video.c

1. 8623L平台

				&dig_clk, sizeof(dig_clk));
			if RMFAILED(err) {
//				RMDBGLOG((ENABLE, "Could not get pixel clock for TV Standard %s!\n", StandardName));
				RMDBGLOG((ENABLE, "Could not get pixel clock for TV Standard %u!\n", pVideo->Setup.TVStandard));
				return err;
			}
			curr_HalfLinesPerField = dig.VTotalSize;
			if (! dig.TopFieldHeight) curr_HalfLinesPerField *= 2;
			curr_ClocksPerLine = dig.HTotalSize;
			if (pVideo->Setup.bussize == 8) curr_ClocksPerLine *= 2;
			curr_ClocksPerField = curr_HalfLinesPerField * curr_ClocksPerLine / 2;
			if (pVideo->Setup.bussize == 8) dig_clk *= 2;
			curr_VFreq = (RMuint32)((RMuint64)dig_clk * 100L / curr_ClocksPerField);
			
			if (0) RMDBGLOG((LOCALDBG, "Mode: %ld Hz, %ld.%02ld Hz, %ld pix/field, %ld lines/field, %ld pix/line\n", 
				dig_clk, 
				curr_VFreq / 100, curr_VFreq % 100, 
				curr_ClocksPerField, 
				curr_HalfLinesPerField / 2, 
				curr_ClocksPerLine));
			
			diff_VFreq = (VFreq) ? VFreq - curr_VFreq : 0;
			diff_ClocksPerField = (ClocksPerField) ? ClocksPerField - curr_ClocksPerField : 0;
			diff_LinesPerField = (LinesPerField) ? LinesPerField - curr_HalfLinesPerField / 2 : 0;
			diff_ClocksPerLine = (ClocksPerLine) ? ClocksPerLine - curr_ClocksPerLine : 0;
			error = diff_VFreq * diff_VFreq + diff_ClocksPerField * diff_ClocksPerField +
				diff_LinesPerField * diff_LinesPerField + diff_ClocksPerLine * diff_ClocksPerLine;
			
			if (0) RMDBGLOG((LOCALDBG, "deviation: dist^2: %llu (min = %llu) diff: %s%d.%02d Hz, %ld pix/field, %ld lines/field, %ld pix/line\n", 
				error, min_err, 
				(diff_VFreq < 0) ? "-" : "", RMabs(diff_VFreq) / 100, RMabs(diff_VFreq) % 100, 
				diff_ClocksPerField, 
				diff_LinesPerField / 2, 
				diff_ClocksPerLine));
			
			if (error < min_err) {
				min_err = error;
				best_match = pVideo->Setup.TVStandard;
			}
		}
		
		if (best_match != EMhwlibTVStandard_Custom) {
			pVideo->Setup.TVStandard = best_match;
		} else {
			pVideo->Setup.TVStandard = prevTVStandard;
		}
	}
	
