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* avcodec/movtextenc: fix writing to bytestream on BE archesAndriy Gelman2020-10-15
| | | | | | | | | | | | | | | | | | Fixes fate-binsub-movtextenc on PPC64 Currently tags are written in reverse order on BE arches. This is fixed by using MKBETAG() and AV_RB32() to be arch agnostics. Also s->font_count is of type int. On BE arches with 32bit int, count = AV_RB16(&s->font_count) will read two most significant bytes instead of the least significant bytes. This is fixed by assigning s->font_count to count first. The final change is modifying the type of len. On BE arches the most significant byte of the int was written instead of the least significant byte. Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
* avcodec/asvenc: Inline constantsAndreas Rheinhardt2020-10-16
| | | | | Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/asvdec: Use init_get_bits8()Andreas Rheinhardt2020-10-16
| | | | | Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/asvdec: Reduce the size of some VLCsAndreas Rheinhardt2020-10-16
| | | | | Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/ylc: Inline constantsAndreas Rheinhardt2020-10-16
| | | | | Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/v3/408enc: Remove empty close functionsAndreas Rheinhardt2020-10-16
| | | | | Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/exr: Fix overflow with many blocksMichael Niedermayer2020-10-15
| | | | | | | | Fixes: signed integer overflow: 1073741827 * 8 cannot be represented in type 'int' Fixes: 25621/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-6304841641754624 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/Makefile: add missing av1_cuvid entryJames Almer2020-10-15
| | | | Signed-off-by: James Almer <jamrial@gmail.com>
* configure: check for nvdec/cuvid AV1 supportTimo Rothenpieler2020-10-15
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* avcodec/vp9dsp_template: Fix integer overflows in idct16_1d()Michael Niedermayer2020-10-15
| | | | | | | | Fixes: signed integer overflow: -190760 * 11585 cannot be represented in type 'int' Fixes: 25471/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-5743354917421056 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/ansi: Check initial dimensionsMichael Niedermayer2020-10-15
| | | | | | | | Fixes: Timeout (minutes to less than 1sec) Fixes: 25682/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ANSI_fuzzer-6320712032452608 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/hevcdec: Check slice_cb_qp_offset / slice_cr_qp_offsetMichael Niedermayer2020-10-15
| | | | | | | | Fixes: signed integer overflow: 29 + 2147483640 cannot be represented in type 'int' Fixes: 25413/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5697909331591168 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/sonic: Check for overreadMichael Niedermayer2020-10-15
| | | | | | | | Fixes: Timeout (too long -> 1.3 sec) Fixes: 24358/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5107284099989504 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mobiclip: Check that Motion vectors are within the input frameMichael Niedermayer2020-10-15
| | | | | | | | | | | | The MV checks did not consider the width and height of the block, also they had some off by 1 errors. This resulted in undefined behavior and crashes. This commit instead errors out on these Fixes: out of array read Fixes: 26080/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOBICLIP_fuzzer-5758146355920896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mobiclip: set the bitstream size to the inputMichael Niedermayer2020-10-15
| | | | | | | | | Fixes: out of array read Fixes: 25453/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOBICLIP_fuzzer-5163575973511168 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/allcodecs: move av1_cuvid below libaom_av1James Almer2020-10-15
| | | | | | Software decoders should always be first. Signed-off-by: James Almer <jamrial@gmail.com>
* avcodec/cuviddec: add av1 supportRoman Arzumanyan2020-10-15
| | | | Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
* avformat/subviewerdec: fail on AV_NOPTS_VALUEMichael Niedermayer2020-10-15
| | | | | | | | | | Such values are not supported by ff_subtitles_queue* Fixes: signed integer overflow: 10 - -9223372036854775808 cannot be represented in type 'long' Fixes: 24193/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5714901855895552 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* libavformat/avidec: check memory allocationChris Miceli2020-10-14
| | | | | | | Memory allocation for AVIOContext should be checked. In this code, all error conditions are sent to the "goto error". Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* libavfilter/dnn/dnn_backend{openvino, tf}: check memory alloc non-NULLChris Miceli2020-10-14
| | | | | These previously would not check that the return value was non-null meaning it was susceptible to a sigsegv. This checks those values.
* libavfilter/dnn_backend_native: check mem allocationChris Miceli2020-10-14
| | | | check that frame allocations return non-null.
