[MPlayer-users] Subtitles in ogg streams: subdelay does not work

[Robert R. Wal]

On 02.11.14 Yourself pressed the following keys:

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Well, i've noticed that the subtitles in an ogm file cannot be shifted
> using -subdelay or during playback using z and x. I don't know if this
> is due to the way they are stored in the ogm, or it is a bug of mplayer.

The reason is the way they are stored in OGM. Mplayer simply puts
onscreen the subtitles that suddenly appear in the movie stream.

> the ogm was created using:
> 
> 1. mplayer <file> -vo null -hardframedrop -ao pcm -aofile dummy.wav
> 2. oggenc dummy.wav -q0.5 audio.ogg
> 3. ogmmerge -o movie.ogm -A <file> audio.ogg subs.srt
> 
> I know i can shift the subs by -dumpsrtsub them shifted but this is not
> practical for this case as in the middle of file, there is some damage
> and the subs must be shifted manually. But when I inserted the subs in
> the ogm, I couldn't do that anymore. Any ideas?

Use -s switch in ogmmerge. It works for subtitle streams too.

Robert

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