some spiffy new audio/video code!

source/audio.cpp

@@ -52,7 +52,6 @@ AudioThread (void *arg)
 
 	while (1)
 	{
-		whichab ^= 1;
 		if (ConfigRequested)
 			memset (soundbuffer[whichab], 0, AUDIOBUFFER);
 		else
@@ -61,6 +60,7 @@ AudioThread (void *arg)
 			S9xMixSamples (soundbuffer[whichab], AUDIOBUFFER >> 1);
 			LWP_MutexUnlock(audiomutex);
 		}
+		DCFlushRange (soundbuffer[whichab], AUDIOBUFFER);
 		LWP_ThreadSleep (audioqueue);
 	}
 
@@ -76,11 +76,8 @@ GCMixSamples ()
 {
 	if (!ConfigRequested)
 	{
-		AUDIO_StopDMA ();
+		whichab ^= 1;
-		DCFlushRange (soundbuffer[whichab], AUDIOBUFFER);
 		AUDIO_InitDMA ((u32) soundbuffer[whichab], AUDIOBUFFER);
-		AUDIO_StartDMA ();
-
 		LWP_ThreadSignal (audioqueue);
 	}
 }
@@ -124,6 +121,13 @@ SwitchAudioMode(int mode)
 		AUDIO_StopDMA();
 		AUDIO_SetDSPSampleRate(AI_SAMPLERATE_32KHZ);
 		AUDIO_RegisterDMACallback(GCMixSamples);
+		
+		memset(soundbuffer[0],0,AUDIOBUFFER);
+		memset(soundbuffer[1],0,AUDIOBUFFER);
+		DCFlushRange(soundbuffer[0],AUDIOBUFFER);
+		DCFlushRange(soundbuffer[1],AUDIOBUFFER);
+		AUDIO_InitDMA((u32)soundbuffer[whichab],AUDIOBUFFER);
+		AUDIO_StartDMA();
 		#endif
 		S9xSetSamplesAvailableCallback(FinalizeSamplesCallback, NULL);
 	}
@@ -134,7 +138,7 @@ SwitchAudioMode(int mode)
 		ASND_Init();
 		ASND_Pause(0);
 		#else
-		AUDIO_StopDMA();
+		//AUDIO_StopDMA();
 		#endif
 	}
 }

source/freeze.cpp

@@ -58,7 +58,7 @@ SaveSnapshot (char * filepath, bool silent)
 
 		if (pngContext != NULL)
 		{
-			imgSize = PNGU_EncodeFromGXTexture(pngContext, screenwidth, screenheight, gameScreenTex2, 0);
+			imgSize = PNGU_EncodeFromGXTexture(pngContext, vmode->fbWidth, vmode->efbHeight, gameScreenTex2, 0);
 			PNGU_ReleaseImageContext(pngContext);
 		}
 

source/gui/gui.h

@@ -323,12 +323,28 @@ class GuiElement
 		//!Considers alpha, alphaDyn, and the parent element's GetAlpha() value
 		//!\return alpha
 		int GetAlpha();
-		//!Sets the element's scale
+		//!Sets the element's x and y scale
 		//!\param s scale (1 is 100%)
 		void SetScale(float s);
+		//!Sets the element's x scale
+		//!\param s scale (1 is 100%)
+		void SetScaleX(float s);
+		//!Sets the element's y scale
+		//!\param s scale (1 is 100%)
+		void SetScaleY(float s);
+		//!Sets the element's x and y scale, using the provided max width/height
+		//!\param w Maximum width
+		//!\param h Maximum height
+		void SetScale(int w, int h);
 		//!Gets the element's current scale
 		//!Considers scale, scaleDyn, and the parent element's GetScale() value
 		float GetScale();
+		//!Gets the element's current x scale
+		//!Considers scale, scaleDyn, and the parent element's GetScale() value
+		float GetScaleX();
+		//!Gets the element's current y scale
+		//!Considers scale, scaleDyn, and the parent element's GetScale() value
+		float GetScaleY();
 		//!Set a new GuiTrigger for the element
 		//!\param t Pointer to GuiTrigger
 		void SetTrigger(GuiTrigger * t);
@@ -420,7 +436,8 @@ class GuiElement
 		int yoffsetDyn; //!< Element Y offset, dynamic (added to yoffset value for animation effects)
 		int alpha; //!< Element alpha value (0-255)
 		int alphaDyn; //!< Element alpha, dynamic (multiplied by alpha value for blending/fading effects)
-		f32 scale; //!< Element scale (1 = 100%)
+		f32 xscale; //!< Element X scale (1 = 100%)
+		f32 yscale; //!< Element Y scale (1 = 100%)
 		f32 scaleDyn; //!< Element scale, dynamic (multiplied by alpha value for blending/fading effects)
 		int effects; //!< Currently enabled effect(s). 0 when no effects are enabled
 		int effectAmount; //!< Effect amount. Used by different effects for different purposes

