matched as option 'map' (set input stream mapping) with argument '0:a'. matched as option 'filter_complex' (create a complex filtergraph) with argument 'split=2 scale_qsv=-1:720 scale_qsv=-1:480'. matched as input url with argument 'star_trails.vob'. matched as option 'c' (codec name) with argument 'mpeg2_qsv'. matched as option 'init_hw_device' (initialise hardware device) with argument 'qsv=hw'.

matched as option 'hwaccel' (use HW accelerated decoding) with argument 'qsv'. matched as option 'stdin' (enable or disable interaction on standard input) with argument 0. matched as option 'y' (overwrite output files) with argument '1'. matched as option 'loglevel' (set logging level) with argument 'debug'. I even tried with latest ffmpeg at 79934cc702fe1c90bfb58bb83ab20490b9d86e37įfmpeg -y -nostdin -hwaccel qsv -init_hw_device qsv=hw -c:v mpeg2_qsv -i star_trails.vob -filter_complex split=2 scale_qsv=-1:720 scale_qsv=-1:480 -map 0:a -c:a aac -b:a 128k -ar 44100 -ac 2 -async 1 -strict -2 audio.mp4 -map -c:v h264_qsv -vsync 1 -sc_threshold 0 -r 25 -g 150 -keyint_min 50 -maxrate 3M -bufsize 4M -max_muxing_queue_size 1024 -max_interleave_delta 0 720.mp4 -map -c:v h264_qsv -vsync 1 -sc_threshold 0 -r 25 -g 150 -keyint_min 50 -maxrate 1M -bufsize 2M -max_muxing_queue_size 1024 -max_interleave_delta 0 480.mp4įfmpeg version N-103286-g835eb0a Copyright (c) 2000-2021 the FFmpeg developersĬonfiguration: -prefix=/home/sas/maitreya/zpemedia_workspace/install -enable-shared -enable-vaapi -enable-libmfx -enable-gpl -enable-libx264 -enable-libx265 -disable-network -enable-gpl -enable-nonfree I recently switched from 4.1 from 4.4 version.

In ffmpeg 4.4, A green horizontal bar appears at the bottom of the output when scaling the video using scale_qsv.

H264_qsv