	return RM_OK;
}

// corresponding video modes in 50, 59.94, 60, 75 and 85 Hz	
static const enum EMhwlibTVStandard vfreq_matrix[][5] = {
	{EMhwlibTVStandard_CVT_640x480x50,    EMhwlibTVStandard_Custom,            EMhwlibTVStandard_CVT_640x480x60,    EMhwlibTVStandard_CVT_640x480x75,    EMhwlibTVStandard_CVT_640x480x85}, 
	{EMhwlibTVStandard_CVT_800x600x50,    EMhwlibTVStandard_Custom,            EMhwlibTVStandard_CVT_800x600x60,    EMhwlibTVStandard_CVT_800x600x75,    EMhwlibTVStandard_CVT_800x600x85}, 
	{EMhwlibTVStandard_CVT_1024x768x50,   EMhwlibTVStandard_Custom,            EMhwlibTVStandard_CVT_1024x768x60,   EMhwlibTVStandard_CVT_1024x768x75,   EMhwlibTVStandard_CVT_1024x768x85}, 
	{EMhwlibTVStandard_CVT_1152x864x50,   EMhwlibTVStandard_Custom,            EMhwlibTVStandard_CVT_1152x864x60,   EMhwlibTVStandard_CVT_1152x864x75,   EMhwlibTVStandard_CVT_1152x864x85}, 
	{EMhwlibTVStandard_CVT_1280x960x50,   EMhwlibTVStandard_Custom,            EMhwlibTVStandard_CVT_1280x960x60,   EMhwlibTVStandard_CVT_1280x960x75,   EMhwlibTVStandard_CVT_1280x960x85}, 
	{EMhwlibTVStandard_CVT_1280x1024x50,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_CVT_1280x1024x60,  EMhwlibTVStandard_CVT_1280x1024x75,  EMhwlibTVStandard_CVT_1280x1024x85}, 
	{EMhwlibTVStandard_CVT_1600x1200x50,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_CVT_1600x1200x60,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_HDMI_640x480p59,   EMhwlibTVStandard_HDMI_640x480p60,   EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_576p50,       EMhwlibTVStandard_HDMI_480p59,       EMhwlibTVStandard_HDMI_480p60,       EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_720p50,       EMhwlibTVStandard_HDMI_720p59,       EMhwlibTVStandard_HDMI_720p60,       EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_1080i50,      EMhwlibTVStandard_HDMI_1080i59,      EMhwlibTVStandard_HDMI_1080i60,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_576i50,       EMhwlibTVStandard_HDMI_480i59,       EMhwlibTVStandard_HDMI_480i60,       EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_288p50,       EMhwlibTVStandard_HDMI_240p59,       EMhwlibTVStandard_HDMI_240p60,       EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_2880x576i50,  EMhwlibTVStandard_HDMI_2880x480i59,  EMhwlibTVStandard_HDMI_2880x480i60,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_2880x288p50,  EMhwlibTVStandard_HDMI_2880x240p59,  EMhwlibTVStandard_HDMI_2880x240p60,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_1440x576p50,  EMhwlibTVStandard_HDMI_1440x480p59,  EMhwlibTVStandard_HDMI_1440x480p60,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_1080p50,      EMhwlibTVStandard_HDMI_1080p59,      EMhwlibTVStandard_HDMI_1080p60,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_1080p25,      EMhwlibTVStandard_HDMI_1080p29,      EMhwlibTVStandard_HDMI_1080p30,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_2880x576p50,  EMhwlibTVStandard_HDMI_2880x480p59,  EMhwlibTVStandard_HDMI_2880x480p60,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_1080i50_1250, EMhwlibTVStandard_HDMI_1080i59,      EMhwlibTVStandard_HDMI_1080i60,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_1080i100,     EMhwlibTVStandard_HDMI_1080i119,     EMhwlibTVStandard_HDMI_1080i120,     EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_720p100,      EMhwlibTVStandard_HDMI_720p119,      EMhwlibTVStandard_HDMI_720p120,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_576p100,      EMhwlibTVStandard_HDMI_480p119,      EMhwlibTVStandard_HDMI_480p120,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_576i100,      EMhwlibTVStandard_HDMI_480i119,      EMhwlibTVStandard_HDMI_480i120,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_576p200,      EMhwlibTVStandard_HDMI_480p239,      EMhwlibTVStandard_HDMI_480p240,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_HDMI_576i200,      EMhwlibTVStandard_HDMI_480i239,      EMhwlibTVStandard_HDMI_480i240,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_1080p50,           