Hi:
I have been reported that the setting the profile, level and bitrate
through the v4l2 extra controls would not make the encoded result
different. I tried it recently, it is true. Although the h264 parser
would tell me the result have been applied as different h264 profile and
level, but size is the same.
You may try this in Gstreamer.
gst-launch-1.0 -v \
videotestsrc num-buffers=500 ! video/x-raw, width=1920,height=1080 ! \
videoconvert ! \
v4l2video4h264enc
extra-controls="controls,h264_profile=1,video_bitrate=100;" ! \
h264parse ! matroskamux ! filesink location=/tmp/1.mkv
Is there any way to reduce the size of MFC encoded data?
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