CN102881306B - Method and device for transcoding video files - Google Patents
Method and device for transcoding video files Download PDFInfo
- Publication number
- CN102881306B CN102881306B CN201210327388.7A CN201210327388A CN102881306B CN 102881306 B CN102881306 B CN 102881306B CN 201210327388 A CN201210327388 A CN 201210327388A CN 102881306 B CN102881306 B CN 102881306B
- Authority
- CN
- China
- Prior art keywords
- video file
- source
- privately owned
- video
- yuv format
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000008676 import Effects 0.000 claims description 13
- 230000001186 cumulative effect Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000007596 consolidation process Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
Abstract
The invention provides a method and a device for transcoding video files, which are suitable for the field of video monitoring. The method provided by the invention comprises the following steps: importing a to-be-transcoded video file; intercepting private frame header information of the video file and judging whether source of the video file is known or not according to the private frame header information; and performing standardization coding treatment on the source-known video file and outputting transcoded data. According to the method and the device for transcoding the video files, transcoding can be uniformly performed on a source-known standard coding video file, a source-known nonstandard coding video file and a source-unknown video file; the video file recorded by devices manufactured by different manufacturers can be played in the same player after being transcoded, and does not need to apply matching players provided by the manufacturers, so that the problems of wrong playing caused by the devices of the manufacturers can be decreased.
Description
Technical field
The invention belongs to field of video monitoring, particularly relate to a kind of video file code-transferring method and device.
Background technology
In field of video monitoring, there is many different video monitoring equipment manufacturers, and the form adopted when different equipment vendors encode to video is different.When the video that the equipment will playing certain manufacturer is recorded, the player that this manufacturer provides must be depended on.
At present, play a video file, generally have two kinds of modes.One is the player using manufacturer to provide, but the video file that different video monitoring equipment is recorded can only be play in corresponding player, can not unify to play in same player.Two is use third party's video monitoring platform, if video monitoring platform does not access the equipment of this manufacturer, then cannot play.
Summary of the invention
The embodiment of the present invention provides a kind of video file code-transferring method, and the video file that the video monitoring equipment being intended to solve different vendor is recorded can only be play in corresponding player, and can not unify the problem of broadcasting in same player.
The embodiment of the present invention is achieved in that a kind of video file code-transferring method, and described method comprises the steps:
Import the video file treating transcoding;
Intercept the privately owned frame originating point information of video file, judge whether described video file source is known according to described privately owned frame originating point information;
Standard code process is carried out to the known video file in source, exports the data after transcoding.
Further, described the step that the known video file in source carries out standard code process specifically to be comprised:
Extract the information in the privately owned frame head of source known video file, privately owned frame head is removed;
The frame information of the video file removing privately owned frame head is analyzed;
Judge whether described frame information is standard code form, is, continue to extract next frame information and analyze, until analyze complete video file, otherwise first the number of times of profiling error is added 1, then continuation extraction next frame information is analyzed;
When cumulative errors number exceedes setting threshold, video file is converted to yuv format video file.
Further, described when cumulative errors number exceedes threshold value, step video file being converted to yuv format video file specifically comprises:
Again video file is imported;
Call the SDK of the equipment vendors recording described video file;
Utilize described SDK that this decode video files is become yuv format video file.
Further, described method also comprises:
When video file source is unknown, video file is converted to yuv format video file.
Further, when video file source is unknown, step video file being converted to yuv format video file specifically comprises:
Call the equipment vendors recording described video file and carry video file described in player plays;
To the continuous sectional drawing of picture in playing process;
Sectional drawing is generated yuv format video file.
Further, described method also comprises:
Described yuv format video file is carried out standard code.
The embodiment of the present invention additionally provides a kind of video file transcoding device, and described device comprises:
Video file imports unit, for importing the video file treating transcoding;
According to described privately owned frame originating point information, source video sequence judging unit, for intercepting the privately owned frame originating point information of video file, judges whether described video file source is known;
Standard code processing unit, for carrying out standard code process to the known video file in source, exports the data after transcoding.
