|| || || || || || || ||

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XmlVideo.h

Go to the documentation of this file.

#ifndef Impala_Core_IDash_XmlVideo_h
#define Impala_Core_IDash_XmlVideo_h

#include "Util/XmlDoc.h"
#include "Persistency/XmlFileReader.h"
#include "Link/Curl/CurlFuncs.h"
#include "Core/IDash/Href.h"

namespace Impala
{
namespace Core
{
namespace IDash
{


class XmlVideo : public Util::XmlDoc
{
public:

    XmlVideo(String href) : mHref(href)
    {
        Link::Curl::Memory mem = Link::Curl::Get(href);
        Util::IOBuffer ioBuf(mem.size, (unsigned char*) mem.data);
        ReadData(href, &ioBuf);
    }

    virtual
    ~XmlVideo()
    {
    }

    bool
    Valid() const
    {
        return mValid;
    }

    String
    GetLink() const
    {
        return mHref.AsString();
    }

    String
    GetId() const
    {
        return mId;
    }

    String
    GetCaseLink() const
    {
        return mCaseLink;
    }

    String
    GetCaseId() const
    {
        return mHref.GetCaseId();
    }

    String
    GetFileName() const
    {
        return mFileName;
    }

    bool
    IsProcessed() const
    {
        return mStatus == "Processed";
    }

    int
    GetFrames() const
    {
        return mFrames;
    }

    int
    GetShots() const
    {
        return mShots;
    }

    String
    GetShotLinkImage(int shot) const
    {
        return GetCaseLink() + "/videos/" + GetId() + "/shots/"
            + MakeString(shot) + "/PNG";
    }

    String
    GetShotLinkXml(int shot) const
    {
        return GetCaseLink() + "/videos/" + GetId() + "/shots/"
            + MakeString(shot) + "/XML";
    }

private:

    /* sample file:

<?xml version="1.0" encoding="utf-8"?>
<video xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.i-dash.eu/MetaData http://www.i-dash.eu/Schemas/MetaData/MetaData.xsd" xmlns="http://www.i-dash.eu/MetaData">
  <id>17</id>
  <entityType>Video</entityType>
  <memo />
  <case xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16" entityType="Case" />
  <fileName>1-01.mpg</fileName>
  <fileSize>358124647</fileSize>
  <fileDate>2007-07-25T08:39:47</fileDate>
  <duration>20159213445</duration>
  <containerName />
  <MD5>DFA0BCF35A89766C88BA3C498A903DB8</MD5>
  <SHA1>627C16ACC1E6F8134315B3FA68EAEC18EF92F635</SHA1>
  <videoFileStatus>Processed</videoFileStatus>
  <frames>50398</frames>
  <keyFrames>2336</keyFrames>
  <shots>296</shots>
  <framesURL xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/17/frames/" />
</video>

    */

    void
    ReadData(String docName, Util::IOBuffer* ioBuf)
    {
        mValid = false;
        Persistency::XmlFileReader reader;
        DOMDocument* doc = reader.Read(docName, ioBuf);
        if (!doc)
            return;
        DOMNode* video = GetChildNode(doc, "video", true);
        DOMNode* id = GetChildNode(video, "id", true);
        mId = GetElementValue(id);
        ILOG_DEBUG("id = " << mId);

        DOMNode* casee = GetChildNode(video, "case", true);
        mCaseLink = GetAttributeValue(casee, "xlink:href");
        ILOG_DEBUG("case = " << mCaseLink);

        DOMNode* fname = GetChildNode(video, "fileName", true);
        mFileName = GetElementValue(fname);
        ILOG_DEBUG("fileName = " << mFileName);

        DOMNode* status = GetChildNode(video, "videoFileStatus", true);
        mStatus = GetElementValue(status);
        ILOG_DEBUG("status = " << mStatus);

        DOMNode* shot = GetChildNode(video, "shots", true);
        mShots = Impala::atol(GetElementValue(shot));
        ILOG_DEBUG("shots = " << mShots);

        DOMNode* frame = GetChildNode(video, "frames", true);
        mFrames = Impala::atol(GetElementValue(frame));
        ILOG_DEBUG("frames = " << mFrames);
        mValid = true;
    }

    // data

    Href   mHref;
    String mId;
    String mCaseLink;
    String mFileName;
    String mStatus;
    int    mFrames;
    int    mShots;
    bool   mValid;

    ILOG_VAR_DEC;

};

ILOG_VAR_INIT(XmlVideo, Impala.Core.IDash);

} // namespace IDash
} // namespace Core
} // namespace Impala

#endif

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