static void updateHeight(TLDNode *node)
{
if (node != NULL)
{
if (node->left != NULL && node->right != NULL)
node->height = math_max(node->left->height, node->right->height) + 1;
else if (node->left != NULL)
node->height = math_max(node->left->height, 0) + 1;
else if (node->right != NULL)
node->height = math_max(0, node->right->height) + 1;
else
node->height = 1;
updateHeight(node->parent);
}
}
void DlgPrefEQ::validate_levels() {
m_highEqFreq = math_max(math_min(m_highEqFreq, kFrequencyUpperLimit),
kFrequencyLowerLimit);
m_lowEqFreq = math_max(math_min(m_lowEqFreq, kFrequencyUpperLimit),
kFrequencyLowerLimit);
if (m_lowEqFreq == m_highEqFreq) {
if (m_lowEqFreq == kFrequencyLowerLimit) {
++m_highEqFreq;
} else if (m_highEqFreq == kFrequencyUpperLimit) {
--m_lowEqFreq;
} else {
++m_highEqFreq;
}
}
}
void BpmControl::slotAdjustBeatsSlower(double v) {
BeatsPointer pBeats = m_pBeats;
if (v > 0 && pBeats && (pBeats->getCapabilities() & Beats::BEATSCAP_SETBPM)) {
double new_bpm = math_max(10.0, pBeats->getBpm() - .01);
pBeats->setBpm(new_bpm);
}
}
void WaveformWidgetFactory::setFrameRate(int frameRate) {
m_frameRate = math_min(120, math_max(1, frameRate));
if (m_config) {
m_config->set(ConfigKey("[Waveform]","FrameRate"), ConfigValue(m_frameRate));
}
m_vsyncThread->setUsSyncIntervalTime(1e6 / m_frameRate);
}
/*-------------------------------------------------------------------------*
* PL_FD_TELL_INTERV_INTERV *
* *
*-------------------------------------------------------------------------*/
Bool
Pl_Fd_Tell_Interv_Interv(WamWord *fdv_adr, int min, int max)
{
int nb_elem;
int propag;
int min1, max1;
min1 = Min(fdv_adr);
max1 = Max(fdv_adr);
min = math_max(min, min1);
max = math_min(max, max1);
if (min > max) /* detects also if the initial */
return FALSE; /* interval (min, max) was empty */
if (min == max)
Update_Range_From_Int(fdv_adr, min, propag);
else
{
nb_elem = max - min + 1;
Update_Interval_From_Interval(fdv_adr, nb_elem, min, max, propag);
}
if (propag)
All_Propagations(fdv_adr, propag);
return TRUE;
}
extracted_components *extract_partitions(cog *c, long low, long high) {
double_struct *ret_struct;
ret_struct = amerge(c, low, high);
c = ret_struct->cog;
iter_cleanup(ret_struct->iter);
free(ret_struct);
extracted_components *ret;
if(c->type == COG_BTREE) {
if(c->data.btree.sep <= low) {
ret = extract_partitions(c->data.btree.rhs, low, high);
ret->lhs = ret->lhs == NULL ? c->data.btree.lhs : make_btree(c->data.btree.lhs, ret->lhs, c->data.btree.sep);
} else if(c->data.btree.sep >= high) {
ret = extract_partitions(c->data.btree.lhs, low, high);
ret->rhs = ret->rhs == NULL ? c->data.btree.rhs : make_btree(ret->rhs, c->data.btree.rhs, c->data.btree.sep);
} else {
ret = extract_partitions(c->data.btree.lhs, low, c->data.btree.sep);
struct extracted_components *ret2 = extract_partitions(c->data.btree.rhs, c->data.btree.sep, high);
ret->rhs = ret2->rhs;
if(ret->iter == NULL) {
ret->iter = ret2->iter;
ret->low_key = ret2->low_key;
ret->high_key = ret2->high_key;
} else if(ret2->iter != NULL) {
ret->iter = iter_concat(ret->iter, ret2->iter);
ret->low_key = math_min(ret->low_key, ret2->low_key);
ret->high_key = math_max(ret->high_key, ret2->high_key);
}
}
return ret;
} else if(c->type == COG_SORTEDARRAY) {
int start = c->data.sortedarray.start;
int len = c->data.sortedarray.len;
buffer b = c->data.sortedarray.records;
int low_index = record_binarysearch(b->data, low, start, len);
int high_index = record_binarysearch(b->data, high, start, len);
while((low_index < high_index) && (b->data[low_index].key < low)) {
low_index++;
}
while((low_index-1 >= start) && (b->data[low_index-1].key >= low)) {
low_index--;
}
while((high_index < (start+len)) && (b->data[high_index].key <= high)) {
high_index++;
}
cog *lhs = low_index > start ? make_sortedarray(start, low_index - start, b) : NULL;
cog *rhs = high_index < (start+len) ? make_sortedarray(high_index, start + len - high_index, b) : NULL;
iterator iter = low_index < high_index ? scan(c, low, high) : NULL;
long low_key = iter == NULL ? MAX_VALUE : buffer_key(b, low_index);
long high_key = iter == NULL ? MIN_VALUE : buffer_key(b, high_index - 1);
return make_extracted_components(lhs, rhs, low_key, high_key, iter);
} else {
return NULL;
}
}
double ControlLinPotmeterBehavior::valueToMidiParameter(double dValue) {
// 7-bit MIDI has 128 values [0, 127]. This means there is no such thing as
// center. The industry convention is that 64 is center. We fake things a
// little bit here to make that the case. This function is linear from [0,
// 127.0/128.0] with slope 128 and then cuts off at 127 from 127.0/128.0 to
// 1.0. from 0 to 64 with slope 128 and from 64 to 127 with slope 126.
double dNorm = valueToParameter(dValue);
return math_max(127.0, dNorm * 128.0);
}
void ReadAheadSampleBuffer::adjustCapacity(SINT capacity) {
DEBUG_ASSERT_CLASS_INVARIANT_ReadAheadSampleBuffer;
SINT newCapacity = math_max(readableLength(), capacity);
if (newCapacity != this->capacity()) {
ReadAheadSampleBuffer tmp(*this, newCapacity);
swap(tmp);
}
DEBUG_ASSERT_CLASS_INVARIANT_ReadAheadSampleBuffer;
}
void WaveformWidgetFactory::setDefaultZoom(int zoom) {
m_defaultZoom = math_max(WaveformWidgetRenderer::s_waveformMinZoom,
math_min(zoom, WaveformWidgetRenderer::s_waveformMaxZoom));
if (m_config) {
m_config->set(ConfigKey("[Waveform]","DefaultZoom"), ConfigValue(m_defaultZoom));
}
for (int i = 0; i < m_waveformWidgetHolders.size(); i++) {
m_waveformWidgetHolders[i].m_waveformViewer->setZoom(m_defaultZoom);
}
}
void TrackInfoObject::setPlayedAndUpdatePlaycount(bool bPlayed) {
QMutexLocker lock(&m_qMutex);
if (bPlayed) {
++m_iTimesPlayed;
setDirty(true);
}
else if (m_bPlayed && !bPlayed) {
m_iTimesPlayed = math_max(0, m_iTimesPlayed - 1);
setDirty(true);
}
m_bPlayed = bPlayed;
}
void EffectButtonParameterSlot::loadEffect(EffectPointer pEffect) {
//qDebug() << debugString() << "loadEffect" << (pEffect ? pEffect->getManifest().name() : "(null)");
if (m_pEffectParameter) {
clear();
}
if (pEffect) {
m_pEffect = pEffect;
// Returns null if it doesn't have a parameter for that number
m_pEffectParameter = pEffect->getButtonParameterForSlot(m_iParameterSlotNumber);
if (m_pEffectParameter) {
// Set the number of states
int numStates = math_max(m_pEffectParameter->manifest()->getSteps().size(), 2);
m_pControlValue->setStates(numStates);
//qDebug() << debugString() << "Loading effect parameter" << m_pEffectParameter->name();
double dValue = m_pEffectParameter->getValue();
double dMinimum = m_pEffectParameter->getMinimum();
double dMinimumLimit = dMinimum; // TODO(rryan) expose limit from EffectParameter
double dMaximum = m_pEffectParameter->getMaximum();
double dMaximumLimit = dMaximum; // TODO(rryan) expose limit from EffectParameter
double dDefault = m_pEffectParameter->getDefault();
if (dValue > dMaximum || dValue < dMinimum ||
dMinimum < dMinimumLimit || dMaximum > dMaximumLimit ||
dDefault > dMaximum || dDefault < dMinimum) {
qWarning() << debugString() << "WARNING: EffectParameter does not satisfy basic sanity checks.";
}
// qDebug() << debugString()
// << QString("Val: %1 Min: %2 MinLimit: %3 Max: %4 MaxLimit: %5 Default: %6")
// .arg(dValue).arg(dMinimum).arg(dMinimumLimit).arg(dMaximum).arg(dMaximumLimit).arg(dDefault);
m_pControlValue->set(dValue);
m_pControlValue->setDefaultValue(dDefault);
EffectManifestParameter::ControlHint type = m_pEffectParameter->getControlHint();
// TODO(rryan) expose this from EffectParameter
m_pControlType->forceSet(static_cast<double>(type));
// Default loaded parameters to loaded and unlinked
m_pControlLoaded->forceSet(1.0);
connect(m_pEffectParameter, SIGNAL(valueChanged(double)),
this, SLOT(slotParameterValueChanged(double)));
}
}
emit(updated());
}
void WWaveformViewer::mouseMoveEvent(QMouseEvent* event) {
// Only send signals for mouse moving if the left button is pressed
if (m_bScratching && m_waveformWidget) {
// Adjusts for one-to-one movement.
