base audio renderer classes created
This commit is contained in:
itsmattkc
@@ -0,0 +1,28 @@
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# Olive - Non-Linear Video Editor
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# Copyright (C) 2019 Olive Team
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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set(OLIVE_SOURCES
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${OLIVE_SOURCES}
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node/processor/audiorenderer/audiorenderer.h
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node/processor/audiorenderer/audiorenderer.cpp
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node/processor/audiorenderer/audiorendererparams.h
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node/processor/audiorenderer/audiorendererparams.cpp
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node/processor/audiorenderer/audiorendererthread.h
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node/processor/audiorenderer/audiorendererthread.cpp
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node/processor/audiorenderer/audiorendererthreadbase.h
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node/processor/audiorenderer/audiorendererthreadbase.cpp
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PARENT_SCOPE
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)
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@@ -0,0 +1,342 @@
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/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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||||
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "audiorenderer.h"
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#include <QApplication>
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#include <QCryptographicHash>
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#include <QDateTime>
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#include <QDebug>
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#include <QDir>
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#include <QtMath>
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#include "common/filefunctions.h"
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#include "render/pixelservice.h"
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AudioRendererProcessor::AudioRendererProcessor() :
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started_(false),
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caching_(false),
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starting_(false)
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{
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texture_input_ = new NodeInput("tex_in");
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texture_input_->add_data_input(NodeInput::kTexture);
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AddParameter(texture_input_);
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length_input_ = new NodeInput("length_in");
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length_input_->add_data_input(NodeInput::kRational);
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AddParameter(length_input_);
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texture_output_ = new NodeOutput("tex_out");
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texture_output_->set_data_type(NodeInput::kTexture);
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AddParameter(texture_output_);
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}
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QString AudioRendererProcessor::Name()
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{
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return tr("Audio Renderer");
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}
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QString AudioRendererProcessor::Category()
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{
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return tr("Processor");
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}
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QString AudioRendererProcessor::Description()
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{
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return tr("A multi-threaded PCM audio renderer.");
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}
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QString AudioRendererProcessor::id()
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{
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return "org.olivevideoeditor.Olive.rendererneptune";
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}
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void AudioRendererProcessor::SetCacheName(const QString &s)
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{
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cache_name_ = s;
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cache_time_ = QDateTime::currentMSecsSinceEpoch();
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GenerateCacheIDInternal();
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}
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QVariant AudioRendererProcessor::Value(NodeOutput* output, const rational& time)
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{
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Q_UNUSED(output)
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Q_UNUSED(time)
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/*if (output == texture_output_) {
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if (!texture_input_->IsConnected()) {
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// Nothing is connected - nothing to show or render
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return 0;
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}
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if (cache_id_.isEmpty()) {
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qWarning() << "RendererProcessor has no cache ID";
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return 0;
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}
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if (timebase_.isNull()) {
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qWarning() << "RendererProcessor has no timebase";
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return 0;
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}
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// Find frame in map
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if (time_hash_map_.contains(time)) {
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QString fn = CachePathName(time_hash_map_[time]);
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if (QFileInfo::exists(fn)) {
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auto in = OIIO::ImageInput::open(fn.toStdString());
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if (in) {
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in->read_image(PixelService::GetPixelFormatInfo(format_).oiio_desc, cache_frame_load_buffer_.data());
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in->close();
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master_texture_->Upload(cache_frame_load_buffer_.data());
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return QVariant::fromValue(master_texture_);
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} else {
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qWarning() << "OIIO Error:" << OIIO::geterror().c_str();
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}
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}
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}
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}*/
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return 0;
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}
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void AudioRendererProcessor::Release()
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{
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Stop();
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}
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void AudioRendererProcessor::InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from)
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{
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Q_UNUSED(from)
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if (timebase_.isNull()) {
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return;
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}
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//ClearCachedValuesInParameters(start_range, end_range);
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texture_input_->ClearCachedValue();
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length_input_->ClearCachedValue();
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// Adjust range to min/max values
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rational start_range_adj = qMax(rational(0), start_range);
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rational end_range_adj = qMin(length_input()->get_value(0).value<rational>(), end_range);
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qDebug() << "Cache invalidated between"
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<< start_range_adj.toDouble()
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<< "and"
