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495 Commits

Author SHA1 Message Date
Michael Niedermayer
1a022c66c8 avcodec/mjpegdec: Check for non ls PAL8 
Fixes: Null-dereference READ in av_malloc
Fixes: 15002/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5643474625363968

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 442375fee7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
e1f40f0dae avcodec/mjpegdec: Fix indention of ljpeg_decode_yuv_scan() 
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ea30ac1e40)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-01-21 07:53:26 +01:00
Carl Eugen Hoyos
e90d4e9272 lavc/mjpegdec: Support 2:3 subsampling. 
Fixes ticket #7495.
 2018-10-18 00:25:16 +02:00
Michael Niedermayer
09f0429b99 avcodec/mjpegdec: simplify rgb index remaping 2018-09-12 00:52:01 +02:00
Michael Niedermayer
ee1e3ca5eb avcodec/mjpegdec: Check for odd progressive RGB 
Fixes: out of array access
Fixes: 9225/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-5684770334834688

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 00:55:49 +02:00
Michael Niedermayer
540e8c2d64 avcodec/mjpegdec: Check for end of bitstream in ljpeg_decode_rgb_scan() 
Fixes: Timeout
Fixes: 8648/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5108395525799936

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-06-23 01:06:29 +02:00
Michael Niedermayer
936f4a2c2e avcodec/mjpegdec: Fix integer overflow in ljpeg_decode_rgb_scan() 
Fixes: signed integer overflow: 32768 + 2147450880 cannot be represented in type 'int'
Fixes: 7885/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5298834394578944

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-06-06 16:58:08 +02:00
Michael Niedermayer
8d381b57fd avcodec/mjpegdec: Check input buffer size. 
Fixes: Timeout
Fixes: 6381/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-5665032743419904

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-04-12 23:52:59 +02:00
Philip Langdale
cd98f20b4a avcodec/nvdec: Implement mjpeg nvdec hwaccel 2018-02-21 23:38:42 +00:00
Mark Thompson
63c690ad15 vaapi: Add MJPEG decode hwaccel 2018-02-21 23:38:30 +00:00
Mark Thompson
6c0bfa30c0 mjpegdec: Add hwaccel hooks 
Also adds some extra fields to the main context structure that may
be needed by a hwaccel decoder.
 2018-02-21 23:38:10 +00:00
Mark Thompson
9ca79784e9 lavc/mjpeg: Add profiles for MJPEG using SOF marker codes 
This is needed by later hwaccel code to tell which encoding process was
used for a particular frame, because hardware decoders may only support a
subset of possible methods.
 2018-02-21 23:37:58 +00:00
Michael Niedermayer
1bfc1aa004 avcodec/mjpegdec: Fix integer overflow in DC dequantization 
Fixes: runtime error: signed integer overflow: -65535 * 65312 cannot be represented in type 'int'
Fixes: 4900/clusterfuzz-testcase-minimized-5769019744321536

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-27 04:29:30 +01:00
Martin Vignali
4ada428aae avcodec: remove remaining uses of avcodec_get_chroma_sub_sample 
Replace them with av_pix_fmt_get_chroma_sub_sample.

Signed-off-by: James Almer <jamrial@gmail.com>
 2017-11-06 19:13:03 -03:00
James Almer
ae100046ca avcodec/exif: remove GetByteContext usage from avpriv_exif_decode_ifd() 
This prevents potential ABI issues with GetByteContext.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2017-10-26 00:45:49 -03:00
Derek Buitenhuis
9e02f35f6a mjpeg: Add support for ICC side data 
JPEGs store embedded profiles under the APP2 marker, signified
with a "ICC_PROFILE" null-terminated string header, and can be
split across multiple APP2 markers, out of order.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2017-08-25 13:44:41 +01:00
Michael Niedermayer
c28f648b19 avcodec/mjpegdec: Clip DC also on the negative side. 
Fixes: runtime error: signed integer overflow: -16711425 + -2130772346 cannot be represented in type 'int'
Fixes: 2533/clusterfuzz-testcase-minimized-5372857678823424

