[−][src]Struct fermium::audio::SDL_AudioSpec
The calculated values in this structure are calculated by SDL_OpenAudio().
For multi-channel audio, the default SDL channel mapping is:
2: FL FR (stereo)
3: FL FR LFE (2.1 surround)
4: FL FR BL BR (quad)
5: FL FR FC BL BR (quad + center)
6: FL FR FC LFE SL SR (5.1 surround - last two can also be BL BR)
7: FL FR FC LFE BC SL SR (6.1 surround)
8: FL FR FC LFE BL BR SL SR (7.1 surround)
Fields
freq: c_int
DSP frequency -- samples per second
format: SDL_AudioFormat
Audio data format
channels: u8
Number of channels: 1 mono, 2 stereo, etc
silence: u8
Audio buffer silence value (calculated)
samples: u16
Audio buffer size in sample FRAMES (total samples divided by channel count)
padding: u16
Necessary for some compile environments
size: u32
Audio buffer size in bytes (calculated)
callback: SDL_AudioCallback
Callback that feeds the audio device (NULL to use SDL_QueueAudio()).
userdata: *mut c_void
Userdata passed to callback (ignored for NULL callbacks).
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