c454fab03b
TEST=VoE auto-test, audio_coding_module_test; only 15 ms of teststereo_out_1.pcm is not bit-exact with output file of the head revision Review URL: https://webrtc-codereview.appspot.com/937035 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3287 4adac7df-926f-26a2-2b94-8c16560cd09d
433 lines
12 KiB
C++
433 lines
12 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_amrwb.h"
|
|
|
|
#include "webrtc/modules/audio_coding/main/interface/audio_coding_module_typedefs.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/rw_lock_wrapper.h"
|
|
#include "webrtc/system_wrappers/interface/trace.h"
|
|
|
|
#ifdef WEBRTC_CODEC_AMRWB
|
|
// NOTE! GSM AMR-wb is not included in the open-source package. The
|
|
// following interface file is needed:
|
|
//
|
|
// /modules/audio_coding/codecs/amrwb/main/interface/amrwb_interface.h
|
|
//
|
|
// The API in the header file should match the one below.
|
|
//
|
|
// int16_t WebRtcAmrWb_CreateEnc(AMRWB_encinst_t_** enc_inst);
|
|
// int16_t WebRtcAmrWb_CreateDec(AMRWB_decinst_t_** dec_inst);
|
|
// int16_t WebRtcAmrWb_FreeEnc(AMRWB_encinst_t_* enc_inst);
|
|
// int16_t WebRtcAmrWb_FreeDec(AMRWB_decinst_t_* dec_inst);
|
|
// int16_t WebRtcAmrWb_Encode(AMRWB_encinst_t_* enc_inst, int16_t* input,
|
|
// int16_t len, int16_t* output, int16_t mode);
|
|
// int16_t WebRtcAmrWb_EncoderInit(AMRWB_encinst_t_* enc_inst,
|
|
// int16_t dtx_mode);
|
|
// int16_t WebRtcAmrWb_EncodeBitmode(AMRWB_encinst_t_* enc_inst,
|
|
// int format);
|
|
// int16_t WebRtcAmrWb_Decode(AMRWB_decinst_t_* dec_inst);
|
|
// int16_t WebRtcAmrWb_DecodePlc(AMRWB_decinst_t_* dec_inst);
|
|
// int16_t WebRtcAmrWb_DecoderInit(AMRWB_decinst_t_* dec_inst);
|
|
// int16_t WebRtcAmrWb_DecodeBitmode(AMRWB_decinst_t_* dec_inst,
|
|
// int format);
|
|
#include "amrwb_interface.h"
|
|
#endif
|
|
|
|
namespace webrtc {
|
|
|
|
#ifndef WEBRTC_CODEC_AMRWB
|
|
ACMAMRwb::ACMAMRwb(WebRtc_Word16 /* codec_id */)
|
|
: encoder_inst_ptr_(NULL),
|
|
decoder_inst_ptr_(NULL),
|
|
encoding_mode_(-1), // invalid value
|
|
encoding_rate_(0), // invalid value
|
|
encoder_packing_format_(AMRBandwidthEfficient),
|
|
decoder_packing_format_(AMRBandwidthEfficient) {
|
|
}
|
|
|
|
ACMAMRwb::~ACMAMRwb() {
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalEncode(
|
|
WebRtc_UWord8* /* bitstream */,
|
|
WebRtc_Word16* /* bitstream_len_byte */) {
|
|
return -1;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::DecodeSafe(WebRtc_UWord8* /* bitstream */,
|
|
WebRtc_Word16 /* bitstream_len_byte */,
|
|
WebRtc_Word16* /* audio */,
|
|
WebRtc_Word16* /* audio_samples */,
|
|
WebRtc_Word8* /* speech_type */) {
|
|
return -1;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::EnableDTX() {
|
|
return -1;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::DisableDTX() {
|
|
