CN102404556B - Universal play system and method for surveillance tape files - Google Patents
Universal play system and method for surveillance tape files Download PDFInfo
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- CN102404556B CN102404556B CN201110391558.3A CN201110391558A CN102404556B CN 102404556 B CN102404556 B CN 102404556B CN 201110391558 A CN201110391558 A CN 201110391558A CN 102404556 B CN102404556 B CN 102404556B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims description 74
- 238000013517 stratification Methods 0.000 claims description 15
- 230000000717 retained effect Effects 0.000 claims description 5
- 238000003707 image sharpening Methods 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 9
- 230000007812 deficiency Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
The invention provides a universal play system and method for surveillance tape files. The method comprises the following steps that: video decoding container devices and image processing container devices provided by different manufacturers are encapsulated into corresponding manufacturer decoding sub-devices and image processing sub-devices; a user inputs the surveillance tape files; a surveillance manufacturer analyzing device analyzes the surveillance tape files according to file header information and file suffix to analyze the manufacturer source; then the video decoding container device decodes the surveillance tape files; the image processing container device carries out image sharpening on the images in a decoded image cache device; and a display device displays and outputs the images in the decoded image cache device. The surveillance tape files from different manufacturers can be played by the system. In addition, the universal play system and the universal play method capable of sharpening, clearly marking and accurately locating images in the decoding process are provided, so that the efficiency of public security departments and guards in finding and obtaining evidences from surveillance videos is improved.
Description
Technical field
The invention belongs to video file play-back technology, relate in particular to a kind of monitoring video file universal playing system and method.
Background technology
At present, on domestic market conventional video playback file have that MPC, QQ are audio-visual, qvod, PPS, KMPlayer, VLC etc.H.264 etc. these players are mainly play and are developed for news, entertainment medium, often can only be to MPEG-1, MPEG-2, MPEG-4, DivX, standard video format is decoded.In when decoding, normally according to the file header of video, suffix name, determine video format, and mate corresponding decoder and decode.The relative news entertainment medium of monitor video has different features.First, monitor video often has nonstandard parasexuality, and the special decoder that must use manufacturer to provide could be decoded; Secondly, monitor video file not necessarily has unified, discernible file header or suffix name, often cannot match corresponding Video Decoder.When above reason causes using the conventional players such as MPC to be play monitoring file, normal appearance cannot open file, picture mistake, broadcasting speed and the phenomenon such as duration is incorrect, the special player that must use manufacturer to provide could be play, and carries out video viewer and brought inconvenience to public security, security personnel.In addition, often there is blooming due to light is poor, misty rain sky etc. in monitor video, and existing player often only provides the simple functions such as brightness regulation, do not have specific aim sharpening to process.
In sum, there is in the prior art following deficiency:
1, the video format of monitoring manufacturer is supported to deficiency, a large amount of monitoring video files can not normal decoder.
2, with file header, suffix name analysis video code model, be not suitable for monitoring video file.
When 3, news entertainment video is play, in order to guarantee fluency, often when bandwidth or disposal ability deficiency, reduce image quality or abandon picture frame, this does not meet the demand that monitor video is checked.
The simple functions such as brightness regulation are only provided when 4, video shows, the reasons such as not poor for light in monitor video, misty rain sky cause fuzzyly carries out sharpening processing.
5, the video content stratification descriptor of intelligent monitoring device record cannot present when video playback.
6, common meeting Overlapping display time in video of monitoring video file, and due to monitoring video equipment and reality
The difference of border time causes the inaccurate of the time of superposeing, and to video, checks and makes troubles.
Summary of the invention
Object of the present invention is intended to overcome above-mentioned the deficiencies in the prior art, provide a kind of energy unified generic video Play System and the method for playing each manufacturer's monitoring video file, when decoding, can provide the method and system that picture is carried out sharpening processing, clearly marks, accurately locates, the efficiency when personnel such as raising public security, security personnel search, collect evidence at monitor video, help them to see fast key message clearly, to obtain effective clue and evidence.
The present invention to achieve these goals, is achieved by the following technical solution:
The invention provides a kind of monitoring video file universal playing system, this system at least comprises:
Monitoring manufacturer resolver, for monitoring video file header information and the file suffixes of user's input are resolved monitoring video file, analyzes the affiliated manufacturer of described file;
Video decode case, is used for according to determined manufacturer's information after monitoring manufacturer resolver parsing monitoring video file, monitoring video file being decoded;
Decoded picture buffer device, receives the current frame image of described video decode case to monitoring video file decoding;
Image container handling device, for carrying out sharpening processing to the image of decoded picture buffer device;
Video content stratification descriptor resolver, for resolving the content level descriptor that video is corresponding, and shows by display unit;
Time calibration device, calibrates the time shown in video according to the deviation of monitoring video equipment and real time, and shows by display unit;
Display unit, for content level descriptor corresponding to video to the output of the image of decoded picture buffer device, video content stratification descriptor resolver, and the information of time calibration device after the time shown in video being calibrated according to the deviation of monitoring video equipment and real time shows.
