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/*
* 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 <stdint.h>
#include <time.h>
#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.
bool StartRequest();
// Invoked by audio server when audio streaming is done.
bool StopRequest();
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();
} // namespace a2dp
} // namespace audio
} // namespace bluetooth
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