static void resize(void)
{
aspect(&vo_dwidth, &vo_dheight, vo_fs ? A_ZOOM : A_NOZOOM);
panscan_calc();
vo_dwidth += vo_panscan_x;
vo_dheight += vo_panscan_y;
mpgxSetSquare(vo_dwidth / 2.0, vo_dheight / 2.0);
}
static int control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
case VOCTRL_GET_IMAGE:
return get_image(data);
case VOCTRL_DRAW_IMAGE:
return draw_image(data);
case VOCTRL_SET_EQUALIZER:
{
va_list ap;
short value;
uint32_t luma,prev;
if ( strcmp( data,"brightness" ) && strcmp( data,"contrast" ) ) return VO_FALSE;
if (ioctl(f,MGA_VID_GET_LUMA,&prev)) {
perror("Error in mga_vid_config ioctl()");
mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_CouldNotGetLumaValuesFromTheKernelModule);
return VO_FALSE;
}
// printf("GET: 0x%4X 0x%4X \n",(prev>>16),(prev&0xffff));
va_start(ap, data);
value = va_arg(ap, int);
va_end(ap);
// printf("value: %d -> ",value);
value=((value+100)*255)/200-128; // maps -100=>-128 and +100=>127
// printf("%d \n",value);
if(!strcmp(data,"contrast"))
luma = (prev&0xFFFF0000)|(value&0xFFFF);
else
luma = (prev&0xFFFF)|(value<<16);
if (ioctl(f,MGA_VID_SET_LUMA,luma)) {
perror("Error in mga_vid_config ioctl()");
mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_CouldNotSetLumaValuesFromTheKernelModule);
return VO_FALSE;
}
return VO_TRUE;
}
case VOCTRL_GET_EQUALIZER:
{
va_list ap;
int * value;
short val;
uint32_t luma;
if ( strcmp( data,"brightness" ) && strcmp( data,"contrast" ) ) return VO_FALSE;
if (ioctl(f,MGA_VID_GET_LUMA,&luma)) {
perror("Error in mga_vid_config ioctl()");
mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_CouldNotGetLumaValuesFromTheKernelModule);
return VO_FALSE;
}
if ( !strcmp( data,"contrast" ) )
val=(luma & 0xFFFF);
else
val=(luma >> 16);
va_start(ap, data);
value = va_arg(ap, int*);
va_end(ap);
*value = (val*200)/255;
return VO_TRUE;
}
#ifndef VO_XMGA
case VOCTRL_FULLSCREEN:
if (vo_screenwidth && vo_screenheight)
mga_fullscreen();
else
mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_ScreenWidthHeightUnknown);
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
if ( !vo_fs ) return VO_FALSE;
return VO_TRUE;
#endif
#if defined(VO_XMGA) && defined(CONFIG_GUI)
case VOCTRL_GUISUPPORT:
return VO_TRUE;
#endif
#ifdef VO_XMGA
case VOCTRL_ONTOP:
vo_x11_ontop();
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
if ( !initialized || !vo_fs ) return VO_FALSE;
return VO_TRUE;
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen();
vo_panscan_amount=0;
/* indended, fallthrough to update panscan on fullscreen/windowed switch */
#endif
case VOCTRL_SET_PANSCAN:
if ( vo_fs && ( vo_panscan != vo_panscan_amount ) ) // || ( !vo_fs && vo_panscan_amount ) )
{
// int old_y = vo_panscan_y;
panscan_calc();
// if ( old_y != vo_panscan_y )
set_window();
}
return VO_TRUE;
}
return VO_NOTIMPL;
}
