CN114866838B - Live broadcast on-demand method and system based on information processing - Google Patents
Live broadcast on-demand method and system based on information processing Download PDFInfo
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- CN114866838B CN114866838B CN202210607654.5A CN202210607654A CN114866838B CN 114866838 B CN114866838 B CN 114866838B CN 202210607654 A CN202210607654 A CN 202210607654A CN 114866838 B CN114866838 B CN 114866838B
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- 230000010365 information processing Effects 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 31
- 101150093857 Ccn4 gene Proteins 0.000 claims description 22
- 101150081978 ELM1 gene Proteins 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 230000009191 jumping Effects 0.000 claims description 2
- 238000012163 sequencing technique Methods 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
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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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
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Abstract
The invention discloses a live broadcast and on-demand method based on information processing, which comprises the following steps: s1, a first information processing module prioritizes the complete video information according to metadata of the complete video information generated from the live broadcasting room to the current time; s2, the first information processing module also ranks the priority of the complete video information according to the structure of the complete video information aiming at the complete video information generated by the live broadcasting room at the current time; s3, the first information processing module determines priority from the result of performing priority ranking on the complete video information according to the metadata and the structure of the complete video information respectively; s4, the first information processing module decomposes the complete video information according to the priority order determined in the S3, and sends the decomposed video information to the second information processing module, and the second information processing module merges and displays the decomposed video information according to the need.
Description
Technical Field
The invention belongs to the technical field of live broadcast and on-demand goods, and particularly relates to a live broadcast and on-demand goods method and system based on information processing.
Background
With the continuous development of new media, new media platforms such as voice trembling, small red books, microblogs and the like are increasingly popular, live broadcast and live delivery are carried out through the new media platforms, a live broadcast and live delivery mode has sufficient passenger sources, but in the process that customers participate in live broadcast and live delivery, network problems possibly occur due to mobile equipment participating in live broadcast and live delivery, such as unstable wireless network of mobile phones used by customers, can cause the problem that the mobile equipment participating in live broadcast and live delivery is disconnected in a short time, the mobile equipment cannot continuously receive video information of a live broadcast room during the disconnection period, when the network of the mobile equipment is restored to be normal, the customers possibly miss key information about the commodity in the live broadcast room, such as introduction of the commodity efficacy in the live broadcast room, not only can reduce the commodity purchase amount in the live broadcast room, but also can reduce the shopping experience of the customers, and therefore, the method and the system for researching the live broadcast and live delivery method and the system are very important in order to solve the problems.
Disclosure of Invention
Aiming at the technical problems, the invention provides a live broadcast and on-demand method based on information processing, and the live broadcast and on-demand method is realized by means of a live broadcast and on-demand system based on information processing, so that when a communication network of a customer participating in live broadcast and on-demand is disconnected, a key live broadcast video which is not watched yet can be displayed for the customer, the shopping experience of the customer is improved, and the commodity purchase amount of a live broadcast room is prevented from being influenced.
In order to achieve the above object, a live broadcast method based on information processing is provided, which specifically includes the following steps:
s1, a first information processing module prioritizes complete video information generated by a live broadcasting room at the current time according to metadata of the complete video information, wherein the metadata comprises video frames for introducing efficacy of commodities in the live broadcasting room, video frames with high flow rate in the live broadcasting room and video frames with high commodity purchase amount in the live broadcasting room;
s2, the first information processing module also ranks the priority of the complete video information according to the structure of the complete video information aiming at the complete video information generated by the live broadcasting room at the current time;
s3, the first information processing module determines priority from the result of priority sorting of the complete video information according to the metadata and the structure of the complete video information respectively;
s4, the first information processing module decomposes the complete video information according to the priority order determined in the S3, and sends the decomposed video information of the complete video information to the second information processing module, and the second information processing module merges and displays the decomposed video information according to the requirement.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention relates to a live broadcast carrying method based on information processing, which comprises the steps that firstly, a first information processing module prioritizes complete video information according to metadata of complete video information generated by a live broadcast room at the current time, secondly, the first information processing module prioritizes the complete video information according to the structure of the complete video information aiming at the complete video information generated by the live broadcast room at the current time, thirdly, the first information processing module determines the priority from the result of prioritizing the complete video information according to the structures of the metadata and the complete video information respectively, and finally, the first information processing module decomposes the complete video information according to the priority sequence determined in S3 and sends the decomposed video information to a second information processing module which merges and displays the decomposed video information according to requirements;
2. the invention solves the problem that the customer cannot continuously watch the video information of the living broadcasting room during the disconnection period caused by the disconnection of the communication network used by the customer, and when the communication network is restored to be normal, the customer has missed the key information about the commodity of the living broadcasting room, thereby not only ensuring that the key part in the video information of the living broadcasting room which is not watched is still displayed for the customer when the communication network is disconnected, but also avoiding the reduction of the commodity purchase amount of the living broadcasting room caused by the disconnection of the communication network.
