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High Efficiency Video Coding tiers and levels

High Efficiency Video Coding tiers and levels are constraints that define a High Efficiency Video Coding (HEVC) bitstream in terms of maximum bit rate, maximum luma sample rate, maximum luma picture size, minimum compression ratio, maximum number of slices allowed, and maximum number of tiles allowed. Lower tiers are more constrained than higher tiers and lower levels are more constrained than higher levels.

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Tiers

The HEVC standard defines two tiers: Main and High.56 The Main tier is a lower tier than the High tier.78 The tiers were made to deal with applications that differ in terms of their maximum bit rate.9 The Main tier was designed for most applications while the High tier was designed for very demanding applications.10

Levels

The HEVC standard defines thirteen levels.1112 A level is a set of constraints for a bitstream.1314 For levels below level 4 only the Main tier is allowed.1516 A decoder that conforms to a given tier/level is required to be capable of decoding all bitstreams that are encoded for that tier/level and for all lower tiers/levels.1718

Tiers and levels with maximum property values1920
LevelMax luma sample rate(samples/s)Max luma picture size(samples)Max bit rate for Mainand Main 10 profiles (1000bit/s)[A]Max bit rate for Main 12profile (1000bit/s)Max bit rate for Main 4:4:4 12profile (1000bit/s)Max bit rate for Main 4:4:4 16Intra profile (1000bit/s)Max bit rate for High Throughput4:4:4 16 Intraprofile (1000bit/s)Example picture resolution @highest frame rate[B](MaxDpbSize[C]) Click here to hide/showadditional examplesMinCR[D]Max numberof slicesegmentsper picture[E]Max number of tile[F]
Main tierHigh tierMain tierHigh tierMain tierHigh tierMain tierHigh tierMain tierHigh tierrowscolumns
1552,96036,864128-192-384-1,024-12,288- 128×[email protected] (6) 176×[email protected] (6)21611
23,686,400122,8801,500-2,250-4,500-12,000-144,000- 176×[email protected] (16) 320×[email protected] (6) 352×[email protected] (6) 352×[email protected] (6)21611
2.17,372,800245,7603,000-4,500-9,000-24,000-288,000- 320×[email protected] (12) 352×[email protected] (12) 352×[email protected] (12) 352×[email protected] (6) 352×[email protected] (6) 640×[email protected] (6)22011
316,588,800552,9606,000-9,000-18,000-48,000-576,000- 352×[email protected] (12) 352×[email protected] (12) 640×[email protected] (12) 720×[email protected] (8) 720×[email protected] (8) 960×[email protected] (6)23022
3.133,177,600983,04010,000-15,000-30,000-80,000-960,000- 720×[email protected] (12) 720×[email protected] (12) 960×[email protected] (8) 1280×[email protected] (6)24033
466,846,7202,228,22412,00030,00018,00045,00036,00090,00096,000240,0001,152,0002,880,000 1,280×[email protected] (12) 1,920×1,[email protected] (6) 2,048×1,[email protected] (6)47555
4.1133,693,44020,00050,00030,00075,00060,000150,000160,000400,0001,920,0004,800,000 1,280×[email protected] (12) 1,920×1,[email protected] (6) 2,048×1,[email protected] (6)4
5267,386,8808,912,89625,000100,00037,500150,00075,000300,000200,000800,0002,400,0009,600,000 1,920×1,[email protected] (16) 2,048×1,[email protected] (16) 3,840×2,[email protected] (6) 4,096×2,[email protected] (6)62001110
5.1534,773,76040,000160,00060,000240,000120,000480,000320,0001,280,0003,840,00015,360,000 1,920×1,[email protected] (16) 2,048×1,[email protected] (16) 3,840×2,[email protected] (6) 4,096×2,[email protected] (6)8
5.21,069,547,52060,000240,00090,000360,000180,000720,000480,0001,920,0005,760,00023,040,000 1,920×1,[email protected] (16) 2,048×1,[email protected] (16) 3,840×2,[email protected] (6) 4,096×2,[email protected] (6)8
61,069,547,52035,651,58460,000240,00090,000360,000180,000720,000480,0001,920,0005,760,00023,040,000 3,840×2,[email protected] (16) 4,096×2,[email protected] (16) 7,680×4,[email protected] (6) 8,192×4,[email protected] (6)86002220
6.12,139,095,040120,000480,000180,000720,000360,0001,440,000960,0003,840,00011,520,00046,080,000 3,840×2,[email protected] (16) 4,096×2,[email protected] (16) 7,680×4,[email protected] (6) 8,192×4,[email protected] (6)8
6.24,278,190,080240,000800,000360,0001,200,000720,0002,400,0001,920,0006,400,00023,040,00076,800,000 3,840×2,[email protected] (16) 4,096×2,[email protected] (16) 7,680×4,[email protected] (6) 8,192×4,[email protected] (6)6
A The maximum bit rate of the profile is based on the combination of bit depth, chroma sampling, and the type of profile.21 For bit depth the maximum bit rate increases by 1.5x for 12-bit profiles and 2x for 16-bit profiles.22 For chroma sampling the maximum bit rate increases by 1.5x for 4:2:2 profiles and 2x for 4:4:4 profiles.23 For the Intra profiles the maximum bit rate increases by 2x.24 B The maximum frame rate supported by HEVC is 300 frames per second (fps).25 C The MaxDpbSize, maximum number of pictures in the decoded picture buffer, for the maximum luma picture size of that level is 6 for all levels.2627 The MaxDpbSize can increase to a maximum of 16 frames, if the luma picture size of the video is smaller than the maximum luma picture size of that level, in incremental steps of 4/3×, 2×, or 4×.2829 D The MinCR, minimum compression ratio, for that level.30 The MinCR constraint is reduced to half its base value for the 4:2:2 and 4:4:4 chroma sampling profiles and is reduced by an additional half for the Intra profiles.31 The MinCR is reduced to 1/24th of its base value with the High Throughput 4:4:4 16 Intra profile.3233 E The maximum number of slice segments is the number of slices allowed per picture at both the maximum resolution and maximum frame rate.3435 F The maximum number of tiles allowed per picture.36 The maximum number of tiles allowed per second is the maximum number of tiles allowed per picture times 120.3738

