Microchip PolarFire® FPGA H.264 Encoder IP User Guide
Nhanganyaya
H.264 inofarirwa mavhidhiyo ekutsikirira chiyero chedhijitari vhidhiyo. Iyo inozivikanwa zvakare seMPEG-4 Part10 kana Yepamberi Vhidhiyo Coding (MPEG-4 AVC). H.264 inoshandisa block wise approach yekudzvanya vhidhiyo apo saizi yebhuroko inotsanangurwa se 16×16 uye block yakadai inonzi macro block. Iyo compression standard inotsigira akasiyana profiles inotsanangura chiyero chekumanikidza uye kuoma kwekuita. Vhidhiyo mafuremu ekumanikidzwa anobatwa seI furemu, P furemu uye B furemu. An I furemu intra-coded furemu uko kudzvanya kunoitwa nekushandisa ruzivo rwuri mukati mefuremu. Hapana mamwe mafuremu anodiwa kuti adecode I furemu. AP furemu inomanikidzwa nekushandisa shanduko neruremekedzo kune yekutanga furemu inogona kuve I furemu kana P furemu. Kutsikirirwa kweB furemu kunoitwa nekushandisa shanduko yekufamba neruremekedzo kune ese ekutanga furemu uye inouya furemu.
Iyo I frame compression process ine ina stages-Intra kufanotaura, Integer shanduko, Quantization uye Entropy encoding. H.264 inotsigira marudzi maviri eencoding—Context Adaptive Variable Length Coding (CAVLC) uye Context Adaptive Binary Arithmetic Coding (CABAC). Iyo yazvino vhezheni yeIP inoshandisa Baseline profile uye inoshandisa CAVLC ye entropy encoding. Zvakare, iyo IP inotsigira encoding yeIni chete mafuremu.
Key Features
- Inoshandisa compression paYCbCr 420 vhidhiyo fomati
- Tinotarisira kuiswa muYCbCr 422 vhidhiyo fomati
- Inotsigira 8-bit kune chimwe nechimwe chikamu (Y, Cb, uye Cr)
- ITU-T H.264 Annex B inoenderana neNAL byte stream kubuda
- Kushanda kwakamira, CPU, kana processor rubatsiro haidiwe
- Mushandisi anogadziriswa mhando yeQP panguva yekumhanya nguva
- Kuverenga pamwero wepixel 1 pawachi
- Inotsigira kudzvanya kusvika pakugadziriswa kwe1080p 60 fps.
Mhuri Dzakatsigirwa
- PolarFire® SoC FPGA
- PolarFire® FPGA
Hardware Implementation
Nhamba inotevera inoratidza H.264 I frame Encoder IP block diagram.
Mufananidzo 1-1. H.264 I Frame Encoder IP Block Diagram
Zvinopinza uye Zvinobuda
Tafura iri pasi apa inoronga zvekupinza nekubuda kweH.264 Frame Encoder IP.
Tafura 1-1. Zvekupinda nezvinobuda zveH.264 I Frame Encoder IP
| Zita rechiratidzo | Direction | Upamhi | Port Inoshanda Under | Tsanangudzo |
| RESET_N | Input | 1 | — | Active-low Asynchronous reset chiratidzo kune dhizaini. |
| SYS_CLK | Input | 1 | — | wachi yekuisa iyo mapixels anouya ari sampakatungamirirwa. |
| DATA_Y_I | Input | 8 | — | 8-bit Luma pixel kuiswa mune 422 fomati. |
| DATA_C_I | Input | 8 | — | 8-bit Chroma pixel yekupinda mune 422 fomati. |
| DATA_VALID_I | Input | 1 | — | Isa Pixel data siginecha inoshanda. |
| FRAME_END_I | Input | 1 | — | End of Frame chiratidzo. |
| FRAME_START_I | Input | 1 | — | Kutanga kweChiratidzo cheFremu. Mupendero unokwira wechiratidzo ichi unoonekwa sekutanga kwefuremu. |
| HRES_I | Input | 16 | — | Horizontal resolution yemufananidzo wekupinda. Inofanira kuva yakawanda ye16. |
| VRES_I | Input | 16 | — | Kugadziriswa kwemufananidzo wekupinda. Inofanira kuva yakawanda ye16. |
| QP_I | Input | 6 | — | Quality factor yeH.264 quantization. Ukoshi hunotangira pa0 kusvika pa51 apo 0 inomiririra mhando yepamusoro-soro uye kutsikirirwa kwakaderera uye 51 inomiririra kudzvanyirirwa kwepamusoro. |
| DATA_O | Output | 8 | — | H.264 encoded data output ine NAL unit, slice header, SPS, PPS, uye encoded data of macro blocks. |
| DATA_VALID_O | Output | 1 | — | Chiratidzo chinoratidza data yakavharwa inoshanda. |
Configuration Parameters
Iyo H.264 I Frame Encoder IP haishandisi zvigadziriso.
