| Value | Meaning |
|---|---|
| init | |
| CloseBufferSize1 << 0 | Buffer size won't be higher than the nearest power of two |
| ExactBits1 << 1 | Requests exactly the same number of bits (might be emulated) |
| ExactFormat1 << 2 | Requests exactly the same format (might be emulated) |
| CloseSampleRate1 << 3 | Requests a nearby sample rate |
| ExactSampleRate1 << 4 | Requests the exact sample rate |
| ExactInputChannels1 << 5 | Requests the exact number of input channels |
| ExactOutputChannels1 << 6 | Requests the exact number of output channels |
| UseRecommendedSpecs-1 | |
| UseRecommendedHDSpecs-2 |
Tells the stream initializer which specs are needed, or tells it to recommend a spec.