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56 Commits

Author SHA1 Message Date
Michael Niedermayer
f01d522cf3 avcodec/dxtory: Fix undefined shift with negative linesize 
Fixes: left shift of negative value -128
Fixes: 30746/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5906271469436928

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-28 20:11:03 +01:00
Michael Niedermayer
3291d994b7 avcodec/dxtory: Fix negative stride shift in dx2_decode_slice_420() 
Fixes: left shift of negative value -640
Fixes: 26044/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5631057602543616

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-10-04 16:54:11 +02:00
Michael Niedermayer
abebd87764 avcodec/dxtory: Fix negative shift in dx2_decode_slice_410() 
Fixes: left shift of negative value -768
Fixes: 25574/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-6012596027916288

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-09-26 19:32:42 +02:00
Michael Niedermayer
c3d1c7f903 avcodec/dxtory: Fix negative shift in dxtory_decode_v1_410() 
Fixes: left shift of negative value -256
Fixes: 25460/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5073252341514240

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-09-26 19:32:42 +02:00
Michael Niedermayer
497debb171 avcodec/dxtory: Fix get_raw_size() for YUV 
Fixes: out of array read
Fixes: 25455/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-6327985731534848

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-09-26 19:32:42 +02:00
Paul B Mahol
1d1411822a avcodec/dxtory: add frame threads support 2020-09-05 10:32:30 +02:00
Paul B Mahol
a198b508e3 avcodec/dxtory: add missed rgb555/rgb565 formats for vflip case 2020-09-05 10:32:30 +02:00
Paul B Mahol
4562d8e8d6 avcodec/dxtory: support subsampled formats with non-aligned size 
Also unbreak decoding after 6e1a167c55
 2020-09-05 10:32:30 +02:00
Paul B Mahol
2d16b6bd3e avcodec/dxtory: add support for vertically flipped frames 2020-09-03 18:03:27 +02:00
Michael Niedermayer
9570322a2d avcodec/dxtory: Check slice_size against minimum in dxtory_decode_v2() 
Fixes: Timeout (33sec -> 16 milli sec)
Fixes: 14181/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5681840708386816

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-04-24 17:05:02 +02:00
Michael Niedermayer
d92034a06a avcodec/dxtory: Check slice sizes before allocating image 
Fixes: Timeout (26sec -> 2sec)
Fixes: 13612/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5676845977042944

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-25 13:20:29 +01:00
Michael Niedermayer
3748746a4d avcodec/dxtory: Remove code that corrupts dimensions 
Fixes: Timeout
Fixes: 5796/clusterfuzz-testcase-minimized-5206729085157376

Does someone have a valid sample that triggers this path ?

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-02-20 15:27:51 +01:00
Michael Niedermayer
6e1a167c55 avcodec/dxtory: Fix bits left checks 
Fixes: Timeout
Fixes: 4863/clusterfuzz-testcase-6347354178322432

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-23 21:48:31 +01:00
Clément Bœsch
349a26f509 Merge commit '7a2b2b6a92c4b528ecb640790eca0aa790d858f4' 
* commit '7a2b2b6a92c4b528ecb640790eca0aa790d858f4':
  dxtory: Drop nonsense ISO C printf conversion specifiers for standard types

Merged-by: Clément Bœsch <u@pkh.me>
 2017-03-27 22:05:50 +02:00
Diego Biurrun
7a2b2b6a92 dxtory: Drop nonsense ISO C printf conversion specifiers for standard types 2016-10-28 13:24:55 +02:00
Clément Bœsch
ae753dbd0d Merge commit 'b668662939de3a02454cfc9ba3e6d10b87527a40' 
* commit 'b668662939de3a02454cfc9ba3e6d10b87527a40':
  get_bits: Move BITSTREAM_READER_LE definition before all relevant #includes

The merge commit also includes changes for libavcodec/interplayacm.c and
libavcodec/truemotion2rt.c

Merged-by: Clément Bœsch <clement@stupeflix.com>
 2016-06-29 11:35:10 +02:00
Diego Biurrun
b668662939 get_bits: Move BITSTREAM_READER_LE definition before all relevant #includes 
This avoids the danger that get_bits.h might get indirectly #included before
BITSTREAM_READER_LE is defined.

Also sort headers into canonical order where appropriate.
 2016-06-07 13:09:57 +02:00
Diego Biurrun
bd016dbf23 Mark tables used only within their files as static 2016-03-30 17:19:13 +02:00
Michael Niedermayer
76b6f4b7d9 avcodec/dxtory: Fix input size check in dxtory_decode_v1_410() 
Fixes potential out of array read

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-11-15 00:32:19 +01:00
Michael Niedermayer
9caa9414cc avcodec/dxtory: Fix input size check in dxtory_decode_v1_420() 
Fixes out of array read
Fixes: c50c4aa6cefda71b19a31ea12302980c/asan_heap-oob_12be5fd_7011_33ebd015a74976215934add72b9c8352.avi

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-11-15 00:26:01 +01:00
Hendrik Leppkes
72773203a6 Merge commit 'd0f7e4a57fbffa0efb204d4274c3dd56fbfff946' 
* commit 'd0f7e4a57fbffa0efb204d4274c3dd56fbfff946':
  dxtory: Unify and rework the decoding routines

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
 2015-09-08 14:34:09 +02:00
Hendrik Leppkes
aa15e233c4 Merge commit 'a7e6fbd90e62d3320b1e26d8209fc0f55ee5b0be' 
* commit 'a7e6fbd90e62d3320b1e26d8209fc0f55ee5b0be':
  dxtory: Factorize the buffer loading

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
 2015-09-08 14:27:05 +02:00
Hendrik Leppkes
696634c5fa Merge commit '6a6bc43f5f79587b8936334cc0b3a6616f4807ac' 
* commit '6a6bc43f5f79587b8936334cc0b3a6616f4807ac':
  dxtory: Factorize slice size checks

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
 2015-09-08 14:23:53 +02:00
Luca Barbato
d0f7e4a57f dxtory: Unify and rework the decoding routines 
Do not make many assumption on the dimension of the slices and just
try to decode additional lines if there is enough data left.

