mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
8551c6bec0
* qatar/master: dv1394: Swap the min and max values of the 'standard' option rtpdec_vp8: Don't parse fields that aren't used lavc: add some AVPacket doxy. audiointerleave: deobfuscate a function call. rtpdec: factorize identical code used in several handlers a64: remove interleaved mode. doc: Point to the new location of the c99-to-c89 tool decode_audio3: initialize AVFrame ws-snd1: set channel layout wmavoice: set channel layout wmapro: use AVCodecContext.channels instead of keeping a private copy wma: do not keep private copies of some AVCodecContext fields Conflicts: libavcodec/wmadec.c libavcodec/wmaenc.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/*
|
|
* 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"
|
|
#include "rawenc.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 AV_CODEC_ID_A64_MULTI:
|
|
header[2] = 0x00;
|
|
header[3] = AV_RB32(avctx->extradata+0);
|
|
header[4] = 2;
|
|
break;
|
|
case AV_CODEC_ID_A64_MULTI5:
|
|
header[2] = 0x01;
|
|
header[3] = AV_RB32(avctx->extradata+0);
|
|
header[4] = 3;
|
|
break;
|
|
default:
|
|
return AVERROR(EINVAL);
|
|
}
|
|
avio_write(s->pb, header, 2);
|
|
return 0;
|
|
}
|
|
|
|
AVOutputFormat ff_a64_muxer = {
|
|
.name = "a64",
|
|
.long_name = NULL_IF_CONFIG_SMALL("a64 - video for Commodore 64"),
|
|
.extensions = "a64, A64",
|
|
.video_codec = AV_CODEC_ID_A64_MULTI,
|
|
.write_header = a64_write_header,
|
|
.write_packet = ff_raw_write_packet,
|
|
};
|