Revision 901694f1

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libavformat/a64.c
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/*
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 * a64 muxer
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 * Copyright (c) 2009 Tobias Bindhammer
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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 "libavcodec/avcodec.h"
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#include "libavcodec/a64enc.h"
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#include "libavcodec/bytestream.h"
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#include "avformat.h"
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static int a64_write_header(struct AVFormatContext *s)
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{
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    AVCodecContext *avctx=s->streams[0]->codec;
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    uint8_t header[5] = {
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        0x00, //load
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        0x40, //address
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        0x00, //mode
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        0x00, //charset_lifetime (multi only)
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        0x00  //fps in 50/fps;
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    };
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    switch (avctx->codec->id) {
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    case CODEC_ID_A64_MULTI:
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        header[2] = 0x00;
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        header[3] = 4;
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        header[4] = 2;
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        break;
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    case CODEC_ID_A64_MULTI5:
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        header[2] = 0x01;
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        header[3] = 4;
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        header[4] = 3;
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        break;
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    default:
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        return -1;
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        break;
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    }
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    put_buffer(s->pb, header, 2);
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    return 0;
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}
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static int a64_write_packet(struct AVFormatContext *s, AVPacket *pkt)
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{
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    put_buffer(s->pb, pkt->data, pkt->size);
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    put_flush_packet(s->pb);
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    return 0;
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}
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AVOutputFormat a64_muxer = {
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    .name = "a64",
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    .long_name = NULL_IF_CONFIG_SMALL("a64 - video for Commodore 64"),
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    .mime_type = NULL,
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    .extensions = "a64, A64",
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    .priv_data_size = sizeof (A64Context),
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    .video_codec = CODEC_ID_A64_MULTI,
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    a64_write_header,
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    a64_write_packet,
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};

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