51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
|
/*
|
||
|
|
* extract pts as timecode v2, as defined by mkvtoolnix
|
||
|
|
* Copyright (c) 2009 David Conrad
|
||
|
|
*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg 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 General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with FFmpeg; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "avformat.h"
|
||
|
|
#include "internal.h"
|
||
|
|
|
||
|
|
static int write_header(AVFormatContext *s)
|
||
|
|
{
|
||
|
|
static const char *header = "# timecode format v2\n";
|
||
|
|
avio_write(s->pb, header, strlen(header));
|
||
|
|
avpriv_set_pts_info(s->streams[0], 64, 1, 1000);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int write_packet(AVFormatContext *s, AVPacket *pkt)
|
||
|
|
{
|
||
|
|
char buf[256];
|
||
|
|
if (pkt->stream_index)
|
||
|
|
av_log(s, AV_LOG_WARNING, "More than one stream unsupported\n");
|
||
|
|
snprintf(buf, sizeof(buf), "%" PRId64 "\n", pkt->dts);
|
||
|
|
avio_write(s->pb, buf, strlen(buf));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
AVOutputFormat ff_mkvtimestamp_v2_muxer = {
|
||
|
|
.name = "mkvtimestamp_v2",
|
||
|
|
.long_name = NULL_IF_CONFIG_SMALL("extract pts as timecode v2 format, as defined by mkvtoolnix"),
|
||
|
|
.audio_codec = AV_CODEC_ID_NONE,
|
||
|
|
.video_codec = AV_CODEC_ID_RAWVIDEO,
|
||
|
|
.write_header = write_header,
|
||
|
|
.write_packet = write_packet,
|
||
|
|
};
|