3 * Copyright (c) 2009 Tobias Bindhammer
5 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavcodec/avcodec.h"
23 #include "libavcodec/bytestream.h"
27 static int a64_write_header(struct AVFormatContext *s)
29 AVCodecContext *avctx = s->streams[0]->codec;
34 0x00, //charset_lifetime (multi only)
37 switch (avctx->codec->id) {
38 case AV_CODEC_ID_A64_MULTI:
40 header[3] = AV_RB32(avctx->extradata+0);
43 case AV_CODEC_ID_A64_MULTI5:
45 header[3] = AV_RB32(avctx->extradata+0);
49 return AVERROR(EINVAL);
51 avio_write(s->pb, header, 2);
55 AVOutputFormat ff_a64_muxer = {
57 .long_name = NULL_IF_CONFIG_SMALL("a64 - video for Commodore 64"),
58 .extensions = "a64, A64",
59 .video_codec = AV_CODEC_ID_A64_MULTI,
60 .write_header = a64_write_header,
61 .write_packet = ff_raw_write_packet,