1/* 2 * extract pts as timecode v2, as defined by mkvtoolnix 3 * Copyright (c) 2009 David Conrad 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#include "avformat.h" 23#include "internal.h" 24 25static int write_header(AVFormatContext *s) 26{ 27 static const char *header = "# timecode format v2\n"; 28 avio_write(s->pb, header, strlen(header)); 29 avpriv_set_pts_info(s->streams[0], 64, 1, 1000); 30 return 0; 31} 32 33static int write_packet(AVFormatContext *s, AVPacket *pkt) 34{ 35 char buf[256]; 36 if (pkt->stream_index) 37 av_log(s, AV_LOG_WARNING, "More than one stream unsupported\n"); 38 snprintf(buf, sizeof(buf), "%" PRId64 "\n", pkt->dts); 39 avio_write(s->pb, buf, strlen(buf)); 40 return 0; 41} 42 43AVOutputFormat ff_mkvtimestamp_v2_muxer = { 44 .name = "mkvtimestamp_v2", 45 .long_name = NULL_IF_CONFIG_SMALL("extract pts as timecode v2 format, as defined by mkvtoolnix"), 46 .audio_codec = AV_CODEC_ID_NONE, 47 .video_codec = AV_CODEC_ID_RAWVIDEO, 48 .write_header = write_header, 49 .write_packet = write_packet, 50}; 51