/* * 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, .p.capabilities = AV_CODEC_CAP_DR1, .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, };