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Ref T730, OPUS de/encoder namespace
This commit is contained in:
committed by
Mat Sutcliffe
parent
9809acd98c
commit
34d1e8268c
@@ -16,16 +16,16 @@ DEPENDPATH += . ..
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DEFINES += LOG_IN_FILE BUILD_BLACKSOUND_LIB
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HEADERS += *.h
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HEADERS += wav/wavfile.h
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HEADERS += dsp/*.h
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HEADERS += codecs/*.h
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HEADERS += samplesprovider/*.h
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HEADERS += $$PWD/wav/wavfile.h
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HEADERS += $$PWD/dsp/*.h
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HEADERS += $$PWD/codecs/*.h
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HEADERS += $$PWD/sampleprovider/*.h
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SOURCES += *.cpp
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SOURCES += wav/wavfile.cpp
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SOURCES += dsp/*.cpp
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SOURCES += codecs/*.cpp
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SOURCES += samplesprovider/*.cpp
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SOURCES += $$PWD/wav/wavfile.cpp
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SOURCES += $$PWD/dsp/*.cpp
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SOURCES += $$PWD/codecs/*.cpp
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SOURCES += $$PWD/sampleprovider/*.cpp
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LIBS *= -lopus
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@@ -1,40 +1,54 @@
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/* Copyright (C) 2019
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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#include "opusdecoder.h"
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COpusDecoder::COpusDecoder(int sampleRate, int channels) :
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m_sampleRate(sampleRate),
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m_channels(channels)
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namespace BlackSound
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{
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int error;
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opusDecoder = opus_decoder_create(sampleRate, channels, &error);
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}
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COpusDecoder::~COpusDecoder()
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{
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opus_decoder_destroy(opusDecoder);
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}
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int COpusDecoder::frameCount(int bufferSize)
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{
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// seems like bitrate should be required
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int bitrate = 16;
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int bytesPerSample = (bitrate / 8) * m_channels;
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return bufferSize / bytesPerSample;
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}
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QVector<qint16> COpusDecoder::decode(const QByteArray opusData, int dataLength, int *decodedLength)
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{
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QVector<qint16> decoded(maxDataBytes, 0);
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int count = frameCount(maxDataBytes);
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if (! opusData.isEmpty())
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namespace Codecs
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{
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*decodedLength = opus_decode(opusDecoder, reinterpret_cast<const unsigned char*>(opusData.data()), dataLength, decoded.data(), count, 0);
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}
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decoded.resize(*decodedLength);
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return decoded;
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}
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COpusDecoder::COpusDecoder(int sampleRate, int channels) :
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m_sampleRate(sampleRate),
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m_channels(channels)
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{
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int error;
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opusDecoder = opus_decoder_create(sampleRate, channels, &error);
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}
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void COpusDecoder::resetState()
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{
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opus_decoder_ctl(opusDecoder, OPUS_RESET_STATE);
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}
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COpusDecoder::~COpusDecoder()
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{
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opus_decoder_destroy(opusDecoder);
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}
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int COpusDecoder::frameCount(int bufferSize)
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{
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// seems like bitrate should be required
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int bitrate = 16;
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int bytesPerSample = (bitrate / 8) * m_channels;
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return bufferSize / bytesPerSample;
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}
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QVector<qint16> COpusDecoder::decode(const QByteArray opusData, int dataLength, int *decodedLength)
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{
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QVector<qint16> decoded(maxDataBytes, 0);
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int count = frameCount(maxDataBytes);
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if (! opusData.isEmpty())
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{
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*decodedLength = opus_decode(opusDecoder, reinterpret_cast<const unsigned char *>(opusData.data()), dataLength, decoded.data(), count, 0);
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}
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decoded.resize(*decodedLength);
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return decoded;
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}
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void COpusDecoder::resetState()
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{
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opus_decoder_ctl(opusDecoder, OPUS_RESET_STATE);
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}
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} // ns
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} // ns
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@@ -1,30 +1,49 @@
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#ifndef OPUSDECODER_H
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#define OPUSDECODER_H
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/* Copyright (C) 2019
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKSOUND_OPUSDECODER_H
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#define BLACKSOUND_OPUSDECODER_H
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#include "blacksound/blacksoundexport.h"
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#include "opus/opus.h"
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#include <QVector>
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class BLACKSOUND_EXPORT COpusDecoder
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namespace BlackSound
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{
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public:
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COpusDecoder(int sampleRate, int channels);
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~COpusDecoder();
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namespace Codecs
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{
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//! OPUS decoder
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class BLACKSOUND_EXPORT COpusDecoder
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{
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public:
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//! Ctor
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COpusDecoder(int sampleRate, int channels);
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int frameCount(int bufferSize);
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//! Dtor
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~COpusDecoder();
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QVector<qint16> decode(const QByteArray opusData, int dataLength, int *decodedLength);
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int frameCount(int bufferSize);
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void resetState();
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QVector<qint16> decode(const QByteArray opusData, int dataLength, int *decodedLength);
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private:
