hvirtual/cinelerra/vrender.h

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