Hardware Implementation of H.264 I Frame Encoder IP
Nhamba inotevera inoratidza H.264 I Frame Encoder IP block diagram.
Mufananidzo 1-2. H.264 I Frame Encoder IP Block Diagram
Tsanangudzo Yekugadzira yeH.264 I Frame Encoder IP
Ichi chikamu chinotsanangura akasiyana emukati mamodules eH.264 I furemu jenareta IP. Kupinza data kuIP kunofanirwa kunge kuri muchimiro che raster scan mufananidzo muYCbCr 422 fomati. Iyo IP inoshandisa 422 fomati sekuisa uye inoshandisa compression mu420 fomati.
16 × 16 Matrix Framer
Iyi module inogadzira 16 × 16 macro blocks yeY chikamu maererano neH.264 tsanangudzo. Mabhafa emutsetse anoshandiswa kuchengeta mitsara gumi nematanhatu yakachinjika yemufananidzo wekupinza uye 16 × 16 matrix inogadzirwa uchishandisa mashift register.
8 × 8 Matrix Framer
Iyi module inogadzira 8 × 8 macro blocks eC chikamu maererano neH.264 yakatarwa ye420 fomati. Line buffers dzinoshandiswa kuchengetedza mitsetse 8 yakachinjika yemufananidzo wekupinza uye 8 × 16 matrix inogadzirwa uchishandisa mashift register. Kubva pa8 × 16 matrix, iyo Cb uye Cr zvikamu zvakapatsanurwa kugadzira yega yega 8 × 8 matrix.
4 × 4 Matrix Framer
Iyo integer shanduko, quantization, uye CAVLC encoding inoshanda pane 4 × 4 sub-block mukati me macro block. Iyo 4 × 4 matrix framer inogadzira 4 × 4 sub-block kubva ku16 × 16 kana 8 × 8 macro block. Iyi jenareta yematrix inotenderera nepakati pese ma-sub-blocks e-macro block isati yaenda kune inotevera macro block.
Intra Prediction
H.264 inoshandisa dzakasiyana-siyana intra-prediction modes kuderedza ruzivo mu 4 × 4 block. Iyo intra-prediction block muIP inoshandisa chete DC kufanotaura pane 4 × 4 matrix saizi. Iyo DC chikamu chinoverengerwa kubva padyo kumusoro uye kuruboshwe 4 × 4 zvidhinha.
Integer Shanduko
H.264 inoshandisa integer discrete cosine shanduko panogoverwa macoefficients pane integer transform matrix uye quantization matrix zvekuti hapana kuwanda kana kupatsanurwa mukushandurwa kweinhamba. Nhamba inoshandura stage inoshandisa shanduko uchishandisa shift uye kuwedzera mashandiro.
Quantization
Iyo quantization inowanza yega yega inobuda yeinhamba yeshanduko ine predetermined quantization kukosha kunotsanangurwa neQP mushandisi wekuisa kukosha. Nhamba ye QP kukosha inobva ku0 kusvika 51. Chero kukosha kudarika 51 ndiko clamped kusvika 51. Yakaderera QP kukosha inoreva kudzvanya kwakaderera uye mhando yepamusoro uye zvakasiyana.
CAVLC
H.264 inoshandisa marudzi maviri eentropy encoding—Context Adaptive Variable Length Coding (CAVLC) uye Context Adaptive Binary Arithmetic Coding (CABAC). Iyo IP inoshandisa CAVLC yekukodha iyo quantized inobuda.
Musoro jenareta
Iyo yemusoro jenareta block inogadzira iyo block misoro, zvimedu misoro, Sequence Parameter Set (SPS), Mufananidzo Parameter Set (PPS), uye Network Abstraction Layer (NAL) unit zvichienderana nemuenzaniso wevhidhiyo furemu.
H.264 Stream Jenareta
H.264 stream generator block inosanganisa CAVLC inobuda pamwe chete nemusoro kuti igadzire encoded inobuda maererano neH.264 standard format.
Testbench
Testbench inopiwa kutarisa kushanda kweH.264 I frame Encoder IP.
