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path: root/libavcodec/qdmc.c
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2019-10-12avcodec/qdmc: Check input space in qdmc_get_vlc()Michael Niedermayer
Fixes: Timeout (125sec -> 0.4sec) Fixes: 18059/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDMC_fuzzer-5656195825664000 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>
2019-06-26avcodec/qdmc: Fix integer overflows in PRNGMichael Niedermayer
Fixes: signed integer overflow: 214013 * 2531011 cannot be represented in type 'int' Fixes: 15254/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDMC_fuzzer-5698137026461696 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-09-08avcodec/qdmc: check return code of ff_fft_init()Paul B Mahol
2018-02-04avcodec: do not use init_static_data on some codecsMuhammad Faiz
They don't modify AVCodec, no needs to call it at register. They will be wasteful if these codecs are unused. Instead, call static data initialization at codecs' init. Benchmark: old: 51281340 decicycles in avcodec_register_all, 1 runs, 0 skips new: 6738960 decicycles in avcodec_register_all, 1 runs, 0 skips Reviewed-by: wm4 <nfxjfg@googlemail.com> Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
2017-02-10avcodec/qdmc: silence gcc 6.2.0 warningPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-01-07avcodec: add QDMC decoderPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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