CN114157904A - Cloud video screen projection playing method and system based on mobile terminal and storage medium - Google Patents
Cloud video screen projection playing method and system based on mobile terminal and storage medium Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 15
- 230000000977 initiatory effect Effects 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 13
- 238000013528 artificial neural network Methods 0.000 claims description 3
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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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
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
The invention discloses a cloud video screen projection playing method, a cloud video screen projection playing system and a storage medium based on a mobile terminal, wherein the method comprises the following steps: s01, acquiring video data, auditing the video data, storing the video data meeting the preset requirements in a cloud server, and constructing a video database and a video list in the cloud server; s02, the mobile terminal establishes communication connection with the cloud server and the screen projection terminal respectively; s03, acquiring a video list, and initiating an on-demand request according to video data in the video list; s04, the cloud server calls corresponding video data according to the on-demand request, generates a download address of the video data and sends the download address to the mobile terminal; s05, the mobile terminal receives the download address of the video data requested, downloads and caches the video data in a video stream mode, and transmits the cached video data to the screen projection terminal for playing.
Description
Technical Field
The invention relates to the technical field of video playing, in particular to a cloud video screen-casting playing method and system based on a mobile terminal and a storage medium.
Background
The video projection screen is taken as a data playing and transmitting technology of hot time, along with the increasing of playing materials, the quantity of high-quality playing materials is increased, the video projection screen also becomes a more and more user-friendly playing means, however, on the basis of the mass playing materials, the abnormal playing contents doped in the mass playing materials are increased day by day, although most of current social media and video service platforms are provided with a video auditing mechanism, most of the current social media and video service platforms are monitored afterwards, and when a projection screen terminal plays video data points, the materials are possibly replaced, in addition, the current projection screen terminal has the problems of various types and uneven communication capacity, therefore, when the cloud video frequency point is played through different projection screen terminals, the problems of complicated access steps and unstable data transmission often exist, therefore, how to provide cloud video with healthy contents and optimizing the projection screen terminal is convenient to play on-demand the cloud video, The stability of data transmission is a topic with positive practical significance.
Disclosure of Invention
In view of the above, the present invention is to provide a cloud video screen projection playing method, system and storage medium based on a mobile terminal, which are reliable in implementation, convenient in operation and stable in data transfer.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a cloud video screen-casting playing method based on a mobile terminal comprises a cloud server, the mobile terminal and a screen-casting terminal, and the playing method comprises the following steps:
s01, video data are obtained and are checked, the video data meeting the preset requirements are stored in a cloud server, a video database and a video list are constructed in the cloud server, the video data in the video database all have unique IDs, and the video list is used for recording video information in the video database and the IDs corresponding to the video data;
s02, the mobile terminal establishes communication connection with the cloud server and the screen projection terminal respectively;
s03, acquiring a video list, and initiating an on-demand request according to video data in the video list;
s04, the cloud server calls corresponding video data according to the on-demand request, generates a download address of the video data and sends the download address to the mobile terminal;
s05, the mobile terminal receives the download address of the requested video data, downloads and caches the video data in a video stream mode, and transmits the cached video data to the screen projection terminal for playing.
As a possible implementation manner, in S01, the obtained video data is captured by the internet or actively uploaded by an individual or an enterprise, when the video data is actively uploaded, an uploading IP address of the video data is also recorded, and the obtained video data is audited through a manual and/or detection neural network.
As a possible implementation manner, the scheme further includes a wifi router, in S02, the mobile terminal is connected to the cloud server through wifi or an operator network; the screen projection terminal is in communication connection with the wifi router, and when the mobile terminal is connected to the cloud server through wifi, video data sent to the screen projection terminal by the mobile terminal is transferred through the wifi router; and when the mobile terminal and the screen projection terminal establish direct or indirect communication connection, the mobile terminal obtains the content playing control right of the screen projection terminal.
As a possible implementation manner, in S03, the video list is obtained through the mobile terminal and/or the screen projection terminal, and an on-demand request is initiated according to the video data in the video list.
As a possible implementation manner, further, in S04, the video data download address generated by the cloud server is a time-limited download address or an access time limit address, and the video data download address is deleted when the time-limited download address is outside the time-limited interval or the access time exceeds a preset value.
