itsmattkc
6c30f8cf46
Not accessible through UI yet, but ported Footage node to it (previously we used a hack to ensure Footage textures were cached, now it's a formal infrastructure).
602 lines
22 KiB
C++
602 lines
22 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 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 "renderprocessor.h"
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#include <QOpenGLContext>
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#include <QVector2D>
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#include <QVector3D>
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#include <QVector4D>
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#include "node/project/project.h"
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#include "rendermanager.h"
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namespace olive {
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RenderProcessor::RenderProcessor(RenderTicketPtr ticket, Renderer *render_ctx, StillImageCache* still_image_cache, DecoderCache* decoder_cache, ShaderCache *shader_cache, QVariant default_shader) :
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ticket_(ticket),
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render_ctx_(render_ctx),
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still_image_cache_(still_image_cache),
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decoder_cache_(decoder_cache),
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shader_cache_(shader_cache),
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default_shader_(default_shader)
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{
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}
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void RenderProcessor::Run()
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{
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// Depending on the render ticket type, start a job
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RenderManager::TicketType type = ticket_->property("type").value<RenderManager::TicketType>();
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ticket_->Start();
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if (ticket_->WasCancelled()) {
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return;
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}
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switch (type) {
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case RenderManager::kTypeVideo:
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{
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ViewerOutput* viewer = Node::ValueToPtr<ViewerOutput>(ticket_->property("viewer"));
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const VideoParams& video_params = ticket_->property("vparam").value<VideoParams>();
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rational time = ticket_->property("time").value<rational>();
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NodeValueTable table;
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NodeOutput texture_output = viewer->GetConnectedTextureOutput();
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if (texture_output.IsValid()) {
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table = GenerateTable(texture_output.node(), texture_output.output(),
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TimeRange(time, time + video_params.frame_rate_as_time_base()));
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}
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TexturePtr texture = table.Get(NodeValue::kTexture).value<TexturePtr>();
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// Set up output frame parameters
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VideoParams frame_params = ticket_->property("vparam").value<VideoParams>();
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QSize frame_size = ticket_->property("size").value<QSize>();
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if (!frame_size.isNull()) {
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frame_params.set_width(frame_size.width());
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frame_params.set_height(frame_size.height());
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}
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VideoParams::Format frame_format = static_cast<VideoParams::Format>(ticket_->property("format").toInt());
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if (frame_format != VideoParams::kFormatInvalid) {
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frame_params.set_format(frame_format);
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}
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if (RenderManager::instance()->backend() == RenderManager::kOpenGL
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&& QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGLES) {
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// HACK: From what I can tell, ANGLE only supports texture reading to RGBA
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frame_params.set_channel_count(VideoParams::kRGBAChannelCount);
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} else if (texture) {
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frame_params.set_channel_count(texture->channel_count());
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}
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FramePtr frame = Frame::Create();
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frame->set_timestamp(time);
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frame->set_video_params(frame_params);
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frame->allocate();
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if (!texture) {
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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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ColorProcessorPtr output_color_transform = ticket_->property("coloroutput").value<ColorProcessorPtr>();
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const VideoParams& tex_params = texture->params();
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if (tex_params.effective_width() != frame_params.effective_width()
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|| tex_params.effective_height() != frame_params.effective_height()
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|| tex_params.format() != frame_params.format()
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|| output_color_transform) {
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TexturePtr blit_tex = render_ctx_->CreateTexture(frame_params);
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QMatrix4x4 matrix = ticket_->property("matrix").value<QMatrix4x4>();
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if (output_color_transform) {
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// Yes color transform, blit color managed
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render_ctx_->BlitColorManaged(output_color_transform, texture, true, blit_tex.get(), true, matrix);
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} else {
