CN115361571A - Playing method and device of cloud storage video data - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004590 computer program Methods 0.000 claims description 17
- 239000002699 waste material Substances 0.000 abstract description 6
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
Abstract
The invention provides a method and a device for playing cloud storage video data, wherein the method comprises the following steps: acquiring video data based on a first target protocol and positioning data based on a second target protocol; determining the storage code rate of the video data according to the positioning data; analyzing the video data, and converting the analyzed video data into at least one path of FLV video stream by an FFmpeg component according to the storage code rate; sending the FLV video stream to an SRS component to play in real time or to store the FLV video stream to enable historical playback. According to the playing method and device for the cloud storage video data, the storage code rate of the video data is determined according to the positioning data, the optimal storage code rate is determined according to different positions, and code rate waste is avoided.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method and a device for playing cloud storage video data.
Background
Most of the existing transport vehicles are provided with vehicle-mounted video terminals, and the vehicle-mounted video terminals record the running speed, time and position of the transport vehicles and the audio and video information of the environment of the transport vehicles. A manager of the transport vehicle can select to use the browser to view the video data recorded by the vehicle-mounted video terminal, but the video data to be viewed adopt the same video code rate, so that code rate waste is caused.
Disclosure of Invention
The invention provides a playing method and a playing system for cloud storage video data, which are used for solving the defect of code rate waste caused by the fact that the same video code rate is adopted for video data to be checked in the prior art.
The invention provides a playing method of cloud storage video data, which comprises the following steps:
acquiring video data based on a first target protocol and positioning data based on a second target protocol;
determining the storage code rate of the video data according to the positioning data;
analyzing the video data, and converting the analyzed video data into at least one path of FLV video stream by an FFmpeg component according to the storage code rate;
sending the FLV video stream to an SRS component to play in real time or to store the FLV video stream to enable historical playback.
According to the playing method of the cloud storage video data, the acquiring of the video data based on the first target protocol and the positioning data based on the second target protocol includes:
video data based on the JTT1078 protocol and positioning data based on the JTT808 protocol are acquired.
According to the playing method of the cloud storage video data, the determining of the storage code rate of the video data according to the positioning data comprises the following steps:
determining a plurality of levels of electronic fences and a storage code rate corresponding to each level of the electronic fences;
determining the level of the electronic fence corresponding to the positioning data, and determining the storage code rate of the video data according to the level of the electronic fence.
According to the playing method of the cloud storage video data, the FLV video stream is sent to the SRS component to be played in real time, and the playing method comprises the following steps:
sending the FLV video stream to an SRS component to generate a first URL address;
storing the first URL address to a target database;
and acquiring the first URL address from the target database based on http.server service so as to play in real time.
According to the playing method of the cloud storage video data, the storage of the FLV video stream to realize historical playback includes:
dividing the FLV video stream into a plurality of FLV video segments according to the target length, storing the FLV video segments, and generating a second URL address;
storing the second URL address to a target database;
server service obtains the second URL address from the target database based on http to realize history playback.
According to the playing method of the cloud storage video data, the first URL address is distinguished based on the unique identifier, the device information and the channel information of the FLV video stream, and the second URL address is distinguished based on the device information, the channel information and the file time of the FLV video stream.
The invention also provides a playing device of the cloud storage video data, which comprises:
the acquisition module is used for acquiring video data based on a first target protocol and positioning data based on a second target protocol;
the determining module is used for determining the storage code rate of the video data according to the positioning data;
the FFmpeg component converts the analyzed video data into at least one path of FLV video stream according to the storage code rate;
and the playing module is used for sending the FLV video stream to an SRS component to play in real time or store the FLV video stream to realize historical playback.
The invention also provides electronic equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the program, the playing method of the cloud storage video data is realized.
The present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of playing cloud-stored video data.
The invention further provides a computer program product comprising a computer program, wherein the computer program realizes the playing method of the cloud storage video data when being executed by a processor.
