116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "g722_interface.h"
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#include "g722_enc_dec.h"
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#include "typedefs.h"
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WebRtc_Word16 WebRtcG722_CreateEncoder(G722EncInst **G722enc_inst)
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{
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*G722enc_inst=(G722EncInst*)malloc(sizeof(g722_encode_state_t));
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if (*G722enc_inst!=NULL) {
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return(0);
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} else {
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return(-1);
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}
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}
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WebRtc_Word16 WebRtcG722_EncoderInit(G722EncInst *G722enc_inst)
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{
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// Create and/or reset the G.722 encoder
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// Bitrate 64 kbps and wideband mode (2)
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G722enc_inst = (G722EncInst *) g722_encode_init(
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(g722_encode_state_t*) G722enc_inst, 64000, 2);
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if (G722enc_inst == NULL) {
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return -1;
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} else {
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return 0;
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}
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}
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WebRtc_Word16 WebRtcG722_FreeEncoder(G722EncInst *G722enc_inst)
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{
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// Free encoder memory
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return g722_encode_release((g722_encode_state_t*) G722enc_inst);
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}
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WebRtc_Word16 WebRtcG722_Encode(G722EncInst *G722enc_inst,
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WebRtc_Word16 *speechIn,
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WebRtc_Word16 len,
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WebRtc_Word16 *encoded)
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{
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unsigned char *codechar = (unsigned char*) encoded;
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// Encode the input speech vector
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return g722_encode((g722_encode_state_t*) G722enc_inst,
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codechar, speechIn, len);
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}
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WebRtc_Word16 WebRtcG722_CreateDecoder(G722DecInst **G722dec_inst)
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{
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*G722dec_inst=(G722DecInst*)malloc(sizeof(g722_decode_state_t));
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if (*G722dec_inst!=NULL) {
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return(0);
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} else {
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return(-1);
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}
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}
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WebRtc_Word16 WebRtcG722_DecoderInit(G722DecInst *G722dec_inst)
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{
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// Create and/or reset the G.722 decoder
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// Bitrate 64 kbps and wideband mode (2)
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G722dec_inst = (G722DecInst *) g722_decode_init(
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(g722_decode_state_t*) G722dec_inst, 64000, 2);
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if (G722dec_inst == NULL) {
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return -1;
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} else {
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return 0;
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}
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}
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WebRtc_Word16 WebRtcG722_FreeDecoder(G722DecInst *G722dec_inst)
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{
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// Free encoder memory
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return g722_decode_release((g722_decode_state_t*) G722dec_inst);
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}
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WebRtc_Word16 WebRtcG722_Decode(G722DecInst *G722dec_inst,
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WebRtc_Word16 *encoded,
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WebRtc_Word16 len,
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WebRtc_Word16 *decoded,
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WebRtc_Word16 *speechType)
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{
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// Decode the G.722 encoder stream
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*speechType=G722_WEBRTC_SPEECH;
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return g722_decode((g722_decode_state_t*) G722dec_inst,
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decoded, (WebRtc_UWord8*) encoded, len);
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}
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WebRtc_Word16 WebRtcG722_Version(char *versionStr, short len)
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{
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// Get version string
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char version[30] = "2.0.0\n";
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if (strlen(version) < (unsigned int)len)
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{
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strcpy(versionStr, version);
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return 0;
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}
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else
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{
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return -1;
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}
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}
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