| /* |
| * Copyright (C) 2022 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. |
| */ |
| |
| #define LOG_TAG "hfp_msbc_encoder" |
| |
| #include "hfp_msbc_encoder.h" |
| |
| #include <cstring> |
| |
| #include "embdrv/sbc/encoder/include/sbc_encoder.h" |
| |
| typedef struct { |
| SBC_ENC_PARAMS sbc_encoder_params; |
| } tHFP_MSBC_ENCODER; |
| |
| static tHFP_MSBC_ENCODER hfp_msbc_encoder = {}; |
| |
| void hfp_msbc_encoder_init(void) { |
| SBC_ENC_PARAMS* p_encoder_params = &hfp_msbc_encoder.sbc_encoder_params; |
| p_encoder_params->s16SamplingFreq = SBC_sf16000; |
| p_encoder_params->s16ChannelMode = SBC_MONO; |
| p_encoder_params->s16NumOfSubBands = 8; |
| p_encoder_params->s16NumOfChannels = 1; |
| p_encoder_params->s16NumOfBlocks = 15; |
| p_encoder_params->s16AllocationMethod = SBC_LOUDNESS; |
| p_encoder_params->s16BitPool = 26; |
| p_encoder_params->Format = SBC_FORMAT_MSBC; |
| } |
| |
| void hfp_msbc_encoder_cleanup(void) { hfp_msbc_encoder = {}; } |
| |
| uint32_t hfp_msbc_encode_frames(int16_t* input, uint8_t* output) { |
| return SBC_Encode(&hfp_msbc_encoder.sbc_encoder_params, input, output); |
| } |