/*!
Returns the number of bytes required to represent one frame (a sample in each channel) in this format.
Returns 0 if this format is invalid.
*/
int QAudioFormat::bytesPerFrame() const
{
if (!isValid())
return 0;
return (sampleSize() * channelCount()) / 8;
}
void GameObjectAudioSourceComponentWidget::on_m_AudioSourceTree_itemSelectionChanged()
{
if (!m_IsReady)
{
return;
}
AudioSourceGOC* audioSourceGOC = GetAudioSourceGOC();
if (audioSourceGOC == nullptr)
{
return;
}
m_GameObjectAudioSourceComponentWidgetQtUI.m_NameAudioSourceTextBox->setText(QString::fromStdWString(audioSourceGOC->GetName()));
m_GameObjectAudioSourceComponentWidgetQtUI.m_AudioAssetTextBox->setText(QString::fromStdWString(audioSourceGOC->GetAudioName()));
AudioPlayer* player = audioSourceGOC->GetAudioPlayer();
m_GameObjectAudioSourceComponentWidgetQtUI.m_VolumeSB->setValue((double)player->GetVolume());
m_GameObjectAudioSourceComponentWidgetQtUI.m_MinimumDistanceSB->setValue((double)player->GetMinDistance());
m_GameObjectAudioSourceComponentWidgetQtUI.m_PitchSB->setValue((double)player->GetPitch());
m_GameObjectAudioSourceComponentWidgetQtUI.m_AttenuationSB->setValue((double)player->GetAttenuation());
m_GameObjectAudioSourceComponentWidgetQtUI.m_Is3DCheckBox->setChecked(player->Is3D());
m_GameObjectAudioSourceComponentWidgetQtUI.m_LoopCheckBox->setChecked(player->IsLooped());
QString channelCount(std::to_string(player->GetChannelCount()).c_str());
m_GameObjectAudioSourceComponentWidgetQtUI.m_ChannelCountLabelText->setText(channelCount);
QString sampleRate(std::to_string(player->GetSampleRate()).c_str());
m_GameObjectAudioSourceComponentWidgetQtUI.m_SampleRateLabelText->setText(sampleRate);
QString duration(std::to_string(player->GetDuration()).c_str());
m_GameObjectAudioSourceComponentWidgetQtUI.m_DurationLabelText->setText(duration);
}
static bool parseHeader(QTextStream &textStream, unsigned int &channels)
{
QRegExp header("^DynamicAudioNormalizer Logfile v(\\d).(\\d\\d)-(\\d)$");
QRegExp channelCount("^CHANNEL_COUNT:(\\d+)$");
QString headerLine = textStream.readLine();
if(header.indexIn(headerLine) < 0)
{
return false;
}
if(header.cap(1).toUInt() != 2)
{
return false;
}
QString channelLine = textStream.readLine();
if(channelCount.indexIn(channelLine) < 0)
{
return false;
}
bool ok = false;
channels = channelCount.cap(1).toUInt(&ok);
return ok && (channels > 0);
}
void DefaultAudioDestinationHandler::createDestination() {
float hardwareSampleRate = AudioDestination::hardwareSampleRate();
VLOG(1) << ">>>> hardwareSampleRate = " << hardwareSampleRate;
m_destination = AudioDestination::create(
*this, m_inputDeviceId, m_numberOfInputChannels, channelCount(),
hardwareSampleRate, context()->getSecurityOrigin());
}
int AudioTrack::frameSize() const
{
if (audio_is_linear_pcm(mFormat)) {
return channelCount()*audio_bytes_per_sample(mFormat);
} else {
return sizeof(uint8_t);
}
}
int AudioTrack::frameSize() const
{
if (AudioSystem::isLinearPCM(mFormat)) {
return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t));
} else {
return sizeof(uint8_t);
}
}
size_t AudioRecord::frameSize() const
{
if (inputSource() == AUDIO_SOURCE_VOICE_COMMUNICATION) {
if (audio_is_linear_pcm(mFormat)) {
return channelCount()*audio_bytes_per_sample(mFormat);
} else {
return channelCount()*sizeof(int16_t);
}
} else {
if (format() ==AUDIO_FORMAT_AMR_NB) {
return channelCount() * AMR_FRAMESIZE; // Full rate framesize
} else if (format() == AUDIO_FORMAT_EVRC) {
return channelCount() * EVRC_FRAMESIZE; // Full rate framesize
} else if (format() == AUDIO_FORMAT_QCELP) {
return channelCount() * QCELP_FRAMESIZE; // Full rate framesize
} else if (format() == AUDIO_FORMAT_AAC) {
// Not actual framsize but for variable frame rate AAC encoding,
// buffer size is treated as a frame size
return AAC_FRAMESIZE;
} else if(format() == AUDIO_FORMAT_AMR_WB) {
return channelCount() * AMR_WB_FRAMESIZE;
}
if (audio_is_linear_pcm(mFormat)) {
return channelCount()*audio_bytes_per_sample(mFormat);
} else {
