CN110730387B - Video playing control method and device, storage medium and electronic device - Google Patents

Video playing control method and device, storage medium and electronic device Download PDF

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Publication number
CN110730387B
CN110730387B CN201911108291.5A CN201911108291A CN110730387B CN 110730387 B CN110730387 B CN 110730387B CN 201911108291 A CN201911108291 A CN 201911108291A CN 110730387 B CN110730387 B CN 110730387B
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playing
target
target video
video clip
evaluation
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CN110730387A (en
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余自强
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Tencent Technology Shenzhen Co Ltd
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Tencent Technology Shenzhen Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

Abstract

The invention discloses a video playing control method and device, a storage medium and an electronic device. Wherein, the method comprises the following steps: acquiring a video adjustment control instruction for a target video clip played by a playing client, wherein the video adjustment control instruction is used for indicating the adjustment of the video playing rate of the target video clip; responding to the video adjustment control instruction, and acquiring video playing control information matched with the target video clip, wherein the video playing control information comprises: the account attribute information of a target user account used for logging in the playing client and the historical operation information corresponding to the target video clip; determining the playing rate of the target video clip as the target playing rate according to the video playing control information; and controlling to adjust the playing speed of the target video clip to the target playing speed. The invention solves the technical problem of higher control operation complexity in the video control method provided by the related technology.

Description

Video playing control method and device, storage medium and electronic device
Technical Field
The invention relates to the field of computers, in particular to a video playing control method and device, a storage medium and an electronic device.
Background
In order to shorten the actual playing time of the video, many users often choose to use the double-speed playing function to watch the video content quickly to skip some monotonous chatty. At present, the multiple speed play control method provided by the related art usually adopts a fixed multiple speed for the user to select, or requires the user to manually fast forward to achieve the purpose of speeding up viewing.
That is to say, in the control method provided in the related art, the speed control mode for the video is single, and the video often includes a plurality of different highlight segments, so that the user is required to manually adjust the playing progress of the video, which results in a problem of high complexity of the video playing control operation.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a video playing control method and device, a storage medium and an electronic device, which are used for at least solving the technical problem of higher control operation complexity in a video control method provided by the related technology.
According to an aspect of the embodiments of the present invention, there is provided a video playback control method, including: acquiring a video adjustment control instruction for a target video clip played by a playing client, wherein the video adjustment control instruction is used for instructing adjustment of the video playing rate of the target video clip; responding to the video adjustment control instruction, and acquiring video playing control information matched with the target video clip, wherein the video playing control information comprises: account attribute information of a target user account for logging in the playing client and historical operation information corresponding to the target video clip; determining the playing speed of the target video clip as a target playing speed according to the video playing control information; and controlling to adjust the playing speed of the target video clip to the target playing speed.
According to an aspect of the embodiments of the present invention, there is also provided a video playback control apparatus, including: the device comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring a video adjustment control instruction for playing a target video clip played by a client, and the video adjustment control instruction is used for instructing the adjustment of the video playing rate of the target video clip; a second obtaining unit, configured to obtain, in response to the video adjustment control instruction, video playing control information matched with the target video segment, where the video playing control information includes: account attribute information of a target user account for logging in the playing client and historical operation information corresponding to the target video clip; a determining unit, configured to determine, according to the video playing control information, that the playing rate of the target video segment is a target playing rate; and the control unit is used for controlling the playing speed of the target video clip to be adjusted to the target playing speed.
According to an aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, in which a computer program is stored, wherein the computer program is configured to execute the above video playback control method when running.
According to an aspect of the embodiments of the present invention, there is also provided an electronic apparatus, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the video playback control method through the computer program.
In the embodiment of the invention, after the video adjustment control instruction of the target video clip played by the playing client is obtained, the video playing control information matched with the target video clip is obtained in response to the video adjustment control instruction. Wherein the video playing control information includes: and the account attribute information is used for logging in the account number of the target user of the playing client and the historical operation information corresponding to the target video clip. Further, the playing speed of the target video clip is determined as the target playing speed according to the video playing control information, and the playing speed of the target video clip is controlled to be adjusted to the target playing speed. That is to say, in the process of playing the target video clip in the playing client, the account attribute information of the target user account used for logging in the playing client and the historical operation information corresponding to the target video clip are combined to automatically adjust the playing speed of the target video clip to the target playing speed, instead of manually adjusting the playing speed to a single playing speed, so that the purpose of simplifying the video playing control operation is achieved, and the problem of higher complexity of the video playing control operation in the related technology is solved. Furthermore, by combining the video playing control information, the playing speed of the target video clip can be flexibly adjusted to different playing speeds instead of a fixed playing speed, so that the effect of improving the flexibility of video playing control is achieved, and the target user account is prevented from missing wonderful content in the video.