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<< end_range_adj.toDouble();
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// Snap start_range to timebase
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double start_range_dbl = start_range_adj.toDouble();
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double start_range_numf = start_range_dbl * static_cast<double>(timebase_.denominator());
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int64_t start_range_numround = qFloor(start_range_numf/static_cast<double>(timebase_.numerator())) * timebase_.numerator();
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rational true_start_range(start_range_numround, timebase_.denominator());
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for (rational r=true_start_range;r<=end_range_adj;r+=timebase_) {
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// Try to order the queue from closest to the playhead to furthest
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rational last_time = texture_output()->LastRequestedTime();
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rational diff = r - last_time;
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if (diff < 0) {
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// FIXME: Hardcoded number
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// If the number is before the playhead, we still prioritize its closeness but not nearly as much (5:1 in this
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// example)
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diff = qAbs(diff) * 5;
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}
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bool contains = false;
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bool added = false;
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QLinkedList<rational>::iterator insert_iterator;
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for (QLinkedList<rational>::iterator i = cache_queue_.begin();i != cache_queue_.end();i++) {
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rational compare = *i;
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if (!added) {
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rational compare_diff = compare - last_time;
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if (compare_diff > diff) {
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insert_iterator = i;
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added = true;
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}
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}
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if (compare == r) {
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contains = true;
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break;
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}
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}
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if (!contains) {
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if (added) {
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cache_queue_.insert(insert_iterator, r);
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} else {
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cache_queue_.append(r);
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}
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}
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}
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CacheNext();
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}
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void AudioRendererProcessor::SetTimebase(const rational &timebase)
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{
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timebase_ = timebase;
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timebase_dbl_ = timebase_.toDouble();
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}
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void AudioRendererProcessor::SetParameters(const int &sample_rate,
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const uint64_t &channel_layout,
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const olive::SampleFormat &format)
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{
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// Since we're changing parameters, all the existing threads are invalid and must be removed. They will start again
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// next time this Node has to process anything.
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Stop();
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// Set new parameters
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sample_rate_ = sample_rate;
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channel_layout_ = channel_layout;
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format_ = format;
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// Regenerate the cache ID
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GenerateCacheIDInternal();
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}
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void AudioRendererProcessor::Start()
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{
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if (started_) {
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return;
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}
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int background_thread_count = QThread::idealThreadCount();
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threads_.resize(background_thread_count);
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for (int i=0;i<threads_.size();i++) {
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threads_[i] = std::make_shared<AudioRendererThread>(sample_rate_, channel_layout_, format_);
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threads_[i]->StartThread(QThread::LowPriority);
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// Ensure this connection is "Queued" so that it always runs in this object's threaded rather than any of the
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// other threads
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connect(threads_.at(i).get(),
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SIGNAL(RequestSibling(NodeDependency)),
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this,
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SLOT(ThreadRequestSibling(NodeDependency)),
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Qt::QueuedConnection);
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}
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// Connect first thread (master thread) to the callback
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connect(threads_.first().get(),
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SIGNAL(CachedFrame(RenderTexturePtr, const rational&, const QByteArray&)),
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this,
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SLOT(ThreadCallback(RenderTexturePtr, const rational&, const QByteArray&)),
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Qt::QueuedConnection);
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connect(threads_.first().get(),
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SIGNAL(FrameSkipped(const rational&, const QByteArray&)),
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this,
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SLOT(ThreadSkippedFrame(const rational&, const QByteArray&)),
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Qt::QueuedConnection);
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started_ = true;
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}
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void AudioRendererProcessor::Stop()
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{
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if (!started_) {
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return;
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}
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started_ = false;
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foreach (AudioRendererThreadPtr process_thread, threads_) {
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process_thread->Cancel();
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}
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threads_.clear();
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}
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void AudioRendererProcessor::GenerateCacheIDInternal()
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{
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if (cache_name_.isEmpty() || sample_rate_ == 0 || channel_layout_ == 0) {
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return;
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}
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// Generate an ID that is more or less guaranteed to be unique to this Sequence
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QCryptographicHash hash(QCryptographicHash::Sha1);
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hash.addData(cache_name_.toUtf8());
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hash.addData(QString::number(cache_time_).toUtf8());
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hash.addData(QString::number(sample_rate_).toUtf8());