return sizeof(uint8_t);
}
}
}
status_t A2dpAudioInterface::A2dpAudioStreamOut::set(
int format, int channels, uint32_t rate)
{
LOGD("A2dpAudioStreamOut::set %d, %d, %d\n", format, channels, rate);
// fix up defaults
if (format == 0) format = AudioSystem::PCM_16_BIT;
if (channels == 0) channels = channelCount();
if (rate == 0) rate = sampleRate();
// check values
if ((format != AudioSystem::PCM_16_BIT) ||
(channels != channelCount()) ||
(rate != sampleRate()))
return BAD_VALUE;
return NO_ERROR;
}
status_t AudioStreamOutGeneric::set(
AudioHardwareGeneric *hw,
int fd,
int format,
int channels,
uint32_t rate)
{
// fix up defaults
if (format == 0) format = AudioSystem::PCM_16_BIT;
if (channels == 0) channels = channelCount();
if (rate == 0) rate = sampleRate();
// check values
if ((format != AudioSystem::PCM_16_BIT) ||
(channels != channelCount()) ||
(rate != sampleRate()))
return BAD_VALUE;
mAudioHardware = hw;
mFd = fd;
return NO_ERROR;
}
void SoundSourceFLAC::flacMetadata(const FLAC__StreamMetadata* metadata) {
// https://xiph.org/flac/api/group__flac__stream__decoder.html#ga43e2329c15731c002ac4182a47990f85
// "...one STREAMINFO block, followed by zero or more other metadata blocks."
// "...by default the decoder only calls the metadata callback for the STREAMINFO block..."
// "...always before the first audio frame (i.e. write callback)."
switch (metadata->type) {
case FLAC__METADATA_TYPE_STREAMINFO: {
setChannelCount(metadata->data.stream_info.channels);
setSampleRate(metadata->data.stream_info.sample_rate);
initFrameIndexRangeOnce(
IndexRange::forward(
0,
metadata->data.stream_info.total_samples));
const unsigned bitsPerSample = metadata->data.stream_info.bits_per_sample;
DEBUG_ASSERT(kBitsPerSampleDefault != bitsPerSample);
if (kBitsPerSampleDefault == m_bitsPerSample) {
// not set before
if ((bitsPerSample >= 4) && (bitsPerSample <= 32)) {
m_bitsPerSample = bitsPerSample;
} else {
kLogger.warning()
<< "Invalid bits per sample:"
<< bitsPerSample;
}
} else {
// already set before -> check for consistency
if (bitsPerSample != m_bitsPerSample) {
kLogger.warning()
<< "Unexpected bits per sample:"
<< bitsPerSample << " <> " << m_bitsPerSample;
}
}
m_maxBlocksize = metadata->data.stream_info.max_blocksize;
if (0 >= m_maxBlocksize) {
kLogger.warning()
<< "Invalid max. blocksize" << m_maxBlocksize;
}
const SINT sampleBufferCapacity =
m_maxBlocksize * channelCount();
if (m_sampleBuffer.capacity() < sampleBufferCapacity) {
m_sampleBuffer.adjustCapacity(sampleBufferCapacity);
}
break;
}
default:
// Ignore all other metadata types
break;
}
}
TranscodeProcess *DlnaYouTubeVideo::getTranscodeProcess()
{
FfmpegTranscoding* transcodeProcess = new FfmpegTranscoding(log());
transcodeProcess->setUrl(m_streamUrl);
transcodeProcess->setLengthInSeconds(getLengthInSeconds());
transcodeProcess->setFormat(transcodeFormat);
transcodeProcess->setBitrate(bitrate());
transcodeProcess->setAudioLanguages(audioLanguages());
transcodeProcess->setSubtitleLanguages(subtitleLanguages());
transcodeProcess->setFrameRate(framerate());
transcodeProcess->setAudioChannelCount(channelCount());
transcodeProcess->setAudioSampleRate(samplerate());
return transcodeProcess;
}
void AudioResampleImpl::splitAudioData(AudioData & data, boost::scoped_array<char*> & split) const
{
auto dataFormat = data.format();
if (dataFormat.isPlanar())
{
/// Для планарного формата необходимо представить данные из result
const int numChannels = dataFormat.channelCount();
split.reset(new char*[numChannels]);
split_ref(data.begin(), data.end(), data.numBytes() / numChannels, split.get());
}
else
{
/// Interleaved данные помещаются в один массив
split.reset(new char*[1]);
split[0] = data.data();
}
}
QString LabU16ColorSpace::normalisedChannelValueText(const quint8 *pixel, quint32 channelIndex) const
{
const KoLabU16Traits::channels_type *pix = reinterpret_cast<const KoLabU16Traits::channels_type *>(pixel);
Q_ASSERT(channelIndex < channelCount());
// These convert from lcms encoded format to standard ranges.
