streamtools/output-drv-timecodev2.cpp

   1 #include "output-drv.hpp"
   2 #include <cstdio>
   3 #include <stdexcept>
   4 #include <string>
   5
   6 namespace
   7 {
   8         class output_driver_timecodev2 : public output_driver
   9         {
  10         public:
  11                 output_driver_timecodev2(const std::string& filename)
  12                 {
  13                         if(filename != "-")
  14                                 out = fopen(filename.c_str(), "wb");
  15                         else
  16                                 out = stdout;
  17                         if(!out)
  18                                 throw std::runtime_error("Unable to open output file");
  19                         fprintf(out, "# timecode format v2\n");
  20                         set_video_callback<output_driver_timecodev2>(*this, &output_driver_timecodev2::video_callback);
  21                 }
  22
  23                 ~output_driver_timecodev2()
  24                 {
  25                         fclose(out);
  26                 }
  27
  28                 void ready()
  29                 {
  30                 }
  31
  32                 void video_callback(uint64_t timestamp, const uint8_t* raw_rgbx_data)
  33                 {
  34                         fprintf(out, "%llu\n", (unsigned long long)timestamp / 1000000);
  35                 }
  36         private:
  37                 FILE* out;
  38         };
  39
  40         class output_driver_timecodev2_factory : output_driver_factory
  41         {
  42         public:
  43                 output_driver_timecodev2_factory()
  44                         : output_driver_factory("timecodev2")
  45                 {
  46                 }
  47
  48                 output_driver& make(const std::string& type, const std::string& name, const std::string& parameters)
  49                 {
  50                         if(parameters != "")
  51                                 throw std::runtime_error("timecodev2 output does not take parameters");
  52                         return *new output_driver_timecodev2(name);
  53                 }
  54         } factory;
  55 }