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Fix thread warnings on shutdown on unix

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Originally committed to SVN as r4766.
This commit is contained in:
Thomas Goyne 2010-08-27 01:01:35 +00:00
parent 071ada7487
commit f37e1bf87a
5 changed files with 19 additions and 20 deletions
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1
aegisub/src/main.cpp
View file

@ -285,6 +285,7 @@ bool AegisubApp::OnInit() {
///
int AegisubApp::OnExit() {
SubtitleFormat::DestroyFormats();
VideoContext::OnExit();
delete plugins;
delete config::opt;
delete config::mru;

19
aegisub/src/threaded_frame_source.cpp
View file

@ -150,7 +150,7 @@ void *ThreadedFrameSource::Entry() {
}
ThreadedFrameSource::ThreadedFrameSource(wxString videoFileName, wxEvtHandler *parent)
: wxThread()
: wxThread(wxTHREAD_JOINABLE)
, provider(SubtitlesProviderFactory::GetProvider())
, videoProvider(VideoProviderFactory::GetProvider(videoFileName))
, parent(parent)
@ -162,6 +162,13 @@ ThreadedFrameSource::ThreadedFrameSource(wxString videoFileName, wxEvtHandler *p
Create();
Run();
}
ThreadedFrameSource::~ThreadedFrameSource() {
run = false;
jobReady.Signal();
Wait();
frameBuffer[0].Clear();
frameBuffer[1].Clear();
}
void ThreadedFrameSource::LoadSubtitles(AssFile *subs) throw() {
AssExporter exporter(subs);
@ -185,16 +192,6 @@ AegiVideoFrame const& ThreadedFrameSource::GetFrame(int frame, double time, bool
return ProcFrame(frame, time, raw);
}
void ThreadedFrameSource::End() {
run = false;
jobReady.Signal();
}
ThreadedFrameSource::~ThreadedFrameSource() {
frameBuffer[0].Clear();
frameBuffer[1].Clear();
}
wxDEFINE_EVENT(EVT_FRAME_READY, FrameReadyEvent);
wxDEFINE_EVENT(EVT_VIDEO_ERROR, VideoProviderErrorEvent);
wxDEFINE_EVENT(EVT_SUBTITLES_ERROR, SubtitlesProviderErrorEvent);

7
aegisub/src/threaded_frame_source.h
View file

@ -109,13 +109,6 @@ public:
/// @brief raw Get raw frame without subtitles
AegiVideoFrame const& GetFrame(int frame, double time, bool raw = false);
/// @brief Non-blocking Delete
///
/// Needed due to that calling Delete while the thread is waiting on
/// jobReady results in a deadlock; as such this is the only safe way to
/// destroy a ThreadedFrameSource
void End();
std::tr1::shared_ptr<VideoProvider> GetVideoProvider() const { return videoProvider; }
/// @brief Constructor

9
aegisub/src/video_context.cpp
View file

@ -172,7 +172,7 @@ void VideoContext::SetVideo(const wxString &filename) {
try {
grid->CommitChanges(true);
provider.reset(new ThreadedFrameSource(filename, this), std::mem_fun(&ThreadedFrameSource::End));
provider.reset(new ThreadedFrameSource(filename, this));
videoProvider = provider->GetVideoProvider();
videoFile = filename;
@ -581,3 +581,10 @@ void VideoContext::OnSubtitlesError(SubtitlesProviderErrorEvent const& err) {
L"Failed rendering subtitles. Error message reported: %s",
lagi_wxString(err.GetMessage()).c_str());
}
void VideoContext::OnExit() {
// On unix wxThreadModule will shut down any still-running threads (and
// display a warning that it's doing so) before the destructor for
// VideoContext runs, so manually kill the thread
Get()->provider.reset();
}

3
aegisub/src/video_context.h
View file

@ -84,7 +84,7 @@ private:
std::tr1::shared_ptr<VideoProvider> videoProvider;
/// DOCME
std::tr1::shared_ptr<ThreadedFrameSource> provider;
std::auto_ptr<ThreadedFrameSource> provider;
/// Filename of currently open video
wxString videoFile;
@ -279,6 +279,7 @@ public:
int FrameAtTime(int time, agi::vfr::Time type = agi::vfr::EXACT) const;
static VideoContext *Get();
static void OnExit();
DECLARE_EVENT_TABLE()
};