switch (channelIndex) {
case 0:
return QString().setNum(100.0 * static_cast<float>(pix[0]) / MAX_CHANNEL_L);
case 1:
return QString().setNum(100.0 * ((static_cast<float>(pix[1]) - CHANNEL_AB_ZERO_OFFSET) / MAX_CHANNEL_AB));
case 2:
return QString().setNum(100.0 * ((static_cast<float>(pix[2]) - CHANNEL_AB_ZERO_OFFSET) / MAX_CHANNEL_AB));
case 3:
return QString().setNum(100.0 * static_cast<float>(pix[3]) / UINT16_MAX);
default:
return QString("Error");
}
}
// record functions
status_t AudioStreamInGeneric::set(
AudioHardwareGeneric *hw,
int fd,
int format,
int channels,
uint32_t rate)
{
// FIXME: remove logging
LOGD("AudioStreamInGeneric::set(%p, %d, %d, %d, %u)", hw, fd, format, channels, rate);
// check values
if ((format != AudioSystem::PCM_16_BIT) ||
(channels != channelCount()) ||
(rate != sampleRate())) {
LOGE("Error opening input channel");
return BAD_VALUE;
}
mAudioHardware = hw;
mFd = fd;
return NO_ERROR;
}
status_t AudioStreamInGeneric::dump(int fd, const Vector<String16>& args)
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
snprintf(buffer, SIZE, "AudioStreamInGeneric::dump\n");
result.append(buffer);
snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
result.append(buffer);
snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
result.append(buffer);
snprintf(buffer, SIZE, "\tchannel count: %d\n", channelCount());
result.append(buffer);
snprintf(buffer, SIZE, "\tformat: %d\n", format());
result.append(buffer);
snprintf(buffer, SIZE, "\tmAudioHardware: %p\n", mAudioHardware);
result.append(buffer);
snprintf(buffer, SIZE, "\tmFd: %d\n", mFd);
result.append(buffer);
::write(fd, result.string(), result.size());
return NO_ERROR;
}
/*
* Returns XML (DIDL) representation of the DLNA node. It gives a
* complete representation of the item, with as many tags as available.
*
* Reference: http://www.upnp.org/specs/av/UPnP-av-ContentDirectory-v1-Service.pdf
*/
QDomElement DlnaVideoItem::getXmlContentDirectory(QDomDocument *xml, QStringList properties) const {
if (!xml)
return QDomElement();
QDomElement xml_obj = xml->createElement("item");
updateXmlContentDirectory(xml, &xml_obj, properties);
// properties optional of videoItem
if (properties.contains("*") or properties.contains("upnp:genre")) {
QDomElement upnpGenre = xml->createElement("upnp:genre");
upnpGenre.appendChild(xml->createTextNode(metaDataGenre()));
xml_obj.appendChild(upnpGenre);
}
if (properties.contains("*") or properties.contains("upnp:longDescription")) {
}
if (properties.contains("*") or properties.contains("upnp:producer")) {
}
if (properties.contains("*") or properties.contains("upnp:rating")) {
}
if (properties.contains("*") or properties.contains("upnp:actor")) {
}
if (properties.contains("*") or properties.contains("upnp:director")) {
}
if (properties.contains("*") or properties.contains("dc:description")) {
}
if (properties.contains("*") or properties.contains("dc:publisher")) {
}
if (properties.contains("*") or properties.contains("dc:language")) {
}
if (properties.contains("*") or properties.contains("dc:relation")) {
}
// add <res> element
QTime duration(0, 0, 0);
QDomElement res = xml->createElement("res");
res.setAttribute("xmlns:dlna", "urn:schemas-dlna-org:metadata-1-0/");
// mandatory properties: protocolInfo
res.setAttribute("protocolInfo", getProtocolInfo());
// optional properties
if ((properties.contains("*") or properties.contains("res@bitrate")) and bitrate() != -1) {
// bitrate in bytes/sec
res.setAttribute("bitrate", QString("%1").arg(qRound(double(bitrate())/8.0)));
}
if (properties.contains("*") or properties.contains("res@resolution")) {
res.setAttribute("resolution", resolution());
}
if (properties.contains("*") or properties.contains("res@duration")) {
res.setAttribute("duration", QString("%1").arg(duration.addSecs(getLengthInSeconds()).toString("hh:mm:ss")));
