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#define _XOPEN_SOURCE 500
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include "video_decode.h"
#include "util.h"
static void
usage(void)
{
fprintf(stderr, "findcut [-dh] [-t THRESHOLD] VIDEO CUT\n"
"\n"
"OPTIONS\n"
"\t-d\tprint diff for every frame\n"
"\t-h\tprint this help message\n"
"\t-t\tthreshold matching\n"
"\t-T\tprint timestamp of every frame\n");
exit(EXIT_FAILURE);
}
int
main(int argc, char **argv)
{
struct video_decode *video_vd;
struct video_decode *cut_vd;
struct video_frame *cur_frame = NULL, *cut_frame = NULL;
int ret, ch;
int diff_flag = 0, time_flag = 0;
int64_t timestamp = 0;
int64_t threshold = 10;
double diff = 0.0;
while ((ch = getopt(argc, argv, "dtTh")) != -1) {
switch (ch) {
case 'd':
diff_flag = 1; /* print diff of every frame */
break;
case 't':
threshold = strtol(optarg, NULL, 10);
break;
case 'T':
time_flag = 1;
break;
case 'h':
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (argc < 2)
usage();
ret = video_decode_init(&cut_vd, argv[1], timestamp);
if (ret < 0)
return -ret;
/* just get first frame of the cut */
video_decode_get_frame(cut_vd, &cut_frame);
ret = video_decode_init(&video_vd, argv[0], timestamp);
if (ret < 0)
return -ret;
for (int i = 0; video_decode_get_frame(video_vd, &cur_frame) > 0; ++i) {
diff = frame_diff(cut_frame, cur_frame);
if (diff <= threshold || diff_flag) {
if (time_flag)
printf("%lld", cur_frame->dts);
else
print_time(cur_frame->dts);
printf(" %f\n", diff);
}
}
video_decode_free_frame(&cur_frame);
video_decode_free_frame(&cut_frame);
video_decode_uninit(&video_vd);
video_decode_uninit(&cut_vd);
return EXIT_SUCCESS;
}
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