CN106998493B - Video previewing method and device - Google Patents

Video previewing method and device Download PDF

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Publication number
CN106998493B
CN106998493B CN201710279072.8A CN201710279072A CN106998493B CN 106998493 B CN106998493 B CN 106998493B CN 201710279072 A CN201710279072 A CN 201710279072A CN 106998493 B CN106998493 B CN 106998493B
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video
preview
time point
information
time points
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CN106998493A (en
Inventor
吴寒潇
袁方
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Alibaba China Co Ltd
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Alibaba China Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44213Monitoring of end-user related data
    • H04N21/44222Analytics of user selections, e.g. selection of programs or purchase activity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand

Abstract

The disclosure relates to a video preview method and device. The method comprises the following steps: under the condition that a video preview request is detected, determining a preview time point corresponding to the video preview request; determining the set jigsaw to which the preview image corresponding to the preview time point belongs and the position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point; and displaying the preview picture according to the position information under the condition that the set jigsaw is loaded to the memory. The method and the device can reduce the time delay of displaying the preview image, reduce the times of data requests of the user terminal to the server, save network flow and improve user experience.

Description

Video previewing method and device
Technical Field
The present disclosure relates to the field of video technologies, and in particular, to a method and an apparatus for previewing a video.
Background
Currently, some video websites provide a video preview function, so that when a user drags a progress bar of a video or hovers a mouse at a certain position on the progress bar, a preview image of a corresponding time point can be seen above the progress bar. In the related art, when detecting that a user drags a progress bar of a video or the user hovers a mouse at a certain position on the progress bar, a terminal device sends a request for obtaining a preview image to a server according to a corresponding time point, the server returns the preview image corresponding to the time point to the terminal device, and the terminal device displays the preview image.
In the related art, when detecting that a user drags a progress bar or hovers a mouse over the progress bar, a terminal device sends a request for obtaining a preview image to a server, which causes a delay of displaying the preview image by the terminal device to be large and a consumed network traffic to be large.
Disclosure of Invention
In view of this, the present disclosure provides a method and an apparatus for previewing a video, so as to reduce the video preview delay and save the network traffic.
According to an aspect of the present disclosure, there is provided a method for previewing a video, including:
under the condition that a video preview request is detected, determining a preview time point corresponding to the video preview request;
determining the set jigsaw to which the preview image corresponding to the preview time point belongs and the position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point;
and displaying the preview picture according to the position information under the condition that the set jigsaw is loaded to the memory.
In one possible implementation, the method further includes:
loading the aggregate tile to the memory if the aggregate tile is not loaded to the memory.
In one possible implementation, the method further includes:
acquiring video preview information of the video under the condition that the video loading is successful,
wherein the video preview information includes: the information of the set jigsaw to which the preview image corresponding to each time point in all or part of the time points of the video belongs, and the position information of the preview image corresponding to each time point in the set jigsaw.
In a possible implementation manner, the video preview information further includes preview drawing description information corresponding to each time point.
In one possible implementation, the method further includes:
and displaying the preview drawing description information under the condition that the preview drawing description information corresponding to the preview time point exists.
According to another aspect of the present disclosure, there is provided a method of previewing a video, including:
dividing a video into a plurality of video segments;
for each video clip, determining a preview image corresponding to each time point in all or part of time points of the video clip;
splicing the preview images corresponding to all or part of time points of the video clip to obtain a set jigsaw puzzle corresponding to the video clip, wherein the size of the preview image corresponding to each time point is positively correlated with the weight of each time point;
recording the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong;
and recording the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set jigsaw puzzle.
In one possible implementation, the method further includes:
under the condition of receiving a video preview request from a client, determining a preview time point corresponding to the video preview request;
determining a set jigsaw to which the preview image corresponding to the preview time point belongs;
and sending the set jigsaw corresponding to the preview time point to the client.
In a possible implementation manner, after determining the set tile to which the preview image corresponding to the preview time point belongs, the method further includes:
and sending the position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point to the client.
In one possible implementation, the method further includes:
and generating video preview information of the video according to the information of the set jigsaw to which the preview images corresponding to all time points in all or part of the time points of the video belong and the position information of the preview images corresponding to all time points in all or part of the time points of the video in the set jigsaw.
In one possible implementation, the method further includes:
and generating video preview information of the video according to the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong, the position information of the preview images corresponding to all or part of the time points of the video in the set jigsaw and the preview image description information corresponding to all or part of the time points of the video.
