Am 19.04.19 um 14:35 schrieb Paul B Mahol: >> Do I really need the init function, as it has to do nothing in my case? > If it does nothing, you can safely remove it.
Thanks! >> For performance testing I use the like: >> -f rawvideo -pix_fmt gray16 -s 400x600 -i /dev/zero >> >> Are there doubts if that is good either? > Use ffmpeg -f lavfi -i color=color=black:size=400x600 ... > > Thing about /dev/zero and -f rawvideo is that it will decode zeroes > over and over again and thus use more CPU for that. Thanks again for the hint. For my tests I use different formats: test[i++]="3-plane 8-bit YUV-420: -pix_fmt yuv420p" test[i++]="3-plane 16-bit YUV-420: -pix_fmt yuv420p16" test[i++]="3-plane 16-bit YUV-444: -pix_fmt yuv444p16" test[i++]="1-plane 8-bit Y-400: -pix_fmt gray" test[i++]="1-plane 16-bit Y-400: -pix_fmt gray16" test[i++]="4-plane 16-bit RGBA-444: -pix_fmt rgba64" What could be the expressions with "-f lavfi"? -Ulf _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
