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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2009-2012 Broadcom Corporation
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  ******************************************************************************/
     18 
     19 /*****************************************************************************
     20  *
     21  *  Filename:      audio_a2dp_hw.h
     22  *
     23  *  Description:
     24  *
     25  *****************************************************************************/
     26 
     27 #ifndef AUDIO_A2DP_HW_H
     28 #define AUDIO_A2DP_HW_H
     29 
     30 /*****************************************************************************
     31 **  Constants & Macros
     32 ******************************************************************************/
     33 
     34 #define A2DP_AUDIO_HARDWARE_INTERFACE "audio.a2dp"
     35 #define A2DP_CTRL_PATH "/data/misc/bluedroid/.a2dp_ctrl"
     36 #define A2DP_DATA_PATH "/data/misc/bluedroid/.a2dp_data"
     37 
     38 #define AUDIO_STREAM_DEFAULT_RATE          44100
     39 #define AUDIO_STREAM_DEFAULT_FORMAT        AUDIO_FORMAT_PCM_16_BIT
     40 #define AUDIO_STREAM_DEFAULT_CHANNEL_FLAG  AUDIO_CHANNEL_OUT_STEREO
     41 #define AUDIO_STREAM_OUTPUT_BUFFER_SZ      (20*512)
     42 #define AUDIO_SKT_DISCONNECTED             (-1)
     43 
     44 typedef enum {
     45     A2DP_CTRL_CMD_NONE,
     46     A2DP_CTRL_CMD_CHECK_READY,
     47     A2DP_CTRL_CMD_START,
     48     A2DP_CTRL_CMD_STOP,
     49     A2DP_CTRL_CMD_SUSPEND,
     50     A2DP_CTRL_GET_AUDIO_CONFIG,
     51 } tA2DP_CTRL_CMD;
     52 
     53 typedef enum {
     54     A2DP_CTRL_ACK_SUCCESS,
     55     A2DP_CTRL_ACK_FAILURE
     56 } tA2DP_CTRL_ACK;
     57 
     58 
     59 /*****************************************************************************
     60 **  Type definitions for callback functions
     61 ******************************************************************************/
     62 
     63 /*****************************************************************************
     64 **  Type definitions and return values
     65 ******************************************************************************/
     66 
     67 /*****************************************************************************
     68 **  Extern variables and functions
     69 ******************************************************************************/
     70 
     71 /*****************************************************************************
     72 **  Functions
     73 ******************************************************************************/
     74 
     75 
     76 /*****************************************************************************
     77 **
     78 ** Function
     79 **
     80 ** Description
     81 **
     82 ** Returns
     83 **
     84 ******************************************************************************/
     85 
     86 #endif /* A2DP_AUDIO_HW_H */
     87 
     88