quicktime/rechunk.c

   1 #include "funcprotos.h"
   2 #include "quicktime.h"
   3
   4 int usage(void)
   5 {
   6         printf("usage: rechunk [-f framerate] [-w width] [-h height] [-c fourcc] <input frames> <output movie>\n");
   7         printf("        Concatenate input frames into a Quicktime movie.\n");
   8         exit(1);
   9         return 0;
  10 }
  11
  12 int main(int argc, char *argv[])
  13 {
  14         quicktime_t *file;
  15         FILE *input;
  16         int result = 0;
  17         int i, j;
  18         int64_t length;
  19         char string[1024], *output = 0;
  20         char *data = 0;
  21         int bytes = 0, old_bytes = 0;
  22         float output_rate = 0;
  23         float input_rate;
  24         int64_t input_frame;
  25         int64_t new_length;
  26         int rgb_to_ppm = 0;
  27         char **input_frames = 0;
  28         int total_input_frames = 0;
  29         int width = 720, height = 480;
  30         char compressor[5] = "yv12";
  31
  32         if(argc < 3)
  33         {
  34                 usage();
  35         }
  36
  37         for(i = 1, j = 0; i < argc; i++)
  38         {
  39                 if(!strcmp(argv[i], "-f"))
  40                 {
  41                         if(i + 1 < argc)
  42                         {
  43                                 output_rate = atof(argv[++i]);
  44                         }
  45                         else
  46                                 usage();
  47                 }
  48                 else
  49                 if(!strcmp(argv[i], "-w"))
  50                 {
  51                         if(i + 1 < argc)
  52                                 width = atol(argv[++i]);
  53                         else
  54                                 usage();
  55                 }
  56                 else
  57                 if(!strcmp(argv[i], "-h"))
  58                 {
  59                         if(i + 1 < argc)
  60                                 height = atol(argv[++i]);
  61                         else
  62                                 usage();
  63                 }
  64                 else
  65                 if(!strcmp(argv[i], "-c"))
  66                 {
  67                         if(i + 1 < argc)
  68                         {
  69                                 strncpy(compressor, argv[++i], 4);
  70                         }
  71                         else
  72                                 usage();
  73                 }
  74                 if(i == argc - 1)
  75                 {
  76                         output = argv[i];
  77                 }
  78                 else
  79                 {
  80                         total_input_frames++;
  81                         input_frames = realloc(input_frames, sizeof(char*) * total_input_frames);
  82                         input_frames[total_input_frames - 1] = argv[i];
  83                 }
  84         }
  85
  86         if(!input) usage();
  87
  88         if(input = fopen(output, "rb"))
  89         {
  90                 printf("Output file already exists.\n");
  91                 exit(1);
  92         }
  93
  94         if(!(file = quicktime_open(output, 0, 1)))
  95         {
  96                 printf("Open failed\n");
  97                 exit(1);
  98         }
  99
 100         quicktime_set_video(file, 1, width, height, output_rate, compressor);
 101
 102         for(i = 0; i < total_input_frames; i++)
 103         {
 104 /* Get output file */
 105                 if(!(input = fopen(input_frames[i], "rb")))
 106                 {
 107                         perror("Open failed");
 108                         continue;
 109                 }
 110
 111 /* Get input frame */
 112                 fseek(input, 0, SEEK_END);
 113                 bytes = ftell(input);
 114                 fseek(input, 0, SEEK_SET);
 115                 data = realloc(data, bytes);
 116
 117                 fread(data, bytes, 1, input);
 118                 quicktime_write_frame(file, data, bytes, 0);
 119                 fclose(input);
 120         }
 121
 122         quicktime_close(file);
 123 }