Diff for "grupper/video/tips"

Differences between revisions 1 and 7 (spanning 6 versions)

Sum up audio-channels of a DV file:

 ffmpeg -i <dvfile>  -ac 1   intermadiate.wav
 ffmpeg -i <dvfile>  -i intermediate.wav   -map 0:0 -map 1:0 -ac 2 -f dv <dvfile>-dual-mono.dv

Takes a still image like a jpg or png and you can use it as a source in dvswitch

ffmpeg -loop_input -f image2 -i <PATH TO IMAGE> -target pal-dv - | dvsource-file /dev/stdin

dvsink-command -- vlc -

-  ⇤ ← Revision 1 as of 2010-04-21 11:13:24 → 
  Size: 215
  Editor: Jarle
  Comment:
+   ← Revision 7 as of 2010-11-12 00:04:06 → ⇥
  Size: 543
  Editor: HansPetterFjeld
  Comment: feedback til sekundær kameramonitor
-Deletions are marked like this.
+Additions are marked like this.
 Line 3:
-Sum up channels of a DV file:
+Sum up audio-channels of a DV file:
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+{{{
-Line 6:
+Line 7:
- ffmpeg -i <dvfile>  -i intermediate.wav   -map 0:0 -map 1:0 -ac 2 -f dv <dvfile>-mono.dv
+ ffmpeg -i <dvfile>  -i intermediate.wav   -map 0:0 -map 1:0 -ac 2 -f dv <dvfile>-dual-mono.dv
}}}

=== Streaming still image ===

Takes a still image like a jpg or png and you can use it as a source in dvswitch

{{{
ffmpeg -loop_input -f image2 -i <PATH TO IMAGE> -target pal-dv - | dvsource-file /dev/stdin
}}}

=== Feedback til sekundær-kameramonitor ===

{{{
dvsink-command -- vlc -
}}}