Further, described standard code processing unit comprises:
Privately owned frame head removes module, for extracting the information in the privately owned frame head of source known video file, is removed by privately owned frame head;
Frame information analysis module, for analyzing the frame information of the video file removing privately owned frame head;
Coded format judge module, for judging whether described frame information is standard code form, is, continuing to extract next frame information and analyzing, until analyze complete video file, otherwise first the number of times of profiling error is added 1, then continuation extraction next frame information is analyzed;
Coded format modular converter, for when cumulative errors number exceedes setting threshold, converts yuv format video file to by video file.
Further, described coded format modular converter comprises:
SDK calls submodule, for calling the SDK of the equipment vendors recording described video file;
Decoding sub-module, becomes yuv format video file for utilizing described SDK by this decode video files.
Further, described device also comprises:
Video format conversion unit, for when video file source is unknown, converts yuv format video file to by video file.
Further, described video format conversion unit comprises:
Player calling module, carries video file described in player plays for calling the equipment vendors recording described video file;
Screen capture module, in playing process to the continuous sectional drawing of picture;
Format converting module, for generating yuv format video file by sectional drawing.
Further, described device also comprises:
Yuv format coding unit, for carrying out standard code by described yuv format video file.
In embodiments of the present invention, transcoding can be unified to the video file in the non-standard encoded video file in the Standard encoded video file in known source, known source and unknown source, the video file recorded from the equipment of distinct device manufacturer is after transcoding, can play in same player, no longer rely on the matching used player of equipment vendors, this also reduces the problem of the playback error produced because of the Equipment of manufacturer.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the video file code-transferring method that the embodiment of the present invention provides;
Fig. 2 is the realization flow figure of the different coding format video file consolidation transcoding that the embodiment of the present invention provides;
Fig. 3 is the structure chart of the video file transcoding device that the embodiment of the present invention provides;
Fig. 4 is the structure chart of the standard code processing unit that the embodiment of the present invention provides;
Fig. 5 is the structure chart of the video format conversion unit that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention unifies transcoding to the Standard encoded video file in known source, the non-standard encoded video file in known source and unknown video file of originating, video file after transcoding can carry out unifying to play in same player, is no longer dependent on the matching used player of equipment vendors.
Fig. 1 shows the realization flow of the video file code-transferring method that the embodiment of the present invention provides, and details are as follows:
In step S101, import the video file treating transcoding;
In step s 102, intercept the privately owned frame originating point information of video file, judge whether video file source is known according to this privately owned frame originating point information;
In step s 103, standard code process is carried out to the known video file in source, exports the data after transcoding.
In embodiments of the present invention, judge whether known video file originates according to the result after the information in privately owned frame originating point information and keyword message storehouse contrasts, keyword message storehouse is that the privately owned frame head of video file by recording the equipment of all known manufacturers is analyzed, and the keyword message obtaining privately owned frame head is formed.
As one embodiment of the present of invention, the step of video file being carried out to standard code process is specially:
1, extract the information in the privately owned frame head of source known video file, privately owned frame head is removed;
2, the frame information of the video file removing privately owned frame head is analyzed;
3, whether judgment frame information is standard code form, is, returns and performs step 2, continues to extract next frame information and analyzes, until analyze complete video file, otherwise the number of times of profiling error is added 1, then returns execution step 2, continue to extract next frame information and analyze;
4, when cumulative errors number exceedes setting threshold, video file is converted to yuv format video file;
5, yuv format video file is carried out standard code.
In embodiments of the present invention, be non-standard coded format for small part frame information, most of frame information is the video file of standard coding format, and namely cumulative errors number does not exceed setting threshold, do not affect the video file of viewing, be considered as Standard encoded video file to process yet.
As a preferred embodiment of the present invention, when cumulative errors number exceedes the threshold value of setting, by the concrete steps that the known noncanonical format video file in source carries out standard code be:
1, the video file again imported;
2, the SDK (SoftwareDevelopment Kit, SDK) of the equipment vendors recording this video file is called;
3, utilize the SDK called that this decode video files is become yuv format video file;
4, yuv format video file is carried out standard code.
As a preferred embodiment of the present invention, standard code can also be carried out to the video file that source is unknown.
