1c77dfd521
Breaks Android build. TBR=turaj@webrtc.org Review URL: https://webrtc-codereview.appspot.com/2244004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4777 4adac7df-926f-26a2-2b94-8c16560cd09d
151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
/*
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* Copyright (c) 2012 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 "webrtc/modules/audio_coding/main/source/acm_cng.h"
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#include "webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h"
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#include "webrtc/modules/audio_coding/main/source/acm_codec_database.h"
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#include "webrtc/modules/audio_coding/main/source/acm_common_defs.h"
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#include "webrtc/modules/audio_coding/main/source/acm_neteq.h"
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#include "webrtc/modules/audio_coding/neteq/interface/webrtc_neteq.h"
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#include "webrtc/modules/audio_coding/neteq/interface/webrtc_neteq_help_macros.h"
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#include "webrtc/system_wrappers/interface/trace.h"
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namespace webrtc {
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namespace acm1 {
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ACMCNG::ACMCNG(int16_t codec_id) {
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encoder_inst_ptr_ = NULL;
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decoder_inst_ptr_ = NULL;
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codec_id_ = codec_id;
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samp_freq_hz_ = ACMCodecDB::CodecFreq(codec_id_);
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return;
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}
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ACMCNG::~ACMCNG() {
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if (encoder_inst_ptr_ != NULL) {
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WebRtcCng_FreeEnc(encoder_inst_ptr_);
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encoder_inst_ptr_ = NULL;
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}
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if (decoder_inst_ptr_ != NULL) {
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WebRtcCng_FreeDec(decoder_inst_ptr_);
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decoder_inst_ptr_ = NULL;
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}
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return;
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}
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// CNG is not like a regular encoder, this function
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// should not be called normally
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// instead the following function is called from inside
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// ACMGenericCodec::ProcessFrameVADDTX
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int16_t ACMCNG::InternalEncode(uint8_t* /* bitstream */,
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int16_t* /* bitstream_len_byte */) {
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return -1;
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}
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int16_t ACMCNG::DecodeSafe(uint8_t* /* bitstream */,
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int16_t /* bitstream_len_byte */,
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int16_t* /* audio */,
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int16_t* /* audio_samples */,
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int8_t* /* speech_type */) {
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return 0;
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}
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// CNG is not like a regular encoder,
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// this function should not be called normally
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// instead the following function is called from inside
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// ACMGenericCodec::ProcessFrameVADDTX
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int16_t ACMCNG::InternalInitEncoder(
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WebRtcACMCodecParams* /* codec_params */) {
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return -1;
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}
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int16_t ACMCNG::InternalInitDecoder(
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WebRtcACMCodecParams* /* codec_params */) {
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return WebRtcCng_InitDec(decoder_inst_ptr_);
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}
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int32_t ACMCNG::CodecDef(WebRtcNetEQ_CodecDef& codec_def,
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const CodecInst& codec_inst) {
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if (!decoder_initialized_) {
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// TODO(tlegrand): log error
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return -1;
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}
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// Fill up the structure by calling
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// "SET_CODEC_PAR" & "SET_CNG_FUNCTION."
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// Then return the structure back to NetEQ to add the codec to it's
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// database.
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if (samp_freq_hz_ == 8000 || samp_freq_hz_ == 16000 ||
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samp_freq_hz_ == 32000 || samp_freq_hz_ == 48000) {
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SET_CODEC_PAR((codec_def), kDecoderCNG, codec_inst.pltype,
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decoder_inst_ptr_, samp_freq_hz_);
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SET_CNG_FUNCTIONS((codec_def));
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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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ACMGenericCodec* ACMCNG::CreateInstance(void) {
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return NULL;
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}
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int16_t ACMCNG::InternalCreateEncoder() {
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if (WebRtcCng_CreateEnc(&encoder_inst_ptr_) < 0) {
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encoder_inst_ptr_ = 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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void ACMCNG::DestructEncoderSafe() {
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if (encoder_inst_ptr_ != NULL) {
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WebRtcCng_FreeEnc(encoder_inst_ptr_);
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encoder_inst_ptr_ = NULL;
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}
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encoder_exist_ = false;
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encoder_initialized_ = false;
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}
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int16_t ACMCNG::InternalCreateDecoder() {
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if (WebRtcCng_CreateDec(&decoder_inst_ptr_) < 0) {
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decoder_inst_ptr_ = 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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void ACMCNG::DestructDecoderSafe() {
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if (decoder_inst_ptr_ != NULL) {
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WebRtcCng_FreeDec(decoder_inst_ptr_);
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decoder_inst_ptr_ = NULL;
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}
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decoder_exist_ = false;
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decoder_initialized_ = false;
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}
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void ACMCNG::InternalDestructEncoderInst(void* ptr_inst) {
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if (ptr_inst != NULL) {
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WebRtcCng_FreeEnc(static_cast<CNG_enc_inst*>(ptr_inst));
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}
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return;
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}
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int16_t ACMCNG::EnableDTX() { return -1; }
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int16_t ACMCNG::DisableDTX() { return -1; }
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} // namespace acm1
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} // namespace webrtc
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