public override async Task <int> CreateStream(PlaylistItem playlistItem, BassFlags flags)
#endif
{
if (!flags.HasFlag(BassFlags.DSDRaw))
{
#if NET40
return(base.CreateStream(playlistItem, flags));
#else
return(await base.CreateStream(playlistItem, flags).ConfigureAwait(false));
#endif
}
#if NET40
this.Semaphore.Wait();
#else
await this.Semaphore.WaitAsync().ConfigureAwait(false);
#endif
try
{
var channelHandle = default(int);
if (this.Output != null && this.Output.PlayFromMemory)
{
channelHandle = BassDsdInMemoryHandler.CreateStream(playlistItem.FileName, 0, 0, flags);
if (channelHandle == 0)
{
Logger.Write(this, LogLevel.Warn, "Failed to load file into memory: {0}", playlistItem.FileName);
}
}
else
{
channelHandle = BassDsd.CreateStream(playlistItem.FileName, 0, 0, flags);
}
if (channelHandle != 0)
{
var query = this.BassStreamPipelineFactory.QueryPipeline();
var channels = BassUtils.GetChannelCount(channelHandle);
var rate = BassUtils.GetChannelDsdRate(channelHandle);
if (query.OutputChannels < channels || !query.OutputRates.Contains(rate))
{
Logger.Write(this, LogLevel.Warn, "DSD format {0}:{1} is unsupported, the stream will be unloaded. This warning is expensive, please don't attempt to play unsupported DSD.", rate, channels);
this.FreeStream(playlistItem, channelHandle);
channelHandle = 0;
}
}
#if NET40
return(TaskEx.FromResult(channelHandle));
#else
return(channelHandle);
#endif
}
finally
{
this.Semaphore.Release();
}
}
protected virtual bool IsFormatSupported(PlaylistItem playlistItem, int channelHandle)
{
var query = this.BassStreamPipelineFactory.QueryPipeline();
var channels = BassUtils.GetChannelCount(channelHandle);
var rate = BassUtils.GetChannelDsdRate(channelHandle);
if (query.OutputChannels < channels || !query.OutputRates.Contains(rate))
{
Logger.Write(this, LogLevel.Warn, "DSD format {0}:{1} is unsupported, the stream will be unloaded. This warning is expensive, please don't attempt to play unsupported DSD.", rate, channels);
return(false);
}
return(true);
}
public override bool CheckFormat(BassOutputStream stream)
{
var rate = default(int);
var channels = default(int);
if (BassUtils.GetChannelDsdRaw(stream.ChannelHandle))
{
rate = BassUtils.GetChannelDsdRate(stream.ChannelHandle);
channels = BassUtils.GetChannelCount(stream.ChannelHandle);
}
else
{
rate = BassUtils.GetChannelPcmRate(stream.ChannelHandle);
channels = BassUtils.GetChannelCount(stream.ChannelHandle);
}
return(this.Rate == rate && this.Channels == channels);
}
