MICROCHIP PolarFire H.264 I-Frame Encoder IP User Guide

H.264 ndi wotchuka kanema psinjika muyezo wa psinjika kanema digito. Imadziwikanso kuti MPEG-4 Part10 kapena Advanced Video Coding (MPEG-4 AVC). H.264 amagwiritsa ntchito chipika wanzeru njira compressing kanema kumene chipika kukula kumatanthauzidwa ngati 16×16 ndi chipika wotero amatchedwa chachikulu chipika. Ma compression standard amathandizira ma pro osiyanasiyanafiles zomwe zimatanthawuza chiŵerengero cha kuponderezana ndi zovuta za kukhazikitsa. Mafelemu amakanema kuti apanikizidwe amatengedwa ngati I-Frame, P-Frame ndi B-Frame. I-Frame ndi chimango cha intra-coded chomwe kuponderezana kumachitika pogwiritsa ntchito zomwe zili mkati mwa chimango. Palibe mafelemu ena omwe amafunikira kuti adziwe I-Frame. A P-Frame amapanikizidwa pogwiritsa ntchito zosintha polemekeza chimango choyambirira chomwe chingakhale I-Frame kapena P-Frame. Kuphatikizika kwa B-Frame kumachitika pogwiritsa ntchito kusintha koyenda molingana ndi chimango choyambirira komanso chimango chomwe chikubwera. Njira yopondereza ya I-Frame ili ndi ma s anayitages-Intra kulosera, Integer kusintha, Quantization ndi Entropy encoding. H.264 imathandizira mitundu iwiri ya encoding–Context Adaptive Variable Length Coding (CAVLC) ndi Context Adaptive Binary Arithmetic Coding (CABAC). Mtundu waposachedwa wa IP umagwiritsa ntchito Baseline profile ndipo amagwiritsa ntchito CAVLC polemba entropy. Komanso, IP imathandizira kuyika kwa ma I-Frames okha.
Zofunika Kwambiri

Imakhazikitsa kupsinjika pamtundu wa kanema wa YCbCr 420

Ikuyembekeza kulowetsedwa mumtundu wa kanema wa YCbCr 422
Imathandizira 8-bit pagawo lililonse (Y, Cb, ndi Cr)

ITU-T H.264 Annex B imagwirizana ndi NAL byte stream kutulutsa
Kugwira ntchito moyima, CPU, kapena purosesa sikufunika

Wosuta configurable quality factor QP panthawi yothamanga
Kuwerengera pamlingo wa pixel 1 pa koloko

Imathandizira kukanikiza mpaka 1080p 60fps

Mabanja Othandizidwa

PolarFire® SoC FPGA
PolarFire® FPGA

Kukhazikitsa kwa Hardware

Chithunzi chotsatira chikuwonetsa chipika cha H.264 I-Frame Encoder IP block.
Chithunzi 1-1. Chithunzi cha H.264 I-Frame Encoder IP Block

1.1 Zolemba ndi Zotuluka
Tebulo lotsatirali likuwonetsa madoko olowetsa ndi zotuluka a H.264 Frame Encoder IP.
Gulu 1-1. Malo Olowetsa ndi Kutulutsa a H.264 I-Frame Encoder IP

Dzina la Signal	Mayendedwe	M'lifupi	Port Zovomerezeka Pansi	Kufotokozera
RESET_N	Zolowetsa	1	—	Chizindikiro chokhazikika chokhazikika cha Asynchronous pamapangidwe.
SYS_CLK	Zolowetsa	1	—	Wotchi yolowetsa yomwe ma pixel olowera ali ndi sampLed.
DATA_Y_I	Zolowetsa	8	—	8-bit Luma kulowetsa kwa pixel mumtundu wa 422.
DATA_C_I	Zolowetsa	8	—	Kulowetsa kwa pixel ya 8-bit mumtundu wa 422.
DATA_VALID_I	Zolowetsa	1	—	Lowetsani data ya Pixel chizindikiro chovomerezeka.
FRAME_END_I	Zolowetsa	1	—	Mapeto a chimango chizindikiro.
FRAME_START_I	Zolowetsa	1	—	Chiwonetsero cha Frame. Kukwera m'mphepete mwa chizindikiro ichi kumatengedwa ngati chiyambi cha chimango.
HRES_I	Zolowetsa	16	—	Kusintha kopingasa kwa chithunzi cholowetsa. Ayenera kukhala angapo a 16.
VRES_I	Zolowetsa	16	—	Kusintha koyima kwa chithunzi cholowera. Ayenera kukhala angapo a 16.
QP_I	Zolowetsa	6	—	Quality factor for H.264 quantization. Mtengo wake umachokera ku 0 mpaka 51 pomwe 0 imayimira kuponderezana kwapamwamba kwambiri komanso kutsika kwambiri ndipo 51 imayimira kuponderezana kwakukulu.
DATA_O	Zotulutsa	8	—	H.264 encoded data output yomwe ili ndi NAL unit, slice header, SPS, PPS, ndi ma encoded data of macro blocks.
DATA_VALID_O	Zotulutsa	1	—	Siginali yolondolera deta yosungidwa ndiyovomerezeka.