Drawings
FIG. 1 is a flow chart of steps of a live broadcast on-demand method based on information processing according to the present invention;
FIG. 2 is a flowchart illustrating the steps for prioritizing full video information based on metadata in accordance with the present invention;
FIG. 3 is a flowchart illustrating the steps for prioritizing complete video information according to structure in accordance with the present invention;
FIG. 4 is a flowchart illustrating the steps for prioritizing complete video information based on metadata and structure, respectively, in accordance with the present invention;
fig. 5 is a component structure diagram of a live broadcast on-demand system based on information processing according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another element. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of the present application.
Referring to fig. 1, the invention provides a live broadcast and on-demand method based on information processing, which is realized by executing the following steps:
s1, a first information processing module prioritizes the complete video information according to metadata about the complete video information generated by the live broadcasting room at the current time, wherein the metadata comprises video frames for introducing efficacy of commodities in the live broadcasting room, video frames with high flow rate in the live broadcasting room and video frames with high commodity purchase amount in the live broadcasting room;
s2, the first information processing module also ranks the priority of the complete video information according to the structure of the complete video information aiming at the complete video information generated by the live broadcasting room when the current time is reached;
s3, the first information processing module determines priority from the result of priority ordering of the complete video information according to the metadata and the structure of the complete video information respectively;
s4, the first information processing module decomposes the complete video information according to the priority order determined in the S3, and sends the decomposed video information of the complete video information to the second information processing module, and the second information processing module merges and displays the decomposed video information according to the requirement.
Further, referring to fig. 2, the step S1 of prioritizing the complete video information according to the metadata includes the following steps:
s11, setting video frames corresponding to the video frame numbers of the metadata in the complete video information as high priority;
s12, setting other video frames in the complete video information to be low priority on the basis of the S11;
s13, regarding the video frames with high priority and low priority respectively, the video frames with early generation time have higher priority than the video frames with late generation time;
specifically, the inventor considers that when live broadcasting and taking goods, the importance degree of the complete video information generated by the live broadcasting room can be distinguished according to different times, the priority of the video information with higher importance degree should be set to be high, and the priority of the video information with lower importance degree should be set to be low, so as to facilitate understanding, for example, the video information when the live broadcasting room introduces the efficacy of goods has higher importance degree, because the customer only fully knows the efficacy of goods and then only purchases the live broadcasting room goods, and the video information when the live broadcasting room has high flow and high goods purchase amount also has higher importance degree, because the high flow and the high goods purchase amount both mean that the goods sold by the live broadcasting room can be better favored by customers than other goods, namely have sales potential, therefore, metadata of the complete video information is used for storing information similar to the above information, including but not limited to the number of frames for introducing the efficacy of the live broadcasting room goods, the video with high flow, and the video with high goods purchase amount in the live broadcasting room can be purchased only after the customer fully knows the efficacy of goods, and the video information with high flow and the live broadcasting room has higher importance degree when the live broadcasting room has high commodity purchase amount, and the priority can be generated according to the priority of the live broadcasting room video, and the priority of the live broadcasting room video can be generated by the live broadcasting room video, and the live broadcasting information can be better for the customer when the live broadcasting video is compared with other goods, and the live broadcasting frame information can be better.
