kopia lustrzana https://gitlab.com/eliggett/wfview
Update audiohandler.cpp
Phil Taylor
rodzic
c0a1000c9a
commit
9d63c36e51
279
audiohandler.cpp
279
audiohandler.cpp
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@ -407,163 +407,164 @@ void audioHandler::getNextAudioChunk()
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livePacket.time= QTime::currentTime();
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livePacket.sent = 0;
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memcpy(&livePacket.guid, setup.guid, GUIDLEN);
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livePacket.data = tempBuf.data.mid(0, format.bytesForDuration(setup.blockSize * 1000));
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tempBuf.data.remove(0, format.bytesForDuration(setup.blockSize * 1000));
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if (livePacket.data.length() > 0)
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{
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Eigen::VectorXf samplesF;
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if (format.sampleType() == QAudioFormat::SignedInt && format.sampleSize() == 32)
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while (tempBuf.data.length() > 0) {
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livePacket.data = tempBuf.data.mid(0, format.bytesForDuration(setup.blockSize * 1000));
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tempBuf.data.remove(0, format.bytesForDuration(setup.blockSize * 1000));
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if (livePacket.data.length() > 0)
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{
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VectorXint32 samplesI = Eigen::Map<VectorXint32>(reinterpret_cast<qint32*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(qint32)));
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samplesF = samplesI.cast<float>() / float(std::numeric_limits<qint32>::max());
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}
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else if (format.sampleType() == QAudioFormat::SignedInt && format.sampleSize() == 16)
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{
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VectorXint16 samplesI = Eigen::Map<VectorXint16>(reinterpret_cast<qint16*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(qint16)));
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samplesF = samplesI.cast<float>() / float(std::numeric_limits<qint16>::max());
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}
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else if (format.sampleType() == QAudioFormat::UnSignedInt && format.sampleSize() == 8)
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{
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VectorXuint8 samplesI = Eigen::Map<VectorXuint8>(reinterpret_cast<quint8*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(quint8)));
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samplesF = samplesI.cast<float>() / float(std::numeric_limits<quint8>::max());;
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}
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else if (format.sampleType() == QAudioFormat::SignedInt && format.sampleSize() == 8)
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{
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VectorXint8 samplesI = Eigen::Map<VectorXint8>(reinterpret_cast<qint8*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(qint8)));
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samplesF = samplesI.cast<float>() / float(std::numeric_limits<qint8>::max());;
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}
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else if (format.sampleType() == QAudioFormat::Float)
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{
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samplesF = Eigen::Map<Eigen::VectorXf>(reinterpret_cast<float*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(float)));
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}
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else {
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qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "Unsupported Sample Type:" << format.sampleType() << format.sampleSize();
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}
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/* samplesF is now an Eigen Vector of the current samples in float format */
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// Set the max amplitude found in the vector
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if (samplesF.size() > 0) {
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amplitude = samplesF.array().abs().maxCoeff();
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// Channel count should now match the device that audio is going to (rig)
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if (resampleRatio != 1.0) {
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// We need to resample
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// We have a stereo 16bit stream.
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quint32 outFrames = ((samplesF.size() / format.channelCount()) * resampleRatio);
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quint32 inFrames = (samplesF.size() / format.channelCount());
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QByteArray outPacket(outFrames * format.channelCount() * sizeof(float), (char)0xff); // Preset the output buffer size.
