chromium/third_party/webrtc/modules/third_party/g722/g722_decode.c

/*
 * SpanDSP - a series of DSP components for telephony
 *
 * g722_decode.c - The ITU G.722 codec, decode part.
 *
 * Written by Steve Underwood <[email protected]>
 *
 * Copyright (C) 2005 Steve Underwood
 *
 *  Despite my general liking of the GPL, I place my own contributions
 *  to this code in the public domain for the benefit of all mankind -
 *  even the slimy ones who might try to proprietize my work and use it
 *  to my detriment.
 *
 * Based in part on a single channel G.722 codec which is:
 *
 * Copyright (c) CMU 1993
 * Computer Science, Speech Group
 * Chengxiang Lu and Alex Hauptmann
 *
 * $Id: g722_decode.c,v 1.15 2006/07/07 16:37:49 steveu Exp $
 *
 * Modifications for WebRtc, 2011/04/28, by tlegrand:
 * -Removed usage of inttypes.h and tgmath.h
 * -Changed to use WebRtc types
 * -Changed __inline__ to __inline
 * -Added saturation check on output
 */

/*! \file */


#include <memory.h>
#include <stdio.h>
#include <stdlib.h>

#include "modules/third_party/g722/g722_enc_dec.h"

#if !defined(FALSE)
#define FALSE …
#endif
#if !defined(TRUE)
#define TRUE …
#endif

static __inline int16_t saturate(int32_t amp)
{ … }
/*- End of function --------------------------------------------------------*/

static void block4(G722DecoderState *s, int band, int d);

static void block4(G722DecoderState *s, int band, int d)
{ … }
/*- End of function --------------------------------------------------------*/

G722DecoderState* WebRtc_g722_decode_init(G722DecoderState* s,
                                          int rate,
                                          int options) { … }
/*- End of function --------------------------------------------------------*/

int WebRtc_g722_decode_release(G722DecoderState *s)
{ … }
/*- End of function --------------------------------------------------------*/

size_t WebRtc_g722_decode(G722DecoderState *s, int16_t amp[],
                          const uint8_t g722_data[], size_t len)
{ … }
/*- End of function --------------------------------------------------------*/
/*- End of file ------------------------------------------------------------*/