| Commit message (Collapse) | Author | Age |
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Purpose: avdevice/decklink: Removed pthread dependency by replacing
semaphore used in code appropriately. Doing so makes it easier to
build ffmpeg using Visual C++ on Windows. This is a contination of
Kyle Schwarz's "avdevice/decklink: Remove pthread dependency" patch
that is available at https://patchwork.ffmpeg.org/patch/2654/ . This
patch wasn't accepted, and as far as I can tell, there was no
follow-up after it was rejected.
Notes: Used Visual Studio 2015 (with update 3) for this.
Comments:
-- configure: Eliminated pthreads dependency for decklink_indev_deps
and decklink_outdev_deps and replaced with threads dependency
-- libavdevice/decklink_common.cpp / .h:
a) Eliminated semaphore and replaced with a combination of a mutex,
condition variable, and a counter (frames_buffer_available_spots).
b) Removed include of pthread.h and semaphore.h and now using
libavutil/thread.h instead.
-- libavdevice/decklink_dec.cpp: Eliminated include of pthread.h and
semaphore.h.
-- libavdevice/decklink_enc.cpp:
a) Eliminated include of pthread.h and semaphore.h.
b) Replaced use of semaphore with the equivalent using a combination
of a mutex, condition variable, and a counter
(frames_buffer_available_spots). In theory, libavutil/thread.h and
the associated code could have been modified instead to add
cross-platform implementations of the sem_ functions, but an
inspection of the ffmpeg source base indicates that there are only
two cases in which semaphores are used (including this one that was
replaced), so it was deemed to not be worth the effort.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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Fixes ticket #5669.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Reviewed-by: Deti Fliegl <deti@fliegl.de>
Signed-off-by: Marton Balint <cus@passwd.hu>
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Reviewed-by: Deti Fliegl <deti@fliegl.de>
Signed-off-by: Marton Balint <cus@passwd.hu>
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This patch also makes BlackMagic drivers v10.6.1 a hard requirement.
Reviewed-by: Deti Fliegl <deti@fliegl.de>
Signed-off-by: Marton Balint <cus@passwd.hu>
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Reviewed-by: Deti Fliegl <deti@fliegl.de>
Signed-off-by: Marton Balint <cus@passwd.hu>
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Reviewed-by: Deti Fliegl <deti@fliegl.de>
Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Michael Ira Krufky <mkrufky@linuxtv.org>
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It uses the libzvbi slicer, therefore teletext capture requires libzvbi.
Reviewed-by: Deti Fliegl <deti@fliegl.de>
Signed-off-by: Marton Balint <cus@passwd.hu>
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This reverts commit 61fb70c3866b19dccf473ad4e5ede79d117e8e1c.
Reported in #5183 to break the build. Further investigation needed.
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This commit cleans up the decklink files' header usage so that they pass
checkheaders.
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In version 10.4 of the DeckLink SDK, GetBufferedAudioSampleFrameCount() was changed to take an unsigned int instead of an unsigned long.
Signed-off-by: Chris Spencer <spencercw@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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with MinGW-w64"
Fixes Ticket4130
Requested and Tested by: Zeranoe
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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