mobile_video_render.cpp

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.
//
*/

#include "mobile_video_render.h"
#include "umc_video_data.h"

namespace UMC
{

MobileVideoRender::MobileVideoRender() :
    m_dfFrameTime(0.0),
    m_bStopFlag(false)
{

} // MobileVideoRender::MobileVideoRender() :

Status MobileVideoRender::Init(MediaReceiverParams* pInit)
{
    Status umcRes = UMC_OK;
    if (UMC_OK == umcRes)
        umcRes = m_ReadySema.Init(1);
    if (UMC_OK == umcRes)
        umcRes = m_DoneSema.Init(0);
    m_bStopFlag = false;
    m_dfFrameTime = 0.0;

    return umcRes;

} // Status MobileVideoRender::Init(MediaReceiverParams* pInit)

int MobileVideoRender::ReserveBuffer(unsigned char** ppucVidMem)
{
    int iRes = 1;
    VideoData Data;

    if (UMC_OK == LockInputBuffer(&Data))
    {
        iRes = Data.m_lPitch[0];
        if (NULL != ppucVidMem)
            *ppucVidMem = Data.m_lpDest[0];
    }

    return iRes;

} // int MobileVideoRender::ReserveBuffer(unsigned char** ppucVidMem)

Status MobileVideoRender::BufferReserved(double frame_time, FrameType frame_type)
{
    VideoData VideoData;
    VideoData.SetFrameType(frame_type);
    VideoData.SetTime(frame_time);

    return UnLockInputBuffer(&VideoData);

} // Status MobileVideoRender::BufferReserved(double frame_time, FrameType frame_type)

Status MobileVideoRender::Stop()
{
    m_bStopFlag = true;
    m_dfFrameTime = -1.0;
    m_DoneSema.Signal();
    m_ReadySema.Signal();
    return UMC_OK;

} // Status MobileVideoRender::Stop()

void MobileVideoRender::BufferEndOfClip()
{
    Stop();

} // void MobileVideoRender::BufferEndOfClip()

double MobileVideoRender::GetRenderFrame()
{
    while (!m_bStopFlag && UMC_TIMEOUT == m_DoneSema.Wait(100))
    {
        if (m_bStopFlag || (m_dfFrameTime == -1.0))
            return -1.0;
    }
    return m_dfFrameTime;

} // double MobileVideoRender::GetRenderFrame()

Status MobileVideoRender::RenderFrame()
{
    return m_ReadySema.Signal();

} // Status MobileVideoRender::RenderFrame()

// Set/Reset full screen playback
Status MobileVideoRender::SetFullScreen(ModuleContext& /*rContext*/, bool full)
{
    return UMC_NOT_IMPLEMENTED;

} // Status MobileVideoRender::SetFullScreen(ModuleContext &, bool full)

// Resize the display rectangular
Status MobileVideoRender::ResizeDisplay(UMC::RECT &disp, UMC::RECT &range)
{
    return UMC_NOT_IMPLEMENTED;

} // Status MobileVideoRender::ResizeDisplay(UMC::RECT &disp, UMC::RECT &range)

// Show/Hide Surface
void MobileVideoRender::ShowSurface()
{

} // void MobileVideoRender::ShowSurface()

void MobileVideoRender::HideSurface()
{

} // void MobileVideoRender::HideSurface()

} // namespace UMC