internal Song(string fileName)
{
FilePath = fileName;
initializeMixer();
INTERNAL_mixMusic = SDL_mixer.Mix_LoadMUS(fileName);
IsDisposed = false;
}
internal Song(string fileName)
{
FilePath = fileName;
Name = Path.GetFileNameWithoutExtension(FilePath);
initializeMixer();
INTERNAL_mixMusic = SDL_mixer.Mix_LoadMUS(fileName);
IsDisposed = false;
}
public override void load(string path)
{
music = SDL_mixer.Mix_LoadMUS(path);
if (music == IntPtr.Zero)
{
Console.WriteLine($"There was an issue loading the music. {SDL.SDL_GetError()}");
Environment.Exit(-1);
}
}
public override Music GetMusic(string fileId, IFileResolver fileResolver)
{
IntPtr chunk = SDL_mixer.Mix_LoadMUS(fileResolver.Resolve(fileId));
if (!chunk.Equals(IntPtr.Zero))
{
return(new SDLMusic(fileId, chunk));
}
return(null);
}
/// <summary>
/// Loads a music file from the Assets directory. Supports the following formats: WAV, OGG, MP3, FLAC.
/// </summary>
/// <param name="path">The path to the music file, relative to the Assets directory.</param>
public static Music LoadMusic(string path)
{
IntPtr handle = SDL_mixer.Mix_LoadMUS(GetAssetPath(path));
if (handle == IntPtr.Zero)
{
throw new Exception("Failed to load music.");
}
return(new Music(handle));
}
public static Music Load(string path)
{
var sdlMusic = SDL_mixer.Mix_LoadMUS(path);
if (sdlMusic == IntPtr.Zero)
{
throw new InvalidOperationException($"Cant load music '{path}': {SDL.SDL_GetError()}");
}
return(new Music(sdlMusic));
}
private void LoadAndPrepareResources()
{
music_mp3 = SDL_mixer.Mix_LoadMUS("ringtone.mp3");
if (music_mp3 == IntPtr.Zero)
{
Console.WriteLine("Failed to load mp3! SDL_mixer error {0}", SDL.SDL_GetError());
}
SDL_mixer.Mix_PlayMusic(music_mp3, -1);
music_wav = SDL_mixer.Mix_LoadWAV("beat.wav");
if (music_wav == IntPtr.Zero)
{
Console.WriteLine("Failed to load wav! SDL_mixer error {0}", SDL.SDL_GetError());
}
font = SDL_ttf.TTF_OpenFont("lazy.ttf", 64);
if (font == IntPtr.Zero)
{
Console.WriteLine("Failed to load lazy font! SDL_ttf Error: {0}", SDL.SDL_GetError());
}
//Render text surface
var textColor = new SDL.SDL_Color();
var textSurface = SDL_ttf.TTF_RenderText_Solid(font, "Hello SDL2 World!", textColor);
if (textSurface == IntPtr.Zero)
{
Console.WriteLine("Unable to render text surface! SDL_ttf Error: {0}", SDL.SDL_GetError());
}
texture_text = SDL.SDL_CreateTextureFromSurface(renderer, textSurface);
if (texture_text == IntPtr.Zero)
{
Console.WriteLine("Unable to create texture from rendered text! SDL Error: {0}", SDL.SDL_GetError());
}
s_text = Marshal.PtrToStructure <SDL.SDL_Surface>(textSurface);
IntPtr image_png = SDL_image.IMG_Load("transparent.png");
if (image_png == IntPtr.Zero)
{
Console.WriteLine("Unable to load image! SDL_image Error: {0}", SDL.SDL_GetError());
}
s_png = Marshal.PtrToStructure <SDL.SDL_Surface>(image_png);
SDL.SDL_SetColorKey(image_png, (int)SDL.SDL_bool.SDL_TRUE, SDL.SDL_MapRGB(s_png.format, 0, 0xFF, 0xFF));
texture_png = SDL.SDL_CreateTextureFromSurface(renderer, image_png);
if (texture_png == IntPtr.Zero)
{
Console.WriteLine("Unable to create texture from png! SDL Error: {0}", SDL.SDL_GetError());