Decodes all the samples kindly provided by ultramage.
 2015-09-06 14:16:38 +02:00
Luca Barbato
a7e6fbd90e dxtory: Factorize the buffer loading 
And the checks nearby it.
 2015-09-04 01:42:55 +02:00
Luca Barbato
6a6bc43f5f dxtory: Factorize slice size checks 
They are always the same.
 2015-09-04 01:42:55 +02:00
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
Paul B Mahol
088dfd3ff1 avcodec/dxtory: use init_get_bits8() 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-02-14 19:45:23 +00:00
Michael Niedermayer
b4ad2853c5 avcodec/dxtory: Use LL instead of L number suffix 
This is probably unneeded and normal int would be fine, but its
safer to use LL and this isnt speed relevant

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-01 20:00:10 +01:00
Michael Niedermayer
47f1596ece avcodec/dxtory: use unaligned copy for unaligned addresses 
Fixes undefined behavior
Fixes: asan_heap-oob_112c6b3_13_012.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-30 19:43:03 +01:00
Michael Niedermayer
ee2e5acdb1 avcodec/dxtory: remove unused variables 
Found-by: Benoit Fouet <benoit.fouet@free.fr>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-09-26 12:51:40 +02:00
Michael Niedermayer
a43bcaafe2 avcodec/dxtory: Support dxtory-2.0.127.avi 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-09-25 23:46:56 +02:00
Michael Niedermayer
8d024c5107 Merge commit 'cc8163e1a3601a56f722a4720516e860bf1c6198' 
* commit 'cc8163e1a3601a56f722a4720516e860bf1c6198':
  avcodec: more correct printf specifiers

Conflicts:
	libavcodec/4xm.c
	libavcodec/alsdec.c
	libavcodec/dfa.c
	libavcodec/h264_ps.c
	libavcodec/jpeg2000dec.c
	libavcodec/lagarith.c
	libavcodec/mpeg12dec.c
	libavcodec/rv10.c
	libavcodec/svq3.c
	libavcodec/wmaprodec.c
	libavcodec/xwddec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-22 18:43:40 +01:00
Diego Biurrun
cc8163e1a3 avcodec: more correct printf specifiers 2014-03-22 14:08:20 +01:00
Michael Niedermayer
a392bf6570 avcodec/dxtory: fix src size checks 
Fixes integer overflow
Fixes out of array read
Fixes: d104661bb59b202df7671fb19a00ca6c-asan_heap-oob_d6429d_5066_cov_1729501105_dxtory_mic.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-16 21:13:02 +01:00
Michael Niedermayer
4b84a69ebb Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  dxtory: compressed RGB555/RGB565 decoding support

Conflicts:
	libavcodec/dxtory.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 01:39:19 +01:00
Michael Niedermayer
2d0d1f7eb3 Merge commit '0e1ad2f591b87e944550c15b54e54f8189743289' 
* commit '0e1ad2f591b87e944550c15b54e54f8189743289':
  dxtory: add more compressed and uncompressed modes

Conflicts:
	libavcodec/dxtory.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 01:33:42 +01:00
Kostya Shishkov
28e1eed3c2 dxtory: compressed RGB555/RGB565 decoding support 2014-01-24 20:09:51 +01:00
Kostya Shishkov
0e1ad2f591 dxtory: add more compressed and uncompressed modes 2014-01-24 20:09:44 +01:00
Michael Niedermayer
a298f934ec Merge commit '025fd76e1a2623c858d8c686a73cc30980a314b0' 
* commit '025fd76e1a2623c858d8c686a73cc30980a314b0':
  dxtory: change error code for unexpected slice configuration

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-21 21:17:16 +01:00
Michael Niedermayer
9eb954b91d Merge commit 'e91a3f1bdba9b4945e42c191d2e35e9844625fb4' 
* commit 'e91a3f1bdba9b4945e42c191d2e35e9844625fb4':
  dxtory: correctly handle YUV slices with average odd height

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-21 21:01:36 +01:00
Kostya Shishkov
025fd76e1a dxtory: change error code for unexpected slice configuration 2014-01-21 17:47:50 +01:00
Kostya Shishkov
e91a3f1bdb dxtory: correctly handle YUV slices with average odd height 2014-01-21 17:47:50 +01:00
Thilo Borgmann
d814a839ac Reinstate proper FFmpeg license for all files. 2013-08-30 15:47:38 +00:00
Michael Niedermayer
b984c727f5 avcodec/dxtory: make def_lru[8] static 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-02 23:11:31 +02:00
Kostya Shishkov
3b03d7e251 dxtory v2 support 2013-05-28 13:35:09 +02:00
Diego Biurrun
6d97484d72 avcodec: av_log_ask_for_sample() ---> avpriv_request_sample() 2013-03-13 21:20:12 +01:00
Anton Khirnov
759001c534 lavc decoders: work with refcounted frames. 2013-03-08 07:38:30 +01:00
Anton Khirnov
df9b956751 lavc: fix decode_frame() third parameter semantics for video decoders 
It's got_frame, not data size
 2012-12-04 21:45:36 +01:00