Vela CineCast 2000-0422 Installation And User Manual page 90

Quad pro mpeg-2 four-channel serial digital interface (sdi) a/v decoder system for broadcasters
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76
1. Send command 0024h "Set Frame Count" with the 32-bits of data set
at desired frame count.
2. Send decoder command (such as Stop or Pause) with fields Inline = 1
and Inline Mode = 011b.
0026 Film Mode (24 frames/second): This command is ignored by firmware,
as it is no longer required. Film mode is automatic.
0028 Select Audio/Video Stream ID: This command is used to select differ-
ent audio and video stream IDs within a System or Program stream. Transport
stream use a different mechanism, see command 003Dh Set Transport Program
ID (PID).
This command changes the audio and video stream IDs to decode as determined
by bits 15-8 of the command.
The below table shows bit settings to allow MPEG video and audio to decode
default video and audio stream IDs. This is the decoder's power-up default.
15
14
0
0
X = Doesn't care
The below table selects the audio stream ID to decode where AAAAAb deter-
mines the audio stream ID:
15
14
0
1
Second Channel Audio Stream ID select:
15
14
1
1
DECODER Command (45h)
CineCast Quad Pro Version 2.6 Installation and User Manual
Restore Default Audio/Video Stream ID
13
12
0
X
Primary Audio Stream ID Select
13
12
1
A
Second Channel Audio Stream ID Select
13
12
1
A
11
10
9
X
X
X
11
10
9
A
A
A
11
10
9
A
A
A
8
X
8
A
8
A

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