public void AdjustVolume(double level)
{
float volume = (float)(level / 100.0);
if (volume == 0.0)
{
volume = 0.1f;
}
_audioPlayer.SetVolume(volume, 0);
}
public void SetVolume(bool isUp)
{
if (isUp)
{
_mediaPlayer?.SetVolume(0, 0);
}
else
{
_mediaPlayer?.SetVolume(1, 1);
}
}
public void SetVolume(double volume)
{
volume = Math.Max(0, volume);
volume = Math.Min(1, volume);
player.SetVolume((float)volume, (float)volume);
}
public void SetVolume(float leftVolume, float rightVolume)
{
mLeftVolume = leftVolume;
mRightVolume = rightVolume;
if (mAudioPlayer != null)
{
mAudioPlayer.SetVolume(leftVolume, rightVolume);
}
}
protected void Init(MusicStream Wave)
{
_mode = (AudioTrackMode)Wave.Mode;
if (_mode == AudioTrackMode.Static)
{
_player = new AudioTrack(
// Stream type
(Android.Media.Stream)Wave.Type,
// Frequency
Wave.SampleRate,
// Mono or stereo
(ChannelOut)Wave.Config,
// Audio encoding
(Encoding)Wave.Format,
// Length of the audio clip.
(int)Wave.SizeInBytes,
// Mode. Stream or static.
AudioTrackMode.Static);
}
else
{
_player = new AudioTrack(
// Stream type
(Android.Media.Stream)Wave.Type,
// Frequency
Wave.SampleRate,
// Mono or stereo
(ChannelOut)Wave.Config,
// Audio encoding
(Encoding)Wave.Format,
// Length of the audio clip.
_buffersize = AudioTrack.GetMinBufferSize(Wave.SampleRate,
(ChannelOut)Wave.Config, (Encoding)Wave.Format),
// Mode. Stream or static.
AudioTrackMode.Stream);
}
_duration = Wave.Duration;
_loop = Wave.Loop;
_frames = Wave.Samples;
_player.SetVolume(_volume = Wave.Volume);
_player.SetNotificationMarkerPosition(_frames * 31 / 32);
if (_mode == AudioTrackMode.Static)
{
_player.Write(Wave.Content.ReadFully(true), 0, (int)Wave.Content.Length);
}
else
{
Set((sender, e) => { if (_loop)
{
_player.Release(); Init(_Wave); Write();
}
; });
_content = Wave.Content.ReadFully(true);
}
_prepared = true;
}
protected void Init(MusicStream Wave)
{// To get preferred buffer size and sampling rate.
AudioManager audioManager = (AudioManager)
Forms.Context.GetSystemService(Android.Content.Context.AudioService);
Rate = int.Parse(audioManager.GetProperty(AudioManager.PropertyOutputSampleRate));
//string Size = audioManager.GetProperty(AudioManager.PropertyOutputFramesPerBuffer);
SampleRate = Wave.SampleRate;
_content = Wave.Content;
int SizeInBytes = Wave.SizeInBytes - 44;
_player = new AudioTrack(
// Stream type
(Android.Media.Stream)Wave.Type,
// Frequency
Rate,
// Mono or stereo
(ChannelOut)Wave.Config,
// Audio encoding
(Encoding)Wave.Format,
// Length of the audio clip.
SizeInBytes,
// Mode. Stream or static.
(AudioTrackMode)Wave.Mode);
_loop = Wave.Loop;
_volume = Wave.Volume;
_player.SetVolume(_volume = Wave.Volume);
#if true
//int ch = Wave.Channels;
//_start = 0;// (int)Wave.Content.Length / ch;
//_stop = (int)Wave.Content.Length;// / ch / 2 / 2 + 16000
#elif false
_player.SetNotificationMarkerPosition(SizeInBytes / 2);
_player.MarkerReached += (object sender, AudioTrack.MarkerReachedEventArgs e) =>
{ if (_loop)
{
e.Track.SetPlaybackHeadPosition(0);
}
};
#elif false
Device.StartTimer(Wave.Duration, () => { if (_loop)
{
_player.SetPlaybackHeadPosition(0);
}
return(_loop); });
#endif
_prepared = true;
}
public void ToggleEngine()
{
if (_audioPlayer != null)
{
_audioPlayer.FinishedPlaying -= OnMediaCompleted;
_audioPlayer.Stop();
_audioPlayer = null;
}
else
{
string localUrl = "Sounds/engine.m4a";
_audioPlayer = AVAudioPlayer.FromUrl(NSUrl.FromFilename(localUrl));
_audioPlayer.SetVolume(0.1f, 0);
_audioPlayer.FinishedPlaying += OnMediaCompleted;
_audioPlayer.Play();
}
}
private void SetVolume(double dVolume, double dBalance)
{
if (Player == null)
{
return;
}
dVolume = Math.Max(0, dVolume);
dVolume = Math.Min(1, dVolume);
dBalance = Math.Max(0, dBalance);
dBalance = Math.Min(1, dBalance);
var right = (dBalance < 0) ? dVolume * -1 * dBalance : dVolume;
var left = (dBalance > 0) ? dVolume * 1 * dBalance : dVolume;
Player.SetVolume((float)left, (float)right);
}
public void SetVolume(double volume, double balance)
{
if (player == null)
{
return;
}
volume = Math.Max(0, volume);
volume = Math.Min(1, volume);
balance = Math.Max(0, balance);
balance = Math.Min(1, balance);
var right = (balance < 0) ? volume * -1 * balance : volume;
var left = (balance > 0) ? volume * 1 * balance : volume;
player.SetVolume((float)left, (float)right);
}
protected void Init(Stream Content, bool Loop, float Volume)
{
_content = Content;
_player = new AudioTrack(
// Stream type
Android.Media.Stream.Music,
// Frequency
11025,
// Mono or stereo
ChannelOut.Mono,
// Audio encoding
Encoding.Pcm16bit,
// Length of the audio clip.
(int)Content.Length,
// Mode. Stream or static.
AudioTrackMode.Stream);
_loop = Loop;
_volume = Volume;
_player.SetVolume(_volume = Volume);
_player.SetNotificationMarkerPosition((int)Content.Length / 2);
_prepared = true;
}
public void Play()
{
_audioPlayer?.SetVolume(1, 0);
_audioPlayer?.Play();
}
