On date Tuesday 2015-02-03 13:16:00 -0800, Luke Paone wrote: > Hi, > > I am running into some issues when splitting and then concatenating files > using ffmpeg. > > I am using the following command line to split the files: [...] > Here is the FFPROBE out put for 2 frames after the merge: > > ... > [FRAME] > media_type=video > key_frame=0 > pkt_pts=24958 > pkt_pts_time=24.958000 > pkt_dts=24958 > pkt_dts_time=24.958000 > best_effort_timestamp=24958 > best_effort_timestamp_time=24.958000 > pkt_duration=N/A > pkt_duration_time=N/A > pkt_pos=18554505 > pkt_size=25065 > width=1920 > height=1080 > pix_fmt=yuv420p > sample_aspect_ratio=1:1 > pict_type=P > coded_picture_number=0 > display_picture_number=0 > interlaced_frame=0 > top_field_first=0 > repeat_pict=0 > [/FRAME] > [FRAME] > media_type=video > key_frame=1 > pkt_pts=24958 > pkt_pts_time=24.958000 > pkt_dts=24958 > pkt_dts_time=24.958000 > best_effort_timestamp=24958 > best_effort_timestamp_time=24.958000 > pkt_duration=N/A > pkt_duration_time=N/A > pkt_pos=18579594 > pkt_size=98654 > width=1920 > height=1080 > pix_fmt=yuv420p > sample_aspect_ratio=1:1 > pict_type=I > coded_picture_number=0 > display_picture_number=0 > interlaced_frame=0 > top_field_first=0 > repeat_pict=0 > [/FRAME]
My guess is that it could be related to the fact that there is no frame/packet duration in the first frame. The frame duration can only be guessed from the next frame (it will be pts2-pts1), but that information is lost when segmenting the file. I think you should file an issue on trac, possibly providing a sample and a reproducible use-case. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user