itsmattkc
2f80be437a
As opposed to simply leaving all values in the table, nodes can now "take" values that they use to free up memory (e.g. "taking" input buffers if they're used to produce an output buffer). This is a fairly large change, expect regressions.
108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/***
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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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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 "audioworker.h"
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OLIVE_NAMESPACE_ENTER
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AudioWorker::AudioWorker(QHash<Node *, Node *> *copy_map, QObject *parent) :
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AudioRenderWorker(copy_map, parent)
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{
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}
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void AudioWorker::FrameToValue(DecoderPtr decoder, StreamPtr stream, const TimeRange &range, NodeValueTable* table)
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{
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if (stream->type() != Stream::kAudio) {
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return;
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}
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if (decoder->HasConformedVersion(audio_params())) {
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SampleBufferPtr frame = decoder->RetrieveAudio(range.in(), range.out() - range.in(), audio_params());
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if (frame) {
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table->Push(NodeParam::kSamples, QVariant::fromValue(frame));
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}
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} else {
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emit ConformUnavailable(decoder->stream(), CurrentPath().range(), range.out(), audio_params());
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}
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}
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void AudioWorker::RunNodeAccelerated(const Node *node, const TimeRange &range, NodeValueDatabase &input_params_in, NodeValueTable &output_params)
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{
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// Check if node processes samples
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if (!(node->GetCapabilities(input_params_in) & Node::kSampleProcessor)) {
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return;
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}
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// Copy database so we can make some temporary modifications to it
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NodeValueDatabase input_params = input_params_in;
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NodeInput* sample_input = node->ProcessesSamplesFrom(input_params);
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// Try to find the sample buffer in the table
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QVariant samples_var = input_params[sample_input].Get(NodeParam::kSamples);
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// If there isn't one, there's nothing to do
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if (samples_var.isNull()) {
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return;
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}
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SampleBufferPtr input_buffer = samples_var.value<SampleBufferPtr>();
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if (!input_buffer) {
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return;
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}
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SampleBufferPtr output_buffer = SampleBuffer::CreateAllocated(input_buffer->audio_params(), input_buffer->sample_count_per_channel());
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int sample_count = input_buffer->sample_count_per_channel();
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// FIXME: Hardcoded float sample format
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for (int i=0;i<sample_count;i++) {
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// Calculate the exact rational time at this sample
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int sample_out_of_channel = i / audio_params().channel_count();
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double sample_to_second = static_cast<double>(sample_out_of_channel) / static_cast<double>(audio_params().sample_rate());
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rational this_sample_time = rational::fromDouble(range.in().toDouble() + sample_to_second);
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// Update all non-sample and non-footage inputs
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foreach (NodeParam* param, node->parameters()) {
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if (param->type() == NodeParam::kInput
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&& param != sample_input) {
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NodeInput* input = static_cast<NodeInput*>(param);
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// If the input isn't keyframing, we don't need to update it unless it's connected, in which case it may change
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if (input->IsConnected() || input->is_keyframing()) {
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input_params.Insert(input, ProcessInput(input, TimeRange(this_sample_time, this_sample_time)));
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}
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}
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}
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node->ProcessSamples(input_params,
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audio_params(),
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input_buffer,
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output_buffer,
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i);
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}
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output_params.Push(NodeParam::kSamples, QVariant::fromValue(output_buffer));
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}
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OLIVE_NAMESPACE_EXIT
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