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const float* in = (float*)samplesF.data();
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float* out = (float*)outPacket.data();
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int err = 0;
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if (format.channelCount() == 1) {
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err = wf_resampler_process_float(resampler, 0, in, &inFrames, out, &outFrames);
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}
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else {
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err = wf_resampler_process_interleaved_float(resampler, in, &inFrames, out, &outFrames);
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}
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if (err) {
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qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "Resampler error " << err << " inFrames:" << inFrames << " outFrames:" << outFrames;
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}
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samplesF = Eigen::Map<Eigen::VectorXf>(reinterpret_cast<float*>(outPacket.data()), outPacket.size() / int(sizeof(float)));
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}
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// If we need to drop one of the audio channels, do it now
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if (format.channelCount() == 2 && setup.format.channelCount() == 1) {
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Eigen::VectorXf samplesTemp(samplesF.size() / 2);
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samplesTemp = Eigen::Map<Eigen::VectorXf, 0, Eigen::InnerStride<2> >(samplesF.data(), samplesF.size() / 2);
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samplesF = samplesTemp;
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}
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qInfo(logAudio()) << "Sending audio len" << livePacket.data.length() << "remaining" << tempBuf.data.length() << "resampled" << samplesF.size();
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if (setup.codec == 0x40 || setup.codec == 0x80)
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Eigen::VectorXf samplesF;
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if (format.sampleType() == QAudioFormat::SignedInt && format.sampleSize() == 32)
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{
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//Are we using the opus codec?
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float* in = (float*)samplesF.data();
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/* Encode the frame. */
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QByteArray outPacket(1275, (char)0xff); // Preset the output buffer size to MAXIMUM possible Opus frame size
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unsigned char* out = (unsigned char*)outPacket.data();
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int nbBytes = opus_encode_float(encoder, in, (samplesF.size()/setup.format.channelCount()), out, outPacket.length());
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if (nbBytes < 0)
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{
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qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "Opus encode failed:" << opus_strerror(nbBytes) << "Num Samples:" << samplesF.size();
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return;
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}
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else {
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outPacket.resize(nbBytes);
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samplesF = Eigen::Map<Eigen::VectorXf>(reinterpret_cast<float*>(outPacket.data()), outPacket.size() / int(sizeof(float)));
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}
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VectorXint32 samplesI = Eigen::Map<VectorXint32>(reinterpret_cast<qint32*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(qint32)));
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samplesF = samplesI.cast<float>() / float(std::numeric_limits<qint32>::max());
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}
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if (setup.format.sampleType() == QAudioFormat::SignedInt && setup.format.sampleSize() == 8)
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else if (format.sampleType() == QAudioFormat::SignedInt && format.sampleSize() == 16)
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{
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Eigen::VectorXf samplesITemp = samplesF * float(std::numeric_limits<qint8>::max());
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VectorXint8 samplesI = samplesITemp.cast<qint8>();
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesI.data()), int(samplesI.size()) * int(sizeof(qint8)));
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VectorXint16 samplesI = Eigen::Map<VectorXint16>(reinterpret_cast<qint16*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(qint16)));
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samplesF = samplesI.cast<float>() / float(std::numeric_limits<qint16>::max());
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}
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else if (setup.format.sampleType() == QAudioFormat::UnSignedInt && setup.format.sampleSize() == 8)
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else if (format.sampleType() == QAudioFormat::UnSignedInt && format.sampleSize() == 8)
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{
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Eigen::VectorXf samplesITemp = samplesF * float(std::numeric_limits<quint8>::max());
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VectorXuint8 samplesI = samplesITemp.cast<quint8>();
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesI.data()), int(samplesI.size()) * int(sizeof(quint8)));
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VectorXuint8 samplesI = Eigen::Map<VectorXuint8>(reinterpret_cast<quint8*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(quint8)));
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samplesF = samplesI.cast<float>() / float(std::numeric_limits<quint8>::max());;
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}
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else if (setup.format.sampleType() == QAudioFormat::SignedInt && setup.format.sampleSize() == 16)
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else if (format.sampleType() == QAudioFormat::SignedInt && format.sampleSize() == 8)
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{
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Eigen::VectorXf samplesITemp = samplesF * float(std::numeric_limits<qint16>::max());
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VectorXint16 samplesI = samplesITemp.cast<qint16>();
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesI.data()), int(samplesI.size()) * int(sizeof(qint16)));
