1/* 2 * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. 3 * Not a contribution. 4 * 5 * Copyright (C) 2013 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20#ifndef VOICE_H 21#define VOICE_H 22 23#define BASE_SESS_IDX 0 24#define VOICE_SESS_IDX (BASE_SESS_IDX) 25 26#ifdef MULTI_VOICE_SESSION_ENABLED 27#define MAX_VOICE_SESSIONS 5 28#else 29#define MAX_VOICE_SESSIONS 1 30#endif 31 32#define BASE_CALL_STATE 1 33#define CALL_INACTIVE (BASE_CALL_STATE) 34#define CALL_ACTIVE (BASE_CALL_STATE + 1) 35 36#define VOICE_VSID 0x10C01000 37 38#define AUDIO_PARAMETER_KEY_INCALLMUSIC "incall_music_enabled" 39#define AUDIO_PARAMETER_VALUE_TRUE "true" 40 41struct audio_device; 42struct str_parms; 43struct stream_in; 44struct stream_out; 45typedef int audio_usecase_t; 46 47struct call_state { 48 int current; 49 int new; 50}; 51 52struct voice_session { 53 struct pcm *pcm_rx; 54 struct pcm *pcm_tx; 55 struct call_state state; 56 uint32_t vsid; 57}; 58 59struct voice { 60 struct voice_session session[MAX_VOICE_SESSIONS]; 61 int tty_mode; 62 bool mic_mute; 63 float volume; 64 bool is_in_call; 65 bool in_call; 66}; 67 68enum { 69 INCALL_REC_NONE = -1, 70 INCALL_REC_UPLINK, 71 INCALL_REC_DOWNLINK, 72 INCALL_REC_UPLINK_AND_DOWNLINK, 73}; 74 75int voice_start_usecase(struct audio_device *adev, audio_usecase_t usecase_id); 76int voice_stop_usecase(struct audio_device *adev, audio_usecase_t usecase_id); 77 78int voice_start_call(struct audio_device *adev); 79int voice_stop_call(struct audio_device *adev); 80int voice_set_parameters(struct audio_device *adev, struct str_parms *parms); 81void voice_get_parameters(struct audio_device *adev, struct str_parms *query, 82 struct str_parms *reply); 83void voice_init(struct audio_device *adev); 84bool voice_is_in_call(struct audio_device *adev); 85bool voice_is_in_call_rec_stream(struct stream_in *in); 86int voice_set_mic_mute(struct audio_device *dev, bool state); 87bool voice_get_mic_mute(struct audio_device *dev); 88int voice_set_volume(struct audio_device *adev, float volume); 89int voice_check_and_set_incall_rec_usecase(struct audio_device *adev, 90 struct stream_in *in); 91int voice_check_and_set_incall_music_usecase(struct audio_device *adev, 92 struct stream_out *out); 93int voice_check_and_stop_incall_rec_usecase(struct audio_device *adev, 94 struct stream_in *in); 95void voice_update_devices_for_all_voice_usecases(struct audio_device *adev); 96#endif //VOICE_H 97