CN111506769B - Video file processing method and device, storage medium and electronic device - Google Patents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/73—Querying
- G06F16/732—Query formulation
- G06F16/7328—Query by example, e.g. a complete video frame or video sequence
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/73—Querying
- G06F16/738—Presentation of query results
- G06F16/739—Presentation of query results in form of a video summary, e.g. the video summary being a video sequence, a composite still image or having synthesized frames
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/7867—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, title and artist information, manually generated time, location and usage information, user ratings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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Abstract
The application provides a processing method and device of video files, a storage medium and an electronic device, wherein the processing method comprises the following steps: obtaining an analysis result obtained after at least two analysis devices analyze the video code stream, wherein the analysis result carries a time stamp; determining a video frame sequence corresponding to the time stamp in the video code stream, and embedding the analysis result into the video frame sequence to obtain a target video file; and displaying the target video file. The application solves the problem of manpower waste in video monitoring.
Description
Technical Field
The present application relates to the field of communications, and in particular, to a method and apparatus for processing a video file, a storage medium, and an electronic device.
Background
Camera monitoring is common in living scenes, such as in supermarkets, whether people steal or not can be monitored through the cameras, and whether traffic accidents exist or not is monitored through the cameras on roads. Traditional monitoring mode needs to manually check the video shot by the camera, and the monitoring personnel monitor the events appearing in the video.
However, by manually monitoring the video, monitoring personnel are required to check the video in real time to timely discover the events appearing in the video, so that a large amount of manpower is required to be consumed. In addition, for events which are not easy to find, monitoring personnel can hardly find the events, and the problem of event omission exists.
Aiming at the problem of wasting manpower in video monitoring in the related technology, no effective solution exists at present.
Disclosure of Invention
The embodiment of the application provides a processing method and device of video files, a storage medium and an electronic device, which are used for at least solving the problem of wasting manpower in video monitoring in the related technology.
According to an embodiment of the present application, there is provided a method for processing a video file, including: obtaining an analysis result obtained after at least two analysis devices analyze the video code stream, wherein the analysis result carries a time stamp; determining a video frame sequence corresponding to the time stamp in the video code stream, and embedding the analysis result into the video frame sequence to obtain a target video file; and displaying the target video file.
Optionally, before the obtaining the analysis result obtained after the video code stream is analyzed by the different analysis devices, the method includes: acquiring the video code stream transmitted by the camera equipment; and sending the video code stream to the at least two analysis devices to instruct each of the at least two analysis devices to analyze objects in the video code stream, wherein the objects analyzed by each of the at least two analysis devices are different.
Optionally, embedding the analysis result into the video frame sequence to obtain a target video file, including: generating a target image including the analysis result; and inserting the target image into the video frame sequence to obtain the target video file.
Optionally, embedding the analysis result into the video frame sequence to obtain a target video file, further including: and labeling the analysis result in an image which is included in the video frame sequence and corresponds to the analysis result.
Optionally, displaying the target video file includes: and sending the target video file to a target client to instruct the target client to display the target video file.
According to another embodiment of the present application, there is provided a processing apparatus for a video file, including: the first acquisition module is used for acquiring an analysis result obtained after the video code stream is analyzed by at least two analysis devices, wherein the analysis result carries a time stamp; the determining module is used for determining a video frame sequence corresponding to the time stamp in the video code stream and embedding the analysis result into the video frame sequence to obtain a target video file; and the display module is used for displaying the target video file.
Optionally, the apparatus comprises: a second acquisition module configured to acquire the video code stream transmitted by the image capturing apparatus; and the sending module is used for sending the video code stream to the at least two analysis devices so as to instruct each of the at least two analysis devices to analyze the objects in the video code stream, wherein the objects analyzed by each of the at least two analysis devices are different.
Optionally, the determining module includes: a generation unit configured to generate a target image including the analysis result; and the inserting unit is used for inserting the target image into the video frame sequence to obtain the target video file.
According to a further embodiment of the application, there is also provided a storage medium having stored therein a computer program, wherein the computer program is arranged to perform the steps of any of the method embodiments described above when run.
According to a further embodiment of the application, there is also provided an electronic device comprising a memory having stored therein a computer program and a processor arranged to run the computer program to perform the steps of any of the method embodiments described above.