In one possible implementation, the method further includes:
and under the condition of receiving a video preview information acquisition request from a client, sending the video preview information to the client.
According to another aspect of the present disclosure, there is provided a preview device of a video, including:
the device comprises a first determining module, a second determining module and a display module, wherein the first determining module is used for determining a preview time point corresponding to a video preview request under the condition that the video preview request is detected;
the second determining module is used for determining the set jigsaw to which the preview image corresponding to the preview time point belongs and the position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point;
and the first display module is used for displaying the preview picture according to the position information under the condition that the set jigsaw is loaded to the memory.
In one possible implementation, the apparatus further includes:
a loading module, configured to load the set tile into the memory if the set tile is not loaded into the memory.
In one possible implementation, the apparatus further includes:
an obtaining module, configured to obtain video preview information of a video when the video is successfully loaded,
wherein the video preview information includes: the information of the set jigsaw to which the preview image corresponding to each time point in all or part of the time points of the video belongs, and the position information of the preview image corresponding to each time point in the set jigsaw.
In a possible implementation manner, the video preview information further includes preview drawing description information corresponding to each time point.
In one possible implementation, the apparatus further includes:
and the second display module is used for displaying the preview image description information under the condition that the preview image description information corresponding to the preview time point exists.
According to another aspect of the present disclosure, there is provided a preview device of a video, including:
the dividing module is used for dividing the video into a plurality of video segments;
the first determining module is used for determining a preview image corresponding to each time point in all or part of time points of each video clip;
the splicing module is used for splicing the preview images corresponding to all or part of the time points of the video clip to obtain a set jigsaw corresponding to the video clip, wherein the size of the preview image corresponding to each time point is positively correlated with the weight of each time point;
the first recording module is used for recording the information of the set jigsaw to which the preview images corresponding to all time points in all or part of the time points of the video belong;
and the second recording module is used for recording the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set jigsaw puzzle.
In one possible implementation, the apparatus further includes:
the second determining module is used for determining a preview time point corresponding to a video preview request under the condition that the video preview request from the client is received;
the third determining module is used for determining the set jigsaw to which the preview image corresponding to the preview time point belongs;
and the first sending module is used for sending the set jigsaw corresponding to the preview time point to the client.
In one possible implementation, the apparatus further includes:
and the second sending module is used for sending the position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point to the client.
In one possible implementation, the apparatus further includes:
and the first generation module is used for generating the video preview information of the video according to the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong and the position information of the preview images corresponding to all or part of the time points of the video in the set jigsaw.
In one possible implementation, the apparatus further includes:
and the second generation module is used for generating video preview information of the video according to the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong, the position information of the preview images corresponding to all or part of the time points of the video in the set jigsaw and the preview image description information corresponding to all or part of the time points of the video.
In one possible implementation, the apparatus further includes:
and the third sending module is used for sending the video preview information to the client under the condition of receiving a video preview information acquisition request from the client.
According to another aspect of the present disclosure, there is provided a preview device of a video, including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to perform the above method.
According to another aspect of the present disclosure, there is provided a non-transitory computer readable storage medium having computer program instructions stored thereon, wherein the computer program instructions, when executed by a processor, implement the above-described method.
According to the video previewing method and device in each aspect of the disclosure, when a video previewing request is detected, a previewing time point corresponding to the video previewing request is determined, an aggregate puzzle to which a preview image corresponding to the previewing time point belongs and position information of the preview image corresponding to the previewing time point in the aggregate puzzle corresponding to the previewing time point are determined, and the preview image is displayed according to the position information when the aggregate puzzle is loaded to a memory, so that the time delay for displaying the preview image can be reduced, the number of times of data requests from a user terminal to a server is reduced, the network flow is saved, and the user experience can be improved.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
Fig. 1 shows a flowchart of a preview method of a video according to an embodiment of the present disclosure.
Fig. 2 illustrates a schematic diagram of displaying a preview according to position information of a preview in a preview method of a video according to an embodiment of the present disclosure.
Fig. 3 illustrates a schematic diagram showing a preview image in a preview method of a video according to an embodiment of the present disclosure.
Fig. 4 illustrates a schematic diagram showing preview drawing description information in a preview method of a video according to an embodiment of the present disclosure.
Fig. 5 illustrates an exemplary flowchart of a preview method of a video according to an embodiment of the present disclosure.
Fig. 6 shows a flowchart of a preview method of a video according to an embodiment of the present disclosure.
