public void PlayUrl(string url)
{
if (playbackStarting)
{
return;
}
playbackStarting = true;
Bass.BASS_ChannelStop(streamHandle);
new Thread(() =>
{
streamHandle = Bass.BASS_StreamCreateURL(url, (int)BASSFlag.BASS_DEFAULT, (int)BASSFlag.BASS_DEFAULT, null, IntPtr.Zero);
if (streamHandle == 0)
{
OnException?.Invoke(this, new Exception(Bass.BASS_ErrorGetCode().ToString()));
return;
}
Bass.BASS_ChannelSetSync(streamHandle, BASSSync.BASS_SYNC_END, 1, playbackStopped, IntPtr.Zero);
Bass.BASS_ChannelSetSync(streamHandle, BASSSync.BASS_SYNC_STALL, 1, playbackStalled, IntPtr.Zero);
Bass.BASS_ChannelPlay(streamHandle, false);
tmrUpdatePosition.Start();
PlaybackState = PlaybackStates.PLAYING;
OnPlaybackStateChanged?.Invoke(this, PlaybackStates.PLAYING);
playbackStarting = false;
}).Start();
}
private void OnPlaybackStopped(int handle, int channel, int data, IntPtr user)
{
OnPlaybackEnded?.Invoke(this, null);
tmrUpdatePosition.Stop();
PlaybackState = PlaybackStates.STOPPED;
OnPlaybackStateChanged?.Invoke(this, PlaybackStates.STOPPED);
}
public void Pause()
{
if (Bass.BASS_ChannelIsActive(streamHandle) == BASSActive.BASS_ACTIVE_PLAYING)
{
Bass.BASS_ChannelPause(streamHandle);
tmrUpdatePosition.Stop();
PlaybackState = PlaybackStates.PAUSED;
OnPlaybackStateChanged?.Invoke(this, PlaybackStates.PAUSED);
}
}
public void Play()
{
if (Bass.BASS_ChannelIsActive(streamHandle) == BASSActive.BASS_ACTIVE_PAUSED)
{
Bass.BASS_ChannelPlay(streamHandle, false);
tmrUpdatePosition.Start();
PlaybackState = PlaybackStates.PLAYING;
OnPlaybackStateChanged?.Invoke(this, PlaybackStates.PLAYING);
}
}
public Mp3Player()
{
PlaybackState = PlaybackStates.STOPPED;
tmrUpdatePosition = new Timer(1000);
tmrUpdatePosition.Elapsed += TmrUpdatePosition_Elapsed;
if (!Bass.BASS_Init(-1, 44100, 0, IntPtr.Zero))
{
OnException?.Invoke(this, new Exception("Failed to initialize audio device."));
}
playbackStopped = OnPlaybackStopped;
playbackStalled = OnPlaybackStalled;
}
public void PlayPause()
{
switch (Bass.BASS_ChannelIsActive(streamHandle))
{
case BASSActive.BASS_ACTIVE_STOPPED:
case BASSActive.BASS_ACTIVE_PAUSED:
case BASSActive.BASS_ACTIVE_STALLED:
if (streamHandle != 0)
{
Bass.BASS_ChannelPlay(streamHandle, false);
PlaybackState = PlaybackStates.PLAYING;
OnPlaybackStateChanged?.Invoke(this, PlaybackStates.PLAYING);
}
break;
case BASSActive.BASS_ACTIVE_PLAYING:
Bass.BASS_ChannelPause(streamHandle);
PlaybackState = PlaybackStates.PAUSED;
OnPlaybackStateChanged?.Invoke(this, PlaybackStates.PAUSED);
break;
}
}
private void OnPlaybackStalled(int handle, int channel, int data, IntPtr user)
{
PlaybackState = PlaybackStates.STALLED;
OnPlaybackStateChanged?.Invoke(this, PlaybackStates.STALLED);
}
