114     int range, last_index, range1, first_index;  in find_image_range()  local
117     for (first_index = start_index; first_index < start_index + start_index_range; first_index++) {  in find_image_range()
118         if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0) {  in find_image_range()
128     if (first_index == start_index + start_index_range)  in find_image_range()
132     last_index = first_index;  in find_image_range()
155     *pfirst_index = first_index;  in find_image_range()
185     int first_index = 1, last_index = 1;  in ff_img_read_header()  local
270             first_index = 0;  in ff_img_read_header()
276             if (find_image_range(s1->pb, &first_index, &last_index, s->path,  in ff_img_read_header()
290             first_index = 0;  in ff_img_read_header()
304         s->img_first  = first_index;  in ff_img_read_header()
306         s->img_number = first_index;  in ff_img_read_header()
310             st->duration   = last_index - first_index + 1;  in ff_img_read_header()