Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc

Taheni Damak; Imen Werda; Mohamed Ali Ben Ayed; Nouri Masmoudi

doi:doi:10.11648/j.cssp.20130201.12

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Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc

Taheni Damak, Imen Werda, Mohamed Ali Ben Ayed, Nouri Masmoudi

Received: 22 February 2013 Accepted: Published: 20 February 2013

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Abstract

Context Adaptive Variable Length Decoding (CAVLD) module takes the lion chair of the H.264/AVC video decoder time due to its complexity. In order to ameliorate decoding speed, a new CAVLD algorithm and an efficient internal memory design were implemented on Digital Signal Processor (DSP). The proposed CAVLD algorithm, Zero Length Prefix (ZLP), was designed to optimize the first syntax element: the CoeffToken. ZLP implementation reduces CAVLD execution time to 21% instead of 41% from decoding time with a throughput of 1.28 MegaMB/s. In addition, the decoder speed was increased from 36 frames per second (fps) to 44 fps for a CIF compressed bitstream.

DOI	10.11648/j.cssp.20130201.12
Published in	Science Journal of Circuits, Systems and Signal Processing (Volume 2, Issue 1, February 2013)
Page(s)	6-15
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

H.264 Video Coding Standard, Decoder, CAVLD, Coefftoken, TMS320C64 DSP

References

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[8]	Tony Gladvin George, Dr.N.Malmurugan, "A New Fast Architecture for HD H.264 CAVLC multi-syn Decoder and its FPGA Implementation". International Conference on Computational Intelligence and Multimedia Applications. Sivakasi, India. ICCIMA 2007.
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APA Style

Taheni Damak, Imen Werda, Mohamed Ali Ben Ayed, Nouri Masmoudi. (2013). Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc. Science Journal of Circuits, Systems and Signal Processing, 2(1), 6-15. https://doi.org/10.11648/j.cssp.20130201.12

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ACS Style

Taheni Damak; Imen Werda; Mohamed Ali Ben Ayed; Nouri Masmoudi. Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc. Sci. J. Circuits Syst. Signal Process. 2013, 2(1), 6-15. doi: 10.11648/j.cssp.20130201.12

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AMA Style

Taheni Damak, Imen Werda, Mohamed Ali Ben Ayed, Nouri Masmoudi. Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc. Sci J Circuits Syst Signal Process. 2013;2(1):6-15. doi: 10.11648/j.cssp.20130201.12

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@article{10.11648/j.cssp.20130201.12,
  author = {Taheni Damak and Imen Werda and Mohamed Ali Ben Ayed and Nouri Masmoudi},
  title = {Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc},
  journal = {Science Journal of Circuits, Systems and Signal Processing},
  volume = {2},
  number = {1},
  pages = {6-15},
  doi = {10.11648/j.cssp.20130201.12},
  url = {https://doi.org/10.11648/j.cssp.20130201.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cssp.20130201.12},
  abstract = {Context Adaptive Variable Length Decoding (CAVLD) module takes the lion chair of the H.264/AVC video decoder time due to its complexity. In order to ameliorate decoding speed, a new CAVLD algorithm and an efficient internal memory design were implemented on Digital Signal Processor (DSP). The proposed CAVLD algorithm, Zero Length Prefix (ZLP), was designed to optimize the first syntax element: the CoeffToken. ZLP implementation reduces CAVLD execution time to 21% instead of 41% from decoding time with a throughput of 1.28 MegaMB/s. In addition, the decoder speed was increased from 36 frames per second (fps) to 44 fps for a CIF compressed bitstream.},
 year = {2013}
}

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TY  - JOUR
T1  - Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc
AU  - Taheni Damak
AU  - Imen Werda
AU  - Mohamed Ali Ben Ayed
AU  - Nouri Masmoudi
Y1  - 2013/02/20
PY  - 2013
N1  - https://doi.org/10.11648/j.cssp.20130201.12
DO  - 10.11648/j.cssp.20130201.12
T2  - Science Journal of Circuits, Systems and Signal Processing
JF  - Science Journal of Circuits, Systems and Signal Processing
JO  - Science Journal of Circuits, Systems and Signal Processing
SP  - 6
EP  - 15
PB  - Science Publishing Group
SN  - 2326-9073
UR  - https://doi.org/10.11648/j.cssp.20130201.12
AB  - Context Adaptive Variable Length Decoding (CAVLD) module takes the lion chair of the H.264/AVC video decoder time due to its complexity. In order to ameliorate decoding speed, a new CAVLD algorithm and an efficient internal memory design were implemented on Digital Signal Processor (DSP). The proposed CAVLD algorithm, Zero Length Prefix (ZLP), was designed to optimize the first syntax element: the CoeffToken. ZLP implementation reduces CAVLD execution time to 21% instead of 41% from decoding time with a throughput of 1.28 MegaMB/s. In addition, the decoder speed was increased from 36 frames per second (fps) to 44 fps for a CIF compressed bitstream.
VL  - 2
IS  - 1
ER  -

