X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fxinestream.cpp;h=416902a3d7b835907ddc39ef0384a2a3369f7c85;hb=9050978f3b1c47e5dd64380637eb3a430bbe7a4c;hp=43a7d980d8862310c50bc9cd89133a18621ef2aa;hpb=2e629085885b652a10d775695e63bc4892aa2eca;p=xinema.git

diff --git a/source/xinestream.cpp b/source/xinestream.cpp
index 43a7d98..416902a 100644
--- a/source/xinestream.cpp
+++ b/source/xinestream.cpp
@@ -7,18 +7,31 @@ using namespace Msp;
 
 XineStream::XineStream(XineEngine &e, const string &mrl):
 	engine(e),
-	state(STOPPED)
+	filename(mrl.substr(mrl.rfind('/')+1)),
+	state(STOPPED),
+	title(filename),
+	video_width(0),
+	video_height(0),
+	framerate(0.0f),
+	current_audio(0),
+	current_spu(OFF),
+	channels_changed(false)
 {
 	stream = xine_stream_new(engine.get_engine(), engine.get_audio_driver(), engine.get_video_driver());
-	xine_open(stream, mrl.c_str());
-
 	queue = xine_event_new_queue(stream);
+	xine_open(stream, mrl.c_str());
 
-	check_info();
+	update_channels();
+	update_info();
 
 	engine.add_stream(*this);
 }
 
+const string &XineStream::get_title() const
+{
+	return title.empty() ? filename : title;
+}
+
 XineStream::~XineStream()
 {
 	engine.remove_stream(*this);
@@ -73,6 +86,26 @@ void XineStream::set_state(State s)
 	signal_state_changed.emit(state);
 }
 
+void XineStream::select_audio_channel(int i)
+{
+	if(i>=0 && static_cast<unsigned>(i)>=audio_channels.size())
+		throw out_of_range("XineStream::set_audio_channel");
+
+	if(i<0)
+		i = OFF;
+	xine_set_param(stream, XINE_PARAM_AUDIO_CHANNEL_LOGICAL, (i==OFF ? -2 : i));
+}
+
+void XineStream::select_spu_channel(int i)
+{
+	if(i>=0 && static_cast<unsigned>(i)>=spu_channels.size())
+		throw out_of_range("XineStream::set_spu_channel");
+
+	if(i<0)
+		i = OFF;
+	xine_set_param(stream, XINE_PARAM_SPU_CHANNEL, (i==OFF ? -2 : i));
+}
+
 void XineStream::tick()
 {
 	while(xine_event_t *event = xine_event_get(queue))
@@ -81,17 +114,59 @@ void XineStream::tick()
 		xine_event_free(event);
 	}
 
-	check_info();
+	if(channels_changed)
+	{
+		channels_changed = false;
+		update_channels();
+	}
+
+	update_info();
+}
+
+bool XineStream::equals(const string &s1, const char *s2)
+{
+	if(!s2)
+		return s1.empty();
+	return !s1.compare(s2);
 }
 
-void XineStream::check_info()
+void XineStream::update_info()
 {
 	const char *xt = xine_get_meta_info(stream, XINE_META_INFO_TITLE);
-	if((xt && title.compare(xt)) || (!xt && !title.empty()))
+	if(!equals(title, xt))
 	{
 		MutexLock lock(mutex);
 		title = (xt ? xt : string());
-		signal_title_changed.emit(title);
+		signal_title_changed.emit(get_title());
+	}
+
+	unsigned w = xine_get_stream_info(stream, XINE_STREAM_INFO_VIDEO_WIDTH);
+	unsigned h = xine_get_stream_info(stream, XINE_STREAM_INFO_VIDEO_HEIGHT);
+	if(w!=video_width || h!=video_height)
+	{
+		MutexLock lock(mutex);
+		video_width = w;
+		video_height = h;
+		signal_video_size_changed.emit(video_width, video_height);
+	}
+
+	unsigned frame_dur = xine_get_stream_info(stream, XINE_STREAM_INFO_FRAME_DURATION);
+	float fps = (frame_dur ? 90000.0f/frame_dur : 0.0f);
+	if(fps!=framerate)
+	{
+		MutexLock lock(mutex);
+		framerate = fps;
+		signal_framerate_changed.emit(framerate);
+	}
+
+	const char *xvc = xine_get_meta_info(stream, XINE_META_INFO_VIDEOCODEC);
+	const char *xac = xine_get_meta_info(stream, XINE_META_INFO_AUDIOCODEC);
+	if(!equals(video_codec, xvc) || !equals(audio_codec, xac))
+	{
+		MutexLock lock(mutex);
+		video_codec = (xvc ? xvc : string());
+		audio_codec = (xac ? xac : string());
+		signal_codecs_changed.emit(video_codec, audio_codec);
 	}
 
 	int dur_msec, pos_msec;
@@ -110,6 +185,56 @@ void XineStream::check_info()
 		position = pos;
 		signal_position_changed.emit(position);
 	}
+
+	int audio = xine_get_param(stream, XINE_PARAM_AUDIO_CHANNEL_LOGICAL);
+	if(audio==-1 && !audio_channels.empty())
+		audio = 0;
+	else if(audio<0)
+		audio = OFF;
+	if(audio!=current_audio)
+	{
+		MutexLock lock(mutex);
+		current_audio = audio;
+		signal_current_audio_channel_changed.emit(current_audio);
+	}
+
+	int spu = xine_get_param(stream, XINE_PARAM_SPU_CHANNEL);
+	if(spu<0)
+		spu = OFF;
+	if(spu!=current_spu)
+	{
+		MutexLock lock(mutex);
+		current_spu = spu;
+		signal_current_spu_channel_changed.emit(current_spu);
+	}
+}
+
+void XineStream::update_channels()
+{
+	MutexLock lock(mutex);
+	char langbuf[XINE_LANG_MAX];
+
+	unsigned n_audio = xine_get_stream_info(stream, XINE_STREAM_INFO_MAX_AUDIO_CHANNEL);
+	audio_channels.resize(n_audio);
+	for(unsigned i=0; i<n_audio; ++i)
+	{
+		if(xine_get_audio_lang(stream, i, langbuf))
+			audio_channels[i].assign(langbuf);
+		else
+			audio_channels[i].assign("unknown");
+	}
+
+	unsigned n_spu = xine_get_stream_info(stream, XINE_STREAM_INFO_MAX_SPU_CHANNEL);
+	spu_channels.resize(n_spu);
+	for(unsigned i=0; i<n_spu; ++i)
+	{
+		if(xine_get_spu_lang(stream, i, langbuf))
+			spu_channels[i].assign(langbuf);
+		else
+			spu_channels[i].assign("unknown");
+	}
+
+	signal_channels_changed.emit();
 }
 
 void XineStream::handle_event(const xine_event_t &event)
@@ -118,6 +243,10 @@ void XineStream::handle_event(const xine_event_t &event)
 	{
 	case XINE_EVENT_UI_PLAYBACK_FINISHED:
 		set_state(STOPPED);
+		signal_finished.emit();
+		break;
+	case XINE_EVENT_UI_CHANNELS_CHANGED:
+		channels_changed = true;
 		break;
 	}
 }