According to the playing method and device for the cloud storage video data, the storage code rate of the video data is determined according to the positioning data, the optimal storage code rate is determined according to different positions, and code rate waste is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a playing method of cloud storage video data provided by the present invention;
FIG. 2 is a schematic flow chart of S110 in FIG. 1 according to the present invention;
FIG. 3 is a schematic flow chart of real-time playing provided by the present invention;
FIG. 4 is a schematic flow diagram of history playback provided by the present invention;
fig. 5 is a schematic block diagram of a playing apparatus for cloud storage video data provided by the present invention;
fig. 6 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the embodiments of the present application, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Fig. 1 is a schematic flow chart of a playing method of cloud storage video data provided by the present invention; referring to fig. 1, the present invention provides a method for playing cloud storage video data, including:
s110, acquiring video data based on a first target protocol and positioning data based on a second target protocol;
s120, determining the storage code rate of the video data according to the positioning data;
s130, analyzing the video data, and converting the analyzed video data into at least one path of FLV video stream by the FFmpeg component according to the storage code rate;
s140, the FLV video stream is sent to an SRS component to play in real time or store the FLV video stream to realize historical playback.
Optionally, the acquiring the video data based on the first target protocol and the positioning data based on the second target protocol includes:
video data based on the JTT1078 protocol and positioning data based on the JTT808 protocol are acquired.
The JTT1078 protocol is a video communication protocol of a road transport vehicle satellite positioning system, and the JTT808 protocol is used for specifying a communication protocol and a data format of a road transport vehicle satellite positioning system terminal.
In step S110, the video data and the positioning data are acquired from the registered av terminal. The method specifically comprises the following steps:
and S111, acquiring registration online data of the audio and video terminal, wherein the audio and video terminal supports a first target protocol and a second target protocol, and the audio and video terminal registers on a gateway server.
S112, sending a login notification to the audio and video terminal according to the registration online data, wherein the login notification comprises relevant information of a target audio and video server; and the gateway server sends a login notification to the audio and video terminal to notify the audio and video terminal to log in the specified video server, wherein in this case, the number of the video servers is multiple.
And S113, acquiring the video data uploaded by the audio and video terminal, wherein the audio and video terminal uploads the video data according to the login notification, and the audio and video terminal logs in a corresponding video server and uploads the video data according to the login notification.
The video server can adopt a distributed video server, the terminals are uniformly connected to different video servers in a load balancing mode, each path of video is independently processed by one thread for video coding and decoding, and high-concurrency real-time cloud storage is achieved.
In step S120, the bit rate of the video data during playing is determined according to the position of the video data, for example, if the video data is in a spacious position, the storage bit rate of the video data may be reduced, and if the video data is in a complex scene, the storage bit rate of the video data may be increased.
In step S130, the video data is parsed, including parsing the video data, to generate an H264 video stream.
Real-time play or historical playback may be selected based on the level of the video data.
In the embodiment of the application, the FFmpeg component generates two FLV video streams, including a first FLV video stream and a second FLV video stream, wherein the first FLV video stream is used for realizing real-time playing, and the second FLV video stream is used for realizing historical playback.
It can be understood that, in the embodiment of the application, the storage code rate of the video data is determined according to the positioning data, and the optimal storage code rate is determined according to different positions, so that code rate waste is avoided.
On the basis of the foregoing embodiment, as a preferred embodiment, as shown in fig. 2, the determining, according to the positioning data, a storage bitrate of the video data includes:
s210, determining electronic fences of multiple levels and storage code rates corresponding to the electronic fences of each level;
s220, determining the level of the electronic fence corresponding to the positioning data, and determining the storage code rate of the video data according to the level of the electronic fence.
In step S210, the levels of the electronic fence may include a focus area, a general area, and a secret area, and the storage code rate corresponding to each level is the original code rate storage, the low code rate storage, and the non-storage. In other embodiments, the user-defined setting may be performed according to actual needs, which is not limited in this application.
