diff options
Diffstat (limited to 'libmpdemux/tv.c')
-rw-r--r-- | libmpdemux/tv.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libmpdemux/tv.c b/libmpdemux/tv.c index 9c93624e38..685b70e01a 100644 --- a/libmpdemux/tv.c +++ b/libmpdemux/tv.c @@ -284,4 +284,86 @@ int tv_uninit(tvi_handle_t *tvh) { return(tvh->functions->uninit(tvh->priv)); } + +/* utilities for mplayer (not mencoder!!) */ +int tv_set_color_options(tvi_handle_t *tvh, int opt, int value) +{ + tvi_functions_t *funcs = tvh->functions; + + switch(opt) + { + case TV_COLOR_BRIGHTNESS: + if (value == 50) + value = 32768; + if (value > 50) + { + value *= 100; + value += 32768; + } + if (value < 50) + { + int i; + value *= 100; + i = value; + value = 32768 - i; + } + funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value); + break; + case TV_COLOR_HUE: + if (value == 50) + value = 32768; + if (value > 50) + { + value *= 100; + value += 32768; + } + if (value < 50) + { + int i; + value *= 100; + i = value; + value = 32768 - i; + } + funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value); + break; + case TV_COLOR_SATURATION: + if (value == 50) + value = 32512; + if (value > 50) + { + value *= 100; + value += 32512; + } + if (value < 50) + { + int i; + value *= 100; + i = value; + value = 32512 - i; + } + funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value); + break; + case TV_COLOR_CONTRAST: + if (value == 50) + value = 27648; + if (value > 50) + { + value *= 100; + value += 27648; + } + if (value < 50) + { + int i; + value *= 100; + i = value; + value = 27648 - i; + } + funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value); + break; + default: + mp_msg(MSGT_TV, MSGL_WARN, "Unknown color option (%d) specified!\n", opt); + } + + return(1); +} #endif /* USE_TV */ |