double audioSamplePerPixel = m_waveformWidget->getAudioSamplePerPixel();
double targetPosition = -1.0 * event->pos().x() * audioSamplePerPixel * 2;
//qDebug() << "Target:" << targetPosition;
m_pScratchPosition->slotSet(targetPosition);
} else if (m_bBending) {
QPoint diff = event->pos() - m_mouseAnchor;
// start at the middle of 0-127, and emit values based on
// how far the mouse has traveled horizontally
double v = 64.0 + diff.x()/10.0f;
// clamp to [0, 127]
v = math_min(127.0, math_max(0.0, v));
emit(valueChangedRightDown(v));
}
}
void updatePlayedAndVerify(PlayCounter* pPlayCounter, bool bPlayed) {
bool isPlayedBefore = pPlayCounter->isPlayed();
int timesPlayedBefore = pPlayCounter->getTimesPlayed();
pPlayCounter->setPlayedAndUpdateTimesPlayed(bPlayed);
bool isPlayedAfter = pPlayCounter->isPlayed();
int timesPlayedAfter = pPlayCounter->getTimesPlayed();
if (bPlayed) {
EXPECT_TRUE(isPlayedAfter);
EXPECT_EQ(timesPlayedBefore + 1, timesPlayedAfter);
} else {
EXPECT_FALSE(isPlayedAfter);
if (isPlayedBefore) {
EXPECT_EQ(math_max(0, timesPlayedBefore - 1), timesPlayedAfter);
} else {
EXPECT_EQ(timesPlayedBefore, timesPlayedAfter);
}
}
}
void CRenderer::MeasureText( const MGuiRendFont* fnt, const char_t* text, uint32* x_out, uint32* y_out )
{
float x, y, xout;
float tmp1, tmp2;
uint32 c;
register const char_t* s;
const CFont* font = (const CFont*)fnt;
if ( font == NULL || text == NULL )
{
*x_out = 1;
*y_out = 1;
return;
}
x = xout = 0;
y = (float)font->size;
for ( s = text; *s; s++ )
{
c = *(uchar_t*)s;
if ( c < font->first_char || c > font->last_char )
{
continue;
}
else
{
c -= font->first_char;
tmp1 = font->texCoords[c][0];
tmp2 = font->texCoords[c][2];
x += ( tmp2 - tmp1 ) * font->width - 2 * font->spacing;
}
}
xout = math_max( xout, x );
*x_out = (uint32)xout;
*y_out = (uint32)y;
}
void WaveformWidgetRenderer::draw(QPainter* painter, QPaintEvent* event) {
#ifdef WAVEFORMWIDGETRENDERER_DEBUG
m_lastSystemFrameTime = m_timer->restart().toIntegerNanos();
#endif
//PerformanceTimer timer;
//timer.start();
// not ready to display need to wait until track initialization is done
// draw only first is stack (background)
int stackSize = m_rendererStack.size();
if (m_trackSamples <= 0.0 || m_playPos == -1) {
if (stackSize) {
m_rendererStack.at(0)->draw(painter, event);
}
return;
} else {
for (int i = 0; i < stackSize; i++) {
// qDebug() << i << " a " << timer.restart().formatNanosWithUnit();
m_rendererStack.at(i)->draw(painter, event);
// qDebug() << i << " e " << timer.restart().formatNanosWithUnit();
}
painter->setPen(m_colors.getPlayPosColor());
painter->drawLine(m_width/2,0,m_width/2,m_height);
painter->setOpacity(0.5);
painter->setPen(m_colors.getBgColor());
painter->drawLine(m_width/2 + 1,0,m_width/2 + 1,m_height);
painter->drawLine(m_width/2 - 1,0,m_width/2 - 1,m_height);
}
#ifdef WAVEFORMWIDGETRENDERER_DEBUG
int systemMax = -1;
int frameMax = -1;
for (int i = 0; i < 100; ++i) {
frameMax = math_max(frameMax, m_lastFramesTime[i]);
systemMax = math_max(systemMax, m_lastSystemFramesTime[i]);
}
//hud debug display
painter->drawText(1,12,
QString::number(m_lastFrameTime).rightJustified(2,'0') + "(" +
QString::number(frameMax).rightJustified(2,'0') + ")" +
QString::number(m_lastSystemFrameTime) + "(" +
QString::number(systemMax) + ")" +
QString::number(realtimeError));
painter->drawText(1,m_height-1,
QString::number(m_playPos) + " [" +
QString::number(m_firstDisplayedPosition) + "-" +
QString::number(m_lastDisplayedPosition) + "]" +
QString::number(m_rate) + " | " +
QString::number(m_gain) + " | " +
QString::number(m_rateDir) + " | " +
QString::number(m_zoomFactor));
m_lastFrameTime = m_timer->restart().toIntegerNanos();
++currentFrame;
currentFrame = currentFrame%100;
m_lastSystemFramesTime[currentFrame] = m_lastSystemFrameTime;
m_lastFramesTime[currentFrame] = m_lastFrameTime;
#endif
//qDebug() << "draw() ende" << timer.restart().formatNanosWithUnit();
}
SoundSource::OpenResult SoundSourceMp3::tryOpen(const AudioSourceConfig& /*audioSrcCfg*/) {
DEBUG_ASSERT(!hasValidChannelCount());
DEBUG_ASSERT(!hasValidSamplingRate());
DEBUG_ASSERT(!m_file.isOpen());
if (!m_file.open(QIODevice::ReadOnly)) {
qWarning() << "Failed to open file:" << m_file.fileName();
return OpenResult::FAILED;
}
// Get a pointer to the file using memory mapped IO
m_fileSize = m_file.size();
m_pFileData = m_file.map(0, m_fileSize);
// NOTE(uklotzde): If the file disappears unexpectedly while mapped
// a SIGBUS error might occur that is not handled and will terminate
// Mixxx immediately. This behavior is documented in the manpage of
// mmap(). It has already appeared due to hardware errors and is
// described in the following bug report:
// https://bugs.launchpad.net/mixxx/+bug/1452005
// Transfer it to the mad stream-buffer:
mad_stream_options(&m_madStream, MAD_OPTION_IGNORECRC);
mad_stream_buffer(&m_madStream, m_pFileData, m_fileSize);
DEBUG_ASSERT(m_pFileData == m_madStream.this_frame);
DEBUG_ASSERT(m_seekFrameList.empty());
m_avgSeekFrameCount = 0;
m_curFrameIndex = getMinFrameIndex();
int headerPerSamplingRate[kSamplingRateCount];
for (int i = 0; i < kSamplingRateCount; ++i) {
headerPerSamplingRate[i] = 0;
}
// Decode all the headers and calculate audio properties
unsigned long sumBitrate = 0;
mad_header madHeader;
mad_header_init(&madHeader);
SINT maxChannelCount = getChannelCount();
do {
if (!decodeFrameHeader(&madHeader, &m_madStream, true)) {
if (isStreamValid(m_madStream)) {
// Skip frame
continue;
} else {
// Abort decoding
break;
}
}
// Grab data from madHeader
const unsigned int madSampleRate = madHeader.samplerate;
// TODO(XXX): Replace DEBUG_ASSERT with static_assert
// MAD must not change its enum values!
DEBUG_ASSERT(MAD_UNITS_8000_HZ == 8000);
const mad_units madUnits = static_cast<mad_units>(madSampleRate);
const long madFrameLength = mad_timer_count(madHeader.duration, madUnits);
if (0 >= madFrameLength) {
qWarning() << "Skipping MP3 frame with invalid length"
<< madFrameLength
<< "in:" << m_file.fileName();
// Skip frame
continue;
}
const SINT madChannelCount = MAD_NCHANNELS(&madHeader);
if (isValidChannelCount(maxChannelCount) && (madChannelCount != maxChannelCount)) {
qWarning() << "Differing number of channels"
<< madChannelCount << "<>" << maxChannelCount
<< "in some MP3 frame headers:"
<< m_file.fileName();
}
maxChannelCount = math_max(madChannelCount, maxChannelCount);
const int samplingRateIndex = getIndexBySamplingRate(madSampleRate);
if (samplingRateIndex >= kSamplingRateCount) {
qWarning() << "Invalid sample rate:" << m_file.fileName()
<< madSampleRate;
// Abort
mad_header_finish(&madHeader);
return OpenResult::FAILED;
}
// Count valid frames separated by its sampling rate
headerPerSamplingRate[samplingRateIndex]++;
addSeekFrame(m_curFrameIndex, m_madStream.this_frame);
// Accumulate data from the header
sumBitrate += madHeader.bitrate;
// Update current stream position
m_curFrameIndex += madFrameLength;
DEBUG_ASSERT(m_madStream.this_frame);
DEBUG_ASSERT(0 <= (m_madStream.this_frame - m_pFileData));
} while (quint64(m_madStream.this_frame - m_pFileData) < m_fileSize);
mad_header_finish(&madHeader);
if (MAD_ERROR_NONE != m_madStream.error) {
// Unreachable code for recoverable errors
DEBUG_ASSERT(!MAD_RECOVERABLE(m_madStream.error));
if (MAD_ERROR_BUFLEN != m_madStream.error) {
qWarning() << "Unrecoverable MP3 header error:"
<< mad_stream_errorstr(&m_madStream);
// Abort
return OpenResult::FAILED;
}
}
if (m_seekFrameList.empty()) {
// This is not a working MP3 file.
qWarning() << "SSMP3: This is not a working MP3 file:"
<< m_file.fileName();
// Abort
return OpenResult::FAILED;
}
int mostCommonSamplingRateIndex = kSamplingRateCount; // invalid
int mostCommonSamplingRateCount = 0;
int differentRates = 0;
for (int i = 0; i < kSamplingRateCount; ++i) {
// Find most common sampling rate
if (mostCommonSamplingRateCount < headerPerSamplingRate[i]) {
mostCommonSamplingRateCount = headerPerSamplingRate[i];
mostCommonSamplingRateIndex = i;
differentRates++;
}
}
if (differentRates > 1) {
qWarning() << "Differing sampling rate in some headers:"
<< m_file.fileName();
for (int i = 0; i < kSamplingRateCount; ++i) {
if (0 < headerPerSamplingRate[i]) {
qWarning() << headerPerSamplingRate[i] << "MP3 headers with sampling rate" << getSamplingRateByIndex(i);
}
}
qWarning() << "MP3 files with varying sample rate are not supported!";
qWarning() << "Since this happens most likely due to a corrupt file";
qWarning() << "Mixxx tries to plays it with the most common sample rate for this file";
}
if (mostCommonSamplingRateIndex < kSamplingRateCount) {
setSamplingRate(getSamplingRateByIndex(mostCommonSamplingRateIndex));
} else {
qWarning() << "No single valid sampling rate in header";
// Abort
return OpenResult::FAILED;
}
// Initialize the AudioSource
setChannelCount(maxChannelCount);
setFrameCount(m_curFrameIndex);
// Calculate average values
m_avgSeekFrameCount = getFrameCount() / m_seekFrameList.size();
const unsigned long avgBitrate = sumBitrate / m_seekFrameList.size();
setBitrate(avgBitrate / 1000);
// Terminate m_seekFrameList
addSeekFrame(m_curFrameIndex, 0);
// Reset positions
m_curFrameIndex = getMinFrameIndex();
// Restart decoding at the beginning of the audio stream
m_curFrameIndex = restartDecoding(m_seekFrameList.front());
if (m_curFrameIndex != m_seekFrameList.front().frameIndex) {
qWarning() << "Failed to start decoding:" << m_file.fileName();
// Abort
return OpenResult::FAILED;
}
return OpenResult::SUCCEEDED;
}
void WaveformRendererHSV::draw(QPainter* painter,
QPaintEvent* /*event*/) {
const TrackPointer trackInfo = m_waveformRenderer->getTrackInfo();
if (!trackInfo) {
return;
}
ConstWaveformPointer waveform = trackInfo->getWaveform();
if (waveform.isNull()) {
return;
}
const int dataSize = waveform->getDataSize();
if (dataSize <= 1) {
return;
}
const WaveformData* data = waveform->data();
if (data == NULL) {
return;
}
painter->save();
painter->setRenderHints(QPainter::Antialiasing, false);
painter->setRenderHints(QPainter::HighQualityAntialiasing, false);
painter->setRenderHints(QPainter::SmoothPixmapTransform, false);
painter->setWorldMatrixEnabled(false);
painter->resetTransform();
// Rotate if drawing vertical waveforms
if (m_waveformRenderer->getOrientation() == Qt::Vertical) {
painter->setTransform(QTransform(0, 1, 1, 0, 0, 0));
}
const double firstVisualIndex = m_waveformRenderer->getFirstDisplayedPosition() * dataSize;
const double lastVisualIndex = m_waveformRenderer->getLastDisplayedPosition() * dataSize;
const double offset = firstVisualIndex;
// Represents the # of waveform data points per horizontal pixel.
const double gain = (lastVisualIndex - firstVisualIndex) /
(double)m_waveformRenderer->getLength();
float allGain(1.0);
getGains(&allGain, NULL, NULL, NULL);
// Save HSV of waveform color. NOTE(rryan): On ARM, qreal is float so it's
// important we use qreal here and not double or float or else we will get
// build failures on ARM.
qreal h, s, v;
// Get base color of waveform in the HSV format (s and v isn't use)
m_pColors->getLowColor().getHsvF(&h, &s, &v);
QColor color;
float lo, hi, total;
const int breadth = m_waveformRenderer->getBreadth();
const float halfBreadth = (float)breadth / 2.0;
const float heightFactor = allGain * halfBreadth / 255.0;
//draw reference line
painter->setPen(m_pColors->getAxesColor());
painter->drawLine(0, halfBreadth, m_waveformRenderer->getLength(), halfBreadth);
for (int x = 0; x < m_waveformRenderer->getLength(); ++x) {
// Width of the x position in visual indices.
const double xSampleWidth = gain * x;
// Effective visual index of x
const double xVisualSampleIndex = xSampleWidth + offset;
// Our current pixel (x) corresponds to a number of visual samples
// (visualSamplerPerPixel) in our waveform object. We take the max of
// all the data points on either side of xVisualSampleIndex within a
// window of 'maxSamplingRange' visual samples to measure the maximum
// data point contained by this pixel.
double maxSamplingRange = gain / 2.0;
// Since xVisualSampleIndex is in visual-samples (e.g. R,L,R,L) we want
// to check +/- maxSamplingRange frames, not samples. To do this, divide
// xVisualSampleIndex by 2. Since frames indices are integers, we round
// to the nearest integer by adding 0.5 before casting to int.
int visualFrameStart = int(xVisualSampleIndex / 2.0 - maxSamplingRange + 0.5);
int visualFrameStop = int(xVisualSampleIndex / 2.0 + maxSamplingRange + 0.5);
const int lastVisualFrame = dataSize / 2 - 1;
// We now know that some subset of [visualFrameStart, visualFrameStop]
// lies within the valid range of visual frames. Clamp
// visualFrameStart/Stop to within [0, lastVisualFrame].