source/gui/gui_element.cpp

@@ -24,7 +24,8 @@ GuiElement::GuiElement()
 	width = 0;
 	height = 0;
 	alpha = 255;
-	scale = 1;
+	xscale = 1;
+	yscale = 1;
 	state = STATE_DEFAULT;
 	stateChan = -1;
 	trigger[0] = NULL;
@@ -92,12 +93,13 @@ int GuiElement::GetLeft()
 			x = pLeft;
 			break;
 		case ALIGN_CENTRE:
-			x = pLeft + (pWidth>>1) - (width>>1);
+			x = pLeft + pWidth/2.0 - (width*xscale)/2.0;
 			break;
 		case ALIGN_RIGHT:
-			x = pLeft + pWidth - width;
+			x = pLeft + pWidth - width*xscale;
 			break;
 	}
+	x += (width*(xscale - 1))/2.0; // correct offset for scaled images
 	return x + xoffset;
 }
 
@@ -122,12 +124,13 @@ int GuiElement::GetTop()
 			y = pTop;
 			break;
 		case ALIGN_MIDDLE:
-			y = pTop + (pHeight>>1) - (height>>1);
+			y = pTop + pHeight/2.0 - (height*yscale)/2.0;
 			break;
 		case ALIGN_BOTTOM:
-			y = pTop + pHeight - height;
+			y = pTop + pHeight - height*yscale;
 			break;
 	}
+	y += (height*(yscale - 1))/2.0; // correct offset for scaled images
 	return y + yoffset;
 }
 
@@ -218,12 +221,36 @@ int GuiElement::GetAlpha()
 
 void GuiElement::SetScale(float s)
 {
-	scale = s;
+	xscale = s;
+	yscale = s;
+}
+
+void GuiElement::SetScaleX(float s)
+{
+	xscale = s;
+}
+
+void GuiElement::SetScaleY(float s)
+{
+	yscale = s;
+}
+
+void GuiElement::SetScale(int mw, int mh)
+{
+	xscale = 1.0f;
+	if(width > mw || height > mh)
+	{
+		if(width/(height*1.0) > mw/(mh*1.0))
+			xscale = mw/(width*1.0);
+		else
+			xscale = mh/(height*1.0);
+	}
+	yscale = xscale;
 }
 
 float GuiElement::GetScale()
 {
-	float s = scale * scaleDyn;
+	float s = xscale * scaleDyn;
 
 	if(parentElement)
 		s *= parentElement->GetScale();
@@ -231,6 +258,26 @@ float GuiElement::GetScale()
 	return s;
 }
 
+float GuiElement::GetScaleX()
+{
+	float s = xscale * scaleDyn;
+
+	if(parentElement)
+		s *= parentElement->GetScale();
+
+	return s;
+}
+
+float GuiElement::GetScaleY()
+{
+	float s = yscale * scaleDyn;
+
+	if(parentElement)
+		s *= parentElement->GetScaleY();
+
+	return s;
+}
+
 int GuiElement::GetState()
 {
 	return state;

source/gui/gui_image.cpp

@@ -226,7 +226,8 @@ void GuiImage::Draw()
 	if(!image || !this->IsVisible() || tile == 0)
 		return;
 
-	float currScale = this->GetScale();
+	float currScaleX = this->GetScaleX();
+	float currScaleY = this->GetScaleY();
 	int currLeft = this->GetLeft();
 	int thisTop = this->GetTop();
 
