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-rw-r--r--src/pulsecore/g711.h40
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diff --git a/src/pulsecore/g711.h b/src/pulsecore/g711.h
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+#ifndef foog711hfoo
+#define foog711hfoo
+
+/* g711.h - include for G711 u-law and a-law conversion routines
+**
+** Copyright (C) 2001 Chris Bagwell
+**
+** Permission to use, copy, modify, and distribute this software and its
+** documentation for any purpose and without fee is hereby granted, provided
+** that the above copyright notice appear in all copies and that both that
+** copyright notice and this permission notice appear in supporting
+** documentation. This software is provided "as is" without express or
+** implied warranty.
+*/
+
+/** Copied from sox -- Lennart Poettring*/
+
+#include <inttypes.h>
+
+#ifdef FAST_ALAW_CONVERSION
+extern uint8_t _st_13linear2alaw[0x2000];
+extern int16_t _st_alaw2linear16[256];
+#define st_13linear2alaw(sw) (_st_13linear2alaw[(sw + 0x1000)])
+#define st_alaw2linear16(uc) (_st_alaw2linear16[uc])
+#else
+unsigned char st_13linear2alaw(int16_t pcm_val);
+int16_t st_alaw2linear16(unsigned char);
+#endif
+
+#ifdef FAST_ULAW_CONVERSION
+extern uint8_t _st_14linear2ulaw[0x4000];
+extern int16_t _st_ulaw2linear16[256];
+#define st_14linear2ulaw(sw) (_st_14linear2ulaw[(sw + 0x2000)])
+#define st_ulaw2linear16(uc) (_st_ulaw2linear16[uc])
+#else
+unsigned char st_14linear2ulaw(int16_t pcm_val);
+int16_t st_ulaw2linear16(unsigned char);
+#endif
+
+#endif