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Diffstat (limited to 'DOCS/tech')
| -rw-r--r-- | DOCS/tech/libvo.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/DOCS/tech/libvo.txt b/DOCS/tech/libvo.txt index f41fabff9f..b1ee6811fa 100644 --- a/DOCS/tech/libvo.txt +++ b/DOCS/tech/libvo.txt @@ -80,6 +80,16 @@ Each vo driver _has_ to implement these: So, you can check for vo_config_count>0 in uninit() when freeing resources allocated in config() to avoid crash! + You should call geometry() in config() to enable user defined + window size and position. The code should look as following: + --- + set x,y,w,h to the values supplied by the caller or to those you deam + usefull. + call geometry(&x, &y, &w, &h, screenw, screenh) + call aspect() + --- + see libvo/geometry.c for further information + draw_slice(): this displays YV12 pictures (3 planes, one full sized that contains brightness (Y), and 2 quarter-sized which the colour-info (U,V). MPEG codecs (libmpeg2, opendivx) use this. This doesn't have |