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
56
57
58
59
60
|
#ifndef CONVERTER_H
#define CONVERTER_H
#include <memory>
#include "alMain.h"
#include "alu.h"
#include "almalloc.h"
struct SampleConverter {
DevFmtType mSrcType{};
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[];
DEF_PLACE_NEWDEL()
};
using SampleConverterPtr = std::unique_ptr<SampleConverter>;
SampleConverterPtr CreateSampleConverter(DevFmtType srcType, DevFmtType dstType, ALsizei numchans,
ALsizei srcRate, ALsizei dstRate, Resampler resampler);
ALsizei SampleConverterInput(SampleConverter *converter, const ALvoid **src, ALsizei *srcframes, ALvoid *dst, ALsizei dstframes);
ALsizei SampleConverterAvailableOut(SampleConverter *converter, ALsizei srcframes);
struct ChannelConverter {
DevFmtType mSrcType;
DevFmtChannels mSrcChans;
DevFmtChannels mDstChans;
ChannelConverter(DevFmtType srctype, DevFmtChannels srcchans, DevFmtChannels dstchans)
: mSrcType(srctype), mSrcChans(srcchans), mDstChans(dstchans)
{ }
DEF_NEWDEL(ChannelConverter)
};
using ChannelConverterPtr = std::unique_ptr<ChannelConverter>;
ChannelConverterPtr CreateChannelConverter(DevFmtType srcType, DevFmtChannels srcChans,
DevFmtChannels dstChans);
void ChannelConverterInput(ChannelConverter *converter, const ALvoid *src, ALfloat *dst,
ALsizei frames);
#endif /* CONVERTER_H */
|