According to the application, as the analysis result obtained after the video code stream is analyzed by at least two analysis devices is obtained, wherein the analysis result carries the time stamp, the video frame sequence corresponding to the time stamp is determined in the video code stream, and the analysis result is embedded into the video frame sequence, so that a target video file is obtained, and the target video file is displayed. Therefore, the problem of manpower waste in video monitoring can be solved, the accuracy of video monitoring is improved, and the effect of manpower resource saving is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a block diagram of a hardware structure of a mobile terminal of a video file processing method according to an embodiment of the present application;
FIG. 2 is a flow chart of a method of processing a video file according to an embodiment of the application;
FIG. 3 is a system block diagram according to an embodiment of the application;
FIG. 4 is an overall flow diagram of a system according to an embodiment of the application;
FIG. 5 is a schematic diagram of inserting intelligent analysis result auxiliary frames into a video frame sequence according to an embodiment of the present application;
fig. 6 is a block diagram of a processing apparatus for a video file according to an embodiment of the present application.
Detailed Description
The application will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The method according to the first embodiment of the present application may be implemented in a mobile terminal, a computer terminal or a similar computing device. Taking the mobile terminal as an example, fig. 1 is a block diagram of a hardware structure of the mobile terminal according to an embodiment of the present application. As shown in fig. 1, the mobile terminal 10 may include one or more (only one is shown in fig. 1) processors 102 (the processor 102 may include, but is not limited to, a microprocessor MCU or a processing device such as a programmable logic device FPGA) and a memory 104 for storing data, and optionally a transmission device 106 for communication functions and an input-output device 108. It will be appreciated by those skilled in the art that the structure shown in fig. 1 is merely illustrative and not limiting of the structure of the mobile terminal described above. For example, the mobile terminal 10 may also include more or fewer components than shown in FIG. 1 or have a different configuration than shown in FIG. 1.
The memory 104 may be used to store a computer program, for example, a software program of application software and a module, such as a computer program corresponding to a method for processing a video file in an embodiment of the present application, and the processor 102 executes the computer program stored in the memory 104 to perform various functional applications and data processing, that is, implement the above-mentioned method. Memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the mobile terminal 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission means 106 is arranged to receive or transmit data via a network. The specific examples of networks described above may include wireless networks provided by the communication provider of the mobile terminal 10. In one example, the transmission device 106 includes a network adapter (Network Interface Controller, simply referred to as NIC) that can connect to other network devices through a base station to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used to communicate with the internet wirelessly.
In this embodiment, a method for processing a video file running on the mobile terminal is provided, and fig. 2 is a flowchart of a method for processing a video file according to an embodiment of the present application, as shown in fig. 2, where the flowchart includes the following steps:
step S202, obtaining an analysis result obtained after video code streams are analyzed by at least two analysis devices, wherein the analysis result carries a time stamp;
at least two analysis devices can assume different analysis tasks. For example, a device for analyzing structured messages of a person may wear normative analysis of basic features and/or tooling of the person; the equipment for analyzing the structural information of the vehicle can be used for detecting and analyzing engineering vehicles and large-scale operation vehicles; the device for perimeter detection or personnel behavior detection can be used for detecting and analyzing the entering of forbidden areas, the occurrence of a frame-taking event and the like. The analysis equipment analyzes the acquired video code stream, determines the occurrence time of the event in the video code stream under the condition that the corresponding event exists, and sends the corresponding time carried in the analysis result in the form of a time stamp to the monitoring management center.
Step S204, determining a video frame sequence corresponding to the time stamp in the video code stream, and embedding the analysis result into the video frame sequence to obtain a target video file;
after the analysis result is obtained, the monitoring management center analyzes a time stamp carried in the analysis result, a video sequence corresponding to the time stamp is determined in a video code stream, the video sequence comprises at least one frame of video image, and the obtained analysis result is embedded into the video frame sequence by the monitoring management center.
Step S206, displaying the target video file.
The monitoring management center can play a target video file with an analysis result, and the target video file can intuitively display the analysis result of the monitoring video.
According to the steps, as the analysis result obtained after the video code stream is analyzed by at least two analysis devices is obtained, the analysis result carries a time stamp, a video frame sequence corresponding to the time stamp is determined in the video code stream, the analysis result is embedded into the video frame sequence, so that a target video file is obtained, and the target video file is displayed. Therefore, the problem of manpower waste in video monitoring can be solved, the accuracy of video monitoring is improved, and the effect of manpower resource saving is achieved.
Alternatively, the execution subject of the above steps may be a terminal or the like, but is not limited thereto.
Fig. 3 is a system block diagram according to an embodiment of the present application, and fig. 4 is a system overall flowchart according to an embodiment of the present application. Specifically, the front-end common camera is used for collecting the monitoring video, sending the monitoring video to different intelligent analysis devices through a network, after the intelligent analysis devices analyze the monitoring video, sending the analysis result to the monitoring management center, analyzing the timestamp corresponding to the analysis result in the analysis result by the monitoring management center, determining a video frame sequence corresponding to the timestamp in the monitoring video, embedding the analysis result into the monitoring video, sending the monitoring video to the user client, and enabling the user to play the monitoring video with the analysis result in the client.
