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n0.7.9
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ffmpeg-0.6.3
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n0.5.11
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n0.5.7
n0.5.6
n0.5.5
N
4 Commits (55e6c6b5feb7e2a9110fab1dc06ced23360b14e2)
4 Commits (55e6c6b5feb7e2a9110fab1dc06ced23360b14e2)
| Author | SHA1 | Message | Date |
|---|---|---|---|
 Muhammad Faiz
|
7fae0ea21d |
avfilter: take_samples: do not directly return frame when samples are skipped
Modifying data pointer when skipping samples may make it unaligned.
Workaround for Ticket6349.
This should fix the crash of ticket's testcase and a crash/regression
with avxsynth (reported by Michael Niedermayer).
Also change frame->nb_samples < max to frame->nb_samples <= max.
This improves performance. Benchmark:
./ffmpeg -filter_complex "aevalsrc=0:n=1166,firequalizer=fixed=on" -f null null
old:
25767 decicycles in take_samples, 1023 runs, 1 skips
25422 decicycles in take_samples, 2047 runs, 1 skips
25181 decicycles in take_samples, 4095 runs, 1 skips
24904 decicycles in take_samples, 8191 runs, 1 skips
new:
550 decicycles in take_samples, 1024 runs, 0 skips
548 decicycles in take_samples, 2048 runs, 0 skips
545 decicycles in take_samples, 4096 runs, 0 skips
544 decicycles in take_samples, 8192 runs, 0 skips
Reviewed-by: Nicolas George <george@nsup.org>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
(cherry picked from commit
|
8 years ago |
 Nicolas George
|
383057f8e7 |
lavfi: make ff_framequeue_skip_samples() more useful.
Instead of just updating statistics and leaving the work to the call site, have it actually do the work. Also: skip the samples by updating the frame data pointers instead of moving the samples. More efficient and avoid writing into shared frames. Found-By: Muhammad Faiz <mfcc64@gmail.com> |
9 years ago |
|
Nicolas George
|
bec8ea20c8 |
lavfi/framequeue: avoid empty structs.
Fix compilation on MSVC. |
9 years ago |
|
Nicolas George
|
62b11db0a0 | lavfi: add FFFrameQueue API. | 10 years ago |