CN109756767B - Preview data playing method, device and storage medium - Google Patents
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Abstract
The embodiment of the invention discloses a method and a device for playing preview data and a storage medium, belonging to the technical field of multimedia. The method comprises the following steps: receiving a preview data setting instruction carrying a video identifier, wherein the preview data setting instruction is used for indicating that preview data are set according to a video corresponding to the video identifier; extracting video frames from the video corresponding to the video identification, and generating preview data according to the extracted video frames; and playing the preview data in a preview area on a specified page. The embodiment of the invention provides a mode for automatically setting preview data without manual setting by managers, thereby simplifying the setting operation of the managers and improving the flexibility.
Description
Technical Field
The embodiment of the invention relates to the technical field of multimedia, in particular to a method and a device for playing preview data and a storage medium.
Background
With the rapid development of multimedia technology and the wide popularization of the internet, videos spread in the internet are more and more, and in order to attract the attention of users, a plurality of websites can make preview data according to some popular videos and play the preview data on a website home page for the users to browse.
Usually, a manager of a website sets preview data, which may be a short video or several pictures, on a website server, and then adds the set preview data to a preview area of a home page of the website. And then, when the terminal opens the website home page, the set preview data can be played in the preview area.
In the process of implementing the embodiment of the invention, the inventor finds that the related art has at least the following defects: the preview data can only be set manually by a manager, has limitations, and may consume the human cost of the manager.
Disclosure of Invention
The embodiment of the invention provides a method, a device and a storage medium for playing preview data, which can solve the problems of the related art. The technical scheme is as follows:
in a first aspect, a method for playing preview data is provided, where the method includes:
receiving a preview data setting instruction carrying a video identifier, wherein the preview data setting instruction is used for indicating that preview data are set according to a video corresponding to the video identifier;
extracting video frames from the video corresponding to the video identification, and generating preview data according to the extracted video frames;
and playing the preview data in a preview area on a specified page.
In a second aspect, there is provided a preview data playback apparatus, the apparatus comprising:
the receiving module is used for receiving a preview data setting instruction carrying a video identifier, wherein the preview data setting instruction is used for indicating that preview data are set according to a video corresponding to the video identifier;
the extraction module is used for extracting a video frame from a video corresponding to the video identifier;
the generating module is used for generating preview data according to the extracted video frames;
and the playing module is used for playing the preview data in a preview area on the appointed page.
In a third aspect, there is provided a preview data playback device, which includes a processor and a memory, where at least one instruction, at least one program, set of codes, or set of instructions is stored in the memory, and the instruction, the program, the set of codes, or the set of instructions is loaded and executed by the processor to implement the operations performed in the preview data playback method according to the first aspect.
In a fourth aspect, there is provided a computer-readable storage medium having at least one instruction, at least one program, a set of codes, or a set of instructions stored therein, which is loaded and executed by a processor to implement the operations performed in the preview data playing method according to the first aspect.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the method, the device and the storage medium provided by the embodiment of the invention, when the preview data setting instruction carrying the video identifier is received, the video frame is extracted from the video corresponding to the video identifier, and the preview data is generated according to the extracted video frame, so that a mode of automatically setting the preview data is provided, manual setting by a manager is not needed, the setting operation of the manager is simplified, the labor cost is reduced, and the flexibility is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be described below.
FIG. 1 is a schematic illustration of an implementation environment provided by an embodiment of the invention;
fig. 2 is a flowchart of a method for playing preview data according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a home page of a video website according to an embodiment of the present invention;
FIG. 4A is a schematic diagram of an operational flow provided by an embodiment of the present invention;
FIG. 4B is a schematic diagram of another operational procedure provided by an embodiment of the present invention;
fig. 5 is a flowchart of another preview data playing method provided in the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a preview data playing apparatus according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a server according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
Fig. 1 is a schematic diagram of an implementation environment provided by an embodiment of the present invention, and referring to fig. 1, the implementation environment includes a terminal 101 and a server 102, and the terminal 101 and the server 102 are connected through a network.
The server 102 is a multimedia data server, and can issue multimedia data for a user to browse. The multimedia data server can be a news website server, a video website server, a portal website server and the like, and the published multimedia data can comprise various types such as text data, picture data, video data, audio data and the like.
The terminal 101 may be a mobile phone, a computer, a tablet computer, or the like, and the terminal 101 may display a page provided by the server 102 or play multimedia data provided by the server 102.
In one possible implementation, the terminal 101 may install a multimedia application client associated with the server 102, present a page provided by the server 102 through the multimedia application client, and play multimedia data provided by the server 102 in the page.
In general, a website may set a preview area on a designated page, and play preview data in the preview area, but the embodiment of the present invention is applied to a scenario where preview data to be played in the preview area is set.