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hash.addData(QString::number(channel_layout_).toUtf8());
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hash.addData(QString::number(format_).toUtf8());
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QByteArray bytes = hash.result();
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cache_id_ = bytes.toHex();
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}
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void AudioRendererProcessor::CacheNext()
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{
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if (cache_queue_.isEmpty() || !texture_input_->IsConnected() || caching_) {
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return;
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}
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// Make sure cache has started
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Start();
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rational cache_frame = cache_queue_.takeFirst();
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qDebug() << "Caching" << cache_frame.toDouble();
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caching_ = true;
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}
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AudioRendererThreadBase *AudioRendererProcessor::CurrentThread()
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{
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return dynamic_cast<AudioRendererThreadBase*>(QThread::currentThread());
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}
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AudioRendererParams *AudioRendererProcessor::CurrentInstance()
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{
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AudioRendererThreadBase* thread = CurrentThread();
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if (thread != nullptr) {
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return thread->params();
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}
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return nullptr;
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}
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NodeInput *AudioRendererProcessor::texture_input()
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{
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return texture_input_;
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}
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NodeInput *AudioRendererProcessor::length_input()
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{
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return length_input_;
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}
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NodeOutput *AudioRendererProcessor::texture_output()
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{
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return texture_output_;
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}
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@@ -0,0 +1,177 @@
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/***
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Olive - Non-Linear Video Editor
|
||||
Copyright (C) 2019 Olive Team
|
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|
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This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
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***/
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#ifndef AUDIORENDERER_H
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#define AUDIORENDERER_H
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#include <QLinkedList>
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#include <QOpenGLTexture>
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#include "node/node.h"
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#include "render/pixelformat.h"
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#include "render/rendermodes.h"
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#include "audiorendererthread.h"
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/**
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* @brief A multithreaded PCM audio renderer
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*/
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class AudioRendererProcessor : public Node
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{
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Q_OBJECT
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public:
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/**
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* @brief Renderer Constructor
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*
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* Constructing a Renderer object will not start any threads/backend on its own. Use Start() to do this and Stop()
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* when the Renderer is about to be destroyed.
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*/
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AudioRendererProcessor();
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virtual QString Name() override;
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virtual QString Category() override;
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virtual QString Description() override;
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virtual QString id() override;
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|
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void SetCacheName(const QString& s);
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|
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virtual void Release() override;
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|
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virtual void InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from = nullptr) override;
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|
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void SetTimebase(const rational& timebase);
|
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|
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/**
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* @brief Set parameters of the Renderer
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*
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* The Renderer owns the buffers that are used in the rendering process and this function sets the kind of buffers
|
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* to use. The Renderer must be stopped when calling this function.
|
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*
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* @param width
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*
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* Buffer width
|
||||
*
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* @param height
|
||||
*
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* Buffer height
|
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*
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||||
* @param format
|
||||
*
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* Buffer pixel format
|
||||
*/
|
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void SetParameters(const int& sample_rate,
|
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const uint64_t& channel_layout,
|
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const olive::SampleFormat& format);
|
||||
|
||||
/**
|
||||
* @brief Return whether a frame is currently being cached
|
||||
*/
|
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bool IsCaching(const QByteArray& hash);
|
||||
|
||||
/**
|
||||
* @brief Check if a frame is currently being cached, and if not reserve it
|
||||
*/
|
||||
bool TryCache(const QByteArray& hash);
|
||||
|
||||
/**
|
||||
* @brief Return current instance of a RenderThread (or nullptr if there is none)
|
||||
*
|
||||
* This function attempts a dynamic_cast on QThread::currentThread() to RendererThread, which will return nullptr if
|
||||
* the cast fails (e.g. if this function is called from the main thread rather than a RendererThread).
|
||||
*/
|
||||
static AudioRendererThreadBase* CurrentThread();
|
||||
|
||||
static AudioRendererParams* CurrentInstance();
|
||||
|
||||
NodeInput* texture_input();
|
||||
|
||||
NodeInput* length_input();
|
||||
|
||||
NodeOutput* texture_output();
|
||||
|
||||
protected:
|
||||
virtual QVariant Value(NodeOutput* output, const rational& time) override;
|
||||
|
||||
private:
|
||||
struct HashTimeMapping {
|
||||
rational time;
|
||||
QByteArray hash;
|
||||
};
|
||||
|
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/**
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* @brief Allocate and start the multithreaded backend
|
||||
*/
|
||||
void Start();
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||||
|
||||
/**
|
||||
* @brief Terminate and deallocate the multithreaded backend
|
||||
*/
|
||||
void Stop();
|
||||
|
||||
/**
|
||||
* @brief Internal function for generating the cache ID
|
||||
*/
|
||||
void GenerateCacheIDInternal();
|
||||
|
||||
/**
|
||||
* @brief Function called when there are frames in the queue to cache
|
||||
*
|
||||
* This function is NOT thread-safe and should only be called in the main thread.
