CodecVisa - Codecian
Contents
1. Slice Header slice 1 D first mb in slice Frame 62 Dec 61 SliceHdr 5 slice type 0 lt pic parameter set id 33 lt frame num if pic order cnt 0 122 lt pic order cnt if slice type P slice type SP slice type 1220 220 219 218 218 217 216 216 215 215 214 213 1220 220 219 218 1218 217 216 216 215 215 214 213 1219 219 218 217 1217 216 215 215 1214 214 213 212 1219 219 218 217 1216 216 215 214 1214 213 212 212 4 4 4 1218 218 217 216 216 215 214 214 213 213 212 211 1218 218 217 216 215 215 214 213 213 212 211 210 1217 217 216 215 214 214 213 212 212 211 210 209 1216 216 215 214 214 213 212 212 211 210 209 209 n ref pic list reordering ref idc 0 if entropy coding mode flag amp amp slice_type I amp amp slice 1 slice meme m 4 4 4 1216 216 215 214 213 213 212 211 210 210 209 208 1215 215 214 213 213 212 211 210 210 209 208 208 1214 214 213 212 212 211 210 209 209 208 207 207 i Ll Display Control p Select YUV componet Bit Plane 1214 213 212 212 1211 210 209 209 1208 208 207 206 Y Component Histogram For decoded picture 4p 4 4 coe F Bi 1213 213 212 211 210 210 209 208 207 207 206 205 212 212 22. for J MB OP for www codecian com Page 22
3. 010 5 18 release CodecVisa provides users with a unique visual representation of the encoded video features and stream structure analysis Here is the list for main features H 264 AVC H264Visa Main Features Profiles amp Levels Baseline Main Extended High profiles on all levels for standard version Baseline Main Extended High profiles on all levels Frame only for Mobile version Baseline profile on all levels for Baseline version File formats H 264 Byte Stream format Annex B H 264 in RTP format flash flv f4v file formats MKV Matroska Video file formats MP4 3GP MA4V file formats mpeg ts file format including mpeg2 ts for ISDB T 1seg Full Playback Mode including Display Order Playback Play Pause FF FR StepForward StepBackward Decoding Order Playback Play Pause FF StepForward Fully Support for Data Partitions I P B MB insight analysis including mb type intra inter prediction info ref list LP filter strength info I P B MB mode overlay display MB Search can locate and count the number of MB type by MB type group mb bits etc MB pixel info and picture display in all decoding stages including Finally decoded pixels Pixels before Deblocking Filter Predicted Pixels Pixels info from residual data IDCT coefficients Pixels in Reference YUV data The pixel difference between Reference YUV and finally decoded picture www codecian com Page
4. 11 210 209 209 208 207 206 206 206 205 Component B2 211 211 210 210 209 208 207 207 206 206 205 204 211 211 210 209 1209 208 207 206 206 206 205 204 Statistics Off 4 E zzzzzzzzzzzzzzzzzzzzzr MB Number BS C MB QP Iv B6 1120 120 120 120 1120 120 120 120 C 1120 120 120 120 1120 120 120 120 1 B7 1120 120 120 120 1120 120 120 120 1120 120 120 120 1120 120 120 120 1120 120 120 120 1120 120 120 120 1 1120 120 120 120 1120 120 120 120 1120 120 120 120 1120 120 120 120 Ki ET M 2 ok 5 2 Open a file CodecVisa supports files with 5 stream types for H 264 AVC Annex B raw data Mpeg TS stream Mp4 3gp stream FLV stream MKV Webm stream VP8 IVF raw data For the non raw data streams CodecVisa will retrieve the H 264 AVC or VP8 data and save to raw data files first and then open the saved data for further analysis www codecian com Page 9 H 264 AVC and 8 Analyzer for Professionals and researchers New files can be opened from the file menu the open icon in the tool bar or dragging directly into CodecVisa 5 3 Playback Modes CodecVisa supports STOP PLAY STEP Forward STEP Backward FF and FR playback modes Here is the explanation on those modes from left to right S
5. 12 140 152 150 141 140 153 161 166 172 156 173 214 231 96 77 93 127 1 1133 160 185 133 213 216 206 137 Z214 Z26 223 778 1107 85 100 132 146 155 162 162 182 1390 133 132 173 214 226 225 75 91 125 124 158 198 213 229 218 209 205 219 226 228 228 120 1139 119 121 124 126 126 124 113 118 118 121 1124 127 127 125 119 118 118 121 124 127 127 125 Tbeb 2b 120 ez es les em ee 121 120 120 123 1126 129 129 128 1l23 122 122 125 128 131 131 1293 ce l23 122 122 124 127 123 1253 127 138 135 133 137 135 133 133 136 140 1427 142 139 136 133 133 134 e Difference between Finally Decoded Pixel and the Original Reference YUV Pixel info H 264 AVC only Here is a picture of Predicted Pixel info Note For viewing convenience CodecVisa provides different font sizes in pixel info dialog too here is the screenshot for font size changing from popup menu right click www codecian com Page 12 H 264 AVC and 8 Analyzer for Professionals and researchers Select All Change Font Size 5 4 4 Stream Summary Info CodecVisa exports some stream parameters as well as some statistics info based on them into Summary Dialog for convenience Here is a picture of Picture Summary SU Mm mary Picture Mo Picture Order Count Decoding Ma Picture Type Slices Data Partition Picture Size 176 144 Encoding Type CAB AC Here is a picture of Statis