visualFrameStart = math_clamp(visualFrameStart, 0, lastVisualFrame);
visualFrameStop = math_clamp(visualFrameStop, 0, lastVisualFrame);
int visualIndexStart = visualFrameStart * 2;
int visualIndexStop = visualFrameStop * 2;
int maxLow[2] = {0, 0};
int maxHigh[2] = {0, 0};
int maxMid[2] = {0, 0};
int maxAll[2] = {0, 0};
for (int i = visualIndexStart;
i >= 0 && i + 1 < dataSize && i + 1 <= visualIndexStop; i += 2) {
const WaveformData& waveformData = *(data + i);
const WaveformData& waveformDataNext = *(data + i + 1);
maxLow[0] = math_max(maxLow[0], (int)waveformData.filtered.low);
maxLow[1] = math_max(maxLow[1], (int)waveformDataNext.filtered.low);
maxMid[0] = math_max(maxMid[0], (int)waveformData.filtered.mid);
maxMid[1] = math_max(maxMid[1], (int)waveformDataNext.filtered.mid);
maxHigh[0] = math_max(maxHigh[0], (int)waveformData.filtered.high);
maxHigh[1] = math_max(maxHigh[1], (int)waveformDataNext.filtered.high);
maxAll[0] = math_max(maxAll[0], (int)waveformData.filtered.all);
maxAll[1] = math_max(maxAll[1], (int)waveformDataNext.filtered.all);
}
if (maxAll[0] && maxAll[1]) {
// Calculate sum, to normalize
// Also multiply on 1.2 to prevent very dark or light color
total = (maxLow[0] + maxLow[1] + maxMid[0] + maxMid[1] + maxHigh[0] + maxHigh[1]) * 1.2;
// prevent division by zero
if (total > 0)
{
// Normalize low and high (mid not need, because it not change the color)
lo = (maxLow[0] + maxLow[1]) / total;
hi = (maxHigh[0] + maxHigh[1]) / total;
}
else
lo = hi = 0.0;
// Set color
color.setHsvF(h, 1.0-hi, 1.0-lo);
painter->setPen(color);
switch (m_alignment) {
case Qt::AlignBottom :
case Qt::AlignRight :
painter->drawLine(
x, breadth,
x, breadth - (int)(heightFactor * (float)math_max(maxAll[0],maxAll[1])));
break;
case Qt::AlignTop :
case Qt::AlignLeft :
painter->drawLine(
x, 0,
x, (int)(heightFactor * (float)math_max(maxAll[0],maxAll[1])));
break;
default :
painter->drawLine(
x, (int)(halfBreadth - heightFactor * (float)maxAll[0]),
x, (int)(halfBreadth + heightFactor * (float)maxAll[1]));
}
}
}
painter->restore();
}
int QtWaveformRendererFilteredSignal::buildPolygon() {
// We have to check the track is present because it might have been unloaded
// between the call to draw and the call to buildPolygon
TrackPointer pTrack = m_waveformRenderer->getTrackInfo();
if (!pTrack) {
return 0;
}
const Waveform* waveform = pTrack->getWaveform();
if (waveform == NULL) {
return 0;
}
const int dataSize = waveform->getDataSize();
if (dataSize <= 1) {
return 0;
}
const WaveformData* data = waveform->data();
if (data == NULL) {
return 0;
}
const double firstVisualIndex = m_waveformRenderer->getFirstDisplayedPosition() * dataSize;
const double lastVisualIndex = m_waveformRenderer->getLastDisplayedPosition() * dataSize;
m_polygon[0].clear();
m_polygon[1].clear();
m_polygon[2].clear();
m_polygon[0].reserve(2 * m_waveformRenderer->getWidth() + 2);
m_polygon[1].reserve(2 * m_waveformRenderer->getWidth() + 2);
m_polygon[2].reserve(2 * m_waveformRenderer->getWidth() + 2);
QPointF point(0.0, 0.0);
m_polygon[0].append(point);
m_polygon[1].append(point);
m_polygon[2].append(point);
const double offset = firstVisualIndex;
// Represents the # of waveform data points per horizontal pixel.
const double gain = (lastVisualIndex - firstVisualIndex) /
(double)m_waveformRenderer->getWidth();
float lowGain(1.0), midGain(1.0), highGain(1.0);
getGains(NULL, &lowGain, &midGain, &highGain);
//NOTE(vrince) Please help me find a better name for "channelSeparation"
//this variable stand for merged channel ... 1 = merged & 2 = separated
int channelSeparation = 2;
if (m_alignment != Qt::AlignCenter)
channelSeparation = 1;
for (int channel = 0; channel < channelSeparation; ++channel) {
int startPixel = 0;
int endPixel = m_waveformRenderer->getWidth() - 1;
int delta = 1;
double direction = 1.0;
//Reverse display for merged bottom channel
if (m_alignment == Qt::AlignBottom)
direction = -1.0;
if (channel == 1) {
startPixel = m_waveformRenderer->getWidth() - 1;
endPixel = 0;
delta = -1;
direction = -1.0;
// After preparing the first channel, insert the pivot point.
point = QPointF(m_waveformRenderer->getWidth(), 0.0);
m_polygon[0].append(point);
m_polygon[1].append(point);
m_polygon[2].append(point);
}
for (int x = startPixel;
(startPixel < endPixel) ? (x <= endPixel) : (x >= endPixel);
x += delta) {
// TODO(rryan) remove before 1.11 release. I'm seeing crashes
// sometimes where the pointIndex is very very large. It hasn't come
// back since adding locking, but I'm leaving this so that we can
// get some info about it before crashing. (The crash usually
// corrupts a lot of the stack).
if (m_polygon[0].size() > 2 * m_waveformRenderer->getWidth() + 2) {
qDebug() << "OUT OF CONTROL"
<< 2 * m_waveformRenderer->getWidth() + 2
<< dataSize
<< channel << m_polygon[0].size() << x;
}
// Width of the x position in visual indices.
const double xSampleWidth = gain * x;
// Effective visual index of x
const double xVisualSampleIndex = xSampleWidth + offset;
// Our current pixel (x) corresponds to a number of visual samples
// (visualSamplerPerPixel) in our waveform object. We take the max of
// all the data points on either side of xVisualSampleIndex within a
// window of 'maxSamplingRange' visual samples to measure the maximum
// data point contained by this pixel.
double maxSamplingRange = gain / 2.0;
// Since xVisualSampleIndex is in visual-samples (e.g. R,L,R,L) we want
// to check +/- maxSamplingRange frames, not samples. To do this, divide
// xVisualSampleIndex by 2. Since frames indices are integers, we round
// to the nearest integer by adding 0.5 before casting to int.
int visualFrameStart = int(xVisualSampleIndex / 2.0 - maxSamplingRange + 0.5);
int visualFrameStop = int(xVisualSampleIndex / 2.0 + maxSamplingRange + 0.5);
// If the entire sample range is off the screen then don't calculate a
// point for this pixel.
const int lastVisualFrame = dataSize / 2 - 1;
if (visualFrameStop < 0 || visualFrameStart > lastVisualFrame) {
point = QPointF(x, 0.0);
m_polygon[0].append(point);
m_polygon[1].append(point);
m_polygon[2].append(point);
continue;
}
// We now know that some subset of [visualFrameStart,
// visualFrameStop] lies within the valid range of visual
// frames. Clamp visualFrameStart/Stop to within [0,
// lastVisualFrame].
visualFrameStart = math_max(math_min(lastVisualFrame, visualFrameStart), 0);
visualFrameStop = math_max(math_min(lastVisualFrame, visualFrameStop), 0);
int visualIndexStart = visualFrameStart * 2 + channel;
int visualIndexStop = visualFrameStop * 2 + channel;
// if (x == m_waveformRenderer->getWidth() / 2) {
// qDebug() << "audioVisualRatio" << waveform->getAudioVisualRatio();
// qDebug() << "visualSampleRate" << waveform->getVisualSampleRate();
// qDebug() << "audioSamplesPerVisualPixel" << waveform->getAudioSamplesPerVisualSample();
// qDebug() << "visualSamplePerPixel" << visualSamplePerPixel;
// qDebug() << "xSampleWidth" << xSampleWidth;
// qDebug() << "xVisualSampleIndex" << xVisualSampleIndex;
// qDebug() << "maxSamplingRange" << maxSamplingRange;;
// qDebug() << "Sampling pixel " << x << "over [" << visualIndexStart << visualIndexStop << "]";
// }
unsigned char maxLow = 0;
unsigned char maxBand = 0;
unsigned char maxHigh = 0;
for (int i = visualIndexStart; i >= 0 && i < dataSize && i <= visualIndexStop;
i += channelSeparation) {
const WaveformData& waveformData = *(data + i);
unsigned char low = waveformData.filtered.low;
unsigned char mid = waveformData.filtered.mid;
unsigned char high = waveformData.filtered.high;
maxLow = math_max(maxLow, low);
maxBand = math_max(maxBand, mid);
maxHigh = math_max(maxHigh, high);
}
m_polygon[0].append(QPointF(x, (float)maxLow * lowGain * direction));
m_polygon[1].append(QPointF(x, (float)maxBand * midGain * direction));
m_polygon[2].append(QPointF(x, (float)maxHigh * highGain * direction));
}
}
//If channel are not displayed separately we need to close the loop properly
if (channelSeparation == 1) {
point = QPointF(m_waveformRenderer->getWidth(), 0.0);
m_polygon[0].append(point);
m_polygon[1].append(point);
m_polygon[2].append(point);
}
return m_polygon[0].size();
}
SINT SoundSourceM4A::readSampleFrames(
SINT numberOfFrames, CSAMPLE* sampleBuffer) {
DEBUG_ASSERT(isValidFrameIndex(m_curFrameIndex));
const SINT numberOfFramesTotal = math_min(
numberOfFrames, getMaxFrameIndex() - m_curFrameIndex);
const SINT numberOfSamplesTotal = frames2samples(numberOfFramesTotal);
CSAMPLE* pSampleBuffer = sampleBuffer;
SINT numberOfSamplesRemaining = numberOfSamplesTotal;
while (0 < numberOfSamplesRemaining) {
if (!m_sampleBuffer.isEmpty()) {
// Consume previously decoded sample data
const SampleBuffer::ReadableChunk readableChunk(
m_sampleBuffer.readFromHead(numberOfSamplesRemaining));
if (pSampleBuffer) {
SampleUtil::copy(pSampleBuffer, readableChunk.data(), readableChunk.size());
pSampleBuffer += readableChunk.size();
}
m_curFrameIndex += samples2frames(readableChunk.size());
DEBUG_ASSERT(isValidFrameIndex(m_curFrameIndex));
DEBUG_ASSERT(numberOfSamplesRemaining >= readableChunk.size());
numberOfSamplesRemaining -= readableChunk.size();
if (0 == numberOfSamplesRemaining) {
break; // exit loop
}
}
// All previously decoded sample data has been consumed now
DEBUG_ASSERT(m_sampleBuffer.isEmpty());
if (0 == m_inputBufferLength) {
// Fill input buffer from file
if (isValidSampleBlockId(m_curSampleBlockId)) {
// Read data for next sample block into input buffer
u_int8_t* pInputBuffer = &m_inputBuffer[0];
u_int32_t inputBufferLength = m_inputBuffer.size(); // in/out parameter
if (!MP4ReadSample(m_hFile, m_trackId, m_curSampleBlockId,
&pInputBuffer, &inputBufferLength,
NULL, NULL, NULL, NULL)) {
qWarning()
<< "Failed to read MP4 input data for sample block"
<< m_curSampleBlockId << "(" << "min ="
<< kSampleBlockIdMin << "," << "max ="
<< m_maxSampleBlockId << ")";
break; // abort
}
++m_curSampleBlockId;
m_inputBufferLength = inputBufferLength;
m_inputBufferOffset = 0;
}
}
DEBUG_ASSERT(0 <= m_inputBufferLength);
if (0 == m_inputBufferLength) {
break; // EOF
}
// NOTE(uklotzde): The sample buffer for NeAACDecDecode2 has to
// be big enough for a whole block of decoded samples, which
// contains up to kFramesPerSampleBlock frames. Otherwise
// we need to use a temporary buffer.
