CN108111884B - Channel packaging broadcast control method and system - Google Patents
Channel packaging broadcast control method and system Download PDFInfo
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- CN108111884B CN108111884B CN201711352309.7A CN201711352309A CN108111884B CN 108111884 B CN108111884 B CN 108111884B CN 201711352309 A CN201711352309 A CN 201711352309A CN 108111884 B CN108111884 B CN 108111884B
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000012856 packing Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 39
- 238000000605 extraction Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009877 rendering Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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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 or manipulating encoded video stream scene graphs
- H04N21/23418—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics
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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
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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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
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26283—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for associating distribution time parameters to content, e.g. to generate electronic program guide data
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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
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
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- Databases & Information Systems (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention provides a channel package broadcasting control method and a system, which comprises the steps of obtaining program information and package item information; calling a program video and a packaging item material; extracting key frames of the program video, carrying out timestamp marking on the key frames, and analyzing the content of the packaging item material; judging whether the key information and the key frame have a packaging relationship, and linking the extracted key frame with the packaging item ID; modifying the broadcasting time node of the packing item according to the time stamp of the key frame to generate a channel broadcasting execution list; performing the broadcasting of the packing item according to the channel broadcasting execution list; the system comprises an external receiving module, a material calling module, an information extracting module, a time marking module, a packaging relation judging module, a linking module, an intervention adjusting module and an execution broadcasting module. According to the method and the device, the package item ID and the key frame of the program video can be bound and linked according to the package relation between the package item and the program video, so that the propaganda effect of the program video is effectively improved, and the audience rating of the program video is improved.
Description
Technical Field
The invention relates to the technical field of television broadcasting, in particular to a channel packaging broadcasting control method and a channel packaging broadcasting control system.
Background
The channel package means that the channel director adopts a program form with distinct characteristics according to the development rule of television media, audience watching requirements, specific program contents and channel characteristics to integrally introduce and publicize the channel and carefully arrange and beautify the program contents. The channel package can render vivid colors for the program contents, so that the visual requirements of audiences are met, the audience rating of the program is effectively improved, the channel package elements comprise channel identification, channel basic tones, channel propaganda, channel call signs, channel general titles and other elements, the channel identification can make people forget and feel deep in mind, and meanwhile, the good station logo can play a role in popularizing and strengthening the channel; the channel key can determine the dominant hue of the channel package; if the station logo is compared with the name card of the television channel, the promo film is the clothes of the television channel, and good channel packages can play a role in program propaganda, such as program notice, program station logo, program promo film and the like; the station logo and the publicity film build visual impact force, and the channel call sign strengthens the auditory impression of audiences; the channel header is used as the header when one channel is broadcast and the important time interval of one channel is started, so that the leader function is effectively realized, and the style of one channel is established. Therefore, a program that is attractive to viewers is important to set the packing items in addition to the content.
At present, in the existing live channel package, a package item and audio and video contents broadcasted by a channel broadcasting system are processed and broadcasted in a real-time rendering manner in a broadcasting process, for example, the package item is a program trailer, generally, when a program is broadcasted, the package item is used as a program and is broadcasted in a program broadcasting list in sequence according to broadcasting, the setting of the package item is not good for the propaganda effect of the channel, and if the time node of broadcasting the program is changed, the time node of broadcasting the package item cannot be changed in time, broadcast chaos easily occurs, and a channel broadcasting accident is caused.
Disclosure of Invention
The invention provides a channel packaging broadcasting control method and a channel packaging broadcasting control system, aiming at solving the problems that the advertising effect of the packaging item on a channel is poor, and broadcasting accidents of the channel are easily caused by disordered broadcasting if the broadcasting time node of the packaging item cannot be changed in time after the broadcasting time node of a program is changed in the prior art.
