1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#ifndef CONVERTER_H
#define CONVERTER_H
#include "alMain.h"
#include "alu.h"
#ifdef __cpluspluc
extern "C" {
#endif
typedef struct SampleConverter {
enum DevFmtType mSrcType;
enum DevFmtType mDstType;
ALsizei mNumChannels;
ALsizei mSrcTypeSize;
ALsizei mDstTypeSize;
ALint mSrcPrepCount;
ALsizei mFracOffset;
ALsizei mIncrement;
InterpState mState;
ResamplerFunc mResample;
alignas(16) ALfloat mSrcSamples[BUFFERSIZE];
alignas(16) ALfloat mDstSamples[BUFFERSIZE];
struct {
alignas(16) ALfloat mPrevSamples[MAX_RESAMPLE_PADDING*2];
} Chan[];
} SampleConverter;
SampleConverter *CreateSampleConverter(enum DevFmtType srcType, enum DevFmtType dstType, ALsizei numchans, ALsizei srcRate, ALsizei dstRate);
void DestroySampleConverter(SampleConverter **converter);
ALsizei SampleConverterInput(SampleConverter *converter, const ALvoid **src, ALsizei *srcframes, ALvoid *dst, ALsizei dstframes);
ALsizei SampleConverterAvailableOut(SampleConverter *converter, ALsizei srcframes);
typedef struct ChannelConverter {
enum DevFmtType mSrcType;
enum DevFmtChannels mSrcChans;
enum DevFmtChannels mDstChans;
} ChannelConverter;
ChannelConverter *CreateChannelConverter(enum DevFmtType srcType, enum DevFmtChannels srcChans, enum DevFmtChannels dstChans);
void DestroyChannelConverter(ChannelConverter **converter);
void ChannelConverterInput(ChannelConverter *converter, const ALvoid *src, ALfloat *dst, ALsizei frames);
#ifdef __cpluspluc
}
#endif
#endif /* CONVERTER_H */
|