| /* |
| * 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 "acm_g7221c.h" |
| #include "acm_codec_database.h" |
| #include "acm_common_defs.h" |
| #include "acm_neteq.h" |
| #include "webrtc_neteq.h" |
| #include "webrtc_neteq_help_macros.h" |
| #include "trace.h" |
| |
| #ifdef WEBRTC_CODEC_G722_1C |
| // NOTE! G.722.1C is not included in the open-source package. The following |
| // interface file is needed: |
| // |
| // /modules/audio_coding/codecs/g7221c/main/interface/g7221c_interface.h |
| // |
| // The API in the header file should match the one below. |
| // |
| // int16_t WebRtcG7221C_CreateEnc24(G722_1C_24_encinst_t_** encInst); |
| // int16_t WebRtcG7221C_CreateEnc32(G722_1C_32_encinst_t_** encInst); |
| // int16_t WebRtcG7221C_CreateEnc48(G722_1C_48_encinst_t_** encInst); |
| // int16_t WebRtcG7221C_CreateDec24(G722_1C_24_decinst_t_** decInst); |
| // int16_t WebRtcG7221C_CreateDec32(G722_1C_32_decinst_t_** decInst); |
| // int16_t WebRtcG7221C_CreateDec48(G722_1C_48_decinst_t_** decInst); |
| // |
| // int16_t WebRtcG7221C_FreeEnc24(G722_1C_24_encinst_t_** encInst); |
| // int16_t WebRtcG7221C_FreeEnc32(G722_1C_32_encinst_t_** encInst); |
| // int16_t WebRtcG7221C_FreeEnc48(G722_1C_48_encinst_t_** encInst); |
| // int16_t WebRtcG7221C_FreeDec24(G722_1C_24_decinst_t_** decInst); |
| // int16_t WebRtcG7221C_FreeDec32(G722_1C_32_decinst_t_** decInst); |
| // int16_t WebRtcG7221C_FreeDec48(G722_1C_48_decinst_t_** decInst); |
| // |
| // int16_t WebRtcG7221C_EncoderInit24(G722_1C_24_encinst_t_* encInst); |
| // int16_t WebRtcG7221C_EncoderInit32(G722_1C_32_encinst_t_* encInst); |
| // int16_t WebRtcG7221C_EncoderInit48(G722_1C_48_encinst_t_* encInst); |
| // int16_t WebRtcG7221C_DecoderInit24(G722_1C_24_decinst_t_* decInst); |
| // int16_t WebRtcG7221C_DecoderInit32(G722_1C_32_decinst_t_* decInst); |
| // int16_t WebRtcG7221C_DecoderInit48(G722_1C_48_decinst_t_* decInst); |
| // |
| // int16_t WebRtcG7221C_Encode24(G722_1C_24_encinst_t_* encInst, |
| // int16_t* input, |
| // int16_t len, |
| // int16_t* output); |
| // int16_t WebRtcG7221C_Encode32(G722_1C_32_encinst_t_* encInst, |
| // int16_t* input, |
| // int16_t len, |
| // int16_t* output); |
| // int16_t WebRtcG7221C_Encode48(G722_1C_48_encinst_t_* encInst, |
| // int16_t* input, |
| // int16_t len, |
| // int16_t* output); |
| // |
| // int16_t WebRtcG7221C_Decode24(G722_1C_24_decinst_t_* decInst, |
| // int16_t* bitstream, |
| // int16_t len, |
| // int16_t* output); |
| // int16_t WebRtcG7221C_Decode32(G722_1C_32_decinst_t_* decInst, |
| // int16_t* bitstream, |
| // int16_t len, |
| // int16_t* output); |
| // int16_t WebRtcG7221C_Decode48(G722_1C_48_decinst_t_* decInst, |
| // int16_t* bitstream, |
| // int16_t len, |
| // int16_t* output); |
| // |
| // int16_t WebRtcG7221C_DecodePlc24(G722_1C_24_decinst_t_* decInst, |
| // int16_t* output, |
| // int16_t nrLostFrames); |
| // int16_t WebRtcG7221C_DecodePlc32(G722_1C_32_decinst_t_* decInst, |
| // int16_t* output, |
| // int16_t nrLostFrames); |
| // int16_t WebRtcG7221C_DecodePlc48(G722_1C_48_decinst_t_* decInst, |