@@ -235,16 +236,12 @@ void GuiImage::Draw()
 		int alpha = this->GetAlpha();
 		for(int i=0; i<tile; ++i)
 		{
-			Menu_DrawImg(currLeft+width*i, thisTop, width, height, image, imageangle, currScale, currScale, alpha);
+			Menu_DrawImg(currLeft+width*i, thisTop, width, height, image, imageangle, currScaleX, currScaleY, alpha);
 		}
 	}
 	else
 	{
-		// temporary (maybe), used to correct offset for scaled images
+		Menu_DrawImg(currLeft, thisTop, width, height, image, imageangle, currScaleX, currScaleY, this->GetAlpha());
-		if(scale != 1)
-			currLeft += (width*(scale - 1))/2;
-
-		Menu_DrawImg(currLeft, thisTop, width, height, image, imageangle, currScale, currScale, this->GetAlpha());
 	}
 
 	if(stripe > 0)

source/menu.cpp

@@ -3769,9 +3769,11 @@ MainMenu (int menu)
 
 	if(gameScreenTex)
 	{
-		gameScreenImg = new GuiImage(gameScreenTex, screenwidth, screenheight);
+		gameScreenImg = new GuiImage(gameScreenTex, vmode->fbWidth, vmode->efbHeight);
 		gameScreenImg->SetAlpha(192);
 		gameScreenImg->ColorStripe(30);
+		gameScreenImg->SetScaleX(screenwidth/(float)vmode->fbWidth);
+		gameScreenImg->SetScaleY(screenheight/(float)vmode->efbHeight);
 		mainWindow->Append(gameScreenImg);
 		bgImg->SetVisible(false);
 	}

source/video.cpp

@@ -40,7 +40,7 @@ unsigned char * filtermem = NULL; // only want ((512*2) X (239*2))
 /*** 2D Video ***/
 static unsigned int *xfb[2] = { NULL, NULL }; // Double buffered
 static int whichfb = 0; // Switch
-static GXRModeObj *vmode = NULL; // Current video mode
+GXRModeObj *vmode = NULL; // Current video mode
 int screenheight = 480;
 int screenwidth = 640;
 static int oldRenderMode = -1; // set to GCSettings.render when changing (temporarily) to another mode
@@ -399,7 +399,7 @@ static GXRModeObj * FindVideoMode()
 			mode = &TVNtsc480Prog;
 			break;
 		case 3: // PAL (50Hz)
-			mode = &TVPal574IntDfScale;
+			mode = &TVPal528IntDf;
 			break;
 		case 4: // PAL (60Hz)
 			mode = &TVEurgb60Hz480IntDf;
@@ -415,9 +415,6 @@ static GXRModeObj * FindVideoMode()
 				mode = &TVNtsc480Prog;
 			#endif
 
-			// use hardware vertical scaling to fill screen
-			if(mode->viTVMode >> 2 == VI_PAL)
-				mode = &TVPal574IntDfScale;
 			break;
 	}
 
@@ -479,11 +476,45 @@ static GXRModeObj * FindVideoMode()
 		progressive = false;
 
 	#ifdef HW_RVL
-	// widescreen fix
+	bool pal = false;
-	if(CONF_GetAspectRatio() == CONF_ASPECT_16_9)
+
+	if (mode == &TVPal528IntDf)
+		pal = true;
+
+	if (CONF_GetAspectRatio() == CONF_ASPECT_16_9)
 	{
-		mode->viWidth = 678;
+		mode->fbWidth = 640;
-		mode->viXOrigin = (VI_MAX_WIDTH_NTSC - 678) / 2;
+		mode->efbHeight = 456;
+		mode->viWidth = 686;
+
+		if (pal)
+		{
+			mode->xfbHeight = 542;
+			mode->viHeight = 542;
+		}
+		else
+		{
+			mode->xfbHeight = 456;
+			mode->viHeight = 456;
+		}
+	}
+	else
+	{
+		if (pal)
+			mode = &TVPal574IntDfScale;
+
+		mode->viWidth = 672;
+	}
+
+	if (pal)
+	{
+		mode->viXOrigin = (VI_MAX_WIDTH_PAL - mode->viWidth) / 2;
+		mode->viYOrigin = (VI_MAX_HEIGHT_PAL - mode->viHeight) / 2;
+	}
+	else
+	{
+		mode->viXOrigin = (VI_MAX_WIDTH_NTSC - mode->viWidth) / 2;
+		mode->viYOrigin = (VI_MAX_HEIGHT_NTSC - mode->viHeight) / 2;
 	}
 	#endif
 	return mode;

source/video.h

@@ -30,6 +30,7 @@ void Menu_Render();
 void Menu_DrawImg(f32 xpos, f32 ypos, u16 width, u16 height, u8 data[], f32 degrees, f32 scaleX, f32 scaleY, u8 alphaF );
 void Menu_DrawRectangle(f32 x, f32 y, f32 width, f32 height, GXColor color, u8 filled);
 
+extern GXRModeObj *vmode;
 extern int screenheight;
 extern int screenwidth;
 extern bool progressive;