Drawings
The accompanying drawings, which are included to provide an alternative understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic diagram of a network environment of an alternative video playback control method according to an embodiment of the present invention;
fig. 2 is a flow chart of an alternative video play control method according to an embodiment of the present invention;
fig. 3 is a flow chart of an alternative video play control method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an alternative video playback control method according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an alternative video playback control method according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an alternative video play control method according to an embodiment of the present invention;
fig. 7 is a schematic diagram of an alternative video play control method according to an embodiment of the present invention;
fig. 8 is a schematic diagram of an alternative video playback control method according to an embodiment of the present invention;
fig. 9 is a schematic diagram of an alternative video playback control method according to an embodiment of the present invention;
fig. 10 is a schematic diagram of an alternative video playback control method according to an embodiment of the present invention;
fig. 11 is a schematic diagram of an alternative video play control method according to an embodiment of the present invention;
fig. 12 is a schematic diagram of an alternative video playback control method according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of an alternative video playback control apparatus according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of an alternative electronic device according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an aspect of the embodiments of the present invention, a video playing control method is provided, and optionally, as an optional implementation manner, the video playing control method may be, but is not limited to, applied to a video playing control system in a network environment as shown in fig. 1. The video playing control system may include, but is not limited to: terminal device 102, network 104, server 106. The terminal device 102 runs a playing client that logs in a target user account (e.g., ID-1). The terminal 102 includes a human interaction screen 1022, a processor 1024, and a memory 1026. The man-machine interaction screen 1022 is configured to present a target video clip played in the playing client, and is further configured to provide a man-machine interaction interface to receive a man-machine interaction operation performed on the man-machine interaction interface, so as to trigger a video adjustment control instruction (for example, clicking an "intelligent double speed", triggering a playing rate adjustment control instruction); the processor 1024 is configured to send the video adjustment control instruction to the server 106, and control to adjust the playing rate of the target video segment to the target playing rate when the playing rate of the target video segment returned by the server 106 is the target playing rate. The memory 1026 is configured to store the target video clip and account attribute information of the target user account.
In addition, the server 106 includes a database 1062 and a processing engine 1064, where the database 1062 is used to store video playing control information matched with the target video segment and a mapping relationship between the video playing control information and a video playing rate; the processing engine 1064 is configured to determine, according to the mapping relationship, a target playing rate that is matched with the video playing control information corresponding to the current target user account.
The specific process comprises the following steps: in steps S102-S112, a video adjustment control instruction for adjusting the target video segment is obtained through the man-machine interaction screen 1022 in the terminal device 102, and the video adjustment control instruction is sent to the server 106 through the network 104. The processing engine 1064 in the server 106 calls the database 1062 to obtain the video playing control information matched with the target video clip, and determines the playing rate of the target video clip to be the target playing rate according to the video playing control information. The server 106 will then send the target play rate to the terminal device 102 via the network 104. The processor 1024 in the terminal device 102 will control to adjust the playing rate of the target video segment to the target playing rate, so that the target video segment can be played at the adjusted target playing rate in the playing process.
It should be noted that, in this embodiment, after a video adjustment control instruction for a target video segment played by a playing client is obtained, video playing control information matched with the target video segment is obtained in response to the video adjustment control instruction. Wherein, the video playing control information includes: and the account attribute information is used for logging in the account number of the target user of the playing client and the historical operation information corresponding to the target video clip. Optionally, determining the playing rate of the target video segment as a target playing rate according to the video playing control information, and controlling to adjust the playing rate of the target video segment to the target playing rate. That is to say, in the process of playing the target video segment in the playing client, the account attribute information of the target user account used for logging in the playing client and the historical operation information corresponding to the target video segment are combined to automatically adjust the playing rate of the target video segment to the target playing rate, instead of manually adjusting the playing rate to a single playing rate, so as to achieve the purpose of simplifying the video playing control operation, and further overcome the problem of higher complexity of the video playing control operation in the related technology. Optionally, in combination with the video playing control information, the playing speed of the target video clip can be flexibly adjusted to different playing speeds instead of a fixed playing speed, so that the effect of improving the flexibility of video playing control is achieved, and the target user account is prevented from missing wonderful content in the video.
In addition, in this embodiment, the video playing control method may also be implemented independently in the terminal device 102, and steps S106-S108 executed by the server 106 shown in fig. 1 may also be executed in a processor (not shown in the figure) of the terminal device 102, which is not limited in this embodiment.
Optionally, in this embodiment, the terminal device may be, but not limited to, a mobile phone, a tablet computer, a notebook computer, a PC, and other terminal devices that support running of the application client. The server and the terminal device may implement data interaction through a network, which may include but is not limited to a wireless network or a wired network. Wherein, this wireless network includes: bluetooth, WIFI, and other networks that enable wireless communication. Such wired networks may include, but are not limited to: wide area networks, metropolitan area networks, and local area networks. The above is merely an example, and this is not limited in this embodiment.
Optionally, as an optional implementation manner, as shown in fig. 2, the video playing control method includes:
s202, acquiring a video adjustment control instruction for a target video clip played by a playing client, wherein the video adjustment control instruction is used for indicating the adjustment of the video playing speed of the target video clip;
s204, responding to the video adjustment control instruction, and acquiring video playing control information matched with the target video clip, wherein the video playing control information comprises: the account attribute information of a target user account used for logging in a playing client and historical operation information corresponding to a target video clip;
s206, determining the playing speed of the target video clip as the target playing speed according to the video playing control information;
and S208, controlling to adjust the playing speed of the target video clip to the target playing speed.
Optionally, in this embodiment, the video playing control method may be, but is not limited to, used for controlling and adjusting the playing rate of the video. The video may be, but is not limited to, at least one video clip in the video file, and the playing duration of the video clip may be, but is not limited to, set to different values according to an actual application scene. By adjusting and controlling the playing rate of the divided video clips, the flexibility of video playing control is ensured, and users are prevented from omitting wonderful contents in the watching process. In addition, the current playing speed of the video clip is automatically determined by combining the video playing control information matched with the video clip, such as account attribute information of a user account for watching the video clip and historical operation information corresponding to the video clip, and the user does not need to manually adjust the single and fixed playing speed, so that the aim of simplifying the video playing control operation is fulfilled.
Optionally, in this embodiment, the account attribute information of the target user account may include but is not limited to: and historical play records of the target user account. Here, the history play record may include: and the target user account plays the video or video clip which belongs to the same video type as the target video clip. Optionally, after the history play record is obtained, a reference play rate (hereinafter, also referred to as a reference play rate) to be referred to when the play rate of the target video segment is adjusted is obtained by performing big data analysis on the play rates of videos or video segments of the same video type that have been played.
