/* * scan_packet_headers.c * * Copyright (C) Peter Schlaile - January 2001 * * This file is part of libdv, a free DV (IEC 61834/SMPTE 314M) * codec. * * libdv is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser Public License as published by * the Free Software Foundation; either version 2.1, or (at your * option) any later version. * * libdv is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser Public License for more details. * * You should have received a copy of the GNU Lesser Public License * along with libdv; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * The libdv homepage is http://libdv.sourceforge.net/. */ #include "libdv/dv_types.h" #include #include #include int main(int argc, const char** argv) { unsigned char buf[80]; int dif_count = -1; int packet = -1; int frame = 0; while (read(STDIN_FILENO, buf, 80) == 80) { int i; dif_count++; if ((dif_count % 6) == 0) { if (buf[0] == 0x1f && buf[1] == 0x07 && packet != -1) { packet = -1; dif_count = 0; frame++; printf("------------------------\n"); } packet++; } printf("%04d/%03d/%03d :", dif_count, packet, frame); for (i = 0; i < 40; i++) { printf("%02x ", buf[i]); } printf("| "); for (i = 40; i < 80; i++) { printf("%02x ", buf[i]); } printf("\n"); } exit(0); }