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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdlib.h>
#include <string.h>
#include "g722_enc_dec.h"
#include "g722_interface.h"
#include "webrtc/typedefs.h"
int16_t WebRtcG722_CreateEncoder(G722EncInst **G722enc_inst)
{
*G722enc_inst=(G722EncInst*)malloc(sizeof(G722EncoderState));
if (*G722enc_inst!=NULL) {
return(0);
} else {
return(-1);
}
}
int16_t WebRtcG722_EncoderInit(G722EncInst *G722enc_inst)
{
// Create and/or reset the G.722 encoder
// Bitrate 64 kbps and wideband mode (2)
G722enc_inst = (G722EncInst *) WebRtc_g722_encode_init(
(G722EncoderState*) G722enc_inst, 64000, 2);
if (G722enc_inst == NULL) {
return -1;
} else {
return 0;
}
}
int16_t WebRtcG722_FreeEncoder(G722EncInst *G722enc_inst)
{
// Free encoder memory
return WebRtc_g722_encode_release((G722EncoderState*) G722enc_inst);
}
int16_t WebRtcG722_Encode(G722EncInst *G722enc_inst,
const int16_t* speechIn,
int16_t len,
uint8_t* encoded)
{
unsigned char *codechar = (unsigned char*) encoded;
// Encode the input speech vector
return WebRtc_g722_encode((G722EncoderState*) G722enc_inst,
codechar, speechIn, len);
}
int16_t WebRtcG722_CreateDecoder(G722DecInst **G722dec_inst)
{
*G722dec_inst=(G722DecInst*)malloc(sizeof(G722DecoderState));
if (*G722dec_inst!=NULL) {
return(0);
} else {
return(-1);
}
}
int16_t WebRtcG722_DecoderInit(G722DecInst *G722dec_inst)
{
// Create and/or reset the G.722 decoder
// Bitrate 64 kbps and wideband mode (2)
G722dec_inst = (G722DecInst *) WebRtc_g722_decode_init(
(G722DecoderState*) G722dec_inst, 64000, 2);
if (G722dec_inst == NULL) {
return -1;
} else {
return 0;
}
}
int16_t WebRtcG722_FreeDecoder(G722DecInst *G722dec_inst)
{
// Free encoder memory
return WebRtc_g722_decode_release((G722DecoderState*) G722dec_inst);
}
int16_t WebRtcG722_Decode(G722DecInst *G722dec_inst,
int16_t *encoded,
int16_t len,
int16_t *decoded,
int16_t *speechType)
{
// Decode the G.722 encoder stream
*speechType=G722_WEBRTC_SPEECH;
return WebRtc_g722_decode((G722DecoderState*) G722dec_inst,
decoded, (uint8_t*) encoded, len);
}
int16_t WebRtcG722_Version(char *versionStr, short len)
{
// Get version string
char version[30] = "2.0.0\n";
if (strlen(version) < (unsigned int)len)
{
strcpy(versionStr, version);
return 0;
}
else
{
return -1;
}
}
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