aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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,
};
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