Further, referring to fig. 3, the step S2 of prioritizing the complete video information according to the structure of the complete video information includes the following steps:
s21, setting an I video frame in the complete video information as a high priority;
s22, setting a P video frame in the complete video information as a medium priority;
s23, setting the B video frame in the complete video information as low priority;
s24, respectively regarding the video frames with high priority, medium priority and low priority, generating the video frames with early time and higher priority than the video frames with late time;
specifically, the process of playing the complete video information generated in the live broadcasting room can be simply understood as a process that video pictures of a frame are presented according to time sequence, and the video frames are divided into different categories including an I video frame, a P video frame and a B video frame, wherein the I video frame is an intra-coded frame, the P video frame is a forward prediction frame, the B video frame is a bidirectional interpolation frame, the I video frame is a complete video picture, the P video frame and the B video frame are respectively recorded relative to the change of the I video frame, if no I video frame exists, the P video frame and the B video frame cannot be decoded, so that the priority of the I video frame is high, the first information processing module should be sent to the second information processing module firstly, and the priority of the P video frame should be medium, the first information processing module should send the I video frame and the B video frame to the second information processing module after the I video frame, and the second information processing module should be sent to the first information processing module after the I video frame, and the second information processing module should be low, and the priority of the first information processing module should be sent to the second information processing module to the live broadcasting frame, and the first information processing module can be sent to the live broadcasting frame, and the second information processing module can be generated according to the time sequence, and the priority of the live broadcasting frame can be generated.
Further, referring to fig. 4, the step S3 determines the priority from the result of prioritizing the complete video information according to the structures of the metadata and the complete video information, respectively, and includes the following steps:
s31, setting a LIST of positions of the video frames recorded in the complete video information according to the priority order as LIST1;
s32, storing the video frames of the complete video information which is not recorded in the LIST1 table into the LIST2 table;
s33, setting a video frame with the highest PRIORITY in the LIST2 table when using metadata for PRIORITY sorting as ELM1, and setting the PRIORITY of the video frame ELM1 as PRIORITY1;
s34, setting a video frame with the highest PRIORITY in the LIST2 table when the PRIORITY ordering is performed by using the structure of the complete video information as ELM2, and setting the PRIORITY of the video frame ELM2 as PRIORITY2;
s35, judging whether the video frame ELM1 and the video frame ELM2 exist simultaneously, if so, jumping to the step S37, otherwise, continuing to the step S36;
s36, judging whether the video frame ELM1 exists, if the video frame ELM1 exists, executing a step S38, and if the video frame ELM1 does not exist, executing a step S39;
s37, judging whether the PRIORITY PRIORITY1 is higher than the PRIORITY PRIORITY2, executing the step S38 when the PRIORITY PRIORITY1 is higher than the PRIORITY PRIORITY2, otherwise, executing the step S39;
s38, recording the video frame ELM1 in a LIST1 table, and deleting the video frame ELM1 from a LIST2 table;
s39, recording the video frame ELM2 in a LIST1 table, and deleting the video frame ELM2 from the LIST2 table;
s310, judging whether the LIST2 table is empty, if the LIST2 table is empty, the video frame sequence recorded in the LIST1 table is the final priority sequence, and if the LIST2 table is empty, the step is finished, otherwise, the step S33 is skipped;
specifically, in the above-mentioned process, the first step sets LIST of the positions of the video frames recorded in the LIST of PRIORITY order in the complete video information as LIST1, that is, the order of the video frames recorded in LIST1 is the final PRIORITY order, LIST1 is empty at the beginning, the second step stores the video frames of the complete video information which have not been recorded in LIST1 into LIST2, the LIST2 table stores the complete video information generated by the live broadcasting room at the current time at the beginning, the third and fourth steps respectively take out the video frame ELM1 and the video frame ELM2 with the highest PRIORITY in terms of metadata and structural order from the LIST2 table, and their PRIORITY levels PRIORITY1 and PRIORITY2, fifth step through ninth step, when video frame ELM1 and video frame ELM2 exist simultaneously, and PRIORITY level PRIORITY1 is greater than PRIORITY level PRIORITY2, and recording the video frame ELM1 in the LIST1 table and deleting the video frame ELM1 from the LIST2 table when only the video frame ELM1 exists, and when the video frame ELM1 and the video frame ELM2 exist simultaneously and the PRIORITY1 is equal to or less than the PRIORITY2, and recording the video frame ELM2 in the LIST1 table and deleting the video frame ELM2 from the LIST2 table when only the video frame ELM2 exists, the last step is ended when the LIST2 table is judged to be empty, otherwise, repeating the third step, and after the above procedure, the first information processing module transmits the respective video frames to the second information processing module in the order of the video frames recorded in the LIST1 table, thereby ensuring that key video information in the complete video information generated by the live broadcasting room up to the current time can be transmitted to customers taking part in live broadcasting in a very short time.
