code.vuplus.com Git - vuplus_dvbapp/blob - lib/service/servicemp3.h

   1 #ifndef __servicemp3_h
   2 #define __servicemp3_h
   3
   4 #include <lib/base/message.h>
   5 #include <lib/service/iservice.h>
   6 #include <lib/dvb/pmt.h>
   7 #include <lib/dvb/subtitle.h>
   8 #include <lib/dvb/teletext.h>
   9 #include <gst/gst.h>
  10 /* for subtitles */
  11 #include <lib/gui/esubtitle.h>
  12
  13 class eStaticServiceMP3Info;
  14
  15 class eSubtitleWidget;
  16
  17 class eServiceFactoryMP3: public iServiceHandler
  18 {
  19         DECLARE_REF(eServiceFactoryMP3);
  20 public:
  21         eServiceFactoryMP3();
  22         virtual ~eServiceFactoryMP3();
  23         enum { id = 0x1001 };
  24
  25                 // iServiceHandler
  26         RESULT play(const eServiceReference &, ePtr<iPlayableService> &ptr);
  27         RESULT record(const eServiceReference &, ePtr<iRecordableService> &ptr);
  28         RESULT list(const eServiceReference &, ePtr<iListableService> &ptr);
  29         RESULT info(const eServiceReference &, ePtr<iStaticServiceInformation> &ptr);
  30         RESULT offlineOperations(const eServiceReference &, ePtr<iServiceOfflineOperations> &ptr);
  31 private:
  32         ePtr<eStaticServiceMP3Info> m_service_info;
  33 };
  34
  35 class eStaticServiceMP3Info: public iStaticServiceInformation
  36 {
  37         DECLARE_REF(eStaticServiceMP3Info);
  38         friend class eServiceFactoryMP3;
  39         eStaticServiceMP3Info();
  40 public:
  41         RESULT getName(const eServiceReference &ref, std::string &name);
  42         int getLength(const eServiceReference &ref);
  43         int getInfo(const eServiceReference &ref, int w);
  44 };
  45
  46 typedef struct _GstElement GstElement;
  47
  48 typedef enum { atUnknown, atMPEG, atMP3, atAC3, atDTS, atAAC, atPCM, atOGG, atFLAC } audiotype_t;
  49 typedef enum { stUnknown, stPlainText, stSSA, stASS, stSRT, stVOB, stPGS } subtype_t;
  50 typedef enum { ctNone, ctMPEGTS, ctMPEGPS, ctMKV, ctAVI, ctMP4, ctVCD, ctCDA } containertype_t;
  51
  52 struct SubtitlePage
  53 {
  54         ePangoSubtitlePage *pango_page;
  55         eVobSubtitlePage *vob_page;
  56 };
  57
  58 class eServiceMP3: public iPlayableService, public iPauseableService,
  59         public iServiceInformation, public iSeekableService, public iAudioTrackSelection, public iAudioChannelSelection,
  60         public iSubtitleOutput, public iStreamedService, public iAudioDelay, public Object
  61 {
  62         DECLARE_REF(eServiceMP3);
  63 public:
  64         virtual ~eServiceMP3();
  65
  66                 // iPlayableService
  67         RESULT connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection);
  68         RESULT start();
  69         RESULT stop();
  70         RESULT setTarget(int target);
  71
  72         RESULT pause(ePtr<iPauseableService> &ptr);
  73         RESULT setSlowMotion(int ratio);
  74         RESULT setFastForward(int ratio);
  75
  76         RESULT seek(ePtr<iSeekableService> &ptr);
  77         RESULT audioTracks(ePtr<iAudioTrackSelection> &ptr);
  78         RESULT audioChannel(ePtr<iAudioChannelSelection> &ptr);
  79         RESULT subtitle(ePtr<iSubtitleOutput> &ptr);
  80         RESULT audioDelay(ePtr<iAudioDelay> &ptr);
  81
  82                 // not implemented (yet)
  83         RESULT frontendInfo(ePtr<iFrontendInformation> &ptr) { ptr = 0; return -1; }
  84         RESULT subServices(ePtr<iSubserviceList> &ptr) { ptr = 0; return -1; }
  85         RESULT timeshift(ePtr<iTimeshiftService> &ptr) { ptr = 0; return -1; }