Optionally, in this embodiment, the historical operation information corresponding to the target video segment may include, but is not limited to: operation information of an evaluation operation performed on the content of the target video clip, and operation information of a progress adjustment operation performed on the target video clip. Wherein, the above evaluation operation may include but is not limited to at least one of the following: the method comprises the following steps of performing operation on a control key for evaluating the target video clip, inputting evaluation information of the target video clip through an editing area, and sharing the target video clip. The schedule adjustment operation may include, but is not limited to, at least one of: the method comprises the steps of performing dragging operation on a playing picture of a target video clip, performing selecting operation on a target progress position on a playing progress bar of the target video clip, and performing operation on a control key for adjusting the playing progress of the target video clip. Optionally, after the historical operation information of the target video segment is acquired, the evaluation coefficient for the content of the target video segment and the fineness matched with the content of the target video segment can be obtained through big data analysis.
In addition, in this embodiment, the manner of acquiring the video adjustment control instruction may include, but is not limited to: acquiring a trigger operation executed on a play rate adjustment key presented in a play client; and responding to the trigger operation to generate the video adjusting control instruction. Wherein, the triggering operation may include but is not limited to: click operation, slide operation, voice operation, and the like. The presentation mode of the play rate adjustment key may be, but is not limited to: the method is directly displayed on an operation panel of a playing client, a floating layer triggered and displayed after the click operation is detected to be performed on the playing picture of the target video clip, and the like. The above is merely an example, and this is not limited in this embodiment.
Optionally, in this embodiment, after controlling to adjust the play rate of the target video segment to the target play rate, the following play control manner may be further included:
1) Under the condition that the playing speed of the next video clip behind the target video clip is different from the target playing speed, controlling the target video clip to be played according to the target playing speed within a first playing time period; controlling the target video clip to play within a second playing time period according to a transitional playing rate, wherein the starting playing time of the second playing time period is the ending playing time of the first playing time period, the ending playing time of the second playing time period is the ending playing time of the target playing clip, and the transitional playing rate is determined according to the target playing rate and the playing rate of the next video clip behind the target video clip; and controlling the next video clip behind the target video clip to play at a transition playing speed within a third playing time period, wherein the playing time of the third playing time period is the same as the playing time of the second playing time period. That is, in the next video segment of the current target video segment kernel, transition is performed for a certain period of time according to the transition playing rate. Therefore, adjacent video clips can realize gradual change control of the playing speed, and the watching influence of sudden change on a user is avoided.
2) Under the condition that the playing speed of the next video clip behind the target video clip is different from the target playing speed, controlling the target video clip to play according to the target playing speed; and controlling the next video segment behind the target video segment to be played at a transitional playing rate in a fourth playing time period, wherein the transitional playing rate is determined according to the target playing rate and the playing rate of the next video segment behind the target video segment. That is to say, the transition gradual change process of the playing rate can be completed in the target video segment, so as to ensure that smooth transition playing can be realized between the video segments.
Specifically, the following steps S302 to S310 shown in fig. 3 are described:
after acquiring the video playing control command triggered in the playing client in step S302, account attribute information of a target user account for logging in the playing client is acquired, and a reference playing rate of the target user account is acquired according to the account attribute information in step S304. Obtaining historical operation information corresponding to a target video clip played in the playing client, obtaining an evaluation coefficient for evaluating the content of the target video clip according to operation information of evaluation operation in the historical operation information, and obtaining the fineness matched with the content of the target video clip according to operation information of progress adjustment operation in the historical operation information, as in step S306. Then, in step S308, the target playing rate of the target video segment is determined according to the reference playing rate, the evaluation coefficient and the chroma. In step S310, the target video segment is played according to the target playing rate.
According to the embodiment provided by the application, after the video adjustment control instruction of the target video clip played by the playing client is obtained, the video adjustment control instruction is responded, and the video playing control information matched with the target video clip is obtained. Wherein the video playing control information includes: the account attribute information of the target user account used for logging in the playing client and the historical operation information corresponding to the target video clip. Optionally, the playing rate of the target video segment is determined as the target playing rate according to the video playing control information, and the playing rate of the target video segment is controlled to be adjusted to the target playing rate. That is to say, in the process of playing the target video clip in the playing client, the account attribute information of the target user account used for logging in the playing client and the historical operation information corresponding to the target video clip are combined to automatically adjust the playing speed of the target video clip to the target playing speed, instead of manually adjusting the playing speed to a single playing speed, so that the purpose of simplifying the video playing control operation is achieved, and the problem of higher complexity of the video playing control operation in the related technology is solved. Optionally, in combination with the video playing control information, the playing rate of the target video clip can be flexibly adjusted to different playing rates instead of a fixed playing rate, so that an effect of improving flexibility of video playing control is achieved, and a target user account is prevented from missing wonderful content in a video.
As an optional scheme, determining the play rate of the target video segment as the target play rate according to the video play control information includes:
s1, determining a reference playing rate of a target video clip played by a target user account in a playing client according to account attribute information of the target user account;
s2, obtaining an evaluation coefficient for evaluating the content of the target video clip and the chroma matched with the content of the target video clip according to the historical operation information corresponding to the target video clip;
and S3, carrying out weighted summation on the reference playing rate, the evaluation coefficient and the wonderness to obtain the target playing rate.
It should be noted that, in this embodiment, there is no limitation on the obtaining timing sequence for obtaining the evaluation coefficient and the sharpness corresponding to the target video segment according to the historical operation information, that is, the evaluation coefficient may be obtained according to the operation information of the evaluation operation in the historical operation information, and then the sharpness may be obtained according to the operation information of the progress adjustment operation in the historical operation information; or the accuracy can be obtained according to the operation information of the progress adjustment operation in the historical operation information, and then the evaluation coefficient can be obtained according to the operation information of the evaluation operation in the historical operation information.