As a possible implementation manner, further, when the mobile terminal downloads and caches the video data in a video stream manner in S05, the mobile terminal further correspondingly intercepts T seconds of the video data in the video stream and generates a test file, then reads the capacity size of the test file, sends the test file to the screen projection terminal and receives feedback information fed back by the screen projection terminal after completely receiving the file, and the screen projection terminal takes the time node of receiving the feedback information as the first time T1Taking the time node of starting to send the test file as a second time T2Calculating a first time T1And a second time T2Converts the unit of Δ T into seconds and then divides it by T to obtain a reference coefficient x,
wherein x ═ Δ T ÷ T;
when x is smaller than 1, the screen projection terminal receives the video data transmitted by the mobile terminal, delays for 5 seconds and enters a playing state;
when x is larger than or equal to 1, the screen projection terminal enters a playing state after y seconds of video data transmitted by the mobile terminal are received and delayed for 5 seconds;
wherein, y is T (x-1)
T is the total playing time of the video data, x is the reference coefficient, and T, y has the unit of seconds.
As a possible implementation manner, further, S01 further includes classifying video data in a video list, where one video data has more than one piece of classification information and sets a corresponding push weight value, video information in the video list is sorted according to the push weight value, and video information with the same weight value is randomly sorted.
As a preferred alternative, preferably, the playing method further includes:
s06, recording the screen projection playing time of the video data and feeding the screen projection playing time back to the cloud server, matching the screen projection playing time of the video data with a preset threshold value by the cloud server, increasing the pushing weight value of the video data when the screen projection playing time is larger than the preset threshold value, and reducing the pushing weight value of the video data when the screen projection playing time is smaller than the preset threshold value.
Based on the above scheme, the present invention further provides a cloud video screen-casting playing system based on a mobile terminal, which includes:
the cloud server is used for acquiring video data, storing the video data meeting preset requirements in the cloud server after the video data are checked, constructing a video database and a video list in the cloud server, wherein the video data in the video database have unique IDs, the video list is used for recording video information in the video database and the IDs corresponding to the video data, and is also used for calling the corresponding video data according to a request for requesting, generating a download address of the video data and issuing the download address to the mobile terminal;
the mobile terminal and the screen projection terminal are both used for acquiring a video list and initiating an on-demand request according to video data in the video list;
the mobile terminal is also used for receiving the downloading address of the requested video data, downloading and caching the video data in a video streaming mode, and transmitting the cached video data to the screen projection terminal for playing.
In this scheme, mobile terminal can be notebook computer, cell-phone, panel computer, throw screen terminal can be for the display, possess bluetooth, wifi or networking function's TV, possess bluetooth, wifi or networking function's projecting apparatus.
Based on the above scheme, the present invention further provides a computer-readable storage medium, where at least one instruction, at least one program, a code set, or an instruction set is stored in the storage medium, and the at least one instruction, the at least one program, the code set, or the instruction set is loaded by a processor and executed to implement the cloud video screen projection playing method based on the mobile terminal.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: according to the scheme, the mobile terminal is used as a communication intermediate medium, the mobile terminal is connected with the screen projection terminal and receives video data issued by the cloud server, and then the video data are forwarded to the screen projection terminal to be projected and played, so that the problems of network compatibility and data transmission compatibility of direct connection between the cloud server and the screen projection terminal are solved, the compatibility advantage of the mobile terminal is added to the screen projection terminal, meanwhile, the starting point of playing the video data by the screen projection terminal is determined through a specific calculation mechanism, through the scheme, the time node starting of playing the video content by the screen projection terminal can be determined efficiently, and the problem that the screen projection terminal cannot play normally due to the fact that the video data cannot be transmitted timely under the small fluctuation of network communication is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a simplified embodiment of the process of the present invention;
FIG. 2 is one of the schematic connections for a simplified implementation of the system of the present invention;
FIG. 3 is a second schematic diagram of the system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Similarly, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive work are within the scope of the present invention.
As shown in one of fig. 1 and fig. 2, in the present scheme, a cloud video screen-casting playing method based on a mobile terminal includes a cloud server, the mobile terminal, and a screen-casting terminal, and the playing method includes:
s01, video data are obtained and are checked, the video data meeting the preset requirements are stored in a cloud server, a video database and a video list are constructed in the cloud server, the video data in the video database all have unique IDs, and the video list is used for recording video information in the video database and the IDs corresponding to the video data;
s02, the mobile terminal establishes communication connection with the cloud server and the screen projection terminal respectively;
s03, acquiring a video list, and initiating an on-demand request according to video data in the video list;
s04, the cloud server calls corresponding video data according to the on-demand request, generates a download address of the video data and sends the download address to the mobile terminal;
s05, the mobile terminal receives the download address of the requested video data, downloads and caches the video data in a video stream mode, and transmits the cached video data to the screen projection terminal for playing.
