1 /* 2 * Copyright (C) 2014-2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef VOICE_H 18 #define VOICE_H 19 20 #define BASE_SESS_IDX 0 21 #define VOICE_SESS_IDX (BASE_SESS_IDX) 22 23 #ifdef MULTI_VOICE_SESSION_ENABLED 24 #define MAX_VOICE_SESSIONS 7 25 #else 26 #define MAX_VOICE_SESSIONS 1 27 #endif 28 29 #define BASE_CALL_STATE 1 30 #define CALL_INACTIVE (BASE_CALL_STATE) 31 #define CALL_ACTIVE (BASE_CALL_STATE + 1) 32 33 #define VOICE_VSID 0x10C01000 34 35 #define AUDIO_PARAMETER_KEY_INCALLMUSIC "incall_music_enabled" 36 #define AUDIO_PARAMETER_VALUE_TRUE "true" 37 38 struct audio_device; 39 struct str_parms; 40 struct stream_in; 41 struct stream_out; 42 typedef int audio_usecase_t; 43 typedef int snd_device_t; 44 45 struct call_state { 46 int current; 47 int new; 48 }; 49 50 struct voice_session { 51 struct pcm *pcm_rx; 52 struct pcm *pcm_tx; 53 struct call_state state; 54 uint32_t vsid; 55 }; 56 57 struct voice { 58 struct voice_session session[MAX_VOICE_SESSIONS]; 59 int tty_mode; 60 bool hac; 61 bool mic_mute; 62 float volume; 63 bool in_call; 64 }; 65 66 enum { 67 INCALL_REC_NONE = -1, 68 INCALL_REC_UPLINK, 69 INCALL_REC_DOWNLINK, 70 INCALL_REC_UPLINK_AND_DOWNLINK, 71 }; 72 73 int voice_start_usecase(struct audio_device *adev, audio_usecase_t usecase_id); 74 int voice_stop_usecase(struct audio_device *adev, audio_usecase_t usecase_id); 75 76 int voice_start_call(struct audio_device *adev); 77 int voice_stop_call(struct audio_device *adev); 78 int voice_set_parameters(struct audio_device *adev, struct str_parms *parms); 79 void voice_get_parameters(struct audio_device *adev, struct str_parms *query, 80 struct str_parms *reply); 81 void voice_init(struct audio_device *adev); 82 bool voice_is_in_call(struct audio_device *adev); 83 bool voice_is_in_call_rec_stream(struct stream_in *in); 84 int voice_set_mic_mute(struct audio_device *dev, bool state); 85 bool voice_get_mic_mute(struct audio_device *dev); 86 int voice_set_volume(struct audio_device *adev, float volume); 87 int voice_check_and_set_incall_rec_usecase(struct audio_device *adev, 88 struct stream_in *in); 89 int voice_check_and_set_incall_music_usecase(struct audio_device *adev, 90 struct stream_out *out); 91 int voice_check_and_stop_incall_rec_usecase(struct audio_device *adev, 92 struct stream_in *in); 93 void voice_update_devices_for_all_voice_usecases(struct audio_device *adev); 94 void voice_set_sidetone(struct audio_device *adev, 95 snd_device_t out_snd_device, 96 bool enable); 97 bool voice_is_call_state_active(struct audio_device *adev); 98 void voice_set_device_mute_flag (struct audio_device *adev, bool state); 99 100 #endif //VOICE_H 101