itsmattkc
1aa87cbda6
Large-scale code cleanup. Also adds a license to the top of all files that were missing it.
152 lines
3.8 KiB
C++
152 lines
3.8 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 "renderworker.h"
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#include <QThread>
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#include "node/block/block.h"
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OLIVE_NAMESPACE_ENTER
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RenderWorker::RenderWorker(DecoderCache *decoder_cache, QObject *parent) :
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QObject(parent),
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started_(false),
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decoder_cache_(decoder_cache)
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{
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}
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bool RenderWorker::Init()
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{
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if (started_) {
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return true;
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}
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if (!(started_ = InitInternal())) {
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Close();
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}
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return started_;
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}
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void RenderWorker::Close()
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{
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CloseInternal();
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started_ = false;
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}
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void RenderWorker::Render(NodeDependency path, qint64 job_time)
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{
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path_ = path;
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emit CompletedCache(path, RenderInternal(path, job_time), job_time);
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}
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NodeValueTable RenderWorker::RenderInternal(const NodeDependency &path, const qint64 &job_time)
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{
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Q_UNUSED(job_time)
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return ProcessNode(path);
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}
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void RenderWorker::RunNodeAccelerated(const Node *node, const TimeRange &range, const NodeValueDatabase &input_params, NodeValueTable* output_params)
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{
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Q_UNUSED(node)
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Q_UNUSED(range)
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Q_UNUSED(input_params)
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Q_UNUSED(output_params)
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}
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StreamPtr RenderWorker::ResolveStreamFromInput(NodeInput *input)
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{
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return input->get_value_at_time(0).value<StreamPtr>();
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}
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DecoderPtr RenderWorker::ResolveDecoderFromInput(StreamPtr stream)
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{
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QMutexLocker locker(decoder_cache_->lock());
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// Access a map of Node inputs and decoder instances and retrieve a frame!
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DecoderPtr decoder = decoder_cache_->Get(stream.get());
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if (!decoder && stream) {
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// Create a new Decoder here
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decoder = Decoder::CreateFromID(stream->footage()->decoder());
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decoder->set_stream(stream);
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if (decoder->Open()) {
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decoder_cache_->Add(stream.get(), decoder);
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} else {
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decoder = nullptr;
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qWarning() << "Failed to open decoder for" << stream->footage()->filename() << "::" << stream->index();
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}
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}
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return decoder;
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}
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bool RenderWorker::IsStarted()
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{
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return started_;
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}
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void RenderWorker::ReportUnavailableFootage(StreamPtr stream, Decoder::RetrieveState state, const rational& stream_time)
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{
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emit FootageUnavailable(stream, state, path_.range(), stream_time);
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}
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void RenderWorker::InputProcessingEvent(NodeInput* input, const TimeRange& input_time, NodeValueTable *table)
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{
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// Exception for Footage types where we actually retrieve some Footage data from a decoder
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if (input->data_type() == NodeParam::kFootage) {
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StreamPtr stream = ResolveStreamFromInput(input);
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if (stream) {
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DecoderPtr decoder = ResolveDecoderFromInput(stream);
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if (decoder) {
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Decoder::RetrieveState state = decoder->GetRetrieveState(input_time.out());
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if (state == Decoder::kReady) {
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FrameToValue(decoder, stream, input_time, table);
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} else {
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ReportUnavailableFootage(stream, state, input_time.out());
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}
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}
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}
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}
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}
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void RenderWorker::ProcessNodeEvent(const Node *node, const TimeRange &range, const NodeValueDatabase &input_params, NodeValueTable* output_params)
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{
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// Check if we have a shader for this output
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RunNodeAccelerated(node, range, input_params, output_params);
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}
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const NodeDependency &RenderWorker::CurrentPath() const
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{
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return path_;
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}
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OLIVE_NAMESPACE_EXIT
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