X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fxinestream.cpp;h=7317f7c8838449e8e901676ea4b8ebce4799760a;hb=f6ea07afd139ecfe76f9a72e4c736d94a1e67820;hp=a702b28b335e66ce0ed840c1d11f68da83aa22aa;hpb=a4982bb4d3fd9908aa01c824ac6202ac8618ac24;p=xinema.git

diff --git a/source/xinestream.cpp b/source/xinestream.cpp
index a702b28..7317f7c 100644
--- a/source/xinestream.cpp
+++ b/source/xinestream.cpp
@@ -8,15 +8,16 @@ using namespace Msp;
 XineStream::XineStream(XineEngine &e, const string &mrl):
 	engine(e),
 	state(STOPPED),
+	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());
 
-	update_info();
 	update_channels();
+	update_info();
 
 	engine.add_stream(*this);
 }
@@ -30,32 +31,6 @@ XineStream::~XineStream()
 	xine_dispose(stream);
 }
 
-void XineStream::set_audio_channel(unsigned i)
-{
-	if(i>=audio_channels.size())
-		throw out_of_range("XineStream::set_audio_channel");
-
-	xine_set_param(stream, XINE_PARAM_AUDIO_CHANNEL_LOGICAL, i);
-}
-
-void XineStream::set_audio_off()
-{
-	xine_set_param(stream, XINE_PARAM_AUDIO_CHANNEL_LOGICAL, -2);
-}
-
-void XineStream::set_spu_channel(unsigned i)
-{
-	if(i>=spu_channels.size())
-		throw out_of_range("XineStream::set_spu_channel");
-
-	xine_set_param(stream, XINE_PARAM_SPU_CHANNEL, i);
-}
-
-void XineStream::set_spu_off()
-{
-	xine_set_param(stream, XINE_PARAM_SPU_CHANNEL, -2);
-}
-
 void XineStream::play()
 {
 	if(state==STOPPED)
@@ -101,6 +76,26 @@ 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))
@@ -109,13 +104,13 @@ void XineStream::tick()
 		xine_event_free(event);
 	}
 
-	update_info();
-
 	if(channels_changed)
 	{
 		channels_changed = false;
 		update_channels();
 	}
+
+	update_info();
 }
 
 void XineStream::update_info()
@@ -144,6 +139,28 @@ void XineStream::update_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()
@@ -155,16 +172,20 @@ void XineStream::update_channels()
 	audio_channels.resize(n_audio);
 	for(unsigned i=0; i<n_audio; ++i)
 	{
-		xine_get_audio_lang(stream, i, langbuf);
-		audio_channels[i].assign(langbuf);
+		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)
 	{
-		xine_get_spu_lang(stream, i, langbuf);
-		spu_channels[i].assign(langbuf);
+		if(xine_get_spu_lang(stream, i, langbuf))
+			spu_channels[i].assign(langbuf);
+		else
+			spu_channels[i].assign("unknown");
 	}
 
 	signal_channels_changed.emit();