Re: [FFmpeg-user] Retain but don't playback frames outside of edit list for transcode

2024-05-07 Thread Gyan Doshi
On 2024-05-08 08:55 am, Anne Wu via ffmpeg-user wrote: Hi, Looking for some guidance on if handling edit-lists this way is possible. I recently ran into a situation where I need to transcode videos that include edit lists. The edit-list specifies to drop the first few frames of the video, and

[FFmpeg-user] Retain but don't playback frames outside of edit list for transcode

2024-05-07 Thread Anne Wu via ffmpeg-user
Hi, Looking for some guidance on if handling edit-lists this way is possible. I recently ran into a situation where I need to transcode videos that include edit lists. The edit-list specifies to drop the first few frames of the video, and thus the output ends up with fewer frames than the

[FFmpeg-user] Why cuts & concats sometimes don't work

2024-05-07 Thread Mark Filipak
Hi All, I'm still investigating why cuts & concats sometimes don't work. I've found that sometimes open GOPs are physically in PTS order & sometimes in DTS order. I reckon that's part/all of the problem. I have some questions. Command #1: ffmpeg -i y:\VIDEO_TS\VTS_03_2.VOB -map 0 -copyts -c

Re: [FFmpeg-user] A53 Captions Garbled If Frame Duplication Occurs

2024-05-07 Thread Dennis Mungai
On Tue, 7 May 2024 at 18:21, Devin Heitmueller < devin.heitmuel...@ltnglobal.com> wrote: > Hi Shane, > > On Fri, May 3, 2024 at 5:48 PM Shane Warren wrote: > > > > I ingest some multicast video that has a53 captions embedded in h264 > video, the video claims to have a framerate of 29.97 but it

Re: [FFmpeg-user] A53 Captions Garbled If Frame Duplication Occurs

2024-05-07 Thread Devin Heitmueller
Hi Shane, On Fri, May 3, 2024 at 5:48 PM Shane Warren wrote: > > I ingest some multicast video that has a53 captions embedded in h264 video, > the video claims to have a framerate of 29.97 but it must not quite be that > because ffmpeg duplicates frames when transcoding this stream. The output