Further, described monitoring manufacturer resolver is according to file header information and file suffixes, monitoring video file to be resolved, to analyze the manufacturer under it; If manufacturer under determining, is used video decode case to decode according to definite manufacturer's information; If can not determine affiliated manufacturer, according to the default filename of the video file of deriving in each manufacturer's monitoring hard disc recording equipment feature separately, infer and possible affiliated manufacturer, possibility by inference sequence again, so that manufacturer's list to be provided, manufacturer under manually being specified by user, re-uses video decode case and decodes.
Further, described video decode case decoding comprises: in described video decode case, load described manufacturer and separate numeral device; Monitoring video file path is inputted to described video decode case; Described video decode case is decoded to monitoring video file, will after current frame image decoding, output to decoded picture buffer device, and notifies described decoded picture buffer device;
Further, described image container handling device carries out sharpening to the image in decoded picture buffer device and processes and to comprise:
The image that user selects needs to load is processed sub-device and is put in order;
The image of selecting according to user in described image container handling device is processed sub-device and is put in order and loads;
By each image, process sub-device and successively decoded picture is processed, final result is still retained in decoded picture buffer device;
Described decoded picture buffer device notifies described display unit to show current frame image;
Described decoded picture buffer device notifies described video decode case to decode to next frame image.
Further, described display unit shows the image in described decoded picture buffer device and output comprises: the image in described decoded picture buffer device is shown; Video content stratification descriptor resolver is resolved content level descriptor corresponding to video, and shows by display unit; Time calibration device is calibrated the time shown in video according to the deviation of monitoring video equipment and real time, and shows by display unit.
The present invention also provides a kind of monitoring video file universal playing method, and the method comprises the following steps:
Step 1, the decoder module that different vendor is provided are packaged into corresponding manufacturer according to unified interface and separate numeral device;
Step 2, the image processing module that different vendor is provided are packaged into the image of unified interface and process sub-device;
Step 3, connect monitoring manufacturer resolver, video decode case, decoded picture buffer device, image container handling device, display unit successively; Display unit connects respectively video content stratification descriptor resolver and time calibration device;
Step 4, user's input monitoring video file, described monitoring manufacturer resolver is resolved monitoring video file according to file header information and file suffixes, analyzes the manufacturer under it,
If manufacturer under determining, enters step 5 according to the manufacturer's information of obtaining;
If can not determine affiliated manufacturer, the features possessing according to its default filename of video file deriving in Cong Ge manufacturer monitoring hard disc recording equipment, infer and possible affiliated manufacturer, the sequence of the possibility of affiliated manufacturer provides manufacturer's list by inference again, under manually being specified, after manufacturer, enters step 5 by user again;
Step 5, use described video decode case to decode to the present frame of monitoring video file (since the first frame);
Step 6, image container handling device carry out sharpening processing to the image in described decoded picture buffer device, and notify described display unit to show current frame image;
Step 7: display unit shows and exports the image in described decoded picture buffer device;
Step 8: described decoded picture buffer device notifies described video decode case to decode to next frame image, returns to step 5, until image last frame.
Further, in described step 5, also comprise the steps:
Described video decode case loads described manufacturer and separates numeral device,
Monitoring video file path is inputted in described video decode case and is decoded,
Described video decode case outputs to decoded picture buffer device after monitoring video file current frame image is decoded, and notifies described decoded picture buffer device.
Further, in described step 6, also comprise the steps:
The image that user selects needs to load is processed sub-device and is put in order,
The image of selecting according to user in described image container handling device is processed sub-device and is put in order and loads,
By each image, process sub-device and successively decoded picture is processed, final result is still retained in decoded picture buffer device.
Described image container handling device notifies described display unit to show current frame image.
Further, in described step 7, display unit shows the image in described decoded picture buffer device; Described video content stratification descriptor resolver is resolved content level descriptor corresponding to video, and shows by display unit; Described time calibration device is calibrated the time shown in video according to the deviation of monitoring video equipment and real time, and shows by display unit.
The present invention compared with prior art, has following outstanding substantive distinguishing features and significant progressive:
1, general video player in relative prior art, can be optimized for the monitoring video file video format of main flow on market, can effectively support the video in public security video investigation, evidence obtaining business to check demand, the personnel such as current public security, security personnel that solve are playing the inconvenience that need use respectively while respectively monitoring manufacturer's video special player that manufacturer provides to bring.