Fig. 7 is a schematic diagram illustrating a collective mosaic in a preview method of a video according to an embodiment of the present disclosure.
Fig. 8 shows another schematic diagram of a collective mosaic in a preview method of a video according to an embodiment of the present disclosure.
Fig. 9 shows a block diagram of a preview device of a video according to an embodiment of the present disclosure.
Fig. 10 illustrates an exemplary block diagram of a video preview device according to an embodiment of the present disclosure.
Fig. 11 illustrates a block diagram of a preview device of a video according to an embodiment of the present disclosure.
Fig. 12 illustrates an exemplary block diagram of a video preview device according to an embodiment of the present disclosure.
Fig. 13 is a block diagram illustrating an apparatus 800 for previewing of videos according to an exemplary embodiment.
Fig. 14 is a block diagram illustrating an apparatus 1900 for previewing of videos according to an exemplary embodiment.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
Example 1
Fig. 1 shows a flowchart of a preview method of a video according to an embodiment of the present disclosure. The method may be applied to a user terminal, for example, the user terminal may be a mobile terminal such as a mobile phone or a tablet Computer, or may be applied to a PC (Personal Computer), and the like, which is not limited herein. As shown in fig. 1, the method includes steps S101 to S103.
In step S101, when a video preview request is detected, a preview time point corresponding to the video preview request is determined.
As an example of the present embodiment, in the case where it is detected that the user drags the progress bar float of the video, the preview time point is determined according to the position of the pause during the dragging. If the preview image corresponding to the preview time point is not displayed, generating a video preview request corresponding to the preview time point; and if the preview image corresponding to the preview time point is displayed, not generating a video preview request corresponding to the preview time point.
As another example of the present embodiment, in a case where it is detected that the user slides the video playing interface, the preview time point is determined according to the position of the pause during the sliding. If the preview image corresponding to the preview time point is not displayed, generating a video preview request corresponding to the preview time point; and if the preview image corresponding to the preview time point is displayed, not generating a video preview request corresponding to the preview time point.
In step S102, an aggregate mosaic to which the preview image corresponding to the preview time point belongs and position information of the preview image corresponding to the preview time point in the aggregate mosaic corresponding to the preview time point are determined.
As an example of this embodiment, the location information of the preview picture at the aggregate tile may include a left margin (L eft), a Right margin (Right), a Top margin (Top), and a Bottom margin (Bottom) of the preview picture at the aggregate tile.
In this embodiment, a request for obtaining an aggregate mosaic needs to be sent to the server only once for a plurality of preview pictures belonging to the same aggregate mosaic, so that a large number of requests for obtaining preview pictures are replaced by a small number of requests for obtaining the aggregate mosaic, thereby greatly reducing the number of times that the user terminal requests the server for a preview picture, saving network traffic, and reducing the load of the server.
As an example of the present embodiment, the size of the preview image corresponding to each time point of the video is positively correlated with the weight of each time point, so that the preview image of the viewpoint portion of the video can be highlighted, thereby attracting the attention of the user and improving the user experience.
In step S103, if the set tile is loaded into the memory, the preview is displayed according to the location information.
In this embodiment, when the set tile corresponding to the preview time point is loaded into the memory, the preview image is displayed according to the position information of the preview image corresponding to the preview time point in the set tile corresponding to the preview time point, so that the time delay for displaying the preview image can be greatly reduced, the response speed can be increased, the efficiency for displaying the preview image can be increased, and the user experience can be improved.
Fig. 2 illustrates a schematic diagram of displaying a preview according to position information of a preview in a preview method of a video according to an embodiment of the present disclosure. When the set tile is loaded into the memory, only the preview image corresponding to the preview time point may be displayed in a clipping manner, as shown in fig. 2, and the shaded portion is not refreshed to the display layer. By loading the whole set jigsaw into the memory, different preview pictures can be rapidly switched and displayed in the same set jigsaw, and therefore the display efficiency of a user side can be greatly improved.
Fig. 3 illustrates a schematic diagram showing a preview image in a preview method of a video according to an embodiment of the present disclosure. As shown in fig. 3, the preview time point corresponding to the preview image may be displayed below the preview image while the preview image is displayed, or the preview time point corresponding to the preview image may be displayed in the preview image, which is not limited herein.
In one possible implementation, the method further includes: and loading the set puzzle into the memory under the condition that the set puzzle is not loaded into the memory.