* avcodec/webp: Use LE VLC table for LE bitstream readerAndreas Rheinhardt2020-10-12
| | | | | | | | | | | | | | | | The WebP format uses Huffman tables and the decoder therefore uses VLC tables. Given that WebP is a LE format, a LE bitreader is used; yet the VLC table is not created for a LE reader (the process used to create the tables puts the last bit to be read in the lowest bit) and therefore custom code for reading the VLCs that reverses the bits read is used instead of get_vlc2(). This commit changes this to use a table designed for LE bitreader which allows to use get_vlc2() directly. The necessary reversing of the codes is delegated to ff_init_vlc_sparse() (and is therefore only done during init and not when actually reading the VLCs). Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/ivi: Avoid reversing BE VLC codes for LE bitstream readerAndreas Rheinhardt2020-10-12
| | | | | Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/speedhq: Avoid reversing BE codes for LE bitstream readerAndreas Rheinhardt2020-10-12
| | | | | Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/vlc, bitstream: Allow to use BE codes to initialize LE VLCAndreas Rheinhardt2020-10-12
| | | | | | | | | This is easily possible because ff_init_vlc_sparse() already transforms both LE as well as BE codes to a normal form internally before processing them further. This will be used in subsequent commits. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/speedhq: Don't use ff_ prefix for static symbolsAndreas Rheinhardt2020-10-12
| | | | | Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/speedhq: Don't pretend reading DC can failAndreas Rheinhardt2020-10-12
| | | | | | | | It can't, because the tables used don't have any loose ends. This also fixes a bug in the only caller of decode_dc_le(): It didn't check the return value. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/indeo2: Remove #ifdef BITSTREAM_READER_LE cruftAndreas Rheinhardt2020-10-12
| | | | | | | | | | | | | | | | Before the LE bitstream reader was used in the Indeo 2 decoder, a standard BE bitstream reader with swapped bits was used; when the LE bitstream reader was added, the old code was only #ifdef'ed away and not removed. Said code has several problems: It modifies the input packet without ensuring that the packet is indeed writable; and it doesn't work since 09c4e5c5988c0037d108c5fc2a137d9ad488f7f4 because said commit removed the BE table used to initialize the VLC table. So just remove this cruft from the actual decoder, too. Also use INIT_LE_VLC_STATIC while at it. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avfilter/vf_scale_cuda: unload cuModule on uninitleozhang2020-10-12
| | | | | Signed-off-by: leozhang <nowerzt@gmail.com> Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
* Add support for building fuzzer tools for an individual demuxerMichael Niedermayer2020-10-12
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* fate-mxf-probe-applehdr10: Ignore endiannessTomas Härdin2020-10-12
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* avcodec/cbs_av1: Free content in cbs_av1_free_metadata()Michael Niedermayer2020-10-12
| | | | | | | | | Fixes: memleak Fixes: 25838/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5736255957237760 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avfilter/af_sofalizer: allow up to 64 channelsPaul B Mahol2020-10-12
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* avfilter/af_sofalizer: allow to specify virtual speakers indetifier as numberPaul B Mahol2020-10-12
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* avcodec/apedec: use proper macro and type for pivot variablePaul B Mahol2020-10-12
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* avcodec/apedec: properly calculate and store absolute valuePaul B Mahol2020-10-12
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* avcodec/apedec: fix decoding 24bit insane files with recent versionsPaul B Mahol2020-10-12
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* avformat/isom: add support for RAW ASC Bayer BGGR in movPaul B Mahol2020-10-12
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* avcodec/mpeg12: Don't pretend reading dct_dc_size_* VLCs can failAndreas Rheinhardt2020-10-12
| | | | | | | | | | It can't because the corresponding trees don't have any loose ends. Removing the checks also removed an instance of av_log(NULL (with a nonsense message) from the codebase. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec/mpeg12: Reduce size of motion-vector VLCAndreas Rheinhardt2020-10-12
| | | | | | | | | | It currently uses 9 bits per table, but there are no codes with nine bits at all, while there are codes with eight, ten and eleven bits. So reducing the table size to eight bits will not reduce the amount of codes that can be parsed in the first step, but it allows to reduce the size of the motion-vector VLC. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* lavc, lavf: Remove newlines from calls to avpriv_request_sample().Carl Eugen Hoyos2020-10-11
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* avcodec/exr: Check line size for overflowMichael Niedermayer2020-10-11
| | | | | | | | Fixes: signed integer overflow: 570425356 * 6 cannot be represented in type 'int Fixes: 25929/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5099197739827200 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/exr: Check xdelta, ydeltaMichael Niedermayer2020-10-11
| | | | | | | | Fixes: assertion failure Fixes: 25617/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5648746061496320 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/adpcm: Check block align for AV_CODEC_ID_ADPCM_PSXMichael Niedermayer2020-10-11
| | | | | | | | | Regression since: ca49476ace90ddebc5f92d9d82297f77e528c21e Fixes: out of array write Fixes: 25786/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_PSX_fuzzer-5704869380620288 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mobiclip: Fix multiple integer overflowsMichael Niedermayer2020-10-11
| | | | | | | | | Fixes: signed integer overflow: 872415232 * 7 cannot be represented in type 'int' Fixes: signed integer overflow: -2013265888 + -1744830464 cannot be represented in type 'int' Fixes: 25834/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOBICLIP_fuzzer-5471406434025472 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* Allow using only the mfra info for seeking using the fragment indexJustin Ruggles2020-10-11
| | | | | | | | The mfra has enough information to enable seeking, and reading it is behind an AVOption flag, so we shouldn't require that sidx information also be present in order to seek using the fragment index. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
* swscale/utils: override forced-zero formats back to full rangeJan Ekström2020-10-11
| | | | | | | | Fixes vf_scale outputting RGB AVFrames with limited range flagged in case either input or output specifically sets the range. This is the reverse of the logic utilized for RGB and PAL8 content in sws_setColorspaceDetails.
* swscale/utils: split range override check into its own functionJan Ekström2020-10-11
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* avfilter/avfilter.h: add missing FF_API_NEXT wrapperJames Almer2020-10-10
| | | | Signed-off-by: James Almer <jamrial@gmail.com>
* avformat/avformat.h: add missing FF_API_NEXT wrappersJames Almer2020-10-10
| | | | Signed-off-by: James Almer <jamrial@gmail.com>
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