CSAMPLE* pDecodeBuffer; // in/out parameter
SINT decodeBufferCapacity;
const SINT decodeBufferCapacityMin = frames2samples(kFramesPerSampleBlock);
if (pSampleBuffer && (decodeBufferCapacityMin <= numberOfSamplesRemaining)) {
// Decode samples directly into sampleBuffer
pDecodeBuffer = pSampleBuffer;
decodeBufferCapacity = numberOfSamplesRemaining;
} else {
// Decode next sample block into temporary buffer
const SINT writeToTailCount = math_max(
numberOfSamplesRemaining, decodeBufferCapacityMin);
const SampleBuffer::WritableChunk writableChunk(
m_sampleBuffer.writeToTail(writeToTailCount));
pDecodeBuffer = writableChunk.data();
decodeBufferCapacity = writableChunk.size();
}
DEBUG_ASSERT(decodeBufferCapacityMin <= decodeBufferCapacity);
NeAACDecFrameInfo decFrameInfo;
void* pDecodeResult = NeAACDecDecode2(
m_hDecoder, &decFrameInfo,
&m_inputBuffer[m_inputBufferOffset],
m_inputBufferLength,
reinterpret_cast<void**>(&pDecodeBuffer),
decodeBufferCapacity * sizeof(*pDecodeBuffer));
// Verify the decoding result
if (0 != decFrameInfo.error) {
qWarning() << "AAC decoding error:"
<< decFrameInfo.error
<< NeAACDecGetErrorMessage(decFrameInfo.error)
<< getUrlString();
break; // abort
}
DEBUG_ASSERT(pDecodeResult == pDecodeBuffer); // verify the in/out parameter
// Verify the decoded sample data for consistency
if (getChannelCount() != decFrameInfo.channels) {
qWarning() << "Corrupt or unsupported AAC file:"
<< "Unexpected number of channels" << decFrameInfo.channels
<< "<>" << getChannelCount();
break; // abort
}
if (getFrameRate() != SINT(decFrameInfo.samplerate)) {
qWarning() << "Corrupt or unsupported AAC file:"
<< "Unexpected sample rate" << decFrameInfo.samplerate
<< "<>" << getFrameRate();
break; // abort
}
// Consume input data
m_inputBufferLength -= decFrameInfo.bytesconsumed;
m_inputBufferOffset += decFrameInfo.bytesconsumed;
// Consume decoded output data
const SINT numberOfSamplesDecoded = decFrameInfo.samples;
DEBUG_ASSERT(numberOfSamplesDecoded <= decodeBufferCapacity);
SINT numberOfSamplesRead;
if (pDecodeBuffer == pSampleBuffer) {
numberOfSamplesRead = math_min(numberOfSamplesDecoded, numberOfSamplesRemaining);
pSampleBuffer += numberOfSamplesRead;
} else {
m_sampleBuffer.readFromTail(decodeBufferCapacity - numberOfSamplesDecoded);
const SampleBuffer::ReadableChunk readableChunk(
m_sampleBuffer.readFromHead(numberOfSamplesRemaining));
numberOfSamplesRead = readableChunk.size();
if (pSampleBuffer) {
SampleUtil::copy(pSampleBuffer, readableChunk.data(), numberOfSamplesRead);
pSampleBuffer += numberOfSamplesRead;
}
}
// The decoder might decode more samples than actually needed
// at the end of the file! When the end of the file has been
// reached decoding can be restarted by seeking to a new
// position.
DEBUG_ASSERT(numberOfSamplesDecoded >= numberOfSamplesRead);
m_curFrameIndex += samples2frames(numberOfSamplesRead);
DEBUG_ASSERT(isValidFrameIndex(m_curFrameIndex));
DEBUG_ASSERT(numberOfSamplesRemaining >= numberOfSamplesRead);
numberOfSamplesRemaining -= numberOfSamplesRead;
}
DEBUG_ASSERT(isValidFrameIndex(m_curFrameIndex));
DEBUG_ASSERT(numberOfSamplesTotal >= numberOfSamplesRemaining);
return samples2frames(numberOfSamplesTotal - numberOfSamplesRemaining);
}
void GLWaveformRendererFilteredSignal::draw(QPainter* painter, QPaintEvent* /*event*/) {
TrackPointer pTrack = m_waveformRenderer->getTrackInfo();
if (!pTrack) {
return;
}
ConstWaveformPointer waveform = pTrack->getWaveform();
if (waveform.isNull()) {
return;
}
const int dataSize = waveform->getDataSize();
if (dataSize <= 1) {
return;
}
const WaveformData* data = waveform->data();
if (data == NULL) {
return;
}
double firstVisualIndex = m_waveformRenderer->getFirstDisplayedPosition() * dataSize;
double lastVisualIndex = m_waveformRenderer->getLastDisplayedPosition() * dataSize;
const double lineWidth = (1.0 / m_waveformRenderer->getVisualSamplePerPixel()) + 1.0;
const int firstIndex = int(firstVisualIndex+0.5);
firstVisualIndex = firstIndex - firstIndex%2;
const int lastIndex = int(lastVisualIndex+0.5);
lastVisualIndex = lastIndex + lastIndex%2;
// Reset device for native painting
painter->beginNativePainting();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Per-band gain from the EQ knobs.
float allGain(1.0), lowGain(1.0), midGain(1.0), highGain(1.0);
getGains(&allGain, &lowGain, &midGain, &highGain);
#ifndef __OPENGLES__
if (m_alignment == Qt::AlignCenter) {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
if (m_orientation == Qt::Vertical) {
glRotatef(90.0f, 0.0f, 0.0f, 1.0f);
glScalef(-1.0f, 1.0f, 1.0f);
}
glOrtho(firstVisualIndex, lastVisualIndex, -255.0, 255.0, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glScalef(1.f,allGain,1.f);
glLineWidth(1.0);
glDisable(GL_LINE_SMOOTH);
//draw reference line
glBegin(GL_LINES); {
glColor4f(m_axesColor_r, m_axesColor_g,
m_axesColor_b, m_axesColor_a);
glVertex2f(firstVisualIndex,0);
glVertex2f(lastVisualIndex,0);
}
glEnd();
glLineWidth(lineWidth);
glEnable(GL_LINE_SMOOTH);
glBegin(GL_LINES); {
int firstIndex = math_max(static_cast<int>(firstVisualIndex), 0);
int lastIndex = math_min(static_cast<int>(lastVisualIndex), dataSize);
glColor4f(m_lowColor_r, m_lowColor_g, m_lowColor_b, 0.8);
for (int visualIndex = firstIndex;
visualIndex < lastIndex;
visualIndex += 2) {
GLfloat maxLow0 = data[visualIndex].filtered.low;
GLfloat maxLow1 = data[visualIndex+1].filtered.low;
glVertex2f(visualIndex,lowGain*maxLow0);
glVertex2f(visualIndex,-1.f*lowGain*maxLow1);
}
glColor4f(m_midColor_r, m_midColor_g, m_midColor_b, 0.85);
for (int visualIndex = firstIndex;
visualIndex < lastIndex;
visualIndex += 2) {
GLfloat maxMid0 = data[visualIndex].filtered.mid;
GLfloat maxMid1 = data[visualIndex+1].filtered.mid;
glVertex2f(visualIndex, midGain * maxMid0);
glVertex2f(visualIndex,-1.f * midGain * maxMid1);
}
glColor4f(m_highColor_r, m_highColor_g, m_highColor_b, 0.9);
for (int visualIndex = firstIndex;
visualIndex < lastIndex;
visualIndex += 2) {
GLfloat maxHigh0 = data[visualIndex].filtered.high;
GLfloat maxHigh1 = data[visualIndex + 1].filtered.high;
glVertex2f(visualIndex, highGain * maxHigh0);
glVertex2f(visualIndex, -1.f * highGain * maxHigh1);
}
}
glEnd();
} else { //top || bottom
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
if (m_orientation == Qt::Vertical) {
glRotatef(90.0f, 0.0f, 0.0f, 1.0f);
glScalef(-1.0f, 1.0f, 1.0f);
}
if (m_alignment == Qt::AlignBottom || m_alignment == Qt::AlignRight)
glOrtho(firstVisualIndex, lastVisualIndex, 0.0, 255.0, -10.0, 10.0);
else
glOrtho(firstVisualIndex, lastVisualIndex, 255.0, 0.0, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glScalef(1.f,allGain,1.f);
glLineWidth(lineWidth);
glEnable(GL_LINE_SMOOTH);
glBegin(GL_LINES); {
int firstIndex = math_max(static_cast<int>(firstVisualIndex), 0);
int lastIndex = math_min(static_cast<int>(lastVisualIndex), dataSize);
glColor4f(m_lowColor_r, m_lowColor_g, m_lowColor_b, 0.8);
for (int visualIndex = firstIndex;
visualIndex < lastIndex;
visualIndex += 2) {
GLfloat maxLow = math_max(
data[visualIndex].filtered.low,
data[visualIndex+1].filtered.low);
glVertex2f(visualIndex, 0);
glVertex2f(visualIndex, lowGain * maxLow);
}
glColor4f(m_midColor_r, m_midColor_g, m_midColor_b, 0.85);
for (int visualIndex = firstIndex;
visualIndex < lastIndex;
visualIndex += 2) {
GLfloat maxMid = math_max(
data[visualIndex].filtered.mid,
data[visualIndex+1].filtered.mid);
glVertex2f(visualIndex, 0.f);
glVertex2f(visualIndex, midGain * maxMid);
}
glColor4f(m_highColor_r, m_highColor_g, m_highColor_b, 0.9);
for (int visualIndex = firstIndex;
visualIndex < lastIndex;
visualIndex += 2) {
GLfloat maxHigh = math_max(
data[visualIndex].filtered.high,
data[visualIndex + 1].filtered.high);
glVertex2f(visualIndex, 0.f);
glVertex2f(visualIndex, highGain * maxHigh);
}
}
glEnd();
}
//DEBUG
/*glDisable(GL_ALPHA_TEST);
glBegin(GL_LINE_LOOP);
{
glColor4f(0.5,1.0,0.5,0.25);
glVertex3f(firstVisualIndex,-1.0f, 0.0f);
glVertex3f(lastVisualIndex, 1.0f, 0.0f);
glVertex3f(lastVisualIndex,-1.0f, 0.0f);
glVertex3f(firstVisualIndex, 1.0f, 0.0f);
}
glEnd();*/
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
#endif
painter->endNativePainting();
}
// We return the UserSettings here because we have to make changes to the
// configuration and the location of the file may change between releases.
UserSettingsPointer Upgrade::versionUpgrade(const QString& settingsPath) {
/* Pre-1.7.0:
*
* Since we didn't store version numbers in the config file prior to 1.7.0,
* we check to see if the user is upgrading if his config files are in the old location,
* since we moved them in 1.7.0. This code takes care of moving them.
