hvirtual/cinelerra/filegif.h

   1 #ifndef FILEGIF_H
   2 #define FILEGIF_H
   3
   4 #include "file.inc"
   5 #include "filebase.h"
   6 #include "vframe.inc"
   7
   8 // This header file is representative of any single frame file format.
   9
  10 class FileGIF : public FileBase
  11 {
  12 public:
  13         FileGIF(Asset *asset);
  14         ~FileGIF();
  15
  16 // basic commands for every file interpreter
  17         int open_file(int rd, int wr);
  18         int close_file_derived();
  19         int64_t get_video_length();
  20         int64_t get_memory_usage();
  21
  22         int read_header();
  23         VFrame* read_frame(int use_alpha, int use_float);
  24
  25 private:
  26         int read_raw();
  27         int reset_parameters_derived();
  28
  29 // specific to GIF
  30         int import_row(VPixel *output, unsigned char *row_pointer);
  31
  32 // routines for all image files
  33 // frame to return through read_frame
  34         VFrame *data;
  35 };
  36
  37
  38 #endif