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Author Information

Taheni Damak

Higher Institute of Computer Sciences and Communication Technologies of Hamam Sousse, University of Sousse, Sousse, Tunisia
Imen Werda

Higher Institute of Applied Sciences and Technology, University of Sousse, Sousse, Tunisia
Mohamed Ali Ben Ayed

Higher Institute of Electronics and Communication of Sfax, University of Sfax, Sfax, Tunisia
Nouri Masmoudi

National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia

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Plain Text BibTeX RIS

APA Style

Taheni Damak, Imen Werda, Mohamed Ali Ben Ayed, Nouri Masmoudi. (2013). Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc. Science Journal of Circuits, Systems and Signal Processing, 2(1), 6-15. https://doi.org/10.11648/j.cssp.20130201.12

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ACS Style

Taheni Damak; Imen Werda; Mohamed Ali Ben Ayed; Nouri Masmoudi. Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc. Sci. J. Circuits Syst. Signal Process. 2013, 2(1), 6-15. doi: 10.11648/j.cssp.20130201.12

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AMA Style

Taheni Damak, Imen Werda, Mohamed Ali Ben Ayed, Nouri Masmoudi. Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc. Sci J Circuits Syst Signal Process. 2013;2(1):6-15. doi: 10.11648/j.cssp.20130201.12

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@article{10.11648/j.cssp.20130201.12,
  author = {Taheni Damak and Imen Werda and Mohamed Ali Ben Ayed and Nouri Masmoudi},
  title = {Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc},
  journal = {Science Journal of Circuits, Systems and Signal Processing},
  volume = {2},
  number = {1},
  pages = {6-15},
  doi = {10.11648/j.cssp.20130201.12},
  url = {https://doi.org/10.11648/j.cssp.20130201.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cssp.20130201.12},
  abstract = {Context Adaptive Variable Length Decoding (CAVLD) module takes the lion chair of the H.264/AVC video decoder time due to its complexity. In order to ameliorate decoding speed, a new CAVLD algorithm and an efficient internal memory design were implemented on Digital Signal Processor (DSP). The proposed CAVLD algorithm, Zero Length Prefix (ZLP), was designed to optimize the first syntax element: the CoeffToken. ZLP implementation reduces CAVLD execution time to 21% instead of 41% from decoding time with a throughput of 1.28 MegaMB/s. In addition, the decoder speed was increased from 36 frames per second (fps) to 44 fps for a CIF compressed bitstream.},
 year = {2013}
}

Copy | Download

TY  - JOUR
T1  - Context Adaptive Variable Length Decoding Optimization and Implementation on Tms320c64 Dsp for H.264/Avc
AU  - Taheni Damak
AU  - Imen Werda
AU  - Mohamed Ali Ben Ayed
AU  - Nouri Masmoudi
Y1  - 2013/02/20
PY  - 2013
N1  - https://doi.org/10.11648/j.cssp.20130201.12
DO  - 10.11648/j.cssp.20130201.12
T2  - Science Journal of Circuits, Systems and Signal Processing
JF  - Science Journal of Circuits, Systems and Signal Processing
JO  - Science Journal of Circuits, Systems and Signal Processing
SP  - 6
EP  - 15
PB  - Science Publishing Group
SN  - 2326-9073
UR  - https://doi.org/10.11648/j.cssp.20130201.12
AB  - Context Adaptive Variable Length Decoding (CAVLD) module takes the lion chair of the H.264/AVC video decoder time due to its complexity. In order to ameliorate decoding speed, a new CAVLD algorithm and an efficient internal memory design were implemented on Digital Signal Processor (DSP). The proposed CAVLD algorithm, Zero Length Prefix (ZLP), was designed to optimize the first syntax element: the CoeffToken. ZLP implementation reduces CAVLD execution time to 21% instead of 41% from decoding time with a throughput of 1.28 MegaMB/s. In addition, the decoder speed was increased from 36 frames per second (fps) to 44 fps for a CIF compressed bitstream.
VL  - 2
IS  - 1
ER  -

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