In the implementation manner, the set jigsaw is loaded to the memory under the condition that the set jigsaw corresponding to the preview time point is not loaded to the memory, so that when other preview pictures belonging to the set jigsaw are required to be displayed, the set jigsaw does not need to be repeatedly loaded to the memory, the time delay of displaying the preview pictures can be greatly reduced, the response speed is increased, the efficiency of displaying the preview pictures is improved, and the user experience is improved.
In one possible implementation, the method further includes: under the condition that the video loading is successful, video preview information of the video is obtained, wherein the video preview information comprises: the information of the set jigsaw to which the preview image corresponding to each time point in all or part of the time points of the video belongs, and the position information of the preview image corresponding to each time point in the set jigsaw. In the implementation mode, under the condition that the video loading is successful, the video preview information of the video is obtained from the server, so that the corresponding preview image and the set jigsaw can be quickly determined according to the video preview information under the condition that the video preview request is detected, and the display efficiency of the preview image can be greatly improved.
In a possible implementation manner, the video preview information further includes preview drawing description information corresponding to each time point. The preview image description information may be text information for describing a preview image, and is not limited herein.
In one possible implementation, the method further includes: and displaying the preview image description information when the preview image description information corresponding to the preview time point exists.
Fig. 4 illustrates a schematic diagram showing preview drawing description information in a preview method of a video according to an embodiment of the present disclosure. In fig. 4, the preview descriptive information is "singer a sings song B". The preview description information may be displayed above, to the left, to the right, or below the preview, and the like, and is not limited herein.
Fig. 5 illustrates an exemplary flowchart of a preview method of a video according to an embodiment of the present disclosure. As shown in fig. 5, the method may include steps S501 to S511.
In step S501, in the case where the video loading is successful, video preview information of the video is acquired.
In step S502, when a video preview request is detected, a preview time point corresponding to the video preview request is determined.
In step S503, a set tile to which the preview image corresponding to the preview time point belongs is determined.
In step S504, it is determined whether the set of tiles has been acquired, if so, step S506 is executed, otherwise, step S505 is executed.
In step S505, the set tiles are obtained.
In step S506, it is determined whether the set of tiles is loaded into the memory, if so, step S508 is executed, otherwise, step S507 is executed.
In step S507, the set tile is loaded into the memory.
As an example of this embodiment, upon determining that the aggregate tile is not obtained from the server, the aggregate tile may be obtained from the server and stored to the local disk. In the event that it is determined that the aggregate tile has been retrieved from the server, but not loaded from the local disk to memory, the aggregate tile may be loaded to memory.
In step S508, the position information of the preview image corresponding to the preview time point in the set tile corresponding to the preview time point is determined.
In step S509, the preview image is displayed based on the position information.
In step S510, it is determined whether there is preview drawing description information corresponding to the preview time point, if yes, step S511 is executed, otherwise, step S502 is returned to.
In step S511, the preview drawing description information corresponding to the preview time point is displayed.
According to the embodiment, the time delay of displaying the preview image can be reduced, the times of data requests from the user terminal to the server are reduced, the network flow is saved, and therefore the user experience can be improved.
Example 2
Fig. 6 shows a flowchart of a preview method of a video according to an embodiment of the present disclosure. The method may be applied to a server, and is not limited herein. The method may include steps S601 to S605.
In step S601, the video is divided into a plurality of video segments.
For example, the video may be divided into a plurality of video segments according to a preset time length, which is not limited herein.
In step S602, for each video segment, a preview corresponding to each time point in all or part of the time points of the video segment is determined.
As an example of this embodiment, for a certain video segment, all time points of the video segment may have corresponding preview pictures, or some time points of the video segment may have corresponding preview pictures, and other time points may not have corresponding preview pictures.
As an example of this embodiment, the preview images corresponding to adjacent time points may be the same.
In step S603, a set mosaic corresponding to the video segment is obtained by stitching according to the preview images corresponding to each time point in all or part of the time points of the video segment, wherein the size of the preview image corresponding to each time point is positively correlated to the weight of each time point.
As an example of this embodiment, the preview images of the video segment may be stitched according to the time sequence corresponding to the preview images, so as to obtain a set mosaic corresponding to the video segment.
As an example of the embodiment, in the case that the weights of all or part of time points of a certain video segment are the same, the size of the preview image corresponding to each time point of the video segment may be the same, for example, the size of the preview image corresponding to each time point of the video segment may be 160 × 90 pixels, FIG. 7 shows a schematic diagram of an aggregate mosaic in a preview method of a video according to an embodiment of the disclosure, as shown in FIG. 7, the size of each preview image is the same in the aggregate mosaic.
