2017-10-19 19:28 GMT+02:00 Christian Johannesen <chrisjohanne...@gmail.com>:
> I tested this using FFmpeg running on a windows server with fiber channel > attached storage. I am able to duplicate the input file at a rate of > 460MB/sec. I tested joining two 6 minute 48 second DNxHR SQ 8bit sources at > 3840x2160 23.98 fps with this command: ffmpeg.exe -f concat -safe 0 -i > C:\FFMPEG\concat.txt -c:v copy -c:a copy > C:\Volumes\PTLabSAN\ChrisJ\DNxHR\out.mov. With this process, I achieved 126 > fps. I would suspect the storage as the concat process only used 5% of my > CPU. This all makes sense, you could test with -loglevel debug that tells how many seeks FFmpeg made. Please remember never to cut FFmpeg's console output, Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
