Playing in video mode will now play the audio as well even if it hasn't been previously loaded into audio mode (experimental).

Originally committed to SVN as r452.

core/audio_display.cpp

@@ -71,6 +71,7 @@ AudioDisplay::AudioDisplay(wxWindow *parent,VideoDisplay *display)
 	diagUpdated = false;
 	NeedCommit = false;
 	loaded = false;
+	temporary = false;
 	blockUpdate = false;
 	dontReadTimes = false;
 	holding = false;
@@ -917,7 +918,26 @@ __int64 AudioDisplay::GetSampleAtMS(__int64 ms) {
 // Play
 void AudioDisplay::Play(int start,int end) {
 	// Check provider
-	if (!provider) return;
+	if (!provider) {
+		// Load temporary provider from video
+		if (video->loaded) {
+			try {
+				// Get provider
+				provider = AudioProvider::GetAudioProvider(video->videoName, this, video->provider,0);
+
+				// Get player
+				player = AudioPlayer::GetAudioPlayer();
+				player->SetDisplayTimer(&UpdateTimer);
+				player->SetProvider(provider);
+				player->OpenStream();
+				temporary = true;
+			}
+			catch (...) {
+				return;
+			}
+		}
+		if (!provider) return;
+	}
 
 	// Set defaults
 	__int64 num_samples = provider->GetNumSamples();

core/audio_display.h

@@ -119,6 +119,7 @@ public:
 
 	bool NeedCommit;
 	bool loaded;
+	bool temporary;
 	int w,h;
 	AudioBox *box;
 	AudioKaraoke *karaoke;

core/audio_provider.cpp

@@ -162,7 +162,7 @@ void AudioProvider::GetWaveForm(int *min,int *peak,__int64 start,int w,int h,int
 
 ////////////////
 // Get provider
-AudioProvider *AudioProvider::GetAudioProvider(wxString filename, AudioDisplay *display, VideoProvider *vprovider) {
+AudioProvider *AudioProvider::GetAudioProvider(wxString filename, AudioDisplay *display, VideoProvider *vprovider,int cache) {
 	// Prepare provider
 	AudioProvider *provider = NULL;
 
@@ -181,15 +181,15 @@ AudioProvider *AudioProvider::GetAudioProvider(wxString filename, AudioDisplay *
 	}
 
 	// Change provider to RAM/HD cache if needed
-	int cacheMode = Options.AsInt(_T("Audio Cache"));
+	if (cache == -1) cache = Options.AsInt(_T("Audio Cache"));
-	if (cacheMode) {
+	if (cache) {
 		AudioProvider *final = NULL;
-		
+
 		// Convert to RAM
-		if (cacheMode == 1) final = new RAMAudioProvider(provider);
+		if (cache == 1) final = new RAMAudioProvider(provider);
 		
 		// Convert to HD
-		if (cacheMode == 2) final = new HDAudioProvider(provider);
+		if (cache == 2) final = new HDAudioProvider(provider);
 		
 		// Reassign
 		if (final) {

core/audio_provider.h

@@ -76,5 +76,5 @@ public:
 	int GetBytesPerSample();
 
 	void GetWaveForm(int *min,int *peak,__int64 start,int w,int h,int samples,float scale);
-	static AudioProvider *GetAudioProvider(wxString filename, AudioDisplay *display, VideoProvider *vprovider);
+	static AudioProvider *GetAudioProvider(wxString filename, AudioDisplay *display, VideoProvider *vprovider,int cache=-1);
 };

core/changelog.txt

@@ -90,6 +90,7 @@ Please visit http://aegisub.net to download latest version
 - Implemented an Attached files list, where you can attach new fonts and graphics, extract them, or remove them from the script file. (AMZ)
 - The Font Collector can now collect fonts as script attachments. (AMZ)
 - Added recent menu to Video Timecodes. (AMZ)
+- Playing in video mode will now play the audio as well even if it hasn't been previously loaded into audio mode (experimental). (AMZ)
 