As another example of this embodiment, in a case that a certain video segment includes a key time point, the weight of the key time point in the video segment may be greater than the weights of other time points of the video segment, so that the size of the preview map corresponding to the key time point of the video segment may be greater than the size of the preview map corresponding to other time points of the video segment. The key time point may be a time point set by an uploader of the video, for example, the video content corresponding to the key time point may be a viewpoint portion of the video.
As an example of this embodiment, a set mosaic corresponding to the video may be obtained by stitching according to the preview map corresponding to each time point in all or part of the time points of the video. In this example, one video may correspond to only one set of tiles. Fig. 8 shows another schematic diagram of a collective mosaic in a preview method of a video according to an embodiment of the present disclosure. As shown in fig. 8, in the set mosaic, a part of the preview images have a large size, and another part of the preview images have a small size.
In step S604, information of the set tiles to which the preview images corresponding to the respective time points in all or part of the time points of the video belong is recorded.
In step S605, the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set tile is recorded.
As an example of this embodiment, information of the preview image corresponding to each time point in all or part of the time points of the video may also be recorded.
As an example of this embodiment, the correspondence between each preview image of the video and the set tiles may also be recorded.
As an example of this embodiment, a UR L (Uniform Resource L locator) list of preview images contained in each set tile of the video may also be recorded.
In one possible implementation, the method further includes: under the condition of receiving a video preview request from a client, determining a preview time point corresponding to the video preview request; determining a set jigsaw to which the preview image corresponding to the preview time point belongs; and sending the set jigsaw corresponding to the preview time point to the client.
The client may be various user terminals, for example, a mobile terminal such as a mobile phone or a tablet computer, or a PC, and is not limited herein.
In a possible implementation manner, after determining the set tile to which the preview image corresponding to the preview time point belongs, the method further includes: and sending the position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point to the client.
In one possible implementation, the method further includes: and generating video preview information of the video according to the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong and the position information of the preview images corresponding to all or part of the time points of the video in the set jigsaw.
In one possible implementation, the method further includes: and generating video preview information of the video according to the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong, the position information of the preview images corresponding to all or part of the time points of the video in the set jigsaw and the preview image description information corresponding to all or part of the time points of the video.
In one possible implementation, the method further includes: and under the condition of receiving a video preview information acquisition request from a client, sending the video preview information to the client.
In the embodiment, the plurality of preview images are spliced into one set jigsaw, and the set jigsaw is returned to the client instead of the preview image returned to the client under the condition that a video preview request from the client is received, so that a large number of responses for returning the preview image can be replaced by a small number of responses for returning the set jigsaw, the times for responding to the client can be greatly reduced, and the load of the server can be reduced. According to the embodiment, the size of the corresponding preview is determined according to the weight of each time point in the video, so that the preview of the viewpoint part can be highlighted, the attention of a user can be attracted, and the user experience is improved.
Example 3
Fig. 9 shows a block diagram of a preview device of a video according to an embodiment of the present disclosure. As shown in fig. 9, the apparatus includes: the first determining module 91 is configured to determine a preview time point corresponding to a video preview request when the video preview request is detected; a second determining module 92, configured to determine an aggregate puzzle to which the preview image corresponding to the preview time point belongs, and location information of the preview image corresponding to the preview time point in the aggregate puzzle corresponding to the preview time point; a first display module 93, configured to display the preview image according to the location information when the set tile is loaded into the memory.
Fig. 10 illustrates an exemplary block diagram of a video preview device according to an embodiment of the present disclosure. As shown in fig. 10:
in one possible implementation, the apparatus further includes: a loading module 94, configured to load the aggregate tile into the memory if the aggregate tile is not loaded into the memory.
In one possible implementation, the apparatus further includes: an obtaining module 95, configured to obtain video preview information of a video when the video is successfully loaded, where the video preview information includes: the information of the set jigsaw to which the preview image corresponding to each time point in all or part of the time points of the video belongs, and the position information of the preview image corresponding to each time point in the set jigsaw.
In a possible implementation manner, the video preview information further includes preview drawing description information corresponding to each time point.
In one possible implementation, the apparatus further includes: and a second display module 96, configured to display the preview drawing description information when the preview drawing description information corresponding to the preview time point exists.
According to the embodiment, the time delay of displaying the preview image can be reduced, the times of data requests from the user terminal to the server are reduced, the network flow is saved, and therefore the user experience can be improved.