*/
QDir oldLocation = QDir(QDir::homePath());
#ifdef __WINDOWS__
QFileInfo* pre170Config = new QFileInfo(oldLocation.filePath("mixxx.cfg"));
#else
QFileInfo* pre170Config = new QFileInfo(oldLocation.filePath(".mixxx.cfg"));
#endif
if (pre170Config->exists()) {
// Move the files to their new location
QDir newLocation = QDir(settingsPath);
if (!newLocation.exists()) {
qDebug() << "Creating new settings directory" << newLocation.absolutePath();
newLocation.mkpath(".");
}
QString errorText = "Error moving your %1 file %2 to the new location %3: \n";
#ifdef __WINDOWS__
QString oldFilePath = oldLocation.filePath("mixxxtrack.xml");
#else
QString oldFilePath = oldLocation.filePath(".mixxxtrack.xml");
#endif
QString newFilePath = newLocation.filePath("mixxxtrack.xml");
QFile* oldFile = new QFile(oldFilePath);
if (oldFile->exists()) {
if (oldFile->copy(newFilePath)) {
oldFile->remove();
}
else {
if (oldFile->error()==14) qDebug() << errorText.arg("library", oldFilePath, newFilePath) << "The destination file already exists.";
else qDebug() << errorText.arg("library", oldFilePath, newFilePath) << "Error #" << oldFile->error();
}
}
delete oldFile;
#ifdef __WINDOWS__
oldFilePath = oldLocation.filePath("mixxxbpmschemes.xml");
#else
oldFilePath = oldLocation.filePath(".mixxxbpmscheme.xml");
#endif
newFilePath = newLocation.filePath("mixxxbpmscheme.xml");
oldFile = new QFile(oldFilePath);
if (oldFile->exists()) {
if (oldFile->copy(newFilePath))
oldFile->remove();
else {
if (oldFile->error()==14) qDebug() << errorText.arg("settings", oldFilePath, newFilePath) << "The destination file already exists.";
else qDebug() << errorText.arg("settings", oldFilePath, newFilePath) << "Error #" << oldFile->error();
}
}
delete oldFile;
#ifdef __WINDOWS__
oldFilePath = oldLocation.filePath("MixxxMIDIBindings.xml");
#else
oldFilePath = oldLocation.filePath(".MixxxMIDIBindings.xml");
#endif
newFilePath = newLocation.filePath("MixxxMIDIBindings.xml");
oldFile = new QFile(oldFilePath);
if (oldFile->exists()) {
qWarning() << "The MIDI mapping file format has changed in this version of Mixxx. You will need to reconfigure your MIDI controller. See the Wiki for full details on the new format.";
if (oldFile->copy(newFilePath))
oldFile->remove();
else {
if (oldFile->error()==14) qDebug() << errorText.arg("MIDI mapping", oldFilePath, newFilePath) << "The destination file already exists.";
else qDebug() << errorText.arg("MIDI mapping", oldFilePath, newFilePath) << "Error #" << oldFile->error();
}
}
// Tidy up
delete oldFile;
#ifdef __WINDOWS__
QFile::remove(oldLocation.filePath("MixxxMIDIDevice.xml")); // Obsolete file, so just delete it
#else
QFile::remove(oldLocation.filePath(".MixxxMIDIDevice.xml")); // Obsolete file, so just delete it
#endif
#ifdef __WINDOWS__
oldFilePath = oldLocation.filePath("mixxx.cfg");
#else
oldFilePath = oldLocation.filePath(".mixxx.cfg");
#endif
newFilePath = newLocation.filePath(SETTINGS_FILE);
oldFile = new QFile(oldFilePath);
if (oldFile->copy(newFilePath))
oldFile->remove();
else {
if (oldFile->error()==14) qDebug() << errorText.arg("configuration", oldFilePath, newFilePath) << "The destination file already exists.";
else qDebug() << errorText.arg("configuration", oldFilePath, newFilePath) << "Error #" << oldFile->error();
}
delete oldFile;
}
// Tidy up
delete pre170Config;
// End pre-1.7.0 code
/***************************************************************************
* Post-1.7.0 upgrade code
*
* Add entries to the IF ladder below if anything needs to change from the
* previous to the current version. This allows for incremental upgrades
* in case a user upgrades from a few versions prior.
****************************************************************************/
// Read the config file from home directory
UserSettingsPointer config(new ConfigObject<ConfigValue>(
QDir(settingsPath).filePath(SETTINGS_FILE)));
QString configVersion = config->getValueString(ConfigKey("[Config]","Version"));
if (configVersion.isEmpty()) {
#ifdef __APPLE__
qDebug() << "Config version is empty, trying to read pre-1.9.0 config";
// Try to read the config from the pre-1.9.0 final directory on OS X (we moved it in 1.9.0 final)
QScopedPointer<QFile> oldConfigFile(new QFile(QDir::homePath().append("/").append(".mixxx/mixxx.cfg")));
if (oldConfigFile->exists() && ! CmdlineArgs::Instance().getSettingsPathSet()) {
qDebug() << "Found pre-1.9.0 config for OS X";
// Note: We changed SETTINGS_PATH in 1.9.0 final on OS X so it must be hardcoded to ".mixxx" here for legacy.
config = UserSettingsPointer(new ConfigObject<ConfigValue>(
QDir::homePath().append("/.mixxx/mixxx.cfg")));
// Just to be sure all files like logs and soundconfig go with mixxx.cfg
// TODO(XXX) Trailing slash not needed anymore as we switches from String::append
// to QDir::filePath elsewhere in the code. This is candidate for removal.
CmdlineArgs::Instance().setSettingsPath(QDir::homePath().append("/.mixxx/"));
configVersion = config->getValueString(ConfigKey("[Config]","Version"));
}
else {
#elif __WINDOWS__
qDebug() << "Config version is empty, trying to read pre-1.12.0 config";
// Try to read the config from the pre-1.12.0 final directory on Windows (we moved it in 1.12.0 final)
QScopedPointer<QFile> oldConfigFile(new QFile(QDir::homePath().append("/Local Settings/Application Data/Mixxx/mixxx.cfg")));
if (oldConfigFile->exists() && ! CmdlineArgs::Instance().getSettingsPathSet()) {
qDebug() << "Found pre-1.12.0 config for Windows";
// Note: We changed SETTINGS_PATH in 1.12.0 final on Windows so it must be hardcoded to "Local Settings/Application Data/Mixxx/" here for legacy.
config = UserSettingsPointer(new ConfigObject<ConfigValue>(
QDir::homePath().append("/Local Settings/Application Data/Mixxx/mixxx.cfg")));
// Just to be sure all files like logs and soundconfig go with mixxx.cfg
// TODO(XXX) Trailing slash not needed anymore as we switches from String::append
// to QDir::filePath elsewhere in the code. This is candidate for removal.
CmdlineArgs::Instance().setSettingsPath(QDir::homePath().append("/Local Settings/Application Data/Mixxx/"));
configVersion = config->getValueString(ConfigKey("[Config]","Version"));
}
else {
#endif
// This must have been the first run... right? :)
qDebug() << "No version number in configuration file. Setting to" << MIXXX_VERSION;
config->set(ConfigKey("[Config]","Version"), ConfigValue(MIXXX_VERSION));
m_bFirstRun = true;
return config;
#ifdef __APPLE__
}
#elif __WINDOWS__
}
#endif
}
// If it's already current, stop here
if (configVersion == MIXXX_VERSION) {
qDebug() << "Configuration file is at the current version" << MIXXX_VERSION;
return config;
}
// Allows for incremental upgrades in case someone upgrades from a few versions prior
// (I wish we could do a switch on a QString.)
/*
// Examples, since we didn't store the version number prior to v1.7.0
if (configVersion.startsWith("1.6.0")) {
qDebug() << "Upgrading from v1.6.0 to 1.6.1...";
// Upgrade tasks go here
configVersion = "1.6.1";
config->set(ConfigKey("[Config]","Version"), ConfigValue("1.6.1"));
}
if (configVersion.startsWith("1.6.1")) {
qDebug() << "Upgrading from v1.6.1 to 1.7.0...";
// Upgrade tasks go here
configVersion = "1.7.0";
config->set(ConfigKey("[Config]","Version"), ConfigValue("1.7.0"));
}
*/
// We use the following blocks to detect if this is the first time
// you've run the latest version of Mixxx. This lets us show
// the promo tracks stats agreement stuff for all users that are
// upgrading Mixxx.
if (configVersion.startsWith("1.7")) {
qDebug() << "Upgrading from v1.7.x...";
// Upgrade tasks go here
// Nothing to change, really
configVersion = "1.8.0";
config->set(ConfigKey("[Config]","Version"), ConfigValue("1.8.0"));
}
if (configVersion.startsWith("1.8.0~beta1") ||
configVersion.startsWith("1.8.0~beta2")) {
qDebug() << "Upgrading from v1.8.0~beta...";
// Upgrade tasks go here
configVersion = "1.8.0";
config->set(ConfigKey("[Config]","Version"), ConfigValue("1.8.0"));
}
if (configVersion.startsWith("1.8") || configVersion.startsWith("1.9.0beta1")) {
qDebug() << "Upgrading from" << configVersion << "...";
// Upgrade tasks go here
#ifdef __APPLE__
QString OSXLocation180 = QDir::homePath().append("/").append(".mixxx");
QString OSXLocation190 = settingsPath;
QDir newOSXDir(OSXLocation190);
newOSXDir.mkpath(OSXLocation190);
QList<QPair<QString, QString> > dirsToMove;
dirsToMove.push_back(QPair<QString, QString>(OSXLocation180, OSXLocation190));
dirsToMove.push_back(QPair<QString, QString>(OSXLocation180 + "/midi", OSXLocation190 + "midi"));
dirsToMove.push_back(QPair<QString, QString>(OSXLocation180 + "/presets", OSXLocation190 + "presets"));
QListIterator<QPair<QString, QString> > dirIt(dirsToMove);
QPair<QString, QString> curPair;
while (dirIt.hasNext())
{
curPair = dirIt.next();
qDebug() << "Moving" << curPair.first << "to" << curPair.second;
QDir oldSubDir(curPair.first);
QDir newSubDir(curPair.second);
newSubDir.mkpath(curPair.second); // Create the new destination directory
QStringList contents = oldSubDir.entryList(QDir::Files | QDir::NoDotAndDotDot);
QStringListIterator it(contents);
QString cur;
// Iterate over all the files in the source directory and copy them to the dest dir.
while (it.hasNext())
{
cur = it.next();
QString src = curPair.first + "/" + cur;
QString dest = curPair.second + "/" + cur;
qDebug() << "Copying" << src << "to" << dest;
if (!QFile::copy(src, dest))
{
qDebug() << "Failed to move file during upgrade.";
}
}
// Rename the old directory.
newOSXDir.rename(OSXLocation180, OSXLocation180 + "-1.8");
}
// Reload the configuration file from the new location.
// (We want to make sure we save to the new location...)
config = UserSettingsPointer(new ConfigObject<ConfigValue>(
QDir(settingsPath).filePath(SETTINGS_FILE)));
#endif
configVersion = "1.9.0";
config->set(ConfigKey("[Config]","Version"), ConfigValue("1.9.0"));
}
if (configVersion.startsWith("1.9") || configVersion.startsWith("1.10")) {
qDebug() << "Upgrading from v1.9.x/1.10.x...";
bool successful = true;
qDebug() << "Copying midi/ to controllers/";
QString midiPath = legacyUserPresetsPath(config);
QString controllerPath = userPresetsPath(config);
QDir oldDir(midiPath);
QDir newDir(controllerPath);
newDir.mkpath(controllerPath); // create the new directory
QStringList contents = oldDir.entryList(QDir::Files | QDir::NoDotAndDotDot);
QStringListIterator it(contents);
QString cur;
// Iterate over all the files in the source directory and copy them to the dest dir.
while (it.hasNext()) {
cur = it.next();
if (newDir.exists(cur)) {
qDebug() << cur << "already exists in"
<< controllerPath << "Skipping.";
continue;
}
QString src = oldDir.absoluteFilePath(cur);
QString dest = newDir.absoluteFilePath(cur);
qDebug() << "Copying" << src << "to" << dest;
if (!QFile::copy(src, dest)) {
qDebug() << "Failed to copy file during upgrade.";
successful = false;
}
}
bool reanalyze_choice = askReanalyzeBeats();
BeatDetectionSettings bpmSettings(config);
bpmSettings.setReanalyzeWhenSettingsChange(reanalyze_choice);
if (successful) {
qDebug() << "Upgrade Successful";
configVersion = "1.11.0";
config->set(ConfigKey("[Config]","Version"),
ConfigValue(configVersion));
} else {
qDebug() << "Upgrade Failed";
}
}
if (configVersion.startsWith("1.11")) {
qDebug() << "Upgrading from v1.11.x...";
bool successful = false;
{
MixxxDb mixxxDb(config);
const mixxx::DbConnectionPooler dbConnectionPooler(
mixxxDb.connectionPool());
if (dbConnectionPooler.isPooling()) {
QSqlDatabase dbConnection = mixxx::DbConnectionPooled(mixxxDb.connectionPool());
DEBUG_ASSERT(dbConnection.isOpen());
if (MixxxDb::initDatabaseSchema(dbConnection)) {
TrackCollection tc(config);
tc.connectDatabase(dbConnection);
// upgrade to the multi library folder settings
QString currentFolder = config->getValueString(PREF_LEGACY_LIBRARY_DIR);
// to migrate the DB just add the current directory to the new
// directories table
// NOTE(rryan): We don't have to ask for sandbox permission to this
// directory because the normal startup integrity check in Library will
// notice if we don't have permission and ask for access. Also, the
// Sandbox isn't setup yet at this point in startup because it relies on
// the config settings path and this function is what loads the config
// so it's not ready yet.
successful = tc.getDirectoryDAO().addDirectory(currentFolder);
tc.disconnectDatabase();
}
}
}
// ask for library rescan to activate cover art. We can later ask for
// this variable when the library scanner is constructed.
