1 /* 2 * Copyright 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 // 18 // A2DP constants for LDAC codec 19 // 20 21 #ifndef A2DP_VENDOR_LDAC_CONSTANTS_H 22 #define A2DP_VENDOR_LDAC_CONSTANTS_H 23 24 // LDAC Quality Mode Index 25 #define A2DP_LDAC_QUALITY_HIGH 0 // Equal to LDACBT_EQMID_HQ 990kbps 26 #define A2DP_LDAC_QUALITY_MID 1 // Equal to LDACBT_EQMID_SQ 660kbps 27 #define A2DP_LDAC_QUALITY_LOW 2 // Equal to LDACBT_EQMID_MQ 330kbps 28 #define A2DP_LDAC_QUALITY_ABR 3 // ABR mode, range: 990,660,492,396,330(kbps) 29 // ABR mode in offload, range: 990,660,492,396,330(kbps) 30 #define A2DP_LDAC_QUALITY_ABR_OFFLOAD 0x7F 31 32 // Length of the LDAC Media Payload header 33 #define A2DP_LDAC_MPL_HDR_LEN 1 34 35 // LDAC Media Payload Header 36 #define A2DP_LDAC_HDR_F_MSK 0x80 37 #define A2DP_LDAC_HDR_S_MSK 0x40 38 #define A2DP_LDAC_HDR_L_MSK 0x20 39 #define A2DP_LDAC_HDR_NUM_MSK 0x0F 40 41 // LDAC codec specific settings 42 #define A2DP_LDAC_CODEC_LEN 10 43 // [Octet 0-3] Vendor ID 44 #define A2DP_LDAC_VENDOR_ID 0x0000012D 45 // [Octet 4-5] Vendor Specific Codec ID 46 #define A2DP_LDAC_CODEC_ID 0x00AA 47 // [Octet 6], [Bits 0-5] Sampling Frequency 48 #define A2DP_LDAC_SAMPLING_FREQ_MASK 0x3F 49 #define A2DP_LDAC_SAMPLING_FREQ_44100 0x20 50 #define A2DP_LDAC_SAMPLING_FREQ_48000 0x10 51 #define A2DP_LDAC_SAMPLING_FREQ_88200 0x08 52 #define A2DP_LDAC_SAMPLING_FREQ_96000 0x04 53 #define A2DP_LDAC_SAMPLING_FREQ_176400 0x02 54 #define A2DP_LDAC_SAMPLING_FREQ_192000 0x01 55 // [Octet 7], [Bits 0-2] Channel Mode 56 #define A2DP_LDAC_CHANNEL_MODE_MASK 0x07 57 #define A2DP_LDAC_CHANNEL_MODE_MONO 0x04 58 #define A2DP_LDAC_CHANNEL_MODE_DUAL 0x02 59 #define A2DP_LDAC_CHANNEL_MODE_STEREO 0x01 60 61 #endif // A2DP_VENDOR_LDAC_CONSTANTS_H 62