}
if (properties.contains("*") or properties.contains("res@sampleFrequency")) {
res.setAttribute("sampleFrequency", QString("%1").arg(samplerate()));
}
if (properties.contains("*") or properties.contains("res@nrAudioChannels")) {
res.setAttribute("nrAudioChannels", QString("%1").arg(channelCount()));
}
if ((properties.contains("*") or properties.contains("res@size")) and size() != -1) {
// size in bytes
res.setAttribute("size", QString("%1").arg(size()));
}
res.appendChild(xml->createTextNode(QString("http://%2:%3/get/%1/%4").arg(getResourceId()).arg(host).arg(port).arg(getName().toUtf8().toPercentEncoding().constData())));
xml_obj.appendChild(res);
return xml_obj;
}
void DefaultAudioDestinationNode::createDestination()
{
float hardwareSampleRate = AudioDestination::hardwareSampleRate();
LOG("Hardware Samplerate: %f", hardwareSampleRate);
m_destination = std::unique_ptr<AudioDestination>(AudioDestination::MakePlatformAudioDestination(*this, channelCount(), hardwareSampleRate));
}
ReadableSampleFrames SoundSourceOggVorbis::readSampleFramesClamped(
WritableSampleFrames writableSampleFrames) {
const SINT firstFrameIndex = writableSampleFrames.frameIndexRange().start();
if (m_curFrameIndex != firstFrameIndex) {
const int seekResult = ov_pcm_seek(&m_vf, firstFrameIndex);
if (seekResult == 0) {
m_curFrameIndex = firstFrameIndex;
} else {
kLogger.warning() << "Failed to seek file:" << seekResult;
const ogg_int64_t pcmOffset = ov_pcm_tell(&m_vf);
if (0 <= pcmOffset) {
m_curFrameIndex = pcmOffset;
} else {
// Reset to EOF
m_curFrameIndex = frameIndexMax();
}
// Abort
return ReadableSampleFrames(
IndexRange::between(
m_curFrameIndex,
m_curFrameIndex));
}
}
DEBUG_ASSERT(m_curFrameIndex == firstFrameIndex);
const SINT numberOfFramesTotal = writableSampleFrames.frameLength();
CSAMPLE* pSampleBuffer = writableSampleFrames.writableData();
SINT numberOfFramesRemaining = numberOfFramesTotal;
while (0 < numberOfFramesRemaining) {
float** pcmChannels;
int currentSection;
// Use 'long' here, because ov_read_float() returns this type.
// This is an exception from the rule not to any types with
// differing sizes on different platforms.
// https://bugs.launchpad.net/mixxx/+bug/1094143
const long readResult = ov_read_float(&m_vf, &pcmChannels,
numberOfFramesRemaining, ¤tSection);
if (0 < readResult) {
m_curFrameIndex += readResult;
if (pSampleBuffer) {
switch (channelCount()) {
case 1:
for (long i = 0; i < readResult; ++i) {
*pSampleBuffer++ = pcmChannels[0][i];
}
break;
case 2:
for (long i = 0; i < readResult; ++i) {
*pSampleBuffer++ = pcmChannels[0][i];
*pSampleBuffer++ = pcmChannels[1][i];
}
break;
default:
for (long i = 0; i < readResult; ++i) {
for (SINT j = 0; j < channelCount(); ++j) {
*pSampleBuffer++ = pcmChannels[j][i];
}
}
}
}
numberOfFramesRemaining -= readResult;
} else {
kLogger.warning() << "Failed to read from file:" << readResult;
break; // abort
}
}
DEBUG_ASSERT(isValidFrameIndex(m_curFrameIndex));
DEBUG_ASSERT(numberOfFramesTotal >= numberOfFramesRemaining);
const SINT numberOfFrames = numberOfFramesTotal - numberOfFramesRemaining;
return ReadableSampleFrames(
IndexRange::forward(firstFrameIndex, numberOfFrames),
SampleBuffer::ReadableSlice(
writableSampleFrames.writableData(),
std::min(writableSampleFrames.writableLength(), frames2samples(numberOfFrames))));
}
MsgPacket* ChannelController::processGetChannels(MsgPacket* request) {
ChannelCache& channelCache = ChannelCache::instance();
isyslog("Fetching channels ...");
int type = request->get_U32();
isyslog("Type: %s",
type == 0 ? "MPEG2/H.264 channels" :
type == 1 ? "radio channels" :
type == 2 ? "H.264 channels" :
"UNDEFINED"
);
//
// PROTOCOL 7 - CLIENT MUST SEND THIS
//
const char* language = request->get_String();
// do we want fta channels ?