| // int16_t* output, |
| // int16_t nrLostFrames); |
| // void WebRtcG7221C_Version(char *versionStr, short len); |
| #include "g7221c_interface.h" |
| #endif |
| |
| namespace webrtc { |
| |
| #ifndef WEBRTC_CODEC_G722_1C |
| |
| ACMG722_1C::ACMG722_1C(WebRtc_Word16 /* codecID */) |
| : _operationalRate(-1), |
| _encoderInstPtr(NULL), |
| _encoderInstPtrRight(NULL), |
| _decoderInstPtr(NULL), |
| _encoderInst24Ptr(NULL), |
| _encoderInst24PtrR(NULL), |
| _encoderInst32Ptr(NULL), |
| _encoderInst32PtrR(NULL), |
| _encoderInst48Ptr(NULL), |
| _encoderInst48PtrR(NULL), |
| _decoderInst24Ptr(NULL), |
| _decoderInst32Ptr(NULL), |
| _decoderInst48Ptr(NULL) { |
| return; |
| } |
| |
| ACMG722_1C::~ACMG722_1C() { |
| return; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalEncode( |
| WebRtc_UWord8* /* bitStream */, |
| WebRtc_Word16* /* bitStreamLenByte */) { |
| return -1; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::DecodeSafe(WebRtc_UWord8* /* bitStream */, |
| WebRtc_Word16 /* bitStreamLenByte */, |
| WebRtc_Word16* /* audio */, |
| WebRtc_Word16* /* audioSamples */, |
| WebRtc_Word8* /* speechType */) { |
| return -1; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalInitEncoder( |
| WebRtcACMCodecParams* /* codecParams */) { |
| return -1; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalInitDecoder( |
| WebRtcACMCodecParams* /* codecParams */) { |
| return -1; |
| } |
| |
| WebRtc_Word32 ACMG722_1C::CodecDef(WebRtcNetEQ_CodecDef& /* codecDef */, |
| const CodecInst& /* codecInst */) { |
| return -1; |
| } |
| |
| ACMGenericCodec* ACMG722_1C::CreateInstance(void) { |
| return NULL; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalCreateEncoder() { |
| return -1; |
| } |
| |
| void ACMG722_1C::DestructEncoderSafe() { |
| return; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalCreateDecoder() { |
| return -1; |
| } |
| |
| void ACMG722_1C::DestructDecoderSafe() { |
| return; |
| } |
| |
| void ACMG722_1C::InternalDestructEncoderInst(void* /* ptrInst */) { |
| return; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::UnregisterFromNetEqSafe( |
| ACMNetEQ* /* netEq */, |
| WebRtc_Word16 /* payloadType */) { |
| return -1; |
| } |
| |
| #else //===================== Actual Implementation ======================= |
| ACMG722_1C::ACMG722_1C(WebRtc_Word16 codecID) : |
| _encoderInstPtr(NULL), _encoderInstPtrRight(NULL), _decoderInstPtr(NULL), |
| _encoderInst24Ptr(NULL), _encoderInst24PtrR(NULL), _encoderInst32Ptr(NULL), |
| _encoderInst32PtrR(NULL), _encoderInst48Ptr(NULL), _encoderInst48PtrR(NULL), |
| _decoderInst24Ptr(NULL), _decoderInst32Ptr(NULL), _decoderInst48Ptr(NULL) { |
| _codecID = codecID; |
| if (_codecID == ACMCodecDB::kG722_1C_24) { |
| _operationalRate = 24000; |
| } else if (_codecID == ACMCodecDB::kG722_1C_32) { |
| _operationalRate = 32000; |
| } else if (_codecID == ACMCodecDB::kG722_1C_48) { |
| _operationalRate = 48000; |
| } else { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "Wrong codec id for G722_1c."); |
| _operationalRate = -1; |
