umc_mp4_spl.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) 2004-2005 Intel Corporation. All Rights Reserved.
//
*/
#include "umc_mp4_spl.h"
#include "umc_mp4_spl_int.h"

#include "umc_malloc.h"

namespace UMC
{

MP4Splitter::~MP4Splitter()
{
    Close();
}

Status MP4Splitter::Init(SplitterParams& init)
{
    SplitterMP4 *p_spl1;

    p_spl1 = new SplitterMP4;
    if ( p_spl1 ) {
        Status hr = p_spl1->Init(init);
        p_spl = p_spl1;
        return hr;
    } else {
        return UMC_ALLOC;
    }
}

Status MP4Splitter::Close()
{
    if ( p_spl ) {
        p_spl->Close();

        delete p_spl;
        p_spl = NULL;
    } else {
        return UMC_NOT_INITIALIZED;
    }

    return UMC_OK;
}

Status MP4Splitter::Stop()
{
    return Close();
}

Status MP4Splitter::GetNextVideoData (MediaData* data, vm_var32 track_idx)
{
    if ( p_spl ) {
        if ( p_spl->m_splitter_flags_real == VIDEO_SPLITTER || p_spl->m_splitter_flags_real == AV_SPLITTER ) {
            return p_spl->GetNextVideoData(data, track_idx);
        } else {
            return UMC_BAD_STREAM;
        }
    } else {
        return UMC_NOT_INITIALIZED;
    }
}

Status MP4Splitter::GetNextAudioData (MediaData* data, vm_var32 track_idx)
{
    if ( p_spl ) {
        if ( p_spl->m_splitter_flags_real == AUDIO_SPLITTER || p_spl->m_splitter_flags_real == AV_SPLITTER ) {
            return p_spl->GetNextAudioData(data, track_idx);
        } else {
            return UMC_BAD_STREAM;
        }
    } else {
        return UMC_NOT_INITIALIZED;
    }
}

Status MP4Splitter::SetPosition (double pos)
{
    if ( p_spl ) {
        return p_spl->SetPosition(pos);
    } else {
        return UMC_NOT_INITIALIZED;
    }
}

sInfo_sample MP4Splitter::GetSamplePositionAudio(vm_var32 track_idx, vm_var32 nsample)
{
    if ( p_spl ) {
        return p_spl->GetSamplePositionAudio(track_idx, nsample);
    } else {
        sInfo_sample temp;
        temp.position = -1;
        temp.size = -1;
        return temp;
    }
}

sInfo_sample MP4Splitter::GetSamplePositionVideo(vm_var32 track_idx, vm_var32 nsample)
{
    if ( p_spl ) {
        return p_spl->GetSamplePositionVideo(track_idx, nsample);
    } else {
        sInfo_sample temp;
        temp.position = -1;
        temp.size = -1;
        return temp;
    }
}

Status MP4Splitter::GetPosition (double& pos)
{
    if ( p_spl ) {
        return p_spl->GetPosition(pos);
    } else {
        return UMC_NOT_INITIALIZED;
    }
}

Status MP4Splitter::GetInfo (SplitterInfo* info)
{
    if ( p_spl ) {
        return p_spl->GetInfo(info);
    } else {
        return UMC_NOT_INITIALIZED;
    }
}

}    // namespace UMC