Branch:
n4.4-jackoutdev
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n4.4-jackoutdev
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release/0.11
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release/0.7
release/0.8
release/0.9
release/1.0
release/1.1
release/1.2
release/2.0
release/2.1
release/2.2
release/2.3
release/2.4
release/2.5
release/2.6
release/2.7
release/2.8
release/3.0
release/3.1
release/3.2
release/3.3
release/3.4
release/4.0
release/4.1
release/4.2
release/4.3
release/4.4
v0.6.1
v0.6
v0.5.3
v0.5.2
v0.5.1
v0.5
n4.5-dev
n4.4-dev
n4.3-dev
n4.2-dev
n4.1-dev
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n3.4-dev
n3.3-dev
n3.2-dev
n3.1-dev
n2.9-dev
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n2.1-dev
n1.3-dev
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n0.12-dev
n0.11-dev
n4.4
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n4.3.1
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n2.2-rc2
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ffmpeg-0.6.3
n0.5.15
n0.5.14
n0.5.13
n0.5.12
n0.5.11
n0.5.10
n0.5.9
n0.5.8
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n0.5.6
n0.5.5
N
3 Commits (n4.4-jackoutdev)
3 Commits (n4.4-jackoutdev)
| Author | SHA1 | Message | Date |
|---|---|---|---|
 Wan-Teh Chang
|
3703f13333 |
avutil/tests: run the cpu_init.c test conditionally on HAVE_THREADS
Suggested by Diego Biurrun and James Almer. Signed-off-by: Wan-Teh Chang <wtc@google.com> Signed-off-by: James Almer <jamrial@gmail.com> |
8 years ago |
|
Wan-Teh Chang
|
8986885801 |
avutil/cpu_init: remove unnecessary arguments to the main() function
Signed-off-by: James Almer <jamrial@gmail.com> |
8 years ago |
 Wan-Teh Chang
|
2170017a1c |
avutil: fix data race in av_get_cpu_flags()
Make the one-time initialization in av_get_cpu_flags() thread-safe. The
static variables |flags|, |cpuflags_mask|, and |checked| in
libavutil/cpu.c are read and written using normal load and store
operations. These are considered as data races. The fix is to use atomic
load and store operations.
Remove the |checked| variable because the invalid value of -1 for
|flags| can be used to indicate the same condition. Rename |flags| to
|cpu_flags| and move it to file scope.
The fix can be verified by running the libavutil/tests/cpu_init.c test
program under ThreadSanitizer:
./configure --toolchain=clang-tsan
make libavutil/tests/cpu_init
libavutil/tests/cpu_init
There should be no warnings from ThreadSanitizer.
Co-author: Dmitry Vyukov of Google, who suggested the data race fix.
Signed-off-by: Wan-Teh Chang <wtc@google.com>
|
8 years ago |
|
Wan-Teh Chang
|
d84a21207e |
avutil/tests: Add cpu_init.c to check whether the one-time initialization in av_get_cpu_flags() has data races.
Co-author: Dmitry Vyukov of Google Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
8 years ago |