1 /* 2 * This file is part of Wireless Display Software for Linux OS 3 * 4 * Copyright (C) 2015 Intel Corporation. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 19 * 02110-1301 USA 20 */ 21 22 #ifndef LIBWDS_PUBLIC_AUDIO_CODEC_H_ 23 #define LIBWDS_PUBLIC_AUDIO_CODEC_H_ 24 25 #include <bitset> 26 27 namespace wds { 28 29 enum AudioFormats { 30 LPCM, 31 AAC, 32 AC3 33 }; 34 35 enum LPCMModes { 36 LPCM_44_1K_16B_2CH, 37 LPCM_48K_16B_2CH 38 }; 39 40 enum AACModes { 41 AAC_48K_16B_2CH, 42 AAC_48K_16B_4CH, 43 AAC_48K_16B_6CH, 44 AAC_48K_16B_8CH 45 }; 46 47 enum AC3Modes { 48 AC3_48K_16B_2CH, 49 AC3_48K_16B_4CH, 50 AC3_48K_16B_6CH 51 }; 52 53 using AudioModes = std::bitset<32>; 54 55 /** 56 * @brief The AudioCodec struct 57 * 58 * Repersents a <audio-format, modes, latency> tuple used in 'wfd-audio-codecs'. 59 */ 60 struct AudioCodec { AudioCodecAudioCodec61 AudioCodec() 62 : format(LPCM), modes(AudioModes().set(LPCM_48K_16B_2CH)), latency(0) {} AudioCodecAudioCodec63 AudioCodec(AudioFormats format, const AudioModes& modes, unsigned latency) 64 : format(format), modes(modes), latency(latency) {} 65 66 AudioFormats format; 67 AudioModes modes; 68 unsigned latency; 69 }; 70 71 } // namespace wds 72 73 #endif // LIBWDS_PUBLIC_AUDIO_CODEC_H_ 74