cinelerra-5.0/quicktime/rechunk.c

   1 #include "funcprotos.h"
   2 #include "quicktime.h"
   3 #include <string.h>
   4
   5
   6 int usage(void)
   7 {
   8         printf("usage: rechunk [-f framerate] [-w width] [-h height] [-c fourcc] <input frames> <output movie>\n");
   9         printf("        Concatenate input frames into a Quicktime movie.\n");
  10         exit(1);
  11         return 0;
  12 }
  13
  14 int main(int argc, char *argv[])
  15 {
  16         quicktime_t *file;
  17         FILE *input;
  18         int result = 0;
  19         int i, j;
  20         int64_t length;
  21         char string[1024], *output = 0;
  22         char *data = 0;
  23         int bytes = 0, old_bytes = 0;
  24         float output_rate = 0;
  25         float input_rate;
  26         int64_t input_frame;
  27         int64_t new_length;
  28         int rgb_to_ppm = 0;
  29         char **input_frames = 0;
  30         int total_input_frames = 0;
  31         int width = 720, height = 480;
  32         char compressor[5] = "yv12";
  33
  34         if(argc < 3)
  35         {
  36                 usage();
  37         }
  38
  39         for(i = 1, j = 0; i < argc; i++)
  40         {
  41                 if(!strcmp(argv[i], "-f"))
  42                 {
  43                         if(i + 1 < argc)
  44                         {
  45                                 output_rate = atof(argv[++i]);
  46                         }
  47                         else
  48                                 usage();
  49                 }
  50                 else
  51                 if(!strcmp(argv[i], "-w"))
  52                 {
  53                         if(i + 1 < argc)
  54                                 width = atol(argv[++i]);
  55                         else
  56                                 usage();
  57                 }
  58                 else
  59                 if(!strcmp(argv[i], "-h"))
  60                 {
  61                         if(i + 1 < argc)
  62                                 height = atol(argv[++i]);
  63                         else
  64                                 usage();
  65                 }
  66                 else
  67                 if(!strcmp(argv[i], "-c"))
  68                 {
  69                         if(i + 1 < argc)
  70                         {
  71                                 strncpy(compressor, argv[++i], 4);
  72                         }
  73                         else
  74                                 usage();
  75                 }
  76                 if(i == argc - 1)
  77                 {
  78                         output = argv[i];
  79                 }
  80                 else
  81                 {
  82                         total_input_frames++;
  83                         input_frames = realloc(input_frames, sizeof(char*) * total_input_frames);
  84                         input_frames[total_input_frames - 1] = argv[i];
  85                 }
  86         }
  87
  88         if(!input) usage();
  89
  90         if(input = fopen(output, "rb"))
  91         {
  92                 printf("Output file already exists.\n");
  93                 exit(1);
  94         }
  95
  96         if(!(file = quicktime_open(output, 0, 1)))
  97         {
  98                 printf("Open failed\n");
  99                 exit(1);
 100         }
 101
 102         quicktime_set_video(file, 1, width, height, output_rate, compressor);
 103
 104         for(i = 0; i < total_input_frames; i++)
 105         {
 106 /* Get output file */
 107                 if(!(input = fopen(input_frames[i], "rb")))
 108                 {
 109                         perror("Open failed");
 110                         continue;
 111                 }
 112
 113 /* Get input frame */
 114                 fseek(input, 0, SEEK_END);
 115                 bytes = ftell(input);
 116                 fseek(input, 0, SEEK_SET);
 117                 data = realloc(data, bytes);
 118
 119                 fread(data, bytes, 1, input);
 120                 quicktime_write_frame(file, data, bytes, 0);
 121                 fclose(input);
 122         }
 123
 124         quicktime_close(file);
 125 }