The step of the video file that source is unknown being carried out to standard code is specially:
1, call the equipment vendors recording this video file and carry this video file of player plays;
2, in playing process to the continuous sectional drawing of picture;
3, sectional drawing is generated yuv format video file;
4, the yuv format video file of generation is carried out standard code.
Fig. 2 shows the realization flow of the different coding format video file consolidation transcoding that the embodiment of the present invention provides, and details are as follows:
In step s 201, the video file treating transcoding is imported;
In step S202, intercept the privately owned frame originating point information of video file, judge whether video file source is known, is perform step S203 according to this privately owned frame originating point information, otherwise perform step S215;
In step S203, extract the information of the privately owned frame head of video file;
In step S204, remove the privately owned frame head after the information of extraction;
In step S205, judging whether that all data of the video file removing privately owned frame head all complete by analysis, is perform step S214, otherwise performs step S206;
In step S206, extract the frame information removing the video file of privately owned frame head;
In step S207, the frame information extracted is analyzed;
In step S208, judge whether this video file is standard coding format, is according to frame information, return and perform step S205, otherwise perform step S209;
In step S209, whether the accumulative frequency of discriminatory analysis mistake exceedes the threshold value of setting, is, performs step S210, otherwise errors number is added 1, then returns execution step S205;
In step S210, again import video file;
In step S211, call the SDK decoding of the equipment vendors recording this video file;
In step S212, this decode video files is become the video file of yuv format;
In step S213, the video file of yuv format is carried out standard code;
In step S214, export the data after transcoding;
In step S215, this video file of player plays that the equipment vendors of calling this video file of recording carry;
In step S216, when playing, continuous sectional drawing is carried out to picture;
In step S217, sectional drawing is generated the video file of yuv format.
Specifically show that different-format video file of the present invention unifies the realization flow of transcoding below by way of an example, the video file recorded for the equipment of certain equipment vendors is described.
Before implementing the present invention, first the privately owned frame head of the video file that the equipment of known device manufacturer is recorded is analyzed, obtain the keyword message of these equipment vendors, form keyword message storehouse.Assuming that the information of having deposited in current information bank is " the large China of DHAV ", and to set wrong accumulative frequency threshold value be 5.
As one embodiment of the present of invention, the step of the known Standard encoded video file in source being carried out to transcoding is:
1, will treat that the video file of transcoding imports, intercept the partial information of the privately owned frame head of video file, obtain information " DHAV ", compare with the information in keyword message storehouse, can be judged as utilizing the video file that the equipment of great Hua equipment vendors is recorded;
2, extract the temporal information in privately owned frame head, privately owned frame head is removed;
3, the frame information of the video file after removing privately owned frame head is analyzed;
4, through judging that video code model is standard coding format, returning and performing step 3, until analyze complete video file;
5, the data after transcoding are exported.
In embodiments of the present invention, be non-standard coded format for small part frame information, most of frame information is the video file of standard coding format, and namely cumulative errors number does not exceed setting threshold, do not affect the video file of viewing, be considered as Standard encoded video file to process yet.
As one embodiment of the present of invention, the step of the known non-standard encoded video file in source being carried out to transcoding is:
1, will treat that the video file of transcoding imports, intercept the partial information of the privately owned frame head of video file, obtain information " DHAV ", compare with the information in keyword message storehouse, can be judged as utilizing the video file that the equipment of great Hua equipment vendors is recorded;
2, extract the temporal information in privately owned frame head, privately owned frame head is removed;
3, the frame information of the video file after removing privately owned frame head is analyzed;
4, through judging that video code model is not standard coding format, the number of profiling error being added 1, and returns step 3;
5, when cumulative error number reaches 5, no longer frame information analysis is carried out to this video file, video file is imported again;
6, call the SDK decoding of great Hua equipment vendors, decode video files is become yuv format video file, then standard code is carried out to yuv format video file;
7, the data after transcoding are exported.
As one embodiment of the present of invention, the step of the video file that source is unknown being carried out to transcoding is:
1, will treat that the video file of transcoding imports, intercept the partial information of the privately owned frame head of video file, obtain information " 4HKH ", compare with the information in keyword message storehouse, the video file of the equipment recording being which equipment vendors cannot be judged;
The player that the equipment vendors of 2, calling this video file processed of record carry, plays this video file;
3, in playing process to the continuous sectional drawing of picture;
4, sectional drawing is generated yuv format video file;
5, generated yuv format video file is carried out standard code;
6, the data after transcoding are exported.