EMhwlibTVStandard_1080p59,           EMhwlibTVStandard_1080p60,           EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_1080i50,           EMhwlibTVStandard_1080i59,           EMhwlibTVStandard_1080i60,           EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_1080p25,           EMhwlibTVStandard_1080p29,           EMhwlibTVStandard_1080p30,           EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_1080i50_1250,      EMhwlibTVStandard_1080i59,           EMhwlibTVStandard_1080i60,           EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_1080p50_1250,      EMhwlibTVStandard_1080p59,           EMhwlibTVStandard_1080p60,           EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_720p50,            EMhwlibTVStandard_720p59,            EMhwlibTVStandard_720p60,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_720p25,            EMhwlibTVStandard_720p29,            EMhwlibTVStandard_720p30,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_ITU_Bt656_625,     EMhwlibTVStandard_ITU_Bt656_525,     EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_PAL_BG,            EMhwlibTVStandard_NTSC_M,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_PAL_BG,            EMhwlibTVStandard_NTSC_M_Japan,      EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_PAL_BG,            EMhwlibTVStandard_PAL_M,             EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_PAL_BG,            EMhwlibTVStandard_PAL_60,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_576p50,            EMhwlibTVStandard_480p59,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_PAL_BG_702,        EMhwlibTVStandard_NTSC_M_714,        EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_PAL_BG_702,        EMhwlibTVStandard_NTSC_M_Japan_714,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_PAL_BG_702,        EMhwlibTVStandard_PAL_M_714,         EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_PAL_BG_702,        EMhwlibTVStandard_PAL_60_714,        EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_576p50_702,        EMhwlibTVStandard_480p59_714,        EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_640x350x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_640x400x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_720x400x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_640x480x60,   EMhwlibTVStandard_VESA_640x480x75,   EMhwlibTVStandard_VESA_640x480x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_800x600x60,   EMhwlibTVStandard_VESA_800x600x75,   EMhwlibTVStandard_VESA_800x600x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1024x768x60,  EMhwlibTVStandard_VESA_1024x768x75,  EMhwlibTVStandard_VESA_1024x768x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1280x768x60,  EMhwlibTVStandard_VESA_1280x768x75,  EMhwlibTVStandard_VESA_1280x768x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1280x768x60RB,  EMhwlibTVStandard_VESA_1280x768x75,  EMhwlibTVStandard_VESA_1280x768x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1280x960x60,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1280x960x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1280x1024x60, EMhwlibTVStandard_VESA_1280x1024x75, EMhwlibTVStandard_VESA_1280x1024x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1360x768x60,  EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1400x1050x60, EMhwlibTVStandard_VESA_1400x1050x75, EMhwlibTVStandard_VESA_1400x1050x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1400x1050x60RB, EMhwlibTVStandard_VESA_1400x1050x75, EMhwlibTVStandard_VESA_1400x1050x85}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1600x1200x60, EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1920x1200x60RB, EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}, 
	{EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom,            EMhwlibTVStandard_VESA_1920x1200x60, EMhwlibTVStandard_Custom,            EMhwlibTVStandard_Custom}
};

