MediaInfo Class Reference

#include <MediaInfo.h>

Inheritance diagram for MediaInfo:

Public Member Functions
	MediaInfo (const String &_filename) __DCL_THROWS2(DllException *
IOException *	~MediaInfo ()
String	inform () const
String	inform_r () const
String	option (const wchar_t *_option, const wchar_t *_value=NULL) const
String	format () const
uint64_t	fileSize () const
unsigned	videoCount () const
unsigned	audioCount () const
unsigned	imageCount () const
String	videoFormat (size_t streamNumber) const
unsigned	videoWidth (size_t streamNumber) const
unsigned	videoHeight (size_t streamNumber) const
uint64_t	videoDuration (size_t streamNumber) const
uint32_t	videoDurationAsSeconds (size_t streamNumber) const
unsigned	videoBitRate (size_t streamNumber) const
unsigned	videoBitRateMinimum (size_t streamNumber) const
unsigned	videoBitRateMaximum (size_t streamNumber) const
String	audioFormat (size_t streamNumber) const
uint64_t	audioDuration (size_t streamNumber) const
uint32_t	audioDurationAsSeconds (size_t streamNumber) const
unsigned	audioBitRate (size_t streamNumber) const
unsigned	audioBitRateMinimum (size_t streamNumber) const
unsigned	audioBitRateMaximum (size_t streamNumber) const
String	imageFormat (size_t streamNumber) const
unsigned	imageWidth (size_t streamNumber) const
unsigned	imageHeight (size_t streamNumber) const
String	contentType () const
Public Member Functions inherited from Object
virtual String	toString () const
virtual void	destroy ()
String	className () const
bool	isInstanceOf (const std::type_info &typeinfo) const
virtual const std::type_info &	typeInfo () const

Static Public Member Functions
static void	initialize () __DCL_THROWS1(DllException *)
static void	cleanup ()

Additional Inherited Members
Protected Member Functions inherited from Object
virtual	~Object ()
	Object ()

Detailed Description

Definition at line 13 of file MediaInfo.h.

Constructor & Destructor Documentation

MediaInfo()

MediaInfo::MediaInfo

(

const String &

_filename

)

~MediaInfo()

MediaInfo::~MediaInfo

(

)

Definition at line 76 of file MediaInfo.cpp.

{
    MediaInfo_Close(__handle);
    MediaInfo_Delete(__handle);
}

Member Function Documentation

audioBitRate()

unsigned MediaInfo::audioBitRate

(

size_t

streamNumber

)

const

Definition at line 233 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Audio, streamNumber, L"BitRate",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

audioBitRateMaximum()

unsigned MediaInfo::audioBitRateMaximum

(

size_t

streamNumber

)

const

Definition at line 251 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Audio, streamNumber, L"BitRate_Maxmum",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

audioBitRateMinimum()

unsigned MediaInfo::audioBitRateMinimum

(

size_t

streamNumber

)

const

Definition at line 242 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Audio, streamNumber, L"BitRate_Minimum",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

audioCount()

unsigned MediaInfo::audioCount

(

)

const

Definition at line 128 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_General, 0, L"AudioCount",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LU
    );
}

audioDuration()

uint64_t MediaInfo::audioDuration

(

size_t

streamNumber

)

const

Definition at line 219 of file MediaInfo.cpp.

{
    return UInt64::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Audio, streamNumber, L"Duration",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

audioDurationAsSeconds()

uint32_t MediaInfo::audioDurationAsSeconds

(

size_t

streamNumber

)

const

Definition at line 228 of file MediaInfo.cpp.

{
    return (uint32_t) (audioDuration(streamNumber) / 1000);
}

audioFormat()

String MediaInfo::audioFormat

(

size_t

streamNumber

)

const

Definition at line 212 of file MediaInfo.cpp.

{
    return MediaInfo_Get(__handle, MediaInfo_Stream_Audio, streamNumber, L"Format",
        MediaInfo_Info_Text, MediaInfo_Info_Name);
}

cleanup()

void MediaInfo::cleanup ( )

static

Definition at line 55 of file MediaInfo.cpp.

{
    if (MediaInfo_Module) {
        MediaInfoDLL_UnLoad();
    }
}

contentType()

String MediaInfo::contentType

(

)

const

Definition at line 297 of file MediaInfo.cpp.

{
    if (imageCount() > 0) {
        return L"image/" + format().toLowerCase();
    }
 
    String format = this->format();
    const wchar_t* type = NULL;
    for (size_t i = 0; i < __countof(__formatToType__, wchar_t*);
        i++, i++) {
        if (format.compareNoCase(__formatToType__[i]) == 0) {
            type = __formatToType__[i + 1];
            break;
        }
    }
 
    StringBuilder r;
    if (type != NULL) {
        if (videoCount() > 0) {
            r = L"video/";
        }
        else if (audioCount() > 0) {
            r = L"audio/";
        }
        else {
            r = L"application/";
        }
        r += type;
    }
    else {
        r = L"application/octet-stream";
    }
    return r;
}

fileSize()

uint64_t MediaInfo::fileSize

(

)

const

Definition at line 110 of file MediaInfo.cpp.