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VectorXint8 samplesI = Eigen::Map<VectorXint8>(reinterpret_cast<qint8*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(qint8)));
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samplesF = samplesI.cast<float>() / float(std::numeric_limits<qint8>::max());;
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}
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else if (setup.format.sampleType() == QAudioFormat::SignedInt && setup.format.sampleSize() == 32)
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else if (format.sampleType() == QAudioFormat::Float)
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{
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Eigen::VectorXf samplesITemp = samplesF * float(std::numeric_limits<qint32>::max());
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VectorXint32 samplesI = samplesITemp.cast<qint32>();
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesI.data()), int(samplesI.size()) * int(sizeof(qint32)));
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}
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else if (setup.format.sampleType() == QAudioFormat::Float)
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{
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesF.data()), int(samplesF.size()) * int(sizeof(float)));
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samplesF = Eigen::Map<Eigen::VectorXf>(reinterpret_cast<float*>(livePacket.data.data()), livePacket.data.size() / int(sizeof(float)));
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}
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else {
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qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "Unsupported Sample Type:" << format.sampleType();
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qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "Unsupported Sample Type:" << format.sampleType() << format.sampleSize();
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}
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/* Need to find a floating point uLaw encoder!*/
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if (setup.ulaw)
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{
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QByteArray outPacket((int)livePacket.data.length() / 2, (char)0xff);
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qint16* in = (qint16*)livePacket.data.data();
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for (int f = 0; f < outPacket.length(); f++)
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/* samplesF is now an Eigen Vector of the current samples in float format */
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// Set the max amplitude found in the vector
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if (samplesF.size() > 0) {
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amplitude = samplesF.array().abs().maxCoeff();
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// Channel count should now match the device that audio is going to (rig)
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if (resampleRatio != 1.0) {
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// We need to resample
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// We have a stereo 16bit stream.
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quint32 outFrames = ((samplesF.size() / format.channelCount()) * resampleRatio);
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quint32 inFrames = (samplesF.size() / format.channelCount());
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QByteArray outPacket(outFrames * format.channelCount() * sizeof(float), (char)0xff); // Preset the output buffer size.
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const float* in = (float*)samplesF.data();
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float* out = (float*)outPacket.data();
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int err = 0;
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if (format.channelCount() == 1) {
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err = wf_resampler_process_float(resampler, 0, in, &inFrames, out, &outFrames);
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}
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else {
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err = wf_resampler_process_interleaved_float(resampler, in, &inFrames, out, &outFrames);
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}
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if (err) {
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qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "Resampler error " << err << " inFrames:" << inFrames << " outFrames:" << outFrames;
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}
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samplesF = Eigen::Map<Eigen::VectorXf>(reinterpret_cast<float*>(outPacket.data()), outPacket.size() / int(sizeof(float)));
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}
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// If we need to drop one of the audio channels, do it now
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if (format.channelCount() == 2 && setup.format.channelCount() == 1) {
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Eigen::VectorXf samplesTemp(samplesF.size() / 2);
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samplesTemp = Eigen::Map<Eigen::VectorXf, 0, Eigen::InnerStride<2> >(samplesF.data(), samplesF.size() / 2);
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samplesF = samplesTemp;
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}
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qInfo(logAudio()) << "Sending audio len" << livePacket.data.length() << "remaining" << tempBuf.data.length() << "resampled" << samplesF.size();
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if (setup.codec == 0x40 || setup.codec == 0x80)
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{
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qint16 sample = *in++;
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if (setup.ulaw) {
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int sign = (sample >> 8) & 0x80;
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if (sign)
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sample = (short)-sample;
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if (sample > cClip)
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sample = cClip;
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sample = (short)(sample + cBias);
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int exponent = (int)MuLawCompressTable[(sample >> 7) & 0xFF];
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int mantissa = (sample >> (exponent + 3)) & 0x0F;
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int compressedByte = ~(sign | (exponent << 4) | mantissa);
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outPacket[f] = (quint8)compressedByte;
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//Are we using the opus codec?
