mirror of
https://github.com/RetroShare/RetroShare.git
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c76141ed65
- pqissl - pqissludp - PeerConnectStateBox - RsTlvBanListEntry - RsServer - TcpStream - PGPCertificateInfo - peerConnectAddress - AudioInputConfig - SpeexInputProcessor - xProgressBar - TBoard Removed unused member: - xProgressBar git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@8611 b45a01b8-16f6-495d-af2f-9b41ad6348cc
528 lines
19 KiB
C++
528 lines
19 KiB
C++
#include "SpeexProcessor.h"
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#include <speex/speex.h>
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#include <speex/speex_preprocess.h>
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#include <sstream>
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#include <iostream>
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#include <fstream>
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#include <fcntl.h>
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#include <math.h>
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#include <cstdlib>
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#include <QDateTime>
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#include <limits.h>
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#include "interface/rsVOIP.h"
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//#include "gui/settings/rsharesettings.h"
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#define iroundf(x) ( static_cast<int>(x) )
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using namespace QtSpeex;
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SpeexInputProcessor::SpeexInputProcessor(QObject *parent) : QIODevice(parent),
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iMaxBitRate(16800),
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lastEchoFrame(NULL),
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enc_state(0),
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enc_bits(),
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send_timestamp(0),
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bResetProcessor(true),
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preprocessor(0),
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echo_state(0),
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inputBuffer()
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{
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enc_bits = new SpeexBits;
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speex_bits_init(enc_bits);
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speex_bits_reset(enc_bits);
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enc_state = speex_encoder_init(&speex_wb_mode);
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int iArg = 0;
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speex_encoder_ctl(enc_state,SPEEX_SET_VAD, &iArg);
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speex_encoder_ctl(enc_state,SPEEX_SET_DTX, &iArg);
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float fArg=9.0;
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speex_encoder_ctl(enc_state,SPEEX_SET_VBR_QUALITY, &fArg);
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iArg = iMaxBitRate;
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speex_encoder_ctl(enc_state, SPEEX_SET_VBR_MAX_BITRATE, &iArg);
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iArg = 10;
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speex_encoder_ctl(enc_state,SPEEX_SET_COMPLEXITY, &iArg);
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iArg = 9;
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speex_encoder_ctl(enc_state,SPEEX_SET_QUALITY, &iArg);
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echo_state = NULL;
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//iEchoFreq = iMicFreq = iSampleRate;
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iSilentFrames = 0;
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iHoldFrames = 0;
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bResetProcessor = true;
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//bEchoMulti = false;
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preprocessor = NULL;
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echo_state = NULL;
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//srsMic = srsEcho = NULL;
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//iJitterSeq = 0;
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//iMinBuffered = 1000;
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//psMic = new short[iFrameSize];
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psClean = new short[SAMPLING_RATE];
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//psSpeaker = NULL;
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//iEchoChannels = iMicChannels = 0;
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//iEchoFilled = iMicFilled = 0;
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//eMicFormat = eEchoFormat = SampleFloat;
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//iMicSampleSize = iEchoSampleSize = 0;
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bPreviousVoice = false;
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//pfMicInput = pfEchoInput = pfOutput = NULL;
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iRealTimeBitrate = 0;
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dPeakSignal = dPeakSpeaker = dMaxMic = dPeakMic = dPeakCleanMic = dVoiceAcivityLevel = 0.0;
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dMaxMic = 0.0;
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//if (g.uiSession) {
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//TODO : get the maxbitrate from a rs service or a dynamic code
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//iMaxBitRate = 10000;
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//}
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//bRunning = true;
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}
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SpeexInputProcessor::~SpeexInputProcessor() {
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if (preprocessor) {
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speex_preprocess_state_destroy(preprocessor);
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}
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if (echo_state) {
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speex_echo_state_destroy(echo_state);
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}
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speex_encoder_destroy(enc_state);
