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/*
* (C) 2003-2006 Gabest
* (C) 2006-2013, 2017 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
#include "StreamSwitcher.h"
#define AudioSwitcherName L"MPC-HC AudioSwitcher"
#define AS_MAX_CHANNELS 18
interface __declspec(uuid("CEDB2890-53AE-4231-91A3-B0AAFCD1DBDE"))
IAudioSwitcherFilter :
public IUnknown
{
STDMETHOD(GetInputSpeakerConfig)(DWORD* pdwChannelMask) PURE;
STDMETHOD(GetSpeakerConfig)(bool* pfCustomChannelMapping, DWORD pSpeakerToChannelMap[AS_MAX_CHANNELS][AS_MAX_CHANNELS]) PURE;
STDMETHOD(SetSpeakerConfig)(bool fCustomChannelMapping, DWORD pSpeakerToChannelMap[AS_MAX_CHANNELS][AS_MAX_CHANNELS]) PURE;
STDMETHOD_(int, GetNumberOfInputChannels)() PURE;
STDMETHOD_(bool, IsDownSamplingTo441Enabled)() PURE;
STDMETHOD(EnableDownSamplingTo441)(bool fEnable) PURE;
STDMETHOD_(REFERENCE_TIME, GetAudioTimeShift)() PURE;
STDMETHOD(SetAudioTimeShift)(REFERENCE_TIME rtAudioTimeShift) PURE;
// Deprecated
STDMETHOD(GetNormalizeBoost)(bool& fNormalize, bool& fNormalizeRecover, float& boost_dB) PURE;
// Deprecated
STDMETHOD(SetNormalizeBoost)(bool fNormalize, bool fNormalizeRecover, float boost_dB) PURE;
STDMETHOD(GetNormalizeBoost2)(bool& fNormalize, UINT& nMaxNormFactor, bool& fNormalizeRecover, UINT& nBoost) PURE;
STDMETHOD(SetNormalizeBoost2)(bool fNormalize, UINT nMaxNormFactor, bool fNormalizeRecover, UINT nBoost) PURE;
};
class AudioStreamResampler;
class __declspec(uuid("18C16B08-6497-420e-AD14-22D21C2CEAB7"))
CAudioSwitcherFilter : public CStreamSwitcherFilter, public IAudioSwitcherFilter
{
struct ChMap {
DWORD Speaker, Channel;
};
CAtlArray<ChMap> m_chs[AS_MAX_CHANNELS];
bool m_fCustomChannelMapping;
DWORD m_pSpeakerToChannelMap[AS_MAX_CHANNELS][AS_MAX_CHANNELS];
bool m_fDownSampleTo441;
REFERENCE_TIME m_rtAudioTimeShift;
CAutoPtrArray<AudioStreamResampler> m_pResamplers;
bool m_fNormalize, m_fNormalizeRecover;
double m_nMaxNormFactor, m_boostFactor;
double m_normalizeFactor;
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[AS_MAX_CHANNELS][AS_MAX_CHANNELS]);
STDMETHODIMP SetSpeakerConfig(bool fCustomChannelMapping, DWORD pSpeakerToChannelMap[AS_MAX_CHANNELS][AS_MAX_CHANNELS]);
STDMETHODIMP_(int) GetNumberOfInputChannels();
STDMETHODIMP_(bool) IsDownSamplingTo441Enabled();
STDMETHODIMP EnableDownSamplingTo441(bool fEnable);
STDMETHODIMP_(REFERENCE_TIME) GetAudioTimeShift();
STDMETHODIMP SetAudioTimeShift(REFERENCE_TIME rtAudioTimeShift);
// Deprecated
STDMETHODIMP GetNormalizeBoost(bool& fNormalize, bool& fNormalizeRecover, float& boost_dB);
// Deprecated
STDMETHODIMP SetNormalizeBoost(bool fNormalize, bool fNormalizeRecover, float boost_dB);
STDMETHODIMP GetNormalizeBoost2(bool& fNormalize, UINT& nMaxNormFactor, bool& fNormalizeRecover, UINT& nBoost);
STDMETHODIMP SetNormalizeBoost2(bool fNormalize, UINT nMaxNormFactor, bool fNormalizeRecover, UINT nBoost);
// IAMStreamSelect
STDMETHODIMP Enable(long lIndex, DWORD dwFlags);
};
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