| } |
| return; |
| } |
| |
| ACMG722_1C::~ACMG722_1C() { |
| if (_encoderInstPtr != NULL) { |
| delete _encoderInstPtr; |
| _encoderInstPtr = NULL; |
| } |
| if (_encoderInstPtrRight != NULL) { |
| delete _encoderInstPtrRight; |
| _encoderInstPtrRight = NULL; |
| } |
| if (_decoderInstPtr != NULL) { |
| delete _decoderInstPtr; |
| _decoderInstPtr = NULL; |
| } |
| |
| switch (_operationalRate) { |
| case 24000: { |
| _encoderInst24Ptr = NULL; |
| _encoderInst24PtrR = NULL; |
| _decoderInst24Ptr = NULL; |
| break; |
| } |
| case 32000: { |
| _encoderInst32Ptr = NULL; |
| _encoderInst32PtrR = NULL; |
| _decoderInst32Ptr = NULL; |
| break; |
| } |
| case 48000: { |
| _encoderInst48Ptr = NULL; |
| _encoderInst48PtrR = NULL; |
| _decoderInst48Ptr = NULL; |
| break; |
| } |
| default: { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "Wrong rate for G722_1c."); |
| break; |
| } |
| } |
| return; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalEncode(WebRtc_UWord8* bitStream, |
| WebRtc_Word16* bitStreamLenByte) { |
| WebRtc_Word16 leftChannel[640]; |
| WebRtc_Word16 rightChannel[640]; |
| WebRtc_Word16 lenInBytes; |
| WebRtc_Word16 outB[240]; |
| |
| // If stereo, split input signal in left and right channel before encoding |
| if (_noChannels == 2) { |
| for (int i = 0, j = 0; i < _frameLenSmpl * 2; i += 2, j++) { |
| leftChannel[j] = _inAudio[_inAudioIxRead + i]; |
| rightChannel[j] = _inAudio[_inAudioIxRead + i + 1]; |
| } |
| } else { |
| memcpy(leftChannel, &_inAudio[_inAudioIxRead], 640); |
| } |
| |
| switch (_operationalRate) { |
| case 24000: { |
| lenInBytes = WebRtcG7221C_Encode24(_encoderInst24Ptr, leftChannel, 640, |
| &outB[0]); |
| if (_noChannels == 2) { |
| lenInBytes += WebRtcG7221C_Encode24(_encoderInst24PtrR, rightChannel, |
| 640, &outB[lenInBytes / 2]); |
| } |
| break; |
| } |
| case 32000: { |
| lenInBytes = WebRtcG7221C_Encode32(_encoderInst32Ptr, leftChannel, 640, |
| &outB[0]); |
| if (_noChannels == 2) { |
| lenInBytes += WebRtcG7221C_Encode32(_encoderInst32PtrR, rightChannel, |
| 640, &outB[lenInBytes / 2]); |
| } |
| break; |
| } |
| case 48000: { |
| lenInBytes = WebRtcG7221C_Encode48(_encoderInst48Ptr, leftChannel, 640, |
| &outB[0]); |
| if (_noChannels == 2) { |
| lenInBytes += WebRtcG7221C_Encode48(_encoderInst48PtrR, rightChannel, |
| 640, &outB[lenInBytes / 2]); |
| } |
| break; |
| } |
| default: { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "InternalEncode: Wrong rate for G722_1c."); |
| return -1; |
| } |
| } |
| |
| memcpy(bitStream, outB, lenInBytes); |
| *bitStreamLenByte = lenInBytes; |
| |
| // increment the read index this tell the caller that how far |
| // we have gone forward in reading the audio buffer |
| _inAudioIxRead += 640 * _noChannels; |
| |
| return *bitStreamLenByte; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::DecodeSafe(WebRtc_UWord8* /* bitStream */, |
| WebRtc_Word16 /* bitStreamLenByte */, |
| WebRtc_Word16* /* audio */, |
| WebRtc_Word16* /* audioSamples */, |
| WebRtc_Word8* /* speechType */) { |