Fig. 3 shows the structure of the video file transcoding device that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
Video file imports unit 31 and imports the video file treating transcoding.
Source video sequence judging unit 32 intercepts the privately owned frame originating point information that video file imports the video file that unit 31 imports, and judges whether video file source is known according to privately owned frame originating point information.
As one embodiment of the present of invention, judge whether known video file originates according to the result after the information in privately owned frame originating point information and keyword message storehouse contrasts, keyword message storehouse is that the privately owned frame head of video file by recording the equipment of known manufacturer analyzes rear formation.
Standard code processing unit 33 carries out standard code process to the known video file in source, exports the data after transcoding.
As one embodiment of the present of invention, this video file transcoding device also comprises:
Video format conversion unit 34, when video file source is unknown, converts yuv format video file to by video file.
As one embodiment of the present of invention, this video file transcoding device also comprises:
Yuv format coding unit 35, carries out standard code by the yuv format video file that standard code processing unit 33 or video format conversion unit 34 generate.
Fig. 4 shows the structure of the standard code processing unit that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
In embodiments of the present invention, standard code processing unit comprises the removal of privately owned frame head module 41, frame information analysis module 42, coded format judge module 43 and coded format modular converter 44.
Privately owned frame head is removed module 41 and is extracted the information of originating in the privately owned frame head of known video file, is removed by privately owned frame head.
Frame information analysis module 42 is analyzed the frame information removing the video file of privately owned frame head through privately owned frame head removal module 41.
According to the result that frame information analysis module 42 is analyzed, coded format judge module 43 judges whether this frame information is standard code form, continue to extract next frame information and analyze, until analyze complete video file, otherwise the number of times of first profiling error is added 1, then continuation extraction next frame information is analyzed.
Coded format modular converter 44, when cumulative errors number exceedes setting threshold, converts yuv format video file to by video file.
In embodiments of the present invention, coded format modular converter 44 comprises SDK and calls submodule 441 and decoding sub-module 442.
SDK calls the SDK that submodule 441 calls the equipment vendors of recorded video file.
This decode video files is become yuv format video file by the SDK that decoding sub-module 442 utilizes SDK calling module 441 to call.
Fig. 5 shows the structure of the video format conversion unit that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
In embodiments of the present invention, video format conversion unit comprises player calling module 51, screen capture module 52 and format converting module 53.
The equipment vendors that player calling module 51 calls recorded video file carry player plays video file.
Screen capture module 52 in playing process to the continuous sectional drawing of picture.
The picture that format converting module 53 screen capture module 52 intercepts generates yuv format video file.
In embodiments of the present invention, transcoding can be unified to the video file in the non-standard encoded video file in the Standard encoded video file in known source, known source and unknown source, the video file recorded from the equipment of distinct device manufacturer is after transcoding, can play in same player, no longer rely on the matching used player of equipment vendors, this also reduces the problem of the playback error produced because of the Equipment of manufacturer.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a video file code-transferring method, is characterized in that, described method comprises:
Import the video file treating transcoding;
Intercept the privately owned frame originating point information of video file, judge whether described video file source is known according to described privately owned frame originating point information;
Standard code process is carried out to the known video file in source, exports the data after transcoding;
Concrete, described the step that the known video file in source carries out standard code process specifically to be comprised:
Extract the information in the privately owned frame head of source known video file, privately owned frame head is removed;
The frame information of the video file removing privately owned frame head is analyzed;
Judge whether described frame information is standard code form, is, continue to extract next frame information and analyze, until analyze complete video file, otherwise first the number of times of profiling error is added 1, then continuation extraction next frame information is analyzed;
When cumulative errors number exceedes setting threshold, video file is converted to yuv format video file.
2. the method for claim 1, is characterized in that, described when cumulative errors number exceedes threshold value, step video file being converted to yuv format video file specifically comprises:
Again video file is imported;
Call the SDK of the equipment vendors recording described video file;
Utilize described SDK that this decode video files is become yuv format video file.
