cinelerra/transportque.h

   1 #ifndef TRANSPORTQUE_H
   2 #define TRANSPORTQUE_H
   3
   4 #include "canvas.inc"
   5 #include "condition.inc"
   6 #include "edl.inc"
   7 #include "preferences.inc"
   8 #include "transportque.inc"
   9
  10 class TransportCommand
  11 {
  12 public:
  13         TransportCommand();
  14         ~TransportCommand();
  15
  16         void reset();
  17 // Get the direction based on the command
  18         int get_direction();
  19         float get_speed();
  20         void copy_from(TransportCommand *command);
  21         TransportCommand& operator=(TransportCommand &command);
  22 // Get the range to play back from the EDL
  23         void set_playback_range(EDL *edl = 0, int use_inout = 0);
  24
  25 // Adjust playback range with in/out points for rendering
  26         void adjust_playback_range();
  27
  28         int single_frame();
  29         EDL* get_edl();
  30         void delete_edl();
  31         void new_edl();
  32
  33         int command;
  34         int change_type;
  35 // lowest numbered second in playback range
  36         double start_position;
  37 // highest numbered second in playback range
  38         double end_position;
  39         int infinite;
  40 // Position used when starting playback
  41         double playbackstart;
  42 // Send output to device
  43         int realtime;
  44 // Use persistant starting point
  45         int resume;
  46
  47 private:
  48 // Copied to render engines
  49         EDL *edl;
  50 };
  51
  52 class TransportQue
  53 {
  54 public:
  55         TransportQue();
  56         ~TransportQue();
  57
  58         int send_command(int command,
  59 // The change type is ORed to accumulate changes.
  60                 int change_type,
  61                 EDL *new_edl,
  62                 int realtime,
  63 // Persistent starting point
  64                 int resume = 0,
  65                 int use_inout = 0);
  66         void update_change_type(int change_type);
  67
  68         TransportCommand command;
  69         Condition *input_lock, *output_lock;
  70 };
  71
  72 #endif