The evaluation coefficient may be, but is not limited to, operation information of different types of evaluation operations executed by different user accounts that have played the target video segment, and is obtained by inputting an emotion recognition model. The emotion recognition model may be, but is not limited to, a neural network model that is machine-trained using operation information of a plurality of sample evaluation operations. The neural network model may be constructed based on a Long Short-Term Memory (LSTM) network or a Bidirectional encoding from transforms (BERT) network structure. In addition, before inputting the emotion recognition model, the operation information of each evaluation operation may further include, but is not limited to: the word segmentation process may be, but not limited to, a process of segmenting and recombining continuous word sequences in the operation information that has been converted into a text format according to a certain specification. The vector conversion process here may be, but is not limited to, done using a correlation model for generating Word vectors, such as the Word2vec model. For example, under the assumption of the bag of words model in the Word2vec model, the order of words is unimportant, and after training is completed, mapping each Word to a Word vector based on the Word2vec model can be implemented for indicating the mapping relationship between words. The above is merely an example, and this is not limited in this embodiment.
In addition, the above-mentioned brightness may be, but is not limited to, used for indicating the attraction degree of the video segment to the user, such as when a large number of users perform a skip operation or a fast forward operation on the video segment, it indicates that the brightness of the video segment is low. The above-mentioned fineness may be determined according to, but not limited to, operation information of the progress adjustment operation performed on the video clip. For example, a progress adjustment interval of each progress adjustment operation is obtained, and the wonderness of the target video clip is determined according to an intersection of the progress adjustment interval and the original playing time of the video clip and an adjustment direction of the progress adjustment operation. The above is merely an example, and this is not limited in this embodiment.
The description is made with specific reference to the following examples:
suppose that the target video segment played in the playing client is the ith video segment T in the video i Determining T according to the above description i The formula for the playback rate of a clip may be as follows:
rate i ＝dr i +p i ×s i +(1-q i ) (1)
wherein dr is i For representing T i The reference playing speed of the segment ranges from 1.0 to 2.0.s i For indicating for evaluation T i The evaluation coefficient of the content of the segment ranges from-1.0 to 1.0, wherein 1.0 represents that the user like the segment is high, and-1.0 represents that the user is not interested in the segment. p is a radical of i For indicating the above-mentioned T i The adjustment factor for matching the evaluation coefficient of the segment is used to control the weight ratio of the evaluation coefficient to the playback rate calculation, and the value can be determined empirically. q. q.s i For representing the T i The segment highlights, ranging from 0 to 1.0,0, indicate that substantially all users fast forward or skip T i Segment, 1.0 indicates that the user did not fast forward or skip the T i Fragments, or looks back at the T i And (3) fragment.
According to the embodiment provided by the application, the reference playing speed of the target video clip is determined according to the account attribute information of the target user account, the evaluation coefficient for evaluating the content of the target video clip and the fineness matched with the content of the target video clip are obtained according to the historical operation information corresponding to the target video clip, so that the target playing speed corresponding to the target video clip is automatically determined by combining the reference playing speed, the evaluation coefficient and the fineness, and the complexity of the video playing control and adjustment operation is simplified.
As an optional scheme, obtaining an evaluation coefficient for evaluating the content of the target video segment according to the historical operation information corresponding to the target video segment, and the wonderness matched with the content of the target video segment includes:
s1, acquiring operation information of evaluation operation performed on a target video clip from historical operation information, and determining an evaluation coefficient according to the operation information of the evaluation operation;
and S2, acquiring operation information of progress adjustment operation executed on the target video clip from the historical operation information, and determining the accuracy according to the operation information of the progress adjustment operation.
Optionally, in this embodiment, the operation information for obtaining the evaluation operation performed on the target video segment from the historical operation information includes at least one of:
1) The method comprises the steps of obtaining operation information of a first type of evaluation operation performed on a target video clip, wherein the first type of evaluation operation is an operation performed on a control key for evaluating the target video clip.
For example, as shown in fig. 4, a control key, such as a corresponding icon of "like" or "step" may be displayed on the operation interface of the playing client. Specifically, after the click operation is performed on the "like" icon, positive evaluation of "like" is triggered on the target video clip, and after the click operation is performed on the "step" icon, negative evaluation of "step" is triggered on the target video clip. Optionally, the corresponding evaluation information is taken as the operation information of the evaluation operation.
2) And acquiring operation information of a second type of evaluation operation performed on the target video segment, wherein the second type of evaluation operation is an operation of inputting evaluation information of the target video segment through the editing area.
For example, as shown in fig. 5, evaluation information such as input comments: positive evaluation of "this emotional-truth bar", or input comment: negative assessment that "the plot was too rotten". Optionally, the corresponding evaluation information is taken as the operation information of the evaluation operation.
For another example, as shown in fig. 6, after the bullet screen switch 602 in the operation interface of the playback client is opened, bullet screen information may be input in the editing area displayed on the operation interface of the playback client. As shown in fig. 6, the acquired bullet screen information of the currently played video segment includes: "this is very dramatic! "," the feelings of the figures are rich, and "two brushes-" are used.
3) And acquiring operation information of a third type of evaluation operation executed on the target video clip, wherein the third type of evaluation operation is an operation of sharing the target video clip.
For example, as shown in fig. 7, after clicking the share button 702 in the upper right corner of the playing client, the video clip or the video where the video clip is located will be shared to other user accounts or other shared community spaces. The sharing operation represents that the target user account used for logging in the playing client is interested in the video clip or the video, so that the video clip or the video is shared.