For example, a home page of a news website may show a plurality of news headlines, and in addition, some popular news videos or news pictures may be played in a preview area as preview data. When browsing the home page of the news website, the user can set preview data to be played in the preview area according to the requirements of the user.
Or, the home page of the video website may display a video list, where the video list includes a plurality of videos displayed in the form of thumbnails, and besides, some pictures or video clips of popular videos may be played in a preview area as preview data. When browsing the home page of the video website, the user can set preview data to be played in the preview area according to the requirements of the user.
In the related art, usually, a manager sets preview data to be played in advance, and adds the preview data to a preview area of a designated page, which is cumbersome to operate and inconvenient to replace the preview data. In the embodiment of the invention, a mode for automatically setting the preview data is provided, the preview data can be automatically set according to the video frame extracted from the selected video, the setting operation is simplified, the preview data is convenient to replace, and the flexibility is improved. The specific process is described in detail in the following examples.
Fig. 2 is a flowchart of a preview data playing method provided in an embodiment of the present invention, where interaction subjects of the preview data playing method are the terminal 101 and the server 102 shown in fig. 1, and referring to fig. 2, the method includes:
201. and the terminal receives a preview data setting instruction carrying the video identifier and sends the preview data setting instruction to the server.
The video identifier is used for uniquely determining a corresponding video, and may be a video name, a video number, and the like, and the video number may be a unique number allocated by the server when the server publishes the video. Besides the video identifier, the preview data setting instruction may also carry other attribute information of the video, such as resolution, playing duration, and the like.
The preview data setting instruction is used for indicating that preview data is set according to the video corresponding to the video identifier, namely that the preview data is generated according to the data in the video. In the embodiment of the invention, the server stores the video and sets the preview data, so that when the terminal receives the preview data setting instruction carrying the video identifier, the terminal sends the preview data setting instruction to the server to instruct the server to set the preview data.
The preview data setting instruction may be triggered by an operation of the user on the terminal by selecting the video identifier. In a possible implementation manner, a terminal displays a video list, the video list includes a plurality of video identifiers corresponding to a plurality of videos, when the terminal detects a selection operation on any one of the video identifiers in the video list, a preview data setting option is displayed, and when a confirmation operation on the preview data setting option is detected, it is determined that a preview data setting instruction carrying the selected video identifier is received.
The video list may be located on a designated page or on other pages except the designated page, the thumbnail of the video corresponding to the video identifier may be displayed in the video list for each video identifier, and then the selection operation on the video identifier may be a long-press operation on the thumbnail of the video identifier, and certainly, the selection operation on the video identifier may also be other operations.
For example, referring to fig. 3, the terminal opens a home page of a video website, where a preview area is located above the home page, and a display area of a video list in which thumbnails of a plurality of videos are displayed is located below the home page. When a user wants to generate preview data for a certain video, the terminal displays a preview data setting option by pressing a thumbnail of the video for a long time, at the moment, the user clicks the preview data setting option, the terminal receives a preview data setting instruction carrying a video identifier corresponding to the video, and the preview data can be set according to the content in the video based on the preview data setting instruction.
202. And when the server receives the preview data setting instruction, extracting a video frame from the video corresponding to the video identifier.
The server stores various multimedia data including video, audio, text and the like, and the stored multimedia data can be uploaded by a user, or uploaded by an advertiser, or generated by the server according to the collected multimedia data.
When the server receives a preview data setting instruction carrying a video identifier, the server indicates that preview data is to be generated according to data in a video corresponding to the video identifier. Because the video corresponding to the video identifier includes a plurality of video frames, and the preview data is too large and is inconvenient for a user to browse because all of the plurality of video frames are used as preview data, the server can extract the video frames from the plurality of video frames after analyzing the video to obtain the plurality of video frames, and generate the preview data according to the extracted video frames.
With respect to the process of extracting video frames, the server may randomly extract a certain number of video frames from the video; or extracting a video frame within a specified time period from the video, wherein the specified time period can be the head or the tail of the video, or other time periods; or video frames containing data of a specified type, such as video frames containing text data, are extracted from the video.
In a possible implementation manner, the server may calculate a score of each video frame by using a preset algorithm according to the recorded information of each video frame in the video, and extract the video frame from the video according to the score of each video frame.
For the recording information of the video frame, the recording information includes at least one of playing times, fast forward playing probability, repeat playing probability, cancel playing probability, playing fluency, pushing priority and caption information.
In the process that any user plays the video by using the terminal, the video segment which is more interested in the video may be played repeatedly, and the video segment which is not interested in the video segment may be played fast forward, or the video segment is skipped over directly, that is, the video segment is cancelled. Correspondingly, for each video frame in the video, according to the playing condition of the video frame, multi-dimensional recording information such as the playing times, the repeated playing probability, the playing cancellation probability, the playing fluency and the like of the video frame can be counted, the recording information is input into a preset algorithm for calculation, and the obtained calculation result is the score of the video frame.