 
 = 1.09 beta - 2006.01.16 ===========================

core/video_display.cpp

@@ -92,6 +92,7 @@ END_EVENT_TABLE()
 VideoDisplay::VideoDisplay(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
              : wxWindow (parent, id, pos, size, style, name)
 {
+	audio = NULL;
 	provider = NULL;
 	curLine = NULL;
 	backbuffer = NULL;
@@ -202,9 +203,7 @@ void VideoDisplay::SetVideo(const wxString &filename) {
 			length = provider->GetFrameCount();
 			fps = provider->GetFPS();
 			VFR_Input.SetCFR(fps);
-
+			if (VFR_Output.GetFrameRateType() != VFR) VFR_Output.SetCFR(fps);
-			if (!VFR_Output.IsLoaded()) 
-				VFR_Output.SetCFR(fps);
 
 			// Set range of slider
 			ControlSlider->SetRange(0,length-1);
@@ -236,6 +235,15 @@ void VideoDisplay::Reset() {
 	int _w,_h;
 	GetSize(&_w,&_h);
 	SetSizeHints(_w,_h,_w,_h);
+
+	// Remove temporary audio provider
+	if (audio && audio->temporary) {
+		delete audio->provider;
+		audio->provider = NULL;
+		delete audio->player;
+		audio->player = NULL;
+		audio->temporary = false;
+	}
 }
 
 void VideoDisplay::RefreshSubtitles() {
@@ -821,8 +829,6 @@ void VideoDisplay::Play() {
 
 	// Set variables
 	IsPlaying = true;
-	StartTime = clock();
-	PlayTime = StartTime;
 	StartFrame = frame_n;
 	EndFrame = -1;
 
@@ -830,6 +836,8 @@ void VideoDisplay::Play() {
 	audio->Play(VFR_Output.GetTimeAtFrame(StartFrame),-1);
 
 	// Start timer
+	StartTime = clock();
+	PlayTime = StartTime;
 	Playback.SetOwner(this,VIDEO_PLAY_TIMER);
 	Playback.Start(1);
 }
@@ -842,6 +850,9 @@ void VideoDisplay::PlayLine() {
 	AssDialogue *curline = grid->GetDialogue(grid->editBox->linen);
 	if (!curline) return;
 
+	// Start playing audio
+	audio->Play(curline->Start.GetMS(),curline->End.GetMS());
+
 	// Set variables
 	IsPlaying = true;
 	StartFrame = VFR_Output.GetFrameAtTime(curline->Start.GetMS(),true);
@@ -855,9 +866,6 @@ void VideoDisplay::PlayLine() {
 	StartTime = clock();
 	PlayTime = StartTime;
 
-	// Start playing audio
-	audio->Play(curline->Start.GetMS(),curline->End.GetMS());
-
 	// Start timer
 	Playback.SetOwner(this,VIDEO_PLAY_TIMER);
 	Playback.Start(1);
@@ -902,6 +910,9 @@ void VideoDisplay::OnPlayTimer(wxTimerEvent &event) {
 		return;
 	}
 
+	// Next frame is before or over 2 frames ahead, so force audio resync
+	if (nextFrame < frame_n || nextFrame > frame_n + 2) audio->player->SetCurrentPosition(audio->GetSampleAtMS(VFR_Output.GetTimeAtFrame(nextFrame)));
+
 	// Jump to next frame
 	PlayNextFrame = nextFrame;
 	JumpToFrame(nextFrame);
@@ -910,7 +921,10 @@ void VideoDisplay::OnPlayTimer(wxTimerEvent &event) {
 	if (nextFrame % 10 == 0) {
 		__int64 audPos = audio->GetSampleAtMS(VFR_Output.GetTimeAtFrame(nextFrame));
 		__int64 curPos = audio->player->GetCurrentPosition();
-		if (abs(int(audPos-curPos)) > audio->provider->GetSampleRate() / 10) audio->player->SetCurrentPosition(audPos);
+		int delta = int(audPos-curPos);
+		if (delta < 0) delta = -delta;
+		int maxDelta = audio->provider->GetSampleRate();
+		if (delta > maxDelta) audio->player->SetCurrentPosition(audPos);
 	}
 }