return -1;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalInitEncoder(
|
|
WebRtcACMCodecParams* /* codec_params */) {
|
|
return -1;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalInitDecoder(
|
|
WebRtcACMCodecParams* /* codec_params */) {
|
|
return -1;
|
|
}
|
|
|
|
WebRtc_Word32 ACMAMRwb::CodecDef(WebRtcNetEQ_CodecDef& /* codec_def */,
|
|
const CodecInst& /* codec_inst */) {
|
|
return -1;
|
|
}
|
|
|
|
ACMGenericCodec*
|
|
ACMAMRwb::CreateInstance(void) {
|
|
return NULL;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalCreateEncoder() {
|
|
return -1;
|
|
}
|
|
|
|
void ACMAMRwb::DestructEncoderSafe() {
|
|
return;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalCreateDecoder() {
|
|
return -1;
|
|
}
|
|
|
|
void ACMAMRwb::DestructDecoderSafe() {
|
|
return;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::SetBitRateSafe(const WebRtc_Word32 /* rate */) {
|
|
return -1;
|
|
}
|
|
|
|
void ACMAMRwb::InternalDestructEncoderInst(void* /* ptr_inst */) {
|
|
return;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::SetAMRwbEncoderPackingFormat(
|
|
ACMAMRPackingFormat /* packing_format */) {
|
|
return -1;
|
|
}
|
|
|
|
ACMAMRPackingFormat ACMAMRwb::AMRwbEncoderPackingFormat() const {
|
|
return AMRUndefined;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::SetAMRwbDecoderPackingFormat(
|
|
ACMAMRPackingFormat /* packing_format */) {
|
|
return -1;
|
|
}
|
|
|
|
ACMAMRPackingFormat ACMAMRwb::AMRwbDecoderPackingFormat() const {
|
|
return AMRUndefined;
|
|
}
|
|
|
|
#else //===================== Actual Implementation =======================
|
|
|
|
#define AMRWB_MODE_7k 0
|
|
#define AMRWB_MODE_9k 1
|
|
#define AMRWB_MODE_12k 2
|
|
#define AMRWB_MODE_14k 3
|
|
#define AMRWB_MODE_16k 4
|
|
#define AMRWB_MODE_18k 5
|
|
#define AMRWB_MODE_20k 6
|
|
#define AMRWB_MODE_23k 7
|
|
#define AMRWB_MODE_24k 8
|
|
|
|
ACMAMRwb::ACMAMRwb(WebRtc_Word16 codec_id)
|
|
: encoder_inst_ptr_(NULL),
|
|
decoder_inst_ptr_(NULL),
|
|
encoding_mode_(-1), // invalid value
|
|
encoding_rate_(0) { // invalid value
|
|
codec_id_ = codec_id;
|
|
has_internal_dtx_ = true;
|
|
encoder_packing_format_ = AMRBandwidthEfficient;
|
|
decoder_packing_format_ = AMRBandwidthEfficient;
|
|
return;
|
|
}
|
|
|
|
ACMAMRwb::~ACMAMRwb() {
|
|
if (encoder_inst_ptr_ != NULL) {
|
|
WebRtcAmrWb_FreeEnc(encoder_inst_ptr_);
|
|
encoder_inst_ptr_ = NULL;
|
|
}
|
|
if (decoder_inst_ptr_ != NULL) {
|
|
WebRtcAmrWb_FreeDec(decoder_inst_ptr_);
|
|
decoder_inst_ptr_ = NULL;
|
|
}
|
|
return;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalEncode(WebRtc_UWord8* bitstream,
|
|
WebRtc_Word16* bitstream_len_byte) {
|
|
WebRtc_Word16 vad_decision = 1;
|
|
// sanity check, if the rate is set correctly. we might skip this
|
|
// sanity check. if rate is not set correctly, initialization flag
|
|
// should be false and should not be here.