}
}
static bool LoadMedia()
{
//Loading success flag
bool success = true;
if (!_PromptTexture.LoadFromFile("prompt.png"))
{
Console.WriteLine("Failed to load!");
success = false;
}
//Load music
_Music = SDL_mixer.Mix_LoadMUS("beat.wav");
if (_Music == IntPtr.Zero)
{
Console.WriteLine("Failed to load! {0}", SDL.SDL_GetError());
success = false;
}
//Load sound effects
_Scratch = SDL_mixer.Mix_LoadWAV("scratch.wav");
if (_Scratch == IntPtr.Zero)
{
Console.WriteLine("Failed to load! {0}", SDL.SDL_GetError());
success = false;
}
_High = SDL_mixer.Mix_LoadWAV("high.wav");
if (_High == IntPtr.Zero)
{
Console.WriteLine("Failed to load! {0}", SDL.SDL_GetError());
success = false;
}
_Medium = SDL_mixer.Mix_LoadWAV("medium.wav");
if (_Medium == IntPtr.Zero)
{
Console.WriteLine("Failed to load! {0}", SDL.SDL_GetError());
success = false;
}
_Low = SDL_mixer.Mix_LoadWAV("low.wav");
if (_Low == IntPtr.Zero)
{
Console.WriteLine("Failed to load! {0}", SDL.SDL_GetError());
success = false;
}
return(success);
}
public static IntPtr Music(string path)
{
if (music == null)
{
music = new Dictionary <string, IntPtr>();
}
if (!music.ContainsKey(path))
{
var audioPath = LoadPath(path);
var newAudio = SDL_mixer.Mix_LoadMUS(Assets.LoadPath(audioPath));
music.Add(path, newAudio);
}
return(music[path]);
}
public bool LoadSong(string filename, List <BpmChangeEvent> bpmChanges)
{
IsFinished = false;
streamHandle = SDL_mixer.Mix_LoadMUS(filename);
Globals.BpmEvents = bpmChanges;
Globals.BpmEvents = Globals.BpmEvents.OrderBy(x => x.StartBeat).ToList();
for (int i = 0; i < Globals.BpmEvents.Count; i++)
{
if (i > 0)
{
Globals.BpmEvents[i].StartSeconds = (Globals.BpmEvents[i].StartBeat - Globals.BpmEvents[i - 1].StartBeat) / Globals.BpmEvents[i - 1].BPM * 60 + Globals.BpmEvents[i - 1].StartSeconds;
}
}
//SongBpm = bpm;
// Globals.CurrentBpm = Globals.BpmEvents[0].BPM;
// create hooks here
SDL_mixer.Mix_HookMusic(MixDelegate, IntPtr.Zero);
SDL_mixer.Mix_HookMusicFinished(FinishedDelegate);
// Use the left channel for grabbing this info for now.
// Is this correct? I'm not sure.
IntPtr leftChannelMixChunk = SDL_mixer.Mix_GetChunk(leftChannel);
SDL_mixer.Mix_QuerySpec(out frequency, out format, out channels);
unsafe
{
byte *pLeftChannel = (byte *)leftChannelMixChunk.ToPointer();
if (pLeftChannel != null)
{
/*
* typedef struct Mix_Chunk {
* int allocated;
* Uint8 *abuf;
* Uint32 alen;
* Uint8 volume;
* } Mix_Chunk;
* get the value of alen within this struct
* refer to https://www.libsdl.org/projects/SDL_mixer/docs/SDL_mixer.html#SEC85 for more details
*/
SongLengthBytes = *(pLeftChannel + sizeof(int) + sizeof(byte));
SongLengthSec = GetCurrentSec(SongLengthBytes);
}
}
return(streamHandle == IntPtr.Zero ? false : true);
}
public static void Main()
{
int audio_rate = 44100;
ushort audio_format = SDL.AUDIO_S16SYS;
int audio_channels = 2;
int audio_buffers = 4096;
int audio_volume = SDL_mixer.MIX_MAX_VOLUME;
int timeleft = 50;
SDL.SDL_Init(SDL.SDL_INIT_AUDIO);
if (SDL_mixer.Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers) < 0)
{
return;
}
else
{