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speex_bits_destroy(enc_bits);
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delete enc_bits;
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delete[] psClean;
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}
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QByteArray SpeexInputProcessor::getNetworkPacket() {
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return outputNetworkBuffer.takeFirst();
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}
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bool SpeexInputProcessor::hasPendingPackets() {
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return !outputNetworkBuffer.empty();
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}
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qint64 SpeexInputProcessor::writeData(const char *data, qint64 maxSize) {
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int iArg;
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int i;
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float sum;
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short max;
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inputBuffer += QByteArray(data, maxSize);
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while((size_t)inputBuffer.size() > FRAME_SIZE * sizeof(qint16)) {
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QByteArray source_frame = inputBuffer.left(FRAME_SIZE * sizeof(qint16));
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short* psMic = (short *)source_frame.data();
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//let's do volume detection
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sum=1.0f;
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for (i=0;i<FRAME_SIZE;i++) {
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sum += static_cast<float>(psMic[i] * psMic[i]);
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}
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dPeakMic = qMax(20.0f*log10f(sqrtf(sum / static_cast<float>(FRAME_SIZE)) / 32768.0f), -96.0f);
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max = 1;
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for (i=0;i<FRAME_SIZE;i++)
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max = static_cast<short>(std::abs(psMic[i]) > max ? std::abs(psMic[i]) : max);
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dMaxMic = max;
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dPeakSpeaker = 0.0;
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QMutexLocker l(&qmSpeex);
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if (bResetProcessor) {
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if (preprocessor)
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speex_preprocess_state_destroy(preprocessor);
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preprocessor = speex_preprocess_state_init(FRAME_SIZE, SAMPLING_RATE);
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iArg = 1;
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_VAD, &iArg);
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_AGC, &iArg);
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_DENOISE, &iArg);
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_DEREVERB, &iArg);
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iArg = 30000;
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_AGC_TARGET, &iArg);
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iArg = -60;
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_AGC_DECREMENT, &iArg);
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iArg = rsVOIP->getVoipiNoiseSuppress();
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, &iArg);
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if (echo_state) {
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iArg = SAMPLING_RATE;
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speex_echo_ctl(echo_state, SPEEX_ECHO_SET_SAMPLING_RATE, &iArg);
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_ECHO_STATE, echo_state);
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}
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bResetProcessor = false;
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}
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float v = 30000.0f / static_cast<float>(rsVOIP->getVoipiMinLoudness());
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iArg = iroundf(floorf(20.0f * log10f(v)));
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_AGC_MAX_GAIN, &iArg);
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_GET_AGC_GAIN, &iArg);
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float gainValue = static_cast<float>(iArg);
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iArg = rsVOIP->getVoipiNoiseSuppress() - iArg;
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, &iArg);
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short * psSource = psMic;
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if (echo_state && rsVOIP->getVoipEchoCancel()) {
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speex_echo_playback(echo_state, (short*)lastEchoFrame->data());
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speex_echo_capture(echo_state,psMic,psClean);
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psSource = psClean;
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}
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speex_preprocess_run(preprocessor, psSource);
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//we will now analize the processed signal
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sum=1.0f;
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for (i=0;i<FRAME_SIZE;i++)
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sum += static_cast<float>(psSource[i] * psSource[i]);
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float micLevel = sqrtf(sum / static_cast<float>(FRAME_SIZE));
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dPeakSignal = qMax(20.0f*log10f(micLevel / 32768.0f), -96.0f);
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spx_int32_t prob = 0;
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_GET_PROB, &prob);//speech probability
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fSpeechProb = static_cast<float>(prob) / 100.0f;
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// clean microphone level: peak of filtered signal attenuated by AGC gain
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dPeakCleanMic = qMax(dPeakSignal - gainValue, -96.0f);
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dVoiceAcivityLevel = 0.4f * fSpeechProb + 0.6f * (1.0f + dPeakCleanMic / 96.0f);//ponderation for speech detection and audio amplitude
