In some AnnexB bitstreams sps/pps appear in every I frame. Removedupheader - Remove duplicated sps/pps.
Removeaud - Remove access unit delimiters, which is useless outside BD player. This can be used to remove user data and HRD timing info. Ref=x - Set number of reference frames to x 30 for 元.0, 41 for L4.1)Ĭrop=x:y - Crop x pixels from right and y pixels from bottom (e.g. Sar=x:y - Set sar to x:y, 0:0 will remove sar infoįps=x:y - Set fps to x/y in cfr mode or set timebase to y/x in vfr mode Note this is a demuxer/muxer only ffmpeg build.įfmpeg -i infile -vcodec copy -acodec copy -vbsf h264_changesps=arg1] outfile Since the length of bitstream may be changed, I cannot make an in-place modifier. So far it can change sar, fps, crop information, level, ref frames, cfr/vfr flag, fullrange flag, colorprim, transfer and colormatrix.
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