Further, the process of merging the decomposed video information by the second information processing module in the step S4 includes that when the communication network for transmitting the decomposed video information from the first information processing module to the second information processing module is normal, the second information processing module merges the received decomposed video information with high priority, medium priority and low priority, and when the communication network is disconnected, the second information processing module merges the received decomposed video information with high priority;
further, under the condition that the communication network is disconnected, when the video combined by the second information processing module is displayed, but the communication network is not recovered yet, the second information processing module displays the prestored alternative video;
specifically, in the actual situation, when a customer purchases a commodity in a living broadcasting room by watching video information generated in the living broadcasting room, due to the time delay of living broadcasting, delay caused by video information acquisition and encoding, delay caused by video information transmission, delay caused by video information decoding and playing, a certain delay exists in the video picture which is observed objectively at the same time compared with the video picture at the current time of the living broadcasting room, that is, a certain number of video frames already occur, but the video frames are not seen by the customer, meanwhile, in the other contents, the first information processing module sends each video frame to the second information processing module according to the video frame sequence recorded in the LIST1, so that the key video information in the complete video information generated by the living broadcasting room at the current time is transmitted to the second information processing module in a very short time, that is, before the communication network used by the customer is disconnected, the key video information, i.e., the video information with high priority, in the complete video information generated by the live broadcasting room at the current time is very likely to be received by the second information processing module, while because the decomposed video information with lower priority, i.e., the data frame, is transmitted after the decomposed video information with high priority, i.e., the data frame, which may result in that the second information processing module has not received the decomposed video information with lower priority, i.e., the data frame, when the communication network is disconnected, the second information processing module ensures that the key part of the video information of the live broadcasting room which is not yet watched is still displayed to the customer when the communication network is disconnected, therefore, a customer cannot miss key information about commodities in a living broadcast room when the communication network is disconnected, meanwhile, the problem that the commodity purchase amount in the living broadcast room is reduced due to the fact that the communication network is disconnected is avoided, in addition, when the communication network is normal, the second information processing module combines received high-priority, medium-priority and low-priority decomposed video information, namely video frames, and further, considering that when the combined video of the second information processing module is displayed, the communication network may not be restored yet, the second information processing module improves shopping experience of the customer by displaying a prestored replacement video, such as introduction video about commodities in the living broadcast room, for example, the problem that the customer cannot see video pictures is avoided.
Referring to fig. 5, the invention further provides a live broadcast and on-demand system based on information processing, which is used for implementing a live broadcast and on-demand method based on information processing as described above, and specifically comprises the following modules:
the first information processing module is used for sequencing the priorities of the video information generated by the live broadcasting room, and decomposing and transmitting the video information according to the priority order;
the communication module is used for transmitting the decomposed video information sent by the first information processing module to the second information processing module by means of a communication network;
and the second information processing module is used for receiving the decomposed video information from the first information processing module according to the priority order, and combining and displaying the decomposed video information.
