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