Floss: define MMC unified config and codec parameters

include platform/packages/modules/Bluetooth:/OWNERS_chromeos

#

#  Copyright 2023 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.

#

import("//common-mk/proto_library.gni")

proto_library("mmc_config_proto") {

  proto_in_dir = "./"

  proto_out_dir = "include/mmc/proto"

  sources = [

    "${proto_in_dir}/mmc_config.proto",

  ]

  standalone=true

}

/*

 * Copyright 2023 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.

 */

syntax = "proto3";

package mmc;

option optimize_for = LITE_RUNTIME;

message Lc3Param {

  // encoder/decoder config

  int32 dt_hz = 1;

  int32 sr_hz = 2;

  int32 sr_pcm_hz = 3;

  // encode/decode parameter

  enum PcmFmt {

    kLc3PcmFormatS16 = 0;

    kLc3PcmFormatS24 = 1;

  }

  PcmFmt fmt = 4;

  int32 stride = 5;

}

// union of different codec parameters

message ConfigParam {

  // This determines the codec type and whether it is an encoder or a decoder.

  oneof codec_param {

    // HFP LC3 encoder and decoder has same parameter type.

    Lc3Param hfp_lc3_encoder_param = 1;

    Lc3Param hfp_lc3_decoder_param = 2;

  }

}