virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-26 19:01:44 +02:00
Code Issues Releases Activity

Corresponding muxer for the a64 codec

Browse Source 
Originally committed as revision 24875 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Tobias Bindhammer 2010-08-23 11:47:50 +00:00
parent 07862680b5
commit 901694f160
1 changed files with 72 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
libavformat/a64.c Normal file
View File

@ -0,0 +1,72 @@
/*
* a64 muxer
* Copyright (c) 2009 Tobias Bindhammer
*
* 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 "libavcodec/avcodec.h"
#include "libavcodec/a64enc.h"
#include "libavcodec/bytestream.h"
#include "avformat.h"
static int a64_write_header(struct AVFormatContext *s)
{
AVCodecContext *avctx=s->streams[0]->codec;
uint8_t header[5] = {
0x00, //load
0x40, //address
0x00, //mode
0x00, //charset_lifetime (multi only)
0x00 //fps in 50/fps;
};
switch (avctx->codec->id) {
case CODEC_ID_A64_MULTI:
header[2] = 0x00;
header[3] = 4;
header[4] = 2;
break;
case CODEC_ID_A64_MULTI5:
header[2] = 0x01;
header[3] = 4;
header[4] = 3;
break;
default:
return -1;
break;
}
put_buffer(s->pb, header, 2);
return 0;
}
static int a64_write_packet(struct AVFormatContext *s, AVPacket *pkt)
{
put_buffer(s->pb, pkt->data, pkt->size);
put_flush_packet(s->pb);
return 0;
}
AVOutputFormat a64_muxer = {
.name = "a64",
.long_name = NULL_IF_CONFIG_SMALL("a64 - video for Commodore 64"),
.mime_type = NULL,
.extensions = "a64, A64",
.priv_data_size = sizeof (A64Context),
.video_codec = CODEC_ID_A64_MULTI,
a64_write_header,
a64_write_packet,
};