The repeated playing probability is a ratio of the repeated playing times of the video frame to the total playing times of the video, the playing cancellation probability is a ratio of the playing cancellation times of the video frame to the total playing times of the video, the playing fluency refers to the number of the video frames played in unit time, for a certain video frame, the playing fluency of the video frame can be the playing fluency of a video clip corresponding to the video frame, and the video clip corresponding to the video frame can be a clip with the video frame as a starting point and the playing duration as the preset duration, or a clip with the video frame as a middle point and the playing duration as the preset duration, and the like.
In addition, each video frame may also be set with a push priority, where a higher push priority indicates that the video frame should be preferentially pushed to the user, and the push priority of the video frame may be set by an administrator of the server, or may be set by a publisher of the video, or may be determined according to a trending degree of the video frame, for example, a video frame specified by the video publisher has a higher push priority, a video frame containing some advertisements has a higher push priority, or a video frame that is more trending has a higher push priority.
In addition, subtitles can be added in the video, the subtitles are used for displaying the content in the audio information, each video frame has corresponding subtitle information, and the corresponding subtitle information can be displayed when the video frame is played. Since two or more adjacent video frames may correspond to the same subtitle information, when extracting a video frame, only one video frame may be extracted for a video frame corresponding to the same subtitle information, so as to avoid repetition of the subtitle information. In practical application, the caption score can be set, the caption score of one of the video frames corresponding to the same caption information is set to be a higher numerical value, and the caption scores of other video frames are set to be a lower numerical value, so that the score of only one video frame in the video frames corresponding to the same caption information can be ensured to be higher and possibly extracted when the score is calculated, and the scores of other video frames are very low and cannot be extracted.
For the preset algorithm, the preset algorithm may be preset by a server, for example, the preset algorithm may be a weighted sum algorithm, the server may set a weight for the recording information of each dimension, and for each video frame in the video, the recording information of the video frame in each dimension may be weighted sum according to the weight of the recording information of each dimension, so as to obtain a score of the video frame.
The preset algorithm can also be updated by the server according to the collected data of a large number of users, and in the process that a large number of users access the server, the server can monitor the operation behaviors of the users and collect the behavior data of the users, so that the preset algorithm is updated and corrected according to the collected behavior data.
In a possible implementation manner, the server may create an artificial intelligence system, and each time the recording information of a plurality of video frames in the video is input into the artificial intelligence system, the score of each video frame is output through a preset algorithm in the artificial intelligence system. In addition, in the application process, the artificial intelligence system can be continuously optimized according to the collected user behavior data, so that the accuracy of the preset algorithm is improved, and preview data which can better meet the requirements of the user can be provided for the user.
In the embodiment of the present invention, after the score of each video frame is obtained, the video frame may be extracted from the video in any one of the following manners:
1. and extracting video frames with scores larger than a preset score from the video. The preset score can be preset by the server according to a preset algorithm, and when the score of the video frame is larger than the preset score, the video frame is indicated to be pushed to a user, so that the video frame is applied when preview data is generated.
2. And extracting a preset number of video frames from the video according to the sequence of the scores from large to small. Wherein the preset number can be determined by the server according to the requirement in advance. According to the sequence of the scores from large to small, the video frames with higher scores can be extracted, the video frames can be applied when the preview data is generated, and the video frames with excessive number cannot be extracted, so that the phenomenon that the data size of the preview data is too large is avoided.
3. And extracting the video frames with the total playing time length as the preset time length from the video according to the sequence of the scores from large to small. The preset time length can be set by the server according to requirements.
Each video frame has a playing time length, the total playing time length of the extracted multiple video frames is the playing time length of the preview data, when the playing time length is too long, the data transmitted between the terminal and the server is too much, and too much data flow is consumed, and when the playing time length is too small, the information amount of the preview data is too little, and the requirements of users cannot be met. Therefore, the preset time length can be set, the video frames are extracted from the video according to the sequence of the scores from large to small, the total playing time length of the currently extracted video frames is counted, the extraction is continued when the current total playing time length is smaller than the preset time length until the current total playing time length is equal to the preset time length, and therefore the video frames with the total playing time length as the preset time length can be extracted from the video, and the preview data with the playing time length as the preset time length can be generated subsequently.
203. The server generates preview data according to the extracted video frame, adds the preview data in a preview area on the appointed page, and sends the appointed page to the terminal.
In the embodiment of the present invention, the server may generate the preview data according to the extracted video frame in any one of the following manners:
1. when a plurality of video frames are extracted, a video composed of the plurality of video frames is combined as preview data.
The server can directly clip and combine the plurality of video frames according to the sequence of the plurality of video frames in the original video to form a new short video, and the short video is used as preview data.
2. When a plurality of video frames are extracted, a video formed by combining the plurality of video frames is compressed, and the compressed video is used as preview data.
