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Allow opening video with no working subtitle providers enabled

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Originally committed to SVN as r6126.
This commit is contained in:
Thomas Goyne 2011-12-22 21:29:29 +00:00
parent 3cdc27c894
commit 4133806fe7
3 changed files with 17 additions and 5 deletions
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2
aegisub/src/subtitles_provider.cpp
View file

@ -53,7 +53,7 @@
///
SubtitlesProvider* SubtitlesProviderFactory::GetProvider() {
std::vector<std::string> list = GetClasses(OPT_GET("Subtitle/Provider")->GetString());
if (list.empty()) throw "No subtitle providers are available.";
if (list.empty()) throw wxString("No subtitle providers are available.");
// Get provider
wxString error;

14
aegisub/src/threaded_frame_source.cpp
View file

@ -76,7 +76,7 @@ std::tr1::shared_ptr<AegiVideoFrame> ThreadedFrameSource::ProcFrame(int frameNum
// This deliberately results in a call to LoadSubtitles while a render
// is pending making the queued render use the new file
if (!raw) {
if (!raw && provider) {
try {
wxMutexLocker locker(fileMutex);
if (subs.get() && singleFrame != frameNum) {
@ -167,9 +167,19 @@ void *ThreadedFrameSource::Entry() {
return EXIT_SUCCESS;
}
static SubtitlesProvider *get_subs_provider(wxEvtHandler *parent) {
try {
return SubtitlesProviderFactory::GetProvider();
}
catch (wxString const& err) {
parent->AddPendingEvent(SubtitlesProviderErrorEvent(err));
return 0;
}
}
ThreadedFrameSource::ThreadedFrameSource(wxString videoFileName, wxEvtHandler *parent)
: wxThread(wxTHREAD_JOINABLE)
, provider(SubtitlesProviderFactory::GetProvider())
, provider(get_subs_provider(parent))
, videoProvider(VideoProviderFactory::GetProvider(videoFileName))
, parent(parent)
, nextTime(-1.)

6
aegisub/src/threaded_frame_source.h
View file

@ -42,6 +42,8 @@
#endif
#include <libaegisub/exception.h>
#include <libaegisub/scoped_ptr.h>
#include "video_frame.h"
class AssFile;
@ -53,9 +55,9 @@ class VideoProviderError;
/// @brief An asynchronous video decoding and subtitle rendering wrapper
class ThreadedFrameSource : public wxThread {
/// Subtitles provider
std::auto_ptr<SubtitlesProvider> provider;
agi::scoped_ptr<SubtitlesProvider> provider;
/// Video provider
std::auto_ptr<VideoProvider> videoProvider;
agi::scoped_ptr<VideoProvider> videoProvider;
/// Event handler to send FrameReady events to
wxEvtHandler *parent;