2 * Copyright (c) 2009 Michael Niedermayer
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 static int probe(AVProbeData *p)
26 // the single file i have starts with that, i dont know if others do too
34 return AVPROBE_SCORE_MAX-2;
39 static int read_header(AVFormatContext *s, AVFormatParameters *ap)
43 st = av_new_stream(s, 0);
45 return AVERROR(ENOMEM);
47 st->codec->codec_type = CODEC_TYPE_VIDEO;
48 st->codec->codec_id = CODEC_ID_MPEG4;
49 st->need_parsing = AVSTREAM_PARSE_FULL;
50 av_set_pts_info(st, 64, 1, 90000);
56 static int read_packet(AVFormatContext *s, AVPacket *pkt)
58 int ret, size, pts, type;
60 type= get_be16(s->pb); // 257 or 258
61 size= get_be16(s->pb);
63 get_be16(s->pb); //some flags, 0x80 indicates end of frame
64 get_be16(s->pb); //packet number
66 get_be32(s->pb); //6A 13 E3 88
73 url_fskip(s->pb, size);
77 ret= av_get_packet(s->pb, pkt, size);
82 pkt->stream_index = 0;
87 AVInputFormat iv8_demuxer = {
89 NULL_IF_CONFIG_SMALL("A format generated by IndigoVision 8000 video server"),
94 .flags= AVFMT_GENERIC_INDEX,
95 .value = CODEC_ID_MPEG4,