m_bRescanLibrary = askReScanLibrary();
// Versions of mixxx until 1.11 had a hack that multiplied gain by 1/2,
// which was compensation for another hack that set replaygain to a
// default of 6. We've now removed all of the hacks, so subtracting
// 6 from everyone's replay gain should keep things consistent for
// all users.
int oldReplayGain = config->getValue(
ConfigKey("[ReplayGain]", "InitialReplayGainBoost"), 6);
int newReplayGain = math_max(-6, oldReplayGain - 6);
config->set(ConfigKey("[ReplayGain]", "InitialReplayGainBoost"),
ConfigValue(newReplayGain));
// if everything until here worked fine we can mark the configuration as
// updated
if (successful) {
configVersion = MIXXX_VERSION;
config->set(ConfigKey("[Config]","Version"), ConfigValue(MIXXX_VERSION));
}
else {
qDebug() << "Upgrade failed!\n";
}
}
if (configVersion.startsWith("1.12") ||
configVersion.startsWith("2.0") ||
configVersion.startsWith("2.1.0")) {
// No special upgrade required, just update the value.
configVersion = MIXXX_VERSION;
config->set(ConfigKey("[Config]","Version"), ConfigValue(MIXXX_VERSION));
}
if (configVersion == MIXXX_VERSION) qDebug() << "Configuration file is now at the current version" << MIXXX_VERSION;
else {
qWarning() << "Configuration file is at version" << configVersion
<< "instead of the current" << MIXXX_VERSION;
}
return config;
}
int ReadAheadManager::getNextSamples(double dRate, CSAMPLE* buffer,
int requested_samples) {
if (!even(requested_samples)) {
qDebug() << "ERROR: Non-even requested_samples to ReadAheadManager::getNextSamples";
requested_samples--;
}
bool in_reverse = dRate < 0;
int start_sample = m_iCurrentPosition;
//qDebug() << "start" << start_sample << requested_samples;
int samples_needed = requested_samples;
CSAMPLE* base_buffer = buffer;
// A loop will only limit the amount we can read in one shot.
const double loop_trigger = m_sEngineControls[0]->nextTrigger(
dRate, m_iCurrentPosition, 0, 0);
bool loop_active = loop_trigger != kNoTrigger;
int preloop_samples = 0;
if (loop_active) {
int samples_available = in_reverse ?
m_iCurrentPosition - loop_trigger :
loop_trigger - m_iCurrentPosition;
preloop_samples = samples_available;
samples_needed = math_max(0, math_min(samples_needed,
samples_available));
}
if (in_reverse) {
start_sample = m_iCurrentPosition - samples_needed;
}
// Sanity checks.
if (samples_needed < 0) {
qDebug() << "Need negative samples in ReadAheadManager::getNextSamples. Ignoring read";
return 0;
}
int samples_read = m_pReader->read(start_sample, samples_needed,
base_buffer);
if (samples_read != samples_needed) {
qDebug() << "didn't get what we wanted" << samples_read << samples_needed;
}
// Increment or decrement current read-ahead position
if (in_reverse) {
addReadLogEntry(m_iCurrentPosition, m_iCurrentPosition - samples_read);
m_iCurrentPosition -= samples_read;
} else {
addReadLogEntry(m_iCurrentPosition, m_iCurrentPosition + samples_read);
m_iCurrentPosition += samples_read;
}
// Activate on this trigger if necessary
if (loop_active) {
// LoopingControl makes the decision about whether we should loop or
// not.
const double loop_target = m_sEngineControls[0]->
process(dRate, m_iCurrentPosition, 0, 0);
if (loop_target != kNoTrigger) {
m_iCurrentPosition = loop_target;
int loop_read_position = m_iCurrentPosition +
(in_reverse ? preloop_samples : -preloop_samples);
int looping_samples_read = m_pReader->read(
loop_read_position, samples_read, m_pCrossFadeBuffer);
if (looping_samples_read != samples_read) {
qDebug() << "ERROR: Couldn't get all needed samples for crossfade.";
}
// do crossfade from the current buffer into the new loop beginning
double mix_amount = 0.0;
double mix_inc = 2.0 / static_cast<double>(samples_read);
for (int i = 0; i < samples_read; i += 2) {
base_buffer[i] = base_buffer[i] * (1.0 - mix_amount) + m_pCrossFadeBuffer[i] * mix_amount;
base_buffer[i+1] = base_buffer[i+1] * (1.0 - mix_amount) + m_pCrossFadeBuffer[i+1] * mix_amount;
mix_amount += mix_inc;
}
}
}
// Reverse the samples in-place
if (in_reverse) {
// TODO(rryan) pull this into MixxxUtil or something
CSAMPLE temp1, temp2;
for (int j = 0; j < samples_read/2; j += 2) {
const int endpos = samples_read-1-j-1;
temp1 = base_buffer[j];
temp2 = base_buffer[j+1];
base_buffer[j] = base_buffer[endpos];
base_buffer[j+1] = base_buffer[endpos+1];
base_buffer[endpos] = temp1;
base_buffer[endpos+1] = temp2;
}
}
//qDebug() << "read" << m_iCurrentPosition << samples_read;
return samples_read;
}
/** Stretch a specified buffer worth of audio using linear interpolation */
CSAMPLE * EngineBufferScaleLinear::do_scale(CSAMPLE* buf,
unsigned long buf_size, int* samples_read) {
float rate_add_new = m_dBaseRate;
float rate_add_old = m_fOldBaseRate; //Smoothly interpolate to new playback rate
float rate_add = rate_add_new;
float rate_add_diff = rate_add_new - rate_add_old;
//Update the old base rate because we only need to
//interpolate/ramp up the pitch changes once.
m_fOldBaseRate = m_dBaseRate;
// Determine position in read_buffer to start from. (This is always 0 with
// the new EngineBuffer implementation)
int iRateLerpLength = static_cast<int>(buf_size);
// Guard against buf_size == 0
if (iRateLerpLength == 0)
return buf;
// We check for scratch condition in the public function, so this shouldn't
// happen
if (rate_add_new * rate_add_old < 0) {
qDebug() << "ERROR: EBSL did not detect scratching correctly.";
}
// Special case -- no scaling needed!
if (rate_add_old == 1.0 && rate_add_new == 1.0) {
int samples_needed = buf_size;
CSAMPLE* write_buf = buf;
// Use up what's left of the internal buffer.
int iNextSample = static_cast<int>(ceil(m_dNextSampleIndex)) * 2;
if (iNextSample + 1 < buffer_int_size) {
for (int i = iNextSample; samples_needed > 2 && i < buffer_int_size; i+=2) {
*write_buf = buffer_int[i]; write_buf++;
*write_buf = buffer_int[i+1]; write_buf++;
samples_needed -= 2;
}
}
// Protection against infinite read loops when (for example) we are
// reading from a broken file.
bool last_read_failed = false;
// We need to repeatedly call the RAMAN because the RAMAN does not bend
// over backwards to satisfy our request. It assumes you will continue
// to call getNextSamples until you receive the number of samples you
// wanted.
while (samples_needed > 0) {
int read_size = m_pReadAheadManager->getNextSamples(1.0, write_buf, samples_needed);
samples_needed -= read_size;
write_buf += read_size;
if (read_size == 0) {
if (last_read_failed) {
break;
}
last_read_failed = true;
}
}
// Instead of counting how many samples we got from the internal buffer
// and the RAMAN calls, just measure the difference between what we
// requested and what we still need.
int read_samples = buf_size - samples_needed;
// Even though this code should not trigger for the special case in
// getScaled for when the rate changes directions, the convention in the
// rest of this method is that we increment samples_read rather than
// assign it.
*samples_read += read_samples;
// Zero the remaining samples if we didn't fill them.
SampleUtil::applyGain(write_buf, 0.0f, samples_needed);
// update our class members so next time we need to scale it's ok. we do
// blow away the fractional sample position here
buffer_int_size = 0; // force buffer read
m_dNextSampleIndex = 0;
m_fPrevSample[0] = buf[read_samples-2];
m_fPrevSample[1] = buf[read_samples-1];
return buf;
}
// Simulate the loop to estimate how many samples we need
double samples = 0;
for (int j = 0; j < iRateLerpLength; j += 2) {
rate_add = (rate_add_diff) / (float)iRateLerpLength * (float)j + rate_add_old;
samples += fabs(rate_add);
}
rate_add = rate_add_new;
double rate_add_abs = fabs(rate_add);
//we're calculating mono samples, so divide remaining buffer by 2;
samples += (rate_add_abs * ((float)(buf_size - iRateLerpLength)/2));
long unscaled_samples_needed = floor(samples);
//if the current position fraction plus the future position fraction
//loops over 1.0, we need to round up
if (m_dNextSampleIndex - floor(m_dNextSampleIndex) + samples - floor(samples) > 1.0) {
unscaled_samples_needed++;
}
// Multiply by 2 because it is predicting mono rates, while we want a stereo
// number of samples.
unscaled_samples_needed *= 2;
//0 is never the right answer
unscaled_samples_needed = math_max(2,unscaled_samples_needed);
bool last_read_failed = false;
CSAMPLE prev_sample[2];
CSAMPLE cur_sample[2];
prev_sample[0] = 0;
prev_sample[1] = 0;
cur_sample[0] = 0;
cur_sample[1] = 0;
int i = 0;
int screwups = 0;
while (i < buf_size) {
//shift indicies
m_dCurSampleIndex = m_dNextSampleIndex;
//we're going to be interpolating between two samples, a lower (prev)
//and upper (cur) sample. If the lower sample is off the end of the buffer,
//load it from the saved globals
if ((int)floor(m_dCurSampleIndex)*2+1 < buffer_int_size && m_dCurSampleIndex >= 0.0) {
m_fPrevSample[0] = prev_sample[0] = buffer_int[(int)floor(m_dCurSampleIndex)*2];
m_fPrevSample[1] = prev_sample[1] = buffer_int[(int)floor(m_dCurSampleIndex)*2+1];
} else {
prev_sample[0] = m_fPrevSample[0];
prev_sample[1] = m_fPrevSample[1];
}
//Smooth any changes in the playback rate over iRateLerpLength
//samples. This prevents the change from being discontinuous and helps
//improve sound quality.
if (i < iRateLerpLength) {
rate_add = (float)i * (rate_add_diff) / (float)iRateLerpLength + rate_add_old;
//rate_add = sigmoid_zero((float)i,(float)iRateLerpLength) * rate_add_diff + rate_add_old;
} else {
rate_add = rate_add_new;
}
// if we don't have enough samples, load some more
while ((int)ceil(m_dCurSampleIndex)*2+1 >= buffer_int_size) {
int old_bufsize = buffer_int_size;
//qDebug() << "buffer" << buffer_count << rate_add_old << rate_add_new << rate_add << i << m_dCurSampleIndex << buffer_int_size << unscaled_samples_needed;
//Q_ASSERT(unscaled_samples_needed > 0);
if (unscaled_samples_needed == 0) {
//qDebug() << "screwup" << m_dCurSampleIndex << (int)ceil(m_dCurSampleIndex)*2+1 << buffer_int_size;
unscaled_samples_needed = 2;
screwups++;
}
int samples_to_read = math_min(kiLinearScaleReadAheadLength,
unscaled_samples_needed);
buffer_int_size = m_pReadAheadManager->getNextSamples(
rate_add_new == 0 ? rate_add_old : rate_add_new,
buffer_int, samples_to_read);
*samples_read += buffer_int_size;
if (buffer_int_size == 0 && last_read_failed) {
break;
}
last_read_failed = buffer_int_size == 0;
unscaled_samples_needed -= buffer_int_size;
//shift the index by the size of the old buffer
m_dCurSampleIndex -= old_bufsize / 2;
//fractions below 0 is ok, the ceil will bring it up to 0
//this happens sometimes, somehow?
//Q_ASSERT(m_dCurSampleIndex > -1.0);
//not sure this actually does anything, but it seems to help
if ((int)floor(m_dCurSampleIndex)*2 >= 0.0) {
m_fPrevSample[0] = prev_sample[0] = buffer_int[(int)floor(m_dCurSampleIndex)*2];
m_fPrevSample[1] = prev_sample[1] = buffer_int[(int)floor(m_dCurSampleIndex)*2+1];
}
}
//I guess?
if (last_read_failed)
break;
cur_sample[0] = buffer_int[(int)ceil(m_dCurSampleIndex)*2];
cur_sample[1] = buffer_int[(int)ceil(m_dCurSampleIndex)*2+1];
//rate_add was here
//for the current index, what percentage is it between the previous and the next?
