public AudioTrack(AudioTrackData data, AudioSystem system)
{
this._trackState = TrackState.STATE_IDLE;
this._trackData = data;
this._channels = new Dictionary <string, AudioChannel>();
data.GenerateChannels(ref this._channels, this, system);
this._parentSystem = system;
}
public static void ReturnAudioTrack(AudioTrack audioTrack)
{
AudioTrackData audioTrackData = null;
for (int i = 0; i < m_audioTracks.Count; i++)
{
if (m_audioTracks[i].AudioTrack == audioTrack)
{
audioTrackData = m_audioTracks[i];
break;
}
}
if (!Mixer.EnableAudioTrackCaching)
{
if (audioTrackData != null)
{
m_audioTracks.Remove(audioTrackData);
}
audioTrack.Pause();
audioTrack.Release();
return;
}
if (audioTrackData == null)
{
audioTrack.Pause();
audioTrack.Release();
return;
}
bool flag = false;
if (m_audioTracks.Count > 16)
{
flag = true;
for (int j = 0; j < m_audioTracks.Count; j++)
{
if (m_audioTracks[j].BytesCount < audioTrackData.BytesCount)
{
flag = false;
break;
}
}
}
if (flag)
{
audioTrack.Pause();
audioTrack.Release();
m_audioTracks.Remove(audioTrackData);
}
else
{
audioTrack.Stop();
audioTrack.SetPlaybackHeadPosition(audioTrackData.BytesCount / audioTrackData.SoundBuffer.ChannelsCount / 2);
audioTrackData.ReloadStaticDataTime = Time.FrameStartTime + 0.75;
}
LogCacheStats();
}
public static AudioTrack GetAudioTrack(SoundBuffer soundBuffer, bool isLooped)
{
if (!isLooped && Mixer.EnableAudioTrackCaching && m_audioTracks.Count >= 16)
{
foreach (AudioTrackData audioTrack2 in m_audioTracks)
{
if (audioTrack2.IsAvailable && audioTrack2.SoundBuffer == soundBuffer)
{
audioTrack2.IsAvailable = false;
m_cacheHits++;
LogCacheStats();
return(audioTrack2.AudioTrack);
}
}
AudioTrackData audioTrackData = null;
foreach (AudioTrackData audioTrack3 in m_audioTracks)
{
if (audioTrack3.IsAvailable && audioTrack3.SoundBuffer.ChannelsCount == soundBuffer.ChannelsCount && audioTrack3.SoundBuffer.SamplingFrequency == soundBuffer.SamplingFrequency && audioTrack3.BytesCount >= soundBuffer.m_data.Length && (audioTrackData == null || audioTrack3.BytesCount <= audioTrackData.BytesCount))
{
audioTrackData = audioTrack3;
}
}
if (audioTrackData != null)
{
if (m_buffer == null || m_buffer.Length < audioTrackData.BytesCount)
{
m_buffer = new byte[audioTrackData.BytesCount];
}
Array.Copy(soundBuffer.m_data, 0, m_buffer, 0, soundBuffer.m_data.Length);
Array.Clear(m_buffer, soundBuffer.m_data.Length, audioTrackData.BytesCount - soundBuffer.m_data.Length);
audioTrackData.AudioTrack.Write(m_buffer, 0, audioTrackData.BytesCount);
audioTrackData.SoundBuffer = soundBuffer;
audioTrackData.IsAvailable = false;
m_cacheHitsWithWrite++;
LogCacheStats();
return(audioTrackData.AudioTrack);
}
bool flag = true;
foreach (AudioTrackData audioTrack4 in m_audioTracks)
{
if (audioTrack4.BytesCount < soundBuffer.m_data.Length)
{
flag = false;
break;
}
}
if (flag)
{
m_cacheFulls++;
Log.Warning("AudioTrackCache full, no audio tracks available.");
LogCacheStats();
return(null);
}
}
AudioTrack audioTrack = new AudioTrack(Stream.Music, soundBuffer.SamplingFrequency, (soundBuffer.ChannelsCount == 1) ? ChannelOut.FrontLeft : ChannelOut.Stereo, Encoding.Pcm16bit, soundBuffer.m_data.Length, AudioTrackMode.Static);
// AudioTrack audioTrack = new AudioTrack(new AudioAttributes.Builder().SetUsage(AudioUsageKind.Media).SetContentType(AudioContentType.Music).Build(),new AudioFormat(), soundBuffer.m_data.Length, AudioTrackMode.Static,0);
if (audioTrack.State != 0)
{
audioTrack.Write(soundBuffer.m_data, 0, soundBuffer.m_data.Length);
if (!isLooped)
{
m_audioTracks.Add(new AudioTrackData
{
AudioTrack = audioTrack,
SoundBuffer = soundBuffer,
BytesCount = soundBuffer.m_data.Length,
IsAvailable = false
});
}
else
{
Mixer.CheckTrackStatus(audioTrack.SetLoopPoints(0, soundBuffer.SamplesCount, -1));
}
}
else
{
audioTrack.Release();
audioTrack = null;
Log.Warning("Failed to create Cache AudioTrack.");
}
m_cacheMisses++;
if (Mixer.EnableAudioTrackCaching && m_cacheMisses > 200 && m_cacheMisses % 100 == 0)
{
Log.Warning("Over {0} AudioTrack objects created.", m_cacheMisses);
}
LogCacheStats();
return(audioTrack);
}