Optionally, in this embodiment, the operation information of the progress adjustment operation performed on the target video segment, which is obtained from the historical operation information, includes at least one of:
1) The method comprises the steps of obtaining operation information of a first type of progress adjustment operation executed on a target video clip, wherein the first type of progress adjustment operation is a sliding operation executed on a playing picture of the target video clip.
For example, assume that a human-machine interaction interface of the playback client is used for detecting a touch screen operation of a user. Specifically, after the touch screen operation is detected, if it is further detected that the right sliding operation is performed on the playing picture, it may be determined that a progress adjustment operation of "fast forward" is performed on the target video clip, which indicates that the currently played content is not interested; after the touch screen operation is detected, if it is further detected that the left sliding operation is performed on the playing picture, it may be determined that a progress adjustment operation of "review" is performed on the target video clip, which indicates that the currently played content is interested. As shown in fig. 8, after detecting the progress adjustment operation of "fast forward" sliding to the right, it indicates that the current user account is not interested in the content in the target video segment, and further it can be known that the current content in the target video segment may be low in highlights.
2) And acquiring operation information of a second type of progress adjustment operation performed on the target video clip, wherein the second type of progress adjustment operation is a selected operation performed on a target progress position on a playing progress bar of the target video clip.
For example, assume that a human-computer interaction interface of a playing client is used to detect a touch screen operation of a user, where at least one key progress position is set on a playing progress bar of a video played in the playing client, and 5 key progress positions are set in the video shown in fig. 9. Specifically, assuming that the video has not been played to the key progress position 902 shown in fig. 9, but a click operation is detected to be performed on the key progress position 902 on the play progress bar, it is determined that a progress adjustment operation of "fast forward" is performed on the target video clip, indicating that the currently played content is not of interest. It is further known that the current content in the target video segment may be less wonderful. However, in the case that the video has already played the content after the key progress position 902 shown in fig. 9, but it is detected that the click operation is performed on the key progress position 902 on the playing progress bar, it may be determined that the progress adjustment operation of "review" is performed on the target video clip, which indicates that the currently played content is interested, and it may further be known that the current content in the target video clip may be high in highlight.
3) And acquiring operation information of a third type of progress adjustment operation performed on the target video clip, wherein the third type of progress adjustment operation is an operation performed on a control key for adjusting the playing progress of the target video clip.
For example, as shown in fig. 10, a control key such as a "fast forward key" 1002 or a "rewind key" 1004 may be displayed on the operation interface of the playback client. Specifically, it is assumed that after the click operation is performed on the "fast forward key" 1002, it is determined that the progress adjustment operation of "fast forward" is performed on the target video segment, indicating that the currently played content is not of interest. It is further known that the current content in the target video segment may be less wonderful. And, assuming that after the click operation is performed on the "back key" 1004, it can be determined that the progress adjustment operation of "review" is performed on the target video segment, indicating that the currently played content is of interest. It can be further appreciated that the current content in the target video segment may be highly wonderful.
According to the embodiment provided by the application, the evaluation coefficient of objective evaluation of the target video clip is obtained through analysis and statistics by acquiring the operation information of various evaluation operations on the target video clip, and the accuracy of the target video clip is obtained through analysis and statistics by acquiring the operation information of various progress adjustment operations on the target video clip, so that the target playing speed to which the target video clip is adjusted can be accurately and objectively determined by combining the evaluation coefficient and the accuracy, and the video clip can be flexibly and intelligently controlled.
As an alternative, determining the evaluation coefficient according to the operation information of the evaluation operation includes:
s1, inputting operation information of each evaluation operation into an emotion recognition model to obtain an evaluation sub-coefficient, wherein the emotion recognition model is a neural network model for performing machine training by using the operation information of a plurality of sample evaluation operations, and the evaluation sub-coefficient is used for indicating the interest degree of a user account on a video clip;
s2, counting the number of the evaluation subsystems to obtain an evaluation coefficient.
In this embodiment, the emotion recognition model may be, but is not limited to, a neural network model constructed based on a network structure such as a Long Short-Term Memory (LSTM) network or a Bidirectional encoding from Transformers (BERT). After the operation information of the evaluation operation is input into the emotion recognition model, emotion analysis can be carried out on the watching experience of the user, and whether the evaluation of the played video clip is positive evaluation or negative evaluation can be determined through the output result of the emotion recognition model. For example, the emotion recognition model will indicate the user's rating information by a score in the output result.
The description is made with specific reference to the following examples:
after the operation information of each evaluation operation is obtained, the operation information may be converted into text information, and the text information may be input into a model and converted into a word vector. Optionally, the obtained word vector is input into the trained emotion recognition model, so as to realize emotion analysis on the user watching the video clip. The operation information of the ith evaluation operation is assumed to be the released bullet screen information. After the word vector corresponding to the barrage information is obtained, the word vector is input into an emotion recognition model, and finally, an emotion analysis score corresponding to the barrage information is obtained, and the value of the emotion analysis score is 0-1.0. For example, the score of the barrage information "seemingly endless" is 0.989965, which is used for indicating that the user is interested in the currently played content; the score of the barrage information "lady two is simply a redundant character" is 0.137461, which is used for indicating that the user is interested in the currently played content.
Assuming that the operation information of the ith evaluation operation of the target video clip obtains a score v through the analysis of the emotion recognition model i (also referred to as an evaluation sub-coefficient), the formula for analyzing the operation information of all evaluation operations on the target video segment to obtain the evaluation coefficient corresponding to the target video segment may be as follows:
Figure BDA0002271960960000151
where n denotes the number of operations of the evaluation operation performed on the target video segment. The above formula is merely an example, and the numerical weight involved therein is not limited in any way in the present embodiment.
