Mercurial > SDL_sound_CoreAudio

comparison alt_audio_convert.h @ 371:1b463ef9bcc2

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More work from Frank.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 25 Jun 2002 17:15:03 +0000
parents eda146d666d1
children 24a610dfbbfd
comparison
equal deleted inserted replaced
370:12023d47b716 371:1b463ef9bcc2
33 #define _fsize 32 33 #define _fsize 32
34 34
35 35
36 typedef struct{ 36 typedef struct{
37 Sint16 c[16][4*_fsize]; 37 Sint16 c[16][4*_fsize];
38 char incr[16]; 38 Uint8 incr[16];
39 int denominator; 39 int denominator;
40 int numerator; 40 int numerator;
41 } VarFilter; 41 } VarFilter;
42 42
43 typedef struct{ 43 typedef struct{
54 int (*adapter[32]) ( AdapterC Data, int length ); 54 int (*adapter[32]) ( AdapterC Data, int length );
55 } SDL_AudioC; 55 } SDL_AudioC;
56 56
57 */ 57 */
58 58
59 /* the len_* variables and the needed variable are not used internally,
60 they are provided for compatibility */
61
59 typedef struct{ 62 typedef struct{
60 int needed; 63 int needed;
61 VarFilter filter; 64 VarFilter filter;
62 double len_mult; /* buffer must be len*len_mult big*/
63 Uint8* buf; 65 Uint8* buf;
64 int len; 66 int len; /* Length of original audio buffer */
65 int len_cvt; /* Length of converted audio buffer */ 67 int len_cvt; /* Length of converted audio buffer */
66 int add; 68 int len_mult; /* buffer must be len*len_mult big */
69 double len_ratio; /* Given len, final size is len*len_ratio */
70
71 double add;
72 double mult;
67 int (*adapter[32]) ( AdapterC Data, int length ); 73 int (*adapter[32]) ( AdapterC Data, int length );
68 } Sound_AudioCVT; 74 } Sound_AudioCVT;
69 75
70 #define SDL_AI_Loop 0x01 76 #define SDL_AI_Loop 0x01
71 77