The specific technical scheme of the invention is as follows:
the invention provides a channel package broadcasting control method, which comprises the following steps:
s1, receiving a program schedule to be played, and acquiring program information and package item information of the current day through the program schedule to be played, wherein the program information comprises the name, program code, playing time and playing time node of a program played at each time interval;
s2, calling a program video from a program database according to the program information, and calling a packaging item material from a packaging database according to the packaging item information, wherein the packaging item information comprises a packaging item ID and a broadcasting time node of the packaging item;
s3, extracting key frames of the program video, carrying out timestamp marking on the key frames, and simultaneously carrying out content analysis on the packaging item material and extracting key information;
s4, judging whether the key information and the key frame have a packaging relationship, if so, linking the extracted key frame and the packaging item ID, and simultaneously storing the packaging item material into a packaging database to be played;
s5, performing intervention adjustment on the programming list to be played, and correspondingly modifying the playing time node of the packaging item according to the timestamp of the key frame to generate a channel playing execution list;
and S6, playing the packing item according to the channel playing execution list.
The invention also provides a channel packaging broadcasting control system, which comprises a server which is in communication connection with the program database and the packaging database and can realize data exchange, wherein the server comprises a packaging database to be played, an external receiving module which is in communication with the packaging database to be played, a material calling module, an information extraction module, a time marking module, a packaging relation judgment module, a linking module, an intervention adjustment module and an execution broadcasting module, wherein,
the external receiving module is used for receiving a program schedule to be played, and acquiring program information and packaging item information of the current day through the program schedule to be played, wherein the program information comprises the name, program codes, playing time and playing time nodes of the played program in each time period;
the material calling module is used for calling a program video from a program database according to the program information and calling a packaging item material from a packaging database according to the packaging item information, wherein the packaging item information comprises a packaging item ID and a broadcasting time node of the packaging item;
the information extraction module is used for extracting key frames of the program video and sending the key frames to the time marking module, and meanwhile, the information extraction module is also used for analyzing the content of the packaging item material, extracting key information and sending the key information to the packaging relation judgment module;
the time marking module is used for carrying out time mark marking on the key frame and correspondingly modifying the broadcasting time node of the packing item according to the time mark of the key frame;
the package relation judging module is used for judging whether the key information and the key frame have a package relation or not, and if the package relation exists, generating a link instruction and sending the link instruction to the connecting module;
the link module is used for linking the extracted key frames with the packaging item ID and sending an instruction for storing the packaging item materials to the packaging database to be played to the material calling module;
the interference adjustment module is used for performing interference adjustment on the programming list to be played, sending an instruction for modifying the playing time node of the packing item to the time marking module and generating a channel playing execution list;
the execution broadcasting module is used for broadcasting the packing item according to the channel broadcasting execution list;
and the packaging to-be-played database is used for storing packaging item materials.
The invention has the following beneficial effects: the control method provided by the invention can bind and link the package item ID and the key frame of the program video according to the package relation between the package item and the program video, effectively improve the propaganda effect of the program video, improve the audience rating of the program video, provide help for editing the program typesetting, facilitate the program typesetting, effectively avoid the phenomenon of package item broadcasting errors caused by the change of the broadcasting time node of the program video, further improve the rendering effect of the program video, improve the audience rating and have strong practicability.
Drawings
Fig. 1 is a flowchart illustrating the operation of a channel packing play-out control method according to embodiment 1;
fig. 2 is a flowchart illustrating the operation of step 3 in a channel packing broadcast control method according to embodiment 2;
fig. 3 is a flowchart illustrating the operation of analyzing the content of a video frame in a channel packing broadcast control method according to embodiment 2;
fig. 4 is a schematic structural diagram of a channel packing broadcast control system according to embodiment 3;
fig. 5 is a block diagram illustrating a server in a channel packing broadcast control system according to embodiment 3;
fig. 6 is a block diagram illustrating a structure of an information extraction module in a channel packing broadcast control system according to embodiment 4;
fig. 7 is a block diagram illustrating a content parsing unit in a channel packing playout control system as described in embodiment 4.