As an alternative embodiment, before the obtaining of the analysis result obtained after the analysis of the video code stream by the different analysis devices, the method includes: acquiring the video code stream transmitted by the camera equipment; and sending the video code stream to the at least two analysis devices to instruct each of the at least two analysis devices to analyze objects in the video code stream, wherein the objects analyzed by each of the at least two analysis devices are different. As an optional embodiment, the front-end common camera and the intelligent analysis equipment are accessed to the monitoring management center, and the monitoring management center pulls the video code stream from the front-end common camera and forwards the video code stream to a plurality of intelligent analysis equipment for bearing different analysis tasks in an analysis task mode. Specifically, the content analyzed by the plurality of intelligent analysis devices is not the same, and the analysis tasks performed by the plurality of different intelligent analysis devices are not the same, for example, the plurality of intelligent analysis devices include device 1, device 2, and device 3. The device 1 is used for analyzing people in the video code stream, the device 2 is used for analyzing vehicles in the video code stream, and the device 3 is used for analyzing environments in the video code stream. The dimensions analyzed by the plurality of different intelligent analysis devices are not the same.
As an alternative embodiment, embedding the analysis result into the video frame sequence to obtain a target video file includes: generating a target image including the analysis result; and inserting the target image into the video frame sequence to obtain the target video file. In this embodiment, an intelligent analysis result auxiliary frame is defined for storing the structural information, frame selection coordinate information, behavior event information, and the like analyzed by the intelligent analysis device. After receiving the task of the monitoring management center, the intelligent analysis equipment starts intelligent analysis, encapsulates the analysis result, the timestamp and the frame number of the corresponding video frame of the generated result in an intelligent analysis result auxiliary frame, and returns the analysis result to the monitoring management center. The monitoring management center inserts the auxiliary frame of the intelligent analysis result into the video frame sequence corresponding to the time stamp in the monitoring video, specifically, the auxiliary frame can be inserted before the first frame of the video frame sequence or can be inserted after the last frame of the video frame sequence. For example, one way to insert intelligent analysis result auxiliary frames into a sequence of video frames is shown in fig. 5.
As an alternative embodiment, the step of embedding the analysis result into the video frame sequence to obtain a target video file further includes: and labeling the analysis result in an image which is included in the video frame sequence and corresponds to the analysis result. In this embodiment, the monitoring management center may label the analysis result in an image corresponding to the video frame sequence, for example, if the intelligent analysis device analyzes that an event occurs in a third frame image of the video frame sequence, then label the analysis result of the event in the third frame image.
As an alternative embodiment, displaying the target video file includes: and sending the target video file to a target client to instruct the target client to display the target video file. In this embodiment, the user client browses and reviews the analyzed video to the monitoring management center, and then performs effect superposition according to all the inserted auxiliary frames of the intelligent analysis results, so as to display a plurality of intelligent analysis effects on the same screen. And a user can view the analysis result of the intelligent analysis equipment on the monitoring video through the video file at the client.
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present application.
The embodiment also provides a device for processing video files, which is used for implementing the above embodiment and the preferred implementation, and is not described in detail. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.
Fig. 6 is a block diagram of a video file processing apparatus according to an embodiment of the present application, as shown in fig. 6, including: a first obtaining module 62, configured to obtain an analysis result obtained by analyzing the video code stream by at least two analysis devices, where the analysis result carries a timestamp; a determining module 64, configured to determine a video frame sequence corresponding to the timestamp in the video code stream, and embed the analysis result into the video frame sequence to obtain a target video file; and a display module 66 for displaying the target video file.
As an alternative embodiment, the apparatus comprises: a second acquisition module configured to acquire the video code stream transmitted by the image capturing apparatus; and the sending module is used for sending the video code stream to the at least two analysis devices so as to instruct each of the at least two analysis devices to analyze the objects in the video code stream, wherein the objects analyzed by each of the at least two analysis devices are different.
As an alternative embodiment, the determining module includes: a generation unit configured to generate a target image including the analysis result; and the inserting unit is used for inserting the target image into the video frame sequence to obtain the target video file.
As an alternative embodiment, the determining module embeds the analysis result into the video frame sequence to obtain the target video file by: and labeling the analysis result in an image which is included in the video frame sequence and corresponds to the analysis result.