3. the method for claim 1, is characterized in that, described method also comprises:
When video file source is unknown, video file is converted to yuv format video file.
4. method as claimed in claim 3, is characterized in that, when video file source is unknown, step video file being converted to yuv format video file specifically comprises:
Call the equipment vendors recording described video file and carry video file described in player plays;
To the continuous sectional drawing of picture in playing process;
Sectional drawing is generated yuv format video file.
5. the method as described in claim 2,3 or 4, is characterized in that, described method also comprises:
Described yuv format video file is carried out standard code.
6. a video file transcoding device, is characterized in that, described device comprises:
Video file imports unit, for importing the video file treating transcoding;
According to described privately owned frame originating point information, source video sequence judging unit, for intercepting the privately owned frame originating point information of video file, judges whether described video file source is known;
Standard code processing unit, for carrying out standard code process to the known video file in source, exports the data after transcoding;
Described standard code processing unit comprises:
Privately owned frame head removes module, for extracting the information in the privately owned frame head of source known video file, is removed by privately owned frame head;
Frame information analysis module, for analyzing the frame information of the video file removing privately owned frame head;
Coded format judge module, for judging whether described frame information is standard code form, is, continuing to extract next frame information and analyzing, until analyze complete video file, otherwise first the number of times of profiling error is added 1, then continuation extraction next frame information is analyzed;
Coded format modular converter, for when cumulative errors number exceedes setting threshold, converts yuv format video file to by video file.
7. device as claimed in claim 6, it is characterized in that, described coded format modular converter comprises:
SDK calls submodule, for calling the SDK of the equipment vendors recording described video file;
Decoding sub-module, becomes yuv format video file for utilizing described SDK by this decode video files.
8. device as claimed in claim 7, it is characterized in that, described device also comprises:
Video format conversion unit, for when video file source is unknown, converts yuv format video file to by video file.
9. device as claimed in claim 8, it is characterized in that, described video format conversion unit comprises:
Player calling module, carries video file described in player plays for calling the equipment vendors recording described video file;
Screen capture module, in playing process to the continuous sectional drawing of picture;
Format converting module, for generating yuv format video file by sectional drawing.
10. the device as described in claim 7,8 or 9, is characterized in that, described device also comprises:
Yuv format coding unit, for carrying out standard code by described yuv format video file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210327388.7A CN102881306B (en) | 2012-09-06 | 2012-09-06 | Method and device for transcoding video files |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210327388.7A CN102881306B (en) | 2012-09-06 | 2012-09-06 | Method and device for transcoding video files |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102881306A CN102881306A (en) | 2013-01-16 |
| CN102881306B true CN102881306B (en) | 2015-06-10 |
Family
ID=47482600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210327388.7A Active CN102881306B (en) | 2012-09-06 | 2012-09-06 | Method and device for transcoding video files |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102881306B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079991A (en) * | 2013-03-28 | 2014-10-01 | 国家电网公司 | Video playing method and device |
| CN103475901A (en) * | 2013-09-05 | 2013-12-25 | 乐视网信息技术（北京）股份有限公司 | Unified-source network video system and network video design method |
| CN103701859A (en) * | 2013-12-04 | 2014-04-02 | 中安消技术有限公司 | Method and system for tracing video file source |
| CN104967912A (en) * | 2015-07-01 | 2015-10-07 | 四川效率源信息安全技术有限责任公司 | Method for directly playing surveillance video without transcoding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6081295A (en) * | 1994-05-13 | 2000-06-27 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for transcoding bit streams with video data |
| CN1599448A (en) * | 2004-09-10 | 2005-03-23 | 威盛电子股份有限公司 | Video signal conversion method and device of adjustable heterogeneous format display device |
