L64105 LSI Logic Corporation, L64105 Datasheet - Page 226

• Manufacturer Part Number: L64105
• Description: Mpeg-2 Audio/video Decoder
• Manufacturer: LSI Logic Corporation

6.5 Summary
Figure 6.15 MPEG-1/MPEG-2 Channel Interface Operation
6-30
Search for Start Code Prefix
Read Stream ID
Substream ID
Yes
No
No
No
No
Stream 1?
Header?
Header?
System
Audio?
Video?
Private
MPEG
MPEG
Read
Start
Pack
1
Yes
Yes
Yes
Yes
No
The operation of the Channel Interface is summarized in the flowchart in
Figure 6.15
Figure 6.16
Channel Interface
Video Enabled &
Audio Enabled &
ID Matches
ID Matches
MPEG
MPEG
No
?
?
Linear
PCM?
No
No
for MPEG-1 streams and MPEG-2 program streams, and in
for A/V PES streams from transport demultiplexers.
Yes
Yes
Yes
Stream Enabled &
PES Header
PES Header
Enabled?
Enabled?
Enabled?
Enabled?
ID Matches
Header
System
Header
Audio
Video
Pack
LPCM
?
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Header
Header
Store Header
& Video Data
Store
Store Header
& Audio Data
Store
Store Video
Store Audio
PES Header
Enabled?
Data
Data
Skip Packet
Audio
No
Yes
Code, & Audio Data
Store Header, Sync
Store Audio
Data