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2ba45a60 DM |
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 | }; |