blob: 56ad6a2ceac7197cdd31ae698e3947fce61677af (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
// Copyright (C) 2020 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 <memory>
// clang-format off
#include PATH(android/hardware/audio/FILE_VERSION/types.h)
#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
// clang-format on
#include "public/audio_proxy.h"
namespace audio_proxy {
namespace CPP_VERSION {
using ::android::hardware::hidl_bitfield;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
// C++ friendly wrapper of audio_proxy_stream_out. It handles type conversion
// between C type and hidl type.
class AudioProxyStreamOut final {
public:
AudioProxyStreamOut(audio_proxy_stream_out_t* stream,
audio_proxy_device_t* device);
~AudioProxyStreamOut();
size_t getBufferSize() const;
uint64_t getFrameCount() const;
hidl_vec<uint32_t> getSupportedSampleRates(AudioFormat format) const;
uint32_t getSampleRate() const;
Result setSampleRate(uint32_t rate);
hidl_vec<hidl_bitfield<AudioChannelMask>> getSupportedChannelMasks(
AudioFormat format) const;
hidl_bitfield<AudioChannelMask> getChannelMask() const;
Result setChannelMask(hidl_bitfield<AudioChannelMask> mask);
hidl_vec<AudioFormat> getSupportedFormats() const;
AudioFormat getFormat() const;
Result setFormat(AudioFormat format);
Result standby();
Result setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters);
hidl_vec<ParameterValue> getParameters(
const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys) const;
uint32_t getLatency() const;
ssize_t write(const void* buffer, size_t bytes);
Result getRenderPosition(uint32_t* dsp_frames) const;
Result getNextWriteTimestamp(int64_t* timestamp) const;
Result getPresentationPosition(uint64_t* frames, TimeSpec* timestamp) const;
Result pause();
Result resume();
bool supportsDrain() const;
Result drain(AudioDrain type);
Result flush();
Result setVolume(float left, float right);
private:
audio_proxy_stream_out_t* const mStream;
audio_proxy_device_t* const mDevice;
};
} // namespace CPP_VERSION
} // namespace audio_proxy
|
