90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
#ifndef NULLSOFT_WMINFORMATIONH
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#define NULLSOFT_WMINFORMATIONH
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#include <wmsdk.h>
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#include "WMCallback.h"
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class WMInformation : public WMHandler
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{
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public:
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WMInformation(const wchar_t *fileName, bool noBlock=false);
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WMInformation(IWMReader *reader);
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//WMInformation(IWMSyncReader *reader);
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WMInformation(IWMMetadataEditor *_editor);
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//WMInformation();
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bool ErrorOpening()
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{
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return openError;
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} // TODO: benski> this is only valid for WMInformation(const wchar_t *fileName, bool noBlock=false)!!!
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virtual ~WMInformation();
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bool MakeWritable(const wchar_t *fileName);
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bool NonWritable();
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bool MakeReadOnly(const wchar_t *fileName);
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bool Flush();
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bool IsSeekable();
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long GetLengthMilliseconds();
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long GetBitrate();
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WORD GetNumberAttributes();
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void ClearAllAttributes();
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bool IsAttribute(const wchar_t attrName[]); // false might mean "attribute not found", see IsNotAttribute
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bool IsNotAttribute(const wchar_t attrName[]); // false might mean "attribute not found", see IsAttribute
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void GetAttribute(WORD index, wchar_t *attrName, size_t attrLen, wchar_t *valueStr, size_t valueStrLen);
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void GetAttribute(const wchar_t attrName[], wchar_t *valueStr, size_t len);
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void SetAttribute(const wchar_t *attrName, wchar_t *value, WMT_ATTR_DATATYPE defaultType = WMT_TYPE_STRING);
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void DeleteAttribute(const wchar_t *attrName);
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bool GetAttributeSize(const wchar_t *attrName, size_t &size);
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void LicenseRequired()
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{
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First().OpenFailed();
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}
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void SetAttribute_BinString(const wchar_t *attrName, wchar_t *value);
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void GetAttribute_BinString(const wchar_t attrName[], wchar_t *valueStr, size_t len);
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void DeleteUserText(const wchar_t *description);
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void SetUserText(const wchar_t *description, const wchar_t *valueStr);
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bool GetCodecName(wchar_t *storage, size_t len);
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bool GetPicture(void **data, size_t *len, wchar_t **mimeType, int type);
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bool SetPicture(void *data, size_t len, const wchar_t *mimeType, int type);
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bool DeletePicture(int type);
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bool HasPicture(int type);
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private:
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bool GetDataType(const wchar_t *name, WMT_ATTR_DATATYPE &type);
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long GetLongAttr(const wchar_t name[]);
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bool GetBoolAttr(const wchar_t name[]);
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DWORD GetDWORDAttr(const wchar_t name[]);
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struct IWMMetadataEditor *editor;
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struct IWMMetadataEditor2 *editor2;
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struct IWMHeaderInfo *header;
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struct IWMHeaderInfo2 *header2;
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struct IWMHeaderInfo3 *header3;
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struct IWMReader *reader;
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WMCallback callback;
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HANDLE hEvent;
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bool openError;
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void NeedsIndividualization()
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{
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First().OpenFailed();
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}
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void Opened()
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{
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openError=false;
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SetEvent(hEvent);
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}
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void OpenFailed()
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{
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openError=true;
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SetEvent(hEvent);
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}
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void Error()
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{
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openError=true;
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SetEvent(hEvent);
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}
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};
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#endif
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