Appendix > APPENDIX B - Guidelines for DirectShow configuration through K-Lite

The SoundInfo2 class is used in conjunction with the ReadSoundInfo2 method in order to obtain information about a loaded song and is implemented through the following properties

Property name

Property type

Meaning

nChannels

UInt32

The number of channels in the loaded song:

Value	Meaning

1	Mono
2	Stereo
4	Quadraphonic
6	5.1 Surround
8	7.1 Surround

nFileType

enumFileTypes

The format of the loaded song.

Supported values are the following:

Mnemonic constant	Value	Format
SOUNDTYPE_MP3	0	MP3
SOUNDTYPE_WAV	1	WAV
SOUNDTYPE_MP2	2	MP2
SOUNDTYPE_MP1	3	MP1
SOUNDTYPE_OGG	4	OGG Vorbis
SOUNDTYPE_WMA	5	Windows Media Audio
SOUNDTYPE_MOD	6	MOD Music
SOUNDTYPE_MTM	7	MTM MOD Music
SOUNDTYPE_S3M	8	S3M MOD Music
SOUNDTYPE_XM	9	XM MOD Music
SOUNDTYPE_IT	10	IT MOD Music
SOUNDTYPE_MO3	11	MO3 MOD Music
SOUNDTYPE_CD	12	CD Track
SOUNDTYPE_AIFF	13	AIFF
SOUNDTYPE_FLAC	14	FLAC
SOUNDTYPE_AAC	15	AAC
SOUNDTYPE_MP4	16	MP4
SOUNDTYPE_AC3	17	AC3
SOUNDTYPE_ALAC	18	ALAC
SOUNDTYPE_WV	19	WavPack
SOUNDTYPE_WAV_ENCODED	20	Encoded WAV
SOUNDTYPE_AU	21	Sun/NeXT AU
SOUNDTYPE_PAF	22	Ensoniq PARIS
SOUNDTYPE_SVX	23	Commodore Amiga IFF / SVX
SOUNDTYPE_NIST	24	Sphere NIST
SOUNDTYPE_VOC	25	Creative VOC
SOUNDTYPE_IRCAM	26	Berkeley/IRCAM/CARL
SOUNDTYPE_W64	27	Sonic Foundry's 64 bit RIFF/WAV
SOUNDTYPE_PVF	28	Portable Voice Format
SOUNDTYPE_CAF	29	Core Audio File
SOUNDTYPE_RAW	30	Raw file

nFrequency

UInt32

The playback rate of the loaded sound expressed in Hertz

nMP3StreamTypeLevel (*)

UInt32

The MPEG level:

0- MPEG 2.5

1- MPEG 1

2- MPEG 2

nMP3StreamTypeLayer (*)

UInt32

The MPEG layer

1- MPEG layer 1

2- MPEG layer 2

3- MPEG layer 3

nMP3StreamTypeBitRate (*)

UInt32

The Bitrate (number of bits per second)

nMP3StreamTypeMode (*)

UInt32

The MPEG mode

0- Stereo

1- Joint stereo

2- Dual channel

3- Single.channel

nMP3Frames (*)

UInt32

The number of MP3 frames

nMP3TagVersion (*)

enumTagId3Versions

The version of MP3 tag(s).

Supported value are the following:

Mnemonic constant	Value	Meaning
TAGVER_NONE	0	No tag available
TAGVER_1	1	Tag ID3V1 is available
TAGVER_11	2	Tag ID3V1.1 is available
TAGVER_2	3	Tag ID3V2 is available
TAGVER_1_2	4	Both tags ID3V1 and ID3V2 are available
TAGVER_11_2	5	Both tags ID3V1.1 and ID3V2 are available

nWAVBytesPerSec (**)

UInt32

Required average data-transfer rate, expressed in bytes per second, for the format tag.

nWAVBlockAlign (**)

UInt32

Block alignment, expressed in bytes. The block alignment is the minimum atomic unit of data for the nWavFormatTag format type.

nWAVBitsPerSample (**)

UInt32

Bits per sample for the nWavFormatTag format type.

nWAVFormatTag (**)

UInt32

Waveform-audio format type of the loaded WAV file. Format tags are registered with Microsoft Corporation for many compression algorithms.

Supported values are the following:

Microsoft defined mnemonic value	Numeric value	Manufacturer
	-1	The loaded file is not a valid WAV
WAVE_FORMAT_UNKNOWN	0x0000	None
WAVE_FORMAT_PCM	0x0001	Microsoft Corporation
WAVE_FORMAT_ADPCM	0x0002	Microsoft Corporation
WAVE_FORMAT_IEEE_FLOAT	0x0003	Microsoft Corporation
WAVE_FORMAT_IBM_CVSD	0x0005	IBM Corporation
WAVE_FORMAT_ALAW	0x0006	Microsoft Corporation
WAVE_FORMAT_MULAW	0x0007	Microsoft Corporation
WAVE_FORMAT_OKI_ADPCM	0x0010	OKI
WAVE_FORMAT_DVI_ADPCM	0x0011	Intel Corporation
WAVE_FORMAT_MEDIASPACE_ADPCM	0x0012	Videologic
WAVE_FORMAT_SIERRA_ADPCM	0x0013	Sierra Semiconductor Corp
WAVE_FORMAT_G723_ADPCM	0x0014	Antex Electronics Corporation
WAVE_FORMAT_DIGISTD	0x0015	DSP Solutions, Inc.
WAVE_FORMAT_DIGIFIX	0x0016	DSP Solutions, Inc.
WAVE_FORMAT_DIALOGIC_OKI_ADPCM	0x0017	Dialogic Corporation
WAVE_FORMAT_MEDIAVISION_ADPCM	0x0018	Media Vision, Inc.
WAVE_FORMAT_YAMAHA_ADPCM	0x0020	Yamaha Corporation of America
WAVE_FORMAT_SONARC	0x0021	Speech Compression
WAVE_FORMAT_DSPGROUP_TRUESPEECH	0x0022	DSP Group, Inc.
WAVE_FORMAT_ECHOSC1	0x0023	Echo Speech Corporation
WAVE_FORMAT_AUDIOFILE_AF36	0x0024	Not defined
WAVE_FORMAT_APTX	0x0025	Audio Processing Technology
WAVE_FORMAT_AUDIOFILE_AF10	0x0026	Not defined
WAVE_FORMAT_DOLBY_AC2	0x0030	Dolby Laboratories
WAVE_FORMAT_GSM610	0x0031	Microsoft Corporation
WAVE_FORMAT_MSNAUDIO	0x0032	Microsoft Corporation
WAVE_FORMAT_ANTEX_ADPCME	0x0033	Antex Electronics Corporation
WAVE_FORMAT_CONTROL_RES_VQLPC	0x0034	Control Resources Limited
WAVE_FORMAT_DIGIREAL	0x0035	DSP Solutions, Inc.
WAVE_FORMAT_DIGIADPCM	0x0036	DSP Solutions, Inc.
WAVE_FORMAT_CONTROL_RES_CR10	0x0037	Control Resources Limited
WAVE_FORMAT_NMS_VBXADPCM	0x0038	Natural MicroSystems
WAVE_FORMAT_CS_IMAADPCM	0x0039	Crystal Semiconductor IMA ADPCM
WAVE_FORMAT_ECHOSC3	0x003A	Echo Speech Corporation
WAVE_FORMAT_ROCKWELL_ADPCM	0x003B	Rockwell International
WAVE_FORMAT_ROCKWELL_DIGITALK	0x003C	Rockwell International
WAVE_FORMAT_XEBEC	0x003D	Xebec Multimedia Solutions Limited
WAVE_FORMAT_G721_ADPCM	0x0040	Antex Electronics Corporation
WAVE_FORMAT_G728_CELP	0x0041	Antex Electronics Corporation
WAVE_FORMAT_MPEG	0x0050	Microsoft Corporation
WAVE_FORMAT_MPEGLAYER3	0x0055	ISO/MPEG Layer3 Format Tag
WAVE_FORMAT_CIRRUS	0x0060	Cirrus Logic
WAVE_FORMAT_ESPCM	0x0061	ESS Technology
WAVE_FORMAT_VOXWARE	0x0062	Voxware Inc.
WAVEFORMAT_CANOPUS_ATRAC	0x0063	Canopus, co., Ltd.
WAVE_FORMAT_G726_ADPCM	0x0064	APICOM
WAVE_FORMAT_G722_ADPCM	0x0065	APICOM
WAVE_FORMAT_DSAT	0x0066	Microsoft Corporation
WAVE_FORMAT_DSAT_DISPLAY	0x0067	Microsoft Corporation
WAVE_FORMAT_SOFTSOUND	0x0080	Softsound, Ltd.
WAVE_FORMAT_RHETOREX_ADPCM	0x0100	Rhetorex Inc.
WAVE_FORMAT_CREATIVE_ADPCM	0x0200	Creative Labs, Inc.
WAVE_FORMAT_CREATIVE_FASTSPEECH8	0x0202	Creative Labs, Inc.
WAVE_FORMAT_CREATIVE_FASTSPEECH10	0x0203	Creative Labs, Inc.
WAVE_FORMAT_QUARTERDECK	0x0220	Quarterdeck Corporation
WAVE_FORMAT_FM_TOWNS_SND	0x0300	Fujitsu Corp.
WAVE_FORMAT_BTV_DIGITAL	0x0400	Brooktree Corporation
WAVE_FORMAT_OLIGSM	0x1000	Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_OLIADPCM	0x1001	Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_OLICELP	0x1002	Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_OLISBC	0x1003	Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_OLIOPR	0x1004	Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_LH_CODEC	0x1100	Lernout & Hauspie
WAVE_FORMAT_NORRIS	0x1400	Norris Communications, Inc.

strWAVTagString (**)

string

Friendly string of the waveform-audio format type of the loaded WAV file. Format tags are registered with Microsoft Corporation for many compression algorithms.

strMP3Tag1Album (*)

string

ID3V1 tag Album

strMP3Tag1Title (*)

string

ID3V1 tag Title

strMP3Tag1Artist (*)

string

ID3V1 tag Artist

strMP3Tag1Year (*)

string

ID3V1 tag Year

strMP3Tag1Comment (*)

string

ID3V1 tag Comment

strMP3Tag1Track (*)

string

ID3V1 tag Track number

strMP3Tag1GenreCode (*)

string

ID3V1 tag Genre code

strMP3Tag1GenreString (*)

string

ID3V1 tag Genre string

strWMACodecString (***)

string

Codec used for encoding in WMA format

(*) The field is valid only if the loaded song is in MP3, MP2 or MP1 format

(**) The field is valid only if the loaded song is in WAV format

(***) The field is valid only if the loaded song is in WMA format