The server can directly combine a plurality of video frames into a new video according to the sequence of the plurality of video frames in the original video, then compress the new video, and use the compressed video as preview data to reduce the data volume of the preview data, thereby saving the data flow consumed when the preview data is transmitted between the server and the terminal. For example, image pixels in the new video may be compressed to generate a smaller video.
3. When a plurality of video frames are extracted, format conversion is carried out on a video formed by combining the plurality of video frames to obtain a dynamic picture, and the dynamic picture is used as preview data.
The server can directly combine a plurality of video frames into a new video according to the sequence of the video frames in the original video, format conversion is carried out on the new video formed by combination to obtain a dynamic picture, and the dynamic picture is used as preview data. Because the data volume of the dynamic picture is smaller than that of the video, the data volume of the preview data can be reduced by format conversion, and the data traffic consumed in the process of transmitting the preview data between the server and the terminal is further saved.
Of course, the server may acquire the preview data in other manners besides the above three manners.
In the embodiment of the invention, the designated page is provided by the server, and the multimedia data displayed in the designated page is set by the server, so that after the server generates the preview data, the content of the designated page is changed, the preview data is added in the preview area on the designated page, thereby replacing the original preview data on the designated page, and the changed designated page is sent to the terminal to be displayed by the terminal.
In practical applications, the server may include a data server storing multimedia data and a processing server performing various processing operations on the multimedia data. Then, when the processing server receives a preview data setting instruction sent by the terminal, the processing server extracts the video corresponding to the video identifier from the data server, generates preview data according to the video, and sends the preview data to the terminal.
204. And the terminal receives the appointed page, and plays the preview data in the preview area when the appointed page is displayed.
When the terminal receives the appointed page sent by the server under the condition that the terminal is displaying the original appointed page, the appointed page is updated, the newly added preview data is played in the preview area on the appointed page, and the original preview data is not played any more.
When the terminal receives the appointed page sent by the server under the condition that other pages are displayed, the appointed page can be cached, and when the appointed page is opened subsequently, the appointed page is displayed again, the newly added preview data is played in the preview area on the appointed page, and the setting of the preview data is finished.
205. And when the terminal finishes playing the preview data, displaying a replay option, determining to receive the preview data setting instruction carrying the video identifier again when the confirmation operation of the replay option is detected, and sending the preview data setting instruction to the server again.
When the terminal finishes playing the preview data, a replay option can be displayed in the preview area, if the user triggers a confirmation operation on the replay option, the user can be considered to be interested in the video corresponding to the preview data and hope to watch more contents in the video, and therefore when the confirmation operation on the replay option is detected, the preview data can be generated according to the same video again.
206. When the server receives the preview data setting instruction again, the server extracts a video frame different from the video frame extracted last time from the video, and generates preview data again according to the extracted video frame.
If the video frame is directly extracted from the video, it is likely that the same video frame as the previous video frame is extracted, which may cause data duplication, which is equivalent to reducing the utilization rate of data traffic, and providing duplicated information for the user may affect the user experience. Therefore, when the server receives the preview data setting instruction again, the server can compare the preview data with the video frame extracted last time and extract the video frame different from the video frame extracted last time from the video, so that the preview data different from the preview data extracted last time is generated, and data duplication is avoided.
When a video frame different from the video frame extracted last time is extracted, the video frame extracted last time can be filtered from the video, and extracted from the rest video frames, or the pushing priority of the video frame extracted last time can be set to be a lower numerical value, so that the value of the video frame extracted last time can be ensured to be very low and can not be extracted when the value is calculated, or other modes can be adopted, and only the video frame extracted this time is required to be different from the video frame extracted last time.
207. The server adds the regenerated preview data to the preview area on the designated page, and transmits the designated page to the terminal.
208. And the terminal receives the appointed page, and plays the regenerated preview data in the preview area when the appointed page is displayed.
For example, when the terminal first requests preview data from the server, the server returns short video ID001 to the terminal, and the playback time period of short video ID001 is x seconds, whereas when the terminal second requests preview data from the server, the server acquires new short video ID002 that does not overlap with short video ID001, and returns short video ID002 to the terminal, and the playback time period of short video ID002 is y seconds.
It should be noted that, the above-mentioned step 205-208 is an optional step, when the preview data is played completely, the terminal may not request to regenerate the preview data, but automatically repeat playing the set preview data, or otherwise request the server to regenerate the preview data, for example, when the specified page is opened again after exiting the specified page, the server may be automatically requested to regenerate the preview data.
