cinelerra/vrender.h

   1 #ifndef VRENDER_H
   2 #define VRENDER_H
   3
   4 #include "commonrender.h"
   5 #include "edit.inc"
   6 #include "guicast.h"
   7 #include "mwindow.inc"
   8 #include "overlayframe.inc"
   9 #include "renderengine.inc"
  10 #include "vframe.inc"
  11
  12
  13 class VRender : public CommonRender
  14 {
  15 public:
  16         VRender(RenderEngine *renderengine);
  17         VRender(MWindow *mwindow, RenderEngine *renderengine);
  18         ~VRender();
  19
  20         VirtualConsole* new_vconsole_object();
  21         int get_total_tracks();
  22         Module* new_module(Track *track);
  23
  24 // set up and start thread
  25         int arm_playback(int64_t current_position,
  26                                 int64_t input_length,
  27                                 int64_t module_render_fragment,
  28                                 int64_t playback_buffer,
  29                                 int track_w,
  30                                 int track_h,
  31                                 int output_w,
  32                                 int output_h);
  33
  34         void run();
  35         int wait_for_startup();
  36
  37         int start_playback();     // start the thread
  38
  39 // get data type for certain commonrender routines
  40         int get_datatype();
  41
  42 // process frames to put in buffer_out
  43         int process_buffer(VFrame *video_out,
  44                 int64_t input_position,
  45                 int last_buffer);
  46 // load an array of buffers for each track to send to the thread
  47         int process_buffer(int64_t input_position);
  48 // Flash the output on the display
  49         int flash_output();
  50 // Determine if data can be copied directly from the file to the output device.
  51         void get_render_strategy(Edit* &playable_edit,
  52                 int &colormodel,
  53                 int &use_vconsole,
  54                 int64_t position);
  55
  56
  57         int get_use_vconsole(Edit* &playable_edit,
  58                 int64_t position,
  59                 int &get_use_vconsole);
  60         int get_colormodel(Edit* &playable_edit,
  61                 int use_vconsole,
  62                 int use_brender);
  63         int insert_timecode(Edit* &playable_edit,
  64                 int64_t position,
  65                 VFrame *output);
  66
  67         int64_t tounits(double position, int round);
  68         double fromunits(int64_t position);
  69
  70 // frames since start of playback
  71         int64_t session_frame;
  72
  73 // console dimensions
  74         int track_w, track_h;
  75 // video device dimensions
  76         int output_w, output_h;
  77 // frames to send to console fragment
  78         int64_t vmodule_render_fragment;
  79 // frames to send to video device (1)
  80         int64_t playback_buffer;
  81 // Output frame
  82         VFrame *video_out;
  83 // Byte offset of video_out
  84         int64_t output_offset;
  85
  86 // Temp frame for VModule loading
  87         VFrame *input_temp;
  88 // Temp frame for VModule transitions
  89         VFrame *transition_temp;
  90 // Engine for camera and projector automation
  91         OverlayFrame *overlayer;
  92
  93
  94
  95 // Total number of frames to render for transitions
  96         int64_t source_length;
  97
  98 // Flag first frame to unlock audio
  99         int first_frame;
 100
 101 private:
 102         int init_device_buffers();
 103         Timer timer;
 104
 105 // for getting actual framerate
 106         int64_t framerate_counter;
 107         Timer framerate_timer;
 108         int render_strategy;
 109 };
 110
 111
 112
 113
 114 #endif