Example 4
Fig. 11 illustrates a block diagram of a preview device of a video according to an embodiment of the present disclosure. As shown in fig. 11, the apparatus includes: a dividing module 111, configured to divide a video into a plurality of video segments; a first determining module 112, configured to determine, for each video segment, a preview corresponding to each time point in all or part of time points of the video segment; a splicing module 113, configured to splice a preview image corresponding to each time point in all or some time points of the video segment to obtain an aggregate mosaic corresponding to the video segment, where a size of the preview image corresponding to each time point is positively correlated to a weight of each time point; a first recording module 114, configured to record information of an aggregate mosaic to which a preview image corresponding to each time point in all or part of time points of the video belongs; and a second recording module 115, configured to record location information of the preview image corresponding to each time point in all or part of the time points of the video in the set of tiles.
Fig. 12 illustrates an exemplary block diagram of a video preview device according to an embodiment of the present disclosure. As shown in fig. 12:
in one possible implementation, the apparatus further includes: a second determining module 116, configured to determine, when a video preview request is received from a client, a preview time point corresponding to the video preview request; a third determining module 117, configured to determine a set puzzle to which the preview image corresponding to the preview time point belongs; a first sending module 118, configured to send the set tile corresponding to the preview time point to the client.
In one possible implementation, the apparatus further includes: a second sending module 119, configured to send the location information of the preview image corresponding to the preview time point in the set puzzle corresponding to the preview time point to the client.
In one possible implementation, the apparatus further includes: the first generating module 120 is configured to generate video preview information of the video according to information of an assembly mosaic to which the preview image corresponding to each time point in all or part of time points of the video belongs and position information of the preview image corresponding to each time point in all or part of time points of the video in the assembly mosaic.
In one possible implementation, the apparatus further includes: the second generating module 121 is configured to generate video preview information of the video according to information of an assembly mosaic to which the preview image belongs at each time point in all or part of the time points of the video, position information of the preview image in the assembly mosaic at each time point in all or part of the time points of the video, and preview image description information at each time point in all or part of the time points of the video.
In one possible implementation, the apparatus further includes: the third sending module 122 is configured to send the video preview information to the client when receiving a video preview information obtaining request from the client.
In the embodiment, the plurality of preview images are spliced into one set jigsaw, and the set jigsaw is returned to the client instead of the preview image returned to the client under the condition that a video preview request from the client is received, so that a large number of responses for returning the preview image can be replaced by a small number of responses for returning the set jigsaw, the times for responding to the client can be greatly reduced, and the load of the server can be reduced. According to the embodiment, the size of the corresponding preview is determined according to the weight of each time point in the video, so that the preview of the viewpoint part can be highlighted, the attention of a user can be attracted, and the user experience is improved.
Example 5
Fig. 13 is a block diagram illustrating an apparatus 800 for previewing of videos according to an exemplary embodiment. For example, the apparatus 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 13, the apparatus 800 may include one or more of the following components: processing component 802, memory 804, power component 806, multimedia component 808, audio component 810, input/output (I/O) interface 812, sensor component 814, and communication component 816.
The processing component 802 generally controls overall operation of the device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operations at the apparatus 800. Examples of such data include instructions for any application or method operating on device 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
Power components 806 provide power to the various components of device 800. The power components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the apparatus 800.
The multimedia component 808 includes a screen that provides an output interface between the device 800 and a user, in some embodiments, the screen may include a liquid crystal display (L CD) and a Touch Panel (TP). if the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.
The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 814 includes one or more sensors for providing various aspects of state assessment for the device 800. For example, the sensor assembly 814 may detect the open/closed status of the device 800, the relative positioning of components, such as a display and keypad of the device 800, the sensor assembly 814 may also detect a change in the position of the device 800 or a component of the device 800, the presence or absence of user contact with the device 800, the orientation or acceleration/deceleration of the device 800, and a change in the temperature of the device 800. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 816 is configured to facilitate communications between the apparatus 800 and other devices in a wired or wireless manner. The device 800 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), programmable logic devices (P L D), Field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the methods described above.
In an exemplary embodiment, a non-transitory computer-readable storage medium, such as the memory 804, is also provided that includes computer program instructions executable by the processor 820 of the device 800 to perform the above-described methods.
Example 6
Fig. 14 is a block diagram illustrating an apparatus 1900 for previewing of videos according to an exemplary embodiment. For example, the apparatus 1900 may be provided as a server. Referring to fig. 14, the device 1900 includes a processing component 1922 further including one or more processors and memory resources, represented by memory 1932, for storing instructions, e.g., applications, executable by the processing component 1922. The application programs stored in memory 1932 may include one or more modules that each correspond to a set of instructions. Further, the processing component 1922 is configured to execute instructions to perform the above-described method.
