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AAUX Source Control (ASC) Pack

 
Microsoft DirectShow 9.0

AAUX Source Control  (ASC) Pack

The following tables list the values used by the MSDV driver to fill in the dwDVAAuxCtl and dwDVAAuxCtl1 members of the DVINFO structure. For more information, see DVINFO Field Settings in the MSDV Driver.

DVCR Settings

DV Standard DVCR (IEC 61834)
FOURCC dvsldvsd
System 525-60625-50525-60625-50
CGMS (2) 00000000
ISR (2) 11111111
CMP (2) 11111111
SS (2) 11111111
REC ST (1) 1111
REC END (1) 1111
REC MODE (3) 001001001001
INSERT CH (3) 111111111111
DRF (1) 1111
SPEED (7) 010:0000010:0000010:0000010:0000
Reserved (1) 1111
GENRE (7) 111:1111111:1111111:1111111:1111
ASC Pack (both audio blocks)* 0xFFA0CF3F0xFFA0CF3F 0xFFA0CF3F0xFFA0CF3F

DVCR 25 and DVCPRO 50 Settings (Planned)

DV Standard DVCPRO (SMPTE 314M) — Planned
FOURCC dv25 dv50
System 525-60625-50 525-60625-50
CGMS (2) 00000000
Reserved (4) 1111111111111111
EFC (2) 00000000
REC ST (1) 1111
REC END (1) 1111
FADE ST (1) 1111
FADE END (1) 1111
Reserved (4) 1111111111111111
DRF (1) 1111
SPEED (7) 111:1000110:0100111:1000110:0100
Reserved (8) 1111:11111111:1111 1111:11111111:1111
ASC Pack (both audio blocks)* 0xFFA0CF3F0xFFA0CF3F 0xFFA0CF3F0xFFA0CF3F
\* The **DVINFO** structure contains two AAUX AS packs, for audio blocks 1 and 2. DV50 has four audio blocks; blocks 3 and 4 are not represented in the **DVINFO** structure.

DVCR 100 Settings (Planned)

DV Standard DVCPRO 100 — Planned
FOURCC dvh1
System 1080-60i720-60p1080-50i
CGMS (2) 000000
Reserved (4) 111111111111
EFC (2) 000000
REC ST (1) 111
REC END (1) 111
FADE ST (1) 111
FADE END (1) 111
Reserved (4) 111111111111
DRF (1) 111
SPEED (7) 111:1000111:1000110:0100
Reserved (8) 1111:11111111:11111111:1111
ASC Pack (both audio blocks)* 0xFFF8FF3C0xFFF8FF3C0xFFE4FF3C
\* DVCPRO 100 has 8 audio blocks; blocks 3 through 8 are not represented in the **DVINFO** structure.

Remarks

The following field codes are of interest:

  • CGMS: Copy generation management system. 0 = copying permitted without restriction.

The actual ASC packs in the DV stream may contain different values.

  • REC MODE: Recording mode. 1 = Original

  • SPEED: VTR playback speed.

    IEC 61834 definition:

    • 010:0000 = normal speed, 525-60 or 625-50

    SMPTE 314M definition:

    • 111:1000 = normal speed, 525-60
    • 110:0100 = normal speed, 625-50

See Also