The document discusses the development and implementation challenges of a hardware encoder for 4K H.265/HEVC video, highlighting the increased complexity compared to H.264. It emphasizes the need for multi-core processing and advanced codec techniques to achieve cost-effective 4K video encoding. The presentation concludes that while achieving 4K UHD encoding is challenging, it is feasible with advancing technology and aims to offer scalable solutions in the near future.

1. The International Multimedia Telecommunications Consortium
Development of a 4K H.265/
HEVC HW Encoder
9th October 2013
Oliver.Gunasekara@NGCodec.com
CEO & Co-Founder NGCodec Inc.
1Saturday, October 5, 13

2. The International Multimedia Telecommunications Consortium
Why NGCodec?
2Saturday, October 5, 13

3. The International Multimedia Telecommunications Consortium
Video Sucks!
3Saturday, October 5, 13

4. The International Multimedia Telecommunications Consortium
4Saturday, October 5, 13

5. The International Multimedia Telecommunications Consortium
5Saturday, October 5, 13

6. The International Multimedia Telecommunications Consortium
Realism!
~20 years to the Holodeck
6Saturday, October 5, 13

7. The International Multimedia Telecommunications Consortium
Video Quality Components
7Saturday, October 5, 13

8. The International Multimedia Telecommunications Consortium
Resolution
8Saturday, October 5, 13

9. The International Multimedia Telecommunications Consortium
Colorimetry
8-­‐bit
10-­‐bit
X
Y
Z
CIE XYZ (1931)
UHDTV (Rec 2020) Gamut
HDTV (Rec 709) Gamut
SDTV (Rec 601) Gamut
9Saturday, October 5, 13

10. The International Multimedia Telecommunications Consortium
More Video Components
Stereoscopy
LatencyHigh
frame
rate
200
degrees
field
of
view
10Saturday, October 5, 13

11. The International Multimedia Telecommunications Consortium
Codec, Bit-rate, Bandwidth
11Saturday, October 5, 13

12. The International Multimedia Telecommunications Consortium
12Saturday, October 5, 13

13. The International Multimedia Telecommunications Consortium
Watch the video online
http://ngcodec.com/imtc2013
13Saturday, October 5, 13

14. The International Multimedia Telecommunications Consortium
Implementation Challenges
14Saturday, October 5, 13

15. The International Multimedia Telecommunications Consortium
Today vs Tomorrow
0x
1x
2x
3x
4x
Pixels (M) FPS Colour depthCodec
Today (H.264 1080p30 8-bit)
Tomorrow (H.265 2160p60 10-bit)
40x
Complexity
15Saturday, October 5, 13

16. The International Multimedia Telecommunications Consortium
Hardware Implementation Challenges
Being able to do 4K cost effectively (Multi-core)
Reference
frame
cache
HEVC,
AVC
1080p60
encoder
elements
HEVC
1080p60
encoder
elements
Video
frame
distribuFon
Memory
interface
HEVC
1080p60
encoder
elements
HEVC
1080p60
encoder
elements
Control
register
interface
Rate
control
micro-­‐
processor
NAL
and
VQ
micro-­‐
processor
1
engine,
no
WPP
for
1080p
4
engines
with
WPP
for
4K
resoluFon
Engine
1
Engine
2
Engine
3
Engine
4
WPP
Processing
of
4K
(2160p)
frame
16Saturday, October 5, 13

17. The International Multimedia Telecommunications Consortium
Hardware Implementation Challenges (II)
Larger blocks/Mode decision/Block partitioning
CB0 CB1
CB2 CB3
CB4
CB5 CB6
CB0 CB1 CB2 CB3
CB4 CB5 CB6
H.264 H.265
17Saturday, October 5, 13

18. The International Multimedia Telecommunications Consortium
Hardware Implementation Challenges (III)
Intra prediction
HEVC/H.265AVC/H.264
18Saturday, October 5, 13

19. The International Multimedia Telecommunications Consortium
4K
4K H.265 Video Conference
4K
UHD
19Saturday, October 5, 13

20. The International Multimedia Telecommunications Consortium
4K
PC Software H.265 Encoding
Maximum resolution 480p30 8-bit
4K
UHD
20Saturday, October 5, 13

21. The International Multimedia Telecommunications Consortium
FPGA H.265 Encoding
Maximum resolution 2160p30 10-bit
4K
UHD
21Saturday, October 5, 13

22. The International Multimedia Telecommunications Consortium
Conclusions
Very challenging but possible to deliver 50%
Diversity of encoder solutions, SW/FPGA/SoC
1080p30 can be everywhere <1Mbps
UHD 4K 10-bit is coming quickly
Scalability extensions coming in 2014
$965.99
Seiki
50”
UHD
LED
TV
4K
UHD
22Saturday, October 5, 13

23. The International Multimedia Telecommunications Consortium
Thank you – Q&A + Downloads
Free
H.265
bit
streams/Demo
http://ngcodec.com/hevc-bitstreamshttp://ngcodec.com/imtc2013
Slides
&
Video
23Saturday, October 5, 13