From 6adaa95c18762d51935a94efec46d907c1507981 Mon Sep 17 00:00:00 2001
From: yellows8 <yellows8@users.noreply.github.com>
Date: Mon, 24 Nov 2014 23:42:47 -0500
Subject: [PATCH] Updated mic example. Returning from the example then
 launching it again via hbmenu is broken.

---
 examples/mic/source/main.c | 82 ++++++++++++++++++++++----------------
 1 file changed, 47 insertions(+), 35 deletions(-)

diff --git a/examples/mic/source/main.c b/examples/mic/source/main.c
index 8e6fc11..89ece51 100644
--- a/examples/mic/source/main.c
+++ b/examples/mic/source/main.c
@@ -11,13 +11,14 @@ int main()
 	u8 *audiobuf;
 	u32 audiobuf_size = 0x100000, audiobuf_pos = 0;
 	u8 control=0x40;
+	u32 audio_initialized = 0;
 
 	srvInit();	
 	aptInit();
 	gfxInit();
 	hidInit(NULL);
 	
-	CSND_initialize(NULL);
+	if(CSND_initialize(NULL)==0)audio_initialized = 1;
 
 	sharedmem = (u32*)memalign(0x1000, sharedmem_size);
 	audiobuf = linearAlloc(audiobuf_size);
@@ -26,52 +27,63 @@ int main()
 
 	while(aptMainLoop())
 	{
-		framebuf = gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL);
 		hidScanInput();
+		gspWaitForVBlank();
 
-		if(hidKeysDown() & KEY_A)
+		u32 kDown = hidKeysDown();
+		if (kDown & KEY_START)
+			break; // break in order to return to hbmenu
+
+		if(audio_initialized)
 		{
-			audiobuf_pos = 0;
-
-			CSND_setchannel_playbackstate(0x8, 0);//Stop audio playback.
-			CSND_sharedmemtype0_cmdupdatestate(0);
-
-			MIC_SetRecording(1);
-
-			memset(framebuf, 0x20, 0x46500);
-		}
-
-		if((hidKeysHeld() & KEY_A) && audiobuf_pos < audiobuf_size)
-		{
-			audiobuf_pos+= MIC_ReadAudioData(&audiobuf[audiobuf_pos], audiobuf_size-audiobuf_pos, 1);
-			if(audiobuf_pos > audiobuf_size)audiobuf_pos = audiobuf_size;
-
-			memset(framebuf, 0x60, 0x46500);
-		}
-
-		if(hidKeysUp() & KEY_A)
-		{
-			MIC_SetRecording(0);
-			GSPGPU_FlushDataCache(NULL, audiobuf, audiobuf_pos);
-			CSND_playsound(0x8, CSND_LOOP_DISABLE, CSND_ENCODING_PCM16, 16000, (u32*)audiobuf, NULL, audiobuf_pos, 2, 0);
-
-			memset(framebuf, 0xe0, 0x46500);
-
-			gfxFlushBuffers();
-			gfxSwapBuffers();
-
 			framebuf = gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL);
-			memset(framebuf, 0xe0, 0x46500);
+
+			if(kDown & KEY_A)
+			{
+				audiobuf_pos = 0;
+
+				CSND_setchannel_playbackstate(0x8, 0);//Stop audio playback.
+				CSND_sharedmemtype0_cmdupdatestate(0);
+
+				MIC_SetRecording(1);
+
+				memset(framebuf, 0x20, 0x46500);
+			}
+
+			if((hidKeysHeld() & KEY_A) && audiobuf_pos < audiobuf_size)
+			{
+				audiobuf_pos+= MIC_ReadAudioData(&audiobuf[audiobuf_pos], audiobuf_size-audiobuf_pos, 1);
+				if(audiobuf_pos > audiobuf_size)audiobuf_pos = audiobuf_size;
+
+				memset(framebuf, 0x60, 0x46500);
+			}
+
+			if(hidKeysUp() & KEY_A)
+			{
+				MIC_SetRecording(0);
+				GSPGPU_FlushDataCache(NULL, audiobuf, audiobuf_pos);
+				CSND_playsound(0x8, CSND_LOOP_DISABLE, CSND_ENCODING_PCM16, 16000, (u32*)audiobuf, NULL, audiobuf_pos, 2, 0);
+
+				memset(framebuf, 0xe0, 0x46500);
+
+				gfxFlushBuffers();
+				gfxSwapBuffers();
+
+				framebuf = gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL);
+				memset(framebuf, 0xe0, 0x46500);
+			}
 		}
 
 		gfxFlushBuffers();
 		gfxSwapBuffers();
-		gspWaitForVBlank();
 	}
 
 	MIC_Shutdown();
 
-	CSND_shutdown();
+	if(audio_initialized)CSND_shutdown();
+
+	free(sharedmem);
+	linearFree(audiobuf);
 
 	hidExit();
 	gfxExit();