Review ALL examples

examples/audio/audio_raw_stream.c

@@ -20,12 +20,12 @@
 #define MAX_SAMPLES               512
 #define MAX_SAMPLES_PER_UPDATE   4096
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [audio] example - raw audio streaming");
 
@@ -33,30 +33,30 @@ int main()
 
     // Init raw audio stream (sample rate: 22050, sample size: 16bit-short, channels: 1-mono)
     AudioStream stream = InitAudioStream(22050, 16, 1);
-    
+
     // Buffer for the single cycle waveform we are synthesizing
     short *data = (short *)malloc(sizeof(short)*MAX_SAMPLES);
 
     // Frame buffer, describing the waveform when repeated over the course of a frame
     short *writeBuf = (short *)malloc(sizeof(short)*MAX_SAMPLES_PER_UPDATE);
-    
+
     PlayAudioStream(stream);        // Start processing stream buffer (no data loaded currently)
-    
+
     // Position read in to determine next frequency
     Vector2 mousePosition = { -100.0f, -100.0f };
-    
+
     // Cycles per second (hz)
     float frequency = 440.0f;
-    
+
     // Previous value, used to test if sine needs to be rewritten, and to smoothly modulate frequency
     float oldFrequency = 1.0f;
-    
+
     // Cursor to read and copy the samples of the sine wave buffer
     int readCursor = 0;
-    
+
     // Computed size in samples of the sine wave
     int waveLength = 1;
-    
+
     Vector2 position = { 0, 0 };
 
     SetTargetFPS(30);               // Set our game to run at 30 frames-per-second
@@ -67,62 +67,62 @@ int main()
     {
         // Update
         //----------------------------------------------------------------------------------
-        
+
         // Sample mouse input.
         mousePosition = GetMousePosition();
-        
-        if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) 
+
+        if (IsMouseButtonDown(MOUSE_LEFT_BUTTON))
         {
             float fp = (float)(mousePosition.y);
             frequency = 40.0f + (float)(fp);
         }
-        
+
         // Rewrite the sine wave.
         // Compute two cycles to allow the buffer padding, simplifying any modulation, resampling, etc.
-        if (frequency != oldFrequency) 
+        if (frequency != oldFrequency)
         {
             // Compute wavelength. Limit size in both directions.
             int oldWavelength = waveLength;
             waveLength = (int)(22050/frequency);
             if (waveLength > MAX_SAMPLES/2) waveLength = MAX_SAMPLES/2;
             if (waveLength < 1) waveLength = 1;
-            
+
             // Write sine wave.
             for (int i = 0; i < waveLength*2; i++)
             {
                 data[i] = (short)(sinf(((2*PI*(float)i/waveLength)))*32000);
             }
-            
+
             // Scale read cursor's position to minimize transition artifacts
             readCursor = (int)(readCursor * ((float)waveLength / (float)oldWavelength));
             oldFrequency = frequency;
         }
-        
+
         // Refill audio stream if required
-        if (IsAudioBufferProcessed(stream)) 
+        if (IsAudioBufferProcessed(stream))
         {
             // Synthesize a buffer that is exactly the requested size
             int writeCursor = 0;
-            
-            while (writeCursor < MAX_SAMPLES_PER_UPDATE) 
+
+            while (writeCursor < MAX_SAMPLES_PER_UPDATE)
             {
                 // Start by trying to write the whole chunk at once
                 int writeLength = MAX_SAMPLES_PER_UPDATE-writeCursor;
-                
+
                 // Limit to the maximum readable size
                 int readLength = waveLength-readCursor;
-                
+
                 if (writeLength > readLength) writeLength = readLength;
 
                 // Write the slice
                 memcpy(writeBuf + writeCursor, data + readCursor, writeLength*sizeof(short));
-                
+
                 // Update cursors and loop audio
                 readCursor = (readCursor + writeLength) % waveLength;
-                
+
                 writeCursor += writeLength;
             }
-            
+
             // Copy finished frame to audio stream
             UpdateAudioStream(stream, writeBuf, MAX_SAMPLES_PER_UPDATE);
         }
@@ -136,13 +136,13 @@ int main()
 
             DrawText(FormatText("sine frequency: %i",(int)frequency), GetScreenWidth() - 220, 10, 20, RED);
             DrawText("click mouse button to change frequency", 10, 10, 20, DARKGRAY);
-            
+
             // Draw the current buffer state proportionate to the screen
             for (int i = 0; i < screenWidth; i++)
             {
                 position.x = i;
                 position.y = 250 + 50*data[i*MAX_SAMPLES/screenWidth]/32000;
-                
+
                 DrawPixelV(position, RED);
             }
 
@@ -154,7 +154,7 @@ int main()
     //--------------------------------------------------------------------------------------
     free(data);                 // Unload sine wave data
     free(writeBuf);             // Unload write buffer
-    
+
     CloseAudioStream(stream);   // Close raw audio stream and delete buffers from RAM
     CloseAudioDevice();         // Close audio device (music streaming is automatically stopped)