public void BufferWave(
string file,
float volume)
{
lock (WaveBuffer)
{
var key = GetBufferKey(file, volume);
WaveBuffer[key] = new WaveDataContainer(ReadWaveSamples(file, volume));
}
}
public static void LoadTTSHistory()
{
var file = TTSHistoryFileName;
if (!File.Exists(file))
{
return;
}
lock (WaveBuffer)
{
var lines = File.ReadAllLines(file, new UTF8Encoding(false));
foreach (var line in lines)
{
var values = line.Split('\t');
if (values.Length < 2)
{
continue;
}
var key = values[0];
if (!DateTime.TryParse(values[1], out DateTime timestamp))
{
continue;
}
var keySplits = key.Split('-');
if (keySplits.Length < 2)
{
continue;
}
var waveFile = keySplits[0];
if (!File.Exists(waveFile))
{
continue;
}
WaveBuffer[key] = new WaveDataContainer()
{
LastAccessTimestamp = timestamp
};
}
}
}
public int BufferWaves(
IEnumerable <string> files,
float volume)
{
var count = 0;
lock (WaveBuffer)
{
foreach (var file in files)
{
var key = GetBufferKey(file, volume);
if (WaveBuffer.ContainsKey(key))
{
var container = WaveBuffer[key];
if ((DateTime.Now - container.LastAccessTimestamp) <= CacheToloadScope)
{
container.Samples = ReadWaveSamples(file, volume);
count++;
Thread.Yield();
}
}
else
{
WaveBuffer[key] = new WaveDataContainer(ReadWaveSamples(file, volume))
{
LastAccessTimestamp = DateTime.MinValue
};
count++;
Thread.Yield();
}
}
}
return(count);
}
public void Play(
string file,
float volume = 1.0f,
bool sync = false)
{
if (!File.Exists(file))
{
return;
}
var buffer = default(BufferedWaveProvider);
var config = Config.Instance;
if (!sync)
{
lock (this)
{
buffer = this.Buffers[this.CurrentPlayerIndex];
this.CurrentPlayerIndex++;
if (this.CurrentPlayerIndex >= config.WasapiMultiplePlaybackCount)
{
this.CurrentPlayerIndex = 0;
}
}
}
else
{
buffer = this.Buffers[config.WasapiMultiplePlaybackCount];
}
if (buffer == null)
{
return;
}
var samples = default(byte[]);
var key = GetBufferKey(file, volume);
lock (WaveBuffer)
{
if (WaveBuffer.ContainsKey(key))
{
var wave = WaveBuffer[key];
if (wave.Samples.Length > 0)
{
samples = wave.Samples;
wave.LastAccessTimestamp = DateTime.Now;
}
}
if (samples == null || samples.Length <= 0)
{
samples = ReadWaveSamples(file, volume);
WaveBuffer[key] = new WaveDataContainer(ReadWaveSamples(file, volume));
}
}
buffer.AddSamples(
samples,
0,
samples.Length);
#if DEBUG
System.Diagnostics.Debug.WriteLine($"WASAPI(Buffered) Play: {file}");
#endif
}