According to the embodiment provided by the application, the emotion recognition model obtained after machine training is utilized to carry out emotion analysis on the operation information of each evaluation operation to obtain the evaluation sub-coefficient. Optionally, statistical calculation is performed on the evaluation sub-coefficient obtained from the operation information of each evaluation operation performed on the target video segment, so as to accurately obtain the evaluation coefficient for evaluating the content of the target video segment, thereby ensuring that the target play rate of the target video segment can be accurately determined.
As an optional scheme, before inputting the operation information of each evaluation operation into the emotion recognition model to obtain the number of evaluation subsystems, the method further comprises the following steps:
s1, acquiring operation information of a plurality of sample evaluation operations, and taking the operation information of each sample evaluation operation as the operation information of the current sample evaluation operation to execute the following operations:
s2, converting the operation information of the current sample evaluation operation into text evaluation information;
s3, performing word segmentation processing and vector conversion processing on the text evaluation information to obtain a current sample evaluation vector;
and S4, inputting the current sample evaluation vector and the current sample label matched with the operation information of the current sample evaluation operation into the initial emotion recognition model for machine training to obtain the emotion recognition model.
Alternatively, in the present embodiment, after converting the operation information of the evaluation operation into text evaluation information, the text evaluation information may be subjected to word segmentation processing and vector conversion processing. Here, the word segmentation process may include, but is not limited to: and removing irrelevant information such as punctuations, stop words and the like, and then calling a word segmentation tool trained by the corpus to execute word segmentation processing. Further, here the vector conversion process may include, but is not limited to: and performing Word segmentation processing on the text evaluation information to obtain a Word sequence, and then processing the Word sequence by using a Word2vec model to obtain a Word vector. For example, taking the bullet screen information as an example, assume that each word after the bullet screen information word segmentation processing is mapped to an N-dimensional word vector. And filling the whole bullet screen information into a vector consisting of M word vectors, wherein the part with the length less than the length is completely set to zero. And finally converting the bullet screen into M x N word vectors. The values of M and N may be set to different values according to an actual scene, but not limited to.
Optionally, in this embodiment, after the sample evaluation vector corresponding to each sample evaluation operation is obtained in the manner described above, the evaluation vector and the corresponding sample label are input into the initial emotion recognition model to implement training of the initial emotion recognition model until the model converges, so as to obtain an emotion recognition model finally applied to an actual scene. It should be noted that, the training process of the emotion recognition model here may be, but is not limited to, a training technique of a reference related neural network model, for example, sample evaluation vectors are sequentially input to the initial emotion recognition model to obtain a recognition result; and further comparing the identification result with the sample label to adjust parameters in the model according to the comparison result, and repeating the process until the model converges.
For example, as shown in fig. 11, operation information of the evaluation operation is input as step S1102, and a word sequence is obtained after the word segmentation processing by step S1104. The Word vector is then obtained as provided in step S1106 by the model (e.g., word2vec model). If the characteristics of each word in the word sequence are extracted, the word vector is obtained through the processing of the convolution layer, the characteristic aggregation layer and the full connection layer. Then, the word vector is input into the emotion recognition model to obtain the corresponding evaluation sub-coefficient, in step S1108.
According to the embodiment provided by the application, the operation information of each evaluation operation is learned by using the neural network model to determine each evaluation sub-coefficient of the target video segment, and the evaluation coefficient corresponding to the target video segment is determined based on the evaluation sub-coefficients. Therefore, the evaluation information of the user playing the target video clip on the target video clip can be objectively and accurately determined through big data analysis, and the playing speed of the video clip can be automatically and flexibly controlled and adjusted based on the evaluation information.
As an optional scheme, the determining the wonderness according to the operation information of the progress adjustment operation includes:
s1, acquiring a progress adjustment interval of each progress adjustment operation;
s2, acquiring an intersection of the progress adjustment interval and the original playing time of the target video clip and the adjustment direction of the progress adjustment operation;
and S3, determining the fineness according to the intersection and the adjustment direction obtained after each progress adjustment operation.
It should be noted that the above-mentioned saturation is used to indicate the popularity of the target video segment for the user. For example, the more interesting the user is, the higher the popularity is, the higher the corresponding wonderful degree is, and conversely, the less interesting the user is, the lower the popularity is, the lower the corresponding wonderful degree is. The highlight may be determined based on, but not limited to, operation information of the progress adjustment operation, and if the progress adjustment operation is a fast forward operation or a skip operation performed on the video segment, it indicates that the highlight of the video segment is low; and if the progress adjustment operation is a review operation on the video clip, the highlight of the video clip is high.
The description is made with specific reference to the following examples:
suppose that the target video segment played in the playing client is the ith video segment T in the video i Determining T according to the above description i Segment wonderness q i The formula of (c) can be as follows:
Figure BDA0002271960960000181
wherein p is i Is T i The specific value of the adjustment factor of the segment can be determined according to the actual scene. b i The value is used to indicate the adjustment direction of the progress adjustment operation, e.g. the progress adjustment is backward (e.g. fast) with "1"Further), "-1" indicates that the progress is adjusted forward (e.g., looking back). x is the number of j Indicating that the jth user is at T i And (4) the intersection proportion of progress changes under the fragments is represented by '0' if no intersection exists. m represents the total number of users viewing the target video clip. Here, the progress change intersection ratio is used to indicate an intersection of the progress adjustment interval and the original playing time of the target video clip.
For example, suppose T i The clip is a video clip from 120s to 150s of video, and the original playing time is 150-120=30s. If the fast forwarding is carried out for 10s at the position of 130s, the progress adjustment interval is 130s to 140s, and the corresponding progress change intersection ratio is 10/(150-120) =1/3. Further, in conjunction with this adjustment direction (e.g., looking back), T can be determined i The progress adjustment operation of the clip can be represented by the following way: -1/3.
