Files
oak-editor/app/render/previewautocacher.cpp
T
itsmattkc 4827782331 moved sequence params into node graph too
Reduces code by reusing more of the existing node infrastructure
to synchronize sequence parameters the render backend.
2021-02-18 13:20:23 +11:00

673 lines
20 KiB
C++

#include "previewautocacher.h"
#include <QApplication>
#include <QtConcurrent/QtConcurrent>
#include "project/item/sequence/sequence.h"
#include "project/project.h"
#include "render/rendermanager.h"
#include "render/renderprocessor.h"
namespace olive {
PreviewAutoCacher::PreviewAutoCacher() :
viewer_node_(nullptr),
paused_(false),
has_changed_(false),
use_custom_range_(false),
single_frame_render_(nullptr),
last_update_time_(0),
ignore_next_mouse_button_(false),
color_manager_(nullptr)
{
// Set default autocache range
SetPlayhead(rational());
delayed_requeue_timer_.setInterval(Config::Current()[QStringLiteral("AutoCacheDelay")].toInt());
delayed_requeue_timer_.setSingleShot(true);
connect(&delayed_requeue_timer_, &QTimer::timeout, this, &PreviewAutoCacher::RequeueFrames);
}
RenderTicketPtr PreviewAutoCacher::GetSingleFrame(const rational &t)
{
if (single_frame_render_) {
single_frame_render_->Cancel();
}
single_frame_render_ = std::make_shared<RenderTicket>();
single_frame_render_->setProperty("time", QVariant::fromValue(t));
// Copy because TryRender() might set this to null and we still want to return a handle to this
RenderTicketPtr copy = single_frame_render_;
TryRender();
return copy;
}
void PreviewAutoCacher::SetPaused(bool paused)
{
paused_ = paused;
if (paused_) {
// Pause the autocache
ClearVideoQueue();
} else {
// Unpause the cache
RequeueFrames();
}
}
void PreviewAutoCacher::GenerateHashes(Sequence *viewer, FrameHashCache* cache, const QVector<rational> &times, qint64 job_time)
{
std::vector<QByteArray> existing_hashes;
foreach (const rational& time, times) {
// See if hash already exists in disk cache
QByteArray hash = RenderManager::Hash(viewer->GetConnectedNode(Sequence::kTextureInput), viewer->video_params(), time);
// Check memory list since disk checking is slow
bool hash_exists = (std::find(existing_hashes.begin(), existing_hashes.end(), hash) != existing_hashes.end());
if (!hash_exists) {
hash_exists = QFileInfo::exists(cache->CachePathName(hash));
if (hash_exists) {
existing_hashes.push_back(hash);
}
}
// Set hash in FrameHashCache's thread rather than in ours to prevent race conditions
QMetaObject::invokeMethod(cache, "SetHash", Qt::QueuedConnection,
OLIVE_NS_ARG(rational, time),
Q_ARG(QByteArray, hash),
Q_ARG(qint64, job_time),
Q_ARG(bool, hash_exists));
}
}
void PreviewAutoCacher::VideoInvalidated(const TimeRange &range)
{
ClearVideoQueue();
// Hash these frames since that should be relatively quick.