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// No color transform, just blit
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ShaderJob job;
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job.InsertValue(QStringLiteral("ove_maintex"), NodeValue(NodeValue::kTexture, QVariant::fromValue(texture)));
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job.InsertValue(QStringLiteral("ove_mvpmat"), NodeValue(NodeValue::kMatrix, matrix));
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render_ctx_->BlitToTexture(default_shader_, job, blit_tex.get());
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}
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// Replace texture that we're going to download in the next step
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texture = blit_tex;
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}
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render_ctx_->DownloadFromTexture(texture.get(), frame->data(), frame->linesize_pixels());
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}
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ticket_->Finish(QVariant::fromValue(frame), IsCancelled());
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break;
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}
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case RenderManager::kTypeAudio:
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{
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ViewerOutput* viewer = Node::ValueToPtr<ViewerOutput>(ticket_->property("viewer"));
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TimeRange time = ticket_->property("time").value<TimeRange>();
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NodeValueTable table;
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NodeOutput texture_output = viewer->GetConnectedSampleOutput();
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if (texture_output.IsValid()) {
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table = GenerateTable(texture_output.node(), texture_output.output(), time);
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}
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ticket_->Finish(table.Get(NodeValue::kSamples), IsCancelled());
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break;
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}
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case RenderManager::kTypeVideoDownload:
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{
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QString cache = ticket_->property("cache").toString();
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FramePtr frame = ticket_->property("frame").value<FramePtr>();
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QByteArray hash = ticket_->property("hash").toByteArray();
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ticket_->Finish(FrameHashCache::SaveCacheFrame(cache, hash, frame), false);
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break;
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}
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default:
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// Fail
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ticket_->Cancel();
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}
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}
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DecoderPtr RenderProcessor::ResolveDecoderFromInput(const QString& decoder_id, const Decoder::CodecStream &stream)
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{
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if (!stream.IsValid()) {
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qWarning() << "Attempted to resolve the decoder of a null stream";
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return nullptr;
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}
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QMutexLocker locker(decoder_cache_->mutex());
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DecoderPtr decoder = decoder_cache_->value(stream);
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if (!decoder) {
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// No decoder
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decoder = Decoder::CreateFromID(decoder_id);
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if (decoder->Open(stream)) {
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decoder_cache_->insert(stream, decoder);
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} else {
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qWarning() << "Failed to open decoder for" << stream.filename()
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<< "::" << stream.stream();
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return nullptr;
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}
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}
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return decoder;
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}
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void RenderProcessor::Process(RenderTicketPtr ticket, Renderer *render_ctx, StillImageCache *still_image_cache, DecoderCache *decoder_cache, ShaderCache *shader_cache, QVariant default_shader)
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{
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RenderProcessor p(ticket, render_ctx, still_image_cache, decoder_cache, shader_cache, default_shader);
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p.Run();
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}
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NodeValueTable RenderProcessor::GenerateBlockTable(const Track *track, const TimeRange &range)
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{
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if (track->type() == Track::kAudio) {
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const AudioParams& audio_params = ticket_->property("aparam").value<AudioParams>();
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QVector<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, Track::TransformRangeForBlock(b, range_for_block));
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SampleBufferPtr samples_from_this_block = table.Take(NodeValue::kSamples).value<SampleBufferPtr>();
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if (!samples_from_this_block) {
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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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// FIXME: Doesn't handle reversing
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if (b->IsInputKeyframing(Block::kSpeedInput) || b->IsInputConnected(Block::kSpeedInput)) {
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// FIXME: We'll need to calculate the speed hoo boy
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} else {
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double speed_value = b->GetStandardValue(Block::kSpeedInput).toDouble();
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if (qIsNull(speed_value)) {