Wherein: 1. a program database; 2. a packaging database; 3. a server; 31. packaging a database to be played; 32. an external receiving module; 33. a material retrieval module; 34. an information extraction module; 341. a content analysis unit; 3411. identifying a subunit; 3412. an extraction subunit; 3413. a coding subunit; 3414. an association subunit; 342. an information inquiry unit; 343. a key frame determination unit; 35. a time stamping module; 36. a packaging relationship judgment module; 37. an intervention adjustment module; 38. a broadcast execution module; 39. and a linking module.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Example 1
As shown in fig. 1, embodiment 1 of the present invention provides a channel packing broadcast control method, which includes the following steps:
s1, receiving a program schedule to be played, and acquiring program information and package item information of the current day through the program schedule to be played, wherein the program information comprises the name, program code, playing time and playing time node of a program to be played in each time period, for example, the name of a TV drama is 'ounce', the program code is 003, the playing time is 45 minutes, and the playing time node is 10:03 minutes, so that the program is automatically played according to the program information;
the program scheduling list to be played is a primary scheduling list which is produced by a general studio according to program videos to be played on the current day and package items according to time points of each time interval, the program videos comprise channel information and column information, the program scheduling list to be played is edited in advance for a period of time before the programs on the current day are played according to business logic, and after the scheduling list is received, in the implementation process, the program scheduling list to be played is subjected to program adjustment and auditing before the programs are played.
S2, calling program videos from the program database 1 according to the program information, and calling packaging item materials from the packaging database 2 according to the packaging item information, wherein the packaging item information comprises a packaging item ID and a broadcasting time node of the packaging item; the program videos are all stored in the program database 1, and are automatically called when being played, the packaging items are stored in the packaging database 2, the corresponding packaging items can be inquired in the packaging database 2 according to the packaging item IDs, and after the playlist is determined, the playing time nodes of the packaging items are determined.
S3, extracting key frames of the program video, carrying out timestamp marking on the key frames, and simultaneously carrying out content analysis on the packaging item material and extracting key information; by extracting the key frames of the video, the main content and information such as the television series ounces broadcast in the program video can be known, and by extracting the key frames, the key video frames in the television series of the 'ounces' broadcast on the current day can be called, and the time stamp is carried out on the broadcast time points of the video frames; in addition, the content of the packaging item is analyzed, whether the content of the packaging item is publicized, previewed or countdown can be judged through key information, and the like.
S4, judging whether the key information and the key frame have a packaging relationship, if so, linking the extracted key frame and the packaging item ID, and simultaneously storing the packaging item material into the packaging to-be-played database 31; the packaging relation is that if the key information in the packaging item is used for forecasting or propaganda of program information, the packaging relation is proved, if not, the packaging relation is not existed, if the packaging relation exists, the packaging item is connected with a key frame in a program video, and when the key frame appears, the corresponding packaging item appears, so that the effects of propaganda and program rendering can be better played, and the audience rating is effectively improved.
And S5, after the package item is linked with the key frame in the program video, performing intervention adjustment on the program schedule to be played, modifying the playing time node of the package item according to the time stamp of the key frame, and regenerating a channel playing execution list by modifying the playing time point of the package item.
And S6, playing out the packing item according to the channel playing execution list.
The method can effectively control the broadcasting position of the package item, effectively plays a role in rendering the program video through the association with the content in the program video, provides help for editing typesetting, and effectively avoids the phenomenon of package item broadcasting error caused by the change of the broadcasting time node of the program video.
Example 2
As shown in fig. 2, embodiment 2 of the present invention further defines that, on the basis of embodiment 1, in step S3, the method for extracting the key frame of the program video includes:
analyzing the content of each video frame of a program video, extracting content information and establishing a content information base, wherein the content information comprises key fields appearing in each video frame, and the key fields are relatively representative words, characters or short sentences;
secondly, content information with high frequency of occurrence is inquired in a content information base, namely the content information is set as key information, and when a certain word, character or short sentence can repeatedly appear in a certain program video for many times, the word, character or short sentence can be determined as the key information;
and thirdly, inquiring the corresponding video frame through the key information to obtain the key frame.
As shown in fig. 3, preferably, the content analysis is performed on each video frame of the program video, and the specific method includes:
identifying each video frame in the program video by characters to obtain the character content in the video frame;
extracting content characteristics from the acquired text content, wherein the text content is a key field;
coding the position of the content characteristic in the program video to form position information;
and associating the content characteristics with the position information to form content information.
It is further limited that the method for time stamping the key frame is as follows: and inquiring the position of the key frame in the program video, and carrying out time stamp marking on the key frame according to the playing time length of the program video. Through the playing duration of the whole program video, the playing time point of the key frame can be deduced according to the position of the key frame in the program video, and the playing time point is marked as a time stamp.
