1/*
2 * The simplest mpeg audio layer 2 encoder
3 * Copyright (c) 2000, 2001 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
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.
11 *
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.
16 *
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
20 */
21
22#include "libavutil/channel_layout.h"
23#define USE_FLOATS 1
24#include "codec_internal.h"
25#include "mpegaudioenc_template.c"
26
27const FFCodec ff_mp2_encoder = {
28    .p.name                = "mp2",
29    .p.long_name           = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
30    .p.type                = AVMEDIA_TYPE_AUDIO,
31    .p.id                  = AV_CODEC_ID_MP2,
32    .priv_data_size        = sizeof(MpegAudioContext),
33    .init                  = MPA_encode_init,
34    FF_CODEC_ENCODE_CB(MPA_encode_frame),
35    .p.sample_fmts         = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
36                                                            AV_SAMPLE_FMT_NONE },
37    .p.supported_samplerates = (const int[]){
38        44100, 48000,  32000, 22050, 24000, 16000, 0
39    },
40#if FF_API_OLD_CHANNEL_LAYOUT
41    .p.channel_layouts     = (const uint64_t[]){ AV_CH_LAYOUT_MONO,
42                                                 AV_CH_LAYOUT_STEREO,
43                                                 0 },
44#endif
45    .p.ch_layouts          = (const AVChannelLayout[]){ AV_CHANNEL_LAYOUT_MONO,
46                                                        AV_CHANNEL_LAYOUT_STEREO,
47                                                        { 0 } },
48    .defaults              = mp2_defaults,
49    .caps_internal         = FF_CODEC_CAP_INIT_THREADSAFE,
50};
51