As an alternative embodiment, the display module displays the target video file by the following manner: and sending the target video file to a target client to instruct the target client to display the target video file.
It should be noted that each of the above modules may be implemented by software or hardware, and for the latter, it may be implemented by, but not limited to: the modules are all located in the same processor; alternatively, the above modules may be located in different processors in any combination.
An embodiment of the application also provides a storage medium having a computer program stored therein, wherein the computer program is arranged to perform the steps of any of the method embodiments described above when run.
Alternatively, in the present embodiment, the above-described storage medium may be configured to store a computer program for performing the steps of:
s1, obtaining an analysis result obtained after video code streams are analyzed by at least two analysis devices, wherein the analysis result carries a time stamp;
s2, determining a video frame sequence corresponding to the time stamp in the video code stream, and embedding the analysis result into the video frame sequence to obtain a target video file;
and S3, displaying the target video file.
Alternatively, in the present embodiment, the storage medium may include, but is not limited to: a usb disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing a computer program.
An embodiment of the application also provides an electronic device comprising a memory having stored therein a computer program and a processor arranged to run the computer program to perform the steps of any of the method embodiments described above.
Optionally, the electronic apparatus may further include a transmission device and an input/output device, where the transmission device is connected to the processor, and the input/output device is connected to the processor.
Alternatively, in the present embodiment, the above-described processor may be configured to execute the following steps by a computer program:
s1, obtaining an analysis result obtained after video code streams are analyzed by at least two analysis devices, wherein the analysis result carries a time stamp;
s2, determining a video frame sequence corresponding to the time stamp in the video code stream, and embedding the analysis result into the video frame sequence to obtain a target video file;
and S3, displaying the target video file.
Alternatively, specific examples in this embodiment may refer to examples described in the foregoing embodiments and optional implementations, and this embodiment is not described herein.
It will be appreciated by those skilled in the art that the modules or steps of the application described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may alternatively be implemented in program code executable by computing devices, so that they may be stored in a memory device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than that shown or described, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module for implementation. Thus, the present application is not limited to any specific combination of hardware and software.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. A method for processing a video file, comprising:
acquiring a video code stream transmitted by an image pickup device;
transmitting the video code stream to at least two analysis devices to instruct each of the at least two analysis devices to analyze objects in the video code stream, wherein the objects analyzed by each of the at least two analysis devices are different;
obtaining an analysis result obtained after at least two analysis devices analyze the video code stream, wherein the analysis result carries a time stamp;
determining a video frame sequence corresponding to the time stamp in the video code stream, and embedding the analysis result into the video frame sequence to obtain a target video file;
and displaying the target video file.
2. The method of claim 1, wherein embedding the analysis result into the sequence of video frames to obtain a target video file comprises:
generating a target image including the analysis result;
and inserting the target image into the video frame sequence to obtain the target video file.
3. The method of claim 1, wherein embedding the analysis result into the sequence of video frames to obtain a target video file, further comprises:
and labeling the analysis result in an image which is included in the video frame sequence and corresponds to the analysis result.
4. A method according to any one of claims 1 to 3, wherein displaying the target video file comprises:
and sending the target video file to a target client to instruct the target client to display the target video file.
5. A video file processing apparatus, comprising:
the first acquisition module is used for acquiring an analysis result obtained after the video code stream is analyzed by at least two analysis devices, wherein the analysis result carries a time stamp;
the determining module is used for determining a video frame sequence corresponding to the time stamp in the video code stream and embedding the analysis result into the video frame sequence to obtain a target video file;
the display module is used for displaying the target video file;
a second acquisition module configured to acquire the video code stream transmitted by the image capturing apparatus;
and the sending module is used for sending the video code stream to the at least two analysis devices so as to instruct each of the at least two analysis devices to analyze the objects in the video code stream, wherein the objects analyzed by each of the at least two analysis devices are different.
6. The apparatus of claim 5, wherein the means for determining comprises:
a generation unit configured to generate a target image including the analysis result;
and the inserting unit is used for inserting the target image into the video frame sequence to obtain the target video file.
7. A storage medium having a computer program stored therein, wherein the computer program is arranged to perform the method of any of claims 1 to 4 when run.
8. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the method of any of the claims 1 to 4.
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| CN113473167A (en) * | 2021-06-30 | 2021-10-01 | 烽火通信科技股份有限公司 | Real-time audio and video playing and controlling method, system and equipment and readable storage medium |
| CN114079821B (en) * | 2021-11-18 | 2024-02-20 | 福建汇川物联网技术科技股份有限公司 | Video playing method and device, electronic equipment and readable storage medium |
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