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bool bIsSpeech = false;
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if (dVoiceAcivityLevel > (static_cast<float>(rsVOIP->getVoipfVADmax()) / 32767))
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bIsSpeech = true;
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else if (dVoiceAcivityLevel > (static_cast<float>(rsVOIP->getVoipfVADmin()) / 32767) && bPreviousVoice)
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bIsSpeech = true;
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if (! bIsSpeech) {
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iHoldFrames++;
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if (iHoldFrames < rsVOIP->getVoipVoiceHold())
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bIsSpeech = true;
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} else {
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iHoldFrames = 0;
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}
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if (rsVOIP->getVoipATransmit() == RsVOIP::AudioTransmitContinous) {
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bIsSpeech = true;
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}
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else if (rsVOIP->getVoipATransmit() == RsVOIP::AudioTransmitPushToTalk)
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bIsSpeech = false;//g.s.uiDoublePush && ((g.uiDoublePush < g.s.uiDoublePush) || (g.tDoublePush.elapsed() < g.s.uiDoublePush));
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//bIsSpeech = bIsSpeech || (g.iPushToTalk > 0);
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/*if (g.s.bMute || ((g.s.lmLoopMode != RsVOIP::Local) && p && (p->bMute || p->bSuppress)) || g.bPushToMute || (g.iTarget < 0)) {
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bIsSpeech = false;
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}*/
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if (bIsSpeech) {
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iSilentFrames = 0;
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} else {
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iSilentFrames++;
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}
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/*if (p) {
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if (! bIsSpeech)
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p->setTalking(RsVOIP::Passive);
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else if (g.iTarget == 0)
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p->setTalking(RsVOIP::Talking);
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else
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p->setTalking(RsVOIP::Shouting);
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}*/
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if (! bIsSpeech && ! bPreviousVoice) {
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iRealTimeBitrate = 0;
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/*if (g.s.iIdleTime && ! g.s.bDeaf && ((tIdle.elapsed() / 1000000ULL) > g.s.iIdleTime)) {
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emit doDeaf();
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tIdle.restart();
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}*/
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spx_int32_t increment = 0;
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_AGC_INCREMENT, &increment);
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} else {
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spx_int32_t increment = 12;
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speex_preprocess_ctl(preprocessor, SPEEX_PREPROCESS_SET_AGC_INCREMENT, &increment);
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}
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int vbr_on=0;
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//just use fixed bitrate for now
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//encryption of VBR-encoded speech may not ensure complete privacy, as phrases can still be identified, at least in a controlled setting with a small dictionary of phrases, by analysing the pattern of variation of the bit rate.
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if (rsVOIP->getVoipATransmit() == RsVOIP::AudioTransmitVAD) {//maybe we can do fixer bitrate when voice detection is active
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vbr_on = 1;//test it on for all modes
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} else {//maybe we can do vbr for ppt and continuous
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vbr_on = 1;
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}
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speex_encoder_ctl(enc_state,SPEEX_SET_VBR, &vbr_on);
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int br = 0;
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speex_encoder_ctl(enc_state, SPEEX_GET_VBR_MAX_BITRATE, &br);
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if (br != iMaxBitRate) {
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br = iMaxBitRate;
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speex_encoder_ctl(enc_state, SPEEX_SET_VBR_MAX_BITRATE, &br);
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}
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speex_encoder_ctl(enc_state, SPEEX_GET_BITRATE, &br);
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if (br != iMaxBitRate) {
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br = iMaxBitRate;
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speex_encoder_ctl(enc_state, SPEEX_SET_BITRATE, &br);
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}
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if (! bPreviousVoice)
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speex_encoder_ctl(enc_state, SPEEX_RESET_STATE, NULL);
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if (bIsSpeech) {
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speex_bits_reset(enc_bits);
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speex_encode_int(enc_state, psSource, enc_bits);
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QByteArray networkFrame;
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networkFrame.resize(speex_bits_nbytes(enc_bits)+4);//add 4 for the frame timestamp for the jitter buffer
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int packetSize = speex_bits_write(enc_bits, networkFrame.data()+4, networkFrame.size()-4);
