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* avcodec/imm4: Unreference previous frame on frame size changeMichael Niedermayer2019-03-101-5/+7
| | | | | | | | | Fixes: Out of array access Fixes: 13552/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IMM4_fuzzer-5767949648920576 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>
* avcodec/imm4: fix artifacts on some files with special coding modePaul B Mahol2019-03-071-21/+22
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* avcodec/imm4: add support for mid-stream size changesPaul B Mahol2019-03-061-12/+15
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* avcodec/imm4: Use ff_set_dimensions()Michael Niedermayer2018-11-101-2/+3
| | | | | | | | | Fixes: Out of memory Fixes: 10970/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IMM4_fuzzer-5698750043914240 Reviewed-by: Paul B Mahol <onemda@gmail.com> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/imm4: improve decoding of some filesPaul B Mahol2018-10-141-15/+49
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* avcodec/imm4: stop using FAAN idctPaul B Mahol2018-10-121-8/+15
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* avcodec: add IMM4 decoderPaul B Mahol2018-08-211-0/+501
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