Modify ffmpeg alloc to 4kB alignment if QSV is enabled and >1MB buffe… #778
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…r is allocated; required for HW-enabled copy in GPU.
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@xhaihao @feiwan1 @xuguangxin : Can you make a review? |
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…r is allocated; required for HW-enabled copy in GPU.
This give even up to 18% better performance
In case of running e.g. such command:
ffmpeg
-qsv_device /dev/dri/renderD128 -hwaccel qsv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-pix_fmt yuv422p10le -video_size 1920x1080 -i /videos/1920x1080p10le_1.yuv
-filter_complex "[0:v]hwupload,scale_qsv=iw/4:ih/4[out0];
[1:v]hwupload,scale_qsv=iw/4:ih/4[out1];
[2:v]hwupload,scale_qsv=iw/4:ih/4[out2];
[3:v]hwupload,scale_qsv=iw/4:ih/4[out3];
[4:v]hwupload,scale_qsv=iw/4:ih/4[out4];
[5:v]hwupload,scale_qsv=iw/4:ih/4[out5];
[6:v]hwupload,scale_qsv=iw/4:ih/4[out6];
[7:v]hwupload,scale_qsv=iw/4:ih/4[out7];
[8:v]hwupload,scale_qsv=iw/4:ih/4[out8];
[9:v]hwupload,scale_qsv=iw/4:ih/4[out9];
[10:v]hwupload,scale_qsv=iw/4:ih/4[out10];
[11:v]hwupload,scale_qsv=iw/4:ih/4[out11];
[12:v]hwupload,scale_qsv=iw/4:ih/4[out12];
[13:v]hwupload,scale_qsv=iw/4:ih/4[out13];
[14:v]hwupload,scale_qsv=iw/4:ih/4[out14];
[15:v]hwupload,scale_qsv=iw/4:ih/4[out15];
[out0][out1][out2][out3]
[out4][out5][out6][out7]
[out8][out9][out10][out11]
[out12][out13][out14][out15]
xstack_qsv=inputs=16:
layout=xstack=inputs=16:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2|w0_0|w0_h0|w0_h0+h1|w0_h0+h1+h2|w0+w4_0|w0+w4_h0|w0+w4_h0+h1|w0+w4_h0+h1+h2|w0+w4+w8_0|w0+w4+w8_h0|w0+w4+w8_h0+h1|w0+w4+w8_h0+h1+h2,
format=y210le,format=yuv422p10le"
/videos/recv_1920x1080p10le.yuv