RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders.

Author unknown, code from a public domain player for Amiga
at http://www.honeypot.net/audio


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10261 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 34 insertions, 0 deletions

diff --git a/libmpcodecs/native/common1428.h b/libmpcodecs/native/common1428.h
new file mode 100644
index 0000000000..e49a7b68c5
--- /dev/null
+++ b/libmpcodecs/native/common1428.h
@@ -0,0 +1,34 @@
+#ifndef COMMON_H
+#define COMMON_H
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <math.h>
+
+#define DATABLOCK1	20				/* size of 14.4 input block in bytes */
+#define DATABLOCK2	38				/* size of 28.8 input block in bytes */
+#define DATACHUNK1	1440			/* size of 14.4 input chunk in bytes */
+#define DATACHUNK2	2736			/* size of 28.8 input chunk in bytes */
+#define AUDIOBLOCK	160				/* size of output block in 16-bit words (320 bytes) */
+//#define AUDIOBUFFER	11520			/* size of output buffer in 16-bit words (23040 bytes) */
+#define AUDIOBUFFER	12288			/* size of output buffer in 16-bit words (24576 bytes) */
+
+typedef void Real_144;
+typedef void Real_288;
+typedef void Real_dnet;
+
+/* common prototypes */
+Real_144 *init_144     (void);
+Real_288 *init_288     (void);
+Real_dnet *init_dnet   (void);
+void      free_144     (Real_144 *global);
+void      free_288     (Real_288 *global);
+void      free_dnet    (Real_dnet *global);
+void      deinterleave (unsigned char *in, unsigned char *out, unsigned int size);
+void      swapbytes    (unsigned char *in, unsigned char *out, unsigned int len);
+void      decode_144   (Real_144 *global, unsigned char *source, signed short *target);
+void      decode_288   (Real_288 *global, unsigned char *in, signed short *out);
+int       decode_dnet  (Real_dnet *global, unsigned char *in, signed short *out, int *freq, int chans);
+
+#endif /* !COMMON_H */