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Commit a624cc88 authored by Jeremy Wu's avatar Jeremy Wu Committed by Automerger Merge Worker
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Merge changes I6e6d6b01,I273747d5,I8f6489d6 into main am: c159d204 

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2715735



Change-Id: I86483147adb09e27005c2dab61ca73d328883073
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 269c90fc c159d204

system/stack/mmc/mmc_interface/mmc_interface.h

0 → 100644
+52 −0
Original line number Diff line number Diff line 
/*

 * 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.

 */



#ifndef MMC_MMC_INTERFACE_MMC_INTERFACE_H_

#define MMC_MMC_INTERFACE_MMC_INTERFACE_H_



#include <stdint.h>



#include "mmc/proto/mmc_config.pb.h"



namespace mmc {



// An abstract interface representing either an encoder or a decoder.

class MmcInterface {

 public:

  virtual ~MmcInterface() = default;



  // Builds and configures the encoder/decoder instance.

  //

  // Returns:

  //   Input frame size accepted by the transcoder, if init succeeded.

  //   Negative errno on error, otherwise.

  virtual int init(ConfigParam config) = 0;



  // Resets the encoder/decoder instance.

  virtual void cleanup() = 0;



  // Transcodes data in |i_buf|, and stores the result in |o_buf|.

  //

  // Returns:

  //   Transcoded data length, if transcode succeeded.

  //   Negative errno on error, otherwise.

  virtual int transcode(uint8_t* i_buf, int i_len, uint8_t* o_buf,

                        int o_len) = 0;

};



}  // namespace mmc



#endif  // MMC_MMC_INTERFACE_MMC_INTERFACE_H_

system/stack/mmc/proto/BUILD.gn

+10 −0
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@@ -24,3 +24,13 @@ proto_library("mmc_config_proto") { 
  ]

  standalone=true

}



proto_library("mmc_service_proto") {

  proto_in_dir = "./"

  proto_out_dir = "include/mmc/proto"

  sources = [

    "${proto_in_dir}/mmc_service.proto",

  ]

  deps = [ ":mmc_config_proto" ]

  standalone=true

}

system/stack/mmc/proto/mmc_config.proto

+1 −1
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ option optimize_for = LITE_RUNTIME; 
// union of Lc3 config and codec parameters

message Lc3Param {

  // encoder/decoder config

  int32 dt_hz = 1;

  int32 dt_us = 1;

  int32 sr_hz = 2;

  int32 sr_pcm_hz = 3;

system/stack/mmc/proto/mmc_service.proto

0 → 100644
+35 −0
Original line number Diff line number Diff line 
/*

 * 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;



import "mmc_config.proto";



option optimize_for = LITE_RUNTIME;



message CodecInitRequest {

  // Codec-specific parameters passed by client.

  ConfigParam config = 1;

}



message CodecInitResponse {

  // Socket name generated by the daemon.

  string socket_token = 1;

  // Input frame size accepted by the codec server.

  int32 input_frame_size = 2;

}