+
+ 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();