1.2 Zosintha Zosintha
H.264 I-Frame Encoder IP sigwiritsa ntchito zosintha.
1.3 Kukhazikitsa kwa Hardware kwa H.264 I-Frame Encoder IP
Chithunzi chotsatira chikuwonetsa chipika cha H.264 I-Frame Encoder IP block.
Chithunzi 1-2. Chithunzi cha H.264 I-Frame Encoder IP Block

1.3.1 Kufotokozera Mapangidwe a H.264 I-Frame Encoder IP
Gawoli likufotokoza ma modules osiyanasiyana amkati a H.264 I-Frame Generator IP. Kuyika kwa data ku IP kuyenera kukhala ngati chithunzi cha raster scan mu mtundu wa YCbCr 422. IP imagwiritsa ntchito mawonekedwe a 422 monga cholowetsa ndikugwiritsa ntchito kuponderezedwa mumtundu wa 420.
1.3.1.1 16×16 Matrix Framer
Gawoli limapanga mafelemu a 16 × 16 macro blocks a Y chigawo chimodzi malinga ndi mafotokozedwe a H.264. Ma buffer a mizere amagwiritsidwa ntchito kusunga mizere yopingasa 16 ya chithunzi cholowera ndipo 16 × 16 matrix amapangidwa pogwiritsa ntchito zolembera zosintha.
1.3.1.2 8×8 Matrix Framer
Gawoli limakhazikitsa midadada ya 8 × 8 ya C chigawo monga pa H.264 mafotokozedwe amtundu wa 420. Ma buffer a mizere amagwiritsidwa ntchito kusunga mizere 8 yopingasa ya chithunzi cholowera ndipo matrix 8x16 amapangidwa pogwiritsa ntchito zolembera zosintha. Kuchokera pa 8 × 16 matrix, zigawo za Cb ndi Cr zimasiyanitsidwa kuti zikhazikitse matrix aliwonse a 8 × 8.
1.3.1.3 4×4 Matrix Framer
Kusintha kwakukulu, quantization, ndi encoding ya CAVLC imagwira ntchito pa 4 × 4 sub-block mkati mwa macro block. 4 × 4 matrix framer imapanga 4 × 4 sub-block kuchokera ku 16 × 16 kapena 8 × 8 macro block. Jenereta ya matrix iyi imadutsa muzitsulo zonse za macro block isanapite ku macro block yotsatira.
1.3.1.4 Kuneneratu Zapakatikati
H.264 imagwiritsa ntchito mitundu yosiyanasiyana yolosera kuti ichepetse chidziwitso mu block ya 4 × 4. Chotchinga cholosera mu IP chimagwiritsa ntchito kulosera kwa DC kokha pa kukula kwa matrix 4 × 4. Chigawo cha DC chimawerengedwa kuchokera pamwamba moyandikana ndikusiya midadada 4 × 4.
1.3.1.5 Integer Transform
H.264 imagwiritsa ntchito kusintha kophatikizana kosiyana kosiyana komwe ma coefficients amagawidwa pagulu lonse la masinthidwe onse ndi matrix a quantization kotero kuti pasakhale kuchulutsa kapena kugawikana pakusintha konsekonse. Nambala yosinthira stagimagwiritsa ntchito kusinthaku pogwiritsa ntchito kusintha ndi kuwonjezera ntchito.
1.3.1.6 Kuchulukitsa
Kuchulukirako kumachulukitsa kutulutsa kulikonse kwakusintha kwathunthu ndi mtengo wodziwikiratu wotanthauziridwa ndi mtengo wolowetsa wogwiritsa ntchito QP. Mtengo wa QP umachokera ku 0 mpaka 51. Mtengo uliwonse woposa 51 ndi clamped mpaka 51. Mtengo wotsika wa QP umatanthauza kuponderezedwa kwapansi ndi khalidwe lapamwamba komanso mosiyana.
1.3.1.7 CAVLC
H.264 imagwiritsa ntchito mitundu iwiri ya entropy encoding—Context Adaptive Variable Length Coding (CAVLC) ndi Context Adaptive Binary Arithmetic Coding (CABAC). IP imagwiritsa ntchito CAVLC polemba zomwe zatulutsidwa.
1.3.1.8 Jenereta Yamutu
Chida cha jenereta chamutu chimapanga mitu ya block, mitu yagawo, Sequence Parameter Set (SPS), Picture Parameter Set (PPS), ndi Network Abstraction Layer (NAL) unit kutengera chitsanzo cha kanema.
1.3.1.9 H.264 Stream Jenereta
Chida cha jenereta cha H.264 chimaphatikiza kutulutsa kwa CAVLC pamodzi ndi mitu kuti ipange zotulutsa zomwe zimasungidwa malinga ndi mtundu wa H.264.