Further, referring to fig. 5, the first information processing module specifically further includes the following units:
the video storage unit is used for storing complete video information generated by the live broadcasting room at the current time;
a metadata storage unit for storing metadata about complete video information generated up to a current time by the live broadcasting room, the metadata specifically including video frames for efficacy introduction of commodities in the live broadcasting room, video frames having a high flow rate in the live broadcasting room, and video frames having a high commodity purchase amount in the live broadcasting room;
the priority judging unit is used for determining priority from the result of the priority sorting of the complete video information according to the structures of the metadata and the complete video information respectively;
a decomposition unit for decomposing the complete video information in accordance with the priority order determined by the priority determination unit;
and the sending unit is used for sending the decomposed video information of the complete video information to the second information processing module.
Further, referring to fig. 5, the second information processing module specifically further includes the following units:
a receiving unit for receiving and storing the decomposed video information from the first information processing module in order of priority;
a synthesizing unit configured to combine the decomposed video information in the receiving unit and obtain synthesized video information;
and the display unit is used for displaying the synthesized video information in the synthesis unit to customers participating in live broadcast and carrying goods.
In summary, in the live broadcast on-demand method based on information processing, firstly, the first information processing module prioritizes the complete video information according to metadata about the complete video information generated by the live broadcast room at the current time, secondly, the first information processing module prioritizes the complete video information according to the structure of the complete video information with respect to the complete video information generated by the live broadcast room at the current time, thirdly, the first information processing module determines the priority from the result of prioritizing the complete video information according to the metadata and the structure of the complete video information respectively, finally, the first information processing module decomposes the complete video information according to the priority order determined in S3 and sends the decomposed video information to the second information processing module, and the second information processing module merges and displays the decomposed video information as required. The invention solves the problem that the customer cannot continue watching the video information of the living broadcasting room during the disconnection period caused by the disconnection of the communication network used by the customer, and the customer possibly misses the key information about the commodity of the living broadcasting room when the communication network is restored to be normal, thereby not only ensuring that the key part in the video information of the living broadcasting room which is not watched yet can be displayed for the customer when the communication network is disconnected, but also avoiding the reduction of the commodity purchase quantity of the living broadcasting room caused by the disconnection of the communication network, and improving the shopping experience of the customer.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in various embodiments may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
Those skilled in the art will appreciate that implementing all or part of the above-described methods may be accomplished by way of computer programs, which may be stored on a non-transitory computer readable storage medium, and which, when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described, however, they should be considered as the scope of the description of the present specification as long as there is no contradiction between the combinations of the technical features.
The foregoing examples have been presented to illustrate only a few embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The live broadcast on-demand method based on information processing is characterized by comprising the following steps:
s1, a first information processing module prioritizes complete video information generated by a live broadcasting room at the current time according to metadata of the complete video information, wherein the metadata comprises video frames for introducing efficacy of commodities in the live broadcasting room, video frames with high flow rate in the live broadcasting room and video frames with high commodity purchase amount in the live broadcasting room;
s2, the first information processing module also ranks the priority of the complete video information according to the category of the complete video information aiming at the complete video information generated by the live broadcasting room at the current time;
s3, the first information processing module determines priority from the result of priority sorting of the complete video information according to the metadata and the category of the complete video information respectively;
s4, the first information processing module decomposes the complete video information according to the priority order determined in the S3, and sends the decomposed video information of the complete video information to the second information processing module through the communication module, wherein the communication module is used for transmitting the decomposed video information sent by the first information processing module to the second information processing module by means of a communication network, and the second information processing module combines and displays the decomposed video information according to requirements;
when the communication network is disconnected, the second information processing module merges the received high-priority decomposed video information.
2. The method for live delivery based on information processing according to claim 1, wherein the step of prioritizing the complete video information according to metadata in S1 comprises the steps of: s11, setting video frames in the complete video information, which correspond to the video frame numbers of the metadata, as high priority;
s12, setting other video frames in the complete video information to be low priority on the basis of the S11;
s13, regarding the video frames with high priority and low priority respectively, the video frames with early generation time have higher priority than the video frames with late generation time.
3. The method for live delivery based on information processing according to claim 1, wherein the step of prioritizing the complete video information according to the category of the complete video information in S2 comprises the steps of: s21, setting an I video frame in the complete video information as a high priority;
s22, setting a P video frame in the complete video information as a medium priority;
s23, setting the B video frame in the complete video information as low priority;
s24, regarding the video frames with high priority, medium priority and low priority respectively, the video frames with early generation time have higher priority than the video frames with late generation time.
