git.sesse.net Git - nageru/blob - player.h

   1 #ifndef _PLAYER_H
   2 #define _PLAYER_H 1
   3
   4 #include "clip_list.h"
   5
   6 #include <condition_variable>
   7 #include <functional>
   8 #include <mutex>
   9
  10 class JPEGFrameView;
  11
  12 class Player {
  13 public:
  14         Player(JPEGFrameView *destination);
  15
  16         void play_clip(const Clip &clip, unsigned stream_idx);
  17         void override_angle(unsigned stream_idx);  // For the current clip only.
  18
  19         // Not thread-safe to set concurrently with playing.
  20         // Will be called back from the player thread.
  21         using done_callback_func = std::function<void()>;
  22         void set_done_callback(done_callback_func cb) { done_callback = cb; }
  23
  24 private:
  25         void thread_func();
  26
  27         JPEGFrameView *destination;
  28         done_callback_func done_callback;
  29
  30         std::mutex mu;
  31         Clip current_clip;  // Under mu. Can have pts_in = -1 for no clip.
  32         unsigned current_stream_idx;  // Under mu.
  33
  34         std::mutex queue_state_mu;
  35         std::condition_variable new_clip_changed;
  36         bool new_clip_ready = false;  // Under queue_state_mu.
  37         bool playing = false;  // Under queue_state_mu.
  38         int override_stream_idx = -1;  // Under queue_state_mu.
  39 };
  40
  41 #endif  // !defined(_PLAYER_H)