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/*
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
* Not a contribution.
*
* Copyright (C) 2013 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 VOICE_H
#define VOICE_H
#define BASE_SESS_IDX 0
#define VOICE_SESS_IDX (BASE_SESS_IDX)
#ifdef MULTI_VOICE_SESSION_ENABLED
#define MAX_VOICE_SESSIONS 5
#else
#define MAX_VOICE_SESSIONS 1
#endif
#define BASE_CALL_STATE 1
#define CALL_INACTIVE (BASE_CALL_STATE)
#define CALL_ACTIVE (BASE_CALL_STATE + 1)
#define VOICE_VSID 0x10C01000
#define AUDIO_PARAMETER_KEY_INCALLMUSIC "incall_music_enabled"
#define AUDIO_PARAMETER_VALUE_TRUE "true"
struct audio_device;
struct str_parms;
struct stream_in;
struct stream_out;
typedef int audio_usecase_t;
struct call_state {
int current;
int new;
};
struct voice_session {
struct pcm *pcm_rx;
struct pcm *pcm_tx;
struct call_state state;
uint32_t vsid;
};
struct voice {
struct voice_session session[MAX_VOICE_SESSIONS];
int tty_mode;
bool mic_mute;
float volume;
bool is_in_call;
bool in_call;
};
enum {
INCALL_REC_NONE = -1,
INCALL_REC_UPLINK,
INCALL_REC_DOWNLINK,
INCALL_REC_UPLINK_AND_DOWNLINK,
};
int voice_start_usecase(struct audio_device *adev, audio_usecase_t usecase_id);
int voice_stop_usecase(struct audio_device *adev, audio_usecase_t usecase_id);
int voice_start_call(struct audio_device *adev);
int voice_stop_call(struct audio_device *adev);
int voice_set_parameters(struct audio_device *adev, struct str_parms *parms);
void voice_get_parameters(struct audio_device *adev, struct str_parms *query,
struct str_parms *reply);
void voice_init(struct audio_device *adev);
bool voice_is_in_call(struct audio_device *adev);
bool voice_is_in_call_rec_stream(struct stream_in *in);
int voice_set_mic_mute(struct audio_device *dev, bool state);
bool voice_get_mic_mute(struct audio_device *dev);
int voice_set_volume(struct audio_device *adev, float volume);
int voice_check_and_set_incall_rec_usecase(struct audio_device *adev,
struct stream_in *in);
int voice_check_and_set_incall_music_usecase(struct audio_device *adev,
struct stream_out *out);
int voice_check_and_stop_incall_rec_usecase(struct audio_device *adev,
struct stream_in *in);
void voice_update_devices_for_all_voice_usecases(struct audio_device *adev);
#endif //VOICE_H
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