cinelerra/virtualanode.h

   1 #ifndef VIRTUALANODE_H
   2 #define VIRTUALANODE_H
   3
   4
   5 #include "arender.inc"
   6 #include "filethread.inc"  // RING_BUFFERS
   7 #include "maxchannels.h"
   8 #include "plugin.inc"
   9 #include "units.h"
  10 #include "virtualnode.h"
  11
  12 class VirtualANode : public VirtualNode
  13 {
  14 public:
  15         VirtualANode(RenderEngine *renderengine,
  16                 VirtualConsole *vconsole,
  17                 Module *real_module,
  18                 Plugin *real_plugin,
  19                 Track *track,
  20                 VirtualNode *parent_module);
  21
  22         ~VirtualANode();
  23
  24         VirtualNode* create_module(Plugin *real_plugin,
  25                                                         Module *real_module,
  26                                                         Track *track);
  27         VirtualNode* create_plugin(Plugin *real_plugin);
  28
  29 // Called by VirtualAConsole::process_buffer to process exit_nodes.
  30 // read_data recurses down the tree.
  31         int render(double *output_temp,
  32                 int64_t start_position,
  33                 int64_t len,
  34                 int64_t sample_rate);
  35
  36 // Read data from whatever comes before this node.
  37 // Calls render in either the parent node or the module for the track.
  38         int read_data(double *output_temp,
  39                 int64_t start_position,
  40                 int64_t len,
  41                 int64_t sample_rate);
  42
  43 private:
  44 // need *arender for peak updating
  45         int render_as_module(double **audio_out,
  46                                         double *output_temp,
  47                                         int64_t start_position,
  48                                         int64_t len,
  49                                         int64_t sample_rate);
  50         void render_as_plugin(double *output_temp,
  51                 int64_t start_position,
  52                 int64_t len,
  53                 int64_t sample_rate);
  54
  55         int render_fade(double *buffer,
  56                                         int64_t len,
  57                                         int64_t input_position,
  58                                         int64_t sample_rate,
  59                                         Autos *autos,
  60                                         int direction,
  61                                         int use_nudge);
  62         int render_pan(double *input,        // start of input fragment
  63                                 double *output,        // start of output fragment
  64                                 int64_t fragment_len,      // fragment length in input scale
  65                                 int64_t input_position, // starting sample of input buffer in project
  66                                 int64_t sample_rate,
  67                                 Autos *autos,
  68                                 int channel,
  69                                 int direction,
  70                                 int use_nudge);
  71         void get_pan_automation(double &slope,
  72                 double &intercept,
  73                 int64_t input_position,
  74                 int64_t &slope_len,
  75                 Autos *autos,
  76                 int channel,
  77                 int direction);
  78
  79 /*
  80  *      double* get_module_input(int double_buffer, int64_t fragment_position);
  81  *      double* get_module_output(int double_buffer, int64_t fragment_position);
  82  */
  83
  84         DB db;
  85
  86         Auto *pan_before[MAXCHANNELS], *pan_after[MAXCHANNELS];
  87 };
  88
  89
  90 #endif