CSAMPLE frac = m_dCurSampleIndex - floor(m_dCurSampleIndex);
//Perform linear interpolation
buf[i] = (float)prev_sample[0] + frac * ((float)cur_sample[0] - (float)prev_sample[0]);
buf[i+1] = (float)prev_sample[1] + frac * ((float)cur_sample[1] - (float)prev_sample[1]);
//at extremely low speeds, dampen the gain to hide pops and clicks
//this does cause odd-looking linear waveforms that go to zero and back
/*writer << QString("%1,%2,%3,%4\n").arg(buffer_count)
.arg(buffer[i])
.arg(prev_sample[0])
.arg(cur_sample[0]);
buffer_count++;*/
//increment the index for the next loop
m_dNextSampleIndex = m_dCurSampleIndex +
(i < iRateLerpLength ? fabs(rate_add) : rate_add_abs);
i+=2;
}
// If we broke out of the loop, zero the remaining samples
// TODO(XXX) memset
//for (; i < buf_size; i += 2) {
// buf[i] = 0.0f;
// buf[i+1] = 0.0f;
//}
//Q_ASSERT(i>=buf_size);
SampleUtil::applyGain(&buf[i], 0.0f, buf_size-i);
// It's possible that we will exit this function without having satisfied
// this requirement. We may be trying to read past the end of the file.
//Q_ASSERT(unscaled_samples_needed == 0);
return buf;
}
void QtWaveformRendererSimpleSignal::draw(QPainter* painter, QPaintEvent* /*event*/){
TrackPointer pTrack = m_waveformRenderer->getTrackInfo();
if (!pTrack) {
return;
}
const Waveform* waveform = pTrack->getWaveform();
if (waveform == NULL) {
return;
}
const int dataSize = waveform->getDataSize();
if (dataSize <= 1) {
return;
}
const WaveformData* data = waveform->data();
if (data == NULL) {
return;
}
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
painter->resetTransform();
float allGain(1.0);
getGains(&allGain, NULL, NULL, NULL);
double heightGain = allGain * (double)m_waveformRenderer->getHeight()/255.0;
if (m_alignment == Qt::AlignTop) {
painter->translate(0.0, 0.0);
painter->scale(1.0, heightGain);
} else if (m_alignment == Qt::AlignBottom) {
painter->translate(0.0, m_waveformRenderer->getHeight());
painter->scale(1.0, heightGain);
} else {
painter->translate(0.0, m_waveformRenderer->getHeight()/2.0);
painter->scale(1.0, 0.5*heightGain);
}
//draw reference line
if (m_alignment == Qt::AlignCenter) {
painter->setPen(m_pColors->getAxesColor());
painter->drawLine(0,0,m_waveformRenderer->getWidth(),0);
}
const double firstVisualIndex = m_waveformRenderer->getFirstDisplayedPosition() * dataSize;
const double lastVisualIndex = m_waveformRenderer->getLastDisplayedPosition() * dataSize;
m_polygon.clear();
m_polygon.reserve(2 * m_waveformRenderer->getWidth() + 2);
m_polygon.append(QPointF(0.0, 0.0));
const double offset = firstVisualIndex;
// Represents the # of waveform data points per horizontal pixel.
const double gain = (lastVisualIndex - firstVisualIndex) /
(double)m_waveformRenderer->getWidth();
//NOTE(vrince) Please help me find a better name for "channelSeparation"
//this variable stand for merged channel ... 1 = merged & 2 = separated
int channelSeparation = 2;
if (m_alignment != Qt::AlignCenter)
channelSeparation = 1;
for (int channel = 0; channel < channelSeparation; ++channel) {
int startPixel = 0;
int endPixel = m_waveformRenderer->getWidth() - 1;
int delta = 1;
double direction = 1.0;
//Reverse display for merged bottom channel
if (m_alignment == Qt::AlignBottom)
direction = -1.0;
if (channel == 1) {
startPixel = m_waveformRenderer->getWidth() - 1;
endPixel = 0;
delta = -1;
direction = -1.0;
// After preparing the first channel, insert the pivot point.
m_polygon.append(QPointF(m_waveformRenderer->getWidth(), 0.0));
}
for (int x = startPixel;
(startPixel < endPixel) ? (x <= endPixel) : (x >= endPixel);
x += delta) {
// TODO(rryan) remove before 1.11 release. I'm seeing crashes
// sometimes where the pointIndex is very very large. It hasn't come
// back since adding locking, but I'm leaving this so that we can
// get some info about it before crashing. (The crash usually
// corrupts a lot of the stack).
if (m_polygon.size() > 2 * m_waveformRenderer->getWidth() + 2) {
qDebug() << "OUT OF CONTROL"
<< 2 * m_waveformRenderer->getWidth() + 2
<< dataSize
<< channel << m_polygon.size() << x;
}
// Width of the x position in visual indices.
const double xSampleWidth = gain * x;
// Effective visual index of x
const double xVisualSampleIndex = xSampleWidth + offset;
// Our current pixel (x) corresponds to a number of visual samples
// (visualSamplerPerPixel) in our waveform object. We take the max of
// all the data points on either side of xVisualSampleIndex within a
// window of 'maxSamplingRange' visual samples to measure the maximum
// data point contained by this pixel.
double maxSamplingRange = gain / 2.0;
// Since xVisualSampleIndex is in visual-samples (e.g. R,L,R,L) we want
// to check +/- maxSamplingRange frames, not samples. To do this, divide
// xVisualSampleIndex by 2. Since frames indices are integers, we round
// to the nearest integer by adding 0.5 before casting to int.
int visualFrameStart = int(xVisualSampleIndex / 2.0 - maxSamplingRange + 0.5);
int visualFrameStop = int(xVisualSampleIndex / 2.0 + maxSamplingRange + 0.5);
// If the entire sample range is off the screen then don't calculate a
// point for this pixel.
const int lastVisualFrame = dataSize / 2 - 1;
if (visualFrameStop < 0 || visualFrameStart > lastVisualFrame) {
m_polygon.append(QPointF(x, 0.0));
continue;
}
// We now know that some subset of [visualFrameStart,
// visualFrameStop] lies within the valid range of visual
// frames. Clamp visualFrameStart/Stop to within [0,
// lastVisualFrame].
visualFrameStart = math_max(math_min(lastVisualFrame, visualFrameStart), 0);
visualFrameStop = math_max(math_min(lastVisualFrame, visualFrameStop), 0);
int visualIndexStart = visualFrameStart * 2 + channel;
int visualIndexStop = visualFrameStop * 2 + channel;
// if (x == m_waveformRenderer->getWidth() / 2) {
// qDebug() << "audioVisualRatio" << waveform->getAudioVisualRatio();
// qDebug() << "visualSampleRate" << waveform->getVisualSampleRate();
// qDebug() << "audioSamplesPerVisualPixel" << waveform->getAudioSamplesPerVisualSample();
// qDebug() << "visualSamplePerPixel" << visualSamplePerPixel;
// qDebug() << "xSampleWidth" << xSampleWidth;
// qDebug() << "xVisualSampleIndex" << xVisualSampleIndex;
// qDebug() << "maxSamplingRange" << maxSamplingRange;;
// qDebug() << "Sampling pixel " << x << "over [" << visualIndexStart << visualIndexStop << "]";
// }
unsigned char maxAll = 0;
for (int i = visualIndexStart; i >= 0 && i < dataSize && i <= visualIndexStop;
i += channelSeparation) {
const WaveformData& waveformData = *(data + i);
unsigned char all = waveformData.filtered.all;
maxAll = math_max(maxAll, all);
}
m_polygon.append(QPointF(x, (float)maxAll * direction));
}
}
//If channel are not displayed separatly we nne to close the loop properly
if (channelSeparation == 1) {
m_polygon.append(QPointF(m_waveformRenderer->getWidth(), 0.0));
}
painter->setPen(m_borderPen);
painter->setBrush(m_brush);
painter->drawPolygon(&m_polygon[0], m_polygon.size());
painter->restore();
}
int CachingReader::read(int sample, int num_samples, CSAMPLE* buffer) {
// Check for bad inputs
if (sample % 2 != 0 || num_samples < 0 || !buffer) {
QString temp = QString("Sample = %1").arg(sample);
qDebug() << "CachingReader::read() invalid arguments sample:" << sample
<< "num_samples:" << num_samples << "buffer:" << buffer;
return 0;
}
// If asked to read 0 samples, don't do anything. (this is a perfectly
// reasonable request that happens sometimes. If no track is loaded, don't
// do anything.
if (num_samples == 0 || m_readerStatus != TRACK_LOADED) {
return 0;
}
// Process messages from the reader thread.
process();
// TODO: is it possible to move this code out of caching reader
// and into enginebuffer? It doesn't quite make sense here, although
// it makes preroll completely transparent to the rest of the code
//if we're in preroll...
int zerosWritten = 0;
if (sample < 0) {
if (sample + num_samples <= 0) {
//everything is zeros, easy
memset(buffer, 0, sizeof(*buffer) * num_samples);
return num_samples;
} else {
//some of the buffer is zeros, some is from the file
memset(buffer, 0, sizeof(*buffer) * (0 - sample));
buffer += (0 - sample);
num_samples = sample + num_samples;
zerosWritten = (0 - sample);
sample = 0;
//continue processing the rest of the chunks normally
}
}
int start_sample = math_min(m_iTrackNumSamplesCallbackSafe,
sample);
int start_chunk = chunkForSample(start_sample);
int end_sample = math_min(m_iTrackNumSamplesCallbackSafe,
sample + num_samples - 1);
int end_chunk = chunkForSample(end_sample);
int samples_remaining = num_samples;
int current_sample = sample;
// Sanity checks
if (start_chunk > end_chunk) {
qDebug() << "CachingReader::read() bad chunk range to read ["
<< start_chunk << end_chunk << "]";
return 0;
}
for (int chunk_num = start_chunk; chunk_num <= end_chunk; chunk_num++) {
Chunk* current = lookupChunk(chunk_num);
// If the chunk is not in cache, then we must return an error.
if (current == NULL) {
// qDebug() << "Couldn't get chunk " << chunk_num
// << " in read() of [" << sample << "," << sample + num_samples
// << "] chunks " << start_chunk << "-" << end_chunk;
// Something is wrong. Break out of the loop, that should fill the
// samples requested with zeroes.
Counter("CachingReader::read cache miss")++;
break;
}
int chunk_start_sample = CachingReaderWorker::sampleForChunk(chunk_num);
int chunk_offset = current_sample - chunk_start_sample;
int chunk_remaining_samples = current->length - chunk_offset;
// More sanity checks
if (current_sample < chunk_start_sample || current_sample % 2 != 0) {
qDebug() << "CachingReader::read() bad chunk parameters"
<< "chunk_start_sample" << chunk_start_sample
<< "current_sample" << current_sample;
break;
}
// If we're past the start_chunk then current_sample should be
// chunk_start_sample.
if (start_chunk != chunk_num && chunk_start_sample != current_sample) {
qDebug() << "CachingReader::read() bad chunk parameters"
<< "chunk_num" << chunk_num
<< "start_chunk" << start_chunk
<< "chunk_start_sample" << chunk_start_sample
<< "current_sample" << current_sample;
break;
}
if (samples_remaining < 0) {
qDebug() << "CachingReader::read() bad samples remaining"
<< samples_remaining;
break;
}
// It is completely possible that chunk_remaining_samples is less than
// zero. If the caller is trying to read from beyond the end of the
// file, then this can happen. We should tolerate it.
int samples_to_read = math_max(0, math_min(samples_remaining,
chunk_remaining_samples));
// If we did not decide to read any samples from this chunk then that
// means we have exhausted all the samples in the song.
if (samples_to_read == 0) {
break;
}
// samples_to_read should be non-negative and even
if (samples_to_read < 0 || samples_to_read % 2 != 0) {
qDebug() << "CachingReader::read() samples_to_read invalid"
<< samples_to_read;
break;
}
// TODO(rryan) do a test and see if using memcpy is faster than gcc
// optimizing the for loop
CSAMPLE *data = current->data + chunk_offset;
memcpy(buffer, data, sizeof(*buffer) * samples_to_read);
// for (int i=0; i < samples_to_read; i++) {
// buffer[i] = data[i];
// }
buffer += samples_to_read;
current_sample += samples_to_read;
samples_remaining -= samples_to_read;
}
// If we didn't supply all the samples requested, that probably means we're
// at the end of the file, or something is wrong. Provide zeroes and pretend
// all is well. The caller can't be bothered to check how long the file is.
