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* avcodec/decode: add a flags parameter to ff_reget_buffer()James Almer2019-09-04
| | | | | | | | | | Some decoders may not need a writable buffer in some specific cases, but only a reference to the existing buffer with updated frame properties instead, for the purpose of returning duplicate frames. For this, the FF_REGET_BUFFER_FLAG_READONLY flag is added, which will prevent potential allocations and buffer copies when they are not needed. Signed-off-by: James Almer <jamrial@gmail.com>
* avcodec/rscc: Check that the to be uncompressed input is large enoughMichael Niedermayer2019-04-01
| | | | | | | | | Fixes: Out of array access Fixes: 13984/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RSCC_fuzzer-5734128093233152 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>
* libavcodec/rscc.c: add missing semicolonMateusz2019-01-31
| | | | | | Signed-off-by: Mateusz Brzostek <mateuszb@poczta.onet.pl> Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/rscc: Avoid returning frames that have nearly no undamaged pixels in ↵Michael Niedermayer2019-01-28
| | | | | | | | | | | | | them Fixes: Timeout Fixes: 12192/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RSCC_fuzzer-6279038004363264 Before: clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RSCC_fuzzer-6279038004363264 in 15423 ms After: clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RSCC_fuzzer-6279038004363264 in 190 ms Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/rscc: fix decoding of some iscc filesPaul B Mahol2018-09-08
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* avcodec/rscc: Skip empty frames (nb_tiles == 0)Michael Niedermayer2018-02-27
| | | | | | | | | | Fixes: Timeout Fixes: 6266/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RSCC_fuzzer-5692431816196096 Its not known if nb_tiles is allowed so it is not treated as an error Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/rscc: Check pixel_size for overflowMichael Niedermayer2017-05-13
| | | | | | | Fixes: 1509/clusterfuzz-testcase-minimized-5129419876204544 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* Merge commit 'c19830aa2c19f9713b612f7e2fdb437df91ba266'Clément Bœsch2017-03-23
|\ | | | | | | | | | | | | | | | | * commit 'c19830aa2c19f9713b612f7e2fdb437df91ba266': rscc: Support palette format See 11777eb8142117864bff0c8060f17b4089434143 Merged-by: Clément Bœsch <u@pkh.me>
| * rscc: Support palette formatCarl Eugen Hoyos2016-10-02
| | | | | | | | Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* | avcodec/rscc: return the packet size instead of 0Michael Niedermayer2016-12-15
| | | | | | | | | | | | | | | | Most decoders return the amount of data used. This is more consistent Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* | avcodec/rscc: Fix constantMichael Niedermayer2016-10-31
| | | | | | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* | avcodec/rscc: Check side data size before useMichael Niedermayer2016-10-31
| | | | | | | | | | | | Fixes out of array read Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* | lavc/rscc: Support pal8 in rscc.Carl Eugen Hoyos2016-09-19
| | | | | | | | Fixes the colours of the sample for ticket #5611.
* | avcodec/rscc: add support for gray8 formatPaul B Mahol2016-09-19
| | | | | | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* | lavc/rscc: Fix colourspace for codec_tag RSCC and 32bpp.Carl Eugen Hoyos2016-08-17
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* | avcodec/rscc: check input buffer size for deflate modeJames Almer2016-05-10
| | | | | | | | | | | | | | Fixes overreads. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com>
* | Merge commit '51dc4de1218a81ee8e5b3f941839c5e3125a6d4b'Derek Buitenhuis2016-05-08
|\| | | | | | | | | | | | | * commit '51dc4de1218a81ee8e5b3f941839c5e3125a6d4b': rscc: Add extended pixel format support Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
| * rscc: Add extended pixel format supportVittorio Giovara2016-04-04
| | | | | | | | Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* | lavc/rscc: Fix colourspace for codec_tag RSCC.Carl Eugen Hoyos2015-11-22
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* | avcodec/rscc: Check input size for raw modeMichael Niedermayer2015-11-14
| | | | | | | | | | | | | | | | Fixes out of array read Fixes: 7fcd09eadd046e326d8ea0af66f166c8/asan_heap-oob_4a52e5_2273_fa6078a10dd575df266fb1e0b4114cd5.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* | Merge commit '533a6198505edd1379e1cd722852350ae4a85acc'Hendrik Leppkes2015-10-27
|/ | | | | | | * commit '533a6198505edd1379e1cd722852350ae4a85acc': innoHeim/Rsupport Screen Capture Codec decoder Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
* innoHeim/Rsupport Screen Capture Codec decoderVittorio Giovara2015-10-23
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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