Fig. 4A is a schematic diagram of an operation flow provided in an embodiment of the present invention, referring to fig. 4A, after an operation of setting preview data is triggered on a terminal, the terminal reports the preview data to a server, and applies for the server, and if the preview data is extracted for the first time, the server extracts video frames after performing big data analysis and artificial intelligence analysis, and then combines the extracted video frames into a video by using an image integration technology, and generates a dynamic picture after performing format conversion, and sends the dynamic picture to the terminal; if the preview data is not extracted for the first time, the server compares the preview data with the generated preview data, extracts a new video frame, generates new preview data and sends the new preview data to the terminal.
Fig. 4B is a schematic diagram of another operation flow provided in the embodiment of the present invention, and referring to fig. 4B, the terminal is responsible for triggering a preview data setting instruction, and the server is responsible for calculating and extracting a video frame, performing operations such as image merging and format conversion, obtaining preview data, and issuing the preview data to the terminal.
In the related art, the preview data played in the preview area of the home page is manually set by the background, which has manual limitation, cannot be changed in real time according to the user's demand, and does not support setting of all videos.
According to the method provided by the embodiment of the invention, when a preview data setting instruction carrying the video identifier is received, the video frame is extracted from the video corresponding to the video identifier, and the preview data is generated according to the extracted video frame, so that a mode of automatically setting the preview data is provided, the artificial intelligence recognition and big data analysis technologies are combined, the online analysis and image processing are carried out on the video, the online preview of the preview data is realized, the manual setting by a manager is not needed, the setting operation of the manager is simplified, the labor cost is reduced, and the flexibility is improved. Moreover, the user triggers a corresponding preview data setting instruction according to the selected video identifier, preview data can be set according to the video selected by the user, the requirements of the user are met, personalized preview data can be obtained, and good experience is brought to the user.
Moreover, when the preview data setting instruction is triggered again, the preview data can be conveniently replaced, and the operation of replacing the preview data is simplified. When the preview data setting instruction is triggered again for the same video, the video frame different from the video frame extracted last time is extracted from the video, so that the situation that the content of the preview data is repeated is avoided, the situation that the server sends the repeated preview data to the terminal is also avoided, the utilization rate of data flow is improved, and the consumed data flow is equivalently saved.
And after the video is subjected to online analysis and image processing, the format of the generated short video is converted to obtain a dynamic picture, and under the condition of displaying the same content, the data volume of the dynamic picture is smaller than that of the short video, so that the data flow can be saved when the dynamic picture is sent.
Fig. 5 is a flowchart of a preview data playing method according to an embodiment of the present invention, where an execution subject of the preview data playing method is a terminal, and the difference between the embodiment of the present invention and the embodiment shown in fig. 2 is that: in the embodiment of the invention, the terminal generates the preview data according to the video without a server. Referring to fig. 5, the method includes:
501. and when the terminal receives a preview data setting instruction carrying a video identifier, extracting a video frame from a video corresponding to the video identifier according to the preview data setting instruction.
And sending the video corresponding to the video identification to the terminal by the server, and storing the video by the terminal.
502. And the terminal generates preview data according to the extracted video frame, and adds the preview data in a preview area on the appointed page.
503. And when the terminal displays the specified page, playing the preview data in the preview area.
504. When the terminal finishes playing the preview data, displaying a replay option, when the confirmation operation of the replay option is detected, determining that the preview data setting instruction carrying the video identifier is received again, and extracting a video frame different from the video frame extracted last time from the video corresponding to the video identifier according to the preview datamation setting instruction.
505. And the terminal regenerates the preview data according to the video frame extracted this time, adds the regenerated preview data in the preview area on the appointed page, and plays the regenerated preview data in the preview area.
The specific process of steps 501-505 is similar to that of the embodiment shown in fig. 2, and is not described herein again.
According to the method provided by the embodiment of the invention, when the preview data setting instruction carrying the video identifier is received, the video frame is extracted from the video corresponding to the video identifier, and the preview data is generated according to the extracted video frame, so that a mode of automatically setting the preview data is provided, manual setting by a manager is not required, the setting operation of the manager is simplified, the labor cost is reduced, and the flexibility is improved. Moreover, the user triggers a corresponding preview data setting instruction according to the selected video identifier, preview data can be set according to the video selected by the user, the requirements of the user are met, and personalized preview data can be acquired.
Moreover, when the preview data setting instruction is triggered again, the preview data can be conveniently replaced, and the operation of replacing the preview data is simplified. When the preview data setting instruction is triggered again for the same video, the video frame different from the video frame extracted last time is extracted from the video, so that the situation that the content of the preview data is repeated is avoided, the situation that the server sends the repeated preview data to the terminal is also avoided, and the waste of storage space is avoided.
Fig. 6 is a schematic structural diagram of a preview data playing apparatus according to an embodiment of the present invention. Referring to fig. 6, the apparatus includes:
a receiving module 601, configured to execute the process of receiving the preview data setting instruction in step 201 or 501;
an extracting module 602, configured to perform the process of extracting the video frame in step 202 or 501;
a generating module 603, configured to execute the process of generating the preview data in step 203 or 502;
a playing module 604, configured to execute the process of playing the preview data in step 204 or 503.
