Active Transcoding
High Performance Team #5 Demo

MPEG-2 Transcoding

Network Adaptation

3 Way Tradeoff

Adaptation Services

Application Level Adaptation:
Active Transcoding

RATE
SCALABILITY

Full Cascade Adaptation

MPEG-2  Rate Control

Slide 10

REGION OF INTEREST
ADAPTATION

ROI Encoding (Uniform)

ROI Encoding (Focus)

Slide 14

Slide 15

SELF-CONFIGURATION

Resource Impact

Time Profile on PIII-450MHz

Xcoder States

Motion Vector Bypass

3-way Tradeoff

CYCLE
SWEEPING

Active Netwide Computing

Flow: “Single Stream Multiple Form”

Mapping

MPEG-2 DEMO

Today’s Demo

Parallel XCoding

Adaptive MPEG-2 XCoding

Comments on Performance

Comments on Systems Engineering

Team