Chapter 2 — Decoder Command Set Guide
83
0047 Video/Audio Fade
2. Issue a Fade Down to Channel 1 with appropriate inline mode. The fade down
will start executing when the trigger frame/TimeCode occurs. When the fade
down completes, the secondary channel will set GPI2 signal the primary decoder
to begin the Fade Up. Also when the Fade Down is complete, the Audio/Video
Mux hardware will select Channel 0 (primary) audio and video sources.
Fade Down/Up
= 0b
Fade up
Secondary Decoder
= 0b
Channel 0 is the Primary decoder.
Audio Output A Source
= 000b
Audio decoder 0 channels 1,2.
Audio Output B Source
= 001b
Audio decoder 0 channels 3,4.
Audio Output C Source
= 100b
Audio decoder 1 channels 1,2.
Audio Fade Enable
= 1b
Audio fade enabled.
Audio Source
= 0b
MPEG audio decoder output (channel
0 audio).
Video Fade Time
= 30
30-frame video fade up.
Audio Fade Time
= 30
30-frame audio fade up.
Fade down issued to Channel 1 (secondary decoder)
Video Fade Enable
= 1b
Video fade enabled.
Video Source
= 0b
This channel’s video output is not
used. Leave set to MPEG video
decoder output.
Fade Down/Up
= 1b
Fade down.
Secondary Decoder
= 1b
Channel 1 is the Secondary decoder.
Audio Output A Source
= 000b
This channel's audio output is not
used. Leave set to Audio decoder 0
channels 1,2.
Audio Output B Source
= 001b
This channel's audio output is not
used. Leave set to Audio decoder 0
channels 3,4.
Fade up issued to Channel 0 (primary decoder)
Summary of Contents for 2000-0600
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