See also

References

  1. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  2. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  3. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  4. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  5. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  6. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  7. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  8. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  9. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  10. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  11. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  12. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  13. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  14. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  15. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  16. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  17. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  18. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  19. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  20. Jill Boyce; Jianle Chen; Ying Chen; David Flynn; Miska M. Hannuksela; Matteo Naccari; Chris Rosewarne; Karl Sharman; Joel Sole; Gary J. Sullivan; Teruhiko Suzuki; Gerhard Tech; Ye-Kui Wang; Krzysztof Wegner; Yan Ye (2014-07-11). "Draft high efficiency video coding (HEVC) version 2, combined format range extensions (RExt), scalability (SHVC), and multi-view (MV-HEVC) extensions". JCT-VC. Retrieved 2014-07-11. /wiki/Jill_Boyce

  21. Jill Boyce; Jianle Chen; Ying Chen; David Flynn; Miska M. Hannuksela; Matteo Naccari; Chris Rosewarne; Karl Sharman; Joel Sole; Gary J. Sullivan; Teruhiko Suzuki; Gerhard Tech; Ye-Kui Wang; Krzysztof Wegner; Yan Ye (2014-07-11). "Draft high efficiency video coding (HEVC) version 2, combined format range extensions (RExt), scalability (SHVC), and multi-view (MV-HEVC) extensions". JCT-VC. Retrieved 2014-07-11. /wiki/Jill_Boyce

  22. Jill Boyce; Jianle Chen; Ying Chen; David Flynn; Miska M. Hannuksela; Matteo Naccari; Chris Rosewarne; Karl Sharman; Joel Sole; Gary J. Sullivan; Teruhiko Suzuki; Gerhard Tech; Ye-Kui Wang; Krzysztof Wegner; Yan Ye (2014-07-11). "Draft high efficiency video coding (HEVC) version 2, combined format range extensions (RExt), scalability (SHVC), and multi-view (MV-HEVC) extensions". JCT-VC. Retrieved 2014-07-11. /wiki/Jill_Boyce

