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${ noResults }
8 Commits (a165b53daa8a3a526d2328ca72c4aa9e7f163045)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Michael Niedermayer
|
46e4075549 |
avcodec/dirac_vlc: Fix invalid shift
Fixes: runtime error: shift exponent 65 is too large for 64-bit type 'residual' (aka 'unsigned long') Fixes: 2737/clusterfuzz-testcase-minimized-4968639147016192 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
8 years ago |
|
Michael Niedermayer
|
69e7daf6ce |
avcodec/dirac_vlc: Fix undefined shift
Fixes: runtime error: shift exponent 64 is too large for 64-bit type 'residual' (aka 'unsigned long') Fixes: 2674/clusterfuzz-testcase-minimized-4999700518273024 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
8 years ago |
Rostislav Pehlivanov
|
f41e37b84f |
dirac_vlc: prevent shifting a 0 by 64 bits when zeroing residue
Adding a check for bits == 0 would still make Coverity misdetect this, so just revert to the normal way of setting the residue to 0. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com> |
9 years ago |
|
Rostislav Pehlivanov
|
c4adcff976 |
dirac_vlc: add a SET_RESIDUE macro and fix recent regression
Can also be used in future cleanups since 99% of the time the leftover appending will just append to an already empty residue. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com> |
9 years ago |
|
Rostislav Pehlivanov
|
9c0aba434e |
dirac_vlc: remove redundant macro declaration
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com> |
9 years ago |
|
Rostislav Pehlivanov
|
e24c31b656 |
dirac_vlc: fix undefined shifts
Shifting by more than 63 bits is undefined behavior, athough any compiler not returning 0 after shifting by any amount would be insane. Found by Coverity, fixes CID1363959 and CID1363960 Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com> |
9 years ago |
|
Michael Niedermayer
|
9157ac2f9c |
avcodec/dirac_vlc: Fix mixed declaration and statements
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
9 years ago |
Rostislav Pehlivanov
|
0eb0f93109 |
diracdec: implement a LUT-based Golomb code parser
Still much left to optimize, but it provides a significant performance improvement - 10% for 300Mbps (1080p30), 25% for 1.5Gbps (4k 60fps) in comparison with the default implementation. Signed-off-by: Rostislav Pehlivanov <rpehlivanov@obe.tv> |
9 years ago |