Optionally, the receiving module 601 is further configured to display a video list, and determine that the preview data setting instruction is received through the video list.
Optionally, the extracting module 602 is configured to calculate a score according to the recording information of each video frame, and extract the video frame according to the score of each video frame.
Optionally, the generating module 603 is configured to: a video formed by combining a plurality of video frames is used as preview data; or compressing a video formed by combining a plurality of video frames, and taking the compressed video as preview data; or converting the format of a video formed by combining a plurality of video frames to obtain a dynamic picture, and taking the dynamic picture as preview data.
Optionally, the extracting module 602 is further configured to execute a process of receiving the preview data setting instruction again in the above step 206 or 504;
the generating module 603 is further configured to execute the process of generating the preview data again in step 206 or 505;
the playing module 604 is further configured to execute the process of playing the generated preview data in step 208 or 505.
Optionally, the receiving module 601 is located in a terminal, and the extracting module 602 and the generating module 603 are located in a server;
the receiving module 601 is configured to send a preview data setting instruction to the server when receiving the preview data setting instruction, and the server generates the preview data through the extracting module 602 and the generating module 603.
Optionally, the receiving module 601, the extracting module 602, and the generating module 603 are located in a server, and the playing module 604 is located in a terminal;
the server is configured to add preview data to a preview area on the designated page, send the designated page to the terminal, and play the designated page by the terminal through the playing module 604.
It should be noted that: in the preview data playing apparatus provided in the above embodiment, when playing the preview data, only the division of the above functional modules is taken as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the terminal or the server is divided into different functional modules to complete all or part of the above described functions. In addition, the preview data playing apparatus provided in the foregoing embodiment and the preview data playing method embodiment belong to the same concept, and specific implementation processes thereof are detailed in the method embodiment and will not be described herein again.
Fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention. The terminal may be configured to implement the functions performed by the terminal in the preview data playing method shown in the above-described embodiment. Specifically, the method comprises the following steps:
terminal 700 can include RF (Radio Frequency) circuitry 110, memory 120 including one or more computer-readable storage media, input unit 130, display unit 140, sensor 150, audio circuitry 160, processor 170 including one or more processing cores, and battery 180, among other components. Those skilled in the art will appreciate that the terminal structure shown in fig. 7 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the RF circuit 110 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, receives downlink information from a base station and then sends the received downlink information to the one or more processors 170 for processing; in addition, data relating to uplink is transmitted to the base station. In general, the RF circuitry 110 includes, but is not limited to, an antenna, at least one power Amplifier, a tuner, one or more oscillators, a transceiver, a coupler, an LNA (Low Noise Amplifier), a duplexer, and the like. In addition, the RF circuitry 110 may also communicate with networks and other terminals via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communication), GPRS (General Packet Radio Service), CDMA (Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), email, SMS (Short Messaging Service), and the like.
The memory 120 may be used to store software programs and modules, such as the software programs and modules corresponding to the terminal shown in the above exemplary embodiments, and the processor 170 executes various functional applications and data processing, such as implementing video-based interaction, by running the software programs and modules stored in the memory 120. The memory 120 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the terminal 700, and the like. Further, the memory 120 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 120 may also include a memory controller to provide the processor 170 and the input unit 130 access to the memory 120.
The input unit 130 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, input unit 130 may include a touch-sensitive surface 131 as well as other input terminals 132. The touch-sensitive surface 131, also referred to as a touch display screen or a touch pad, may collect touch operations by a user on or near the touch-sensitive surface 131 (e.g., operations by a user on or near the touch-sensitive surface 131 using a finger, a stylus, or any other suitable object or attachment), and drive the corresponding link device according to a predetermined program. Alternatively, the touch sensitive surface 131 may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 170, and can receive and execute commands sent by the processor 170. Additionally, the touch-sensitive surface 131 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch-sensitive surface 131, the input unit 130 may also include other input terminals 132. In particular, other input terminals 132 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 140 may be used to display information input by or provided to a user and various graphical user interfaces of the terminal 700, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 140 may include a Display panel 141, and optionally, the Display panel 141 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, the touch-sensitive surface 131 may cover the display panel 141, and when a touch operation is detected on or near the touch-sensitive surface 131, the touch operation is transmitted to the processor 170 to determine the type of the touch event, and then the processor 170 provides a corresponding visual output on the display panel 141 according to the type of the touch event. Although in FIG. 7, touch-sensitive surface 131 and display panel 141 are shown as two separate components to implement input and output functions, in some embodiments, touch-sensitive surface 131 may be integrated with display panel 141 to implement input and output functions.
The terminal 700 can also include at least one sensor 150, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 141 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 141 and/or a backlight when the terminal 700 is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal 700, detailed descriptions thereof are omitted.