if (ignore_next_mouse_button_ || !(qApp->mouseButtons() & Qt::LeftButton)) {
ignore_next_mouse_button_ = false;
invalidated_video_.insert(range);
TryRender();
}
}
void PreviewAutoCacher::AudioInvalidated(const TimeRange &range)
{
ClearAudioQueue();
// Start jobs to re-render the audio at this range, split into 2 second chunks
invalidated_audio_.insert(range);
TryRender();
}
void PreviewAutoCacher::HashesProcessed()
{
QFutureWatcher<void>* watcher = static_cast<QFutureWatcher<void>*>(sender());
if (hash_tasks_.contains(watcher)) {
hash_tasks_.removeOne(watcher);
// Restart delayed requeue timer
delayed_requeue_timer_.stop();
delayed_requeue_timer_.start();
}
// The cacher might be waiting for this job to finish
if (!graph_update_queue_.isEmpty()) {
TryRender();
}
delete watcher;
}
void PreviewAutoCacher::AudioRendered()
{
RenderTicketWatcher* watcher = static_cast<RenderTicketWatcher*>(sender());
if (audio_tasks_.contains(watcher)) {
if (!watcher->WasCancelled()) {
viewer_node_->audio_playback_cache()->WritePCM(audio_tasks_.value(watcher),
watcher->Get().value<SampleBufferPtr>(),
watcher->GetTicket()->GetJobTime());
// Retrieve visual waveforms
QVector<RenderProcessor::RenderedWaveform> waveform_list = watcher->GetTicket()->property("waveforms").value< QVector<RenderProcessor::RenderedWaveform> >();
foreach (const RenderProcessor::RenderedWaveform& waveform_info, waveform_list) {
// Find original track
Track* track = nullptr;
for (auto it=copy_map_.cbegin(); it!=copy_map_.cend(); it++) {
if (it.value() == waveform_info.track) {
track = static_cast<Track*>(it.key());
break;
}
}
if (track) {
QList<TimeRange> valid_ranges = viewer_node_->audio_playback_cache()->GetValidRanges(waveform_info.range,
watcher->GetTicket()->GetJobTime());
if (!valid_ranges.isEmpty()) {
// Generate visual waveform in this background thread
track->waveform().set_channel_count(viewer_node_->audio_params().channel_count());
foreach (const TimeRange& r, valid_ranges) {
track->waveform().OverwriteSums(waveform_info.waveform, r.in(), r.in() - waveform_info.range.in(), r.length());
}
emit track->PreviewChanged();
}
}
}
}
audio_tasks_.remove(watcher);
}
// The cacher might be waiting for this job to finish
if (!graph_update_queue_.isEmpty()) {
TryRender();
}
delete watcher;
}
void PreviewAutoCacher::VideoRendered()
{
RenderTicketWatcher* watcher = static_cast<RenderTicketWatcher*>(sender());
if (video_tasks_.contains(watcher)) {
if (watcher->WasCancelled()) {
// We didn't get this hash
currently_caching_hashes_.removeOne(watcher->property("hash").toByteArray());
} else {
const QByteArray& hash = video_tasks_.value(watcher);
// Download frame in another thread
RenderTicketWatcher* w = new RenderTicketWatcher();
video_download_tasks_.insert(w, hash);
connect(w, &RenderTicketWatcher::Finished, this, &PreviewAutoCacher::VideoDownloaded);
w->SetTicket(RenderManager::instance()->SaveFrameToCache(viewer_node_->video_frame_cache(),
watcher->Get().value<FramePtr>(),
hash,
true));
}
video_tasks_.remove(watcher);
}
// The cacher might be waiting for this job to finish
if (!graph_update_queue_.isEmpty()) {
TryRender();
}
delete watcher;
}
void PreviewAutoCacher::VideoDownloaded()
{
RenderTicketWatcher* watcher = static_cast<RenderTicketWatcher*>(sender());
if (video_download_tasks_.contains(watcher)) {
if (!watcher->WasCancelled()) {
if (watcher->Get().toBool()) {
const QByteArray& hash = video_download_tasks_.value(watcher);
currently_caching_hashes_.removeOne(hash);
viewer_node_->video_frame_cache()->ValidateFramesWithHash(hash);
} else {
qCritical() << "Failed to download video frame";
}
}
video_download_tasks_.remove(watcher);
}
delete watcher;
}
void PreviewAutoCacher::SingleFrameFinished()
{
RenderTicketWatcher* watcher = static_cast<RenderTicketWatcher*>(sender());
RenderTicketPtr passthrough = watcher->property("passthrough").value<RenderTicketPtr>();
passthrough->Finish(watcher->GetTicket()->Get(), watcher->GetTicket()->WasCancelled());
delete watcher;
}
void PreviewAutoCacher::ProcessUpdateQueue()
