Delete examples/audio_raw_stream.c

examples/audio_raw_stream.c

@@ -1,146 +0,0 @@
-/*******************************************************************************************
- *
- *   raylib [audio] example - raw stream
- *
- *   Example complexity rating: [★★★☆] 3/4
- *
- *   Example originally created with raylib 1.6, last time updated with raylib 4.2
- *
- *   Example created by Ramon Santamaria (@raysan5) and reviewed by James Hofmann (@triplefox)
- *
- *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
- *   BSD-like license that allows static linking with closed source software
- *
- *   Copyright (c) 2015-2025 Ramon Santamaria (@raysan5) and James Hofmann (@triplefox)
- *
- ********************************************************************************************/
-
-#include "raylib.h"
-#include <math.h>
-
-#define BUFFER_SIZE 4096
-#define SAMPLE_RATE 44100
-
-//------------------------------------------------------------------------------------
-// Program main entry point
-//------------------------------------------------------------------------------------
-int main(void)
-{
-    // Initialization
-    //--------------------------------------------------------------------------------------
-    const int screenWidth = 800;
-    const int screenHeight = 450;
-
-    InitWindow(screenWidth, screenHeight, "raylib [audio] example - raw stream");
-    SetTargetFPS(30);
-
-    InitAudioDevice();
-
-    // Set the number of samples the stream will keep in memory at a time to BUFFER_SIZE
-    SetAudioStreamBufferSizeDefault(BUFFER_SIZE);
-    float buffer[BUFFER_SIZE] = {};
-
-    // Init raw audio stream (sample rate: 44100, sample size: 32bit-float, channels: 1-mono)
-    AudioStream stream = LoadAudioStream(SAMPLE_RATE, 32, 1);
-    float pan = 0.0f;
-    SetAudioStreamPan(stream, pan);
-    PlayAudioStream(stream);
-
-    int sineFrequency = 440;
-    int newSineFrequency = 440;
-    int sineIndex = 0;
-    double sineStartTime = 0.0;
-
-    //--------------------------------------------------------------------------------------
-
-    // Main game loop
-    while (!WindowShouldClose())    // Detect window close button or ESC key
-    {
-        // Update
-        //----------------------------------------------------------------------------------
-
-        if (IsKeyDown(KEY_UP))
-        {
-            newSineFrequency += 10;
-            if (newSineFrequency > 12500) newSineFrequency = 12500;
-        }
-
-        if (IsKeyDown(KEY_DOWN))
-        {
-            newSineFrequency -= 10;
-            if (newSineFrequency < 20) newSineFrequency = 20;
-        }
-
-        if (IsKeyDown(KEY_LEFT))
-        {
-            pan -= 0.01f;
-            if (pan < -1.0f) pan = -1.0f;
-            SetAudioStreamPan(stream, pan);
-        }
-
-        if (IsKeyDown(KEY_RIGHT))
-        {
-            pan += 0.01f;
-            if (pan > 1.0f) pan = 1.0f;
-            SetAudioStreamPan(stream, pan);
-        }
-
-        if (IsAudioStreamProcessed(stream))
-        {
-            for (int i = 0; i < BUFFER_SIZE; i++)
-            {
-                int wavelength = SAMPLE_RATE/sineFrequency;
-                buffer[i] = sin(2*PI*sineIndex/wavelength);
-                sineIndex++;
-
-                if (sineIndex >= wavelength)
-                {
-                    sineFrequency = newSineFrequency;
-                    sineIndex = 0;
-                    sineStartTime = GetTime();
-                }
-            }
-
-            UpdateAudioStream(stream, buffer, BUFFER_SIZE);
-        }
-
-        //----------------------------------------------------------------------------------
-
-        // Draw
-        //----------------------------------------------------------------------------------
-        BeginDrawing();
-        ClearBackground(RAYWHITE);
-
-        DrawText(TextFormat("sine frequency: %i", sineFrequency), screenWidth - 220, 10, 20, RED);
-        DrawText(TextFormat("pan: %.2f", pan), screenWidth - 220, 30, 20, RED);
-        DrawText("Up/down to change frequency", 10, 10, 20, DARKGRAY);
-        DrawText("Left/right to pan", 10, 30, 20, DARKGRAY);
-
-        int windowStart = (GetTime() - sineStartTime)*SAMPLE_RATE;
-        int windowSize = 0.1f*SAMPLE_RATE;
-        int wavelength = SAMPLE_RATE/sineFrequency;
-
-        // Draw a sine wave with the same frequency as the one being sent to the audio stream
-        for (int i = 0; i < screenWidth; i++)
-        {
-            int t0 = windowStart + i*windowSize/screenWidth;
-            int t1 = windowStart + (i + 1)*windowSize/screenWidth;
-            Vector2 startPos = { i, 250 + 50*sin(2*PI*t0/wavelength) };
-            Vector2 endPos = { i + 1, 250 + 50*sin(2*PI*t1/wavelength) };
-            DrawLineV(startPos, endPos, RED);
-        }
-
-        EndDrawing();
-        //----------------------------------------------------------------------------------
-    }
-
-    // De-Initialization
-    //--------------------------------------------------------------------------------------
-    UnloadAudioStream(stream);   // Close raw audio stream and delete buffers from RAM
-    CloseAudioDevice();         // Close audio device (music streaming is automatically stopped)
-
-    CloseWindow();              // Close window and OpenGL context
-    //--------------------------------------------------------------------------------------
-
-    return 0;
-}