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author | nick <nick@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-01-19 08:19:00 +0000 |
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committer | nick <nick@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-01-19 08:19:00 +0000 |
commit | 4e3acc51b64df7d0c74c23a7027d7a32e8f9f672 (patch) | |
tree | 3b7f9d7eee9dc469851c6fd3b85fc462f504f227 /vidix | |
parent | 1a1fb545a77d813d21664ff461d663baa1946494 (diff) | |
download | mpv-4e3acc51b64df7d0c74c23a7027d7a32e8f9f672.tar.bz2 mpv-4e3acc51b64df7d0c74c23a7027d7a32e8f9f672.tar.xz |
gamma correction (preliminary version).
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4251 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'vidix')
-rw-r--r-- | vidix/drivers/mga_vid.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/vidix/drivers/mga_vid.c b/vidix/drivers/mga_vid.c index b86bb67b0b..b4e8add799 100644 --- a/vidix/drivers/mga_vid.c +++ b/vidix/drivers/mga_vid.c @@ -1457,3 +1457,30 @@ int vixSetGrKeys(const vidix_grkey_t *grkey) memcpy(&mga_grkey, grkey, sizeof(vidix_grkey_t)); return(0); } + +#ifdef TEST_ME_PLEASE +vidix_video_eq_t equal = { 0, 0, 0, 0, 0, 0, 0, 0 }; +int vixPlaybackSetEq( const vidix_video_eq_t * eq) +{ + uint32_t beslumactl; + int brightness,contrast; + memcpy(&equal,eq,sizeof(vidix_video_eq_t)); + //Enable contrast and brightness control + writel(readl(mga_mmio_base + BESGLOBCTL) & ~((1<<5) + (1<<7)),mga_mmio_base + BESGLOBCTL); + brightness = (equal.brightness * 128) / 1000; + if(brightness < -128) brightness = -128; + if(brightness > 127) brightness = 127; + contrast = ((equal.contrast + 1000) * 128) / 1000; + if(contrast < 0) contrast = 0; + if(contrast > 255) contrast = 255; + beslumactl = ((brightness & 0xff) << 16) | (contrast & 0xff); + writel(beslumactl,mga_mmio_base + BESLUMACTL); + return 0; +} + +int vixPlaybackGetEq( vidix_video_eq_t * eq) +{ + memcpy(eq,&equal,sizeof(vidix_video_eq_t)); + return 0; +} +#endif |