Support changing audio and SPU channels

[xinema.git] / source / xinestream.cpp

diff --git a/source/xinestream.cpp b/source/xinestream.cpp
index 619ec5800872e7d1c843f4eddde41c50178c1193..a702b28b335e66ce0ed840c1d11f68da83aa22aa 100644 (file)
--- a/source/xinestream.cpp
+++ b/source/xinestream.cpp
@@ -1,4 +1,4 @@
-#include <msp/io/print.h>
+#include <msp/strings/format.h>
 #include "xineengine.h"
 #include "xinestream.h"
 
@@ -7,14 +7,16 @@ using namespace Msp;
 
 XineStream::XineStream(XineEngine &e, const string &mrl):
        engine(e),
-       state(STOPPED)
+       state(STOPPED),
+       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);
 
-       check_info();
+       update_info();
+       update_channels();
 
        engine.add_stream(*this);
 }
@@ -28,6 +30,32 @@ 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)
@@ -68,6 +96,7 @@ void XineStream::set_state(State s)
        if(s==state)
                return;
 
+       MutexLock lock(mutex);
        state = s;
        signal_state_changed.emit(state);
 }
@@ -80,23 +109,22 @@ void XineStream::tick()
                xine_event_free(event);
        }
 
-       check_info();
+       update_info();
+
+       if(channels_changed)
+       {
+               channels_changed = false;
+               update_channels();
+       }
 }
 
-void XineStream::check_info()
+void XineStream::update_info()
 {
        const char *xt = xine_get_meta_info(stream, XINE_META_INFO_TITLE);
-       if(xt)
-       {
-               if(title.compare(xt))
-               {
-                       title = xt;
-                       signal_title_changed.emit(title);
-               }
-       }
-       else if(!title.empty())
+       if((xt && title.compare(xt)) || (!xt && !title.empty()))
        {
-               title.clear();
+               MutexLock lock(mutex);
+               title = (xt ? xt : string());
                signal_title_changed.emit(title);
        }
 
@@ -106,28 +134,52 @@ void XineStream::check_info()
        Time::TimeDelta pos = pos_msec*Time::msec;
        if(dur!=duration)
        {
+               MutexLock lock(mutex);
                duration = dur;
                signal_duration_changed.emit(duration);
        }
        if(pos!=position)
        {
+               MutexLock lock(mutex);
                position = pos;
                signal_position_changed.emit(position);
        }
 }
 
+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)
+       {
+               xine_get_audio_lang(stream, i, langbuf);
+               audio_channels[i].assign(langbuf);
+       }
+
+       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);
+       }
+
+       signal_channels_changed.emit();
+}
+
 void XineStream::handle_event(const xine_event_t &event)
 {
        switch(event.type)
        {
        case XINE_EVENT_UI_PLAYBACK_FINISHED:
                set_state(STOPPED);
+               signal_finished.emit();
                break;
-       case XINE_EVENT_PROGRESS:
-               {
-                       xine_progress_data_t *data = reinterpret_cast<xine_progress_data_t *>(event.data);
-                       IO::print("%s [%d%%]\n", data->description, data->percent);
-               }
+       case XINE_EVENT_UI_CHANNELS_CHANGED:
+               channels_changed = true;
                break;
        }
 }