a6229fcd40
avcodec/hq_hqa: Use ff_set_dimensions()
Fixes: 15530/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5637370344374272
Fixes: signed integer overflow: 65312 * 65312 cannot be represented in type 'int'
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
6 years ago
407e7c34ca
avcodec/hq_hqa: Check available space before reading slice offsets
Fixes: Timeout (43sec -> 18sec)
Fixes: 14556/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5673543024508928
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>
6 years ago
c9222b972d
avcodec/hq_hqa: Check remaining input bits in hqa_decode_mb()
Fixes: Timeout
Fixes: 9634/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-6267852259590144
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
7 years ago
3d9cb583c8
avcodec/hq_hqa: Fix: runtime error: signed integer overflow: -255 * 10180917 cannot be represented in type 'int'
Fixes: 1626/clusterfuzz-testcase-minimized-6416580571299840
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
8 years ago
1283c42447
avcodec/hq_hqa: Fix runtime error: left shift of negative value -207
Fixes: 1375/clusterfuzz-testcase-minimized-6070134701555712
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
8 years ago
a25dac976a
Use bitstream_init8() where appropriate
9 years ago
c5e01d9170
hq_hqa: Convert to the new bitstream reader
Signed-off-by: Anton Khirnov <anton@khirnov.net>
9 years ago
b7f98659f2
Remove unnecessary get_bits.h #includes
9 years ago
144ef773c7
Use correct msvc type specifiers for ptrdiff_t and size_t.
9 years ago
def97856de
lavc: AV-prefix all codec capabilities
Express bitfields more simply.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
10 years ago
0cf5588d69
hq_hqa: Fix decoding when INFO section is absent
10 years ago
653bf3c5a1
avcodec/hq_hqa: Fix signness of tag
Fixes Ticket4509
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
28eddef689
hq_hqa: Validate get_vlc2 return value
The `hq_ac_vlc.table` is incomplete, so unaccounted symbol return -1
as value.
10 years ago
77e794908b
avcodec/hq_hqa: remove superfluous log message
Signed-off-by: Paul B Mahol <onemda@gmail.com>
10 years ago
bd5ad8b23d
hq_hqa: Fix reading hqa quantization matrix index
Value is stored as a byte.
10 years ago
22526c1f55
Canopus HQ/HQA decoder
Based on work by Kostya Shishkov <kostya.shishkov@gmail.com>.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
10 years ago
Michael Niedermayer
Diego Biurrun
Alexandra Hájková
Carl Eugen Hoyos
Vittorio Giovara
Michael Niedermayer
Luca Barbato
Paul B Mahol