itsmattkc
c2e47a296c
Features a lot of timeline-related cache optimizations as well as general optimizations and improvements in timeline behavior. Should improve usability significantly.
348 lines
11 KiB
C++
348 lines
11 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 <QDir>
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#include "audio/audiovisualwaveform.h"
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#include "common/functiontimer.h"
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#include "config/config.h"
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#include "node/block/clip/clip.h"
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#include "task/conform/conform.h"
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#include "renderbackend.h"
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OLIVE_NAMESPACE_ENTER
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RenderWorker::RenderWorker(RenderBackend* parent) :
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parent_(parent),
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available_(true),
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audio_mode_is_preview_(false)
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{
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}
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void RenderWorker::RenderFrame(RenderTicketPtr ticket, ViewerOutput* viewer, const rational &time)
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{
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NodeValueTable table = ProcessInput(viewer->texture_input(),
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TimeRange(time, time + video_params_.time_base()));
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QVariant texture = table.Get(NodeParam::kTexture);
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FramePtr frame = Frame::Create();
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frame->set_video_params(video_params_);
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frame->set_timestamp(time);
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frame->allocate();
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if (texture.isNull()) {
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// Blank frame out
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memset(frame->data(), 0, frame->allocated_size());
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} else {
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// Dump texture contents to frame
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TextureToFrame(texture, frame, video_download_matrix_);
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}
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ticket->Finish(QVariant::fromValue(frame));
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emit FinishedJob();
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}
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void RenderWorker::RenderAudio(RenderTicketPtr ticket, ViewerOutput* viewer, const TimeRange &range)
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{
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NodeValueTable table = ProcessInput(viewer->samples_input(), range);
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QVariant samples = table.Get(NodeParam::kSamples);
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ticket->Finish(samples);
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emit FinishedJob();
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}
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NodeValueTable RenderWorker::GenerateBlockTable(const TrackOutput *track, const TimeRange &range)
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{
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if (track->track_type() == Timeline::kTrackTypeAudio) {
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QList<Block*> active_blocks = track->BlocksAtTimeRange(range);
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// All these blocks will need to output to a buffer so we create one here
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SampleBufferPtr block_range_buffer = SampleBuffer::CreateAllocated(audio_params_,
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audio_params_.time_to_samples(range.length()));
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block_range_buffer->fill(0);
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NodeValueTable merged_table;
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// Loop through active blocks retrieving their audio
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foreach (Block* b, active_blocks) {
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TimeRange range_for_block(qMax(b->in(), range.in()),
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qMin(b->out(), range.out()));
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int destination_offset = audio_params_.time_to_samples(range_for_block.in() - range.in());
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int max_dest_sz = audio_params_.time_to_samples(range_for_block.length());
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// Destination buffer
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NodeValueTable table = GenerateTable(b, range_for_block);
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QVariant sample_val = table.Take(NodeParam::kSamples);
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SampleBufferPtr samples_from_this_block;
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if (sample_val.isNull()
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|| !(samples_from_this_block = sample_val.value<SampleBufferPtr>())) {
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// If we retrieved no samples from this block, do nothing
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continue;
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}
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// Stretch samples here
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rational abs_speed = qAbs(b->speed());
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if (abs_speed != 1) {
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samples_from_this_block->speed(abs_speed.toDouble());
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}
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if (b->is_reversed()) {
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// Reverse the audio buffer
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samples_from_this_block->reverse();
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}
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int copy_length = qMin(max_dest_sz, samples_from_this_block->sample_count());
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// Copy samples into destination buffer
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block_range_buffer->set(samples_from_this_block->const_data(), destination_offset, copy_length);
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if (b->type() == Block::kClip) {
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// Save waveform to file
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ClipBlock* src_block = static_cast<ClipBlock*>(copy_map_->key(b));
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AudioVisualWaveform& clip_waveform = src_block->waveform();
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clip_waveform.set_channel_count(audio_params_.channel_count());
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clip_waveform.OverwriteSamples(samples_from_this_block,
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audio_params_.sample_rate(),
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range_for_block.in() - b->in());
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emit static_cast<ClipBlock*>(src_block)->PreviewUpdated();
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}
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NodeValueTable::Merge({merged_table, table});
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}
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merged_table.Push(NodeParam::kSamples, QVariant::fromValue(block_range_buffer));
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return merged_table;
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} else {
