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path: root/libavcodec/aacdec_fixed.c
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2019-06-04avcodec/aacdec_fixed: Handle more extreem cases in noise_scale()Michael Niedermayer
Its unclear if these cases have any relevance in real files Fixes: shift exponent -2 is negative Fixes: 14489/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5681941631729664 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-06-04avcodec/aacdec_fixed: ssign seems always -1 in noise_scale(), simplifyMichael Niedermayer
2019-04-25avcodec/aacdec_fixed: Fix undefined shift in noise_scale()Michael Niedermayer
Fixes: 13655/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5120559430500352 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-01avcodec/aacdec_fixed: Provide context to av_log()Michael Niedermayer
Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-15avcodec/aacdec_fixed: Fix undefined integer overflow in ↵Michael Niedermayer
apply_independent_coupling_fixed() Fixes: signed integer overflow: 1195517 * 2048 cannot be represented in type 'int' Fixes: 8636/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-4695836326887424 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-05-28avcodec/aacdec_fixed: use 64bit to avoid overflow in rounding in ↵Michael Niedermayer
apply_dependent_coupling_fixed() Fixes: signed integer overflow: -2141499320 + -14469590 cannot be represented in type 'int' Fixes: 7351/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-6351214791884800 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-04-03avcodec/aacdec_fixed: Fix integer overflow in apply_independent_coupling_fixed()Michael Niedermayer
I was not able to reproduce this, this fix is based on just the fuzzer log. Fixes: 4959/clusterfuzz-testcase-minimized-6035350934781952 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-11-13avcodec/aacdec_fixed: Fix undefined shiftMichael Niedermayer
Fixes: runtime error: left shift of negative value -801112064 Fixes: 3492/clusterfuzz-testcase-minimized-5784775283441664 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-31Merge commit 'b5f19f7478492307e4b4763aeac3180faf50e17f'James Almer
* commit 'b5f19f7478492307e4b4763aeac3180faf50e17f': aac: Split function to parse ADTS header data into public and private part Merged-by: James Almer <jamrial@gmail.com>
2017-10-30avcodec/aacdec_fixed: Fix integer overflow in apply_dependent_coupling_fixed()Michael Niedermayer
Fixes: runtime error: signed integer overflow: 623487 * 536870912 cannot be represented in type 'int' Fixes: 3594/clusterfuzz-testcase-minimized-4650622935629824 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-30avcodec/aacdec_fixed: Fix integer overflow in predict()Michael Niedermayer
Fixes: runtime error: signed integer overflow: -2110708110 + -82837504 cannot be represented in type 'int' Fixes: 3547/clusterfuzz-testcase-minimized-6009386439802880 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-06avcodec/aacdec_fixed: fix invalid shift in predict()Michael Niedermayer
Fixes: runtime error: shift exponent -2 is negative Fixes: 2818/clusterfuzz-testcase-minimized-5062943676825600 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-24avcodec/aacdec_fixed: fix: left shift of negative value -1Michael Niedermayer
Fixes: 2699/clusterfuzz-testcase-minimized-5631303862976512 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-06-19avcodec/aacdec_fixed: Check s for being too smallMichael Niedermayer
Fixes: runtime error: shift exponent -8 is negative Fixes: 2286/clusterfuzz-testcase-minimized-5711764169687040 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-06-11avcodec/aacdec_fixed: Fix runtime error: left shift of negative value -1297616Michael Niedermayer
Fixes: 2195/clusterfuzz-testcase-minimized-4736721533009920 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-28avcodec/aacdec_fixed: Fix runtime error: left shift of 1 by 31 places cannot ↵Michael Niedermayer
be represented in type 'int' Fixes: 1878/clusterfuzz-testcase-minimized-6441918630199296 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-28avcodec/aacdec_fixed: Fix multiple runtime error: shift exponent 127 is too ↵Michael Niedermayer
large for 32-bit type 'int' Fixes: 1851/clusterfuzz-testcase-minimized-5692607495667712 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-26avcodec/aacdec_fixed: Fix runtime error: signed integer overflow: ↵Michael Niedermayer
-2147483648 * -1 cannot be represented in type 'int' Fixes: 1825/clusterfuzz-testcase-minimized-6002833050566656 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-23avcodec/aacdec_fixed: Fix multiple runtime error: shift exponent 127 is too ↵Michael Niedermayer
large for 32-bit type 'int' Fixes: 1762/clusterfuzz-testcase-minimized-5150981081792512 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-21avcodec/aacdec_fixed: Fix runtime error: shift exponent 34 is too large for ↵Michael Niedermayer
32-bit type 'int' Fixes: 1721/clusterfuzz-testcase-minimized-4719352135811072 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-13avcodec/aacdec_fixed: Fix runtime error: left shift of negative value -1Michael Niedermayer
Fixes: 1535/clusterfuzz-testcase-minimized-5826695535788032 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-11avcodec/aacdec_fixed: Fix multiple shift exponent 33 is too large for 32-bit ↵Michael Niedermayer
type 'int' Fixes: 1471/clusterfuzz-testcase-minimized-6376460543590400 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-11avcodec/aacdec_fixed: Fix various integer overflowsMichael Niedermayer
Fixes: 1377/clusterfuzz-testcase-minimized-5487049807233024 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-03-13Move cbrt tables to separate cbrt_data(_fixed).c files.Reimar Döffinger
Allows sharing and reusing the data between different files. Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
2016-01-01Merge commit '2c6811397bdf13d43ca206e48d6d6da9c2cd47c6'Hendrik Leppkes
* commit '2c6811397bdf13d43ca206e48d6d6da9c2cd47c6': lavc: add profiles to AVCodecDescriptor Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
2015-10-15aac: Make codec init run under ff_thread_onceDerek Buitenhuis
This makes AAC init threadsafe. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2015-08-22aacdec_fixed: Make exp2tab static constTimothy Gu
2015-07-27Merge commit 'def97856de6021965db86c25a732d78689bd6bb0'Michael Niedermayer
* 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>
2015-07-09libavcodec: Implementation of AAC_fixed_decoder (LC-module) [4/4]Jovan Zelincevic
Build system modified There are several warnings occurring during build after this patch is applied. The cause of most of these warnings is in that some definitions needed here are logical part of sbr module and are added in later patches. When this patches are applied these warnings stop occurring. The only warning that is added here and is not fixed with later patches is warning that warns that type mismatch for table ff_aac_eld_window_480. The reason for this warning is in that ER AAC ELD 480 is not integrated in to the fixed point implementation at this moment and there is no fixed point version of this table. Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-07-09libavcodec: Implementation of AAC_fixed_decoder (LC-module) [3/4]Djordje Pesut
Add fixed point implementation Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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