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((int*)networkFrame.data())[0] = send_timestamp;
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outputNetworkBuffer.append(networkFrame);
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emit networkPacketReady();
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iRealTimeBitrate = packetSize * SAMPLING_RATE / FRAME_SIZE * 8;
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} else {
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iRealTimeBitrate = 0;
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}
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bPreviousVoice = bIsSpeech;
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//std::cerr << "iRealTimeBitrate : " << iRealTimeBitrate << std::endl;
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send_timestamp += FRAME_SIZE;
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if (send_timestamp >= INT_MAX)
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send_timestamp = 0;
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inputBuffer = inputBuffer.right(inputBuffer.size() - FRAME_SIZE * sizeof(qint16));
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}
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return maxSize;
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}
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SpeexOutputProcessor::SpeexOutputProcessor(QObject *parent) : QIODevice(parent),
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outputBuffer()
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{
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}
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SpeexOutputProcessor::~SpeexOutputProcessor() {
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QHashIterator<QString, SpeexJitter*> i(userJitterHash);
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while (i.hasNext()) {
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i.next();
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speex_jitter_destroy(*(i.value()));
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free (i.value());
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}
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}
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void SpeexOutputProcessor::putNetworkPacket(QString name, QByteArray packet) {
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//buffer:
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// timestamp | encodedBuf
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// —————–———–——————–———–——————–———–——————–
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// 4 | totalSize – 4
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//the size part (first 4 byets) is not actually used in the logic
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if (packet.size() > 4)
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{
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SpeexJitter* userJitter;
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if (userJitterHash.contains(name)) {
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userJitter = userJitterHash.value(name);
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} else {
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userJitter = (SpeexJitter*)malloc(sizeof(SpeexJitter));
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speex_jitter_init(userJitter, speex_decoder_init(&speex_wb_mode), SAMPLING_RATE);
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int on = 1;
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speex_decoder_ctl(userJitter->dec, SPEEX_SET_ENH, &on);
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userJitterHash.insert(name, userJitter);
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}
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int recv_timestamp = ((int*)packet.data())[0];
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userJitter->mostUpdatedTSatPut = recv_timestamp;
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if (userJitter->firsttimecalling_get)
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return;
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speex_jitter_put(*userJitter, (char *)packet.data()+4, packet.size()-4, recv_timestamp);
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}
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}
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bool SpeexInputProcessor::isSequential() const {
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return true;
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}
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void SpeexInputProcessor::addEchoFrame(QByteArray* echo_frame) {
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if (rsVOIP->getVoipEchoCancel() && echo_frame) {
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QMutexLocker l(&qmSpeex);
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lastEchoFrame = echo_frame;
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if (!echo_state) {//init echo_state
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echo_state = speex_echo_state_init(FRAME_SIZE, ECHOTAILSIZE*FRAME_SIZE);
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int tmp = SAMPLING_RATE;
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speex_echo_ctl(echo_state, SPEEX_ECHO_SET_SAMPLING_RATE, &tmp);
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bResetProcessor = true;
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}
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lastEchoFrame = echo_frame;
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}
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}
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qint64 SpeexOutputProcessor::readData(char *data, qint64 maxSize) {
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int ts = 0; //time stamp for the jitter call
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while(outputBuffer.size() < maxSize) {
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QByteArray* result_frame = new QByteArray();
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result_frame->resize(FRAME_SIZE * sizeof(qint16));
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result_frame->fill(0,FRAME_SIZE * sizeof(qint16));
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QHashIterator<QString, SpeexJitter*> i(userJitterHash);
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while (i.hasNext()) {
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i.next();
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SpeexJitter* jitter = i.value();
