mirror of https://git.ffmpeg.org/ffmpeg.git
50 lines
2.1 KiB
C
50 lines
2.1 KiB
C
/*
|
|
* The simplest mpeg audio layer 2 encoder
|
|
* Copyright (c) 2000, 2001 Fabrice Bellard
|
|
*
|
|
* 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 "libavutil/channel_layout.h"
|
|
#define USE_FLOATS 1
|
|
#include "codec_internal.h"
|
|
#include "mpegaudioenc_template.c"
|
|
|
|
const FFCodec ff_mp2_encoder = {
|
|
.p.name = "mp2",
|
|
.p.long_name = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
|
|
.p.type = AVMEDIA_TYPE_AUDIO,
|
|
.p.id = AV_CODEC_ID_MP2,
|
|
.priv_data_size = sizeof(MpegAudioContext),
|
|
.init = MPA_encode_init,
|
|
FF_CODEC_ENCODE_CB(MPA_encode_frame),
|
|
.p.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
|
|
AV_SAMPLE_FMT_NONE },
|
|
.p.supported_samplerates = (const int[]){
|
|
44100, 48000, 32000, 22050, 24000, 16000, 0
|
|
},
|
|
#if FF_API_OLD_CHANNEL_LAYOUT
|
|
.p.channel_layouts = (const uint64_t[]){ AV_CH_LAYOUT_MONO,
|
|
AV_CH_LAYOUT_STEREO,
|
|
0 },
|
|
#endif
|
|
.p.ch_layouts = (const AVChannelLayout[]){ AV_CHANNEL_LAYOUT_MONO,
|
|
AV_CHANNEL_LAYOUT_STEREO,
|
|
{ 0 } },
|
|
.defaults = mp2_defaults,
|
|
};
|