Diffstat (limited to 'core/multimedia/opieplayer/libflash/adpcm.h') (more/less context) (ignore whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/libflash/adpcm.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/core/multimedia/opieplayer/libflash/adpcm.h b/core/multimedia/opieplayer/libflash/adpcm.h new file mode 100644 index 0000000..5714c0c --- a/dev/null +++ b/core/multimedia/opieplayer/libflash/adpcm.h | |||
@@ -0,0 +1,36 @@ | |||
1 | #ifndef _ADPCM_H_ | ||
2 | #define _ADPCM_H_ | ||
3 | |||
4 | class Adpcm { | ||
5 | |||
6 | // Destination format - note we always decompress to 16 bit | ||
7 | long stereo; | ||
8 | int nBits; // number of bits in each sample | ||
9 | |||
10 | long valpred[2]; // Current state | ||
11 | int index[2]; | ||
12 | |||
13 | long nSamples; // number of samples decompressed so far | ||
14 | |||
15 | // Parsing Info | ||
16 | unsigned char *src; | ||
17 | long bitBuf; // this should always contain at least 24 bits of data | ||
18 | int bitPos; | ||
19 | |||
20 | void FillBuffer(); | ||
21 | |||
22 | long GetBits(int n); | ||
23 | |||
24 | long GetSBits(int n); | ||
25 | |||
26 | public: | ||
27 | Adpcm(unsigned char *buffer, long isStereo); | ||
28 | |||
29 | void Decompress(short * dst, long n); // return number of good samples | ||
30 | #ifdef DUMP | ||
31 | void dump(BitStream *bs); | ||
32 | void Compress(short *pcm, long n, int bits); | ||
33 | #endif | ||
34 | }; | ||
35 | |||
36 | #endif /* _ADPCM_H_ */ | ||