48af652ea5
ACM1 code is wrapped in namespace acm1. Inculde paths and define guards of ACM2 source codes are corrected. gypi file of ACM2 is changed so that ACM1 will later on depends on ACM2. BUG= R=andrew@webrtc.org Review URL: https://webrtc-codereview.appspot.com/2206004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4743 4adac7df-926f-26a2-2b94-8c16560cd09d
151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
/*
|
|
* Copyright (c) 2012 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 "webrtc/modules/audio_coding/main/source/acm_cng.h"
|
|
|
|
#include "webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h"
|
|
#include "webrtc/modules/audio_coding/main/source/acm_codec_database.h"
|
|
#include "webrtc/modules/audio_coding/main/source/acm_common_defs.h"
|
|
#include "webrtc/modules/audio_coding/main/source/acm_neteq.h"
|
|
#include "webrtc/modules/audio_coding/neteq/interface/webrtc_neteq.h"
|
|
#include "webrtc/modules/audio_coding/neteq/interface/webrtc_neteq_help_macros.h"
|
|
#include "webrtc/system_wrappers/interface/trace.h"
|
|
|
|
namespace webrtc {
|
|
|
|
namespace acm1 {
|
|
|
|
ACMCNG::ACMCNG(int16_t codec_id) {
|
|
encoder_inst_ptr_ = NULL;
|
|
decoder_inst_ptr_ = NULL;
|
|
codec_id_ = codec_id;
|
|
samp_freq_hz_ = ACMCodecDB::CodecFreq(codec_id_);
|
|
return;
|
|
}
|
|
|
|
ACMCNG::~ACMCNG() {
|
|
if (encoder_inst_ptr_ != NULL) {
|
|
WebRtcCng_FreeEnc(encoder_inst_ptr_);
|
|
encoder_inst_ptr_ = NULL;
|
|
}
|
|
if (decoder_inst_ptr_ != NULL) {
|
|
WebRtcCng_FreeDec(decoder_inst_ptr_);
|
|
decoder_inst_ptr_ = NULL;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// CNG is not like a regular encoder, this function
|
|
// should not be called normally
|
|
// instead the following function is called from inside
|
|
// ACMGenericCodec::ProcessFrameVADDTX
|
|
int16_t ACMCNG::InternalEncode(uint8_t* /* bitstream */,
|
|
int16_t* /* bitstream_len_byte */) {
|
|
return -1;
|
|
}
|
|
|
|
int16_t ACMCNG::DecodeSafe(uint8_t* /* bitstream */,
|
|
int16_t /* bitstream_len_byte */,
|
|
int16_t* /* audio */,
|
|
int16_t* /* audio_samples */,
|
|
int8_t* /* speech_type */) {
|
|
return 0;
|
|
}
|
|
|
|
// CNG is not like a regular encoder,
|
|
// this function should not be called normally
|
|
// instead the following function is called from inside
|
|
// ACMGenericCodec::ProcessFrameVADDTX
|
|
int16_t ACMCNG::InternalInitEncoder(
|
|
WebRtcACMCodecParams* /* codec_params */) {
|
|
return -1;
|
|
}
|
|
|
|
int16_t ACMCNG::InternalInitDecoder(
|
|
WebRtcACMCodecParams* /* codec_params */) {
|
|
return WebRtcCng_InitDec(decoder_inst_ptr_);
|
|
}
|
|
|
|
int32_t ACMCNG::CodecDef(WebRtcNetEQ_CodecDef& codec_def,
|
|
const CodecInst& codec_inst) {
|
|
if (!decoder_initialized_) {
|
|
// TODO(tlegrand): log error
|
|
return -1;
|
|
}
|
|
// Fill up the structure by calling
|
|
// "SET_CODEC_PAR" & "SET_CNG_FUNCTION."
|
|
// Then return the structure back to NetEQ to add the codec to it's
|
|
// database.
|
|
|
|
if (samp_freq_hz_ == 8000 || samp_freq_hz_ == 16000 ||
|
|
samp_freq_hz_ == 32000 || samp_freq_hz_ == 48000) {
|
|
SET_CODEC_PAR((codec_def), kDecoderCNG, codec_inst.pltype,
|
|
decoder_inst_ptr_, samp_freq_hz_);
|
|
SET_CNG_FUNCTIONS((codec_def));
|
|
return 0;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
ACMGenericCodec* ACMCNG::CreateInstance(void) {
|
|
return NULL;
|
|
}
|
|
|
|
int16_t ACMCNG::InternalCreateEncoder() {
|
|
if (WebRtcCng_CreateEnc(&encoder_inst_ptr_) < 0) {
|
|
encoder_inst_ptr_ = NULL;
|
|
return -1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void ACMCNG::DestructEncoderSafe() {
|
|
if (encoder_inst_ptr_ != NULL) {
|
|
WebRtcCng_FreeEnc(encoder_inst_ptr_);
|
|
encoder_inst_ptr_ = NULL;
|
|
}
|
|
encoder_exist_ = false;
|
|
encoder_initialized_ = false;
|
|
}
|
|
|
|
int16_t ACMCNG::InternalCreateDecoder() {
|
|
if (WebRtcCng_CreateDec(&decoder_inst_ptr_) < 0) {
|
|
decoder_inst_ptr_ = NULL;
|
|
return -1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void ACMCNG::DestructDecoderSafe() {
|
|
if (decoder_inst_ptr_ != NULL) {
|
|
WebRtcCng_FreeDec(decoder_inst_ptr_);
|
|
decoder_inst_ptr_ = NULL;
|
|
}
|
|
decoder_exist_ = false;
|
|
decoder_initialized_ = false;
|
|
}
|
|
|
|
void ACMCNG::InternalDestructEncoderInst(void* ptr_inst) {
|
|
if (ptr_inst != NULL) {
|
|
WebRtcCng_FreeEnc(static_cast<CNG_enc_inst*>(ptr_inst));
|
|
}
|
|
return;
|
|
}
|
|
|
|
int16_t ACMCNG::EnableDTX() { return -1; }
|
|
int16_t ACMCNG::DisableDTX() { return -1; }
|
|
|
|
} // namespace acm1
|
|
|
|
} // namespace webrtc
|