[MPlayer-users] Limiting screenshot rate during video playback
vogt at linux.vnet.ibm.com
Wed May 14 12:21:56 CEST 2014
$ mplayer -vf screenshot foo.m3u8
to play a video (Linux). The console says
VIDEO: [H264] 1024x480 0bpp 25.000 fps 0.0 kbps ( 0.0 kbyte/s)
AUDIO: 48000 Hz, 1 ch, s16le, 0.0 kbit/0.00% (ratio: 0->96000)
So, the video stream has a frame rate of 25 fps. When I press
shift-s to generate shreenshots continuously, mplayer generates 25
screenshots per second, as expected.
However, in the original video stream, two or three consecutive
frames are identical (same image). So I could save a lot of disk
space if only half as many screenshots per second were generated.
Is there a way to limit the number of screenshots per second
without affecting the actual playback speed?
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