TAG_BEXT structure

BWF "bext" tag structure.

typedef struct {
    char Description[256];
    char Originator[32];
    char OriginatorReference[32];
    char OriginationDate[10];
    char OriginationTime[8];
    QWORD TimeReference;
    WORD Version;
    BYTE UMID[64];
    BYTE Reserved[190];
    char CodingHistory[];
} TAG_BEXT;

Members

Description	A free description of the sequence. To help applications which only display a short description, it is recommended that a summary of the description is contained in the first 64 characters, and the last 192 characters are used for details.
Originator	The name of the originator/producer of the audio file.
OriginatorReference	A non ambiguous reference allocated by the originating organization.
OriginationDate	The date of creation of the audio sequence, in the form of "yyyy-mm-dd" (year-month-day).
OriginationTime	The time of creation of the audio sequence, in the form of "hh-mm-ss" (hours-minutes-seconds).
TimeReference	The timecode of the sequence. The first sample count since midnight.
Version	The BWF version.
UMID	64 bytes containing a UMID (Unique Material Identifier) to the SPMTE 330M standard. If only a 32 byte "basic UMID" is used, the last 32 bytes should be set to zero.
Reserved	Reserved for extensions.
CodingHistory	A series of CR/LF terminated strings, each containing a description of a coding process applied to the audio data.

Remarks

The structure is given by BASS_ChannelGetTags as it is in the RIFF file, which is little-endian, so the TimeReference and Version members will need to be reversed on big-endian platforms. The UMID member is only available with BWF version 1 (and above).

See the BWF specification for further details.

TAG_BEXT structure

Members

Remarks

See also