In order to facilitate tracing back the source of the video data, as a possible implementation manner in the present solution, further, in S01, the obtained video data is captured for internet data or actively uploaded by individuals or enterprises, when the video data is actively uploaded, an uploading IP address of the video data is also recorded, the obtained video data is audited through a manual and/or detection neural network, and by recording the IP address, tracing back the source of the video data that does not comply with the regulations is facilitated, so that the authority of the IP address is adjusted according to the preset conditions.
With reference to fig. 3, in order to improve the communication connection reliability of the cloud server, the mobile terminal and the screen projection terminal, as a possible implementation manner, the present solution further includes a wifi router, and in S02, the mobile terminal is connected to the cloud server through wifi or an operator network; the screen projection terminal is in communication connection with the wifi router, and when the mobile terminal is connected to the cloud server through wifi, video data sent to the screen projection terminal by the mobile terminal is transferred through the wifi router; and when the mobile terminal and the screen projection terminal establish direct or indirect communication connection, the mobile terminal obtains the content playing control right of the screen projection terminal.
In order to facilitate the video data on demand, as a possible implementation manner, in S03, the video list is obtained through the mobile terminal and/or the screen projection terminal, and an on-demand request is initiated according to the video data in the video list.
In some pay or time-limited play scenarios, in order to avoid video data being requested in excess of the amount, as a possible implementation manner, further in S04, the video data download address generated by the cloud server is a time-limited download address or an access time limit address, and the download address of the video data is deleted when the time-limited interval is out or the access time exceeds a preset value.
In order to improve the fluency and the continuity of playing of the video content by the screen projection terminal, as a possible implementation manner, further, when the mobile terminal downloads and caches the video data in a video stream manner in S05, the mobile terminal correspondingly intercepts T seconds of the video data in the video stream and generates a test file, then reads the volume of the test file, sends the test file to the screen projection terminal, and receives feedback information fed back by the screen projection terminal after the file is completely received, and the screen projection terminal takes a time node of receiving the feedback information as a first time T1Taking the time node of starting to send the test file as a second time T2Calculating a first time T1And a second time T2A time difference Δ T ofThe T unit is converted to seconds and then divided by T, obtaining a reference coefficient x,
wherein x ═ Δ T ÷ T;
when x is smaller than 1, the screen projection terminal receives the video data transmitted by the mobile terminal, delays for 5 seconds and enters a playing state;
when x is larger than or equal to 1, the screen projection terminal enters a playing state after y seconds of video data transmitted by the mobile terminal are received and delayed for 5 seconds;
wherein, y is T (x-1)
T is the total playing time of the video data, x is the reference coefficient, and T, y has the unit of seconds.
By the scheme, the time node starting of playing the video content by the screen projection terminal can be efficiently determined, and the problem that the screen projection terminal cannot normally play due to the fact that video data cannot be timely transmitted under small fluctuation of network communication is avoided.
As a possible implementation manner, further, S01 further includes classifying video data in a video list, where one video data has more than one piece of classification information and sets a corresponding push weight value, video information in the video list is sorted according to the push weight value, and video information with the same weight value is randomly sorted.
As a preferred alternative, preferably, the playing method further includes:
s06, recording the screen projection playing time of the video data and feeding the screen projection playing time back to the cloud server, matching the screen projection playing time of the video data with a preset threshold value by the cloud server, increasing the pushing weight value of the video data when the screen projection playing time is larger than the preset threshold value, and reducing the pushing weight value of the video data when the screen projection playing time is smaller than the preset threshold value.
As shown in fig. 2, based on the above scheme, the present invention further provides a cloud video screen-casting playing system based on a mobile terminal, which includes:
the cloud server is used for acquiring video data, storing the video data meeting preset requirements in the cloud server after the video data are checked, constructing a video database and a video list in the cloud server, wherein the video data in the video database have unique IDs, the video list is used for recording video information in the video database and the IDs corresponding to the video data, and is also used for calling the corresponding video data according to a request for requesting, generating a download address of the video data and issuing the download address to the mobile terminal;
the mobile terminal and the screen projection terminal are both used for acquiring a video list and initiating an on-demand request according to video data in the video list;
the mobile terminal is also used for receiving the downloading address of the requested video data, downloading and caching the video data in a video streaming mode, and transmitting the cached video data to the screen projection terminal for playing.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be substantially or partially implemented in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) 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.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A cloud video screen-casting playing method based on a mobile terminal comprises a cloud server, the mobile terminal and a screen-casting terminal, and is characterized in that the playing method comprises the following steps:
s01, video data are obtained and are checked, the video data meeting the preset requirements are stored in a cloud server, a video database and a video list are constructed in the cloud server, the video data in the video database all have unique IDs, and the video list is used for recording video information in the video database and the IDs corresponding to the video data;
s02, the mobile terminal establishes communication connection with the cloud server and the screen projection terminal respectively;
s03, acquiring a video list, and initiating an on-demand request according to video data in the video list;
s04, the cloud server calls corresponding video data according to the on-demand request, generates a download address of the video data and sends the download address to the mobile terminal;
s05, the mobile terminal receives the download address of the requested video data, downloads and caches the video data in a video stream mode, and transmits the cached video data to the screen projection terminal for playing.