The device 1900 may further include a power component 1926 configured to perform power management of the device 1900, a wired or wireless network interface 1950 configured to connect the device 1900 to a network, and an input-output (I/O) interface 1958 the device 1900 may be operable based on an operating system stored in memory 1932, such as Windows server, MacOS XTM, UnixTM, &ltttttranslation = L "&tttl &/ttt &gtgttinux, FreeBSDTM, or the like.
In an exemplary embodiment, a non-transitory computer readable storage medium, such as the memory 1932, is also provided that includes computer program instructions executable by the processing component 1922 of the apparatus 1900 to perform the above-described methods.
The present disclosure may be systems, methods, and/or computer program products. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied thereon for causing a processor to implement various aspects of the present disclosure.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
Computer program instructions for carrying out operations of the present disclosure may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including AN object oriented programming language such as Smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" language or similar programming languages.
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (18)

1. A method for previewing a video, comprising:
under the condition that a video preview request is detected, determining a preview time point corresponding to the video preview request;
determining a set jigsaw to which the preview image corresponding to the preview time point belongs and position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point, wherein the size of the preview image corresponding to each time point of the video is positively correlated with the weight of each time point;
and displaying the preview picture according to the position information under the condition that the set jigsaw is loaded to the memory.
2. The method of claim 1, further comprising:
loading the aggregate tile to the memory if the aggregate tile is not loaded to the memory.
3. The method of claim 1, further comprising:
acquiring video preview information of the video under the condition that the video loading is successful,
wherein the video preview information includes: the information of the set jigsaw to which the preview image corresponding to each time point in all or part of the time points of the video belongs, and the position information of the preview image corresponding to each time point in the set jigsaw.
4. The method of claim 3, wherein the video preview information further comprises preview drawing description information corresponding to the respective time points.
5. The method of claim 1, further comprising:
and displaying the preview drawing description information under the condition that the preview drawing description information corresponding to the preview time point exists.
6. A method for previewing a video, comprising:
dividing a video into a plurality of video segments;
for each video clip, determining a preview image corresponding to each time point in all or part of time points of the video clip;
splicing the preview images corresponding to all or part of time points of the video clip to obtain a set jigsaw puzzle corresponding to the video clip, wherein the size of the preview image corresponding to each time point is positively correlated with the weight of each time point;
recording the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong;
recording the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set jigsaw;
under the condition of receiving a video preview request from a client, determining a preview time point corresponding to the video preview request;
determining a set jigsaw to which the preview image corresponding to the preview time point belongs;
and sending the set jigsaw corresponding to the preview time point and the position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point to the client.
7. A method for previewing a video, comprising:
dividing a video into a plurality of video segments;
for each video clip, determining a preview image corresponding to each time point in all or part of time points of the video clip;
splicing the preview images corresponding to all or part of time points of the video clip to obtain a set jigsaw puzzle corresponding to the video clip, wherein the size of the preview image corresponding to each time point is positively correlated with the weight of each time point;
recording the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong;
recording the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set jigsaw;
generating video preview information of the video according to the information of the set jigsaw to which the preview images corresponding to all time points in all or part of the time points of the video belong and the position information of the preview images corresponding to all time points in all or part of the time points of the video in the set jigsaw;
and under the condition of receiving a video preview information acquisition request from a client, sending the video preview information to the client.
8. A method for previewing a video, comprising:
dividing a video into a plurality of video segments;
for each video clip, determining a preview image corresponding to each time point in all or part of time points of the video clip;
splicing the preview images corresponding to all or part of time points of the video clip to obtain a set jigsaw puzzle corresponding to the video clip, wherein the size of the preview image corresponding to each time point is positively correlated with the weight of each time point;
recording the information of the set jigsaw to which the preview images corresponding to all or part of the time points of the video belong;
recording the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set jigsaw;
generating video preview information of the video according to information of an assembly jigsaw to which preview images corresponding to all time points in all or part of time points of the video belong, position information of the preview images corresponding to all time points in all or part of time points of the video in the assembly jigsaw and preview image description information corresponding to all time points in all or part of time points of the video;
and under the condition of receiving a video preview information acquisition request from a client, sending the video preview information to the client.
