add support for playing back videos with the not-yet-finished dvbvideosink/dvbaudiosink
[enigma2.git] / lib / service / servicemp3.cpp
index c0e4cd5..22b9a66 100644 (file)
@@ -106,9 +106,24 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
 {
        m_stream_tags = 0;
        CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
-       GstElement *source, *decoder, *conv, *flt, *sink;
+       GstElement *source = 0;
+       
+       GstElement *decoder = 0, *conv = 0, *flt = 0, *sink = 0; /* for audio */
+       
+       GstElement *audio = 0, *queue_audio = 0, *video = 0, *queue_video = 0, *mpegdemux = 0;
+       
        m_state = stIdle;
        eDebug("SERVICEMP3 construct!");
+       
+       
+               /* FIXME: currently, decodebin isn't possible for 
+                  video streams. in that case, make a manual pipeline. */
+
+       int is_video = !!strstr(filename, "mpg"); /* fixme */
+       
+       int use_decodebin = !is_video;
+       
+       int all_ok = 0;
 
        m_gst_pipeline = gst_pipeline_new ("audio-player");
        if (!m_gst_pipeline)
@@ -117,54 +132,93 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
        source = gst_element_factory_make ("filesrc", "file-source");
        if (!source)
                eWarning("failed to create filesrc");
+       
+       if (use_decodebin)
+       {
+                       /* filesrc -> decodebin -> audioconvert -> capsfilter -> alsasink */
                
-       decoder = gst_element_factory_make ("decodebin", "decoder");
-       if (!decoder)
-               eWarning("failed to create decodebin decoder");
+               decoder = gst_element_factory_make ("decodebin", "decoder");
+               if (!decoder)
+                       eWarning("failed to create decodebin decoder");
        
-       conv = gst_element_factory_make ("audioconvert", "converter");
-       if (!conv)
-               eWarning("failed to create audioconvert");
+               conv = gst_element_factory_make ("audioconvert", "converter");
+               if (!conv)
+                       eWarning("failed to create audioconvert");
        
-       flt = gst_element_factory_make ("capsfilter", "flt");
-       if (!flt)
-               eWarning("failed to create capsfilter");
+               flt = gst_element_factory_make ("capsfilter", "flt");
+               if (!flt)
+                       eWarning("failed to create capsfilter");
+       
+                       /* workaround for [3des]' driver bugs: */
+               if (flt)
+               {
+                       GstCaps *caps = gst_caps_new_simple("audio/x-raw-int", "endianness", G_TYPE_INT, 4321, (char*)0);
+                       g_object_set (G_OBJECT (flt), "caps", caps, (char*)0);
+                       gst_caps_unref(caps);
+               }
        
-               /* workaround for [3des]' driver bugs: */
-       if (flt)
+               sink = gst_element_factory_make ("alsasink", "alsa-output");
+               if (!sink)
+                       eWarning("failed to create osssink");
+               
+               if (source && decoder && conv && sink)
+                       all_ok = 1;
+       } else /* is_video */
        {
-               GstCaps *caps = gst_caps_new_simple("audio/x-raw-int", "endianness", G_TYPE_INT, 4321, 0);
-               g_object_set (G_OBJECT (flt), "caps", caps, 0);
-               gst_caps_unref(caps);
+                       /* filesrc -> mpegdemux -> | queue_audio -> dvbaudiosink
+                                                  | queue_video -> dvbvideosink */
+
+               audio = gst_element_factory_make("dvbaudiosink", "audio");
+               queue_audio = gst_element_factory_make("queue", "queue_audio");
+               
+               video = gst_element_factory_make("dvbvideosink", "video");
+               queue_video = gst_element_factory_make("queue", "queue_video");
+               
+               mpegdemux = gst_element_factory_make("mpegdemux", "mpegdemux");
+               
+               eDebug("audio: %p, queue_audio %p, video %p, queue_video %p, mpegdemux %p", audio, queue_audio, video, queue_video, mpegdemux);
+               if (audio && queue_audio && video && queue_video && mpegdemux)
+                       all_ok = 1;
        }
        
-       sink = gst_element_factory_make ("alsasink", "alsa-output");
-       if (!sink)
-               eWarning("failed to create osssink");
-       
-       if (m_gst_pipeline && source && decoder && conv && sink)
+       if (m_gst_pipeline && all_ok)
        {
                gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)), gstBusSyncHandler, this);
 
+                               /* configure source */
                g_object_set (G_OBJECT (source), "location", filename, NULL);
-               g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this);
-
-                       /* gst_bin will take the 'floating references' */
-               gst_bin_add_many (GST_BIN (m_gst_pipeline),
-                                       source, decoder, NULL);
-               
-               gst_element_link(source, decoder);
                