SDL_mixer.Mix_QuerySpec(out audio_rate, out audio_format, out audio_channels);
}
SDL_mixer.Mix_AllocateChannels(32);
SDL_mixer.Mix_VolumeMusic(audio_volume / 3);
System.IntPtr music = SDL_mixer.Mix_LoadMUS("Tetris_theme.ogg");
System.IntPtr wave = SDL_mixer.Mix_LoadWAV("Meow.ogg");
SDL_mixer.Mix_FadeInMusic(music, 1, 2000);
while (SDL_mixer.Mix_PlayingMusic() != 0)
{
SDL.SDL_Delay(100);
timeleft--;
if (timeleft == 0)
{
break;
}
if (timeleft == 25)
{
SDL_mixer.Mix_PlayChannel(-1, wave, 0);
}
}
SDL_mixer.Mix_FadeOutMusic(2000);
SDL_mixer.Mix_FreeMusic(music);
SDL_mixer.Mix_FreeChunk(wave);
SDL.SDL_Delay(500);
SDL_mixer.Mix_CloseAudio();
SDL.SDL_Quit();
}
static int prechargerMusiques()
{
try
{
musiques = new Dictionary <String, IntPtr>()
{
// écran jeu
{ "jeu_1", SDL_mixer.Mix_LoadMUS(@"res\musiques\jeu_1.mp3") },
{ "jeu_2", SDL_mixer.Mix_LoadMUS(@"res\musiques\jeu_2.mp3") },
// écran titre
{ "titre", SDL_mixer.Mix_LoadMUS(@"res\musiques\titre.mp3") }
};
return(0);
}
catch
{
return(1);
}
}
static void Main(string[] args)
{
FFI.CreateContext("Little Polygon C# Demo", 3 * 320, 3 * 115, "");
// PLAY SOME MUSIC
var mus = SDL_mixer.Mix_LoadMUS("song.mid");
if (mus != IntPtr.Zero)
{
SDL_mixer.Mix_PlayMusic(mus, -1);
}
// BASIC EVENT LOOP
var window = SDL.SDL_GL_GetCurrentWindow();
while (!gDone)
{
HandleEvents();
FFI.ClearScreen();
SDL.SDL_GL_SwapWindow(window);
}
FFI.DestroyContext();
}
private void LoadAndPlayMusic()
{
MusicPointer = SDL_mixer.Mix_LoadMUS(MusicFilePath);
SDL_mixer.Mix_FadeInMusic(MusicPointer.Value, -1, 1000);
SDL_mixer.Mix_VolumeMusic(MusicVolume);
}
public Music(string File)
{
myPtr = SDL_mixer.Mix_LoadMUS(File);
CheckPtr();
}
public MixerMusic(string filePath)
{
mixerMusicPtr = SDL_mixer.Mix_LoadMUS(filePath);
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Please pass in a mp3 file");
}
if (SDL.SDL_Init(SDL.SDL_INIT_EVERYTHING) < 0)
{
Console.WriteLine(SDL.SDL_GetError());
Environment.Exit(1);
}
if (SDL_mixer.Mix_Init(SDL_mixer.MIX_InitFlags.MIX_INIT_MP3) < 0)
{
Console.WriteLine(SDL.SDL_GetError());
Environment.Exit(1);
}
IntPtr window = SDL.SDL_CreateWindow("Yay", SDL.SDL_WINDOWPOS_CENTERED, SDL.SDL_WINDOWPOS_CENTERED, 1024, 600, SDL.SDL_WindowFlags.SDL_WINDOW_SHOWN);
if (window == IntPtr.Zero)
{
Console.WriteLine(SDL.SDL_GetError());
Console.WriteLine("Sad: Window");
Environment.Exit(1);
}
IntPtr renderer = SDL.SDL_CreateRenderer(window, -1, SDL.SDL_RendererFlags.SDL_RENDERER_ACCELERATED | SDL.SDL_RendererFlags.SDL_RENDERER_PRESENTVSYNC);
if (renderer == IntPtr.Zero)
{
Console.WriteLine(SDL.SDL_GetError());
Console.WriteLine("Sad: Renderer");
Environment.Exit(1);
}
if (SDL_mixer.Mix_OpenAudio(44100, SDL_mixer.MIX_DEFAULT_FORMAT, 2, 2048) < 0)
{
Console.WriteLine(SDL.SDL_GetError());
Console.WriteLine("Sad: Mixer");
Environment.Exit(1);
}
bool mp3Done = false;
IntPtr joy = SDL_mixer.Mix_LoadMUS(args[0]);
if (joy == IntPtr.Zero)
{
Console.WriteLine(SDL.SDL_GetError());
Console.WriteLine("Sad: Mix_LoadMUS");
Environment.Exit(1);
}
MPGImport.mpg123_init();
Int32 err = 0;
GCHandle handleErr = GCHandle.Alloc(err, GCHandleType.Pinned);
IntPtr ptrErr = GCHandle.ToIntPtr(handleErr);
