[FFmpeg-user] Copying a matroska container including the attachement

Hi there, What would(should?) be the right command to copy an mkv file (including the attachment). I tried a naive: ffmpeg -i input.mkv -map 0 -map_metadata 0 -c copy output.mkv The attachment information gets lost (the jpg seems to be still there though). Thanks, -- Mathieu

Re: [FFmpeg-user] metadata: 'date' behavior in avi/mp4 vs mkv containers

On Wed, Dec 2, 2020 at 9:26 AM Mathieu Malaterre wrote: > > Hi there, > > I am trying to find the documentation for a specific metadata tag: > 'date'. According to the following page: > > * https://wiki.multimedia.cx/index.php/FFmpeg_Metadata Here is a small repro

Re: [FFmpeg-user] MKV To MP4

John, On Thu, Dec 3, 2020 at 9:51 AM John Henderson via ffmpeg-user wrote: > > Hi there, > > I am not sure whether this is a windows media player issue or FFMPEG. I am > using ffmpeg to capture the screen and record audio, whilst playing games. > It does a great job and I save the file as an

[FFmpeg-user] metadata: 'date' behavior in avi/mp4 vs mkv containers

Hi there, I am trying to find the documentation for a specific metadata tag: 'date'. According to the following page: * https://wiki.multimedia.cx/index.php/FFmpeg_Metadata ffmpeg has a built-in mechanism for tag: 'title'. I also see that my ffmpeg version has the same property for tag 'date'

Re: [FFmpeg-user] 2nd pass has more frames than 1st pass (99021)2kbits/s dup=27 drop=0 speed=4.76x

On Tue, Dec 1, 2020 at 12:42 AM Carl Eugen Hoyos wrote: > > Am Mo., 30. Nov. 2020 um 08:57 Uhr schrieb Mathieu Malaterre > : > > > > > $ ffmpeg -y -i input.avi -c:v libx264 -b:v 1321894 -pass 1 -an -f null > > > > /dev/null && \ > > > >

Re: [FFmpeg-user] 2nd pass has more frames than 1st pass (99021)2kbits/s dup=27 drop=0 speed=4.76x

Carl Eugen, Thanks for taking the time to answer my questions. On Sun, Nov 29, 2020 at 7:40 PM Carl Eugen Hoyos wrote: > > Am So., 29. Nov. 2020 um 16:32 Uhr schrieb Mathieu Malaterre > : > > > $ ffmpeg -y -i input.avi -c:v libx264 -b:v 1321894 -pass 1 -an -f null > > /

[FFmpeg-user] 2nd pass has more frames than 1st pass (99021)2kbits/s dup=27 drop=0 speed=4.76x

Hi there, I am staring at the following guide to re-encode an existing avi (mpeg4+mp3) into MP4 (h264+aac): https://trac.ffmpeg.org/wiki/Encode/H.264#twopass My video is such that: $ ffprobe -show_streams -show_format -print_format json -i input.avi [...] Input #0, avi, from 'input.avi':

Re: [FFmpeg-user] Repair/Fix an mpeg4 bitstream

Carl Eugen, On Thu, Nov 26, 2020 at 10:51 PM Carl Eugen Hoyos wrote: > > Am Do., 26. Nov. 2020 um 08:58 Uhr schrieb Mathieu Malaterre > : > > > I am trying to repair an mpeg4 (mastroka container with mpeg4+mp3) > > movie. The movie runs smoothly when played with mpv,

[FFmpeg-user] Repair/Fix an mpeg4 bitstream

Hi there, I am trying to repair an mpeg4 (mastroka container with mpeg4+mp3) movie. The movie runs smoothly when played with mpv, but appears to have a different frame rate when played with ffplay. Is there a magical option to fix/repair this file ? If not how do I re-encode it as-close as