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 extern "C" {
  11 #include <libavformat/avio.h>
  12 }
  13
  14 class JPEGFrameView;
  15 class Mux;
  16
  17 class Player {
  18 public:
  19         Player(JPEGFrameView *destination);
  20
  21         void play_clip(const Clip &clip, unsigned stream_idx);
  22         void override_angle(unsigned stream_idx);  // For the current clip only.
  23
  24         // Not thread-safe to set concurrently with playing.
  25         // Will be called back from the player thread.
  26         using done_callback_func = std::function<void()>;
  27         void set_done_callback(done_callback_func cb) { done_callback = cb; }
  28
  29 private:
  30         void thread_func();
  31         void open_output_stream();
  32         static int write_packet2_thunk(void *opaque, uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time);
  33         int write_packet2(uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time);
  34
  35         JPEGFrameView *destination;
  36         done_callback_func done_callback;
  37
  38         std::mutex mu;
  39         Clip current_clip;  // Under mu. Can have pts_in = -1 for no clip.
  40         unsigned current_stream_idx;  // Under mu.
  41
  42         std::mutex queue_state_mu;
  43         std::condition_variable new_clip_changed;
  44         bool new_clip_ready = false;  // Under queue_state_mu.
  45         bool playing = false;  // Under queue_state_mu.
  46         int override_stream_idx = -1;  // Under queue_state_mu.
  47
  48         // For streaming.
  49         std::unique_ptr<Mux> stream_mux;  // To HTTP.
  50         std::string stream_mux_header;
  51         bool seen_sync_markers = false;
  52 };
  53
  54 #endif  // !defined(_PLAYER_H)