Allow playback of VCD (Video CD) and SVCD
[enigma2.git] / lib / service / servicemp3.cpp
index 331f7a246507b96a1d080e58091061eee869ce2b..0197d26ff66b0cced0e280b987ac9b5d942549cb 100644 (file)
@@ -8,9 +8,13 @@
 #include <string>
 #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 <gst/gst.h>
+#include <sys/stat.h>
+/* for subtitles */
+#include <lib/gui/esubtitle.h>
 
 // eServiceFactoryMP3
 
@@ -73,13 +77,64 @@ RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServic
        return 0;
 }
 
-RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &, ePtr<iServiceOfflineOperations> &ptr)
+class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
 {
-       ptr = 0;
-       return -1;
+       DECLARE_REF(eMP3ServiceOfflineOperations);
+       eServiceReference m_ref;
+public:
+       eMP3ServiceOfflineOperations(const eServiceReference &ref);
+       
+       RESULT deleteFromDisk(int simulate);
+       RESULT getListOfFilenames(std::list<std::string> &);
+};
+
+DEFINE_REF(eMP3ServiceOfflineOperations);
+
+eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
+{
+}
+
+RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
+{
+       if (simulate)
+               return 0;
+       else
+       {
+               std::list<std::string> res;
+               if (getListOfFilenames(res))
+                       return -1;
+               
+               eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
+               if (!eraser)
+                       eDebug("FATAL !! can't get background file eraser");
+               
+               for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
+               {
+                       eDebug("Removing %s...", i->c_str());
+                       if (eraser)
+                               eraser->erase(i->c_str());
+                       else
+                               ::unlink(i->c_str());
+               }
+               
+               return 0;
+       }
+}
+
+RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
+{
+       res.clear();
+       res.push_back(m_ref.path);
+       return 0;
 }
 
 
+RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
+{
+       ptr = new eMP3ServiceOfflineOperations(ref);
+       return 0;
+}
+
 // eStaticServiceMP3Info
 
 
@@ -117,7 +172,12 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
 {
        m_stream_tags = 0;
        m_audioStreams.clear();
+       m_subtitleStreams.clear();
        m_currentAudioStream = 0;
+       m_currentSubtitleStream = 0;
+       m_subtitle_widget = 0;
+       m_currentTrickRatio = 0;
+       CONNECT(m_seekTimeout.timeout, eServiceMP3::seekTimeoutCB);
        CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
        GstElement *source = 0;
        
@@ -135,7 +195,7 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
        if (!ext)
                ext = filename;
 
-       int is_mpeg_ps = !(strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin"));
+       int is_mpeg_ps = !(strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat"));
        int is_mpeg_ts = !strcasecmp(ext, ".ts");
        int is_matroska = !strcasecmp(ext, ".mkv");
        int is_avi = !strcasecmp(ext, ".avi");
@@ -147,7 +207,7 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
        eDebug("filename: %s, is_mpeg_ps: %d, is_mpeg_ts: %d, is_video: %d, is_streaming: %d, is_mp3: %d, is_matroska: %d, is_avi: %d, is_AudioCD: %d", filename, is_mpeg_ps, is_mpeg_ts, is_video, is_streaming, is_mp3, is_matroska, is_avi, is_AudioCD);
        
        int is_audio = !is_video;
-       
+
        int all_ok = 0;
 