{
    return UInt64::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_General, 0, L"FileSize",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

format()

String MediaInfo::format

(

)

const

Definition at line 104 of file MediaInfo.cpp.

{
    return MediaInfo_Get(__handle, MediaInfo_Stream_General, 0, L"Format",
        MediaInfo_Info_Text, MediaInfo_Info_Name);
}

imageCount()

unsigned MediaInfo::imageCount

(

)

const

Definition at line 137 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_General, 0, L"ImageCount",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LU
    );
}

imageFormat()

String MediaInfo::imageFormat

(

size_t

streamNumber

)

const

Definition at line 260 of file MediaInfo.cpp.

{
    return MediaInfo_Get(__handle, MediaInfo_Stream_Image, streamNumber, L"Format",
        MediaInfo_Info_Text, MediaInfo_Info_Name);
}

imageHeight()

unsigned MediaInfo::imageHeight

(

size_t

streamNumber

)

const

Definition at line 275 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Image, streamNumber, L"Height",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

imageWidth()

unsigned MediaInfo::imageWidth

(

size_t

streamNumber

)

const

Definition at line 266 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Image, streamNumber, L"Width",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

inform()

String MediaInfo::inform

(

)

const

Definition at line 82 of file MediaInfo.cpp.

{
    String r = MediaInfo_Inform(__handle, 0);
    return r;
}

inform_r()

String MediaInfo::inform_r

(

)

const

Definition at line 88 of file MediaInfo.cpp.

{
    return inform().replace_r(L"[ \t]{2,}", L" ", true)
        .replace_r(L" :", L":", true)
        .replace_r(L"\r\n", L"\n", true)
        .replace_r(L"Complete name[^\n]+\n", L"", true)
        .trim();
}

initialize()

void MediaInfo::initialize ( )

static

Definition at line 39 of file MediaInfo.cpp.

{
    if (!MediaInfo_Module) {
        MediaInfoDLL_Load();
    }
    if (!MediaInfo_Module) {
#if __DCL_WINDOWS
        throw new DllException(MEDIAINFODLL_NAME, WINAPI_ERROR(GetLastError()));
#else
        String msg;
        __DCL_VERIFY(__dlerror(msg) == 0);
        throw new DllException(L"" MEDIAINFODLL_NAME, msg);
#endif
    };
}

option()

String MediaInfo::option	(	const wchar_t *	_option,
		const wchar_t *	_value = NULL ) const

Definition at line 97 of file MediaInfo.cpp.

{
    __DCL_ASSERT(_option != NULL);
    String r = MediaInfo_Option(__handle, _option, _value ? _value : L"");
    return r;
}

videoBitRate()

unsigned MediaInfo::videoBitRate

(

size_t

streamNumber

)

const

Definition at line 185 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Video, streamNumber, L"BitRate",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

videoBitRateMaximum()

unsigned MediaInfo::videoBitRateMaximum

(

size_t

streamNumber

)

const

Definition at line 203 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Video, streamNumber, L"BitRate_Maxmum",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

videoBitRateMinimum()

unsigned MediaInfo::videoBitRateMinimum

(

size_t

streamNumber

)

const

Definition at line 194 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Video, streamNumber, L"BitRate_Minimum",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

videoCount()

unsigned MediaInfo::videoCount

(

)

const

Definition at line 119 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_General, 0, L"VideoCount",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LU
    );
}

videoDuration()

uint64_t MediaInfo::videoDuration

(

size_t

streamNumber

)

const

Definition at line 171 of file MediaInfo.cpp.

{
    return UInt64::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Video, streamNumber, L"Duration",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

videoDurationAsSeconds()

uint32_t MediaInfo::videoDurationAsSeconds

(

size_t

streamNumber

)

const

Definition at line 180 of file MediaInfo.cpp.

{
    return (uint32_t) (videoDuration(streamNumber) / 1000);
}

videoFormat()

String MediaInfo::videoFormat

(

size_t

streamNumber

)

const

Definition at line 146 of file MediaInfo.cpp.

{
    return MediaInfo_Get(__handle, MediaInfo_Stream_Video, streamNumber, L"Format",
            MediaInfo_Info_Text, MediaInfo_Info_Name);
}

videoHeight()

unsigned MediaInfo::videoHeight

(

size_t

streamNumber

)

const

Definition at line 161 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Video, streamNumber, L"Height",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

videoWidth()

unsigned MediaInfo::videoWidth

(

size_t

streamNumber

)

const

Definition at line 152 of file MediaInfo.cpp.

{
    return UInt32::parse(
        MediaInfo_Get(__handle, MediaInfo_Stream_Video, streamNumber, L"Width",
            MediaInfo_Info_Text, MediaInfo_Info_Name),
        10, 0LLU
    );
}

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The documentation for this class was generated from the following files:

• MediaInfo.h
• MediaInfo.cpp