{
foreach (const QueuedJob& job, graph_update_queue_) {
switch (job.type) {
case QueuedJob::kNodeAdded:
AddNode(job.node);
break;
case QueuedJob::kNodeRemoved:
RemoveNode(job.node);
break;
case QueuedJob::kEdgeAdded:
AddEdge(job.output, job.input);
break;
case QueuedJob::kEdgeRemoved:
RemoveEdge(job.output, job.input);
break;
case QueuedJob::kValueChanged:
CopyValue(job.input);
break;
}
}
graph_update_queue_.clear();
last_update_time_ = QDateTime::currentMSecsSinceEpoch();
}
bool PreviewAutoCacher::HasActiveJobs() const
{
return !hash_tasks_.isEmpty()
|| !audio_tasks_.isEmpty()
|| !video_tasks_.isEmpty();
}
void PreviewAutoCacher::AddNode(Node *node)
{
// Copy node
Node* copy = node->copy();
// Add to project
copy->setParent(&copied_project_);
// Insert into map
copy_map_.insert(node, copy);
// Copy parameters
Node::CopyInputs(node, copy, false);
}
void PreviewAutoCacher::RemoveNode(Node *node)
{
// Find our copy and remove it
Node* copy = copy_map_.take(node);
// Delete it
delete copy;
}
void PreviewAutoCacher::AddEdge(const NodeOutput &output, const NodeInput &input)
{
Node* our_output = copy_map_.value(output.node());
Node* our_input = copy_map_.value(input.node());
Node::ConnectEdge(NodeOutput(our_output, output.output()), NodeInput(our_input, input.input(), input.element()));
}
void PreviewAutoCacher::RemoveEdge(const NodeOutput &output, const NodeInput &input)
{
Node* our_output = copy_map_.value(output.node());
Node* our_input = copy_map_.value(input.node());
Node::DisconnectEdge(NodeOutput(our_output, output.output()), NodeInput(our_input, input.input(), input.element()));
}
void PreviewAutoCacher::CopyValue(const NodeInput &input)
{
Node* our_input = copy_map_.value(input.node());
Node::CopyValuesOfElement(input.node(), our_input, input.input(), input.element());
}
void PreviewAutoCacher::SetPlayhead(const rational &playhead)
{
cache_range_ = TimeRange(playhead - Config::Current()[QStringLiteral("DiskCacheBehind")].value<rational>(),
playhead + Config::Current()[QStringLiteral("DiskCacheAhead")].value<rational>());
has_changed_ = true;
use_custom_range_ = false;
RequeueFrames();
}
void PreviewAutoCacher::ClearQueue(bool wait)
{
ClearHashQueue(wait);
ClearVideoQueue(wait);
ClearAudioQueue(wait);
}
void PreviewAutoCacher::ClearHashQueue(bool wait)
{
auto copy = hash_tasks_;
for (auto it=copy.cbegin(); it!=copy.cend(); it++) {
(*it)->cancel();
}
if (wait) {
copy = hash_tasks_;
for (auto it=copy.cbegin(); it!=copy.cend(); it++) {
(*it)->waitForFinished();
}
}
}
void PreviewAutoCacher::ClearVideoQueue(bool wait)
{
// Copy because tasks that cancel immediately will be automatically removed from the list
auto copy = video_tasks_;
for (auto it=copy.cbegin(); it!=copy.cend(); it++) {
it.key()->Cancel();
}
if (wait) {
copy = video_tasks_;
for (auto it=copy.cbegin(); it!=copy.cend(); it++) {
it.key()->WaitForFinished();
}
}
has_changed_ = true;
use_custom_range_ = false;
}
void PreviewAutoCacher::ClearAudioQueue(bool wait)
{
// Create a copy because otherwise
auto copy = audio_tasks_;
for (auto it=copy.cbegin(); it!=copy.cend(); it++) {
it.key()->Cancel();
}
if (wait) {
copy = audio_tasks_;
for (auto it=copy.cbegin(); it!=copy.cend(); it++) {
it.key()->WaitForFinished();
}
}
}
void PreviewAutoCacher::ClearVideoDownloadQueue(bool wait)
{
// Create a copy because otherwise
auto copy = video_download_tasks_;
for (auto it=copy.cbegin(); it!=copy.cend(); it++) {
it.key()->Cancel();
}
if (wait) {
copy = video_download_tasks_;
for (auto it=copy.cbegin(); it!=copy.cend(); it++) {
it.key()->WaitForFinished();
}
}
}
void PreviewAutoCacher::NodeAdded(Node *node)
{
graph_update_queue_.append({QueuedJob::kNodeAdded, node, NodeInput(), NodeOutput()});
}
void PreviewAutoCacher::NodeRemoved(Node *node)
{
graph_update_queue_.append({QueuedJob::kNodeRemoved, node, NodeInput(), NodeOutput()});
}
void PreviewAutoCacher::EdgeAdded(const NodeOutput &output, const NodeInput &input)
{
graph_update_queue_.append({QueuedJob::kEdgeAdded, nullptr, input, output});
}