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// Just silence, don't think there's any other practical application of 0 speed audio
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samples_from_this_block->fill(0);
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} else if (!qFuzzyCompare(speed_value, 1.0)) {
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// Multiply time
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samples_from_this_block->speed(speed_value);
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}
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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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for (int i=0; i<samples_from_this_block->audio_params().channel_count(); i++) {
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block_range_buffer->set(i, samples_from_this_block->data(i), destination_offset, copy_length);
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}
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NodeValueTable::Merge({merged_table, table});
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}
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if (ticket_->property("enablewaveforms").toBool()) {
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// Generate a visual waveform and send it back to the main thread
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AudioVisualWaveform visual_waveform;
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visual_waveform.set_channel_count(audio_params.channel_count());
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visual_waveform.OverwriteSamples(block_range_buffer, audio_params.sample_rate());
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RenderedWaveform waveform_info = {track, visual_waveform, range};
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QVector<RenderedWaveform> waveform_list = ticket_->property("waveforms").value< QVector<RenderedWaveform> >();
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waveform_list.append(waveform_info);
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ticket_->setProperty("waveforms", QVariant::fromValue(waveform_list));
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}
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merged_table.Push(NodeValue::kSamples, QVariant::fromValue(block_range_buffer), track);
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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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QVariant RenderProcessor::ProcessVideoFootage(const FootageJob &stream, const rational &input_time)
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{
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TexturePtr value = nullptr;
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// Check the still frame cache. On large frames such as high resolution still images, uploading
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// and color managing them for every frame is a waste of time, so we implement a small cache here
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// to optimize such a situation
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const VideoParams& render_params = ticket_->property("vparam").value<VideoParams>();
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VideoParams stream_data = stream.video_params();
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ColorManager* color_manager = Node::ValueToPtr<ColorManager>(ticket_->property("colormanager"));
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// See if we can make this divider larger (i.e. if the fooage is smaller)
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int footage_divider = render_params.divider();
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while (footage_divider > 1
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&& VideoParams::GetScaledDimension(stream_data.width(), footage_divider-1) < render_params.effective_width()
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&& VideoParams::GetScaledDimension(stream_data.height(), footage_divider-1) < render_params.effective_height()) {
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footage_divider--;
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}
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QString using_colorspace = stream_data.colorspace();
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if (using_colorspace.isEmpty()) {
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// FIXME:
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qWarning() << "HAVEN'T GOTTEN DEFAULT INPUT COLORSPACE";
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}
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Decoder::CodecStream default_codec_stream(stream.filename(), stream_data.stream_index());
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StillImageCache::EntryPtr want_entry = std::make_shared<StillImageCache::Entry>(
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nullptr,
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default_codec_stream,
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ColorProcessor::GenerateID(color_manager, using_colorspace, color_manager->GetReferenceColorSpace()),
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stream_data.premultiplied_alpha(),
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footage_divider,
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(stream_data.video_type() == VideoParams::kVideoTypeStill) ? 0 : input_time,
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true);
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bool found_existing = false;
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still_image_cache_->mutex()->lock();
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foreach (StillImageCache::EntryPtr e, still_image_cache_->entries()) {
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if (StillImageCache::CompareEntryMetadata(want_entry, e)) {
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// Found an exact match of the texture we want in the cache. See if it's working or if it's
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// ready.
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want_entry = e;
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found_existing = true;
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while (want_entry->working) {
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still_image_cache_->wait_cond()->wait(still_image_cache_->mutex());
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}
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value = want_entry->texture;
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break;
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}
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}
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if (value) {
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// Found the texture, we can release the cache now
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still_image_cache_->mutex()->unlock();
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} else {
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// Wasn't in still image cache, so we'll have to retrieve it from the decoder