In step S220, when the audio/video terminal enters the electronic fence at different levels, the video data with different code rates can be stored.
It can be understood that the embodiment of the application realizes the electronic fence function and can also avoid code rate waste.
On the basis of the foregoing embodiment, as a preferred embodiment, as shown in fig. 3, the sending the FLV video stream to an SRS component for real-time playing includes:
s310, sending the FLV video stream to an SRS component to generate a first URL address;
s320, storing the first URL address to a target database;
and S330, acquiring the first URL address from the target database based on http.server service to play in real time.
Optionally, as shown in fig. 4, the storing the FLV video stream to implement historical playback includes:
s410, dividing the FLV video stream into a plurality of FLV video segments according to the target length, storing the FLV video segments, and generating a second URL address;
s420, storing the second URL address to a target database;
and S430, acquiring the second URL address from the target database based on http.server service to realize history playback.
In step S410, the FLV video stream is divided into FLV video segments according to a target length (for example, ten minutes), the FLV video segments are saved, and a second URL address of the HTTP protocol is generated.
Optionally, the first URL address is distinguished based on the unique identifier, the device information, and the channel information of the FLV video stream, and the second URL address is distinguished based on the device information, the channel information, and the file time of the FLV video stream.
It can be understood that, the embodiment of the application does not limit the storage capacity of the audio/video terminal, and only requires that the network of the audio/video terminal is smooth. The duration of the historical video which can be viewed is only related to the size of the storage space of the cloud server, and the video file which can be viewed for a longer time can be stored.
The following describes the playing apparatus for cloud storage video data according to the present invention, and the playing apparatus for cloud storage video data described below and the playing method for cloud storage video data described above may be referred to in correspondence with each other.
Fig. 5 is a schematic block diagram of a playing apparatus for cloud storage video data according to the present invention; referring to fig. 5, the present invention further provides a playing apparatus for cloud storage video data, including:
an obtaining module 510, configured to obtain video data based on a first target protocol and positioning data based on a second target protocol;
a determining module 520, configured to determine, according to the positioning data, a storage rate of the video data;
the parsing module 530 is configured to parse the video data, and the FFmpeg component converts the parsed video data into at least one FLV video stream according to the storage bit rate;
a playing module 540, configured to send the FLV video stream to an SRS component to play in real time or store the FLV video stream to implement historical playback.
In one embodiment, the obtaining module 510 is further configured to:
video data based on the JTT1078 protocol and positioning data based on the JTT808 protocol are acquired.
In one embodiment, the determining module 520 is further configured to:
determining a plurality of levels of electronic fences and a storage code rate corresponding to each level of the electronic fences;
determining the level of the electronic fence corresponding to the positioning data, and determining the storage code rate of the video data according to the level of the electronic fence.
In one embodiment, the play module 540 is further configured to:
sending the FLV video stream to an SRS component to generate a first URL address;
storing the first URL address to a target database;
and acquiring the first URL address from the target database based on http.server service so as to play in real time.
In one embodiment, the play module 540 is further configured to:
dividing the FLV video stream into a plurality of FLV video segments according to the target length, storing the FLV video segments, and generating a second URL address;
storing the second URL address to a target database;
server service obtains the second URL address from the target database based on http to realize history playback.
In one embodiment, the first URL address is distinguished based on a unique identifier of the FLV video stream, device information, and channel information, and the second URL address is distinguished based on the device information, channel information, and file time of the FLV video stream.
Fig. 6 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 6: a processor (processor) 610, a communication Interface (Communications Interface) 620, a memory (memory) 630 and a communication bus 660, wherein the processor 610, the communication Interface 620 and the memory 630 are communicated with each other via the communication bus 660. The processor 610 may invoke logic instructions in the memory 630 to perform a method of playing cloud-stored video data, comprising:
acquiring video data based on a first target protocol and positioning data based on a second target protocol;
determining the storage code rate of the video data according to the positioning data;
analyzing the video data, and converting the analyzed video data into at least one path of FLV video stream by an FFmpeg component according to the storage code rate;
sending the FLV video stream to an SRS component to play in real time or to store the FLV video stream to enable historical playback.