|
||||
*/
|
||||
void CacheNext();
|
||||
|
||||
bool ShouldPushTexture(const rational &time);
|
||||
|
||||
/**
|
||||
* @brief Internal list of RenderProcessThreads
|
||||
*/
|
||||
QVector<AudioRendererThreadPtr> threads_;
|
||||
|
||||
/**
|
||||
* @brief Internal variable that contains whether the Renderer has started or not
|
||||
*/
|
||||
bool started_;
|
||||
|
||||
NodeInput* texture_input_;
|
||||
|
||||
NodeInput* length_input_;
|
||||
|
||||
NodeOutput* texture_output_;
|
||||
|
||||
rational timebase_;
|
||||
double timebase_dbl_;
|
||||
|
||||
int sample_rate_;
|
||||
uint64_t channel_layout_;
|
||||
olive::SampleFormat format_;
|
||||
|
||||
QLinkedList<rational> cache_queue_;
|
||||
QString cache_name_;
|
||||
qint64 cache_time_;
|
||||
QString cache_id_;
|
||||
|
||||
bool caching_;
|
||||
|
||||
bool starting_;
|
||||
|
||||
private slots:
|
||||
|
||||
};
|
||||
|
||||
#endif // AUDIORENDERER_H
|
||||
@@ -0,0 +1,23 @@
|
||||
#include "audiorendererparams.h"
|
||||
|
||||
AudioRendererParams::AudioRendererParams(const int &sample_rate, const uint64_t &channel_layout, const olive::SampleFormat &format) :
|
||||
sample_rate_(sample_rate),
|
||||
channel_layout_(channel_layout),
|
||||
format_(format)
|
||||
{
|
||||
}
|
||||
|
||||
const int &AudioRendererParams::sample_rate()
|
||||
{
|
||||
return sample_rate_;
|
||||
}
|
||||
|
||||
const uint64_t &AudioRendererParams::channel_layout()
|
||||
{
|
||||
return channel_layout_;
|
||||
}
|
||||
|
||||
const olive::SampleFormat &AudioRendererParams::format()
|
||||
{
|
||||
return format_;
|
||||
}
|
||||
@@ -0,0 +1,28 @@
|
||||
#ifndef AUDIORENDERERPARAMS_H
|
||||
#define AUDIORENDERERPARAMS_H
|
||||
|
||||
#include <QtGlobal>
|
||||
|
||||
#include "audio/sampleformat.h"
|
||||
|
||||
class AudioRendererParams
|
||||
{
|
||||
public:
|
||||
AudioRendererParams(const int& sample_rate, const uint64_t& channel_layout, const olive::SampleFormat& format);
|
||||
|
||||
const int& sample_rate();
|
||||
|
||||
const uint64_t& channel_layout();
|
||||
|
||||
const olive::SampleFormat& format();
|
||||
|
||||
private:
|
||||
int sample_rate_;
|
||||
|
||||
uint64_t channel_layout_;
|
||||
|
||||
olive::SampleFormat format_;
|
||||
|
||||
};
|
||||
|
||||
#endif // AUDIORENDERERPARAMS_H
|
||||
@@ -0,0 +1,23 @@
|
||||
#include "audiorendererthread.h"
|
||||
|
||||
AudioRendererThread::AudioRendererThread(const int &sample_rate, const uint64_t &channel_layout, const olive::SampleFormat &format) :
|
||||
AudioRendererThreadBase(sample_rate, channel_layout, format),
|
||||
cancelled_(false)
|
||||
{
|
||||
}
|
||||
|
||||
void AudioRendererThread::Cancel()
|
||||
{
|
||||
cancelled_ = true;
|
||||
|
||||
mutex_.lock();
|
||||
wait_cond_.wakeAll();
|
||||
mutex_.unlock();
|
||||
|
||||
wait();
|
||||
}
|
||||
|
||||
void AudioRendererThread::ProcessLoop()
|
||||
{
|
||||
|
||||
}
|
||||
@@ -0,0 +1,26 @@
|
||||
#ifndef AUDIORENDERERTHREAD_H
|
||||
#define AUDIORENDERERTHREAD_H
|
||||
|
||||
#include "audiorendererthreadbase.h"
|
||||
|
||||
class AudioRendererThread : public AudioRendererThreadBase
|
||||
{
|
||||
Q_OBJECT
|
||||
public:
|
||||
AudioRendererThread(const int& sample_rate,
