| /* |
| * Copyright 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // |
| // A2DP constants for LDAC codec |
| // |
| |
| #ifndef A2DP_VENDOR_LDAC_CONSTANTS_H |
| #define A2DP_VENDOR_LDAC_CONSTANTS_H |
| |
| // LDAC Quality Mode Index |
| #define A2DP_LDAC_QUALITY_HIGH 0 // Equal to LDACBT_EQMID_HQ 990kbps |
| #define A2DP_LDAC_QUALITY_MID 1 // Equal to LDACBT_EQMID_SQ 660kbps |
| #define A2DP_LDAC_QUALITY_LOW 2 // Equal to LDACBT_EQMID_MQ 330kbps |
| #define A2DP_LDAC_QUALITY_ABR 3 // ABR mode, range: 990,660,492,396,330(kbps) |
| // ABR mode in offload, range: 990,660,492,396,330(kbps) |
| #define A2DP_LDAC_QUALITY_ABR_OFFLOAD 0x7F |
| |
| // Length of the LDAC Media Payload header |
| #define A2DP_LDAC_MPL_HDR_LEN 1 |
| |
| // LDAC Media Payload Header |
| #define A2DP_LDAC_HDR_F_MSK 0x80 |
| #define A2DP_LDAC_HDR_S_MSK 0x40 |
| #define A2DP_LDAC_HDR_L_MSK 0x20 |
| #define A2DP_LDAC_HDR_NUM_MSK 0x0F |
| |
| // LDAC codec specific settings |
| #define A2DP_LDAC_CODEC_LEN 10 |
| // [Octet 0-3] Vendor ID |
| #define A2DP_LDAC_VENDOR_ID 0x0000012D |
| // [Octet 4-5] Vendor Specific Codec ID |
| #define A2DP_LDAC_CODEC_ID 0x00AA |
| // [Octet 6], [Bits 0-5] Sampling Frequency |
| #define A2DP_LDAC_SAMPLING_FREQ_MASK 0x3F |
| #define A2DP_LDAC_SAMPLING_FREQ_44100 0x20 |
| #define A2DP_LDAC_SAMPLING_FREQ_48000 0x10 |
| #define A2DP_LDAC_SAMPLING_FREQ_88200 0x08 |
| #define A2DP_LDAC_SAMPLING_FREQ_96000 0x04 |
| #define A2DP_LDAC_SAMPLING_FREQ_176400 0x02 |
| #define A2DP_LDAC_SAMPLING_FREQ_192000 0x01 |
| // [Octet 7], [Bits 0-2] Channel Mode |
| #define A2DP_LDAC_CHANNEL_MODE_MASK 0x07 |
| #define A2DP_LDAC_CHANNEL_MODE_MONO 0x04 |
| #define A2DP_LDAC_CHANNEL_MODE_DUAL 0x02 |
| #define A2DP_LDAC_CHANNEL_MODE_STEREO 0x01 |
| |
| #endif // A2DP_VENDOR_LDAC_CONSTANTS_H |
