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>
* commit '92e6b31c3b31be5d6fcad6bf0030bea86a1c8360':
dxva2: Adjust multiple inclusion guard names to follow convention
This commit is a noop, see 180f9a0958
Merged-by: James Almer <jamrial@gmail.com>
* commit 'dbfe60caca2e8323efa7aba6762dce7be2eba390':
vf_hwupload_cuda: Add min/max limits for device option
This commit is a noop, see4df5a6a26a8aa08bbc6d027c2fb44fcf870e98d7
Merged-by: James Almer <jamrial@gmail.com>
* commit '4efea4ce75fbea3e5f8be8040068bfaaffbb2718':
APIChanges: Mention where release 12 was cut
This commit is a noop.
Merged-by: James Almer <jamrial@gmail.com>
* commit 'fc85646ad495f3418042468da415af73a7a07334':
libopusdec: fix out-of-bounds read
libschroedingerdec: fix leaking of framewithpts
libschroedingerdec: don't produce empty frames
This commit is a noop, see
a86ebbf7f63c0328d58d8c8f543b81
Merged-by: James Almer <jamrial@gmail.com>
Made appropriate changes to be able to successfully
build C++ files using a Visual C++ build on Windows.
Based on an earlier patch by Kyle Schwarz.
Comments:
-- compat/w32pthreads.h: Made appropriate changes to w32pthreads.h to
get it to build when it is being included in a C++ file and built
with Visual C++. This is mostly a copy of Kyle Schwarz's patch as
described above.
-- configure:
a) Now calling set_ccvars CXX to cause the various CXX_ variables to
be setup properly. For example, with MSVC (Microsoft Visual C++),
this causes CXX_O to be set to -Fo$@ instead of using the default
value. The default value does not work with Visual C++. This
change will also have the impact of correcting CXX_O (and possibly
CXX_C) for other compilers, although this is really only relevant
for the Intel compiler, in addition to MSVC.
b) Now using cl for the C++ compiler for the MSVC toolchain. This is
currently only relevant for building the
Blackmagic/Decklink-related files under avdevice.
Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>
* commit 'd3da8a0035734529c4e26696c9a0c6cb56633838':
omx: Fix allocation check
This commit is a noop, see 16a75304fe
Merged-by: James Almer <jamrial@gmail.com>
* commit 'd32bdadda86b35c2960e4de877cf081b9d2dadb3':
qsvdec: Fix memory leak on error
This commit is a noop, see b6f80b16d1
Merged-by: James Almer <jamrial@gmail.com>
* commit '2170017a1cd033b6f28e16476921022712a522d8':
avutil: fix data race in av_get_cpu_flags()
This commit is a noop, see fed50c4304
Merged-by: James Almer <jamrial@gmail.com>
* commit '892acc70105df9e6f7773bdde85b3e9541098525':
configure: Fail if cuda was enabled and is not available
This commit is a noop. Our CUDA implementation is autodectected.
Merged-by: James Almer <jamrial@gmail.com>
* commit 'fbec58daa2351cbe9fc758d8735c23ff03313db4':
build: Add an internal component for hevc_ps code
This commit is a noop, see 498e9e8e2a
Merged-by: James Almer <jamrial@gmail.com>
* commit 'f912fd767e55bbb5a1554bd99bacab007659609c':
Add missing #includes for standalone spherical-information-related headers
fate: Add spherical and stereo3d mov tests
avprobe: Allow specifying multiple stream entries to be shown
This commit is a noop.
Merged-by: James Almer <jamrial@gmail.com>
* commit 'e90137c045721a1635cc241eb1e1be1126389c38':
mov: Export spherical information
lavc: Add spherical packet side data API
lavu: Add AVSphericalMapping type and frame side data
This commit is a noop, see
8f58ecc344e7a6f8c9724dcdecf471
Merged-by: James Almer <jamrial@gmail.com>
* commit 'c833c2034f4ee77fe2ee3470f3f5f84415673b3b':
build: Ensure that the "all" target appears before all Makefile includes
Merged-by: James Almer <jamrial@gmail.com>
* commit '6bd9590b33742f1cceecc0c0d81b3caf3d8a4e1a':
build: Have old H.264/HEVC nvenc encoders select their new counterparts
Merged-by: James Almer <jamrial@gmail.com>
* commit '3e105d08848162b90d886bde59c010d4b0362a4b':
build: Move entries related to building TOOLS to a subdirectory Makefile
Merged-by: James Almer <jamrial@gmail.com>
* commit '4104cc56225f29ce1cded8b2876f8748460232a6':
build: Warn that reconfiguration is necessary if version.h files changed
Merged-by: James Almer <jamrial@gmail.com>
* commit 'f22da2cdf90dc892d483e2d4003cffc0500816f6':
configure: add -fPIE instead of -pie to C flags for ThreadSanitizer
This commit is a noop, see 3f55752cd5
Merged-by: James Almer <jamrial@gmail.com>
* commit '404cb74793284aa03e2e1a7e911c980c4cba0e9e':
configure: Pass CFLAGS_HEADERS through the right CFLAGS filter
Merged-by: James Almer <jamrial@gmail.com>
* commit '9265364bec0af2e8b7c3a6de7bfc8291a0b70bca':
build: Separate avisynth and avxsynth support
Mostly noop, since it could break linux configure with --enable-avisynth,
and the configure code which was simplified isn't even present in
ffmpeg.
Only merged the cosmetic re-ordering in the Makefile.
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
The custom callback can cause significant CPU usage on Windows for some large
files with many index entries for some reason.
v2: Move check after parsing options.
Signed-off-by: Marton Balint <cus@passwd.hu>
Aaron Levinson
Marton Balint
Paul B Mahol
Carl Eugen Hoyos
Steven Liu
Rostislav Pehlivanov
James Almer
Hendrik Leppkes
Matthew Gregan
Michael Niedermayer