In order to analyze the content of the package item, the technical solution further defines that, in step S3, the content of the package item material is analyzed and the key information is extracted, and the specific method includes: and (4) performing video stream decomposition on the packaging item material, performing content analysis on each video frame, extracting character information in each video frame, and inquiring character information with higher occurrence frequency to obtain key information.
Further, in step S4, the method for determining the packing relationship is to determine whether the key information includes content related to or identical to the key frame, and if so, the packing relationship is determined. The packing relation can also be understood as relevance and similarity, when the packing item plays a role in propaganda or forecast of the program video, the packing item can be judged to have the packing relation, and if the packing item is not relevant at all, the packing item is proved to have no packing relation with the program video.
Preferably, in step S5, the program schedule to be played is adjusted by intervention, and the channel playing execution list is generated by modifying the playing time node of the package item according to the timestamp of the key frame, where the specific method is as follows: judging whether the key frame extracted in the step S4 is linked with the packaging item ID, and if so, performing forced intervention adjustment on the program schedule to be played; inserting the linked packing item into the program video as the next frame of the key frame; modifying the broadcasting time node of the packing item inserted into the program video according to the time stamp of the key frame; and generating a channel playing execution list according to the re-linked program videos and the packing items.
After the packaging item is linked with the key frame of the program video, the material of the packaging item needs to be inserted into the program video as the next frame of the key frame in the program video, and when the packaging item is played, the packaging item is directly played as a certain frame in the program video.
For example, if the key frame of the normal program video is 45S and the next frame thereof is 46S, the package item is played as 46S, other subsequent video frames are paused, and after the package item is played, the subsequent video frames are played again.
Example 3
As shown in fig. 4, embodiment 3 of the present invention further provides a channel packing and broadcasting control system, which includes a server 3 communicatively connected to both the program database 1 and the packing database 2 and capable of implementing data exchange, wherein as shown in fig. 5, the server 3 includes a packing to-be-played database 31, an external receiving module 32 communicating with the packing to-be-played database 31, a material retrieving module 33, an information extracting module 34, a time stamp module 35, a packing relation determining module 36, a linking module 39, an intervention adjusting module 37, and an execution broadcasting module 38, wherein,
the external receiving module 32 is configured to receive a program schedule to be played, and obtain program information and package item information of the current day through the program schedule to be played, where the program information includes a name of a program played in each time period, a program code, a playing time and a playing time node;
the material calling module 33 is configured to call a program video from the program database 1 according to the program information, and call a package item material from the package database 2 according to the package item information, where the package item information includes a package item ID and a broadcast time node of the package item;
the information extraction module 34 is configured to extract a key frame of the program video, send the key frame to the time marking module 35, perform content analysis on the packaging item material, extract key information, and send the key information to the packaging relationship judgment module 36;
the time marking module 35 is configured to perform time mark on the key frame, and meanwhile, modify the broadcast time node of the package item according to the time mark of the key frame;
the packaging relation judging module 36 is configured to judge whether a packaging relation exists between the key information and the key frame, and if the packaging relation exists, generate a link instruction and send the link instruction to the connecting module;
the link module 39 is configured to link the extracted key frames with the package item IDs, and send an instruction to the material retrieval module 33 to store the package item materials in the package to-be-played database 31;
the intervention adjusting module 37 is configured to perform intervention adjustment on the program schedule to be played, send an instruction for modifying the playing time node of the package item to the time marking module 35, and generate a channel playing execution list at the same time;
the execution playing module 38 is used for playing the packing item according to the channel playing execution list;
the package to be played database 31 is used for storing package item materials.
The invention realizes the control broadcasting of the packing items through the matching relation among the modules, and has strong practicability.
Example 4
As shown in fig. 6, embodiment 4 of the present invention further defines that, on the basis of embodiment 3, the information extraction module 34 includes a content parsing unit 341, an information query unit 342, and a key frame determination unit 343, where the content parsing unit 341 is configured to perform content parsing on each video frame of the program video, extract content information, and establish a content information base, where the content information includes a key field appearing in each video frame; the information query unit 342 is configured to query the content information base for content information with a high frequency of occurrence, that is, to set the content information as key information; the key frame determining unit 343 is configured to query the corresponding video frame through the key information, and determine the video frame as a key frame.