6. 3 H 264 AVC and 8 Analyzer for Professionals and researchers e Detailed statistics info Bit numbers for the picture amp encoding rate Average MB bits amp Average QP MB bit histogram per mb type Encoding tools detection e Overlay display on Bit numbers for each MB QP QPC for each MB Block Structures Motion Vectors e Header Info including SPS tree PPS tree SEI tree Slice Header tree e File Structure Analysis including MPEG2 TS packet tree MPEG2 PES packet tree MP4 3GP Box tree FLV tag tree MKV Matroska element tree e Dump decoded YUV output Pixel MB NAL SPS PPS SEI Slice Header info into file e ISDB T 1Seg spec check on H 264 AVC Video VP8 Main Features e File formats Webm MKV Matroska Video formats IVF file format e Full Playback Mode including Play Pause FF FR StepForward StepBackward e P B MB insight analysis including mb type intra inter prediction info ref list I P MB mode overlay display e MB pixel info and picture display in all decoding stages including Finally decoded pixels Pixels before Loop filter Predicted Pixels Pixels info from residual data IDCT coefficients e Detailed statistics info Bit numbers for the picture amp encoding rate Average MB bits e Overlay display on Bit numbers for each MB www codecian com Page 4 H 264 AVC and 8 Analyzer for Professionals and researchers Block Structu
7. C and 8 Analyzer for Professionals and researchers e Picture before Deblocking Filter Frame e Predicted Picture e Residual Picture www codecian com Page 15 H 264 AVC and 8 Analyzer for Professionals and researchers Frame r 5 6 MB Search H 264 AVC only CodecVisa supports search on MB level with the following criteria e types NxN Skip etc e Statistic values with mb bits QP value e and group with MBs P MBs etc Here is a screen shot search on NxN with markout www codecian com Page 16 H 264 AVC and 8 Analyzer for Professionals and researchers Search MB Search Type Category Pb amp Search q 0 Cancel v Mark nut Result Ehe num of this type 156 5 7 Screen Overlays CodecVisa supports Screen Overlays on MB Bits Motion Vectors MB structures MB Types Here is the screen shot for Motion Vectors Frame 66 www codecian com Page 17 H 264 AVC and 8 Analyzer for Professionals and researchers Here is the screen shot for Slice Group Type 2 foreground leftover slice group 5 8 Comparison with reference YUV files H 264 AVC only CodecVisa supports the comparison between the original Reference YUV picture and finally decoded YUV picture as well as the related PNS
8. H 264 AVC and 8 Analyzer for Professionals and researchers CodecVisa H 264 AVC amp VP8 Codec analysis software User Manual The information contained herein is the property of Codecian Inc and is supplied without liability for errors or omissions No part may be reproduced used or disclosed except as authorized by the Software License Agreement given in the installation package The copyright and the foregoing restriction on reproduction use or disclosure extend to all media in which this information may be embodied CodecVisa Customer Support If you have any questions concerning this software please write an email to codecvisa codecian com www codecian com Page 1 H 264 AVC and 8 Analyzer for Professionals and researchers 1 RETE 3 2 Target Applications ue Ka SIDPREE 6 3 Software Hardware ucieseisekeerkssk EE Rai x waa KRxiXU ESEE MESE i Rc eese 7 4 Installation and License eee eee 8 5 Use of CodecVisa 2 9 www codecian com Page 2 H 264 AVC and 8 Analyzer for Professionals and researchers 1 Introduction CodecVisa is a powerful real time analytical tool for H 264 AVC and VP8 products It can analyze baseline main extended profiles on H 264 AVC streams based on ITU T Rec H 264 03 2005 as well as VP8 streams based on 2
