servicemp3.cpp: dont apply ac3/pcm delay when no video is running
[enigma2.git] / lib / service / servicemp3.cpp
index af9e1d34a52725b2f270b1b4f170b6cc3285cccb..f74bc5ee66aa463b2ad0c3f1126eac1ff6cd2d36 100644 (file)
@@ -2,20 +2,23 @@
 
        /* note: this requires gstreamer 0.10.x and a big list of plugins. */
        /* it's currently hardcoded to use a big-endian alsasink as sink. */
+#include <lib/base/ebase.h>
 #include <lib/base/eerror.h>
+#include <lib/base/init_num.h>
+#include <lib/base/init.h>
+#include <lib/base/nconfig.h>
 #include <lib/base/object.h>
-#include <lib/base/ebase.h>
-#include <string>
+#include <lib/dvb/decoder.h>
+#include <lib/components/file_eraser.h>
+#include <lib/gui/esubtitle.h>
 #include <lib/service/servicemp3.h>
 #include <lib/service/service.h>
-#include <lib/components/file_eraser.h>
-#include <lib/base/init_num.h>
-#include <lib/base/init.h>
+
+#include <string>
+
 #include <gst/gst.h>
 #include <gst/pbutils/missing-plugins.h>
 #include <sys/stat.h>
-/* for subtitles */
-#include <lib/gui/esubtitle.h>
 
 // eServiceFactoryMP3
 
@@ -186,6 +189,8 @@ int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 }
 
 // eServiceMP3
+int eServiceMP3::ac3_delay,
+    eServiceMP3::pcm_delay;
 
 eServiceMP3::eServiceMP3(eServiceReference ref)
        :m_ref(ref), m_pump(eApp, 1)
@@ -193,7 +198,7 @@ eServiceMP3::eServiceMP3(eServiceReference ref)
        m_seekTimeout = eTimer::create(eApp);
        m_subtitle_sync_timer = eTimer::create(eApp);
        m_stream_tags = 0;
-       m_currentAudioStream = 0;
+       m_currentAudioStream = -1;
        m_currentSubtitleStream = 0;
        m_subtitle_widget = 0;
        m_currentTrickRatio = 0;
@@ -301,7 +306,7 @@ eServiceMP3::eServiceMP3(eServiceReference ref)
                eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
        else
        {
-               g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
+               m_subs_to_pull_handler_id = g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
                g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
        }
 
@@ -334,16 +339,28 @@ eServiceMP3::eServiceMP3(eServiceReference ref)
                m_gst_playbin = 0;
        }
 
-       gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
        setBufferSize(m_buffer_size);
 }
 
 eServiceMP3::~eServiceMP3()
 {
+       // disconnect subtitle callback
+       GstElement *sink;
+       g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
+       if (sink)
+       {
+               g_signal_handler_disconnect (sink, m_subs_to_pull_handler_id);
+               gst_object_unref(sink);
+       }
+
        delete m_subtitle_widget;
+
+       // disconnect sync handler callback
+       gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), NULL, NULL);
+
        if (m_state == stRunning)
                stop();
-       
+
        if (m_stream_tags)
                gst_tag_list_free(m_stream_tags);
        
@@ -354,7 +371,7 @@ eServiceMP3::~eServiceMP3()
        }
 }
 
-DEFINE_REF(eServiceMP3);       
+DEFINE_REF(eServiceMP3);
 
 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 {
@@ -365,25 +382,30 @@ RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event,
 RESULT eServiceMP3::start()
 {
        ASSERT(m_state == stIdle);
-       
+
        m_state = stRunning;
        if (m_gst_playbin)
        {
                eDebug("eServiceMP3::starting pipeline");
                gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
        }
+
        m_event(this, evStart);
+
        return 0;
 }
 
 RESULT eServiceMP3::stop()
 {
        ASSERT(m_state != stIdle);
+
        if (m_state == stStopped)
                return -1;
+
        eDebug("eServiceMP3::stop %s", m_ref.path.c_str());
        gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
        m_state = stStopped;
+
        return 0;
 }
 
