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Signed-off-by: Chuanbo Weng <chuanbo.weng@intel.com>
Reviewed-by: Yang Rong <rong.r.yang@intel.com>
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This example captures yuy2 frame directly to cl buffer object by the way
of dma, processed by OpenCL kernel, then convert to nv12 format and
shown by libva.
v2:
Close cl buffer's fd by clCloseMemObjectFdIntel instead of close
function.
v3:
Just use close function, no need of clCloseMemObjectFdIntel.
v4:
Some modifcation of examples/CMakeLists.txt after code rebase.
Signed-off-by: Chuanbo Weng <chuanbo.weng@intel.com>
Reviewed-by: Yuan, Feng <feng.yuan@intel.com>
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We check the content of thirdparty/libva by ls command to determine
to clone submodule or not, so use OUTPUT_VARIABLE instead of
RESULT_VARIABLE.
Signed-off-by: Chuanbo Weng <chuanbo.weng@intel.com>
Reviewed-by: "Yang, Rong R" <rong.r.yang@intel.com>
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I found EXEC_PROMGRAM may truncate the output variable for some case
thus we may get incorrect generated unit test cases thus break the
configuration some times.
This patch use EXECUTE_PROCESS to replace all the deprecated EXEC_PROGRAM
and it will not truncate the output variable of the command.
v2:
fix the error in examples/CMakeLists.txt.
Signed-off-by: Zhigang Gong <zhigang.gong@intel.com>
Tested-by: "Meng, Mengmeng" <mengmeng.meng@intel.com>
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clCreateImageFromLibvaIntel.
This example reads a source nv12 file to a VASurface, and creates a
target
VASurface. Then creates corresponding cl image objects from them. After
using ocl to do mirror effect post-processing on source VASurface,
target
VASurface is shown on screen by default.
Code of loading nv12 file to VASurface are referenced from
libva/test/encode/avcenc.c.
v2:
Delete 1920x1080.nv12 and 640x480.nv12 because of large size, add
256_128.nv12 as default test image.
v3:
1. Re-org files: add libva as a submodule then use display related
files.
2. Show result on screen by default instead of saving as a file.
3. Fix warnings.
v4: Fix whitespace format warnings.
v5:
1. Modify upload_nv12_to_surface to read a nv12 file and then upload
it to an NV12 VASurface. Also modify store_surface_to_nv12.
2. Change the cl post-processing kernel from gray effect to mirror
effect, which make demo cooler.
3. Minor fix of other problems.
v6: Remove unnecessary OUTPUT_NV12_DEFAULT related code.
Signed-off-by: Chuanbo Weng <chuanbo.weng@intel.com>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: "Guo, Yejun" <yejun.guo@intel.com>
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Signed-off-by: Zhigang Gong <zhigang.gong@intel.com>
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