        m_gst_pipeline = gst_pipeline_new ("mediaplayer");
@@ -309,12 +369,42 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
                        gst_element_add_pad(audio, gst_ghost_pad_new ("sink", audiopad));
                        gst_object_unref(audiopad);
                        gst_bin_add (GST_BIN(m_gst_pipeline), audio);
-
                                /* in mad's case, we can directly connect the decoder to the audiobin. otherwise, we do this in gstCBnewPad */
                        if (is_mp3)
                                gst_element_link(decoder, audio);
+                       audioStream audioStreamElem;
+                       m_audioStreams.push_back(audioStreamElem);
                } else /* is_video */
                {
+                       char srt_filename[strlen(filename)+1];
+                       strncpy(srt_filename,filename,strlen(filename)-3);
+                       srt_filename[strlen(filename)-3]='\0';
+                       strcat(srt_filename, "srt");
+                       struct stat buffer;
+                       if (stat(srt_filename, &buffer) == 0)
+                       {
+                               eDebug("subtitle file found: %s",srt_filename);
+                               GstElement *subsource;
+                               subsource = gst_element_factory_make ("filesrc", "srt_source");
+                               g_object_set (G_OBJECT (subsource), "location", filename, NULL);
+                               GstElement *parser = gst_element_factory_make("subparse", "srt_parse");
+                               eDebug ("subparse = %p", parser);
+                               GstElement *sink = gst_element_factory_make("fakesink", "srt_sink");
+                               eDebug ("fakesink = %p", sink);
+                               g_object_set (G_OBJECT(sink), "signal-handoffs", TRUE, NULL);
+                               gst_bin_add_many(GST_BIN (m_gst_pipeline), subsource, parser, sink, NULL);
+                               GstPadLinkReturn res = gst_element_link(subsource, parser);
+                               eDebug ("parser link = %d", res);
+                               res = gst_element_link(parser, sink);
+                               eDebug ("sink link = %d", res);
+                               g_signal_connect(sink, "handoff", G_CALLBACK(gstCBsubtitleAvail), this);
+                               subtitleStream subs;
+                               subs.element = sink;
+                               m_subtitleStreams.push_back(subs);
+                       }
+                       else
+                               eDebug("subtitle file not found: %s",srt_filename);
+
                        gst_bin_add_many(GST_BIN(m_gst_pipeline), source, videodemux, audio, queue_audio, video, queue_video, NULL);
                        switch_audio = gst_element_factory_make ("input-selector", "switch_audio");
                        if (switch_audio)
@@ -351,6 +441,8 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
                        gst_object_unref(GST_OBJECT(queue_video));
                if (videodemux)
                        gst_object_unref(GST_OBJECT(videodemux));
+               if (switch_audio)
+                       gst_object_unref(GST_OBJECT(switch_audio));
 
                eDebug("sorry, can't play.");
                m_gst_pipeline = 0;
@@ -361,6 +453,7 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp
 
 eServiceMP3::~eServiceMP3()
 {
+       delete m_subtitle_widget;
        if (m_state == stRunning)
                stop();
        
@@ -420,20 +513,54 @@ RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 
 RESULT eServiceMP3::setSlowMotion(int ratio)
 {
+       /* we can't do slomo yet */
        return -1;
 }
 
 RESULT eServiceMP3::setFastForward(int ratio)
 {
-       return -1;
+       m_currentTrickRatio = ratio;
+       if (ratio)
+               m_seekTimeout.start(1000, 0);
+       else
+               m_seekTimeout.stop();
+       return 0;
+}
+
+void eServiceMP3::seekTimeoutCB()
+{
+       pts_t ppos, len;
+       getPlayPosition(ppos);
+       getLength(len);
+       ppos += 90000*m_currentTrickRatio;
+       
+       if (ppos < 0)
+       {
+               ppos = 0;
+               m_seekTimeout.stop();
+       }
+       if (ppos > len)
+       {
+               ppos = 0;
+               stop();
+               m_seekTimeout.stop();
+               return;
+       }
+       seekTo(ppos);
 }
-  
+
                // iPausableService
 RESULT eServiceMP3::pause()
 {
        if (!m_gst_pipeline)
                return -1;
-       gst_element_set_state(m_gst_pipeline, GST_STATE_PAUSED);
+       GstStateChangeReturn res = gst_element_set_state(m_gst_pipeline, GST_STATE_PAUSED);
+       if (res == GST_STATE_CHANGE_ASYNC)
+       {
+               pts_t ppos;
+               getPlayPosition(ppos);
+               seekTo(ppos);
+       }
        return 0;
 }
 
@@ -441,7 +568,9 @@ RESULT eServiceMP3::unpause()
 {
        if (!m_gst_pipeline)
                return -1;
-       gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING);
+
+       GstStateChangeReturn res;
+       res = gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING);
        return 0;
 }
 
@@ -493,8 +622,6 @@ RESULT eServiceMP3::seekRelative(int direction, pts_t to)
        if (!m_gst_pipeline)
                return -1;
 
-       pause();
-
        pts_t ppos;
        getPlayPosition(ppos);
        ppos += to * direction;
@@ -502,8 +629,6 @@ RESULT eServiceMP3::seekRelative(int direction, pts_t to)
                ppos = 0;
        seekTo(ppos);
        
-       unpause();
-
        return 0;
 }
 
@@ -527,7 +652,7 @@ RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 
 RESULT eServiceMP3::setTrickmode(int trick)
 {
-               /* trickmode currently doesn't make any sense for us. */
+               /* trickmode is not yet supported by our dvbmediasinks. */
        return -1;
 }
 
@@ -643,6 +768,12 @@ RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
        return 0;
 }
 
+RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
+{
+       ptr = this;
+       return 0;
+}
+
 int eServiceMP3::getNumberOfTracks()
 {
        return m_audioStreams.size();
@@ -654,6 +785,17 @@ int eServiceMP3::getCurrentTrack()
 }
 
 RESULT eServiceMP3::selectTrack(unsigned int i)
+{
+       int ret = selectAudioStream(i);
+       /* flush */
+       pts_t ppos;
+       getPlayPosition(ppos);
+       seekTo(ppos);
+
+       return ret;
+}
+
+int eServiceMP3::selectAudioStream(int i)
 {
        gint nb_sources;
        GstPad *active_pad;
@@ -664,7 +806,6 @@ RESULT eServiceMP3::selectTrack(unsigned int i)
                return -1;
        }
        g_object_get (G_OBJECT (selector), "n-pads", &nb_sources, NULL);
-       g_object_get (G_OBJECT (selector), "active-pad", &active_pad, NULL);
        if ( i >= m_audioStreams.size() || i >= nb_sources || m_currentAudioStream >= m_audioStreams.size() )
                return -2;
        char sinkpad[8];
@@ -703,8 +844,12 @@ RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
                info.m_description = "AC3";
        else if (m_audioStreams[i].type == audioStream::atAAC)
                info.m_description = "AAC";
-       else  if (m_audioStreams[i].type == audioStream::atDTS)
+       else if (m_audioStreams[i].type == audioStream::atDTS)
                info.m_description = "DTS";
+       else if (m_audioStreams[i].type == audioStream::atPCM)
+               info.m_description = "PCM";
+       else if (m_audioStreams[i].type == audioStream::atOGG)
+               info.m_description = "OGG";
        else
                info.m_description = "???";
        if (info.m_language.empty())
@@ -720,7 +865,7 @@ void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
        GstObject *source;
 
        source = GST_MESSAGE_SRC(msg);
-       sourceName = gst_object_get_name(source);       
+       sourceName = gst_object_get_name(source);
 
        if (gst_message_get_structure(msg))
        {
@@ -766,17 +911,21 @@ void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
                        m_stream_tags = result;
                }
                gchar *g_audiocodec;
-               if (gst_tag_list_get_string(m_stream_tags, GST_TAG_AUDIO_CODEC, &g_audiocodec))
+               if (gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_audiocodec) && m_audioStreams.size())
                {
                        std::vector<audioStream>::iterator IterAudioStream = m_audioStreams.begin();
                        while ( IterAudioStream->language_code.length() && IterAudioStream != m_audioStreams.end())
                                IterAudioStream++;
                        if ( g_strrstr(g_audiocodec, "MPEG-1 layer 2") )
                                IterAudioStream->type = audioStream::atMP2;
+                       else if ( g_strrstr(g_audiocodec, "MPEG-1 layer 3") )
+                               IterAudioStream->type = audioStream::atMP3;
                        else if ( g_strrstr(g_audiocodec, "AC-3 audio") )
                                IterAudioStream->type = audioStream::atAC3;
+                       else if ( g_strrstr(g_audiocodec, "Uncompressed 16-bit PCM audio") )
+                               IterAudioStream->type = audioStream::atPCM;
                        gchar *g_language;
-                       if ( gst_tag_list_get_string(m_stream_tags, GST_TAG_LANGUAGE_CODE, &g_language) )
+                       if ( gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_language) )
                                IterAudioStream->language_code = std::string(g_language);
                        g_free (g_language);
                        g_free (g_audiocodec);
@@ -812,10 +961,10 @@ void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer use
                _this->m_audioStreams.push_back(audio);
                if ( selector )
                {
-                       GstPadLinkReturn ret = gst_pad_link(pad, gst_element_get_request_pad (selector, "sink%d"));
+                       gst_pad_link(pad, gst_element_get_request_pad (selector, "sink%d"));
                        if ( _this->m_audioStreams.size() == 1 )
                        {
-                               _this->selectTrack(0);
+                               _this->selectAudioStream(0);
                                gst_element_set_state (_this->m_gst_pipeline, GST_STATE_PLAYING);
                        }
                        else
@@ -828,6 +977,30 @@ void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer use
        {
                gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline,"queue_video"), "sink"));
        }
+       if (g_strrstr(name,"subtitle"))
+       {
+//             GstCaps *caps;
+//             const GstStructure *structure;  
+//             caps = gst_pad_get_caps(name);
+//             structure = gst_caps_get_structure(caps, 0);
+               char elemname[17];
+               sprintf(elemname, "%s_pars", name);
+               GstElement *parser = gst_element_factory_make("ssaparse", elemname);
+               eDebug ("ssaparse %s = %p", elemname, parser);
+               sprintf(elemname, "%s_sink", name);
+               GstElement *sink = gst_element_factory_make("fakesink", elemname);
+               eDebug ("fakesink %s = %p", elemname, sink);
+               g_object_set (G_OBJECT(sink), "signal-handoffs", TRUE, NULL);
+               gst_bin_add_many(pipeline, parser, sink, NULL);
+               GstPadLinkReturn res = gst_pad_link(pad, gst_element_get_static_pad(parser, "sink"));
+               eDebug ("parser link = %d", res);
+               res = gst_element_link(parser, sink);
+               eDebug ("sink link = %d", res);
+               g_signal_connect(sink, "handoff", G_CALLBACK(gstCBsubtitleAvail), _this);
+               subtitleStream subs;
+               subs.element = sink;
+               _this->m_subtitleStreams.push_back(subs);
+       }
        g_free (name);
 }
 
@@ -903,3 +1076,97 @@ eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::servi
 #else
 #warning gstreamer not available, not building media player
 #endif
+
+void eServiceMP3::gstCBsubtitleAvail(GstElement *element, GstBuffer *buffer, GstPad *pad, gpointer user_data)
+{
+       const char *text = (unsigned char *)GST_BUFFER_DATA(buffer);
+       eServiceMP3 *_this = (eServiceMP3*)user_data;
+       gchar *sourceName;
+       sourceName = gst_object_get_name(GST_OBJECT(element));
+       if ( _this->m_subtitle_widget && _this->m_subtitleStreams.at(_this->m_currentSubtitleStream).element == element)
+       {
+               eDVBTeletextSubtitlePage page;
+               gRGB rgbcol(0xD0,0xD0,0xD0);
+               page.m_elements.push_back(eDVBTeletextSubtitlePageElement(rgbcol, text));
+               (_this->m_subtitle_widget)->setPage(page);
+       }
+       else
+               eDebug("on inactive element: %s (%p) saw subtitle: %s",sourceName, element, text);
+}
+
+RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
+{
+       eDebug("eServiceMP3::enableSubtitles");
+
+       ePyObject entry;
+       int tuplesize = PyTuple_Size(tuple);
+       int type = 0;
+       int page, magazine, pid;
+
+       if (!PyTuple_Check(tuple))
+               goto error_out;
+
+       if (tuplesize < 1)
+               goto error_out;
+
+       entry = PyTuple_GET_ITEM(tuple, 0);
+
+       if (!PyInt_Check(entry))
+               goto error_out;
+
+       type = PyInt_AsLong(entry);
+
+       entry = PyTuple_GET_ITEM(tuple, 1);
+       if (!PyInt_Check(entry))
+               goto error_out;
+       pid = PyInt_AsLong(entry);
+
+       m_subtitle_widget = new eSubtitleWidget(parent);
+       m_subtitle_widget->resize(parent->size()); /* full size */
+       m_currentSubtitleStream = pid;
+
+       return 0;
+error_out:
+       eDebug("enableSubtitles needs a tuple as 2nd argument!\n"
+               "for gst subtitles (2, subtitle_stream_count)");
+       return -1;
+}
+
+RESULT eServiceMP3::disableSubtitles(eWidget *parent)
+{
+       eDebug("eServiceMP3::disableSubtitles");
+       delete m_subtitle_widget;
+       m_subtitle_widget = 0;
+       return 0;
+}
+
+PyObject *eServiceMP3::getCachedSubtitle()
+{
+       eDebug("eServiceMP3::eDVBServicePlay");
+       Py_RETURN_NONE;
+}
+
+PyObject *eServiceMP3::getSubtitleList()
+{
+       eDebug("eServiceMP3::getSubtitleList");
+
+       ePyObject l = PyList_New(0);
+       gchar *sourceName;
+       int stream_count = 0;
+
+       for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
+       {
+               ePyObject tuple = PyTuple_New(5);
+               PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
+               PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count));
+               PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(0));
+               PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
+               sourceName = gst_object_get_name(GST_OBJECT (IterSubtitleStream->element));
+               PyTuple_SET_ITEM(tuple, 4, PyString_FromString(sourceName));
+               PyList_Append(l, tuple);
+               Py_DECREF(tuple);
+               stream_count++;
+       }
+
+       return l;
+}