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