raylib/examples/audio/audio_music_stream.c

99 lines
3.7 KiB
C

/*******************************************************************************************
*
* raylib [audio] example - Music playing (streaming)
*
* Example originally created with raylib 1.3, last time updated with raylib 4.0
*
* 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) 2015-2024 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [audio] example - music playing (streaming)");
InitAudioDevice(); // Initialize audio device
Music music = LoadMusicStream("resources/country.mp3");
PlayMusicStream(music);
float timePlayed = 0.0f; // Time played normalized [0.0f..1.0f]
bool pause = false; // Music playing paused
SetTargetFPS(30); // Set our game to run at 30 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
UpdateMusicStream(music); // Update music buffer with new stream data
// Restart music playing (stop and play)
if (IsKeyPressed(KEY_SPACE))
{
StopMusicStream(music);
PlayMusicStream(music);
}
// Pause/Resume music playing
if (IsKeyPressed(KEY_P))
{
pause = !pause;
if (pause) PauseMusicStream(music);
else ResumeMusicStream(music);
}
// Get normalized time played for current music stream
timePlayed = GetMusicTimePlayed(music)/GetMusicTimeLength(music);
if (timePlayed > 1.0f) timePlayed = 1.0f; // Make sure time played is no longer than music
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawText("MUSIC SHOULD BE PLAYING!", 255, 150, 20, LIGHTGRAY);
DrawRectangle(200, 200, 400, 12, LIGHTGRAY);
DrawRectangle(200, 200, (int)(timePlayed*400.0f), 12, MAROON);
DrawRectangleLines(200, 200, 400, 12, GRAY);
DrawText("PRESS SPACE TO RESTART MUSIC", 215, 250, 20, LIGHTGRAY);
DrawText("PRESS P TO PAUSE/RESUME MUSIC", 208, 280, 20, LIGHTGRAY);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadMusicStream(music); // Unload music stream buffers from RAM
CloseAudioDevice(); // Close audio device (music streaming is automatically stopped)
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}