Initial revision

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 @@
+#ifndef _ADPCM_H_
+#define _ADPCM_H_
+
+class Adpcm {
+
+        // Destination format - note we always decompress to 16 bit
+                long     stereo;
+                int      nBits;  // number of bits in each sample
+
+                long     valpred[2]; // Current state
+                int      index[2];
+
+                long     nSamples; // number of samples decompressed so far
+
+        // Parsing Info
+                unsigned char *src;
+                long     bitBuf; // this should always contain at least 24 bits of data
+                int      bitPos;
+
+        void FillBuffer();
+
+        long GetBits(int n);
+
+        long GetSBits(int n);
+
+public:
+        Adpcm(unsigned char *buffer, long isStereo);
+
+        void Decompress(short * dst, long n); // return number of good samples
+#ifdef DUMP
+        void dump(BitStream *bs);
+        void Compress(short *pcm, long n, int bits);
+#endif
+};
+
+#endif /* _ADPCM_H_ */