// Set up local options (zoom, aspect ratio etc.) based on cap_opt->TVStandard
static RMstatus cap_video_setup_format(
	struct cap_video_instance *pVideo)
{
//	RMstatus err;
	struct EMhwlibActiveFormatDescription afd;

	RMDBGLOG((FUNCNAME, "%s\n",__func__));
	afd.ActiveFormat = EMhwlibAF_same_as_picture;
	afd.ActiveFormatValid = TRUE;
	afd.FrameAspectRatio.X = 4;
	afd.FrameAspectRatio.Y = 3;
	
	switch (pVideo->Setup.TVStandard) {
	case EMhwlibTVStandard_Custom:
		RMDBGLOG((ENABLE, "No sync or video detected!\n"));
		break;
	case EMhwlibTVStandard_ITU_Bt656_525:
	case EMhwlibTVStandard_ITU_Bt656_240p:
		{  // NTSC only part
			pVideo->Setup.PixelAspectRatio.X = 8;
			pVideo->Setup.PixelAspectRatio.Y = 9;
			
			// full screen minus top 4 and bottom 3 lines of each frame
			if (! pVideo->Setup.zoom_force) {
				pVideo->Setup.zoom_x = 0;
				pVideo->Setup.zoom_y = 4;  // discard top 2 lines of each field, containing VBI data in ITU656-525 mode
				pVideo->Setup.zoom_w = 720;
				pVideo->Setup.zoom_h = 480;  // discard bottom 3 lines of each frame to match standard picture size
			}
			if (pVideo->Setup.TVStandard == EMhwlibTVStandard_ITU_Bt656_240p) {
				pVideo->Setup.PixelAspectRatio.Y *= 2;
				if (! pVideo->Setup.zoom_force) {
					pVideo->Setup.zoom_h /= 2;
				}
			}
		}
		if (0) 
	case EMhwlibTVStandard_ITU_Bt656_625:
	case EMhwlibTVStandard_ITU_Bt656_288p:
		{  // PAL only part
			pVideo->Setup.PixelAspectRatio.X = 16;
			pVideo->Setup.PixelAspectRatio.Y = 15;
			
			// full screen capture
			if (! pVideo->Setup.zoom_force) {
				pVideo->Setup.zoom_x = 0;
				pVideo->Setup.zoom_y = 0;
				pVideo->Setup.zoom_w = 720;
				pVideo->Setup.zoom_h = 576;
			}
			if (pVideo->Setup.TVStandard == EMhwlibTVStandard_ITU_Bt656_288p) {
				pVideo->Setup.PixelAspectRatio.Y *= 2;
				if (! pVideo->Setup.zoom_force) {
					pVideo->Setup.zoom_h /= 2;
				}
			}
		}
		
		{  // PAL/NTSC common part
			// disable picture aspect ratio, using pixel aspect ratio
			pVideo->Setup.PictureAspectRatio.X  = 0;
			pVideo->Setup.PictureAspectRatio.Y  = 0;
			
			// Set up wide and clipping mode
			if (0/*TODO pVideo->Setup.wide_screen*/) {  // 16:9 output
				pVideo->Setup.PixelAspectRatio.X *= 4;
				pVideo->Setup.PixelAspectRatio.Y *= 3;
				afd.FrameAspectRatio.X *= 4;
				afd.FrameAspectRatio.Y *= 3;
			}
//TODO!!!			err = apply_active_format(pVideo->pRUA, NULL/*pVideo->disp_opt*/, afd, pVideo->ScalerModuleID);
// This AFD needs to be reported back to the application
		}
		break;
	default:
		// other standard, no need to do anything
		break;
	}
	
	return RM_OK;
}

/* Apply video capture options and start the passthrough to the current output */
RMstatus cap_video_start_passthrough(
	struct cap_video_instance *pVideo)
{
	RMstatus err;

	RMDBGLOG((FUNCNAME, "%s\n",__func__));

	err = cap_video_setup_format(pVideo);
	
	err = cap_video_start_capture(pVideo);
	if (RMFAILED(err)) {
		RMDBGLOG((ENABLE, "Failed to set up capture port! %s\n", RMstatusToString(err)));
		if (err == RM_FATALOUTOFMEMORY) {
			RMDBGLOG((ENABLE, "Can not set up capture picture buffer, OUT OF MEMORY!\n"));
		}
		return err;
	}
	
	// Modify output video mode
// This output VFreq selection needs to be done in main application. Just report back current input VFreq.
/*TODO	if (pVideo->Setup.follow_vfreq && pVideo->disp_opt) {
		RMbool change_output = FALSE;
		RMuint32 in_vfreq = 0, in_row = 0, out_vfreq = 0, out_row = 0, i;
		