9. R calculation Here is the screen shot for the difference between encoded picture and the original YUV picture Frame r 5 9 Container File Structures CodecVisa provides detailed Container File Structures for mpeg2 ts file mp3 3gp file and flv f4v file MKV Webm file Here is the screen shot for a mp4 file structure www codecian com Page 18 H 264 AVC and 8 Analyzer for Professionals and researchers Size 10312 z Fvpe mooy E mhd iods trak size 10175 z type trak E tkhd mdia size 10075 type mdia E mdhd el hdlr El minf size 9980 type minf gt size 20 z type vmhd e graphicsmode 0 is opcolor 0 0 0 E is the screen shot for mpeg2 TS PES structure www codecian com Page 19 264 and VP8 Analyzer for Professionals and researchers EI PES packet PID 337 packet start code prefix 0x001 stream id 224 z PES scrambling contral 0 PES priority 0 T data alignment indicator 0 copyright 0 z original or 0 DTS flags 2 ESCR flag 0 z ES rate flag 0 T trick made Flag 0 additional copy info Flag 0 PES flag 0 PES extension Flag 0 PES header data length 5 0 PTS 12012 E PES packet PID 337 F PES packet PID 337 E PES packet PID 337 5 10 ISDB T 1Seg Spec Check CodecVisa supports spec ch
10. chasing and registration please access http www codecian com buy html After downloading CodecVisa Installation Package please follow the installation instruction to install it The registration is done only after CodecVisa is installed with the following steps 1 Run CodecVisa 2 Input the registration key in the Register CodecVisa dialog 3 Push OK button Or you can register it later at CodecVisa Help Menu Register Linux WINE please set the setup exe to be executable before setup it www codecian com Page 8 264 and VP8 Analyzer for Professionals and researchers 5 Use of CodecVisa 5 1 Window Elements C Project h264visa screenshot test_ main File Info Tools View Help S w u 5 e r m s e Bires Summary Picture Stream Files E ejw Final Pre LoopFilter Predicted Residual MB Info Pred Info RefList Info Bs Info MB zur 1 Picture Location 144 16 Picture Order Count Slice No gd Decoding No Slice Type P Slice Picture Type MB type E aera e 41 File Pos Oxl7B9E 7 No ref yuv file Picture Size 320x192 Encoding Type CABAC Data 4 Oxff Pixel Info Pre LoopFiker Predicted Residual Coef Orig vuv Fu gt Header Info Na ses 5 SEI
11. eck for ISDB T 15 DTV video Here is the check result screen shot for a non ISDB T 1Seg h 264 A VC video ISDB T 15eg Check Failed x 5 11 Field Display H264Visa Standard Version only CodecVisa supports field display Here are the buttons associated with this feature amp s t Meaning of those buttons are from left to right Frame display Top Field Bottom Field Vertical Scale for Field Displas Those buttons are valid for streams with field picture inside www codecian com Page 20 H 264 AVC and 8 Analyzer for Professionals and researchers 5 12 Other Features 5 12 1 Picture Component Analyzer CodecVisa can analyze pixels on YUV component or on bit plane base Here is an screen shot on Y only analysis Frame Select YUY componet Bit Plane Iv Y Component Iv B uU Componet W Bil Iw B2 L M Statistics off Iv BIT Mumber we MB OP Ij OPCr MB 5 12 2 Histogram Graph CodecVisa supports histogram on frame basis for video quality enhancement Here 15 a screen shot www codecian com Page 21 H 264 AVC and 8 Analyzer for Professionals and researchers Frame Histogram For decoded picture 5 12 3 Main Popup Menu The following is the Popup Menu for CodecVisa main window Statistics ott Select Components MB Bit Number ISDB T 15eg Check MB GP for Y Container Structure GP
12. res Motion Vectors e Header Info including Frame Header tree e File Structure Analysis including Webm MKV Matroska element tree e Dump decoded YUV output Pixel MB info into file www codecian com Page 5 H 264 AVC and 8 Analyzer for Professionals and researchers 2 Target Applications Users of CodecVisa include e Semiconductor device designers and manufacturers Video conferencing amp communications Corporate and training video Mobile video Web streaming Video applications software Education and Research www codecian com Page 6 H 264 AVC and 8 Analyzer for Professionals and researchers 3 Software Hardware requirements CodecVisa has the following minimum hardware and software requirements SSE enhanced CPU Intel Pentium Ill or above Celeron AMD Athlon Opteron etc e DirectX 7 0 or higher compatible VGA card with 32 bit display at 1024 x768 or higher e Windows 2000 XP Vista 1G RAM or higher CodecVisa has been tested on Linux with WINE simulator Here are the settings Distribution Ubuntu 10 04 WINE version wine 1 1 42 www codecian com Page 7 H 264 AVC and 8 Analyzer for Professionals and researchers 4 Installation and Licensing All the installing copying updating CodecVisa must follow and agree to the terms of CodecVisa End User License Agreement EULA For VP8 codec itself please check the LICENSE file under the installation folder For pur
