On Tue, Jun 09, 2020 at 14:00:56 -0700, Ming Tu wrote: > ffmpeg version 3.2.14-1~deb9u1 Copyright (c) 2000-2019 the FFmpeg developers
This version is (functionally) almost ancient. Could you please retry with latest git? You can grab a static binary here: https://johnvansickle.com/ffmpeg/ (Left column, git master.) > [mov,mp4,m4a,3gp,3g2,mj2 @ 0x56129aff3f80] stream 1, offset 0x30: partial file > [mov,mp4,m4a,3gp,3g2,mj2 @ 0x56129aff3f80] Could not find codec parameters > for stream 0 (Video: h264 (avc1 / 0x31637661), none, 1280x720, 1041 kb/s): > unspecified pixel format > Consider increasing the value for the 'analyzeduration' and 'probesize' > options Did you try these options recommended here? (Even though I'm sure if that was the problem, the other version of your comand wouldn't work either.) Cheers, Moritz _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".