| return 0; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalInitEncoder( |
| WebRtcACMCodecParams* codecParams) { |
| WebRtc_Word16 ret; |
| |
| switch (_operationalRate) { |
| case 24000: { |
| ret = WebRtcG7221C_EncoderInit24(_encoderInst24PtrR); |
| if (ret < 0) { |
| return ret; |
| } |
| return WebRtcG7221C_EncoderInit24(_encoderInst24Ptr); |
| } |
| case 32000: { |
| ret = WebRtcG7221C_EncoderInit32(_encoderInst32PtrR); |
| if (ret < 0) { |
| return ret; |
| } |
| return WebRtcG7221C_EncoderInit32(_encoderInst32Ptr); |
| } |
| case 48000: { |
| ret = WebRtcG7221C_EncoderInit48(_encoderInst48PtrR); |
| if (ret < 0) { |
| return ret; |
| } |
| return WebRtcG7221C_EncoderInit48(_encoderInst48Ptr); |
| } |
| default: { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "InternalInitEncode: Wrong rate for G722_1c."); |
| return -1; |
| } |
| } |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalInitDecoder( |
| WebRtcACMCodecParams* /* codecParams */) { |
| switch (_operationalRate) { |
| case 24000: { |
| return WebRtcG7221C_DecoderInit24(_decoderInst24Ptr); |
| } |
| case 32000: { |
| return WebRtcG7221C_DecoderInit32(_decoderInst32Ptr); |
| } |
| case 48000: { |
| return WebRtcG7221C_DecoderInit48(_decoderInst48Ptr); |
| } |
| default: { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "InternalInitDecoder: Wrong rate for G722_1c."); |
| return -1; |
| } |
| } |
| } |
| |
| WebRtc_Word32 ACMG722_1C::CodecDef(WebRtcNetEQ_CodecDef& codecDef, |
| const CodecInst& codecInst) { |
| |
| if (!_decoderInitialized) { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "CodeDef: decoder not initialized for G722_1c"); |
| return -1; |
| } |
| // NetEq has an array of pointers to WebRtcNetEQ_CodecDef. |
| // get an entry of that array (neteq wrapper will allocate memory) |
| // by calling "netEq->CodecDef", where "NETEQ_CODEC_G722_1_XX" would |
| // be the index of the entry. |
| // Fill up the given structure by calling |
| // "SET_CODEC_PAR" & "SET_G722_1_XX_FUNCTION." |
| // Then return the structure back to NetEQ to add the codec to it's |
| // database. |
| switch (_operationalRate) { |
| case 24000: { |
| SET_CODEC_PAR((codecDef), kDecoderG722_1C_24, codecInst.pltype, |
| _decoderInst24Ptr, 32000); |
| SET_G722_1C_24_FUNCTIONS((codecDef)); |
| break; |
| } |
| case 32000: { |
| SET_CODEC_PAR((codecDef), kDecoderG722_1C_32, codecInst.pltype, |
| _decoderInst32Ptr, 32000); |
| SET_G722_1C_32_FUNCTIONS((codecDef)); |
| break; |
| } |
| case 48000: { |
| SET_CODEC_PAR((codecDef), kDecoderG722_1C_32, codecInst.pltype, |
| _decoderInst48Ptr, 32000); |
| SET_G722_1C_48_FUNCTIONS((codecDef)); |
| break; |
| } |
| default: { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "CodeDef: Wrong rate for G722_1c."); |
| return -1; |
| } |
| } |
| return 0; |
| } |
| |
| ACMGenericCodec* |
| ACMG722_1C::CreateInstance(void) { |
| return NULL; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalCreateEncoder() { |
| if ((_encoderInstPtr == NULL) || (_encoderInstPtrRight == NULL)) { |
| return -1; |
| } |
| switch (_operationalRate) { |
| case 24000: { |