2. The cloud video screen-casting playing method based on the mobile terminal as claimed in claim 1, wherein in S01, the obtained video data is captured by internet data or actively uploaded by individuals or enterprises, when the video data is actively uploaded, the uploading IP address of the video data is also recorded, and the obtained video data is audited through manual work and/or a detection neural network.
3. The cloud video screen projection playing method based on the mobile terminal as claimed in claim 1, further comprising a wifi router, in S02, the mobile terminal is connected to the cloud server through wifi or an operator network; the screen projection terminal is in communication connection with the wifi router, and when the mobile terminal is connected to the cloud server through wifi, video data sent to the screen projection terminal by the mobile terminal is transferred through the wifi router; and when the mobile terminal and the screen projection terminal establish direct or indirect communication connection, the mobile terminal obtains the content playing control right of the screen projection terminal.
4. The cloud video screen-casting playing method based on the mobile terminal as claimed in claim 1, wherein in S03, the video list is obtained through the mobile terminal and/or the screen-casting terminal, and an on-demand request is initiated according to video data in the video list.
5. The cloud video screen projection playing method based on the mobile terminal as claimed in claim 1, wherein in S04, the video data download address generated by the cloud server is a time-limited download address or an access frequency limiting address, and the video data download address is deleted when the time-limited download address is outside a time-limited interval or the access frequency exceeds a preset value.
6. The cloud video screen projection playing method based on the mobile terminal as claimed in claim 1, wherein when the mobile terminal downloads and caches the video data in a video stream manner in S05, the mobile terminal further intercepts T seconds of the video data in the video stream and generates a test file, then reads the volume of the test file, sends the test file to the screen projection terminal and receives feedback information fed back by the screen projection terminal after the test file is completely received, and the screen projection terminal takes a time node of receiving the feedback information as the first time T1Taking the time node of starting to send the test file as a second time T2Calculating a first time T1And a second time T2Converts the unit of Δ T into seconds and then divides it by T to obtain a reference coefficient x,
wherein x ═ Δ T ÷ T;
when x is smaller than 1, the screen projection terminal receives the video data transmitted by the mobile terminal, delays for 5 seconds and enters a playing state;
when x is larger than or equal to 1, the screen projection terminal enters a playing state after y seconds of video data transmitted by the mobile terminal are received and delayed for 5 seconds;
wherein, y is T (x-1)
T is the total playing time of the video data, x is the reference coefficient, and T, y has the unit of seconds.
7. The cloud video screen-casting playing method based on the mobile terminal of claim 1, wherein S01 further includes classifying video data in a video list, and one video data has more than one piece of classification information and sets a corresponding push weight value, the video information in the video list is sorted according to the push weight value, and the video information with the same weight value is randomly sorted.
8. The cloud video screen-projection playing method based on the mobile terminal as claimed in claim 7, wherein the playing method further comprises:
s06, recording the screen projection playing time of the video data and feeding the screen projection playing time back to the cloud server, matching the screen projection playing time of the video data with a preset threshold value by the cloud server, increasing the pushing weight value of the video data when the screen projection playing time is larger than the preset threshold value, and reducing the pushing weight value of the video data when the screen projection playing time is smaller than the preset threshold value.
9. The utility model provides a cloud video throws screen play system based on mobile terminal which characterized in that, it includes:
the cloud server is used for acquiring video data, storing the video data meeting preset requirements in the cloud server after the video data are checked, constructing a video database and a video list in the cloud server, wherein the video data in the video database have unique IDs, the video list is used for recording video information in the video database and the IDs corresponding to the video data, and is also used for calling the corresponding video data according to a request for requesting, generating a download address of the video data and issuing the download address to the mobile terminal;
the mobile terminal and the screen projection terminal are both used for acquiring a video list and initiating an on-demand request according to video data in the video list;
the mobile terminal is also used for receiving the downloading address of the requested video data, downloading and caching the video data in a video streaming mode, and transmitting the cached video data to the screen projection terminal for playing.
10. A computer-readable storage medium, characterized in that: the storage medium stores at least one instruction, at least one program, a code set or an instruction set, and the at least one instruction, the at least one program, the code set or the instruction set is loaded by a processor and executed to implement the cloud video screen projection playing method based on the mobile terminal according to one of claims 1 to 8.
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