In addition, the logic instructions in the memory 630 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product comprising a computer program, the computer program being storable on a non-transitory computer readable storage medium, the computer program, when executed by a processor, being capable of performing a playback method of cloud-stored video data, comprising:
acquiring video data based on a first target protocol and positioning data based on a second target protocol;
determining the storage code rate of the video data according to the positioning data;
analyzing the video data, and converting the analyzed video data into at least one path of FLV video stream by an FFmpeg component according to the storage code rate;
sending the FLV video stream to an SRS component to play in real time or to store the FLV video stream to enable historical playback.
In still another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor, is implemented to perform a playing method of cloud-stored video data, including:
acquiring video data based on a first target protocol and positioning data based on a second target protocol;
determining the storage code rate of the video data according to the positioning data;
analyzing the video data, and converting the analyzed video data into at least one path of FLV video stream by an FFmpeg component according to the storage code rate;
sending the FLV video stream to an SRS component to play in real time or to store the FLV video stream to enable historical playback.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A playing method of cloud storage video data is characterized by comprising the following steps:
acquiring video data based on a first target protocol and positioning data based on a second target protocol;
determining the storage code rate of the video data according to the positioning data;
analyzing the video data, and converting the analyzed video data into at least one path of FLV video stream by an FFmpeg component according to the storage code rate;
sending the FLV video stream to an SRS component to play in real time or storing the FLV video stream to achieve historical playback.
2. The method for playing the cloud storage video data according to claim 1, wherein the acquiring the video data based on the first target protocol and the positioning data based on the second target protocol includes:
video data based on the JTT1078 protocol and positioning data based on the JTT808 protocol are acquired.
3. The method for playing the cloud storage video data according to claim 1, wherein the determining, according to the positioning data, a storage bitrate of the video data includes:
determining a plurality of levels of electronic fences and a storage code rate corresponding to each level of the electronic fences;
determining the level of the electronic fence corresponding to the positioning data, and determining the storage code rate of the video data according to the level of the electronic fence.
4. The method for playing the cloud storage video data according to claim 1, wherein the sending the FLV video stream to an SRS component for real-time playing comprises:
sending the FLV video stream to an SRS component to generate a first URL address;
storing the first URL address to a target database;
and acquiring the first URL address from the target database based on http.server service so as to play in real time.
5. The method for playing the cloud storage video data according to claim 4, wherein the storing the FLV video stream for historical playback comprises:
dividing the FLV video stream into a plurality of FLV video segments according to the target length, storing the FLV video segments, and generating a second URL address;
storing the second URL address to a target database;
server service obtains the second URL address from the target database based on http to realize history playback.
6. The method for playing the cloud-stored video data according to claim 5, wherein the first URL address is distinguished based on a unique identifier of the FLV video stream, device information, and channel information, and the second URL address is distinguished based on the device information of the FLV video stream, the channel information, and a file time.
7. A playing apparatus for cloud-stored video data, comprising:
the acquisition module is used for acquiring video data based on a first target protocol and positioning data based on a second target protocol;
the determining module is used for determining the storage code rate of the video data according to the positioning data;
the FFmpeg component converts the analyzed video data into at least one path of FLV video stream according to the storage code rate;
and the playing module is used for sending the FLV video stream to an SRS component to play in real time or store the FLV video stream to realize historical playback.
8. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements a method for playing cloud-stored video data according to any one of claims 1 to 6 when executing the program.
9. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements a method for playing back cloud-stored video data according to any one of claims 1 to 6.
10. A computer program product comprising a computer program, wherein the computer program, when executed by a processor, implements a method for playing back cloud-stored video data as claimed in any one of claims 1 to 6.
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