2, can effectively resolve the video content stratification descriptor that monitoring video equipment is produced by the intellectual analysis equipment of being correlated with when taking, and according to above information, in video playback progress bar, mark out the now time period of suspicious people, car, thing or special event, or in video-frequency playing content scheming, the target that need pay close attention to of mode word mark, to help user quick and precisely to check.
3, the video after user can being checked and process is preserved into a series of picture, thereby facilitates public security subsequent treatment and use.
4, system also can be expanded the image of supporting except video stabilization, image remove smog, nighttime image blast, image interpolate enlarge and processes sub-device.
5, can play the DVR video of the manufacturers such as the Haikang on market, large China, world great achievement, Chinese nation high-tech, and there is manufacturer's extensibility.Can carry out sharpening processing for night video, misty rain sky video, can focus on wanting or suspicious object in playing progress bar and video content acceptance of the bid.Decoding display performance to monitoring video file is obviously better than the universal video players such as MPC 2011, VLC.
Accompanying drawing explanation
Fig. 1 is system flow chart of the present invention.
Fig. 2 is method flow diagram of the present invention.
Embodiment
By specific embodiments of the invention accompanying drawings given below, can further be well understood to the present invention.But they are not limitation of the invention.
As depicted in figs. 1 and 2, take that to play large magnificent monitoring video file be example.
Step 1: unified video decode case 2 interfaces are set, provide that video file path is inputted, plays, suspends, stopped, F.F., slow-motion handling function.The special-purpose decoder module that different vendor is provided is packaged into corresponding manufacturer according to unified interface and separates numeral device 21;
Step 2: unified video decode case 4 interfaces are set, provide that video file path is inputted, plays, suspends, stopped, F.F., slow-motion handling function.The image that different image processing modules is packaged into unified interface is processed sub-device 41;
Step 3: connect successively monitoring manufacturer resolver 1, video decode case 2, decoded picture buffer device 3, image container handling device 4, display unit 7, display unit connects respectively video content stratification descriptor resolver 5 and time calibration device 6;
Step 4: user's input monitoring video file, monitoring manufacturer resolver is according to the manufacturer's information under file content acquisition file, and concrete steps are as follows:
A, described monitoring manufacturer resolver are resolved monitoring video file according to file header information and file suffixes, analyze the manufacturer under it; If manufacturer under determining, enters step 5, otherwise, step b entered;
B, because its default filename of video file deriving in Cong Ge manufacturer monitoring hard disc recording equipment has separately, can infer possible affiliated manufacturer according to filename;
C, the sequence of possibility by inference provide manufacturer's list, manufacturer under manually being specified by user;
D, the manual authorized manufacturer of user are large China.
Step 5: according to the manufacturer's information of obtaining in step 4, use video decode case to decode;
First, monitoring video file path is inputted to described video decode case;
Secondly, described video decode case is decoded to monitoring video file, will after present frame (since the first frame) image decoding, output to decoded picture buffer device, and notifies described decoded picture buffer device;
Step 6: image container handling device carries out sharpening processing to the image in described decoded picture buffer device, comprises the steps:
1, user selects to need the described image loading process sub-device and put in order;
2, according to being set in step 6.1, in described image container handling device, load successively described image and process sub-device;
3, described in each, image is processed sub-device and successively decoded picture is processed, and final result is still retained in decoded picture buffer device.
4, described image container handling device notifies described display unit to show current frame image.
Step 7: the image in described decoded picture buffer device is shown and exported;
Image in described decoded picture buffer device is shown;
Video content stratification descriptor resolver is resolved the content level descriptor that video is corresponding and is shown;
Time calibration device is calibrated the time shown in video according to the deviation of monitoring video equipment and real time;
Decoded picture buffer device notifies described video decode case to decode to next frame image.
Step 8: described decoded picture buffer device notifies described video decode case to decode to next frame image, returns to step 5, until image last frame.