| CN101742071A (en) * | 2009-12-11 | 2010-06-16 | 四川长虹电器股份有限公司 | Method for recording various formats of video by optical disk type video record-replay set top box |
-
2012
- 2012-09-06 CN CN201210327388.7A patent/CN102881306B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6081295A (en) * | 1994-05-13 | 2000-06-27 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for transcoding bit streams with video data |
| CN1599448A (en) * | 2004-09-10 | 2005-03-23 | 威盛电子股份有限公司 | Video signal conversion method and device of adjustable heterogeneous format display device |
| CN101742071A (en) * | 2009-12-11 | 2010-06-16 | 四川长虹电器股份有限公司 | Method for recording various formats of video by optical disk type video record-replay set top box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102881306A (en) | 2013-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102881306B (en) | Method and device for transcoding video files | |
| US8947596B2 (en) | Alignment of closed captions | |
| CN104429091B (en) | Method and apparatus for identifying media | |
| KR101624942B1 (en) | Encoding or decoding method and apparatus | |
| CN1968408A (en) | Video code stream filtering method and filtering node | |
| CN106851401A (en) | A kind of method and system of automatic addition captions | |
| CN107566890A (en) | Handle audio stream broadcasting abnormal method, apparatus, computer installation and computer-readable recording medium | |
| JP2006014282A (en) | System and method for embedding multimedia processing information into multimedia bitstream | |
| WO2005018097A2 (en) | Apparatus and method for audio content analysis, marking and summing | |
| CN104246874A (en) | Media synchronisation system | |
| CN108521612B (en) | Video abstract generation method, device, server and storage medium | |
| CN104837052A (en) | Playing method of multimedia data and device | |
| US20060078292A1 (en) | Apparatus and method for embedding content information in a video bit stream | |
| CN101697520B (en) | Method and device for processing system logs | |
| CN105744345A (en) | Video compression method and video compression device | |
| WO2023029389A1 (en) | Video fingerprint generation method and apparatus, electronic device, storage medium, computer program, and computer program product | |
| CN103716647A (en) | Method for achieving dual-channel stereophonic effect when multichannel surround sound video and audio are played | |
| CN105929941B (en) | Information processing method and device and terminal equipment | |
| KR101199166B1 (en) | A apparatus generating interpolated frames | |
| CN102693722A (en) | Voice recognition method and voice recognition device and digital television | |
| KR102430177B1 (en) | System for rapid management of large scale moving pictures and method thereof | |
| CN109714599A (en) | The method and device of video watermark processing based on HEVC | |
| KR20120035824A (en) | Encoding apparatus and method for using pipe line method of scalable level | |
| CN113569719A (en) | Video infringement judgment method and device, storage medium and electronic equipment | |
| CN113076355A (en) | Method for sensing data security flow situation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU SKYVISION INTELLIGENCE SYSTEM CO., LTD. Free format text: FORMER OWNER: CSST E-CITY TECHNOLOGY (CHINA) CO., LTD. Effective date: 20150108 Free format text: FORMER OWNER: HANGZHOU SKYVISION INTELLIGENCE SYSTEM CO., LTD. Effective date: 20150108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 310014 HANGZHOU, ZHEJIANG PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20150108 Address after: Hangzhou City, Zhejiang province 310014 Xihu District 212 Moganshan Road Zoomlion Building 2 room 1401-1405 Applicant after: Hangzhou Skyvision Intelligence System Co., Ltd. Address before: 518000 Guangdong province Shenzhen city Futian District District Shennan Road Press Plaza room 1306 Applicant before: Anke Smart Cities Technolongy (PRC) Co., Ltd. Applicant before: Hangzhou Skyvision Intelligence System Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171221 Address after: 200333 Shanghai city Putuo District Tong Pu Lu Lane 800 Building No. 4 Room 201 Patentee after: Mdt InfoTech Ltd named Mdt InfoTech Ltd Address before: Hangzhou City, Zhejiang province 310014 Xihu District 212 Moganshan Road Zoomlion Building 2 room 1401-1405 Patentee before: Hangzhou Skyvision Intelligence System Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190109 Address after: Room J2306, Lane 129, Huajiang Road, Jiading District, Shanghai 201800 Patentee after: Shanghai Jingchang Information Technology Engineering Co., Ltd. Address before: Room 201, Building No. 4, 800 Lane, Tongpu Road, Putuo District, Shanghai, 2003 Patentee before: Mdt InfoTech Ltd named Mdt InfoTech Ltd |