And finally, obtaining the wonderful degree matched with the video clip by statistically analyzing the progress change intersection proportion of all progress adjustment operations on the target video clip.
Through the embodiment provided by the application, the intersection and the adjustment direction of the progress adjustment interval of each progress adjustment operation and the original playing time of the target video clip are subjected to big data analysis to obtain the fineness matched with the target video clip. Therefore, the progress adjustment behavior of the user on the target video clip is analyzed through the big data to determine the wonderness of the target video clip, and the playing speed of the video clip is automatically and flexibly controlled and adjusted based on the wonderness.
As an optional scheme, determining, according to account attribute information of a target user account, a reference playback rate at which the target user account plays a target video segment in a playback client includes:
s1, acquiring a historical play record of a target user account according to account attribute information of the target user account;
s2, determining a played video clip which belongs to the same video type as the target video clip from the historical playing record;
s3, acquiring the playing speed of the played video clip;
and S4, determining a reference playing speed according to the playing speed of the played video clip.
It should be noted that different users have different receptions to different playing rates, and the playing rates of different types of videos are also different. If the playing speed of the action piece is generally lower, the playing speed of the recording piece can be higher.
Optionally, in this embodiment, played video segments that belong to the same video type as the target video segment are obtained based on the historical play record of the target user account, and a reference play rate (which may also be referred to as a reference play rate) corresponding to the target video segment is determined based on the play rates of the played video segments. For example, in the present example, an average value of the play rates of the respective played video clips of the same type as described above may be calculated as the reference play rate. Here, this is merely an example, and the manner of obtaining the reference playback rate is not limited in this embodiment.
By the embodiment provided by the application, after the played video clip belonging to the same video type as the target video clip is acquired from the historical play record of the target user account, the reference play rate required by the target video clip can be determined based on the play rate of the played video clip. Therefore, the target playing speed corresponding to the target video clip is determined by referring to the playing speed of the target user account for watching the same type of video clip, so that the target playing speed is more suitable for the watching habit of the user using the target user account, and the playing effect is ensured.
As an optional scheme, the obtaining a video adjustment control instruction for a target video segment played by a playing client includes:
s1, acquiring a trigger operation executed on a play rate adjusting key presented in a play client;
and S2, responding to the trigger operation, and generating a video adjustment control instruction.
Specifically, the description will be made with reference to fig. 12: as shown in fig. 12 (a), a click operation performed on a "double speed" button presented in the playback client is acquired, and in response to the click operation, a playback speed selection interface is further presented. As shown in fig. 12 (b), after the "smart double speed" key is selected in the play rate selection interface, a video adjustment control instruction for intelligently adjusting the play rate of the target video segment is triggered to be generated.
According to the embodiment provided by the application, the method for intelligently adjusting the playing speed of the video clip can be quickly accessed according to the video adjustment control instruction by triggering and generating the video adjustment control instruction through executing the man-machine interaction operation with the control key presented in the playing client.
As an optional scheme, after controlling to adjust the play rate of the target video segment to the target play rate, the method further includes:
s1, under the condition that the playing rate of the next video clip behind a target video clip is different from the target playing rate, controlling the target video clip to play according to the target playing rate within a first playing time period;
s2, controlling the target video clip to play within a second playing time period according to a transitional playing rate, wherein the starting playing time of the second playing time period is the ending playing time of the first playing time period, the ending playing time of the second playing time period is the ending playing time of the target playing clip, and the transitional playing rate is determined according to the target playing rate and the playing rate of the next video clip behind the target video clip;
and S3, controlling the next video segment behind the target video segment to be played in a third playing time period according to the transition playing rate, wherein the playing time length of the third playing time period is the same as the playing time length of the second playing time period.
It should be noted that, when the play rates of two adjacent video segments are different, in order to prevent the play jump phenomenon caused by different play rates when the different video segments are switched to play, a play mode according to a transition play rate is provided in this embodiment to implement the play gradual change control. Here, the transition play rate may include, but is not limited to: the target playback rate of the target video segment and the playback rate of the next video segment. This is merely an example, and the determination method of the transition play rate is not limited in this embodiment.
For example, assume a target video segment (e.g., T) i Segment) is a 120s to 150s video segment in the video, and the next video segment (e.g., T) after the target video segment i+1 Segment) is a 150s to 180s video segment in the video. Further assume that a target video segment (e.g., T) is determined i Segment) has a target playback rate of 1.5x and a next video segment (e.g., T) following the target video segment i+1 Clip) has a play rate of 2.5x.
To avoid the jumping phenomenon when two video clips are switched to play, the target video clip (such as T) can be controlled i Segment) is played at a target playing rate of 1.5x within 120s to 145s, and at a transitional playing rate of (1.5x + 2.5x)/2 =2.0x within 145s to 150 s; and controls the next video segment (e.g., T) i+1 Clip) is played at the transition playing rate of (1.5x + 2.5x)/2 =2.0x from 150s to 155s, and at the target playing rate of 2.5x from 155s to 180 s.
Through the embodiment provided by the application, the transition playing speed is set between the two adjacent video clips, so that the play jumping phenomenon occurring when the video clips are switched is avoided, and the effects of seamless switching and smooth transition playing of the video clips can be controlled.
As an optional scheme, after controlling to adjust the play rate of the target video segment to the target play rate, the method further includes:
s1, under the condition that the playing rate of the next video clip behind the target video clip is different from the target playing rate, controlling the target video clip to play according to the target playing rate;
and S2, controlling the next video segment behind the target video segment to be played in a fourth playing time period according to a transitional playing speed, wherein the transitional playing speed is determined according to the target playing speed and the playing speed of the next video segment behind the target video segment.
