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
|
/*
* Copyright (C) 2011-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "threads/Event.h"
#include <list>
#include <vector>
#include <CoreAudio/CoreAudio.h>
#include <IOKit/audio/IOAudioTypes.h>
typedef std::vector<AudioStreamID> AudioStreamIdList;
typedef std::vector<AudioStreamRangedDescription> StreamFormatList;
class CCoreAudioStream
{
public:
CCoreAudioStream();
virtual ~CCoreAudioStream();
bool Open(AudioStreamID streamId);
void Close(bool restore = true);
AudioStreamID GetId() const {return m_StreamId;}
UInt32 GetDirection();
static UInt32 GetTerminalType(AudioStreamID id);
UInt32 GetNumLatencyFrames();
bool GetVirtualFormat(AudioStreamBasicDescription *pDesc);
bool GetPhysicalFormat(AudioStreamBasicDescription *pDesc);
bool SetVirtualFormat(AudioStreamBasicDescription *pDesc);
bool SetPhysicalFormat(AudioStreamBasicDescription *pDesc);
bool GetAvailableVirtualFormats(StreamFormatList *pList);
bool GetAvailablePhysicalFormats(StreamFormatList *pList);
static bool GetAvailableVirtualFormats(AudioStreamID id, StreamFormatList *pList);
static bool GetAvailablePhysicalFormats(AudioStreamID id, StreamFormatList *pList);
static bool IsDigitalOutput(AudioStreamID id);
static bool GetStartingChannelInDevice(AudioStreamID id, UInt32 &startingChannel);
protected:
static OSStatus HardwareStreamListener(AudioObjectID inObjectID,
UInt32 inNumberAddresses, const AudioObjectPropertyAddress inAddresses[], void* inClientData);
CEvent m_virtual_format_event;
CEvent m_physical_format_event;
AudioStreamID m_StreamId = 0;
AudioStreamBasicDescription m_OriginalVirtualFormat;
AudioStreamBasicDescription m_OriginalPhysicalFormat;
};
|
