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Document the SDL audio channel mapping

This commit is contained in:
Sam Lantinga 2017-10-20 14:48:10 -07:00
parent 7a6cf53aea
commit fe2b5fec61
1 changed files with 9 additions and 0 deletions
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9
include/SDL_audio.h
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@ -164,6 +164,15 @@ typedef void (SDLCALL * SDL_AudioCallback) (void *userdata, Uint8 * stream,
/** /**
* The calculated values in this structure are calculated by SDL_OpenAudio(). * 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)
*/ */
typedef struct SDL_AudioSpec typedef struct SDL_AudioSpec
{ {