void PreviewAutoCacher::EdgeRemoved(const NodeOutput &output, const NodeInput &input)
{
graph_update_queue_.append({QueuedJob::kEdgeRemoved, nullptr, input, output});
}
void PreviewAutoCacher::ValueChanged(const NodeInput &input)
{
graph_update_queue_.append({QueuedJob::kValueChanged, nullptr, input, NodeOutput()});
}
void PreviewAutoCacher::TryRender()
{
if (!graph_update_queue_.isEmpty()) {
if (HasActiveJobs()) {
// Still waiting for jobs to finish
return;
}
// No jobs are active, we can process the update queue
ProcessUpdateQueue();
}
// If we're here, we must be able to render
if (!invalidated_video_.isEmpty()) {
QVector<rational> frames = viewer_node_->video_frame_cache()->GetFrameListFromTimeRange(invalidated_video_);
QFutureWatcher<void>* watcher = new QFutureWatcher<void>();
hash_tasks_.append(watcher);
connect(watcher, &QFutureWatcher<void>::finished, this, &PreviewAutoCacher::HashesProcessed);
watcher->setFuture(QtConcurrent::run(&PreviewAutoCacher::GenerateHashes,
copied_viewer_node_,
viewer_node_->video_frame_cache(),
frames,
last_update_time_));
invalidated_video_.clear();
}
if (!invalidated_audio_.isEmpty()) {
foreach (const TimeRange& range, invalidated_audio_) {
std::list<TimeRange> chunks = range.Split(2);
foreach (const TimeRange& r, chunks) {
RenderTicketWatcher* watcher = new RenderTicketWatcher();
connect(watcher, &RenderTicketWatcher::Finished, this, &PreviewAutoCacher::AudioRendered);
audio_tasks_.insert(watcher, r);
watcher->SetTicket(RenderManager::instance()->RenderAudio(copied_viewer_node_, r, true));
}
}
invalidated_audio_.clear();
}
if (single_frame_render_) {
RenderTicketWatcher* watcher = new RenderTicketWatcher();
watcher->setProperty("passthrough", QVariant::fromValue(single_frame_render_));
connect(watcher, &RenderTicketWatcher::Finished, this, &PreviewAutoCacher::SingleFrameFinished);
single_frame_render_->Start();
watcher->SetTicket(RenderManager::instance()->RenderFrame(copied_viewer_node_,
color_manager_,
single_frame_render_->property("time").value<rational>(),
RenderMode::kOffline,
viewer_node_->video_frame_cache(),
true));
single_frame_render_ = nullptr;
}
}
void PreviewAutoCacher::RequeueFrames()
{
delayed_requeue_timer_.stop();
if (viewer_node_
&& viewer_node_->video_frame_cache()->HasInvalidatedRanges()
&& hash_tasks_.isEmpty()
&& has_changed_
&& (!paused_ || use_custom_range_)) {
TimeRange using_range;
if (use_custom_range_) {
using_range = custom_autocache_range_;
use_custom_range_ = false;
} else {
using_range = cache_range_;
}
QVector<rational> invalidated_ranges = viewer_node_->video_frame_cache()->GetInvalidatedFrames(using_range);
ClearVideoQueue();
foreach (const rational& t, invalidated_ranges) {
const QByteArray& hash = viewer_node_->video_frame_cache()->GetHash(t);
if (t >= using_range.in()
&& t < using_range.out()
&& !currently_caching_hashes_.contains(hash)) {
// Don't render any hash more than once
currently_caching_hashes_.append(hash);
RenderTicketWatcher* watcher = new RenderTicketWatcher();
watcher->setProperty("hash", hash);
connect(watcher, &RenderTicketWatcher::Finished, this, &PreviewAutoCacher::VideoRendered);
video_tasks_.insert(watcher, hash);
watcher->SetTicket(RenderManager::instance()->RenderFrame(copied_viewer_node_,
color_manager_,
t,
RenderMode::kOffline,
viewer_node_->video_frame_cache(),
false));
}
}
has_changed_ = false;
}
}
void PreviewAutoCacher::IgnoreNextMouseButton()
{
ignore_next_mouse_button_ = true;
}
void PreviewAutoCacher::ForceCacheRange(const TimeRange &range)
{
has_changed_ = true;
use_custom_range_ = true;
custom_autocache_range_ = range;
RequeueFrames();
}
void PreviewAutoCacher::SetViewerNode(Sequence *viewer_node)
{
if (viewer_node_ == viewer_node) {
return;
}
if (viewer_node_) {
// Cancel any remaining tickets and wait for them to finish
ClearQueue(true);
// Clear autocache lists
{
// We need to wait for these since they work directly on the FrameHashCache. Most of the time
// this is fine, but not if the FrameHashCache gets deleted after this function.
