void AsyncVideoProvider::ProcAsync(uint_fast32_t req_version, bool check_updated) {
// Only actually produce the frame if there's no queued changes waiting
if (req_version < version || frame_number < 0) return;
std::vector<AssDialogueBase const*> visible_lines;
for (auto const& line : subs->Events) {
if (!line.Comment && !(line.Start > time || line.End <= time))
visible_lines.push_back(&line);
}
if (check_updated && !NeedUpdate(visible_lines)) return;
last_lines.clear();
last_lines.reserve(visible_lines.size());
for (auto line : visible_lines)
last_lines.push_back(*line);
last_rendered = frame_number;
try {
FrameReadyEvent *evt = new FrameReadyEvent(ProcFrame(frame_number, time), time);
evt->SetEventType(EVT_FRAME_READY);
parent->QueueEvent(evt);
}
catch (wxEvent const& err) {
// Pass error back to parent thread
parent->QueueEvent(err.Clone());
}
}
void *ThreadedFrameSource::Entry() {
while (!TestDestroy()) {
double time;
int frameNum;
std::unique_ptr<AssFile> newSubs;
std::deque<std::pair<size_t, std::unique_ptr<AssEntry>>> updates;
{
wxMutexLocker jobLocker(jobMutex);
if (!run)
return EXIT_SUCCESS;
if (nextTime == -1.) {
jobReady.Wait();
continue;
}
time = nextTime;
frameNum = nextFrame;
nextTime = -1.;
newSubs = move(nextSubs);
updates = move(changedSubs);
}
if (newSubs || updates.size()) {
wxMutexLocker fileLocker(fileMutex);
if (newSubs)
subs = move(newSubs);
if (updates.size()) {
size_t i = 0;
auto it = subs->Line.begin();
// Replace each changed line in subs with the updated version
for (auto& update : updates) {
advance(it, update.first - i);
i = update.first;
subs->Line.insert(it, *update.second.release());
delete &*it--;
}
}
singleFrame = -1;
}
try {
FrameReadyEvent *evt = new FrameReadyEvent(ProcFrame(frameNum, time), time);
evt->SetEventType(EVT_FRAME_READY);
parent->QueueEvent(evt);
}
catch (wxEvent const& err) {
// Pass error back to parent thread
parent->QueueEvent(err.Clone());
}
}
return EXIT_SUCCESS;
}
void ThreadedFrameSource::ProcAsync(uint_fast32_t req_version) {
// Only actually produce the frame if there's no queued changes waiting
if (req_version < version || frame_number < 0) return;
try {
FrameReadyEvent *evt = new FrameReadyEvent(ProcFrame(frame_number, time), time);
evt->SetEventType(EVT_FRAME_READY);
parent->QueueEvent(evt);
}
catch (wxEvent const& err) {
// Pass error back to parent thread
parent->QueueEvent(err.Clone());
}
}
void *ThreadedFrameSource::Entry() {
while (!TestDestroy()) {
double time;
int frameNum;
std::auto_ptr<AssFile> newSubs;
{
wxMutexLocker jobLocker(jobMutex);
if (!run)
return EXIT_SUCCESS;
if (nextTime == -1.) {
jobReady.Wait();
continue;
}
time = nextTime;
frameNum = nextFrame;
nextTime = -1.;
newSubs = nextSubs;
}
if (newSubs.get()) {
wxMutexLocker fileLocker(fileMutex);
subs = newSubs;
singleFrame = -1;
}
try {
FrameReadyEvent *evt = new FrameReadyEvent(ProcFrame(frameNum, time), time);
evt->SetEventType(EVT_FRAME_READY);
parent->QueueEvent(evt);
}
catch (wxEvent const& err) {
// Pass error back to parent thread
parent->QueueEvent(err.Clone());
}
}
return EXIT_SUCCESS;
}
