[NotNull] private static DecoderPipeline GetOrCreateDecoderPipeline(FrameFormat format, [NotNull] IVolumeProvider volume)
{
if (volume == null)
{
throw new ArgumentNullException("volume");
}
ConcurrentPool <DecoderPipeline> pool;
if (!FreePipelines.TryGetValue(format, out pool))
{
pool = new ConcurrentPool <DecoderPipeline>(3, () => {
var decoder = DecoderFactory.Create(format);
return(new DecoderPipeline(decoder, format.FrameSize, p =>
{
p.Reset();
Recycle(format, p);
}));
});
FreePipelines[format] = pool;
}
var pipeline = pool.Get();
pipeline.Reset();
pipeline.VolumeProvider = volume;
return(pipeline);
}
[NotNull] private static ConcurrentPool <DecoderPipeline> GetPool(FrameFormat format)
{
ConcurrentPool <DecoderPipeline> pool;
if (!Pools.TryGetValue(format, out pool))
{
pool = new ConcurrentPool <DecoderPipeline>(3, () => {
var decoder = DecoderFactory.Create(format);
var uuid = _nextPipelineId.ToString();
return(new DecoderPipeline(decoder, format.FrameSize, p => {
p.Reset();
Recycle(format, p);
}, uuid));
});
Pools[format] = pool;
_nextPipelineId++;
}
return(pool);
}