Simulation
Iyo simulation inoshandisa 224 × 224 mufananidzo muYCbCr422 fomati inomiririrwa nembiri. files, imwe neimwe yeY uye C sekuisa uye inoburitsa H.264 file fomati ine mafuremu maviri. Matanho anotevera anotsanangura maitiro ekutevedzera musimboti uchishandisa testbench.
- Enda kuLibero SoC Catalog > View > Windows > Catalog, uye wobva wawedzera Solutions-Vhidhiyo. Tinya kaviri H264_Iframe_Encoder, wobva wadzvanya OK.
Mufananidzo 2-1. H.264 I Frame Encoder IP Core muLibero SoC Catalog - Enda kune Files tab uye sarudza simulation > Import Files.
Mufananidzo 2-2. Import Files - Ngenisa kunze H264_sim_data_in_y.txt, H264_sim_data_in_c.txt, uye H264_refOut.txt files kubva munzira inotevera: ..\\ component\Microsemi\SolutionCore\ H264_Iframe_Encoder\ 1.0.0\Stimulus.
- Kupinza zvakasiyana file, tsvaga folda ine zvinodiwa file, wobva wadzvanya Open. The imported file yakanyorwa pasi pekufananidza, ona mufananidzo unotevera.
Mufananidzo 2-3. Kubva kunze kwenyika Files - Enda kune Stimulus Hierarchy tab uye sarudza H264_frame_Encoder_tb (H264_frame_Encoder_tb. v) >
Tevedzera Pre-Synth Dhizaini> Vhura Interactively. IP inofananidzwa nemafuremu maviri.
Mufananidzo 2-4. Simulating Pre-Synthesis Dhizaini
ModelSim inotanga ne testbench file sezvinoratidzwa mumufananidzo unotevera.
Mufananidzo 2-5. ModelSim Simulation Window
Cherechedza: Kana iyo simulation ikakanganiswa nekuda kweiyo nguva yekumhanya inotsanangurwa muDO file, shandisa run -all command kupedzisa simulation.
License
H.264 I frame Encoder IP inopihwa mu encrypted form chete pasi perezinesi.
Installation Instructions
Iyo yakakosha inofanirwa kuiswa muLibero SoC software. Inoitwa otomatiki kuburikidza neCatalog yekuvandudza basa muLibero SoC software, kana iyo CPZ file inogona kuwedzerwa nemaoko uchishandisa iyo Add Core catalogue chimiro. Panguva iyo CPZ file yakaiswa muLibero, iyo musimboti inogona kugadzirwa, kugadzirwa, uye nekumisikidzwa mukati meSmartDesign kuti ibatanidzwe muLibero purojekiti.
Kuti uwane mamwe mirairo yekumisikidza kwepakati, kupihwa rezinesi, uye kushandisa zvakajairika, ona Libero SoC Online Rubatsiro.
Resource Utilization
Tafura inotevera inoronga mashandisirwo ezviwanikwa zve asample H.264 I frame Encoder IP design yakagadzirirwa PolarFire FPGA (MPF300TS-1FCG1152I pasuru) uye inogadzira data yakamanikidzwa nekushandisa 4:2:2 s.ampnguva yedata rekuisa.
Tafura 5-1. Resource Kushandiswa kweH.264 I Frame Encoder IP
| Element | Usage |
| 4LUTs | 15160 |
| DFFs | 15757 |
| LSRAM | 67 |
| µSRAM | 23 |
| Math Blocks | 18 |
| Interface 4-inopinza LUTs | 3336 |
| Interface DFFs | 3336 |
Revision History
Tafura yenhoroondo yekudzokorora inotsanangura shanduko dzakaitwa mugwaro. Kuchinja kwacho kunorongwa nekudzokorora, kutanga nebhuku razvino uno.
| Kudzokorora | Date | Tsanangudzo |
| A | 01/2022 | Kuburitswa kwekutanga kwegwaro. |
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Tel: 86-27-5980-5300
China - Xian
Tel: 86-29-8833-7252
China - Xiamen
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
Singapowo
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
EUROPE
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 - Kuchera
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
Nhare: 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
Zvinyorwa / Zvishandiso
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Microchip PolarFire® FPGA H.264 Encoder IP [pdf] Bhuku reMushandisi PolarFire FPGA Encoder, H.264 Encoder, FPGA H.264 Encoder, Encoder IPIP |
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MICROCHIP PolarFire FPGA H.264 Encoder IP [pdf] Bhuku reMushandisi PolarFire FPGA H.264 Encoder IP, PolarFire FPGA, H.264 Encoder IP |
