Re-coded threaded video mode, but it fails spetacularly. It's currently disabled in source, but there.

Originally committed to SVN as r1021.
This commit is contained in:
Rodrigo Braz Monteiro 2007-04-07 23:45:46 +00:00
parent 7da5406572
commit c0b62ff377
2 changed files with 91 additions and 8 deletions

View File

@ -108,8 +108,12 @@ VideoContext::VideoContext() {
arType = 0;
arValue = 1.0;
isPlaying = false;
threaded = Options.AsBool(_T("Threaded Video"));
nextFrame = -1;
// Threads
threaded = Options.AsBool(_T("Threaded Video"));
threadLocked = false;
threadNextFrame = -1;
}
@ -373,6 +377,20 @@ void VideoContext::JumpToFrame(int n) {
// Prevent intervention during playback
if (isPlaying && n != playNextFrame) return;
// Threaded
if (threaded && false) { // Doesn't work, so it's disabled
wxMutexLocker lock(vidMutex);
threadNextFrame = n;
if (!threadLocked) {
threadLocked = true;
thread = new VideoContextThread(this);
thread->Create();
thread->Run();
}
}
// Not threaded
else {
// Set frame number
frame_n = n;
GetFrameAsTexture(n);
@ -382,6 +400,7 @@ void VideoContext::JumpToFrame(int n) {
// Update grid
if (!isPlaying && Options.AsBool(_T("Highlight subs in frame"))) grid->Refresh(false);
}
}
@ -804,3 +823,48 @@ void VideoContext::SetShader(bool enabled) {
bool VideoContext::HasIndependentSubs() {
return subsProvider && subsProvider->CanRaster();
}
//////////////////////
// Thread constructor
VideoContextThread::VideoContextThread(VideoContext *par)
: wxThread(wxTHREAD_DETACHED)
{
parent = par;
}
//////////////////////
// Thread entry point
wxThread::ExitCode VideoContextThread::Entry() {
// Set up thread
int frame = parent->threadNextFrame;
int curFrame = parent->frame_n;
bool highSubs = Options.AsBool(_T("Highlight subs in frame"));
// Loop while there is work to do
while (true) {
// Get frame and set frame number
parent->GetFrameAsTexture(frame);
parent->frame_n = frame;
// Display
parent->UpdateDisplays(false);
// Update grid
if (!parent->isPlaying && highSubs) parent->grid->Refresh(false);
// Get lock and check if there is more to do
wxMutexLocker lock(parent->vidMutex);
curFrame = parent->frame_n;
frame = parent->threadNextFrame;
// Work done, kill thread and release context
if (curFrame == frame) {
parent->threadLocked = false;
parent->threadNextFrame = -1;
Delete();
return 0;
}
}
}

View File

@ -54,6 +54,7 @@ class AssDialogue;
class VideoProvider;
class VideoDisplay;
class SubtitlesProvider;
class VideoContextThread;
//////////////
@ -61,6 +62,7 @@ class SubtitlesProvider;
class VideoContext : public wxEvtHandler {
friend class AudioProvider;
friend class VideoDisplayVisual;
friend class VideoContextThread;
private:
static VideoContext *instance;
@ -92,7 +94,12 @@ private:
int endFrame;
int playNextFrame;
int nextFrame;
bool threaded;
bool threadLocked;
int threadNextFrame;
wxMutex vidMutex;
wxThread *thread;
bool loaded;
bool isInverted;
@ -182,3 +189,15 @@ public:
DECLARE_EVENT_TABLE()
};
//////////
// Thread
class VideoContextThread : public wxThread {
private:
VideoContext *parent;
public:
VideoContextThread(VideoContext *parent);
wxThread::ExitCode Entry();
};