( (frame / (fps * 3600) % 24)) % 10; // units of hours
}
-static int check_timecode_rate(void *avcl, AVRational rate, int drop)
+int avpriv_check_timecode_rate(void *avcl, AVRational rate, int drop)
{
int fps;
return -1;
}
fps = (rate.num + rate.den/2) / rate.den;
- if (drop && (rate.den != 1001 || fps != 30)) {
+ if (drop && fps != 30) {
av_log(avcl, AV_LOG_ERROR, "Drop frame is only allowed with 30000/1001 FPS\n");
return -2;
}
{
int frame_num = tc->start + frame;
int fps = (tc->rate.num + tc->rate.den/2) / tc->rate.den;
- int hh, mm, ss, ff;
+ int hh, mm, ss, ff, neg = 0;
if (tc->drop)
frame_num = avpriv_framenum_to_drop_timecode(frame_num);
+ if (frame_num < 0) {
+ frame_num = -frame_num;
+ neg = 1;
+ }
ff = frame_num % fps;
ss = frame_num / fps % 60;
mm = frame_num / (fps*60) % 60;
- hh = frame_num / (fps*3600) % 24;
- snprintf(buf, sizeof("hh:mm:ss.ff"), "%02d:%02d:%02d%c%02d",
+ hh = frame_num / (fps*3600);
+ snprintf(buf, 16, "%s%02d:%02d:%02d%c%02d",
+ neg ? "-" : "",
hh, mm, ss, tc->drop ? ';' : ':', ff);
return buf;
}
tc->drop = c != ':'; // drop if ';', '.', ...
- ret = check_timecode_rate(avcl, tc->rate, tc->drop);
+ ret = avpriv_check_timecode_rate(avcl, tc->rate, tc->drop);
if (ret < 0)
return ret;