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QByteArray intermediate_frame;
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intermediate_frame.resize(FRAME_SIZE * sizeof(qint16));
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if (jitter->firsttimecalling_get)
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{
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//int ts = jitter->mostUpdatedTSatPut;
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jitter->firsttimecalling_get = false;
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}
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speex_jitter_get(*jitter, (spx_int16_t*)intermediate_frame.data(), &ts);
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for (int j = 0; j< FRAME_SIZE; j++) {
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short sample1 = ((short*)result_frame->data())[j];
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short sample2 = ((short*)intermediate_frame.data())[j];
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float samplef1 = sample1 / 32768.0f;
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float samplef2 = sample2 / 32768.0f;
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float mixed = samplef1 + 0.8f * samplef2;
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// hard clipping
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if (mixed > 1.0f) mixed = 1.0f;
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if (mixed < -1.0f) mixed = -1.0f;
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((spx_int16_t*)result_frame->data())[j] = (short)(mixed * 32768.0f);
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}
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}
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outputBuffer += *result_frame;
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emit playingFrame(result_frame);
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}
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QByteArray resultBuffer = outputBuffer.left(maxSize);
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memcpy(data, resultBuffer.data(), resultBuffer.size());
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outputBuffer = outputBuffer.right(outputBuffer.size() - resultBuffer.size());
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return resultBuffer.size();
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}
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bool SpeexOutputProcessor::isSequential() const {
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return true;
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}
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void SpeexOutputProcessor::speex_jitter_init(SpeexJitter *jit, void *decoder, int /*sampling_rate*/)
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{
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jit->dec = decoder;
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speex_decoder_ctl(decoder, SPEEX_GET_FRAME_SIZE, &jit->frame_size);
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jit->packets = jitter_buffer_init(jit->frame_size);
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jit->current_packet = new SpeexBits;
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speex_bits_init(jit->current_packet);
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jit->valid_bits = 0;
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jit->firsttimecalling_get = true;
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jit->mostUpdatedTSatPut = 0;
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}
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void SpeexOutputProcessor::speex_jitter_destroy(SpeexJitter jitter)
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{
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if (jitter.dec) {
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speex_decoder_destroy(jitter.dec);
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}
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jitter_buffer_destroy(jitter.packets);
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speex_bits_destroy(jitter.current_packet);
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}
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void SpeexOutputProcessor::speex_jitter_put(SpeexJitter jitter, char *packet, int len, int timestamp)
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{
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JitterBufferPacket p;
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p.data = packet;
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p.len = len;
|
||
p.timestamp = timestamp;
|
||
p.span = jitter.frame_size;
|
||
jitter_buffer_put(jitter.packets, &p);
|
||
}
|
||
|
||
void SpeexOutputProcessor::speex_jitter_get(SpeexJitter jitter, spx_int16_t *out, int *current_timestamp)
|
||
{
|
||
int i;
|
||
int ret;
|
||
spx_int32_t activity;
|
||
//int bufferCount = 0;
|
||
JitterBufferPacket packet;
|
||
char data[FRAME_SIZE * ECHOTAILSIZE * 10];
|
||
packet.data = data;
|
||
packet.len = FRAME_SIZE * ECHOTAILSIZE * 10;
|
||
|
||
if (jitter.valid_bits)
|
||
{
|
||
/* Try decoding last received packet */
|
||
ret = speex_decode_int(jitter.dec, jitter.current_packet, out);
|
||
if (ret == 0)
|
||
{
|
||
jitter_buffer_tick(jitter.packets);
|
||
return;
|
||
} else {
|
||
jitter.valid_bits = 0;
|
||
}
|
||
}
|
||
|
||
if (current_timestamp)
|
||
ret = jitter_buffer_get(jitter.packets, &packet, jitter.frame_size, current_timestamp);
|
||
else
|
||
ret = jitter_buffer_get(jitter.packets, &packet, jitter.frame_size, NULL);
|
||
|
||
if (ret != JITTER_BUFFER_OK)
|
||
{
|
||
/* No packet found */
|
||
speex_decode_int(jitter.dec, NULL, out);
|
||
} else {
|
||
speex_bits_read_from(jitter.current_packet, packet.data, packet.len);
|
||
/* Decode packet */
|
||
ret = speex_decode_int(jitter.dec, jitter.current_packet, out);
|
||
if (ret == 0)
|
||
{
|
||
jitter.valid_bits = 1;
|
||
} else {
|
||
/* Error while decoding */
|
||
for (i=0;i<jitter.frame_size;i++)
|
||
out[i]=0;
|
||
}
|
||
}
|
||
speex_decoder_ctl(jitter.dec, SPEEX_GET_ACTIVITY, &activity);
|
||
if (activity < 30)
|
||
{
|
||
jitter_buffer_update_delay(jitter.packets, &packet, NULL);
|
||
}
|
||
jitter_buffer_tick(jitter.packets);
|
||
//ret = jitter_buffer_ctl(jitter.packets, JITTER_BUFFER_GET_AVALIABLE_COUNT, &bufferCount);
|
||
//sprintf(msg, “ get %d bufferCount=%d\n”, speex_jitter_get_pointer_timestamp(jitter), bufferCount);
|
||
//debugPrint(msg);
|
||
}
|
||
|
||
int SpeexOutputProcessor::speex_jitter_get_pointer_timestamp(SpeexJitter jitter)
|
||
{
|
||
return jitter_buffer_get_pointer_timestamp(jitter.packets);
|
||
}
|