source/xinestream.h

   1 #ifndef XINESTREAM_H_
   2 #define XINESTREAM_H_
   3
   4 #include <string>
   5 #include <vector>
   6 #include <xine.h>
   7 #include <msp/core/mutex.h>
   8 #include <msp/strings/lexicalcast.h>
   9 #include <msp/time/timedelta.h>
  10
  11 class XineEngine;
  12
  13 class XineStream
  14 {
  15 public:
  16         enum State
  17         {
  18                 STOPPED,
  19                 PAUSED,
  20                 PLAYING
  21         };
  22
  23         sigc::signal<void, State> signal_state_changed;
  24         sigc::signal<void, const std::string &> signal_title_changed;
  25         sigc::signal<void, const Msp::Time::TimeDelta &> signal_duration_changed;
  26         sigc::signal<void, const Msp::Time::TimeDelta &> signal_position_changed;
  27         sigc::signal<void> signal_channels_changed;
  28         sigc::signal<void> signal_finished;
  29
  30 private:
  31         XineEngine &engine;
  32         xine_stream_t *stream;
  33         xine_event_queue_t *queue;
  34         Msp::Mutex mutex;
  35         State state;
  36         std::string title;
  37         Msp::Time::TimeDelta duration;
  38         Msp::Time::TimeDelta position;
  39         std::vector<std::string> audio_channels;
  40         std::vector<std::string> spu_channels;
  41         bool channels_changed;
  42
  43 public:
  44         XineStream(XineEngine &, const std::string &);
  45         ~XineStream();
  46
  47         Msp::Mutex &get_mutex() { return mutex; }
  48         State get_state() const { return state; }
  49         const Msp::Time::TimeDelta &get_duration() const { return duration; }
  50         const Msp::Time::TimeDelta &get_position() const { return position; }
  51         const std::string &get_title() const { return title; }
  52         const std::vector<std::string> &get_audio_channels() const { return audio_channels; }
  53         const std::vector<std::string> &get_spu_channels() const { return spu_channels; }
  54         void set_audio_channel(unsigned);
  55         void set_audio_off();
  56         void set_spu_channel(unsigned);
  57         void set_spu_off();
  58
  59         void play();
  60         void seek(const Msp::Time::TimeDelta &);
  61         void pause();
  62         void stop();
  63 private:
  64         void set_state(State);
  65
  66 public:
  67         void tick();
  68 private:
  69         void update_info();
  70         void update_channels();
  71         void handle_event(const xine_event_t &);
  72 };
  73
  74 void operator<<(Msp::LexicalConverter &, XineStream::State);
  75 void operator>>(const Msp::LexicalConverter &, XineStream::State &);
  76
  77 #endif