IntPtr handle_mpg = MPGImport.mpg123_new(null, ptrErr);
int x = MPGImport.mpg123_open(handle_mpg, args[0]);
handleErr.Free();
MPGImport.mpg123_format_none(handle_mpg);
MPGImport.mpg123_format(handle_mpg, 44100, 2, (int)MPGImport.mpg123_enc_enum.MPG123_ENC_SIGNED_16);
int FrameSize = MPGImport.mpg123_outblock(handle_mpg);
byte[] Buffer = new byte[FrameSize];
int lengthSamples = MPGImport.mpg123_length(handle_mpg);
if (SDL_mixer.Mix_PlayMusic(joy, 0) < 0)
{
Console.WriteLine(SDL.SDL_GetError());
Console.WriteLine("Sad: Mix_PlayMusic");
Environment.Exit(1);
}
object fun = new object();
List <Int16> LeftChannels = new List <Int16>();
List <Int16> RightChannels = new List <Int16>();
SDL_mixer.Mix_HookMusic((uData, stream, len) => {
byte[] mixData = new byte[len];
byte[] managedStream = new byte[len];
Marshal.Copy(stream, managedStream, 0, len);
IntPtr done = IntPtr.Zero;
if (MPGImport.mpg123_read(handle_mpg, managedStream, len, out done) is int hello)
{
if (hello == -12)
{
mp3Done = true;
}
else if (hello == 0)
{
// foreach (var b in managedStream.Select((value, idx) => (value, idx)).Where((value, idx) => idx % 4 == 0)) {
Int16 leftChannel;
Int16 rightChannel;
byte[] datum = new byte[2];
datum[0] = managedStream[0];
datum[1] = managedStream[1];
leftChannel = BitConverter.ToInt16(datum, 0);
datum[0] = managedStream[2];
datum[1] = managedStream[3];
rightChannel = BitConverter.ToInt16(datum, 0);
leftChannel = (Int16)Math.Sqrt(leftChannel);
rightChannel = (Int16)Math.Sqrt(rightChannel);
lock (fun) {
LeftChannels.Add(leftChannel);
RightChannels.Add(rightChannel);
}
// }
}
}
Marshal.Copy(managedStream, 0, stream, len);
}, IntPtr.Zero);
SDL.SDL_Event e;
bool quit = false;
while (!quit)
{
while (SDL.SDL_WaitEventTimeout(out e, 10) != 0)
{
switch (e.type)
{
case SDL.SDL_EventType.SDL_KEYDOWN:
switch (e.key.keysym.sym)
{
case SDL.SDL_Keycode.SDLK_ESCAPE:
quit = true;
break;
}
break;
case SDL.SDL_EventType.SDL_QUIT:
quit = true;
break;
}
}
if (mp3Done)
{
quit = true;
}
else
{
SDL.SDL_RenderClear(renderer);
SDL.SDL_SetRenderDrawColor(renderer, 218, 112, 214, 255);
// 40 is perfect.. ;)
lock (fun) {
foreach (var channel in LeftChannels.Select((value, idx) => (value, idx)))
{
if (channel.idx > 40)
{
continue;
}
SDL.SDL_Rect rect = new SDL.SDL_Rect()
{
x = channel.idx * 20,
y = 300,
w = 15,
h = -channel.value
};
SDL.SDL_RenderDrawRect(renderer, ref rect);
}
if (LeftChannels.Count > 40)
{
LeftChannels.RemoveAt(0);
}
foreach (var channel in RightChannels.Select((value, idx) => (value, idx)))
{
if (channel.idx > 40)
{
continue;
}
SDL.SDL_Rect rect = new SDL.SDL_Rect()
{
x = channel.idx * 20,
y = 315,
w = 15,
h = channel.value
};
SDL.SDL_RenderDrawRect(renderer, ref rect);
}
if (RightChannels.Count > 40)
{
RightChannels.RemoveAt(0);
}
}
SDL.SDL_Rect r = new SDL.SDL_Rect()
{
x = 0,
y = 300,
w = 1024,
h = 10
};
// SDL.SDL_RenderClear(renderer);
// SDL.SDL_SetRenderDrawColor(renderer, 218, 112, 214, 255);
SDL.SDL_RenderDrawRect(renderer, ref r);
SDL.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL.SDL_RenderPresent(renderer);
}
}
SDL_mixer.Mix_FreeMusic(joy);
SDL.SDL_Quit();
}