9. An apparatus for previewing video, comprising:
the device comprises a first determining module, a second determining module and a display module, wherein the first determining module is used for determining a preview time point corresponding to a video preview request under the condition that the video preview request is detected;
a second determining module, configured to determine an aggregate mosaic to which the preview image corresponding to the preview time point belongs, and location information of the preview image corresponding to the preview time point in the aggregate mosaic corresponding to the preview time point, where a size of the preview image corresponding to each time point of the video is positively correlated to a weight of each time point;
and the first display module is used for displaying the preview picture according to the position information under the condition that the set jigsaw is loaded to the memory.
10. The apparatus of claim 9, further comprising:
a loading module, configured to load the set tile into the memory if the set tile is not loaded into the memory.
11. The apparatus of claim 9, further comprising:
an obtaining module, configured to obtain video preview information of a video when the video is successfully loaded,
wherein the video preview information includes: the information of the set jigsaw to which the preview image corresponding to each time point in all or part of the time points of the video belongs, and the position information of the preview image corresponding to each time point in the set jigsaw.
12. The apparatus of claim 11, wherein the video preview information further comprises preview drawing description information corresponding to the respective time points.
13. The apparatus of claim 9, further comprising:
and the second display module is used for displaying the preview image description information under the condition that the preview image description information corresponding to the preview time point exists.
14. An apparatus for previewing video, comprising:
the dividing module is used for dividing the video into a plurality of video segments;
the first determining module is used for determining a preview image corresponding to each time point in all or part of time points of each video clip;
the splicing module is used for splicing the preview images corresponding to all or part of the time points of the video clip to obtain a set jigsaw corresponding to the video clip, wherein the size of the preview image corresponding to each time point is positively correlated with the weight of each time point;
the first recording module is used for recording the information of the set jigsaw to which the preview images corresponding to all time points in all or part of the time points of the video belong;
the second recording module is used for recording the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set jigsaw puzzle;
the second determining module is used for determining a preview time point corresponding to a video preview request under the condition that the video preview request from the client is received;
the third determining module is used for determining the set jigsaw to which the preview image corresponding to the preview time point belongs;
and the first sending module is used for sending the set jigsaw corresponding to the preview time point and the position information of the preview image corresponding to the preview time point in the set jigsaw corresponding to the preview time point to the client.
15. An apparatus for previewing video, comprising:
the dividing module is used for dividing the video into a plurality of video segments;
the first determining module is used for determining a preview image corresponding to each time point in all or part of time points of each video clip;
the splicing module is used for splicing the preview images corresponding to all or part of the time points of the video clip to obtain a set jigsaw corresponding to the video clip, wherein the size of the preview image corresponding to each time point is positively correlated with the weight of each time point;
the first recording module is used for recording the information of the set jigsaw to which the preview images corresponding to all time points in all or part of the time points of the video belong;
the second recording module is used for recording the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set jigsaw puzzle;
the first generation module is used for generating video preview information of the video according to information of an assembly jigsaw to which the preview images corresponding to all time points in all or part of time points of the video belong and position information of the preview images corresponding to all time points in all or part of time points of the video in the assembly jigsaw;
and the third sending module is used for sending the video preview information to the client under the condition of receiving a video preview information acquisition request from the client.
16. An apparatus for previewing video, comprising:
the dividing module is used for dividing the video into a plurality of video segments;
the first determining module is used for determining a preview image corresponding to each time point in all or part of time points of each video clip;
the splicing module is used for splicing the preview images corresponding to all or part of the time points of the video clip to obtain a set jigsaw corresponding to the video clip, wherein the size of the preview image corresponding to each time point is positively correlated with the weight of each time point;
the first recording module is used for recording the information of the set jigsaw to which the preview images corresponding to all time points in all or part of the time points of the video belong;
the second recording module is used for recording the position information of the preview image corresponding to each time point in all or part of the time points of the video in the set jigsaw puzzle;
a second generation module, configured to generate video preview information of the video according to information of an assembly mosaic to which the preview image belongs at each time point in all or part of the time points of the video, position information of the preview image in the assembly mosaic at each time point in all or part of the time points of the video, and preview image description information at each time point in all or part of the time points of the video;
and the third sending module is used for sending the video preview information to the client under the condition of receiving a video preview information acquisition request from the client.
17. An apparatus for previewing video, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to perform the method of any one of claims 1 to 8.
18. A non-transitory computer readable storage medium having computer program instructions stored thereon, wherein the computer program instructions, when executed by a processor, implement the method of any of claims 1 to 8.
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