raylib/examples/audio_music_stream.c

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/*******************************************************************************************
*
* raylib [audio] example - Music playing (streaming)
*
* NOTE: This example requires OpenAL Soft library installed
*
* This example has been created using raylib 1.1 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2014 Ramon Santamaria (Ray San - raysan@raysanweb.com)
*
********************************************************************************************/
#include "raylib.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [audio] example - music playing (streaming)");
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InitAudioDevice(); // Initialize audio device
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PlayMusicStream("resources/audio/guitar_noodling.ogg"); // Play music stream
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int framesCounter = 0;
float timePlayed = 0;
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//float volume = 1.0;
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
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// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
framesCounter++;
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// Testing music fading from one file to another
/*
if (framesCounter > 600) // Wait for 10 seconds (600 frames)
{
volume -= 0.01; // Decrement music volume level
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// When music volume level equal or lower than 0,
// restore volume level and init another music file
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if (volume <= 0)
{
volume = 1.0;
framesCounter = 0;
PlayMusicStream("resources/audio/another_file.ogg");
}
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SetMusicVolume(volume);
}
*/
timePlayed = GetMusicTimePlayed() / GetMusicTimeLength() * 100 * 4; // We scale by 4 to fit 400 pixels
//----------------------------------------------------------------------------------
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// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
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ClearBackground(RAYWHITE);
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DrawText("MUSIC SHOULD BE PLAYING!", 255, 200, 20, LIGHTGRAY);
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DrawRectangle(200, 250, 400, 12, LIGHTGRAY);
DrawRectangle(200, 250, (int)timePlayed, 12, MAROON);
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EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseAudioDevice(); // Close audio device (music streaming is automatically stopped)
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CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
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return 0;
}