Merge "Floss: add corresponding SBC parameters in proto message" into main

option optimize_for = LITE_RUNTIME;

// union of Lc3 config and codec parameters

message Lc3Param {

  // encoder/decoder config

  int32 dt_hz = 1;

  int32 stride = 5;

}

// corresponding to SBC_ENC_PARAMS

message SbcEncoderParam {

  enum SamplingFreq {

    kSbcSf16000 = 0;

    kSbcSf32000 = 1;

    kSbcSf44100 = 2;

    kSbcSf48000 = 3;

  }

  enum ChannelMode {

    kSbcMono = 0;

    kSbcDual = 1;

    kSbcStereo = 2;

    kSbcJointStereo = 3;

  }

  enum AllocationMethod {

    kSbcLoudNess = 0;

    kSbcSnr = 1;

  }

  // Default to be kSbcFormatGeneral for SBC if not assigned.

  // Assigning to kSbcFormatMsbc for MSBC.

  enum Format {

    kSbcFormatGeneral = 0;

    kSbcFormatMsbc = 1;

  }

  // encoder config

  int32 num_of_subbands = 1;

  int32 num_of_channels = 2;

  int32 num_of_blocks = 3;

  int32 bit_pool = 4;

  int32 bit_rate = 5;

  SamplingFreq sampling_freq = 6;

  ChannelMode channel_mode = 7;

  AllocationMethod allocation_method = 8;

  Format format = 9;

}

message SbcDecoderParam {

  // decoder config

  int32 max_channels = 1;

  int32 stride = 2;

  bool enhanced = 3;

}

// 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.

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

    Lc3Param hfp_lc3_encoder_param = 1;

    Lc3Param hfp_lc3_decoder_param = 2;

    // HFP MSBC use SBC parameters

    SbcEncoderParam hfp_msbc_encoder_param = 3;

    SbcDecoderParam hfp_msbc_decoder_param = 4;

  }

}