50b5b24ca':
  fic: use correct IDCT

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-21 20:20:39 +02:00
Kostya Shishkov
93e15a3238 fic: use correct IDCT 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-21 12:37:54 -04:00
Michael Niedermayer
230db1426d avcodec/fic: Fix return value check 
Fixes part of Ticket3466
Found-by: Andrey_Karpov / PVS-Studio
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-16 02:32:37 +02:00
Michael Niedermayer
6eb08783a9 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  fic: Properly handle skip frames

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-08 00:21:22 +01:00
Derek Buitenhuis
f87a6e500b fic: Properly handle skip frames 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-03-07 14:54:33 +00:00
Michael Niedermayer
1db8bc5648 avcodec/fic: clear slice_data 
Fixes artifacts
Fixes use of freed memory

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-15 17:19:59 +01:00
Michael Niedermayer
d46ef40129 avcodec/fic: fix slice checks 
fix integer overflows

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-15 17:19:32 +01:00
Michael Niedermayer
0c4bf87b29 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  Mirillis FIC video decoder

Conflicts:
	Changelog
	configure
	libavcodec/Makefile
	libavcodec/avcodec.h
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-08 19:02:46 +01:00
Kostya Shishkov
cde7df25ef Mirillis FIC video decoder 
Does not contain cursor rendering yet.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-02-08 15:04:13 +00:00