> Am 24.04.2020 um 19:34 schrieb pdr0 <p...@shaw.ca>: > > Carl Eugen Hoyos-2 wrote >>> Am 24.04.2020 um 11:10 schrieb Mark Filipak < > >> markfilipak.windows+ffmpeg@ > >> >: >>> >>> I've been told that, for soft telecined video the decoder is fully >>> compliant and therefore outputs 30fps >> >> (“fps” is highly ambiguous in this sentence.) >> >> This is not correct. >> I believe I told you some time ago that this is not how the decoder >> behaves. I believe such a behaviour would not make sense for FFmpeg >> (because you cannot connect FFmpeg’s output to an NTSC CRT). The telecine >> filter would not work at all if above were the case. >> Or in other words: FFmpeg outputs approximately 24 frames per second for >> typical soft-telecined program streams. >> >> The only thing FFmpeg does to be “compliant” is to forward the correct >> time base. > > > If you use direct encode, no filters, no switches, the output from soft > telecine input video is 29.97p, where every 5th frame is a duplicate
No > e.g > ffmpeg -i input.mpeg -c:v rawvideo -an output.yuv (Consider to test with other output formats.) > But you can "force" it to output 23.976p by using -vf fps > > Is this what you mean by "forward the correct time base" ? No. Carl Eugen _______________________________________________ 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".