|
||||
const uint64_t& channel_layout,
|
||||
const olive::SampleFormat& format);
|
||||
|
||||
public slots:
|
||||
virtual void Cancel() override;
|
||||
|
||||
protected:
|
||||
virtual void ProcessLoop() override;
|
||||
|
||||
private:
|
||||
bool cancelled_;
|
||||
};
|
||||
|
||||
using AudioRendererThreadPtr = std::shared_ptr<AudioRendererThread>;
|
||||
|
||||
#endif // AUDIORENDERERTHREAD_H
|
||||
@@ -0,0 +1,69 @@
|
||||
/***
|
||||
|
||||
Olive - Non-Linear Video Editor
|
||||
Copyright (C) 2019 Olive Team
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
***/
|
||||
|
||||
#include "audiorendererthreadbase.h"
|
||||
|
||||
#include <QDebug>
|
||||
|
||||
AudioRendererThreadBase::AudioRendererThreadBase(const int &sample_rate, const uint64_t &channel_layout, const olive::SampleFormat &format) :
|
||||
audio_params_(sample_rate, channel_layout, format)
|
||||
{
|
||||
}
|
||||
|
||||
AudioRendererParams *AudioRendererThreadBase::params()
|
||||
{
|
||||
return &audio_params_;
|
||||
}
|
||||
|
||||
void AudioRendererThreadBase::run()
|
||||
{
|
||||
// Lock mutex for main loop
|
||||
mutex_.lock();
|
||||
|
||||
// Signal that main thread can continue now
|
||||
WakeCaller();
|
||||
|
||||
// Main loop (use Cancel() to exit it)
|
||||
ProcessLoop();
|
||||
|
||||
// Unlock mutex before exiting
|
||||
mutex_.unlock();
|
||||
}
|
||||
|
||||
void AudioRendererThreadBase::WakeCaller()
|
||||
{
|
||||
// Signal that main thread can continue now
|
||||
caller_mutex_.lock();
|
||||
wait_cond_.wakeAll();
|
||||
caller_mutex_.unlock();
|
||||
}
|
||||
|
||||
void AudioRendererThreadBase::StartThread(QThread::Priority priority)
|
||||
{
|
||||
caller_mutex_.lock();
|
||||
|
||||
// Start the thread
|
||||
QThread::start(priority);
|
||||
|
||||
// Wait for thread to finish completion
|
||||
wait_cond_.wait(&caller_mutex_);
|
||||
|
||||
caller_mutex_.unlock();
|
||||
}
|
||||
@@ -0,0 +1,65 @@
|
||||
/***
|
||||
|
||||
Olive - Non-Linear Video Editor
|
||||
Copyright (C) 2019 Olive Team
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
***/
|
||||
|
||||
#ifndef AUDIORENDERTHREADBASE_H
|
||||
#define AUDIORENDERTHREADBASE_H
|
||||
|
||||
#include <memory>
|
||||
#include <QMutex>
|
||||
#include <QThread>
|
||||
#include <QWaitCondition>
|
||||
|
||||
#include "audiorendererparams.h"
|
||||
#include "node/node.h"
|
||||
|
||||
class AudioRendererThreadBase : public QThread
|
||||
{
|
||||
Q_OBJECT
|
||||
public:
|
||||
AudioRendererThreadBase(const int& sample_rate,
|
||||
const uint64_t& channel_layout,
|
||||
const olive::SampleFormat& format);
|
||||
|
||||
AudioRendererParams* params();
|
||||
|
||||
void StartThread(Priority priority = InheritPriority);
|
||||
|
||||
virtual void run() override;
|
||||
|
||||
public slots:
|
||||
virtual void Cancel() = 0;
|
||||
|
||||
protected:
|
||||
virtual void ProcessLoop() = 0;
|
||||
|
||||
QWaitCondition wait_cond_;
|
||||
|
||||
QMutex mutex_;
|
||||
|
||||
QMutex caller_mutex_;
|
||||
|
||||
private:
|
||||
void WakeCaller();
|
||||
|
||||
AudioRendererParams audio_params_;
|
||||
|
||||
};
|
||||
|
||||
#endif // RENDERTHREAD_H
|
||||
Reference in New Issue
Block a user