  86         RESULT cueSheet(ePtr<iCueSheet> &ptr) { ptr = 0; return -1; }
  87
  88         RESULT rdsDecoder(ePtr<iRdsDecoder> &ptr) { ptr = 0; return -1; }
  89         RESULT keys(ePtr<iServiceKeys> &ptr) { ptr = 0; return -1; }
  90         RESULT stream(ePtr<iStreamableService> &ptr) { ptr = 0; return -1; }
  91
  92                 // iPausableService
  93         RESULT pause();
  94         RESULT unpause();
  95
  96         RESULT info(ePtr<iServiceInformation>&);
  97
  98                 // iSeekableService
  99         RESULT getLength(pts_t &SWIG_OUTPUT);
 100         RESULT seekTo(pts_t to);
 101         RESULT seekRelative(int direction, pts_t to);
 102         RESULT getPlayPosition(pts_t &SWIG_OUTPUT);
 103         RESULT setTrickmode(int trick);
 104         RESULT isCurrentlySeekable();
 105
 106                 // iServiceInformation
 107         RESULT getName(std::string &name);
 108         int getInfo(int w);
 109         std::string getInfoString(int w);
 110         PyObject *getInfoObject(int w);
 111
 112                 // iAudioTrackSelection
 113         int getNumberOfTracks();
 114         RESULT selectTrack(unsigned int i);
 115         RESULT getTrackInfo(struct iAudioTrackInfo &, unsigned int n);
 116         int getCurrentTrack();
 117
 118                 // iAudioChannelSelection
 119         int getCurrentChannel();
 120         RESULT selectChannel(int i);
 121
 122                 // iSubtitleOutput
 123         RESULT enableSubtitles(eWidget *parent, SWIG_PYOBJECT(ePyObject) entry);
 124         RESULT disableSubtitles(eWidget *parent);
 125         PyObject *getSubtitleList();
 126         PyObject *getCachedSubtitle();
 127
 128                 // iStreamedService
 129         RESULT streamed(ePtr<iStreamedService> &ptr);
 130         PyObject *getBufferCharge();
 131         int setBufferSize(int size);
 132
 133                 // iAudioDelay
 134         int getAC3Delay();
 135         int getPCMDelay();
 136         void setAC3Delay(int);
 137         void setPCMDelay(int);
 138
 139         struct audioStream
 140         {
 141                 GstPad* pad;
 142                 audiotype_t type;
 143                 std::string language_code; /* iso-639, if available. */
 144                 std::string codec; /* clear text codec description */
 145                 audioStream()
 146                         :pad(0), type(atUnknown)
 147                 {
 148                 }
 149         };
 150         struct subtitleStream
 151         {
 152                 GstPad* pad;
 153                 subtype_t type;
 154                 std::string language_code; /* iso-639, if available. */
 155                 subtitleStream()
 156                         :pad(0)
 157                 {
 158                 }
 159         };
 160         struct sourceStream
 161         {
 162                 audiotype_t audiotype;
 163                 containertype_t containertype;
 164                 bool is_video;
 165                 bool is_streaming;
 166                 sourceStream()
 167                         :audiotype(atUnknown), containertype(ctNone), is_video(FALSE), is_streaming(FALSE)
 168                 {
 169                 }
 170         };
 171         struct bufferInfo
 172         {
 173                 int bufferPercent;
 174                 int avgInRate;
 175                 int avgOutRate;
 176                 long long bufferingLeft;
 177                 bufferInfo()
 178                         :bufferPercent(0), avgInRate(0), avgOutRate(0), bufferingLeft(-1)
