/* * Copyright 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. */ #pragma once #include #include #include "include/hardware/bt_av.h" namespace bluetooth { namespace audio { namespace a2dp { // Audio config from audio server; PCM format for now struct AudioConfig { btav_a2dp_codec_sample_rate_t sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_48000; btav_a2dp_codec_bits_per_sample_t bits_per_sample = BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24; btav_a2dp_codec_channel_mode_t channel_mode = BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO; }; // Invoked by audio server to set audio config (PCM for now) bool SetAudioConfig(AudioConfig); // Invoked by audio server when it has audio data to stream. // Returns whether the start request has been made successfully. bool StartRequest(); // Invoked by audio server when audio streaming is done. bool StopRequest(); // Invoked by audio server when audio streaming is suspended. bool SuspendRequest(); struct PresentationPosition { uint64_t remote_delay_report_ns; uint64_t total_bytes_read; timespec data_position; }; // Invoked by audio server to check audio presentation position periodically. PresentationPosition GetPresentationPosition(); bool is_opus_supported(); } // namespace a2dp } // namespace audio } // namespace bluetooth