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Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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Fixes: Timeout
Fixes: 10108/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-6222384351674368
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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After inspecting the source code of x265, mpv and ffmpeg, I've found that
ffmpeg mistakenly regards EVC_NAL_BLA_N_LP and HEVC_NAL_IDR_N_LP as non-
reference frames, which are acutally reference frames according to the
specification in x265, and drops them.
This patch should address the problem. I have tested it with mpv.
Signed-off-by: Mark Wu <wfwf1997@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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In preparation for implementation of skip_frame.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit 'c3f0357bdf7d3c542aad2c58b94184b9f56edc41':
hevcdec: move the MD5 context out of HEVCSEIPictureHash back into HEVCContext
Merged-by: James Almer <jamrial@gmail.com>
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Cosmetic change skipped in 0b30cb8dae5e7edb2a5f35900547321499c217f1
by mistake.
Signed-off-by: James Almer <jamrial@gmail.com>
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(cherry picked from commit d41e10c1485ec34aa342f7bc2e5bf4f9b6e66414)
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Fixes: runtime error: left shift of 1965559808 by 4 places cannot be represented in type 'int'
Fixes: 2333/clusterfuzz-testcase-minimized-5223935677300736
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>
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This merges commit a02ae1c6837a54ed9e7735da2b1f789b2f4b6e13 from libav,
originally written by Anton Khirnov and skipped in
fc63d5ceb357c4b760cb02772de0b50d0557140f.
libavcodec/hevc_parser.c | 6 ++++--
libavcodec/hevc_ps.c | 31 ++++++++++++-------------------
libavcodec/hevc_ps.h | 2 --
libavcodec/hevc_refs.c | 18 +++++-------------
libavcodec/hevcdec.c | 7 ++++---
libavcodec/hevcdec.h | 2 --
6 files changed, 25 insertions(+), 41 deletions(-)
Signed-off-by: James Almer <jamrial@gmail.com>
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HEVCSEIPictureHash should store only the information extracted from the
bitstream and exported to the higher layer (the decoder or the parser).
The MD5 context is allocated, used and freed by this higher layer, so it
makes more sense for it to also be stored there.
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It doesn't depend on hevcdec anymore.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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Based on the H264 SEI implementation.
This will be mainly useful once support for SEI messages that can be
used by the hevc parser are implemented, like Picture Timing.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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This is in preparation for a following patch.
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Reviewed-by: Aaron Levinson <alevinsn@aracnet.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Move it to hevc_ps as well. This is in preparation for a following patch.
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Reviewed-by: Aaron Levinson <alevinsn@aracnet.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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It doesn't depend on hevcdec anymore.
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Reviewed-by: Aaron Levinson <alevinsn@aracnet.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Based on the H264 SEI implementation.
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Reviewed-by: Aaron Levinson <alevinsn@aracnet.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Use ff_hevc_decode_extradata() instead, which correctly only tries
to decode parameter set NAL units and not any other NAL that may be
present in extradata.
Reviewed-by: nevcairiel
Signed-off-by: James Almer <jamrial@gmail.com>
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These data are necessary when transmitting HDR over HDMI.
Signed-off-by: James Almer <jamrial@gmail.com>
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* commit '0bfdcce4d42a6e654c00ea5f9237dc987626457f':
hevc: move the SliceType enum to hevc.h
Merged-by: James Almer <jamrial@gmail.com>
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* commit 'f6e2f8a9ffda2247bffba991450990d075ea68e3':
hevcdec: move parameter set parsing into a separate header
Merged-by: James Almer <jamrial@gmail.com>
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* commit '150c896a9e46b23b97debb0a5f66fbaeaa32f153':
hevcdec: split ff_hevc_diag_scan* declarations into a separate header
Merged-by: James Almer <jamrial@gmail.com>
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* commit 'c359d624d3efc3fd1d83210d78c4152bd329b765':
hevcdec: move decoder-independent declarations into a separate header
Merged-by: James Almer <jamrial@gmail.com>
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* commit '4abe3b049d987420eb891f74a35af2cebbf52144':
hevc: rename hevc.[ch] to hevcdec.[ch]
Merged-by: Clément Bœsch <u@pkh.me>
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Those values are decoder-independent and are also use by the VA-API
encoder.
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This code is independent from the decoder, so it makes more sense for it
to to have its own header.
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This will be useful in the following commits.
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This way they can be reused by other code without including the whole
decoder-specific hevcdec.h
Also, add the HEVC_ prefix to them, since similarly named values exist
for H.264 as well and are sometimes used in the same code.
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This is more consistent with the rest of libav and frees up the hevc.h
name for decoder-independent shared declarations.
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