| 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 | |
| 25 | static 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 | |
| 33 | static 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 | |
| 43 | AVOutputFormat 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 | }; |