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float* in = (float*)samplesF.data();
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/* Encode the frame. */
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QByteArray outPacket(1275, (char)0xff); // Preset the output buffer size to MAXIMUM possible Opus frame size
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unsigned char* out = (unsigned char*)outPacket.data();
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int nbBytes = opus_encode_float(encoder, in, (samplesF.size() / setup.format.channelCount()), out, outPacket.length());
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if (nbBytes < 0)
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{
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qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "Opus encode failed:" << opus_strerror(nbBytes) << "Num Samples:" << samplesF.size();
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return;
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}
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else {
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outPacket.resize(nbBytes);
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samplesF = Eigen::Map<Eigen::VectorXf>(reinterpret_cast<float*>(outPacket.data()), outPacket.size() / int(sizeof(float)));
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}
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}
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livePacket.data.clear();
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livePacket.data = outPacket; // Copy output packet back to input buffer.
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}
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emit haveAudioData(livePacket);
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//ret = livePacket.data;
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}
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}
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emit haveLevels(getAmplitude(), setup.latency, currentLatency, isUnderrun);
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if (setup.format.sampleType() == QAudioFormat::SignedInt && setup.format.sampleSize() == 8)
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{
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Eigen::VectorXf samplesITemp = samplesF * float(std::numeric_limits<qint8>::max());
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VectorXint8 samplesI = samplesITemp.cast<qint8>();
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesI.data()), int(samplesI.size()) * int(sizeof(qint8)));
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}
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else if (setup.format.sampleType() == QAudioFormat::UnSignedInt && setup.format.sampleSize() == 8)
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{
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Eigen::VectorXf samplesITemp = samplesF * float(std::numeric_limits<quint8>::max());
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VectorXuint8 samplesI = samplesITemp.cast<quint8>();
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesI.data()), int(samplesI.size()) * int(sizeof(quint8)));
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}
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else if (setup.format.sampleType() == QAudioFormat::SignedInt && setup.format.sampleSize() == 16)
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{
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Eigen::VectorXf samplesITemp = samplesF * float(std::numeric_limits<qint16>::max());
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VectorXint16 samplesI = samplesITemp.cast<qint16>();
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesI.data()), int(samplesI.size()) * int(sizeof(qint16)));
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}
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else if (setup.format.sampleType() == QAudioFormat::SignedInt && setup.format.sampleSize() == 32)
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{
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Eigen::VectorXf samplesITemp = samplesF * float(std::numeric_limits<qint32>::max());
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VectorXint32 samplesI = samplesITemp.cast<qint32>();
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesI.data()), int(samplesI.size()) * int(sizeof(qint32)));
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}
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else if (setup.format.sampleType() == QAudioFormat::Float)
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{
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livePacket.data = QByteArray(reinterpret_cast<char*>(samplesF.data()), int(samplesF.size()) * int(sizeof(float)));
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}
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else {
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qInfo(logAudio()) << (setup.isinput ? "Input" : "Output") << "Unsupported Sample Type:" << format.sampleType();
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}
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/* Need to find a floating point uLaw encoder!*/
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if (setup.ulaw)
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{
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QByteArray outPacket((int)livePacket.data.length() / 2, (char)0xff);
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qint16* in = (qint16*)livePacket.data.data();
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for (int f = 0; f < outPacket.length(); f++)
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{
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qint16 sample = *in++;
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if (setup.ulaw) {
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int sign = (sample >> 8) & 0x80;
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if (sign)
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sample = (short)-sample;
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if (sample > cClip)
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sample = cClip;
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sample = (short)(sample + cBias);
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int exponent = (int)MuLawCompressTable[(sample >> 7) & 0xFF];
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int mantissa = (sample >> (exponent + 3)) & 0x0F;
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int compressedByte = ~(sign | (exponent << 4) | mantissa);
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outPacket[f] = (quint8)compressedByte;
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}
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}
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livePacket.data.clear();
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livePacket.data = outPacket; // Copy output packet back to input buffer.
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}
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emit haveAudioData(livePacket);
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//ret = livePacket.data;
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}
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}
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emit haveLevels(getAmplitude(), setup.latency, currentLatency, isUnderrun);
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}
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return;
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}
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