Claims (2)
1. a monitoring video file universal playing system, this system at least comprises:
Monitoring manufacturer resolver, resolves monitoring video file for monitoring video file header information and the file suffixes inputted by user, analyzes the affiliated manufacturer of described file;
Video decode case, decodes to monitoring video file for determined manufacturer's information after resolving monitoring video file according to monitoring manufacturer resolver; If manufacturer under determining, is used described video decode case to decode according to definite manufacturer's information; If can not determine affiliated manufacturer, according to the default filename of the video file of deriving in each manufacturer's monitoring hard disc recording equipment feature separately, infer and possible affiliated manufacturer, possibility sequence by inference, so that manufacturer's list to be provided, manufacturer under manually being specified by user, re-uses described video decode case and decodes; Described video decode case decoding comprises the steps:
In described video decode case, load manufacturer and separate numeral device;
Monitoring video file path is inputted to described video decode case;
Described video decode case is decoded to monitoring video file, will after current frame image decoding, output to decoded picture buffer device, and notifies described decoded picture buffer device; Decoded picture buffer device, receives the current frame image of described video decode case to monitoring video file decoding;
Image container handling device, for carrying out sharpening processing to the image of described decoded picture buffer device; Described image container handling device carries out sharpening processing to the image in decoded picture buffer device and comprises the steps:
The image that user selects needs to load is processed sub-device and is put in order;
The image of selecting according to user in described image container handling device is processed sub-device and is put in order and loads;
By each image, process sub-device and successively decoded picture is processed, final result is still retained in decoded picture buffer device;
Described decoded picture buffer device notice display unit shows current frame image;
Described decoded picture buffer device notifies described video decode case to decode to next frame image;
Video content stratification descriptor resolver, for resolving the content level descriptor that video is corresponding, and shows by display unit;
Time calibration device, calibrates the time shown in video according to the deviation of monitoring video equipment and real time, and shows by display unit;
Display unit, for content level descriptor corresponding to video to the output of the image of decoded picture buffer device, video content stratification descriptor resolver, and the information of time calibration device after the time shown in video being calibrated according to the deviation of monitoring video equipment and real time is shown; Image in described decoded picture buffer device is shown described display unit and output comprises:
Image in described decoded picture buffer device is shown;
Described video content stratification descriptor resolver is for resolving the content level descriptor that video is corresponding and being shown;
Time calibration device is according to the deviation of monitoring video equipment and real time, and the information after the time shown in video is calibrated is shown;
Described monitoring manufacturer resolver, video decode case, decoded picture buffer device, image container handling device are connected successively with display unit; Described display unit connects respectively video content stratification descriptor resolver and time calibration device.
2. a monitoring video file universal playing method, is characterized in that, comprises the following steps:
Step 1, the decoder module that different vendor is provided are packaged into corresponding manufacturer according to unified interface and separate numeral device;
Step 2, the image processing module that different vendor is provided are packaged into the image of unified interface and process sub-device;
Step 3, connect monitoring manufacturer resolver, video decode case, decoded picture buffer device, image container handling device, display unit successively; Described display unit connects respectively video content stratification descriptor resolver and time calibration device;
Step 4, user's input monitoring video file, described monitoring manufacturer resolver is resolved monitoring video file according to file header information and file suffixes, analyzes the manufacturer under it,
If manufacturer under determining, enters step 5 according to the manufacturer's information of obtaining;
If can not determine affiliated manufacturer, the features possessing according to its default filename of video file deriving in Cong Ge manufacturer monitoring hard disc recording equipment, infer and possible affiliated manufacturer, the sequence of the possibility of affiliated manufacturer provides manufacturer's list by inference again, under manually being specified, after manufacturer, enters step 5 by user again;
Step 5, use described video decode case to decode to the current frame image of monitoring video file;
Described video decode case loads described manufacturer and separates numeral device,
Monitoring video file path is inputted in described video decode case and is decoded,
Described video decode case outputs to decoded picture buffer device after monitoring video file current frame image is decoded, and notifies described decoded picture buffer device;
Step 6, image container handling device carry out sharpening processing to the image in described decoded picture buffer device, and notify described display unit to show current frame image;
The image that user selects needs to load is processed sub-device and is put in order,
The image of selecting according to user in described image container handling device is processed sub-device and is put in order and loads,
By each image, process sub-device and successively decoded picture is processed, final result is still retained in decoded picture buffer device,
Described image container handling device notifies described display unit to show current frame image;
Step 7: display unit shows and exports the image in described decoded picture buffer device;
Display unit shows the image in described decoded picture buffer device; Described video content stratification descriptor resolver is resolved content level descriptor corresponding to video, and shows by display unit; Described time calibration device is calibrated the time shown in video according to the deviation of monitoring video equipment and real time, and shows by display unit;
Step 8: described decoded picture buffer device notifies described video decode case to decode to next frame image, returns to step 5, until image last frame.
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| CN104284141B (en) * | 2013-07-08 | 2018-11-02 | 株式会社日立制作所 | Video monitoring system |
| CN104683810B (en) * | 2015-02-28 | 2019-09-06 | 武汉烽火众智数字技术有限责任公司 | A kind of dynamic decoder method and apparatus based on signature analysis |
| CN104681050A (en) * | 2015-02-28 | 2015-06-03 | 武汉烽火众智数字技术有限责任公司 | Method and device for extracting video data from magnetic disk |
| 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 |
| CN109889894A (en) * | 2019-03-13 | 2019-06-14 | 苏州科达科技股份有限公司 | Media file coding/decoding method, device and storage medium |
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