dv_il_audio.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*//////////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#ifndef __DV_INTERLIEVED_AUDIO_H__
#define __DV_INTERLIEVED_AUDIO_H__

#include "umc_structures.h"
#include "umc_avi_types.h"

namespace NDVAudioIL {

    struct DV_AAUX_PACK
    {
        vm_var32 AFrameSize:6;
        vm_var32 Reserved1:1;
        vm_var32 Locked:1;
        vm_var32 AudioMode:4;
        vm_var32 Pair:1;
        vm_var32 Channels:2;
        vm_var32 Stereo:1;
        vm_var32 SysType:5;
        vm_var32 Fmt_50_60:1;
        vm_var32 ML:1;
        vm_var32 Reserved2:1;
        vm_var32 QU:3;
        vm_var32 SamplingFreq:3;
        vm_var32 TC:1;
        vm_var32 EF:1;
    };

    struct DV_AAUX
    {
        vm_var32 uiID;
        DV_AAUX_PACK pack;
    };


    UMC::Status
    GetDVAudioSize(vm_byte* pucDVFrame,
                     vm_var32 uiDVFrameSize,
                     vm_var32& ruiFrameAudioDataSize,
                     vm_var32& ruiBitsPerSample,
                     bool& rb625);
    UMC::Status
    GetDVAudioFormat(vm_byte* pucDVFrame,
                     vm_var32 uiDVFrameSize,
                     UMC::sAudioStreamInfo& rAudioInfo);
    UMC::Status
    ExtractDVAudio(vm_byte* pucDVFrame,
                    vm_var32 uiFrameSize,
                    vm_byte* pucAudioBuf,
                    vm_var32 uiAudioBufSize,
                    vm_var32& ruiReturnSize);
}

#endif    //     __DV_INTERLIEVED_AUDIO_H__