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-07-12 16:32:27 +02:00
Michael Niedermayer
4705edbbb9 avcodec/mjpegdec: Check that reference frame matches the current frame 
Fixes: out of array read
Fixes: 2097/clusterfuzz-testcase-minimized-5036861833609216

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-05 22:43:23 +02:00
Michael Niedermayer
40fa6a2fa2 avcodec/mjpegdec: Fix runtime error: signed integer overflow: -32767 * 130560 cannot be represented in type 'int' 
Fixes: 1724/clusterfuzz-testcase-minimized-4842395432648704

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-22 02:16:39 +02:00
Michael Niedermayer
a78ae465fd avcodec/mjpegdec: Fix runtime error: signed integer overflow: -24543 * 2031616 cannot be represented in type 'int' 
Fixes: 943/clusterfuzz-testcase-5114865297391616

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-04 20:42:54 +02:00
Muhammad Faiz
31f61b0d4f avcodec: do not use AVFrame accessor 
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
 2017-04-23 14:27:47 +07:00
Clément Bœsch
8d94d9798a lavc/mjpegdec: allow failure while decoding APP 
Fix decoding frame.jpg from ticket #267

Regression since 9c7ee3749 / 212c6a1d7
 2017-04-07 18:05:20 +02:00
Clément Bœsch
9c7ee37490 Merge commit '212c6a1d70df011b6f2a2aa02f7677503287bd00' 
* commit '212c6a1d70df011b6f2a2aa02f7677503287bd00':
  mjpegdec: Check return values of functions that may fail

Merged-by: Clément Bœsch <u@pkh.me>
 2017-04-07 10:17:53 +02:00
Clément Bœsch
e3287077ec Merge commit '67deba8a416d818f3d95aef0aa916589090396e2' 
* commit '67deba8a416d818f3d95aef0aa916589090396e2':
  Use avpriv_report_missing_feature() where appropriate

Merged-by: Clément Bœsch <cboesch@gopro.com>
 2017-03-31 10:40:34 +02:00
Clément Bœsch
67e370ee52 lavc: fix usages of av_get_codec_tag_string() 2017-03-29 14:49:29 +02:00
Michael Niedermayer
23f3f92361 avcodec/mjpegdec: quant_matrixes can be up to 65535, use uint16_t 
Fixes invalid shift
Fixes: 870/clusterfuzz-testcase-5649105424482304

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-20 01:38:04 +01:00
Michael Niedermayer
656a17e126 avcodec/mjpegdec: Check quant_matrixes values for being non zero 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-20 01:38:02 +01:00
Clément Bœsch
1a48a51bfc Merge commit 'b53d8c3ccfeff77874f5ca7c68136b6d87a0a69c' 
* commit 'b53d8c3ccfeff77874f5ca7c68136b6d87a0a69c':
  mjpegdec: Drop disabled code

The last chunk is replaced with a comment describing the structure.

Merged-by: Clément Bœsch <u@pkh.me>
 2017-03-19 16:03:25 +01:00
Michael Niedermayer
800d02abe0 avcodec/mjpegdec: Fix runtime error: left shift of negative value -127 
Fixes: 733/clusterfuzz-testcase-4682158096515072

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-09 23:28:10 +01:00
Michael Niedermayer
4b72d5cd6f avcodec/mjpegdec: Fix runtime error: left shift of negative value -511 
Fixes: 693/clusterfuzz-testcase-6109776066904064

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-03 01:03:29 +01:00
Michael Niedermayer
c91bdd4524 avcodec/mjpegdec: Fix runtime error: left shift of negative value -507 
Fixes: 611/clusterfuzz-testcase-5613455820193792

