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22 Commits

Author SHA1 Message Date
Andreas Rheinhardt
a247ac640d avcodec: Constify AVCodecs 
Given that the AVCodec.next pointer has now been removed, most of the
AVCodecs are not modified at all any more and can therefore be made
const (as this patch does); the only exceptions are the very few codecs
for external libraries that have a init_static_data callback.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-04-27 10:43:15 -03:00
Michael Niedermayer
cf28521fee avcodec/hq_hqa: Check info size 
Fixes: assertion failure
Fixes: 21079/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5737046523248640

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-06-05 18:14:17 +02:00
Michael Niedermayer
a6229fcd40 avcodec/hq_hqa: Use ff_set_dimensions() 
Fixes: 15530/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5637370344374272
Fixes: signed integer overflow: 65312 * 65312 cannot be represented in type 'int'

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-07-08 09:56:08 +02:00
Michael Niedermayer
407e7c34ca avcodec/hq_hqa: Check available space before reading slice offsets 
Fixes: Timeout (43sec -> 18sec)
Fixes: 14556/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5673543024508928

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>
 2019-05-12 16:31:39 +02:00
Michael Niedermayer
c9222b972d avcodec/hq_hqa: Check remaining input bits in hqa_decode_mb() 
Fixes: Timeout
Fixes: 9634/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-6267852259590144

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-08-25 21:50:17 +02:00
Michael Niedermayer
3d9cb583c8 avcodec/hq_hqa: Fix: runtime error: signed integer overflow: -255 * 10180917 cannot be represented in type 'int' 
Fixes: 1626/clusterfuzz-testcase-minimized-6416580571299840

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-16 23:45:01 +02:00
Michael Niedermayer
1283c42447 avcodec/hq_hqa: Fix runtime error: left shift of negative value -207 
Fixes: 1375/clusterfuzz-testcase-minimized-6070134701555712

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-06 19:12:14 +02:00
Clément Bœsch
9b35242370 Merge commit 'b7f98659f21dce438c33b512e25fd64b8d07c347' 
* commit 'b7f98659f21dce438c33b512e25fd64b8d07c347':
  Remove unnecessary get_bits.h #includes

Merged-by: Clément Bœsch <clement@stupeflix.com>
 2016-06-29 11:16:01 +02:00
Diego Biurrun
b7f98659f2 Remove unnecessary get_bits.h #includes 2016-06-07 13:09:57 +02:00
Carl Eugen Hoyos
144ef773c7 Use correct msvc type specifiers for ptrdiff_t and size_t. 2016-03-09 14:00:22 +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
1cdfae0b3e Merge commit '0cf5588d69922aa3e063bac6304c09c543a9ef52' 
* commit '0cf5588d69922aa3e063bac6304c09c543a9ef52':
  hq_hqa: Fix decoding when INFO section is absent

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-17 14:59:18 +02:00
Vittorio Giovara
0cf5588d69 hq_hqa: Fix decoding when INFO section is absent 2015-07-17 01:49:42 +01:00
Michael Niedermayer
653bf3c5a1 avcodec/hq_hqa: Fix signness of tag 
Fixes Ticket4509

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-06-08 19:11:27 +02:00
Michael Niedermayer
400810abee Merge commit '28eddef689f2b4843a84f7d05fd9614246f92cc4' 
* commit '28eddef689f2b4843a84f7d05fd9614246f92cc4':
  hq_hqa: Validate get_vlc2 return value

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-23 21:57:16 +02:00
Luca Barbato
28eddef689 hq_hqa: Validate get_vlc2 return value 
The `hq_ac_vlc.table` is incomplete, so unaccounted symbol return -1
as value.
 2015-04-22 12:27:43 +02:00
Paul B Mahol
77e794908b avcodec/hq_hqa: remove superfluous log message 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-04-21 13:19:32 +00:00
Michael Niedermayer
1a41415b2a Merge commit 'bd5ad8b23d0f7d469ca30d03deca879993eb0431' 
* commit 'bd5ad8b23d0f7d469ca30d03deca879993eb0431':
  hq_hqa: Fix reading hqa quantization matrix index

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-20 23:20:36 +02:00
Vittorio Giovara
bd5ad8b23d hq_hqa: Fix reading hqa quantization matrix index 
Value is stored as a byte.
 2015-04-20 19:20:22 +01:00
Michael Niedermayer
5a284d076f Merge commit '22526c1f557a72b3285d295bd8b30c40eb65d437' 
* commit '22526c1f557a72b3285d295bd8b30c40eb65d437':
  Canopus HQ/HQA decoder

Conflicts:
	Changelog
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-20 05:28:13 +02:00
Vittorio Giovara
22526c1f55 Canopus HQ/HQA decoder 
Based on work by Kostya Shishkov <kostya.shishkov@gmail.com>.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-04-19 22:37:23 +01:00