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SDL_AudioCVT(3) SDL API Reference SDL_AudioCVT(3) NAME SDL_AudioCVT - Audio Conversion Structure STRUCTURE DEFINITION typedef struct{ int needed; Uint16 src_format; Uint16 dest_format; double rate_incr; Uint8 *buf; int len; int len_cvt; int len_mult; double len_ratio; void (*filters[10])(struct SDL_AudioCVT *cvt, Uint16 format); int filter_index; } SDL_AudioCVT; STRUCTURE DATA needed Set to one if the conversion is possible src_format Audio format of the source dest_format Audio format of the destination rate_incr Rate conversion increment buf Audio buffer len Length of the original audio buffer in bytes len_cvt Length of converted audio buffer in bytes (calculated) len_mult buf must be len*len_mult bytes in size(calculated) len_ratio Final audio size is len*len_ratio filters[10](..) Pointers to functions needed for this conversion filter_index Current conversion function DESCRIPTION The SDL_AudioCVT is used to convert audio data between different formats. A SDL_AudioCVT structure is created with the SDL_BuildAudioCVT function, while the actual conversion is done by the SDL_ConvertAudio function. Many of the fields in the SDL_AudioCVT structure should be considered pri- vate and their function will not be discussed here. Uint8 *buf int len int len_mult double len_ratio SEE ALSO SDL_BuildAudioCVT, SDL_ConvertAudio, SDL_AudioSpec SDL Tue 11 Sep 2001, 22:58 SDL_AudioCVT(3)
NAME | STRUCTURE DEFINITION | STRUCTURE DATA | DESCRIPTION | SEE ALSO
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