ClearHashQueue(true);
// This can be cleared normally (frames will be discarded and need to be rendered again)
ClearVideoQueue(false);
// This can be cleared normally (PCM data will be discarded and need to be rendered again)
ClearAudioQueue(false);
// We'll need to wait for these since they work directly on the FrameHashCache. Frames will
// be in the cache for later use.
ClearVideoDownloadQueue(true);
// No longer caching any hashes
currently_caching_hashes_.clear();
}
// Delete all of our copied nodes
foreach (Node* c, copy_map_) {
delete c;
}
copy_map_.clear();
copied_viewer_node_ = nullptr;
graph_update_queue_.clear();
// Disconnect signals for future node additions/deletions
NodeGraph* graph = viewer_node_->parent();
disconnect(graph, &NodeGraph::NodeAdded, this, &PreviewAutoCacher::NodeAdded);
disconnect(graph, &NodeGraph::NodeRemoved, this, &PreviewAutoCacher::NodeRemoved);
disconnect(graph, &NodeGraph::InputConnected, this, &PreviewAutoCacher::EdgeAdded);
disconnect(graph, &NodeGraph::InputDisconnected, this, &PreviewAutoCacher::EdgeRemoved);
disconnect(graph, &NodeGraph::ValueChanged, this, &PreviewAutoCacher::ValueChanged);
// Disconnect signal (will be a no-op if the signal was never connected)
disconnect(viewer_node_->video_frame_cache(),
&PlaybackCache::Invalidated,
this,
&PreviewAutoCacher::VideoInvalidated);
disconnect(viewer_node_->audio_playback_cache(),
&PlaybackCache::Invalidated,
this,
&PreviewAutoCacher::AudioInvalidated);
}
viewer_node_ = viewer_node;
if (viewer_node_) {
// Copy graph
NodeGraph* graph = viewer_node_->parent();
// Add all nodes
foreach (Node* node, graph->nodes()) {
AddNode(node);
}
// Find copied viewer node
copied_viewer_node_ = static_cast<Sequence*>(copy_map_.value(viewer_node_));
// Copy parameters
copied_viewer_node_->set_video_params(viewer_node_->video_params());
copied_viewer_node_->set_audio_params(viewer_node_->audio_params());
// Add all connections
foreach (Node* node, graph->nodes()) {
for (auto it=node->input_connections().cbegin(); it!=node->input_connections().cend(); it++) {
AddEdge(it->second, it->first);
}
}
last_update_time_ = QDateTime::currentMSecsSinceEpoch();
// Connect signals for future node additions/deletions
connect(graph, &NodeGraph::NodeAdded, this, &PreviewAutoCacher::NodeAdded);
connect(graph, &NodeGraph::NodeRemoved, this, &PreviewAutoCacher::NodeRemoved);
connect(graph, &NodeGraph::InputConnected, this, &PreviewAutoCacher::EdgeAdded);
connect(graph, &NodeGraph::InputDisconnected, this, &PreviewAutoCacher::EdgeRemoved);
connect(graph, &NodeGraph::ValueChanged, this, &PreviewAutoCacher::ValueChanged);
// Copy invalidated ranges - used to determine which frames need hashing
invalidated_video_ = viewer_node_->video_frame_cache()->GetInvalidatedRanges();
invalidated_audio_ = viewer_node_->audio_playback_cache()->GetInvalidatedRanges();
connect(viewer_node_->video_frame_cache(),
&PlaybackCache::Invalidated,
this,
&PreviewAutoCacher::VideoInvalidated);
connect(viewer_node_->audio_playback_cache(),
&PlaybackCache::Invalidated,
this,
&PreviewAutoCacher::AudioInvalidated);
TryRender();
}
}
}