As shown in fig. 7, preferably, the content parsing unit 341 includes a communicating identifying subunit 3411, an extracting subunit 3412, an encoding subunit 3413, and an associating subunit 3414, where the identifying subunit 3411 is configured to perform text recognition on each video frame in the program video to obtain text content in the video frame; the extracting subunit 3412 is configured to extract content features from the obtained text content, where the text content is a key field; the encoding subunit 3413 is configured to encode the position of the content feature in the program video to form position information; the association subunit 3414 is configured to associate the content feature with the location information to form content information.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (7)
1. A channel packing broadcast control method is characterized by comprising the following steps:
s1, receiving a program schedule to be played, and acquiring program information and package item information of the current day through the program schedule to be played, wherein the program information comprises the name, program code, playing time and playing time node of a program played at each time interval;
s2, calling a program video from a program database (1) according to the program information, and calling a packaging item material from a packaging database (2) according to the packaging item information, wherein the packaging item information comprises a packaging item ID and a broadcasting time node of the packaging item;
s3, extracting key frames of the program video, carrying out timestamp marking on the key frames, and simultaneously carrying out content analysis on the packaging item material and extracting key information;
s4, judging whether the key information and the key frame have a packaging relationship, if so, linking the extracted key frame and the packaging item ID, and simultaneously storing the packaging item material into a packaging to-be-played database (31);
s5, performing intervention adjustment on the programming list to be played, and correspondingly modifying the playing time node of the packaging item according to the timestamp of the key frame to generate a channel playing execution list;
s6, playing the packing item according to the channel playing execution list;
in step S3, extracting the key frame of the program video, the specific method is as follows:
analyzing the content of each video frame of the program video, extracting content information and establishing a content information base, wherein the content information comprises key fields appearing in each video frame;
inquiring content information with high frequency of occurrence in the content information base, namely setting the content information as key information;
inquiring the corresponding video frame as a key frame through the key information; the method for timestamp marking the key frame comprises the following steps: and inquiring the position of the key frame in the program video, and carrying out timestamp marking on the key frame according to the playing time of the program video.
2. The method for controlling the package broadcasting of the channel according to claim 1, wherein the content of each video frame of the program video is analyzed, and the method comprises:
performing character recognition on each video frame in the program video to acquire character contents in the video frame;
extracting content characteristics from the acquired text content, wherein the text content is a key field; encoding the position of the content feature in the program video to form position information;
and associating the content characteristics with the position information to form content information.
3. The method for controlling the package playing of channels according to claim 1, wherein in step S3, the content of the package material is analyzed and the key information is extracted, the method specifically comprises: and decomposing the video stream of the packaging item material, analyzing the content of each video frame, extracting character information in each video frame, and inquiring the character information with higher occurrence frequency to obtain key information.
4. The method for controlling channel packing and broadcasting according to claim 1, wherein in step S4, the method for determining the packing relationship is to determine whether the key information includes content related to or the same as the key frame, and if so, the packing relationship is present.
5. The method for controlling channel packing and broadcasting according to claim 1, wherein in step S5, the program schedule to be broadcast is adjusted by intervention, and the broadcast time node of the packing item is modified correspondingly according to the timestamp of the key frame to generate a channel broadcast execution list, which comprises: judging whether the key frame extracted in the step S4 is linked with the packaging item ID, and if so, performing forced intervention adjustment on the programming list to be played; inserting the linked packing item into the program video as a next frame of the key frame; modifying the broadcasting time node of the packing item inserted into the program video according to the time stamp of the key frame; and generating a channel playing execution list according to the re-linked program video and the packing item.
