Vela CineCast 2000-0422, Инструкция по установке и эксплуатации

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Chapter 2 — Overview and Operation 77
DECODER Command (45h)
The below table selects the video stream ID to decoder where VVVVb
determines the video stream ID:
Note that once stream IDs have been set, they will remain in effect until “Restore
Audio/Video Stream ID” is sent or a soft reset is sent.
0029 Video Encoder Register Address Setup: Ignored by firmware.
002A Video Encoder Data: Ignored by firmware.
002B Error Mask: Used to enable/disable error checking for MPEG stream
decoder errors, audio/video channel buffer errors, and loss of genlock errors.
By default, all these errors are masked (disabled). The 32-bits of data contained
in the Error Mask are as follows:
Video Stream ID Select
15 14 13 12 11 10 9 8
1 0 1 X V V V V
X = Doesn’t care
Bit Error Mask Notes & Limitations
0–9 Reserved
10 Genlock Loss Error Capability provided.
ASB= 0107 Genlock Sync Lost.
11 Collision Errors (Sense Key =
01h, ASCQ = 1800h) Firmware monitors the fullness of the audio and
video rate buffers. An error is generated when
the rate buffer is detected as empty.
ASB = 0104 Video Rate Buffer Empty
ABS = 0204 Audio Rate Buffer Empty
12 Audio Channel Buffer Error Not provided; use Collision Error instead.
13 Audio/Video MPEG Decode Error
(MPEG syntax error) Capability is NOT provided.
14 Video Channel Buffer Error Not provided; use Collision Error instead.
Logical 1 = Enable event; Logical 0 = Disable event. Refer to “Error Reporting,” page 135,
for more information.