audio/audio_forwarder.h

// Copyright (C) 2021 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.
#include "audio/audio.h"

typedef SWVoiceIn *(*audio_forwarder_set_voice_cb)(SWVoiceIn *voice);
typedef SWVoiceIn *(*audio_forwarder_get_voice_cb)();

void audio_forwarder_register_card(audio_forwarder_set_voice_cb set,
                                   audio_forwarder_get_voice_cb get);

typedef int (*audio_forwarder_read_available)(void* opaque);
// Note, the audio_capture_ops struct should provide the
// capture function that will be called whenever a new sample
// is being requested.
//
// Only one forwarder can be active.
int audio_forwarder_enable(const struct audsettings* as,
                           struct audio_capture_ops* ops,
                           audio_forwarder_read_available available_fn,
                           void* opaque);
void audio_forwarder_disable();