4. The method according to claim 1, wherein the step of S3 of determining the priority from the result of prioritizing the complete video information according to the category of the metadata and the complete video information, respectively, comprises the steps of: s31, setting a LIST of positions of the video frames recorded in the complete video information according to the priority order as LIST1;
s32, storing the video frames of the complete video information which is not recorded in the LIST1 table into the LIST2 table;
s33, setting a video frame with the highest PRIORITY in the LIST2 table when using metadata for PRIORITY sorting as ELM1, and setting the PRIORITY of the video frame ELM1 as PRIORITY1;
s34, setting a video frame with the highest PRIORITY in the LIST2 table when the category of the complete video information is used for PRIORITY sorting as ELM2, and setting the PRIORITY of the video frame ELM2 as PRIORITY2;
s35, judging whether the video frame ELM1 and the video frame ELM2 exist simultaneously, if so, jumping to the step S37, otherwise, continuing to the step S36;
s36, judging whether the video frame ELM1 exists, if the video frame ELM1 exists, executing a step S38, and if the video frame ELM1 does not exist, executing a step S39;
s37, judging whether the PRIORITY PRIORITY1 is higher than the PRIORITY PRIORITY2, executing the step S38 when the PRIORITY PRIORITY1 is higher than the PRIORITY PRIORITY2, otherwise, executing the step S39;
s38, recording the video frame ELM1 in a LIST1 table, and deleting the video frame ELM1 from a LIST2 table;
s39, recording the video frame ELM2 in a LIST1 table, and deleting the video frame ELM2 from the LIST2 table;
s310, judging whether the LIST2 table is empty, if the LIST2 table is empty, the video frame sequence recorded in the LIST1 table is the final priority sequence, and if the LIST2 table is empty, the step is finished, otherwise, the step S33 is skipped.
5. The method according to claim 1, wherein the step of merging the decomposed video information on demand by the second information processing module in S4 includes merging the received high-priority, medium-priority, and low-priority decomposed video information by the second information processing module when the communication network for transmitting the decomposed video information from the first information processing module to the second information processing module is normal.
6. The method according to claim 5, wherein the second information processing module displays the pre-stored replacement video when the combined video of the second information processing module is displayed when the communication network is disconnected but the communication network is not restored.
7. A live delivery system based on information processing for implementing the method according to any of claims 1-6, comprising the following modules: the first information processing module is used for sequencing the priorities of the video information generated by the live broadcasting room and decomposing and transmitting the video information according to the priority order;
the communication module is used for transmitting the decomposed video information sent by the first information processing module to the second information processing module by means of a communication network;
and the second information processing module is used for receiving the decomposed video information from the first information processing module according to the priority order, and combining and displaying the decomposed video information.
8. The live delivery system based on information processing of claim 7, wherein the first information processing module specifically further comprises the following units: the video storage unit is used for storing complete video information generated by the live broadcasting room at the current time;
a metadata storage unit for storing metadata about complete video information generated by the live broadcasting room up to the current time, the metadata specifically including video frames for efficacy introduction of commodities in the live broadcasting room, video frames with high flow rate in the live broadcasting room, and video frames with high commodity purchase amount in the live broadcasting room;
the priority judging unit is used for determining priority from the result of the priority sorting of the complete video information according to the types of the metadata and the complete video information respectively;
a decomposition unit for decomposing the complete video information in accordance with the priority order determined by the priority determination unit;
and the sending unit is used for sending the decomposed video information of the complete video information to the second information processing module.
9. The live delivery system based on information processing according to claim 7, wherein the second information processing module specifically further comprises the following units: a receiving unit for receiving and storing the decomposed video information from the first information processing module in order of priority;
a synthesizing unit configured to combine the decomposed video information in the receiving unit and obtain synthesized video information;
and the display unit is used for displaying the synthesized video information in the synthesis unit to customers participating in live broadcast and carrying goods.
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