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/* Copyright (C) 2013 Mamadou DIOP
* Copyright (C) 2013 Doubango Telecom <http://www.doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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.
*
* DOUBANGO 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 DOUBANGO.
*/
#ifndef PLUGIN_AUDIO_DSP_UTILS_H
#define PLUGIN_AUDIO_DSP_UTILS_H
#include "plugin_audio_dsp_config.h"
#include <Windows.h>
#include <mfidl.h>
#undef CHECK_HR
// In CHECK_HR(x) When (x) is a function it will be executed twice when used in "TSK_DEBUG_ERROR(x)" and "If(x)"
#define CHECK_HR(x) { HRESULT __hr__ = (x); if (FAILED(__hr__)) { TSK_DEBUG_ERROR("Operation Failed (%08x)", __hr__); goto bail; } }
#if !defined(PLUGIN_AUDIO_DSP_MILLIS_TO_100NS)
# define PLUGIN_AUDIO_DSP_MILLIS_TO_100NS(MILLIS) (((LONGLONG)(MILLIS)) * 10000ui64)
#endif
#undef SafeRelease
#define SafeRelease(ppT) \
{ \
if (*ppT) \
{ \
(*ppT)->Release(); \
*ppT = NULL; \
} \
}
class AudioDSPUtils
{
public:
static HRESULT Startup();
static HRESULT Shutdown();
static HRESULT CreatePCMAudioType(
UINT32 sampleRate, // Samples per second
UINT32 bitsPerSample, // Bits per sample
UINT32 cChannels, // Number of channels
IMFMediaType **ppType // Receives a pointer to the media type.
);
static HRESULT CreateMediaSample(
DWORD cbData, // Maximum buffer size
IMFSample **ppSample // Receives the sample
);
static HRESULT MoInitMediaType(
UINT32 sampleRate, // Samples per second
UINT32 bitsPerSample, // Bits per sample
UINT32 cChannels, // Number of channels
DMO_MEDIA_TYPE *pType // The media type to initialize. Must be freed using MoFreeMediaType.
);
private:
static bool g_bStarted;
};
#endif /* PLUGIN_AUDIO_DSP_UTILS_H */
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