| WebRtcG7221C_CreateEnc24(&_encoderInst24Ptr); |
| WebRtcG7221C_CreateEnc24(&_encoderInst24PtrR); |
| break; |
| } |
| case 32000: { |
| WebRtcG7221C_CreateEnc32(&_encoderInst32Ptr); |
| WebRtcG7221C_CreateEnc32(&_encoderInst32PtrR); |
| break; |
| } |
| case 48000: { |
| WebRtcG7221C_CreateEnc48(&_encoderInst48Ptr); |
| WebRtcG7221C_CreateEnc48(&_encoderInst48PtrR); |
| break; |
| } |
| default: { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "InternalCreateEncoder: Wrong rate for G722_1c."); |
| return -1; |
| } |
| } |
| return 0; |
| } |
| |
| void ACMG722_1C::DestructEncoderSafe() { |
| _encoderExist = false; |
| _encoderInitialized = false; |
| if (_encoderInstPtr != NULL) { |
| delete _encoderInstPtr; |
| _encoderInstPtr = NULL; |
| } |
| if (_encoderInstPtrRight != NULL) { |
| delete _encoderInstPtrRight; |
| _encoderInstPtrRight = NULL; |
| } |
| _encoderInst24Ptr = NULL; |
| _encoderInst32Ptr = NULL; |
| _encoderInst48Ptr = NULL; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::InternalCreateDecoder() { |
| if (_decoderInstPtr == NULL) { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "InternalCreateEncoder: cannot create decoder"); |
| return -1; |
| } |
| switch (_operationalRate) { |
| case 24000: { |
| WebRtcG7221C_CreateDec24(&_decoderInst24Ptr); |
| break; |
| } |
| case 32000: { |
| WebRtcG7221C_CreateDec32(&_decoderInst32Ptr); |
| break; |
| } |
| case 48000: { |
| WebRtcG7221C_CreateDec48(&_decoderInst48Ptr); |
| break; |
| } |
| default: { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "InternalCreateEncoder: Wrong rate for G722_1c."); |
| return -1; |
| } |
| } |
| return 0; |
| } |
| |
| void ACMG722_1C::DestructDecoderSafe() { |
| _decoderExist = false; |
| _decoderInitialized = false; |
| if (_decoderInstPtr != NULL) { |
| delete _decoderInstPtr; |
| _decoderInstPtr = NULL; |
| } |
| _decoderInst24Ptr = NULL; |
| _decoderInst32Ptr = NULL; |
| _decoderInst48Ptr = NULL; |
| } |
| |
| void ACMG722_1C::InternalDestructEncoderInst(void* ptrInst) { |
| if (ptrInst != NULL) { |
| delete ptrInst; |
| } |
| return; |
| } |
| |
| WebRtc_Word16 ACMG722_1C::UnregisterFromNetEqSafe(ACMNetEQ* netEq, |
| WebRtc_Word16 payloadType) { |
| if (payloadType != _decoderParams.codecInstant.pltype) { |
| WEBRTC_TRACE(webrtc::kTraceError, |
| webrtc::kTraceAudioCoding, |
| _uniqueID, |
| "Cannot unregister codec %s given payload-type %d does not" |
| "match the stored payload type", |
| _decoderParams.codecInstant.plname, payloadType, |
| _decoderParams.codecInstant.pltype); |
| return -1; |
| } |
| switch (_operationalRate) { |
| case 24000: { |
| return netEq->RemoveCodec(kDecoderG722_1C_24); |
| } |
| case 32000: { |
| return netEq->RemoveCodec(kDecoderG722_1C_32); |
| } |
| case 48000: { |
| return netEq->RemoveCodec(kDecoderG722_1C_48); |
| } |
| default: { |
| WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, _uniqueID, |
| "Could not remove codec from NetEQ for G722_1c." |
| "Sampling frequency doesn't match"); |
| return -1; |
| } |
| } |
| } |
| |
| #endif |
| |
| } // namespace webrtc |