The processor 170 is a control center of the terminal 700, links various parts of the entire handset using various interfaces and lines, performs various functions of the terminal 700 and processes data by operating or executing software programs and/or modules stored in the memory 120 and calling data stored in the memory 120, thereby performing overall monitoring of the handset. Optionally, processor 170 may include one or more processing cores; preferably, the processor 170 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 170.
The terminal 700 further includes a battery 180 (e.g., a battery) for supplying power to the various components, which may preferably be logically connected to the processor 170 via a power management system, such that functions of managing charging, discharging, and power consumption are performed via the power management system. The battery 180 may also include any component of one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
Although not shown, the terminal 700 may further include a camera, a bluetooth module, etc., which will not be described herein. Specifically, in this embodiment, the display unit of the terminal 700 is a touch screen display, and the terminal 700 further includes a memory and at least one instruction, at least one program, a code set, or an instruction set, where the at least one instruction, the at least one program, the code set, or the instruction set is stored in the memory and is configured to be loaded and executed by one or more processors, so as to implement the operations executed in the preview data playing method in the foregoing embodiments.
Fig. 8 is a schematic structural diagram of a server 800 according to an embodiment of the present invention, where the server 800 may have a relatively large difference due to different configurations or performances, and may include one or more Central Processing Units (CPUs) 822 (e.g., one or more processors) and a memory 832, and one or more storage media 830 (e.g., one or more mass storage devices) for storing applications 842 or data 844. Memory 832 and storage medium 830 may be, among other things, transient or persistent storage. The program stored in the storage medium 830 may include one or more modules (not shown), each of which may include a series of instruction operations for the server. Further, the central processor 822 may be configured to communicate with the storage medium 830, load a series of instruction operations in the storage medium 830, and execute the above-described preview data playing method on the server 800.
The server 800 may also include one or more power supplies 826, one or more wired or wireless network interfaces 850, one or more input-output interfaces 858, one or more keyboards 856, andor one or more operating systems 841, such as Windows ServerTM，Mac OS XTM，UnixTM，LinuxTM，FreeBSDTMAnd so on.
The embodiment of the present invention further provides a preview data playing apparatus, where the preview data playing apparatus includes a processor and a memory, where the memory stores at least one instruction, at least one section of program, code set, or instruction set, and the instruction, the program, the code set, or the instruction set is loaded and executed by the processor to implement the operations executed in the preview data playing method of the foregoing embodiment.
An embodiment of the present invention further provides a computer-readable storage medium, where at least one instruction, at least one program, a code set, or a set of instructions is stored in the computer-readable storage medium, and the instruction, the program, the code set, or the set of instructions is loaded and executed by a processor to implement the operations performed in the preview data playing method of the foregoing embodiment.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Claims (14)
1. A method for playing preview data, the method comprising:
receiving a preview data setting instruction carrying a video identifier, wherein the preview data setting instruction is used for indicating that preview data are set according to a video corresponding to the video identifier;
extracting video frames from the video corresponding to the video identification according to the recording information of each video frame in the video, and generating preview data according to the extracted video frames, wherein the recording information comprises push priority and subtitle information, and the push priority of the video frames is determined according to the popularity degree of the video frames;
playing the preview data in a preview area on a designated page;
displaying a replay option in the preview area in response to the preview data being played completely; in response to the detection of the confirmation operation of the replay option, determining that a preview data setting instruction carrying the video identifier is received again; extracting a video frame different from the video frame extracted last time from the video, and generating preview data again according to the video frame extracted again; wherein, the push priority of the video frame extracted again is higher than that of the video frame extracted last time; playing the regenerated preview data in the preview area;
the extracting the video frame from the video corresponding to the video identifier according to the recording information of each video frame in the video includes:
for any subtitle information, under the condition that the subtitle information corresponds to a plurality of video frames, setting the subtitle score of a first video frame in the plurality of video frames to be higher than the subtitle scores of other video frames; wherein the other video frames are video frames of the plurality of video frames except the first video frame;
and extracting the video frames from the video according to the pushing priority and the caption score of each video frame.
2. The method according to claim 1, wherein the receiving the preview data setting instruction carrying the video identifier comprises:
displaying a video list, wherein the video list comprises a plurality of video identifications corresponding to a plurality of videos;
when the selection operation of the video identification in the video list is detected, displaying preview data setting options;
and when the confirmation operation of the preview data setting option is detected, determining that a preview data setting instruction carrying the video identifier is received.
3. The method according to claim 1, wherein the recording information further includes at least one of a play count, a fast forward play probability, a repeat play probability, a cancel play probability, and a play fluency; the extracting the video frame from the video corresponding to the video identifier according to the recording information of each video frame in the video further comprises:
calculating the score of each video frame by adopting a preset algorithm according to the recording information of each video frame in the video;
and extracting video frames from the video according to the score of each video frame.