  23. Jill Boyce; Jianle Chen; Ying Chen; David Flynn; Miska M. Hannuksela; Matteo Naccari; Chris Rosewarne; Karl Sharman; Joel Sole; Gary J. Sullivan; Teruhiko Suzuki; Gerhard Tech; Ye-Kui Wang; Krzysztof Wegner; Yan Ye (2014-07-11). "Draft high efficiency video coding (HEVC) version 2, combined format range extensions (RExt), scalability (SHVC), and multi-view (MV-HEVC) extensions". JCT-VC. Retrieved 2014-07-11. /wiki/Jill_Boyce

  24. Jill Boyce; Jianle Chen; Ying Chen; David Flynn; Miska M. Hannuksela; Matteo Naccari; Chris Rosewarne; Karl Sharman; Joel Sole; Gary J. Sullivan; Teruhiko Suzuki; Gerhard Tech; Ye-Kui Wang; Krzysztof Wegner; Yan Ye (2014-07-11). "Draft high efficiency video coding (HEVC) version 2, combined format range extensions (RExt), scalability (SHVC), and multi-view (MV-HEVC) extensions". JCT-VC. Retrieved 2014-07-11. /wiki/Jill_Boyce

  25. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  26. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  27. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  28. G.J. Sullivan; J.-R. Ohm; W.-J. Han; T. Wiegand (2012-05-25). "Overview of the High Efficiency Video Coding (HEVC) Standard" (PDF). IEEE Trans. on Circuits and Systems for Video Technology. Retrieved 2012-09-14. /wiki/Thomas_Wiegand

  29. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  30. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  31. Jill Boyce; Jianle Chen; Ying Chen; David Flynn; Miska M. Hannuksela; Matteo Naccari; Chris Rosewarne; Karl Sharman; Joel Sole; Gary J. Sullivan; Teruhiko Suzuki; Gerhard Tech; Ye-Kui Wang; Krzysztof Wegner; Yan Ye (2014-07-11). "Draft high efficiency video coding (HEVC) version 2, combined format range extensions (RExt), scalability (SHVC), and multi-view (MV-HEVC) extensions". JCT-VC. Retrieved 2014-07-11. /wiki/Jill_Boyce

  32. Jill Boyce; Jianle Chen; Ying Chen; David Flynn; Miska M. Hannuksela; Matteo Naccari; Chris Rosewarne; Karl Sharman; Joel Sole; Gary J. Sullivan; Teruhiko Suzuki; Gerhard Tech; Ye-Kui Wang; Krzysztof Wegner; Yan Ye (2014-07-11). "Draft high efficiency video coding (HEVC) version 2, combined format range extensions (RExt), scalability (SHVC), and multi-view (MV-HEVC) extensions". JCT-VC. Retrieved 2014-07-11. /wiki/Jill_Boyce

  33. K. Sharman; N. Saunders; J. Gamei; T. Suzuki; A. Tabatabai (2014-06-20). "High 4:4:4 16 Intra profile specification". JCT-VC. Retrieved 2014-07-13. http://phenix.it-sudparis.eu/jct/doc_end_user/current_document.php?id=9198

  34. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  35. Minhua Zhou (2012-10-01). "AHG9: on number of slices constraint". JCT-VC. Retrieved 2012-11-27. http://phenix.it-sudparis.eu/jct/doc_end_user/current_document.php?id=6572

  36. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  37. "H.265 : High efficiency video coding". ITU. 2013-06-07. Retrieved 2013-06-07. http://www.itu.int/rec/T-REC-H.265

  38. Minhua Zhou (2012-10-01). "AHG9: on number of tiles constraint". JCT-VC. Retrieved 2012-11-27. http://phenix.it-sudparis.eu/jct/doc_end_user/current_document.php?id=6573