6. A channel packaging and broadcasting control system is characterized by comprising a server (3) which is in communication connection with a program database (1) and a packaging database (2) and can realize data exchange, wherein the server (3) comprises a packaging to-be-played database (31), an external receiving module (32), a material calling module (33), an information extraction module (34), a time marking module (35), a packaging relation judgment module (36), a linking module (39), an intervention adjustment module (37) and an execution broadcasting module (38) which are in communication with the packaging to-be-played database (31),
the external receiving module (32) is used for receiving a program schedule to be played, and acquiring program information and packaging item information of the current day through the program schedule to be played, wherein the program information comprises the name, program codes, playing time and playing time nodes of the played program in each time period;
the material calling module (33) is used for calling a program video from a program database (1) according to the program information, and calling a packaging item material from a packaging database (2) according to the packaging item information, wherein the packaging item information comprises a packaging item ID and a broadcasting time node of the packaging item; the information extraction module (34) is configured to extract a key frame of the program video, send the key frame to the time marking module (35), perform content analysis on the packaging item material, extract key information, and send the key information to the packaging relationship judgment module (36);
the time marking module (35) is configured to perform time stamp marking on the key frame, and meanwhile, is further configured to correspondingly modify a broadcast time node of the packing item according to the time stamp of the key frame; the packaging relation judging module (36) is used for judging whether the key information and the key frame have a packaging relation, and if the packaging relation exists, generating a link instruction and sending the link instruction to the connecting module;
the link module (39) is used for linking the extracted key frames with the packaging item ID and sending an instruction for storing the packaging item materials to the packaging to-be-played database (31) to the material calling module (33);
the interference adjusting module (37) is used for performing interference adjustment on the programming list to be played, sending an instruction for modifying the playing time node of the packing item to the time marking module (35), and generating a channel playing execution list;
the execution broadcasting module (38) is used for broadcasting the packing items according to the channel broadcasting execution list;
the packaging to-be-played database (31) is used for storing packaging item materials;
the information extraction module (34) comprises a content analysis unit (341), an information query unit (342) and a key frame determination unit (343), wherein the content analysis unit (341) is used for performing content analysis on each video frame of the program video, extracting content information and establishing a content information base, and the content information comprises key fields appearing in each video frame; the information inquiry unit (342) is used for inquiring the content information with high occurrence frequency in the content information base, namely setting the content information as key information; the key frame determining unit (343) is configured to query the corresponding video frame through the key information, and determine the video frame as a key frame.
7. The channel packing and broadcasting control system of claim 6, wherein the content parsing unit (341) comprises a communicating identifying subunit (3411), an extracting subunit (3412), an encoding subunit (3413), and an associating subunit (3414), wherein the identifying subunit (3411) is configured to perform text recognition on each of the video frames in the program video to obtain text content in the video frames; the extraction subunit (3412) is configured to extract content features from the obtained text content, where the text content is a key field; the coding subunit (3413) is configured to code a position of the content feature in the program video to form position information; the association subunit (3414) is configured to associate the content feature with the location information to form content information.
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| CN103067649A (en) * | 2012-12-28 | 2013-04-24 | 中央电视台 | Method for realizing high-precision synchronous broadcast control of channel broadcast system and channel packaging system |
| CN103856692A (en) * | 2014-03-13 | 2014-06-11 | 中央电视台 | Channel packaging broadcast control method and system |
| CN104185080A (en) * | 2014-03-24 | 2014-12-03 | 无锡天脉聚源传媒科技有限公司 | Digital television program list generation method and device |
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| US5659350A (en) * | 1992-12-09 | 1997-08-19 | Discovery Communications, Inc. | Operations center for a television program packaging and delivery system |
| EP1605687B1 (en) * | 2004-06-03 | 2012-11-28 | STMicroelectronics (Research & Development) Limited | System for receiving packet streams |
| CN103856690B (en) * | 2014-03-13 | 2017-11-10 | 中央电视台 | channel packaging broadcasting method and system |
| CN104219535B (en) * | 2014-09-12 | 2017-09-15 | 无锡天脉聚源传媒科技有限公司 | A kind of performance system and program broadcasting method |
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| CN103856692A (en) * | 2014-03-13 | 2014-06-11 | 中央电视台 | Channel packaging broadcast control method and system |
| CN104185080A (en) * | 2014-03-24 | 2014-12-03 | 无锡天脉聚源传媒科技有限公司 | Digital television program list generation method and device |
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