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
91
92
93
94
|
/*
* $Id$
*
* (C) 2003-2006 Gabest
* (C) 2006-2012 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#define AudioSwitcherName L"MPC AudioSwitcher"
#include "StreamSwitcher.h"
interface __declspec(uuid("CEDB2890-53AE-4231-91A3-B0AAFCD1DBDE"))
IAudioSwitcherFilter :
public IUnknown {
STDMETHOD(GetInputSpeakerConfig) (DWORD* pdwChannelMask) = 0;
STDMETHOD(GetSpeakerConfig) (bool* pfCustomChannelMapping, DWORD pSpeakerToChannelMap[18][18]) = 0;
STDMETHOD(SetSpeakerConfig) (bool fCustomChannelMapping, DWORD pSpeakerToChannelMap[18][18]) = 0;
STDMETHOD_(int, GetNumberOfInputChannels) () = 0;
STDMETHOD_(bool, IsDownSamplingTo441Enabled) () = 0;
STDMETHOD(EnableDownSamplingTo441) (bool fEnable) = 0;
STDMETHOD_(REFERENCE_TIME, GetAudioTimeShift) () = 0;
STDMETHOD(SetAudioTimeShift) (REFERENCE_TIME rtAudioTimeShift) = 0;
STDMETHOD(GetNormalizeBoost) (bool& fNormalize, bool& fNormalizeRecover, float& boost) = 0;
STDMETHOD(SetNormalizeBoost) (bool fNormalize, bool fNormalizeRecover, float boost) = 0;
};
class AudioStreamResampler;
class __declspec(uuid("18C16B08-6497-420e-AD14-22D21C2CEAB7"))
CAudioSwitcherFilter : public CStreamSwitcherFilter, public IAudioSwitcherFilter
{
typedef struct {
DWORD Speaker, Channel;
} ChMap;
CAtlArray<ChMap> m_chs[18];
bool m_fCustomChannelMapping;
DWORD m_pSpeakerToChannelMap[18][18];
bool m_fDownSampleTo441;
REFERENCE_TIME m_rtAudioTimeShift;
CAutoPtrArray<AudioStreamResampler> m_pResamplers;
double m_sample_max;
bool m_fNormalize, m_fNormalizeRecover;
float m_boost_mul;
REFERENCE_TIME m_rtNextStart, m_rtNextStop;
public:
CAudioSwitcherFilter(LPUNKNOWN lpunk, HRESULT* phr);
DECLARE_IUNKNOWN
STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);
HRESULT CheckMediaType(const CMediaType* pmt);
HRESULT Transform(IMediaSample* pIn, IMediaSample* pOut);
CMediaType CreateNewOutputMediaType(CMediaType mt, long& cbBuffer);
void OnNewOutputMediaType(const CMediaType& mtIn, const CMediaType& mtOut);
HRESULT DeliverEndFlush();
HRESULT DeliverNewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
// IAudioSwitcherFilter
STDMETHODIMP GetInputSpeakerConfig(DWORD* pdwChannelMask);
STDMETHODIMP GetSpeakerConfig(bool* pfCustomChannelMapping, DWORD pSpeakerToChannelMap[18][18]);
STDMETHODIMP SetSpeakerConfig(bool fCustomChannelMapping, DWORD pSpeakerToChannelMap[18][18]);
STDMETHODIMP_(int) GetNumberOfInputChannels();
STDMETHODIMP_(bool) IsDownSamplingTo441Enabled();
STDMETHODIMP EnableDownSamplingTo441(bool fEnable);
STDMETHODIMP_(REFERENCE_TIME) GetAudioTimeShift();
STDMETHODIMP SetAudioTimeShift(REFERENCE_TIME rtAudioTimeShift);
STDMETHODIMP GetNormalizeBoost(bool& fNormalize, bool& fNormalizeRecover, float& boost);
STDMETHODIMP SetNormalizeBoost(bool fNormalize, bool fNormalizeRecover, float boost);
// IAMStreamSelect
STDMETHODIMP Enable(long lIndex, DWORD dwFlags);
};
|