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OpusDecoder *opusDecoder;
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int m_sampleRate;
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int m_channels;
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void resetState();
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static constexpr int maxDataBytes = 4000;
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};
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private:
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OpusDecoder *opusDecoder;
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int m_sampleRate;
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int m_channels;
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#endif // OPUSDECODER_H
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static constexpr int maxDataBytes = 4000;
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};
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} // ns
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} // ns
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#endif // guard
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@@ -1,30 +1,42 @@
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/* Copyright (C) 2019
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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#include "opusencoder.h"
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COpusEncoder::COpusEncoder(int sampleRate, int channels, int application) :
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m_sampleRate(sampleRate),
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m_channels(channels)
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namespace BlackSound
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{
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int error;
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opusEncoder = opus_encoder_create(sampleRate, channels, application, &error);
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}
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namespace Codecs
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{
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COpusEncoder::COpusEncoder(int sampleRate, int channels, int application) :
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m_sampleRate(sampleRate),
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m_channels(channels)
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{
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int error;
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opusEncoder = opus_encoder_create(sampleRate, channels, application, &error);
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}
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COpusEncoder::~COpusEncoder()
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{
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opus_encoder_destroy(opusEncoder);
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}
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void COpusEncoder::setBitRate(int bitRate)
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{
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opus_encoder_ctl(opusEncoder, OPUS_SET_BITRATE(bitRate));
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}
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QByteArray COpusEncoder::encode(const QVector<qint16> pcmSamples, int samplesLength, int *encodedLength)
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{
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QByteArray encoded(maxDataBytes, 0);
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int length = opus_encode(opusEncoder, reinterpret_cast<const opus_int16 *>(pcmSamples.data()), samplesLength, reinterpret_cast<unsigned char*>(encoded.data()), maxDataBytes);
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*encodedLength = length;
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encoded.truncate(length);
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return encoded;
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}
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COpusEncoder::~COpusEncoder()
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{
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opus_encoder_destroy(opusEncoder);
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}
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void COpusEncoder::setBitRate(int bitRate)
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{
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opus_encoder_ctl(opusEncoder, OPUS_SET_BITRATE(bitRate));
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}
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QByteArray COpusEncoder::encode(const QVector<qint16> pcmSamples, int samplesLength, int *encodedLength)
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{
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QByteArray encoded(maxDataBytes, 0);
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int length = opus_encode(opusEncoder, reinterpret_cast<const opus_int16 *>(pcmSamples.data()), samplesLength, reinterpret_cast<unsigned char *>(encoded.data()), maxDataBytes);
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*encodedLength = length;
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encoded.truncate(length);
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return encoded;
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}
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} // ns
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} // ns
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@@ -1,5 +1,15 @@
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#ifndef OPUSENCODER_H
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#define OPUSENCODER_H
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/* Copyright (C) 2019
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKSOUND_OPUSENCODER_H
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#define BLACKSOUND_OPUSENCODER_H
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#include "blacksound/blacksoundexport.h"
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#include "opus/opus.h"
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@@ -7,28 +17,38 @@
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#include <QByteArray>
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#include <QVector>
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class BLACKSOUND_EXPORT COpusEncoder
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namespace BlackSound
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{
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public:
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COpusEncoder(int sampleRate, int channels, int application = OPUS_APPLICATION_VOIP);
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~COpusEncoder();
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namespace Codecs
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{
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//! OPUS encoder
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class BLACKSOUND_EXPORT COpusEncoder
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{
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public:
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//! Ctor
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COpusEncoder(int sampleRate, int channels, int application = OPUS_APPLICATION_VOIP);
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void setBitRate(int bitRate);
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//! Dtor
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~COpusEncoder();
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//! \param frameCount Number of audio samples per frame
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//! \returns the size of an audio frame in bytes
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int frameByteCount(int frameCount);
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void setBitRate(int bitRate);
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int frameCount(const QVector<qint16> pcmSamples);
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//! \param frameCount Number of audio samples per frame
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//! \returns the size of an audio frame in bytes
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int frameByteCount(int frameCount);
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QByteArray encode(const QVector<qint16> pcmSamples, int samplesLength, int *encodedLength);
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int frameCount(const QVector<qint16> pcmSamples);
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private:
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OpusEncoder *opusEncoder;
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int m_sampleRate;
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int m_channels;
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QByteArray encode(const QVector<qint16> pcmSamples, int samplesLength, int *encodedLength);
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static constexpr int maxDataBytes = 4000;
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};
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private:
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OpusEncoder *opusEncoder;
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int m_sampleRate;
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int m_channels;
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static constexpr int maxDataBytes = 4000;
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};
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} // ns
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} // ns
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#endif // guard
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