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// Let other processors know we're getting this texture (want_entry's `working` field is
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// already set to true in the initializer above)
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if (!found_existing) {
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still_image_cache_->PushEntry(want_entry);
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}
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still_image_cache_->mutex()->unlock();
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QString decoder_id = stream.decoder();
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DecoderPtr decoder = nullptr;
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if (stream_data.video_type() == VideoParams::kVideoTypeVideo) {
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decoder = ResolveDecoderFromInput(decoder_id, default_codec_stream);
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} else {
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// Since image sequences involve multiple files, we don't engage the decoder cache
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decoder = Decoder::CreateFromID(decoder_id);
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QString frame_filename;
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if (stream_data.video_type() == VideoParams::kVideoTypeImageSequence) {
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int64_t frame_number = stream_data.get_time_in_timebase_units(input_time);
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frame_filename = Decoder::TransformImageSequenceFileName(stream.filename(), frame_number);
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} else {
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frame_filename = stream.filename();
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}
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// Decoder will close automatically since it's a stream_ptr
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decoder->Open(Decoder::CodecStream(frame_filename, stream_data.stream_index()));
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}
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if (decoder) {
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FramePtr frame = decoder->RetrieveVideo((stream_data.video_type() == VideoParams::kVideoTypeVideo) ? input_time : Decoder::kAnyTimecode, footage_divider);
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if (frame) {
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// Return a texture from the derived class
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TexturePtr unmanaged_texture = render_ctx_->CreateTexture(frame->video_params(),
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frame->data(),
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frame->linesize_pixels());
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// We convert to our rendering pixel format, since that will always be float-based which
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// is necessary for correct color conversion
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VideoParams managed_params = frame->video_params();
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managed_params.set_format(render_params.format());
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managed_params.set_pixel_aspect_ratio(stream_data.pixel_aspect_ratio());
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managed_params.set_interlacing(stream_data.interlacing());
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value = render_ctx_->CreateTexture(managed_params);
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ColorProcessorPtr processor = ColorProcessor::Create(color_manager,
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using_colorspace,
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color_manager->GetReferenceColorSpace());
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render_ctx_->BlitColorManaged(processor, unmanaged_texture,
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stream_data.premultiplied_alpha(),
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value.get());
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still_image_cache_->mutex()->lock();
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// Put this into the image cache instead
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want_entry->texture = value;
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want_entry->working = false;
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still_image_cache_->wait_cond()->wakeAll();
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still_image_cache_->mutex()->unlock();
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}
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}
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}
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return QVariant::fromValue(value);
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}
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QVariant RenderProcessor::ProcessAudioFootage(const FootageJob &stream, const TimeRange &input_time)
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{
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QVariant value;
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DecoderPtr decoder = ResolveDecoderFromInput(stream.decoder(), Decoder::CodecStream(stream.filename(), stream.audio_params().stream_index()));
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if (decoder) {
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const AudioParams& audio_params = ticket_->property("aparam").value<AudioParams>();
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SampleBufferPtr frame = decoder->RetrieveAudio(input_time, audio_params,
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stream.cache_path(),
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&IsCancelled());
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if (frame) {
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value = QVariant::fromValue(frame);
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}
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}
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return value;
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}
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QVariant RenderProcessor::ProcessShader(const Node *node, const TimeRange &range, const ShaderJob &job)
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{
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Q_UNUSED(range)
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QString full_shader_id = QStringLiteral("%1:%2").arg(node->id(), job.GetShaderID());
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QMutexLocker locker(shader_cache_->mutex());
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QVariant shader = shader_cache_->value(full_shader_id);
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if (shader.isNull()) {
