MPEG 2 - Presentation and Demo. Presentation for Video Coding and Decoding.

1. MPEG 2 - Demo Encoder and
Decoder Video
“
P r e s e n t e r : T r o n g - A n B u i
A d v i s o r : P r o f . P e i - J u n L e e
Video Processing and Application Laboratory,
National Chi Nan University, Taiwan
N a t i o n a l S p a c e O r g a n i z a t i o n P r o j e c t
Ta i w a n 2 0 1 7
October 18th , 2017
NCNU, Taiwan

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ABOUT US
Video Processing and Application Laboratory,
National Chi Nan University, Taiwan
Project
Report
Demo:
MPEG 2 – Video Decoder and Encoder

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OUTLINE
Video Enc oder and D ec oder
Follow Pr oc es s ing
Build Envir onment and platfor m
Sour c e c ode Str uc tur e
Build and R unning
R es ult and Tes ting
Open Sour c e and Shar ing

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OUTLINE
Video Encoder and D ecoder
Follow Pr oc es s ing
Build Envir onment and platfor m
Sour c e c ode Str uc tur e
Build and R unning
R es ult and Tes ting
Open Sour c e and Shar ing

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MPEG-2 E n c o d e r a n d D e c o d e r
Input

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MPEG-2 E n c o d e r a n d D e c o d e r
Encoder
Decoder
Y,U,V
files
Video
bit stream
Video
bit stream
Y,U,V
files

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OUTLINE
Video Encoder and D ecoder
Follow Processing
Build Envir onment and platfor m
Sour c e c ode Str uc tur e
Build and R unning
R es ult and Tes ting
Open Sour c e and Shar ing

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MPEG-2 F o l l o w i n g
Encoderaw files
(y,u,v)
Video
bit stream
(m2v)
Decodenew raw files
(y,u,v)

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OUTLINE
Video Encoder and D ecoder
Follow Processing
B uild Environment and plat f orm
Sour c e c ode Str uc tur e
Build and R unning
R es ult and Tes ting
Open Sour c e and Shar ing

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Build
Environment
C o d i n g L a n g u a g e a n d P l a t f o r m
{ C }
Programing
Basic and strong
language code
Run on: PC, sever,
hardware…

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OUTLINE
Video Encoder and D ecoder
Follow Processing
B uild Environment and plat f orm
Source code St ruct ure
Build and R unning
R es ult and Tes ting
Open Sour c e and Shar ing

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Source
code
S t r u c t u r e
base
src
par
vip_run
doc
make file
verify
source code C programing language
configuration files for encoding
steps and results run the program by following
how to run and setting decoder and encoder
build, clear, verify with make file in Linux
verify and compare the y,u,v files

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OUTLINE
Video Encoder and D ecoder
Follow Processing
B uild Environment and plat f orm
Source code St ruct ure
B uild and R unning
R es ult and Tes ting
Open Sour c e and Shar ing

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Compile B u i l d
make all
Run terminal from base
cd src/mpeg2dec; make 'CC=$(CC)'
'CFLAGS=$(CFLAGS) $(USE_DISP) $(USE_SHMEM) $(INCLUDEDIR)'
'LIBS=$(LIBS)' 'LIBRARYDIR=$(LIBRARYDIR)'
cd src/mpeg2enc; make 'CC=$(CC)' 'CFLAGS=$(CFLAGS)'
compile and build application program from c coding files

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Compile R u n n i n g E n c o d i n g
Run terminal from
base/vip_run/NSPOStep/01_Encoder_From_OriginalYUVFiles
./run
Encoder to video (.m2v file) from Y,U,V files in this folder
Y,U,V
files
Video

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Compile R u n n i n g D e c o d i n g
Run terminal from
base/vip_run/NSPOStep/02_Decoder
./run
Decoder to raw files (y,u,v files) from video file in this folder
Video
Y,U,V
files

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OUTLINE
Video Encoder and D ecoder
Follow Processing
B uild Environment and plat f orm
Source code St ruct ure
B uild and R unning
R esult and Test ing
Open Sour c e and Shar ing

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Compile Te s t r e s u l t
Test result following
Encoderaw files
(y,u,v)
video Video
bit stream file
(m2v)
Decode
new raw files
(y,u,v)
Re - Encode
new video
bit stream
(m2v)
Method 1

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Compile Te s t r e s u l t
Run terminal from
base/vip_run/NSPOStep/03_Re-generate
./run
Encoder to video (.m2v file) from Y,U,V files in this folder
Y,U,V
files
Video
compare 2 videos

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Test Result
video new video
M e t h o d 1

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Compile Te s t r e s u l t
Test result following Method 2
Encoderaw files
(y,u,v)
video Video
bit stream file
(m2v)
Decode
new raw files
(y,u,v)

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Test ResultM e t h o d 2

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Test ResultM e t h o d 2
frame PSNR SSIM CORR
0 45.975796 0.999849 0.999849
1 41.889598 0.999613 0.999613
2 43.589393 0.999739 0.999739
3 42.729516 0.999681 0.999681
4 43.198931 0.999713 0.999713
5 43.028686 0.999701 0.999701
6 42.926901 0.999693 0.999693
7 42.876321 0.999688 0.999688
8 42.769623 0.999679 0.999679
9 43.501731 0.999729 0.999729
10 42.814954 0.999683 0.999683
11 42.835131 0.999684 0.999684
12 43.375576 0.999720 0.999720
13 42.628467 0.999668 0.999668
14 42.959773 0.999691 0.999692
15 43.070152 0.999699 0.999699
16 42.551532 0.999660 0.999661
17 42.410728 0.999649 0.999649
18 43.280877 0.999713 0.999713
19 42.529491 0.999662 0.999662
20 42.372863 0.999654 0.999654
21 43.105288 0.999710 0.999710
22 42.617172 0.999680 0.999680
23 42.536375 0.999676 0.999676
24 42.926806 0.999704 0.999704
25 42.396017 0.999666 0.999666
26 42.256007 0.999654 0.999654
27 43.184471 0.999722 0.999722
28 42.190230 0.999652 0.999653
29 42.655385 0.999688 0.999688
AVG 42.90612637 0.999690667 0.999690767

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OUTLINE
Video Encoder and D ecoder
Follow Processing
B uild Environment and plat f orm
Source code St ruct ure
B uild and R unning
R esult and Test ing
Open Source and Sharing

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Source
code
S h a r i n g a n d m o d i f y
Download and source code detail:
https://github.com/trongan93/viplab-videocoding-mpeg2
Modify and sharing by ViP Lab - NCNU
Download from this link or use command line
git clone https://github.com/trongan93/viplab-videocoding-mpeg2.git

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CONCLUSION
Thanks for your listening!
Q&A