m_wantFta = request->get_U32();
isyslog("Free To Air channels: %s", m_wantFta ? "Yes" : "No");
// display only channels with native language audio ?
m_filterLanguage = request->get_U32();
isyslog("Only native language: %s", m_filterLanguage ? "Yes" : "No");
// read caids
m_caids.clear();
uint32_t count = request->get_U32();
isyslog("Enabled CaIDs: ");
// sanity check (maximum of 20 caids)
if(count < 20) {
for(uint32_t i = 0; i < count; i++) {
int caid = request->get_U32();
m_caids.push_back(caid);
isyslog("%04X", caid);
}
}
m_languageIndex = I18nLanguageIndex(language);
m_channelCount = channelCount();
MsgPacket* response = createResponse(request);
std::string groupName;
LOCK_CHANNELS_READ;
for(const cChannel* channel = Channels->First(); channel; channel = Channels->Next(channel)) {
if(channel->GroupSep()) {
groupName = m_toUtf8.convert(channel->Name());
continue;
}
// skip disabled channels if filtering is enabled
if(!channelCache.isEnabled(channel)) {
continue;
}
if(!isChannelWanted(channel, type)) {
continue;
}
addChannelToPacket(channel, response, groupName.c_str());
}
isyslog("client got %i channels", m_channelCount);
return response;
}
FLAC__StreamDecoderWriteStatus SoundSourceFLAC::flacWrite(
const FLAC__Frame* frame, const FLAC__int32* const buffer[]) {
const SINT numChannels = frame->header.channels;
if (channelCount() > numChannels) {
kLogger.warning()
<< "Corrupt or unsupported FLAC file:"
<< "Invalid number of channels in FLAC frame header"
<< frame->header.channels << "<>" << channelCount();
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
if (sampleRate() != SINT(frame->header.sample_rate)) {
kLogger.warning()
<< "Corrupt or unsupported FLAC file:"
<< "Invalid sample rate in FLAC frame header"
<< frame->header.sample_rate << "<>" << sampleRate();
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
const SINT numReadableFrames = frame->header.blocksize;
if (numReadableFrames > m_maxBlocksize) {
kLogger.warning()
<< "Corrupt or unsupported FLAC file:"
<< "Block size in FLAC frame header exceeds the maximum block size"
<< frame->header.blocksize << ">" << m_maxBlocksize;
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
// According to the API docs the decoder will always report the current
// position in "FLAC samples" (= "Mixxx frames") for convenience
DEBUG_ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
m_curFrameIndex = frame->header.number.sample_number;
// Decode buffer should be empty before decoding the next frame
DEBUG_ASSERT(m_sampleBuffer.empty());
const SampleBuffer::WritableSlice writableSlice(
m_sampleBuffer.growForWriting(frames2samples(numReadableFrames)));
const SINT numWritableFrames = samples2frames(writableSlice.length());
DEBUG_ASSERT(numWritableFrames <= numReadableFrames);
if (numWritableFrames < numReadableFrames) {
kLogger.warning()
<< "Sample buffer has not enough free space for all decoded FLAC samples:"
<< numWritableFrames << "<" << numReadableFrames;
}
CSAMPLE* pSampleBuffer = writableSlice.data();
DEBUG_ASSERT(channelCount() <= numChannels);
switch (channelCount()) {
case 1: {
// optimized code for 1 channel (mono)
for (SINT i = 0; i < numWritableFrames; ++i) {
*pSampleBuffer++ = convertDecodedSample(buffer[0][i], m_bitsPerSample);
}
break;
}
case 2: {
// optimized code for 2 channels (stereo)
for (SINT i = 0; i < numWritableFrames; ++i) {
*pSampleBuffer++ = convertDecodedSample(buffer[0][i], m_bitsPerSample);
*pSampleBuffer++ = convertDecodedSample(buffer[1][i], m_bitsPerSample);
}
break;
}
default: {
// generic code for multiple channels
for (SINT i = 0; i < numWritableFrames; ++i) {
for (SINT j = 0; j < channelCount(); ++j) {
*pSampleBuffer++ = convertDecodedSample(buffer[j][i], m_bitsPerSample);
}
}
}
}
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
}
/*! @return The size, in bytes, of a pixel in this pixel format.
*/
size_t size() const { return channelSize() * channelCount(); }
int AudioRecord::frameSize() const
{
return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t));
}
