• Zhong Li's avatar
    lavf/qsvvpp: add extra_hw_frames support · ef56c28b
    Zhong Li authored
    extra_hw_frames is needed for some cases.
    (eg: qsv decoding + qsv vpp + qsv look_ahead encoding, transcoding
     failed if no extra_hw_frames supported:
     ffmpeg -hwaccel qsv -c:v h264_qsv -i bbb_sunflower_1080p_30fps_normal_2000frames.mp4 \
    -vf vpp_qsv=w=1280:h=720:extra_hw_frames=100 -v verbose  -c:v h264_qsv \
    -look_ahead 1 -look_ahead_depth 100 out1.mp4
    )
    Signed-off-by: 's avatarZhong Li <zhong.li@intel.com>
    ef56c28b
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