lib/service/servicemp3.h

   1 #ifndef __servicemp3_h
   2 #define __servicemp3_h
   3
   4 #ifdef HAVE_GSTREAMER
   5 #include <lib/base/message.h>
   6 #include <lib/service/iservice.h>
   7 #include <gst/gst.h>
   8
   9 class eStaticServiceMP3Info;
  10
  11 class eServiceFactoryMP3: public iServiceHandler
  12 {
  13 DECLARE_REF(eServiceFactoryMP3);
  14 public:
  15         eServiceFactoryMP3();
  16         virtual ~eServiceFactoryMP3();
  17         enum { id = 0x1001 };
  18
  19                 // iServiceHandler
  20         RESULT play(const eServiceReference &, ePtr<iPlayableService> &ptr);
  21         RESULT record(const eServiceReference &, ePtr<iRecordableService> &ptr);
  22         RESULT list(const eServiceReference &, ePtr<iListableService> &ptr);
  23         RESULT info(const eServiceReference &, ePtr<iStaticServiceInformation> &ptr);
  24         RESULT offlineOperations(const eServiceReference &, ePtr<iServiceOfflineOperations> &ptr);
  25 private:
  26         ePtr<eStaticServiceMP3Info> m_service_info;
  27 };
  28
  29 class eStaticServiceMP3Info: public iStaticServiceInformation
  30 {
  31         DECLARE_REF(eStaticServiceMP3Info);
  32         friend class eServiceFactoryMP3;
  33         eStaticServiceMP3Info();
  34 public:
  35         RESULT getName(const eServiceReference &ref, std::string &name);
  36         int getLength(const eServiceReference &ref);
  37 };
  38
  39 typedef struct _GstElement GstElement;
  40
  41 class eServiceMP3: public iPlayableService, public iPauseableService,
  42         public iServiceInformation, public iSeekableService, public Object
  43 {
  44 DECLARE_REF(eServiceMP3);
  45 public:
  46         virtual ~eServiceMP3();
  47
  48                 // iPlayableService
  49         RESULT connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection);
  50         RESULT start();
  51         RESULT stop();
  52         RESULT setTarget(int target);
  53
  54         RESULT pause(ePtr<iPauseableService> &ptr);
  55         RESULT setSlowMotion(int ratio);
  56         RESULT setFastForward(int ratio);
  57
  58         RESULT seek(ePtr<iSeekableService> &ptr);
  59
  60                 // not implemented (yet)
  61         RESULT audioTracks(ePtr<iAudioTrackSelection> &ptr) { ptr = 0; return -1; }
  62         RESULT frontendStatusInfo(ePtr<iFrontendStatusInformation> &ptr) { ptr = 0; return -1; }
  63         RESULT subServices(ePtr<iSubserviceList> &ptr) { ptr = 0; return -1; }
  64         RESULT timeshift(ePtr<iTimeshiftService> &ptr) { ptr = 0; return -1; }
  65         RESULT cueSheet(ePtr<iCueSheet>& ptr) { ptr = 0; return -1; }
  66
  67                 // iPausableService
  68         RESULT pause();
  69         RESULT unpause();
  70
  71         RESULT info(ePtr<iServiceInformation>&);
  72
  73                 // iSeekableService
  74         RESULT getLength(pts_t &SWIG_OUTPUT);
  75         RESULT seekTo(pts_t to);
  76         RESULT seekRelative(int direction, pts_t to);
  77         RESULT getPlayPosition(pts_t &SWIG_OUTPUT);
  78         RESULT setTrickmode(int trick);
  79         RESULT isCurrentlySeekable();
  80
  81                 // iServiceInformation
  82         RESULT getName(std::string &name);
  83         int getInfo(int w);
  84         std::string getInfoString(int w);
  85 private:
  86         friend class eServiceFactoryMP3;
  87         std::string m_filename;
  88         eServiceMP3(const char *filename);
  89         Signal2<void,iPlayableService*,int> m_event;
  90         enum
  91         {
  92                 stIdle, stRunning, stStopped,
  93         };
  94         int m_state;
  95         GstElement *m_gst_pipeline, *m_gst_audio;
  96         GstTagList *m_stream_tags;
  97         eFixedMessagePump<int> m_pump;
  98
  99         void gstBusCall(GstBus *bus, GstMessage *msg);
 100         static GstBusSyncReply gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data);
 101         static void gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer data);
 102         void gstPoll(const int&);
 103 };
 104 #endif
 105
 106 #endif