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54 lines
1.6 KiB
54 lines
1.6 KiB
15 years ago
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/*
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* extract pts as timecode v2, as defined by mkvtoolnix
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* Copyright (c) 2009 David Conrad
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avformat.h"
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static int timecode_v2_write_header(AVFormatContext *s)
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{
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static const char *header = "# timecode format v2\n";
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put_buffer(s->pb, header, strlen(header));
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av_set_pts_info(s->streams[0], 64, 1, 1000);
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return 0;
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}
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static int timecode_v2_write_packet(AVFormatContext *s, AVPacket *pkt)
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{
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char buf[256];
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if (pkt->stream_index)
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av_log(s, AV_LOG_WARNING, "More than one stream unsupported\n");
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snprintf(buf, sizeof(buf), "%" PRId64 "\n", pkt->dts);
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put_buffer(s->pb, buf, strlen(buf));
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put_flush_packet(s->pb);
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return 0;
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}
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AVOutputFormat ff_timecode_v2_muxer = {
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"timecode_v2",
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NULL_IF_CONFIG_SMALL("timecode format v2"),
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NULL,
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"",
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0,
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CODEC_ID_NONE,
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CODEC_ID_RAWVIDEO,
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timecode_v2_write_header,
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timecode_v2_write_packet,
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};
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