fw_audio_render.h

来自「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」· C头文件 代码 · 共 55 行

/*//////////////////////////////////////////////////////////////////////////////
//
//                  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.
//
*/

#ifdef UMC_ENABLE_FW_AUDIO_RENDER

#ifndef __FW_AUDIO_RENDER_H__
#define __FW_AUDIO_RENDER_H__

#include "umc_structures.h"
#include "basic_audio_render.h"
#include "wav_file.h"

namespace UMC
{
    class FWAudioRender :public BasicAudioRender
    {
    public:
        FWAudioRender();
        virtual ~FWAudioRender() {   Close();     }

        virtual Status      Init(MediaReceiverParams* pInit);

        virtual Status        SendFrame(MediaData* in);

        virtual Status        Pause(bool pause);

        // Render manipulating
        // 0-silence 1-max, return previous volume
        virtual float        SetVolume(float volume);
        virtual float        GetVolume();

        virtual Status        Close (void);
        virtual Status        Reset (void);

    protected:

        virtual double        GetTimeTick(void);

        WavFile               m_wav_file;
        WavFile::Info         m_wav_info;
        double              m_dfStartPTS;
        vm_tick             m_tickStartTime;
        vm_tick             m_tickPrePauseTime;
    };
};  //  namespace UMC
#endif    //    __FW_AUDIO_RENDER_H__
#endif