4. The method of claim 3, wherein extracting video frames from the video according to the score of each video frame comprises:
extracting video frames with scores larger than preset scores from the videos; or,
extracting a preset number of video frames from the video according to the sequence of the scores from large to small; or,
and extracting the video frames with the total playing time length as the preset time length from the video according to the sequence of the scores from large to small.
5. The method of claim 1, wherein generating preview data from the extracted video frames comprises:
when a plurality of video frames are extracted, a video formed by combining the plurality of video frames serves as the preview data; or,
when a plurality of video frames are extracted, compressing a video formed by combining the plurality of video frames, and taking the compressed video as the preview data; or,
when a plurality of video frames are extracted, performing format conversion on a video formed by combining the plurality of video frames to obtain a dynamic picture, and taking the dynamic picture as the preview data.
6. The method according to any one of claims 1-5, wherein the extracting video frames from the video corresponding to the video identifier and generating preview data according to the extracted video frames comprises:
and sending the preview data setting instruction to a server, wherein the server is used for extracting video frames from the video corresponding to the video identification and generating preview data according to the extracted video frames.
7. The method of claim 1, wherein playing the preview data in a preview area on a specified page comprises:
adding the preview data in a preview area on the specified page;
and sending the appointed page to a terminal, wherein the terminal is used for playing the preview data in the preview area when the appointed page is displayed.
8. A preview data playback apparatus, the apparatus comprising:
the receiving module is used for receiving a preview data setting instruction carrying a video identifier, wherein the preview data setting instruction is used for indicating that preview data are set according to a video corresponding to the video identifier;
the extraction module is used for extracting video frames from the video corresponding to the video identification according to the recording information of each video frame in the video, wherein the recording information comprises push priority and subtitle information, and the push priority of the video frames is determined according to the popularity degree of the video frames;
the generating module is used for generating preview data according to the extracted video frames;
the playing module is used for playing the preview data in a preview area on a specified page;
the extracting module is further configured to display a replay option in the preview area in response to completion of the preview data; in response to the detection of the confirmation operation of the replay option, determining that a preview data setting instruction carrying the video identifier is received again; extracting a video frame different from the last extracted video frame from the video; wherein, the push priority of the video frame extracted again is higher than that of the video frame extracted last time;
the generation module is also used for generating preview data again according to the video frames extracted again;
the playing module is further configured to play the regenerated preview data in the preview area;
means for performing the steps of: for any subtitle information, under the condition that the subtitle information corresponds to a plurality of video frames, setting the subtitle score of a first video frame in the plurality of video frames to be higher than the subtitle scores of other video frames; wherein the other video frames are video frames of the plurality of video frames except the first video frame;
the extraction module is further used for extracting the video frames from the video according to the pushing priority and the caption score of each video frame.
9. The apparatus of claim 8, wherein the receiving module is further configured to present a video list, where the video list includes a plurality of video identifiers corresponding to a plurality of videos; when the selection operation of the video identification in the video list is detected, displaying preview data setting options; and when the confirmation operation of the preview data setting option is detected, determining that a preview data setting instruction carrying the video identifier is received.
10. The apparatus according to claim 8, wherein the recording information further includes at least one of a play count, a fast forward play probability, a repeat play probability, a cancel play probability, and a play fluency; the extraction module is further used for calculating the score of each video frame by adopting a preset algorithm according to the recording information of each video frame in the video; and extracting video frames from the video according to the score of each video frame.
11. The apparatus of claim 10, wherein the extraction module is configured to:
extracting video frames with scores larger than preset scores from the videos; or,
extracting a preset number of video frames from the video according to the sequence of the scores from large to small; or,
and extracting the video frames with the total playing time length as the preset time length from the video according to the sequence of the scores from large to small.
12. The apparatus of claim 8, wherein the generating module is configured to:
when a plurality of video frames are extracted, a video formed by combining the plurality of video frames serves as the preview data; or,
when a plurality of video frames are extracted, compressing a video formed by combining the plurality of video frames, and taking the compressed video as the preview data; or,
when a plurality of video frames are extracted, performing format conversion on a video formed by combining the plurality of video frames to obtain a dynamic picture, and taking the dynamic picture as the preview data.
13. A preview data playback device comprising a processor and a memory, wherein the memory has stored therein at least one instruction, at least one program, set of codes, or set of instructions, which is loaded and executed by the processor to carry out the operations carried out in the preview data playback method as claimed in any one of claims 1 to 7.
14. A computer-readable storage medium having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the operations performed in the preview data playback method of any one of claims 1 to 7.
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| CN114630146B (en) * | 2022-05-12 | 2023-01-17 | 海看网络科技(山东)股份有限公司 | Method for solving problem of progress bar preview jamming in IPTV |
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