Testbench

Testbench imaperekedwa kuti ione momwe H.264 I-Frame Encoder IP ikuyendera.
2.1 Kuyerekeza
Kuyerekeza kumagwiritsa ntchito chithunzi cha 224 × 224 mumtundu wa YCbCr422 woimiridwa ndi awiri. files, iliyonse ya Y ndi C monga cholowera ndipo imapanga H.264 file mawonekedwe omwe ali ndi mafelemu awiri. Zotsatirazi zikufotokoza momwe mungayesere pachimake pogwiritsa ntchito testbench.
1. Pitani ku Libero® SoC Catalog > View > Mawindo > Catalog, ndiyeno kukulitsa Mayankho-Video. Dinani kawiri H264_Iframe_Encoder, ndiyeno dinani Chabwino.
Chithunzi 2-1. H.264 I-Frame Encoder IP Core mu Libero SoC Catalog2. Pitani ku Files ndikusankha kuyerekezera > Tengani Files.
Chithunzi 2-2. Tengani Files3. Lowetsani H264_sim_data_in_y.txt, H264_sim_data_in_c.txt, ndi H264_refOut.txt files kuchokera munjira iyi: ..\ \ gawo\Microsemi\SolutionCore\H264_Iframe_Encoder\ 1.0.0\Stimulus.
4. Kuitanitsa zosiyana file, sakatulani chikwatu chomwe chili ndi zofunikira file, ndikudina Open. The imported file zalembedwa poyerekezera, onani chithunzi chotsatirachi.
Chithunzi 2-3. Zachokera kunja Files5. Pitani ku tabu ya Stimulus Hierarchy ndikusankha H264_frame_Encoder_tb (H264_frame_Encoder_tb. v) > Tsanzirani Pre-Synth Design > Open Interactively. IP imapangidwira mafelemu awiri.
Chithunzi 2-4. Kutengera Mapangidwe a Pre-Synthesis ModelSim imatsegula ndi testbench file monga momwe tawonetsera pa chithunzi chotsatirachi.
Chithunzi 2-5. Window yoyeserera ya ModelSim
Zindikirani: Ngati kayeseleledwe kadzasokonezedwa chifukwa cha nthawi yothamanga malire yotchulidwa mu DO file, gwiritsani ntchito run -all command kuti mumalize kuyerekezera.

Chilolezo

H.264 I-Frame Encoder IP imaperekedwa munjira yobisidwa pokhapokha ndi chilolezo.

Malangizo oyika

Pakatikati iyenera kukhazikitsidwa mu pulogalamu ya Libero SoC. Zimangochitika zokha kudzera mu Catalog update function mu Libero SoC software, kapena CPZ file ikhoza kuwonjezeredwa pamanja pogwiritsa ntchito Add Core catalog. Pamene CPZ file imayikidwa ku Libero, mazikowo amatha kukonzedwa, kupangidwa, ndikukhazikitsidwa mkati mwa SmartDesign kuti alowe nawo mu projekiti ya Libero.
Kuti mumve zambiri pakukhazikitsa koyambira, kupereka zilolezo, ndikugwiritsa ntchito pafupipafupi, onani Libero SoC Online Thandizo.

Kugwiritsa Ntchito Zida

Pansipa pali mndandanda wa kagwiritsidwe ntchito ka zinthu ngatiample H.264 I-Frame Encoder IP design yopangidwira PolarFire FPGA (MPF300TS-1FCG1152I phukusi) ndipo imapanga data yoponderezedwa pogwiritsa ntchito 4:2:2 sampnthawi yolowera data.
Gulu 5-1. Kugwiritsa Ntchito Zida za H.264 I-Frame Encoder IP

Chinthu	Kugwiritsa ntchito
4LUTS	15160
DFFs	15757
LSRAM	67
µSRAM	23
Masewera a Math	18
Interface 4-zolowetsa LUTs	3336
Mawonekedwe a DFF	3336

Mbiri Yobwereza

Tsamba lokonzanso mbiri yakale limafotokoza zosintha zomwe zidakhazikitsidwa muzolemba. Zosinthazo zandandalikidwa ndi kubwereza, kuyambira ndi zofalitsa zamakono.