|
|
if ((encoding_mode_ < AMRWB_MODE_7k) || (encoding_mode_ > AMRWB_MODE_24k)) {
|
|
*bitstream_len_byte = 0;
|
|
return -1;
|
|
}
|
|
*bitstream_len_byte = WebRtcAmrWb_Encode(encoder_inst_ptr_,
|
|
&in_audio_[in_audio_ix_read_],
|
|
frame_len_smpl_,
|
|
(WebRtc_Word16*)bitstream,
|
|
encoding_mode_);
|
|
|
|
// Update VAD, if internal DTX is used
|
|
if (has_internal_dtx_ && dtx_enabled_) {
|
|
if (*bitstream_len_byte <= (7 * frame_len_smpl_ / 160)) {
|
|
vad_decision = 0;
|
|
}
|
|
for (WebRtc_Word16 n = 0; n < MAX_FRAME_SIZE_10MSEC; n++) {
|
|
vad_label_[n] = vad_decision;
|
|
}
|
|
}
|
|
// increment the read index this tell the caller that how far
|
|
// we have gone forward in reading the audio buffer
|
|
in_audio_ix_read_ += frame_len_smpl_;
|
|
return *bitstream_len_byte;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::DecodeSafe(WebRtc_UWord8* /* bitstream */,
|
|
WebRtc_Word16 /* bitstream_len_byte */,
|
|
WebRtc_Word16* /* audio */,
|
|
WebRtc_Word16* /* audio_samples */,
|
|
WebRtc_Word8* /* speech_type */) {
|
|
return 0;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::EnableDTX() {
|
|
if (dtx_enabled_) {
|
|
return 0;
|
|
} else if (encoder_exist_) { // check if encoder exist
|
|
// enable DTX
|
|
if (WebRtcAmrWb_EncoderInit(encoder_inst_ptr_, 1) < 0) {
|
|
return -1;
|
|
}
|
|
dtx_enabled_ = true;
|
|
return 0;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::DisableDTX() {
|
|
if (!dtx_enabled_) {
|
|
return 0;
|
|
} else if (encoder_exist_) { // check if encoder exist
|
|
// disable DTX
|
|
if (WebRtcAmrWb_EncoderInit(encoder_inst_ptr_, 0) < 0) {
|
|
return -1;
|
|
}
|
|
dtx_enabled_ = false;
|
|
return 0;
|
|
} else {
|
|
// encoder doesn't exists, therefore disabling is harmless
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalInitEncoder(
|
|
WebRtcACMCodecParams* codec_params) {
|
|
// sanity check
|
|
if (encoder_inst_ptr_ == NULL) {
|
|
return -1;
|
|
}
|
|
|
|
WebRtc_Word16 status = SetBitRateSafe((codec_params->codec_inst).rate);
|
|
status += (WebRtcAmrWb_EncoderInit(
|
|
encoder_inst_ptr_, ((codec_params->enable_dtx) ? 1 : 0)) < 0) ? -1 : 0;
|
|
status += (WebRtcAmrWb_EncodeBitmode(
|
|
encoder_inst_ptr_, encoder_packing_format_) < 0) ? -1 : 0;
|
|
return (status < 0) ? -1 : 0;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalInitDecoder(
|
|
WebRtcACMCodecParams* /* codec_params */) {
|
|
WebRtc_Word16 status = WebRtcAmrWb_DecodeBitmode(decoder_inst_ptr_,
|
|
decoder_packing_format_);
|
|
status += ((WebRtcAmrWb_DecoderInit(decoder_inst_ptr_) < 0) ? -1 : 0);
|
|
return (status < 0) ? -1 : 0;
|
|
}
|
|
|
|
WebRtc_Word32 ACMAMRwb::CodecDef(WebRtcNetEQ_CodecDef& codec_def,
|
|
const CodecInst& codec_inst) {
|
|
if (!decoder_initialized_) {
|
|
return -1;
|
|
}
|
|
|
|
// Fill up the structure by calling
|
|
// "SET_CODEC_PAR" & "SET_AMRWB_FUNCTION."
|
|
// Then call NetEQ to add the codec to it's
|
|
// database.