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// Since we have shader code, compile it now
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shader = render_ctx_->CreateNativeShader(node->GetShaderCode(job.GetShaderID()));
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if (shader.isNull()) {
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// Couldn't find or build the shader required
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return QVariant();
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}
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}
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VideoParams tex_params = ticket_->property("vparam").value<VideoParams>();
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bool input_textures_have_alpha = false;
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for (auto it=job.GetValues().cbegin(); it!=job.GetValues().cend(); it++) {
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if (it.value().type() == NodeValue::kTexture) {
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TexturePtr tex = it.value().data().value<TexturePtr>();
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if (tex && tex->channel_count() == VideoParams::kRGBAChannelCount) {
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input_textures_have_alpha = true;
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break;
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}
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}
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}
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if (input_textures_have_alpha || job.GetAlphaChannelRequired()) {
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tex_params.set_channel_count(VideoParams::kRGBAChannelCount);
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} else {
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tex_params.set_channel_count(VideoParams::kRGBChannelCount);
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}
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TexturePtr destination = render_ctx_->CreateTexture(tex_params);
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// Run shader
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render_ctx_->BlitToTexture(shader, job, destination.get());
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return QVariant::fromValue(destination);
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}
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QVariant RenderProcessor::ProcessSamples(const Node *node, const TimeRange &range, const SampleJob &job)
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{
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if (!job.samples() || !job.samples()->is_allocated()) {
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return QVariant();
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}
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SampleBufferPtr output_buffer = SampleBuffer::CreateAllocated(job.samples()->audio_params(), job.samples()->sample_count());
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NodeValueDatabase value_db;
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const AudioParams& audio_params = ticket_->property("aparam").value<AudioParams>();
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for (int i=0;i<job.samples()->sample_count();i++) {
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// Calculate the exact rational time at this sample
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double sample_to_second = static_cast<double>(i) / 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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for (auto j=job.GetValues().constBegin(); j!=job.GetValues().constEnd(); j++) {
|
|
NodeValueTable value = ProcessInput(node, j.key(), TimeRange(this_sample_time, this_sample_time));
|
|
|
|
value_db.Insert(j.key(), value);
|
|
}
|
|
|
|
AddGlobalsToDatabase(value_db, TimeRange(this_sample_time, this_sample_time));
|
|
|
|
node->ProcessSamples(value_db,
|
|
job.samples(),
|
|
output_buffer,
|
|
i);
|
|
}
|
|
|
|
return QVariant::fromValue(output_buffer);
|
|
}
|
|
|
|
QVariant RenderProcessor::ProcessFrameGeneration(const Node *node, const GenerateJob &job)
|
|
{
|
|
FramePtr frame = Frame::Create();
|
|
|
|
VideoParams frame_params = ticket_->property("vparam").value<VideoParams>();
|
|
if (job.GetAlphaChannelRequired()) {
|
|
frame_params.set_channel_count(VideoParams::kRGBAChannelCount);
|
|
} else {
|
|
frame_params.set_channel_count(VideoParams::kRGBChannelCount);
|
|
}
|
|
|
|
frame->set_video_params(frame_params);
|
|
frame->allocate();
|
|
|
|
node->GenerateFrame(frame, job);
|
|
|
|
TexturePtr texture = render_ctx_->CreateTexture(frame->video_params(),
|
|
frame->data(),
|
|
frame->linesize_pixels());
|
|
|
|
return QVariant::fromValue(texture);
|
|
}
|
|
|
|
bool RenderProcessor::CanCacheFrames()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
QVariant RenderProcessor::GetCachedTexture(const QByteArray& hash)
|
|
{
|
|
VideoParams video_params = GetCacheVideoParams();
|
|
QString cache_dir = ticket_->property("cache").toString();
|
|
|
|
FramePtr f = FrameHashCache::LoadCacheFrame(cache_dir, hash);
|
|
|
|
if (f) {
|
|
// The cached frame won't load with the correct divider by default, so we enforce it here
|
|
VideoParams p = f->video_params();
|
|
|
|
p.set_width(f->width() * video_params.divider());
|
|
p.set_height(f->height() * video_params.divider());
|
|
p.set_divider(video_params.divider());
|
|
|
|
f->set_video_params(p);
|
|
|
|
TexturePtr texture = render_ctx_->CreateTexture(f->video_params(), f->data(), f->linesize_pixels());
|
|
qDebug() << "Loaded mid-render frame from cache";
|
|
return QVariant::fromValue(texture);
|
|
}
|
|
|
|
return QVariant();
|
|
}
|
|
|
|
void RenderProcessor::SaveCachedTexture(const QByteArray &hash, const QVariant &tex_var)
|
|
{
|
|
// FIXME: Temporarily disabled because I don't know how to ensure that the frame saved here is
|
|
// not the main frame. If it is, it'll be saved twice which will waste a lot of cycles.
|
|
// At least disabled, the frame will still save, and if nothing else alters the hash, it
|
|
// will pick up automatically from GetCachedTexture.
|
|
/*if (!tex_var.isNull()) {
|
|
QString cache_dir = ticket_->property("cache").toString();
|
|
|
|
if (!cache_dir.isEmpty()) {
|
|
TexturePtr texture = tex_var.value<TexturePtr>();
|
|
FramePtr frame = Frame::Create();
|
|
frame->set_video_params(texture->params());
|
|
frame->allocate();
|
|
render_ctx_->DownloadFromTexture(texture.get(), frame->data(), frame->linesize_pixels());
|
|
FrameHashCache::SaveCacheFrame(cache_dir, hash, frame);
|
|
qDebug() << "Saved mid-render frame to cache";
|
|
}
|
|
}*/
|
|
}
|
|
|
|
VideoParams RenderProcessor::GetCacheVideoParams()
|
|
{
|
|
return ticket_->property("vparam").value<VideoParams>();
|
|
}
|
|
|
|
QVector2D RenderProcessor::GenerateResolution() const
|
|
{
|
|
// Set resolution to the destination to the "logical" resolution of the destination
|
|
const VideoParams& video_params = ticket_->property("vparam").value<VideoParams>();
|
|
return QVector2D(video_params.width() * video_params.pixel_aspect_ratio().toDouble(),
|
|
video_params.height());
|
|
}
|
|
|
|
}
|