		// find input v-freq
		for (i = 0; i < sizeof(vfreq_matrix) / sizeof(enum EMhwlibTVStandard); i++) {
			if (pVideo->Setup.TVStandard == vfreq_matrix[i / 5][i % 5]) {
				in_vfreq = (i % 5) + 1;
				in_row = i / 5;
				break;
			}
		}
		// find current output v-freq
		for (i = 0; i < sizeof(vfreq_matrix) / sizeof(enum EMhwlibTVStandard); i++) {
			if (pVideo->disp_opt->standard == vfreq_matrix[i / 5][i % 5]) {
				out_vfreq = (i % 5) + 1;
				out_row = i / 5;
				break;
			}
		}
		// 50Hz capture on non-50Hz output
		if ((in_vfreq == 1) && out_vfreq && (out_vfreq != 1)) {
			RMDBGLOG((ENABLE, "Input is 50Hz\n"));
			if (vfreq_matrix[out_row][0] != EMhwlibTVStandard_Custom) {
				RMDBGLOG((ENABLE, "Changing output to 50Hz\n"));
				pVideo->disp_opt->standard = vfreq_matrix[out_row][0];
				change_output = TRUE;
			}
		} else 
		// 59.94Hz capture on non-59.94Hz output
		if ((in_vfreq == 2) && out_vfreq && (out_vfreq != 2)) {
			RMDBGLOG((ENABLE, "Input is 59.94Hz\n"));
			if (vfreq_matrix[out_row][1] != EMhwlibTVStandard_Custom) {
				RMDBGLOG((ENABLE, "Changing output to 59.94Hz\n"));
				pVideo->disp_opt->standard = vfreq_matrix[out_row][1];
				change_output = TRUE;
			} else 
			// 60Hz as second choice
			if (vfreq_matrix[out_row][2] != EMhwlibTVStandard_Custom) {
				RMDBGLOG((ENABLE, "Changing output to 60Hz\n"));
				pVideo->disp_opt->standard = vfreq_matrix[out_row][2];
				change_output = TRUE;
			}
		} else 
		// 60Hz capture on non-60Hz output
		if ((in_vfreq == 3) && out_vfreq && (out_vfreq != 3)) {
			RMDBGLOG((ENABLE, "Input is 60Hz\n"));
			if (vfreq_matrix[out_row][2] != EMhwlibTVStandard_Custom) {
				RMDBGLOG((ENABLE, "Changing output to 60Hz\n"));
				pVideo->disp_opt->standard = vfreq_matrix[out_row][2];
				change_output = TRUE;
			} else 
			// 59.94Hz as second choice
			if (vfreq_matrix[out_row][1] != EMhwlibTVStandard_Custom) {
				RMDBGLOG((ENABLE, "Changing output to 59.94Hz\n"));
				pVideo->disp_opt->standard = vfreq_matrix[out_row][1];
				change_output = TRUE;
			}
		}
		else {
			RMDBGLOG((ENABLE, "Input vfreq is unknown\n"));
		}
		if (change_output) {
			err = apply_display_options(pVideo->dcc_info, pVideo->disp_opt);
		}
	}
*/
	
	err = cap_video_set_scaler_source_zoom(pVideo->pRUA, 
		pVideo->ScalerModuleID, 
		pVideo->Setup.zoom_x, 
		pVideo->Setup.zoom_y, 
		pVideo->Setup.zoom_w, 
		pVideo->Setup.zoom_h);
	
	return RM_OK;
}

/* stop capture and passthrough */
RMstatus cap_video_stop_passthrough(
	struct cap_video_instance *pVideo)
{
	return cap_video_stop_capture(pVideo);
}

/* flush the current picture off the screen */
RMstatus cap_video_flush_scaler(
	struct cap_video_instance *pVideo)
{
	RMstatus err;
	
	RMDBGLOG((ENABLE, "flushing scaler\n"));
	
	err = RUASetProperty(pVideo->pRUA, pVideo->ScalerModuleID, RMGenericPropertyID_Stop, NULL, 0, 0);
	if RMFAILED(err) RMDBGLOG((ENABLE, "Error flushing scaler, err=%s\n", RMstatusToString(err)));
	
	return err;
}