blob: 7ba6691952ca3ddad9cf88d1f9faff68c41b6da3
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 | }; |
51 |