+               if (use_decodebin)
+               {
+                       g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this);
+                       g_signal_connect (decoder, "unknown-type", G_CALLBACK(gstCBunknownType), this);
+
+                               /* gst_bin will take the 'floating references' */
+                       gst_bin_add_many (GST_BIN (m_gst_pipeline),
+                                               source, decoder, NULL);
+                       gst_element_link(source, decoder);
+
                        /* create audio bin */
-               m_gst_audio = gst_bin_new ("audiobin");
-               GstPad *audiopad = gst_element_get_pad (conv, "sink");
-               
-               gst_bin_add_many(GST_BIN(m_gst_audio), conv, flt, sink, 0);
-               gst_element_link_many(conv, flt, sink, 0);
-               gst_element_add_pad(m_gst_audio, gst_ghost_pad_new ("sink", audiopad));
-               gst_object_unref(audiopad);
+                       m_gst_audio = gst_bin_new ("audiobin");
+                       GstPad *audiopad = gst_element_get_pad (conv, "sink");
                
-               gst_bin_add (GST_BIN(m_gst_pipeline), m_gst_audio);
+                       gst_bin_add_many(GST_BIN(m_gst_audio), conv, flt, sink, (char*)0);
+                       gst_element_link_many(conv, flt, sink, (char*)0);
+                       gst_element_add_pad(m_gst_audio, gst_ghost_pad_new ("sink", audiopad));
+                       gst_object_unref(audiopad);
+                       gst_bin_add (GST_BIN(m_gst_pipeline), m_gst_audio);
+               } else
+               {
+                       gst_bin_add_many(GST_BIN(m_gst_pipeline), source, mpegdemux, audio, queue_audio, video, queue_video, mpegdemux, NULL);
+                       gst_element_link(source, mpegdemux);
+                       gst_element_link(queue_audio, audio);
+                       gst_element_link(queue_video, video);
+                       
+                       m_gst_audioqueue = queue_audio;
+                       m_gst_videoqueue = queue_video;
+                       
+                       g_signal_connect(mpegdemux, "pad-added", G_CALLBACK (gstCBpadAdded), this);
+               }
        } else
        {
                if (m_gst_pipeline)
@@ -177,7 +231,20 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
                        gst_object_unref(GST_OBJECT(conv));
                if (sink)
                        gst_object_unref(GST_OBJECT(sink));
+
+               if (audio)
+                       gst_object_unref(GST_OBJECT(audio));
+               if (queue_audio)
+                       gst_object_unref(GST_OBJECT(queue_audio));
+               if (video)
+                       gst_object_unref(GST_OBJECT(video));
+               if (queue_video)
+                       gst_object_unref(GST_OBJECT(queue_video));
+               if (mpegdemux)
+                       gst_object_unref(GST_OBJECT(mpegdemux));
+
                eDebug("sorry, can't play.");
+               m_gst_pipeline = 0;
        }
        
        gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
@@ -459,7 +526,7 @@ void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
                g_free (debug);
                eWarning("Gstreamer error: %s", err->message);
                g_error_free(err);
-               exit(0);
+                       /* TODO: signal error condition to user */
                break;
        }
        case GST_MESSAGE_TAG:
@@ -490,6 +557,21 @@ GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message,
        return GST_BUS_PASS;
 }
 
+void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer user_data)
+{
+       eServiceMP3 *_this = (eServiceMP3*)user_data;
+       
+       gchar *name;
+       name = gst_pad_get_name (pad);
+       g_print ("A new pad %s was created\n", name);
+       if (!strcmp(name, "audio_00"))
+               gst_pad_link(pad, gst_element_get_pad (_this->m_gst_audioqueue, "sink"));
+       if (!strcmp(name, "video_00"))
+               gst_pad_link(pad, gst_element_get_pad (_this->m_gst_videoqueue, "sink"));
+       g_free (name);
+       
+}
+  
 void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer user_data)
 {
        eServiceMP3 *_this = (eServiceMP3*)user_data;
@@ -500,14 +582,16 @@ void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last,
        /* only link once */
        audiopad = gst_element_get_pad (_this->m_gst_audio, "sink");
        if (GST_PAD_IS_LINKED (audiopad)) {
+               eDebug("audio already linked!");
                g_object_unref (audiopad);
                return;
        }
-       
-       
+
        /* check media type */
        caps = gst_pad_get_caps (pad);
        str = gst_caps_get_structure (caps, 0);
+       eDebug("gst new pad! %s", gst_structure_get_name (str));
+       
        if (!g_strrstr (gst_structure_get_name (str), "audio")) {
                gst_caps_unref (caps);
                gst_object_unref (audiopad);
@@ -518,6 +602,17 @@ void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last,
        gst_pad_link (pad, audiopad);
 }
 
+void eServiceMP3::gstCBunknownType(GstElement *decodebin, GstPad *pad, GstCaps *caps, gpointer user_data)
+{
+       eServiceMP3 *_this = (eServiceMP3*)user_data;
+       GstStructure *str;
+       
+       /* check media type */
+       caps = gst_pad_get_caps (pad);
+       str = gst_caps_get_structure (caps, 0);
+       eDebug("unknown type: %s - this can't be decoded.", gst_structure_get_name (str));
+       gst_caps_unref (caps);
+}
 
 void eServiceMP3::gstPoll(const int&)
 {
@@ -531,7 +626,7 @@ void eServiceMP3::gstPoll(const int&)
        
        GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline));
        GstMessage *message;
-       while (message = gst_bus_pop (bus))
+       while ((message = gst_bus_pop (bus)))
        {
                gstBusCall(bus, message);
                gst_message_unref (message);