Kubwereza	Tsiku	Kufotokozera
B	06/2022	Anasintha mutu kuchokera ku "PolarFire FPGA H.264 Encoder IP User Guide" kukhala "PolarFire FPGA H.264 I-Frame Encoder IP User Guide".
A	01/2022	Kusindikizidwa koyamba kwa chikalatacho.

Thandizo la Microchip FPGA

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Thandizo la Makasitomala
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Othandizira ukadaulo

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Chitetezo cha Microchip Devices Code

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Chidziwitso chazamalamulo

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Zizindikiro

Dzina la Microchip ndi logo, logo ya Microchip, Adaptec, AVR, logo ya AVR, AVR Freaks, BesTime, BitCloud, CryptoMemory, CryptoRF, dsPIC, flexPWR, HELDO, IGLOO, JukeBlox, KeeLoq, Kleer, LANCheck, LinkMD, maXStylus MediaLB, megaAVR, Microsemi, Microsemi logo, MOST, MOST logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, PolarFire, Prochip Designer, QTouch, SAM-BA, SenGenuity, SpyNIC, SST, SST Logo, SuperFlash, Symmetri , SyncServer, Tachyon, TimeSource, tinyAVR, UNI/O, Vectron, ndi XMEGA ndi zizindikiro zolembetsedwa za Microchip Technology Incorporated ku USA ndi mayiko ena.
AgileSwitch, APT, ClockWorks, The Embedded Control Solutions Company, EtherSynch, Flashtec, Hyper Speed Control, HyperLight Load, Libero, motorBench, mTouch, Powermite 3, Precision Edge, ProASIC, ProASIC Plus, ProASIC Plus logo, Quiet-Waya, SmartFusion, SyncWorld, Temux, TimeCesium, TimeHub, TimePictra, TimeProvider, TrueTime, ndi ZL ndi zizindikiro zolembetsedwa za Microchip Technology Incorporated ku USA.
Kuponderezedwa Kwachinsinsi, AKS, Analog-for-the-Digital Age, AnyCapacitor, AnyIn, AnyOut, Augmented Switching, BlueSky, BodyCom, Clockstudio, CodeGuard, CryptoAuthentication, CryptoAutomotive, CryptoCompanion, CryptoController, dsPICDEM, dsPICDEMAverage. , DAM, ECAN, Espresso T1S,
EtherGREEN, GridTime, IdealBridge, In-Circuit Serial Programming, ICSP, INICnet, Intelligent Paralleling, IntelliMOS, Inter-Chip Connectivity, JitterBlocker, Knob-on-Display, KoD, maxCrypto, maxView, memBrain, Mindi, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PowerSmart, PureSilicon, QMatrix, REAL ICE, RTAX , RTG4, SAM- ICE, Serial Quad I/O, simpleMAP, SimpliPHY, SmartBuffer, SmartHLS, SMART-IS, storClad, SQI, SuperSwitcher, SuperSwitcher II, Switchtec, SynchroPHY, Total Endurance, Trusted Time, TSHARC, USBCheck, VariSense, VectorBlox, VeriPHY, ViewSpan, WiperLock, XpressConnect, ndi ZENA ndi zizindikiro za Microchip Technology Incorporated ku USA ndi mayiko ena.
SQTP ndi chizindikiro cha ntchito cha Microchip Technology Incorporated ku USA
Chizindikiro cha Adaptec, Frequency on Demand, Silicon Storage Technology, ndi Symmcom ndi zizindikilo zolembetsedwa za Microchip Technology Inc. m'maiko ena.
GestIC ndi chizindikiro cholembetsedwa cha Microchip Technology Germany II GmbH & Co. KG, kampani ya Microchip Technology Inc., m'maiko ena.
Zizindikiro zina zonse zomwe zatchulidwa pano ndi zamakampani awo.
© 2022, Microchip Technology Incorporated ndi mabungwe ake. Maumwini onse ndi otetezedwa.
ISBN: 978-1-6683-0715-1

Quality Management System

Kuti mudziwe zambiri za Microchip's Quality Management Systems, chonde pitani www.microchip.com/quality.