13. st of current Here is a screen shot of Pred Info MB Info MB Info PredInfo RefList Info Bs Info MB 26 6 1 Location Slice Mo slice Type I Slice Type 0031 4x4 Mumlibh Part HMbPartSize il6 16 Intra Mode Info Y is Intradx PredMode C7 VertLett Vertical ZIDE ZIDE rd jDiagbownBight ZIDE i31DiacgbaouwnLetft 7 VertLeft Oj Vertical 21 DC U W are O 8xE Chroma DE 5 4 3 Pixel Info CodecVisa provides very detailed pixel info for each Macroblock Seven categories are currently supported Final Decoded Pixel info Pixel info before Deblocking Filter Predicted Pixel info Residual Pixel info DCT Coefficient info 5 Vert hight i31 DiagbaownLetft Zi DC Oj Vertical Original Reference YUV Pixel info H 264 AVC only www codecian com Page 11 Pixel Info Final Pre LoopFilter Predicted Residual Coet Orig YUY Final Orig 63 Fosition 10 146 141 149 152 151 143 152 146 139 136 132 132 156 186 138 148 l45 144 150 152 151 150 151 146 100 116 148 164 163 171 133 138 134 130 139 151 145 140 133 130 123 124 140 152 155 152 120 173 155 130 129 151 143 142 135 131 123 124 140 142 140 123 398 148 160 125 122 147 151 146 136 131 123 124 140 141 121 125 113 176 155 125 1139 146 153 143 138 131 123 124 140 148 130 146 150 218 1295 100 1
14. tics Summary for H 264 AVC Standard and Mobile Solution version www codecian com Page 13 H 264 AVC and 8 Analyzer for Professionals and researchers Summary Picture Stream Statistics Picture statistics Picture Bibsi 1 648 106 bytes Picture Address z X146 Encoding Rate 1 358 mb total bits Foe mb bitsftotal bits 0 922 Average Bits MB y 898 29 667 ME statistics Count Total Bits Bibs MB foe HDB LO 16 16 17 17 00 0236 11 16 16 223 10 62 73 6 16 16 636 L1 L1 16x8 7B Li L1 8x16 56 LO Li_16x8 71938 Bi L1 8x15 LB Skip 58 1 Picture Bits are pure picture nal size without counting SPS PPSI Picture Address are the starting address For the First slice MAL EI 5 5 Display on difference decoding stages CodecVisa provides the unique feature of displaying those intermediate picture reconstructed in different decoding stages Now 4 stages are supported e Finally Decoded Picture e Picture before Deblocking Filter e Predicted Picture and e Residual Picture with visual enhancement Besides that CodecVisa also provides the display on H 264 AVC only e Original Reference YUV Picture e Difference between Finally Decoded Picture and Reference YUV Picture If the user provide the reference YUV Picture Here are some screen shots of this feature on the same decoded frame e Final Decoded Picture www codecian com Page 14 H 264 AV
15. top Play Pause Step Forward Step Backward Fast Forward Fast Rewind 5 4 Stream Info CodecVisa exports stream Header Info MB Info MB Pixel Info and Stream Summary Info All of them will be explained the each sections 5 4 1 Header Info CodecVisa will display all stream info in their own info trees The format of each item in the info tree is Value parameter name Here is an example of SPS tree Header Info MAL 525 pps 5 5 66 lt profile idc 1 constraint setO Flag 1 constraint setl Flag lt constraint sete Flag O z constraint seks Flag 0 lt reserved zero 4bits 12 lt level_ ide 0 lt seq parameter set id 3 z lagz max frame num minus4 2 order cnt 3 lt num ref frames 0 z gaps in Frame value allowed Flag 19 lt width in mbs minus 11 z pic height in units minus tis Frame mbs anlv Flag 1 z direck 5 6 inference Flag 1 frame cropping Flag 1 vui parameters present flag www codecian com Page 10 H 264 AVC and 8 Analyzer for Professionals and researchers 5 4 2 MB Info CodecVisa organizes MB in four categories e General Info for MB type location bit number stream data etc Pred Info for detailed Inter Intra prediction information e Reflist Info H264 AVC only for detailed reference list of the current slice BS Info if there is for the Boundary Strength li
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