60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
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/*
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* Copyright 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stdint.h>
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#include <time.h>
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#include "include/hardware/bt_av.h"
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namespace bluetooth {
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namespace audio {
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namespace a2dp {
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// Audio config from audio server; PCM format for now
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struct AudioConfig {
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btav_a2dp_codec_sample_rate_t sample_rate = BTAV_A2DP_CODEC_SAMPLE_RATE_48000;
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btav_a2dp_codec_bits_per_sample_t bits_per_sample =
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BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24;
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btav_a2dp_codec_channel_mode_t channel_mode =
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BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO;
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};
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// Invoked by audio server to set audio config (PCM for now)
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bool SetAudioConfig(AudioConfig);
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// Invoked by audio server when it has audio data to stream.
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bool StartRequest();
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// Invoked by audio server when audio streaming is done.
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bool StopRequest();
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struct PresentationPosition {
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uint64_t remote_delay_report_ns;
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uint64_t total_bytes_read;
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timespec data_position;
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};
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// Invoked by audio server to check audio presentation position periodically.
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PresentationPosition GetPresentationPosition();
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bool is_opus_supported();
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} // namespace a2dp
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} // namespace audio
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} // namespace bluetooth
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