Set video rotation without reencoding: Source ffmpeg -i input.mp4 -c copy -metadata:s:v:0 rotate=90 output.mp4Ħ. Add more key frame: Source ffmpeg -i Android_Test_Source.mp4 -force_key_frames "expr:gte(t,n_forced*0.05)" out5.mp4Ĥ. Or Source ffprobe -show_packets -print_format compact -select_streams v:0 filename | grep flags=Kģ.
Or Source ffprobe -select_streams v:0 -show_frames goptest.mov |grep key_frame|less Source ffprobe -i input.mp4 -select_streams v -show_frames -of csv -show_entries frame=pict_type Sample command to show GOP / I frame structure using ffprobe (hit q to cancel the output): y: Overwrite output files without asking.Ģ.
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