blob: 4d4ab2d7fa6677e4952206382de02443f6f898b2
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 | #define USE_FLOATS 1 |
23 | #include "mpegaudioenc_template.c" |
24 | |
25 | AVCodec ff_mp2_encoder = { |
26 | .name = "mp2", |
27 | .long_name = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"), |
28 | .type = AVMEDIA_TYPE_AUDIO, |
29 | .id = AV_CODEC_ID_MP2, |
30 | .priv_data_size = sizeof(MpegAudioContext), |
31 | .init = MPA_encode_init, |
32 | .encode2 = MPA_encode_frame, |
33 | .sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16, |
34 | AV_SAMPLE_FMT_NONE }, |
35 | .supported_samplerates = (const int[]){ |
36 | 44100, 48000, 32000, 22050, 24000, 16000, 0 |
37 | }, |
38 | .channel_layouts = (const uint64_t[]){ AV_CH_LAYOUT_MONO, |
39 | AV_CH_LAYOUT_STEREO, |
40 | 0 }, |
41 | .defaults = mp2_defaults, |
42 | }; |
43 |