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color equalizer for tv input

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9664 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
henry 2003-03-23 15:05:14 +00:00
parent ca400daaf6
commit f7756121ee
4 changed files with 28 additions and 4 deletions
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4
cfg-common.h
View File

@ -277,6 +277,10 @@ struct config tvopts_conf[]={
{"outfmt", &tv_param_outfmt, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"fps", &tv_param_fps, CONF_TYPE_FLOAT, 0, 0, 100.0, NULL},
{"channels", &tv_param_channels, CONF_TYPE_STRING_LIST, 0, 0, 0, NULL},
{"brightness", &tv_param_brightness, CONF_TYPE_INT, CONF_RANGE, -100, 100, NULL},
{"contrast", &tv_param_contrast, CONF_TYPE_INT, CONF_RANGE, -100, 100, NULL},
{"hue", &tv_param_hue, CONF_TYPE_INT, CONF_RANGE, -100, 100, NULL},
{"saturation", &tv_param_saturation, CONF_TYPE_INT, CONF_RANGE, -100, 100, NULL},
#ifdef HAVE_TV_V4L
{"amode", &tv_param_amode, CONF_TYPE_INT, CONF_RANGE, 0, 3, NULL},
{"volume", &tv_param_volume, CONF_TYPE_INT, CONF_RANGE, 0, 65535, NULL},

10
libmpdemux/tv.c
View File

@ -71,6 +71,10 @@ int tv_param_alsa = 0;
#endif
char* tv_param_adevice = NULL;
#endif
int tv_param_brightness = 0;
int tv_param_contrast = 0;
int tv_param_hue = 0;
int tv_param_saturation = 0;
/* ================== DEMUX_TV ===================== */
/*
@ -443,6 +447,12 @@ int demux_open_tv(demuxer_t *demuxer)
/* set height */
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
/* set color eq */
tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tv_param_brightness);
tv_set_color_options(tvh, TV_COLOR_HUE, tv_param_hue);
tv_set_color_options(tvh, TV_COLOR_SATURATION, tv_param_saturation);
tv_set_color_options(tvh, TV_COLOR_CONTRAST, tv_param_contrast);
demuxer->video->sh = sh_video;
sh_video->ds = demuxer->video;
demuxer->video->id = 0;

4
libmpdemux/tv.h
View File

@ -42,6 +42,10 @@ extern int tv_param_alsa;
#endif
extern char* tv_param_adevice;
#endif
extern int tv_param_brightness;
extern int tv_param_contrast;
extern int tv_param_hue;
extern int tv_param_saturation;
typedef struct tvi_info_s
{

14
libmpdemux/tvi_v4l.c
View File

@ -929,6 +929,12 @@ static int start(priv_t *priv)
return(1);
}
// 2nd order polynomial with p(-100)=0, p(100)=65535, p(0)=y0
static int poly(int x, int y0)
{
return ((65535-2*y0)*x*x+6553500*x+20000*y0)/20000;
}
static int control(priv_t *priv, int cmd, void *arg)
{
mp_msg(MSGT_TV, MSGL_DBG2, "\ndebug: control(priv=%p, cmd=%d, arg=%p)\n",
@ -1042,19 +1048,19 @@ static int control(priv_t *priv, int cmd, void *arg)
}
return(TVI_CONTROL_TRUE);
case TVI_CONTROL_VID_SET_BRIGHTNESS:
priv->picture.brightness = (int)*(void **)arg;
priv->picture.brightness = 65535*((int)*(void **)arg+100)/200;
control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
return(TVI_CONTROL_TRUE);
case TVI_CONTROL_VID_SET_HUE:
priv->picture.hue = (int)*(void **)arg;
priv->picture.hue = 65535*((int)*(void **)arg+100)/200;
control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
return(TVI_CONTROL_TRUE);
case TVI_CONTROL_VID_SET_SATURATION:
priv->picture.colour = (int)*(void **)arg;
priv->picture.colour = 65535*((int)*(void **)arg+100)/200;
control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
return(TVI_CONTROL_TRUE);
case TVI_CONTROL_VID_SET_CONTRAST:
priv->picture.contrast = (int)*(void **)arg;
priv->picture.contrast = poly((int)*(void **)arg, 24576);
control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
return(TVI_CONTROL_TRUE);
case TVI_CONTROL_VID_GET_FPS: