implement UTF-8 text/plain subtitles. change subtitle switching using second input...
[enigma2.git] / lib / service / servicemp3.h
index aa342f4bf68604d59774cfd2150775cb4aa16bc3..ea06429917e2681856fea5b6a73806c0a4d4ff70 100644 (file)
@@ -5,10 +5,14 @@
 #include <lib/base/message.h>
 #include <lib/service/iservice.h>
 #include <lib/dvb/pmt.h>
+#include <lib/dvb/subtitle.h>
+#include <lib/dvb/teletext.h>
 #include <gst/gst.h>
 
 class eStaticServiceMP3Info;
 
+class eSubtitleWidget;
+
 class eServiceFactoryMP3: public iServiceHandler
 {
        DECLARE_REF(eServiceFactoryMP3);
@@ -39,8 +43,11 @@ public:
 
 typedef struct _GstElement GstElement;
 
+typedef enum { atUnknown, atMPEG, atMP3, atAC3, atDTS, atAAC, atPCM, atOGG } audiotype_t;
+typedef enum { stPlainText, stSSA, stSRT } subtype_t;
+
 class eServiceMP3: public iPlayableService, public iPauseableService, 
-       public iServiceInformation, public iSeekableService, public iAudioTrackSelection, public iAudioChannelSelection, public Object
+       public iServiceInformation, public iSeekableService, public iAudioTrackSelection, public iAudioChannelSelection, public iSubtitleOutput, public Object
 {
        DECLARE_REF(eServiceMP3);
 public:
@@ -59,13 +66,13 @@ public:
        RESULT seek(ePtr<iSeekableService> &ptr);
        RESULT audioTracks(ePtr<iAudioTrackSelection> &ptr);
        RESULT audioChannel(ePtr<iAudioChannelSelection> &ptr);
+       RESULT subtitle(ePtr<iSubtitleOutput> &ptr);
 
                // not implemented (yet)
        RESULT frontendInfo(ePtr<iFrontendInformation> &ptr) { ptr = 0; return -1; }
        RESULT subServices(ePtr<iSubserviceList> &ptr) { ptr = 0; return -1; }
        RESULT timeshift(ePtr<iTimeshiftService> &ptr) { ptr = 0; return -1; }
        RESULT cueSheet(ePtr<iCueSheet> &ptr) { ptr = 0; return -1; }
-       RESULT subtitle(ePtr<iSubtitleOutput> &ptr) { ptr = 0; return -1; }
        RESULT audioDelay(ePtr<iAudioDelay> &ptr) { ptr = 0; return -1; }
        RESULT rdsDecoder(ePtr<iRdsDecoder> &ptr) { ptr = 0; return -1; }
        RESULT stream(ePtr<iStreamableService> &ptr) { ptr = 0; return -1; }
@@ -100,17 +107,42 @@ public:
        int getCurrentChannel();
        RESULT selectChannel(int i);
 
+               // iSubtitleOutput
+       RESULT enableSubtitles(eWidget *parent, SWIG_PYOBJECT(ePyObject) entry);
+       RESULT disableSubtitles(eWidget *parent);
+       PyObject *getSubtitleList();
+       PyObject *getCachedSubtitle();
+
        struct audioStream
        {
                GstPad* pad;
-               enum { atMP2, atMP3, atAC3, atDTS, atAAC, atPCM, atOGG };
-               int type; // mpeg2, ac3, dts, ...
+               audiotype_t type;
+               std::string language_code; /* iso-639, if available. */
+               audioStream()
+                       :pad(0), type(atUnknown)
+               {
+               }
+       };
+       struct subtitleStream
+       {
+               GstPad* pad;
+               subtype_t type;
                std::string language_code; /* iso-639, if available. */
+               subtitleStream()
+                       :pad(0)
+               {
+               }
        };
 private:
        int m_currentAudioStream;
-       int m_currentTrickRate;
+       int m_currentSubtitleStream;
+       int selectAudioStream(int i);
        std::vector<audioStream> m_audioStreams;
+       std::vector<subtitleStream> m_subtitleStreams;
+       eSubtitleWidget *m_subtitle_widget;
+       int m_currentTrickRatio;
+       eTimer m_seekTimeout;
+       void seekTimeoutCB();
        friend class eServiceFactoryMP3;
        std::string m_filename;
        eServiceMP3(const char *filename);
@@ -123,13 +155,18 @@ private:
        GstElement *m_gst_pipeline;
        GstTagList *m_stream_tags;
        eFixedMessagePump<int> m_pump;
+       std::string m_error_message;
 
+       audiotype_t gstCheckAudioPad(GstStructure* structure);
        void gstBusCall(GstBus *bus, GstMessage *msg);
        static GstBusSyncReply gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data);
        static void gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer data); /* for mpegdemux */
        static void gstCBfilterPadAdded(GstElement *filter, GstPad *pad, gpointer user_data); /* for id3demux */
        static void gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer data); /* for decodebin */
        static void gstCBunknownType(GstElement *decodebin, GstPad *pad, GstCaps *l, gpointer data);
+       static void gstCBsubtitleAvail(GstElement *element, GstBuffer *buffer, GstPad *pad, gpointer user_data);
+       static void gstCBsubtitlePadEvent(GstPad *pad, GstEvent *event, gpointer user_data);
+       GstPad* gstCreateSubtitleSink(eServiceMP3* _this, subtype_t type);
        void gstPoll(const int&);
 };
 #endif