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Streaming Video over Internet: Approaches and Directions

Streaming Video over Internet: Approaches and Directions. Dapeng Wu, Yiwei Thomas Hou, Wenwu Zhu, Ya-Qin Zhang, Jon M. Peha IEEE Transactions on circuits and systems for video technology, march 2001. Outline. Video Compression (1). Nonscalible encoder/decoder. SNR encoder/decoder.

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Streaming Video over Internet: Approaches and Directions

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  1. Streaming Video over Internet: Approaches and Directions Dapeng Wu, Yiwei Thomas Hou, Wenwu Zhu, Ya-Qin Zhang, Jon M. Peha IEEE Transactions on circuits and systems for video technology, march 2001

  2. Outline

  3. Video Compression (1) Nonscalible encoder/decoder SNR encoder/decoder

  4. Video Compression (2) Bitplanes of DCT coefficients FGS encoder/decoder

  5. Application-layer QoS Control • Congestion Control • Rate Control • Source-based, receiver-based and hybrid • Rate Shaping • Codec filter, frame-dropping filter … • Error Control • FEC • Retransmission • Error-resilient encoding, MDC • Error concealment

  6. Continuous Media Distribution Services • Network filters • Application-level multicast • Content replication • Mirror • Caching

  7. Streaming Server • Communicator • Operating system • Process, resource, file management • Storage system • Data striping • Hierarchical storage • SAN-based server and storage architecture • Network-attached storage architecture

  8. Storage System (1)

  9. Storage System (2)

  10. Media Synchronization • Intra-stream synchronization • Inter-stream synchronization • Inter-object synchronization

  11. Protocols for Streaming Video

  12. Structure of RealVideo 8 (ASM) Adaptive Stream Management

  13. Structure of RealVideo 8 (encoder)

  14. Structure of RealVideo 8 (decoder)

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