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 21:49:03 +01:00
Michael Niedermayer
3782656631 avcodec/mjpegdec: Check for for the bitstream end in mjpeg_decode_scan_progressive_ac() 
Fixes timeout
Fixes: 496/clusterfuzz-testcase-5805083497332736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-01 01:36:50 +01:00
Matthieu Bouron
2ae8278832 lavc/mjpegdec: consume SOS data even if the frame is discarded 
Speeds up next marker search when a SOS marker is found but the frame is
discarded (which happens in avformat_find_stream_info).
 2017-01-29 21:54:16 +01:00
Michael Niedermayer
755933cb5c avcodec/mjpegdec: Check remaining bitstream in ljpeg_decode_yuv_scan() 
Fixes timeout
Fixes: 445/fuzz-3-ffmpeg_VIDEO_AV_CODEC_ID_MJPEG_fuzzer
Fixes: 456/fuzz-2-ffmpeg_VIDEO_AV_CODEC_ID_JPEGLS_fuzzer

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-01-24 17:50:03 +01:00
Carl Eugen Hoyos
4acea512f3 lavc/mjpegdec: Do not overread too short JFIF tags. 
Fixes ticket #6055.
 2017-01-01 18:53:27 +01:00
Michael Niedermayer
25d9643f11 avcodec/mjpegdec: Check for rgb before flipping 
Fixes assertion failure due to unsupported case

Fixes: 356/fuzz-1-ffmpeg_VIDEO_AV_CODEC_ID_MJPEG_fuzzer
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-12-31 03:21:05 +01:00
Diego Biurrun
212c6a1d70 mjpegdec: Check return values of functions that may fail 2016-11-29 13:13:35 +01:00
Diego Biurrun
67deba8a41 Use avpriv_report_missing_feature() where appropriate 2016-11-08 17:54:34 +01:00
Carl Eugen Hoyos
a6a453ccd1 Cosmetics: Reindent after e82b181f. 2016-09-03 14:23:32 +02:00
Carl Eugen Hoyos
e82b181f80 lavc/mjpegdec: Only read JFIF thumbnail size if the segment is long enough. 
Fixes ticket #5805.
 2016-09-03 14:21:46 +02:00
Carl Eugen Hoyos
cef5bc0e6e lavc/mjpegdec: Do not skip reading quantization tables. 
They may contain 0xFFs, confusing the start code finding algorithm.

Fixes ticket #5819.
 2016-09-03 13:25:54 +02:00
Diego Biurrun
b53d8c3ccf mjpegdec: Drop disabled code 2016-08-17 12:16:42 +02:00
Clément Bœsch
2ab823d4a6 Merge commit 'd68fb1475856cf93199e2bc4eee3063902c35df7' 
* commit 'd68fb1475856cf93199e2bc4eee3063902c35df7':
  mjpegdec: Properly fail on malloc failure

Merged-by: Clément Bœsch <u@pkh.me>
 2016-06-25 11:42:57 +02:00
Clément Bœsch
8ef57a0d61 Merge commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb' 
* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
  cosmetics: Fix spelling mistakes

Merged-by: Clément Bœsch <u@pkh.me>
 2016-06-21 21:55:34 +02:00
Derek Buitenhuis
d68fb14758 mjpegdec: Properly fail on malloc failure 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2016-05-19 13:44:41 +02:00
Vittorio Giovara
41ed7ab45f cosmetics: Fix spelling mistakes 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2016-05-04 18:16:21 +02:00
Michael Niedermayer
deaf58abf2 avcodec/mjpegdec: Do not try to detect last scan but apply idct after all scans for progressive jpeg 
Fixes: IMG-20160418-WA0002.jpg

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-05-02 12:45:14 +02:00
Michael Niedermayer
de0bcea664 avcodec/mjpegdec: Do not permute quantization tables 
This fixes issues if the permutation changes, as quantizations tables would need to be reread

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-04-03 01:50:08 +02:00
Carl Eugen Hoyos
260c12cdd1 lavc/mjpegdec: Set sar for multiscope videos. 
Fixes decoding of the files from ticket #4535 visually.
 2016-03-09 14:06:40 +01:00
Moritz Barsnick
72babb8566 lavc/mjpegdec: avoid printing useless message in default log level 
The change of bps from 0 doesn't contain any info useful to the
user. This message is now at info log level only if the original
value is !=0, otherwise pushed back to debug log level. The
original value is displayed additionally.

Signed-off-by: Moritz Barsnick <barsnick@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-03-08 16:42:34 +01:00