Zogulitsa Padziko Lonse ndi Ntchito

AMERICAS	ASIA/PACIFIC	ASIA/PACIFIC	ULAYA
Ofesi Yakampani 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Othandizira ukadaulo: www.microchip.com/support Web Adilesi: www.microchip.com Atlanta Duluth, GA Tel: 678-957-9614 Fax: 678-957-1455 Austin, TX Tel: 512-257-3370 Boston Westborough, MA Tel: 774-760-0087 Fax: 774-760-0088 Chicago Itasca, IL Tel: 630-285-0071 Fax: 630-285-0075 Dallas Addison, TX Tel: 972-818-7423 Fax: 972-818-2924 Detroit Novi, MI Tel: 248-848-4000 Houston, TX Tel: 281-894-5983 Indianapolis Noblesville, PA Tel: 317-773-8323 Fax: 317-773-5453 Tel: 317-536-2380 Los Angeles Mission Viejo, CA Tel: 949-462-9523 Fax: 949-462-9608 Tel: 951-273-7800 Raleigh, NC Tel: 919-844-7510 New York, NY Tel: 631-435-6000 San Jose, CA Tel: 408-735-9110 Tel: 408-436-4270 Canada - Toronto Tel: 905-695-1980 Fax: 905-695-2078	Australia - Sydney Tel: 61-2-9868-6733 China - Beijing Tel: 86-10-8569-7000 China - Chengdu Tel: 86-28-8665-5511 China - Chongqing Tel: 86-23-8980-9588 China - Dongguan Tel: 86-769-8702-9880 China - Guangzhou Tel: 86-20-8755-8029 China - Hangzhou Tel: 86-571-8792-8115 China - Hong Kong SAR Tel: 852-2943-5100 China – Nanjing Tel: 86-25-8473-2460 China – Qingdao Tel: 86-532-8502-7355 China - Shanghai Tel: 86-21-3326-8000 China - Shenyang Tel: 86-24-2334-2829 China - Shenzhen Tel: 86-755-8864-2200 China - Suzhou Tel: 86-186-6233-1526 China - Wuhan Tel: 86-27-5980-5300 China - Xian Tel: 86-29-8833-7252 China – Xiameni Tel: 86-592-2388138 China – Zhuhai Tel: 86-756-3210040	India - Bangalore Tel: 91-80-3090-4444 India - New Delhi Tel: 91-11-4160-8631 India - Pune Tel: 91-20-4121-0141 Japan - Osaka Tel: 81-6-6152-7160 Japan - Tokyo Tel: 81-3-6880-3770 Korea - Daegu Tel: 82-53-744-4301 Korea - Seoul Tel: 82-2-554-7200 Malaysia - Kuala Lumpur Tel: 60-3-7651-7906 Malaysia - Penang Tel: 60-4-227-8870 Philippines - Manila Tel: 63-2-634-9065 Singapore Tel: 65-6334-8870 Taiwan - Hsin Chu Tel: 886-3-577-8366 Taiwan - Kaohsiung Tel: 886-7-213-7830 Taiwan - Taipei Tel: 886-2-2508-8600 Thailand - Bangkok Tel: 66-2-694-1351 Vietnam - Ho Chi Minh Tel: 84-28-5448-2100	Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4485-5910 Fax: 45-4485-2829 Finland - Espoo Tel: 358-9-4520-820 France - Paris Tel: 33-1-69-53-63-20 Fax: 33-1-69-30-90-79 Germany - Kujambula Tel: 49-8931-9700 Germany - Haan Tel: 49-2129-3766400 Germany - Heilbronn Tel: 49-7131-72400 Germany - Karlsruhe Tel: 49-721-625370 Germany - Munich Tel: 49-89-627-144-0 Fax: 49-89-627-144-44 Germany - Rosenheim Tel: 49-8031-354-560 Israel - Ra'anana Tel: 972-9-744-7705 Italy - Milan Tel: 39-0331-742611 Fax: 39-0331-466781 Italy - Padova Tel: 39-049-7625286 Netherlands - Drunen Tel: 31-416-690399 Fax: 31-416-690340 Norway - Trondheim Tel: 47-72884388 Poland - Warsaw Tel: 48-22-3325737 Romania-Bucharest Tel: 40-21-407-87-50 Spain - Madrid Tel: 34-91-708-08-90 Fax: 34-91-708-08-91 Sweden - Gothenberg Tel: 46-31-704-60-40 Sweden - Stockholm Tel: 46-8-5090-4654 UK - Wokingham Tel: 44-118-921-5800 Fax: 44-118-921-5820

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MICROCHIP PolarFire H.264 I-Frame Encoder IP [pdf] Buku Logwiritsa Ntchito
PolarFire H.264 I-Frame Encoder IP, PolarFire H.264, I-Frame Encoder IP, Encoder IP

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