 179                 {
 180                 }
 181         };
 182 private:
 183         static int pcm_delay;
 184         static int ac3_delay;
 185         int m_currentAudioStream;
 186         int m_currentSubtitleStream;
 187         int selectAudioStream(int i);
 188         std::vector<audioStream> m_audioStreams;
 189         std::vector<subtitleStream> m_subtitleStreams;
 190         eSubtitleWidget *m_subtitle_widget;
 191         int m_currentTrickRatio;
 192         ePtr<eTimer> m_seekTimeout;
 193         void seekTimeoutCB();
 194         friend class eServiceFactoryMP3;
 195         eServiceReference m_ref;
 196         int m_buffer_size;
 197         bufferInfo m_bufferInfo;
 198         eServiceMP3(eServiceReference ref);
 199         Signal2<void,iPlayableService*,int> m_event;
 200         enum
 201         {
 202                 stIdle, stRunning, stStopped,
 203         };
 204         int m_state;
 205         GstElement *m_gst_playbin;
 206         GstElement *m_gst_subtitlebin;
 207         GstTagList *m_stream_tags;
 208         eFixedMessagePump<int> m_pump;
 209         std::string m_error_message;
 210
 211         audiotype_t gstCheckAudioPad(GstStructure* structure);
 212         void gstBusCall(GstBus *bus, GstMessage *msg);
 213         static GstBusSyncReply gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data);
 214         static void gstHTTPSourceSetAgent(GObject *source, GParamSpec *unused, gpointer user_data);
 215         static void gstCBsubtitleAvail(GstElement *element, gpointer user_data);
 216         static GstCaps* gstGhostpadGetCAPS (GstPad * pad);
 217         static gboolean gstGhostpadAcceptCAPS(GstPad * pad, GstCaps * caps);
 218         static void gstGhostpadLink(gpointer user_data, GstCaps * caps);
 219         static GstFlowReturn gstGhostpadBufferAlloc(GstPad *pad, guint64 offset, guint size, GstCaps *caps, GstBuffer **buf);
 220         static void gstGhostpadHasCAPS(GstPad *pad, GParamSpec * unused, gpointer user_data);
 221         static gboolean gstGhostpadSinkEvent(GstPad * pad, GstEvent * event);
 222         static GstFlowReturn gstGhostpadChainFunction(GstPad * pad, GstBuffer * buffer);
 223 /*      static void gstCBsubtitleCAPS(GObject *obj, GParamSpec *pspec, gpointer user_data);
 224         static void gstCBsubtitleLink(subtype_t type, gpointer user_data);
 225         static gboolean gstCBsubtitleDrop(GstPad *pad, GstBuffer *buffer, gpointer user_data);*/
 226         void gstPoll(const int&);
 227         GstPadBufferAllocFunction m_ghost_pad_buffer_alloc;
 228         GstPadChainFunction m_ghost_pad_chain_function;
 229         GstPadEventFunction m_ghost_pad_subtitle_sink_event;
 230         GstCaps *m_gst_prev_subtitle_caps;
 231         GstSegment m_gst_subtitle_segment;
 232         GstPadEventFunction m_gst_sink_event;
 233
 234         std::list<SubtitlePage> m_subtitle_pages;
 235         ePtr<eTimer> m_subtitle_sync_timer;
 236         ePtr<eTimer> m_subtitle_hide_timer;
 237         ePtr<eTimer> m_streamingsrc_timeout;
 238         void pushSubtitles();
 239         void pullSubtitle();
 240         void hideSubtitles();
 241         void sourceTimeout();
 242         int m_subs_to_pull;
 243         sourceStream m_sourceinfo;
 244         eSingleLock m_subs_to_pull_lock;
 245         gulong m_subs_to_pull_handler_id;
 246
 247         RESULT seekToImpl(pts_t to);
 248
 249         gint m_aspect, m_width, m_height, m_framerate, m_progressive;
 250         std::string m_useragent;
 251         RESULT trickSeek(gdouble ratio);
 252 };
 253
 254 #endif