// TODO(XXX) memset
for (int i=0; i<samples_remaining; i++) {
buffer[i] = 0.0f;
}
samples_remaining = 0;
if (samples_remaining != 0) {
qDebug() << "CachingReader::read() did read all requested samples.";
}
return zerosWritten + num_samples - samples_remaining;
}
void CachingReader::hintAndMaybeWake(const QVector<Hint>& hintList) {
// If no file is loaded, skip.
if (m_readerStatus != TRACK_LOADED) {
return;
}
QVectorIterator<Hint> iterator(hintList);
// To prevent every bit of code having to guess how many samples
// forward it makes sense to keep in memory, the hinter can provide
// either 0 for a forward hint or -1 for a backward hint. We should
// be calculating an appropriate number of samples to go backward as
// some function of the latency, but for now just leave this as a
// constant. 2048 is a pretty good number of samples because 25ms
// latency corresponds to 1102.5 mono samples and we need double
// that for stereo samples.
const int default_samples = 2048;
QSet<int> chunksToFreshen;
while (iterator.hasNext()) {
// Copy, don't use reference.
Hint hint = iterator.next();
if (hint.length == 0) {
hint.length = default_samples;
} else if (hint.length == -1) {
hint.sample -= default_samples;
hint.length = default_samples;
if (hint.sample < 0) {
hint.length += hint.sample;
hint.sample = 0;
}
}
if (hint.length < 0) {
qDebug() << "ERROR: Negative hint length. Ignoring.";
continue;
}
int start_sample = math_max(0, math_min(
m_iTrackNumSamplesCallbackSafe, hint.sample));
int start_chunk = chunkForSample(start_sample);
int end_sample = math_max(0, math_min(
m_iTrackNumSamplesCallbackSafe, hint.sample + hint.length - 1));
int end_chunk = chunkForSample(end_sample);
for (int current = start_chunk; current <= end_chunk; ++current) {
chunksToFreshen.insert(current);
}
}
// For every chunk that the hints indicated, check if it is in the cache. If
// any are not, then wake.
bool shouldWake = false;
QSetIterator<int> setIterator(chunksToFreshen);
while (setIterator.hasNext()) {
int chunk = setIterator.next();
// This will cause the chunk to be 'freshened' in the cache. The
// chunk will be moved to the end of the LRU list.
if (!m_chunksBeingRead.contains(chunk) && lookupChunk(chunk) == NULL) {
shouldWake = true;
Chunk* pChunk = allocateChunkExpireLRU();
if (pChunk == NULL) {
qDebug() << "ERROR: Couldn't allocate spare Chunk to make ChunkReadRequest.";
continue;
}
m_chunksBeingRead.insert(chunk, pChunk);
ChunkReadRequest request;
pChunk->chunk_number = chunk;
request.chunk = pChunk;
// qDebug() << "Requesting read of chunk" << chunk << "into" << pChunk;
// qDebug() << "Requesting read into " << request.chunk->data;
if (m_chunkReadRequestFIFO.write(&request, 1) != 1) {
qDebug() << "ERROR: Could not submit read request for "
<< chunk;
}
//qDebug() << "Checking chunk " << chunk << " shouldWake:" << shouldWake << " chunksToRead" << m_chunksToRead.size();
}
}
// If there are chunks to be read, wake up.
if (shouldWake) {
m_pWorker->workReady();
}
}
void WLibraryTableView::setTrackTableRowHeight(int rowHeight) {
QFontMetrics metrics(font());
int fontHeightPx = metrics.height();
verticalHeader()->setDefaultSectionSize(math_max(
rowHeight, fontHeightPx));
}
int pixmapIndexFromPercentage(double dPercentage, int numPixmaps) {
// See WDisplay::getActivePixmapIndex for more info on this.
int result = static_cast<int>(dPercentage * numPixmaps - 0.00001);
result = math_min(numPixmaps - 1, math_max(0, result));
return result;
}
void GLWaveformRendererSimpleSignal::draw(QPainter* painter, QPaintEvent* /*event*/) {
TrackPointer pTrack = m_waveformRenderer->getTrackInfo();
if (!pTrack) {
return;
}
ConstWaveformPointer waveform = pTrack->getWaveform();
if (waveform.isNull()) {
return;
}
const int dataSize = waveform->getDataSize();
if (dataSize <= 1) {
return;
}
const WaveformData* data = waveform->data();
if (data == NULL) {
return;
}
double firstVisualIndex = m_waveformRenderer->getFirstDisplayedPosition() * dataSize;
double lastVisualIndex = m_waveformRenderer->getLastDisplayedPosition() * dataSize;
double lineWidth = (1.0 / m_waveformRenderer->getVisualSamplePerPixel()) + 1.0;
const int firstIndex = int(firstVisualIndex+0.5);
firstVisualIndex = firstIndex - firstIndex%2;
const int lastIndex = int(lastVisualIndex+0.5);
lastVisualIndex = lastIndex + lastIndex%2;
// Reset device for native painting
painter->beginNativePainting();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
float allGain(1.0);
getGains(&allGain, NULL, NULL, NULL);
if (m_alignment == Qt::AlignCenter) {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
if (m_orientation == Qt::Vertical) {
glRotatef(90.0f, 0.0f, 0.0f, 1.0f);
glScalef(-1.0f, 1.0f, 1.0f);
}
glOrtho(firstVisualIndex, lastVisualIndex, -255.0, 255.0, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glScalef(1.f, allGain, 1.f);
glLineWidth(1.0);
glDisable(GL_LINE_SMOOTH);
//draw reference line
glBegin(GL_LINES); {
glColor4f(m_axesColor_r, m_axesColor_g,
m_axesColor_b, m_axesColor_a);
glVertex2f(firstVisualIndex,0);
glVertex2f(lastVisualIndex,0);
}
glEnd();
glLineWidth(lineWidth);
glEnable(GL_LINE_SMOOTH);
glBegin(GL_LINES); {
int firstIndex = math_max(static_cast<int>(firstVisualIndex), 0);
int lastIndex = math_min(static_cast<int>(lastVisualIndex), dataSize);
glColor4f(m_signalColor_r, m_signalColor_g, m_signalColor_b, 0.9);
for (int visualIndex = firstIndex;
visualIndex < lastIndex;
visualIndex += 2) {
GLfloat maxAll0 = data[visualIndex].filtered.all;
GLfloat maxAll1 = data[visualIndex+1].filtered.all;
glVertex2f(visualIndex, maxAll0);
glVertex2f(visualIndex, -1.f * maxAll1);
}
}
glEnd();
} else { //top || bottom
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
if (m_orientation == Qt::Vertical) {
glRotatef(90.0f, 0.0f, 0.0f, 1.0f);
glScalef(-1.0f, 1.0f, 1.0f);
}
if (m_alignment == Qt::AlignBottom || m_alignment == Qt::AlignRight)
glOrtho(firstVisualIndex, lastVisualIndex, 0.0, 255.0, -10.0, 10.0);
else
glOrtho(firstVisualIndex, lastVisualIndex, 255.0, 0.0, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glScalef(1.f, allGain, 1.f);
glLineWidth(lineWidth);
glEnable(GL_LINE_SMOOTH);
glBegin(GL_LINES); {
int firstIndex = math_max(static_cast<int>(firstVisualIndex), 0);
int lastIndex = math_min(static_cast<int>(lastVisualIndex), dataSize);
glColor4f(m_signalColor_r, m_signalColor_g, m_signalColor_b, 0.8);
for (int visualIndex = firstIndex;
visualIndex < lastIndex;
visualIndex += 2) {
GLfloat maxAll = math_max(
data[visualIndex].filtered.all,
data[visualIndex+1].filtered.all);
glVertex2f(float(visualIndex), 0.f);
glVertex2f(float(visualIndex), maxAll);
}
}
glEnd();
}
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
painter->endNativePainting();
}
bool WOverviewHSV::drawNextPixmapPart() {
ScopedTimer t("WOverviewHSV::drawNextPixmapPart");
//qDebug() << "WOverview::drawNextPixmapPart() - m_waveform" << m_waveform;
int currentCompletion;
if (!m_pWaveform) {
return false;
}
const int dataSize = m_pWaveform->getDataSize();
if (dataSize == 0 ) {
return false;
}
if (!m_pWaveformSourceImage) {
// Waveform pixmap twice the height of the viewport to be scalable
// by total_gain
// We keep full range waveform data to scale it on paint
m_pWaveformSourceImage = new QImage(dataSize / 2, 2 * 255,
QImage::Format_ARGB32_Premultiplied);
m_pWaveformSourceImage->fill(QColor(0,0,0,0).value());
}
// Always multiple of 2
const int waveformCompletion = m_pWaveform->getCompletion();
// Test if there is some new to draw (at least of pixel width)
const int completionIncrement = waveformCompletion - m_actualCompletion;
int visiblePixelIncrement = completionIncrement * width() / dataSize;
if (completionIncrement < 2 || visiblePixelIncrement == 0) {
return false;
}
if (!m_pWaveform->getMutex()->tryLock()) {
return false;
}
const int nextCompletion = m_actualCompletion + completionIncrement;
//qDebug() << "WOverview::drawNextPixmapPart() - nextCompletion:"
// << nextCompletion
// << "m_actualCompletion:" << m_actualCompletion
// << "waveformCompletion:" << waveformCompletion
// << "completionIncrement:" << completionIncrement;
QPainter painter(m_pWaveformSourceImage);
painter.translate(0.0,(double)m_pWaveformSourceImage->height()/2.0);
// Get HSV of low color
double h,s,v;
m_signalColors.getLowColor().getHsvF(&h,&s,&v);
QColor color;
float lo, hi, total;
unsigned char maxLow[2] = {0, 0};
unsigned char maxHigh[2] = {0, 0};
unsigned char maxMid[2] = {0, 0};
unsigned char maxAll[2] = {0, 0};
for (currentCompletion = m_actualCompletion;
currentCompletion < nextCompletion; currentCompletion += 2) {
maxAll[0] = m_pWaveform->getAll(currentCompletion);
maxAll[1] = m_pWaveform->getAll(currentCompletion+1);
if (maxAll[0] || maxAll[1]) {
maxLow[0] = m_pWaveform->getLow(currentCompletion);
maxLow[1] = m_pWaveform->getLow(currentCompletion+1);
maxMid[0] = m_pWaveform->getMid(currentCompletion);
maxMid[1] = m_pWaveform->getMid(currentCompletion+1);
maxHigh[0] = m_pWaveform->getHigh(currentCompletion);
maxHigh[1] = m_pWaveform->getHigh(currentCompletion+1);
total = (maxLow[0] + maxLow[1] + maxMid[0] + maxMid[1] +
maxHigh[0] + maxHigh[1]) * 1.2;
// Prevent division by zero
if( total > 0 )
{
// Normalize low and high
// (mid not need, because it not change the color)
lo = (maxLow[0] + maxLow[1]) / total;
hi = (maxHigh[0] + maxHigh[1]) / total;
}
else
lo = hi = 0.0;
// Set color
color.setHsvF(h, 1.0-hi, 1.0-lo);
painter.setPen(color);
painter.drawLine(QPoint(currentCompletion / 2, -maxAll[0]),
QPoint(currentCompletion / 2, maxAll[1]));
}
}
// Evaluate waveform ratio peak
for (currentCompletion = m_actualCompletion;
currentCompletion < nextCompletion; currentCompletion += 2) {
m_waveformPeak = math_max(m_waveformPeak,
(float)m_pWaveform->getAll(currentCompletion));
m_waveformPeak = math_max(m_waveformPeak,
(float)m_pWaveform->getAll(currentCompletion+1));
}
m_actualCompletion = nextCompletion;
m_waveformImageScaled = QImage();
m_diffGain = 0;
// Test if the complete waveform is done
if (m_actualCompletion >= dataSize - 2) {
m_pixmapDone = true;
//qDebug() << "m_waveformPeakRatio" << m_waveformPeak;
}
m_pWaveform->getMutex()->unlock();
return true;
}
