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[[SDL_AudioCVT]] [[SDL_ConvertAudio]], [[SDL_AudioCVT]] [[SDL_ConvertAudio]] [[SDL_AudioCVT]] |
SDL_BuildAudioCVT
Use this function to initialize a SDL_AudioCVT structure for conversion.
Contents
Syntax
int SDL_BuildAudioCVT (SDL_AudioCVT* cvt,
SDL_AudioFormat src_format,
Uint8 src_channels,
int src_rate,
SDL_AudioFormat dst_format,
Uint8 dst_channels,
int dst_rate)
Function Parameters
cvt |
A pointer to an SDL_AudioCVT structure that is filled in with audio conversion information. |
src_format |
The source format of the audio data. |
src_channels |
The number of channels in the source. |
src_rate |
The frequency or samples-per-second of the source. |
dst_format |
The destination format of the audio data. |
dst_channels |
The number of channels in the destination. |
dst_rate |
The frequency or samples-per-second of the destination. |
Return Value
Returns -1 if the format conversion is not supported, 0 if there's no conversion needed, or 1 if the audio filter is set up.
Code Examples
You can add your code example here
Remarks
Before an SDL_AudioCVT structure can be used to convert audio data it must be initialized with source and destination information.
For information on audio formats see SDL_AudioSpec.
