| Commit message (Collapse) | Author | Age |
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Class name is used in show_help_children(avfilter_get_class(),...)
to prompt the available filters.
$ ffmpeg -h full
Before:
qsvscale AVOptions:
After:
scale_qsv AVOptions:
Signed-off-by: Linjie Fu <linjie.fu@intel.com>
Signed-off-by: Zhong Li <zhongli_dev@126.com>
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Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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32 bytes alignment is not needed and increases the failure possibilty of
SFC (low power scaling mode)
Signed-off-by: Zhong Li <zhong.li@intel.com>
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low_power mode will use a fixed HW engine (SFC), thus can offload EU usage.
high quality mode will take EU usage (AVS sampler).
Performance and EU usage (Render usage) comparsion on Intel(R) Xeon(R) CPU E3-1225 v5 @ 3.30GHz:
High quality mode : ffmpeg -hwaccel qsv -c:v h264_qsv -i bbb_sunflower_1080p_30fps_normal_2000frames.h264 \
-vf scale_qsv=w=1280:h=736:mode=hq -f null -
fps=389
RENDER usage: 28.10 (provided by MSDK metrics_monitor)
Low Power mode: ffmpeg -hwaccel qsv -c:v h264_qsv -i ~/bbb_sunflower_1080p_30fps_normal_2000frames.h264 \
-vf scale_qsv=w=1280:h=736:mode=low_power -f null -
fps=343
RENDER usage: 0.00
Low power mode (SFC) may be disabled if not supported by
MSDK/Driver/HW, and replaced by AVS mode interanlly.
Signed-off-by: Zhong Li <zhong.li@intel.com>
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Signed-off-by: Zhong Li <zhong.li@intel.com>
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* commit 'e05e5920a4e1f1f15cc8a7c843159d519f6ec18e':
qsv: Error out if getting session handle failed in avfilter
Merged-by: James Almer <jamrial@gmail.com>
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Solve some issues found by an automated code scansion.
Suppress the complain "variables 'handle' is used but maybe
uninitialized".
Signed-off-by: Zhong Li <zhong.li@intel.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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* commit 'cca5e4f040971db6de0bfe6968f00c021d8a9c42':
qsv: adding Multi Frame Encode support
Merged-by: James Almer <jamrial@gmail.com>
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Starting from API 1.25 helps to improve performance of the simultaneous
encode, 1:N scenario, like:
./avconv -y -hwaccel qsv -c:v h264_qsv -r 30000/1001 -i
~/bbb_sunflower_1080p_60fps_normal.mp4 -vframes 600 -an \
-filter_complex "split=2[s1][s2]; [s1]scale_qsv=1280:720[o1];
[s2]scale_qsv=960:540[o2]" \
-map [o1] -c:v h264_qsv -b:v 3200k -minrate 3200k -maxrate 3200k -f
rawvideo /tmp/3200a.264 \
-map [o2] -c:v h264_qsv -b:v 1750k -minrate 1750k -maxrate 1750k -f
rawvideo /tmp/1750a.264
Signed-off-by: Maxym Dmytrychenko <maxim.d33@gmail.com>
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* commit 'e4cdef00263dc8b3c8de9d34ceacd00dc68979c0':
vf_scale_qsv: Support increasing hardware frame pool size
Merged-by: Mark Thompson <sw@jkqxz.net>
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The deinterlacer does not change, because it does not allocate any new
frames (for output it uses the same pool as the input).
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit 'e3fb74f7f9a8f1895381355f40c92cac3c1023d9':
lavfi: Always propagate hw_frames_ctx through links
Merged-by: Matthieu Bouron <matthieu.bouron@gmail.com>
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Also adds a new flag to mark filters which are aware of hwframes and
will perform this task themselves, and marks all appropriate filters
with this flag.
This is required to allow software-mapped hardware frames to work,
because we need to have the frames context available for any later
mapping operation in the filter graph.
The output from the filter graph should only propagate further to an
encoder if the hardware format actually matches the visible format
(mapped frames are valid here and have an hw_frames_ctx, but this
should not be given to the encoder as its hardware context).
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* commit '7e2561fa8313982aa21f7657953eedeeb33b210d':
lavfi: Use ff_get_video_buffer in all filters using hwframes
vf_hwupload_cuda: Fix build error
Merged-by: Matthieu Bouron <matthieu.bouron@gmail.com>
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This merges libav commit ac7bfd69678f3966e38debdb27f4bde94dc0345c,
which was previously skipped.
(cherry picked from commit ac7bfd69678f3966e38debdb27f4bde94dc0345c)
Signed-off-by: Mark Thompson <sw@jkqxz.net>
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