@@ -641,7 +663,6 @@ RESULT eServiceMP3::getName(std::string &name)
        return 0;
 }
 
-
 int eServiceMP3::getInfo(int w)
 {
        const gchar *tag = 0;
@@ -937,6 +958,12 @@ RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
        return 0;
 }
 
+RESULT eServiceMP3::audioDelay(ePtr<iAudioDelay> &ptr)
+{
+       ptr = this;
+       return 0;
+}
+
 int eServiceMP3::getNumberOfTracks()
 {
        return m_audioStreams.size();
@@ -944,6 +971,8 @@ int eServiceMP3::getNumberOfTracks()
 
 int eServiceMP3::getCurrentTrack()
 {
+       if (m_currentAudioStream == -1)
+               g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &m_currentAudioStream, NULL);
        return m_currentAudioStream;
 }
 
@@ -1073,6 +1102,8 @@ void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
                                                g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
                                                gst_object_unref(sink);
                                        }
+                                       setAC3Delay(ac3_delay);
+                                       setPCMDelay(pcm_delay);
                                }       break;
                                case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
                                {
@@ -1559,6 +1590,96 @@ int eServiceMP3::setBufferSize(int size)
        return 0;
 }
 
+int eServiceMP3::getAC3Delay()
+{
+       return ac3_delay;
+}
+
+int eServiceMP3::getPCMDelay()
+{
+       return pcm_delay;
+}
+
+void eServiceMP3::setAC3Delay(int delay)
+{
+       ac3_delay = delay;
+       if (!m_gst_playbin || m_state != stRunning)
+               return;
+       else
+       {
+               GstElement *sink;
+               int config_delay_int = delay;
+               g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
+
+               if (sink)
+               {
+                       std::string config_delay;
+                       if(ePythonConfigQuery::getConfigValue("config.av.generalAC3delay", config_delay) == 0)
+                               config_delay_int += atoi(config_delay.c_str());
+                       gst_object_unref(sink);
+               }
+               else
+               {
+                       eDebug("dont apply ac3 delay when no video is running!");
+                       config_delay_int = 0;
+               }
+
+               g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
+
+               if (sink)
+               {
+                       gchar *name = gst_element_get_name(sink);
+                       if (strstr(name, "dvbaudiosink"))
+                               eTSMPEGDecoder::setHwAC3Delay(config_delay_int);
+                       g_free(name);
+                       gst_object_unref(sink);
+               }
+       }
+}
+
+void eServiceMP3::setPCMDelay(int delay)
+{
+       pcm_delay = delay;
+       if (!m_gst_playbin || m_state != stRunning)
+               return;
+       else
+       {
+               GstElement *sink;
+               int config_delay_int = delay;
+               g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
+
+               if (sink)
+               {
+                       std::string config_delay;
+                       if(ePythonConfigQuery::getConfigValue("config.av.generalPCMdelay", config_delay) == 0)
+                               config_delay_int += atoi(config_delay.c_str());
+                       gst_object_unref(sink);
+               }
+               else
+               {
+                       eDebug("dont apply pcm delay when no video is running!");
+                       config_delay_int = 0;
+               }
+
+               g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
+
+               if (sink)
+               {
+                       gchar *name = gst_element_get_name(sink);
+                       if (strstr(name, "dvbaudiosink"))
+                               eTSMPEGDecoder::setHwPCMDelay(config_delay_int);
+                       else
+                       {
+                               // this is realy untested..and not used yet
+                               gint64 offset = config_delay_int;
+                               offset *= 1000000; // milli to nano
+                               g_object_set (G_OBJECT (m_gst_playbin), "ts-offset", offset, NULL);
+                       }
+                       g_free(name);
+                       gst_object_unref(sink);
+               }
+       }
+}
 
 #else
 #warning gstreamer not available, not building media player