|
|
SET_CODEC_PAR((codec_def), kDecoderAMRWB, codec_inst.pltype,
|
|
decoder_inst_ptr_, 16000);
|
|
SET_AMRWB_FUNCTIONS((codec_def));
|
|
return 0;
|
|
}
|
|
|
|
ACMGenericCodec* ACMAMRwb::CreateInstance(void) {
|
|
return NULL;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalCreateEncoder() {
|
|
return WebRtcAmrWb_CreateEnc(&encoder_inst_ptr_);
|
|
}
|
|
|
|
void ACMAMRwb::DestructEncoderSafe() {
|
|
if (encoder_inst_ptr_ != NULL) {
|
|
WebRtcAmrWb_FreeEnc(encoder_inst_ptr_);
|
|
encoder_inst_ptr_ = NULL;
|
|
}
|
|
// there is no encoder set the following
|
|
encoder_exist_ = false;
|
|
encoder_initialized_ = false;
|
|
encoding_mode_ = -1; // invalid value
|
|
encoding_rate_ = 0;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::InternalCreateDecoder() {
|
|
return WebRtcAmrWb_CreateDec(&decoder_inst_ptr_);
|
|
}
|
|
|
|
void ACMAMRwb::DestructDecoderSafe() {
|
|
if (decoder_inst_ptr_ != NULL) {
|
|
WebRtcAmrWb_FreeDec(decoder_inst_ptr_);
|
|
decoder_inst_ptr_ = NULL;
|
|
}
|
|
// there is no encoder instance set the followings
|
|
decoder_exist_ = false;
|
|
decoder_initialized_ = false;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::SetBitRateSafe(const WebRtc_Word32 rate) {
|
|
switch (rate) {
|
|
case 7000: {
|
|
encoding_mode_ = AMRWB_MODE_7k;
|
|
encoding_rate_ = 7000;
|
|
break;
|
|
}
|
|
case 9000: {
|
|
encoding_mode_ = AMRWB_MODE_9k;
|
|
encoding_rate_ = 9000;
|
|
break;
|
|
}
|
|
case 12000: {
|
|
encoding_mode_ = AMRWB_MODE_12k;
|
|
encoding_rate_ = 12000;
|
|
break;
|
|
}
|
|
case 14000: {
|
|
encoding_mode_ = AMRWB_MODE_14k;
|
|
encoding_rate_ = 14000;
|
|
break;
|
|
}
|
|
case 16000: {
|
|
encoding_mode_ = AMRWB_MODE_16k;
|
|
encoding_rate_ = 16000;
|
|
break;
|
|
}
|
|
case 18000: {
|
|
encoding_mode_ = AMRWB_MODE_18k;
|
|
encoding_rate_ = 18000;
|
|
break;
|
|
}
|
|
case 20000: {
|
|
encoding_mode_ = AMRWB_MODE_20k;
|
|
encoding_rate_ = 20000;
|
|
break;
|
|
}
|
|
case 23000: {
|
|
encoding_mode_ = AMRWB_MODE_23k;
|
|
encoding_rate_ = 23000;
|
|
break;
|
|
}
|
|
case 24000: {
|
|
encoding_mode_ = AMRWB_MODE_24k;
|
|
encoding_rate_ = 24000;
|
|
break;
|
|
}
|
|
default: {
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void ACMAMRwb::InternalDestructEncoderInst(void* ptr_inst) {
|
|
if (ptr_inst != NULL) {
|
|
WebRtcAmrWb_FreeEnc(static_cast<AMRWB_encinst_t_*>(ptr_inst));
|
|
}
|
|
return;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::SetAMRwbEncoderPackingFormat(
|
|
ACMAMRPackingFormat packing_format) {
|
|
if ((packing_format != AMRBandwidthEfficient) &&
|
|
(packing_format != AMROctetAlligned) &&
|
|
(packing_format != AMRFileStorage)) {
|
|
WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, unique_id_,
|
|
"Invalid AMRwb encoder packing-format.");
|
|
return -1;
|
|
} else {
|
|
if (WebRtcAmrWb_EncodeBitmode(encoder_inst_ptr_, packing_format) < 0) {
|
|
return -1;
|
|
} else {
|
|
encoder_packing_format_ = packing_format;
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
ACMAMRPackingFormat ACMAMRwb::AMRwbEncoderPackingFormat() const {
|
|
return encoder_packing_format_;
|
|
}
|
|
|
|
WebRtc_Word16 ACMAMRwb::SetAMRwbDecoderPackingFormat(
|
|
ACMAMRPackingFormat packing_format) {
|
|
if ((packing_format != AMRBandwidthEfficient) &&
|
|
(packing_format != AMROctetAlligned) &&
|
|
(packing_format != AMRFileStorage)) {
|
|
WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, unique_id_,
|
|
"Invalid AMRwb decoder packing-format.");
|
|
return -1;
|
|
} else {
|
|
if (WebRtcAmrWb_DecodeBitmode(decoder_inst_ptr_, packing_format) < 0) {
|
|
return -1;
|
|
} else {
|
|
decoder_packing_format_ = packing_format;
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
ACMAMRPackingFormat ACMAMRwb::AMRwbDecoderPackingFormat() const {
|
|
return decoder_packing_format_;
|
|
}
|
|
|
|
#endif
|
|
|
|
} // namespace webrtc
|