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return NodeTraverser::GenerateBlockTable(track, range);
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}
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}
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void RenderWorker::ProcessNodeEvent(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());
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int sample_count = input_buffer->sample_count();
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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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void RenderWorker::FootageProcessingEvent(StreamPtr stream, const TimeRange &input_time, NodeValueTable *table)
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{
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if (stream->type() == Stream::kVideo || stream->type() == Stream::kImage) {
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ImageStreamPtr video_stream = std::static_pointer_cast<ImageStream>(stream);
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rational time_match = (stream->type() == Stream::kImage) ? rational() : input_time.in();
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QString colorspace_match = video_stream->get_colorspace_match_string();
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NodeValue value;
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bool found_cache = false;
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if (still_image_cache_.contains(stream.get())) {
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const CachedStill& cs = still_image_cache_[stream.get()];
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if (cs.colorspace == colorspace_match
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&& cs.alpha_is_associated == video_stream->premultiplied_alpha()
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&& cs.divider == video_params_.divider()
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&& cs.time == time_match) {
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value = cs.texture;
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found_cache = true;
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} else {
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still_image_cache_.remove(stream.get());
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}
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}
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if (!found_cache) {
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value = GetDataFromStream(stream, input_time);
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still_image_cache_.insert(stream.get(), {value,
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colorspace_match,
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video_stream->premultiplied_alpha(),
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video_params_.divider(),
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time_match});
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}
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table->Push(value);
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} else if (stream->type() == Stream::kAudio) {
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table->Push(GetDataFromStream(stream, input_time));
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}
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}
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NodeValue RenderWorker::GetDataFromStream(StreamPtr stream, const TimeRange &input_time)
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{
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DecoderPtr decoder = ResolveDecoderFromInput(stream);
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if (decoder) {
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if (stream->type() == Stream::kVideo || stream->type() == Stream::kImage) {
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// Return a texture from the derived class
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return FrameToTexture(decoder, stream, input_time);
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} else if (stream->type() == Stream::kAudio) {
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// See if we have a conformed version of this audio
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if (!decoder->HasConformedVersion(audio_params())) {
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// If not, check what audio mode we're in
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if (audio_mode_is_preview_) {
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// For preview, we report the conform is missing and finish the render without it
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// temporarily. The backend that picks up this signal will recache this section once the
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// conform is available.
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emit AudioConformUnavailable(decoder->stream(),
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audio_render_time_,
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input_time.out(),
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audio_params());
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} else {
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// For online rendering/export, it's a waste of time to render the audio until we have
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// all we need, so we try to handle the conform ourselves
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AudioStreamPtr as = std::static_pointer_cast<AudioStream>(stream);
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// Check if any other threads are conforming this audio
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if (as->try_start_conforming(audio_params())) {
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// If not, conform it ourselves
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decoder->ConformAudio(&IsCancelled(), audio_params());
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} else {
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// If another thread is conforming already, hackily try to wait until it's done.
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do {
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QThread::msleep(1000);
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} while (!as->has_conformed_version(audio_params()) && !IsCancelled());
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}
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}
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}
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if (decoder->HasConformedVersion(audio_params())) {
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SampleBufferPtr frame = decoder->RetrieveAudio(input_time.in(), input_time.length(),
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audio_params());
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if (frame) {
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return NodeValue(NodeParam::kSamples, QVariant::fromValue(frame));
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}
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}
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}
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}
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return NodeValue();
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}
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DecoderPtr RenderWorker::ResolveDecoderFromInput(StreamPtr stream)
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{
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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_.value(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_.insert(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()
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<< "::" << stream->index();
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}
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}
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return decoder;
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}
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OLIVE_NAMESPACE_EXIT
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