For example, the description is made by taking the above-described assumed example as an example. Determining a target video segment (e.g., T) i Segment) has a target playback rate of 1.5x and a next video segment (e.g., T) following the target video segment i+1 Clip) has a play rate of 2.5x.
To avoid the jumping phenomenon when two video clips are switched to play, the target video clip (such as T) can be controlled i Segment) is played within 120s to 150s according to the target playing speed of 1.5 x; and controls the next video segment (e.g., T) i+1 Clip) is played at the transition playing rate of (1.5x + 2.5x)/2 =2.0x from 150s to 160s, and at the target playing rate of 2.5x from 160s to 180 s.
Through the embodiment provided by the application, the transition playing speed is set between the two adjacent video clips, so that the phenomenon of playing jump when the video clips are switched is avoided, and the effects of seamless switching and smooth transition playing of the video clips can be controlled.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
According to another aspect of the embodiment of the present invention, there is also provided a video playing control apparatus for implementing the video playing control method. As shown in fig. 13, the apparatus includes:
1) A first obtaining unit 1302, configured to obtain a video adjustment control instruction for a target video segment played by a playing client, where the video adjustment control instruction is used to instruct to adjust a video playing rate of the target video segment;
2) A second obtaining unit 1304, configured to obtain, in response to the video adjustment control instruction, video playing control information matched with the target video segment, where the video playing control information includes: the account attribute information of a target user account used for logging in a playing client and historical operation information corresponding to a target video clip;
3) A determining unit 1306, configured to determine, according to the video playing control information, that the playing rate of the target video segment is a target playing rate;
4) A control unit 1308, configured to control adjusting the playing rate of the target video segment to the target playing rate.
Optionally, in this embodiment, the video playing control method may be, but is not limited to, used for controlling and adjusting the playing rate of the video. The video may be, but is not limited to, at least one video clip in the video file, and the playing duration of the video clip may be, but is not limited to, set to different values according to an actual application scene. By adjusting and controlling the playing rate of the divided video clips, the flexibility of video playing control is ensured, and users are prevented from omitting wonderful contents in the watching process. In addition, the current playing speed of the video clip is automatically determined by combining the video playing control information matched with the video clip, such as account attribute information of a user account for watching the video clip and historical operation information corresponding to the video clip, and the user does not need to manually adjust the single and fixed playing speed, so that the aim of simplifying the video playing control operation is fulfilled.
Optionally, in this embodiment, the account attribute information of the target user account may include, but is not limited to: a history of play records for the target user account. Here, the history play record may include: and the target user account plays the video or video clip which belongs to the same video type as the target video clip. Optionally, after the history play record is obtained, a reference play rate (hereinafter, may also be referred to as a reference play rate) to be referred to when performing play rate adjustment on the target video segment is obtained by performing big data analysis on the play rates of videos or video segments of the same video type that have been played.
Optionally, in this embodiment, the historical operation information corresponding to the target video segment may include, but is not limited to: operation information of an evaluation operation performed on the content of the target video clip, and operation information of a progress adjustment operation performed on the target video clip. Wherein, the above evaluation operation may include but is not limited to at least one of the following: the video clip sharing method includes an operation performed on a control key for evaluating a target video clip, an operation of inputting evaluation information of the target video clip through an editing area, and an operation of sharing the target video clip. The schedule adjustment operation may include, but is not limited to, at least one of: the method comprises the following steps of performing dragging operation on a playing picture of a target video clip, performing selecting operation on a target progress position on a playing progress bar of the target video clip, and performing operation on a control key for adjusting the playing progress of the target video clip. Optionally, after the historical operation information of the target video segment is acquired, the evaluation coefficient for the content of the target video segment and the fineness matched with the content of the target video segment can be obtained through big data analysis.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an alternative, the determining unit 1306 includes:
1) The first determining module is used for determining the reference playing speed of the target user account playing the target video clip in the playing client according to the account attribute information of the target user account;
2) The first acquisition module is used for acquiring an evaluation coefficient for evaluating the content of the target video clip and the fineness matched with the content of the target video clip according to the historical operation information corresponding to the target video clip;
3) And the processing module is used for weighting and summing the reference playing rate, the evaluation coefficient and the wonderness to obtain the target playing rate.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an optional solution, the first obtaining module includes:
1) The first processing submodule is used for acquiring operation information of evaluation operation executed on the target video clip from the historical operation information and determining an evaluation coefficient according to the operation information of the evaluation operation;
2) And the second processing submodule is used for acquiring the operation information of the progress adjustment operation executed on the target video clip from the historical operation information and determining the fineness according to the operation information of the progress adjustment operation.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an optional scheme, the first processing sub-module obtains operation information of an evaluation operation performed on the target video segment from the historical operation information by at least one of:
1) Acquiring operation information of a first type of evaluation operation performed on a target video clip, wherein the first type of evaluation operation is an operation performed on a control key for evaluating the target video clip;
2) Acquiring operation information of a second type of evaluation operation performed on the target video clip, wherein the second type of evaluation operation is an operation of inputting evaluation information of the target video clip through the editing area;
3) And acquiring operation information of a third type of evaluation operation executed on the target video clip, wherein the third type of evaluation operation is an operation of sharing the target video clip.
The embodiment in this embodiment may refer to the method embodiment, but is not limited thereto.
As an alternative, the determining of the evaluation coefficient according to the operation information of the evaluation operation by the first processing sub-module is implemented by:
s1, inputting operation information of each evaluation operation into an emotion recognition model to obtain an evaluation sub-coefficient, wherein the emotion recognition model is a neural network model for machine training by using the operation information of a plurality of sample evaluation operations, and the evaluation sub-coefficient is used for indicating the interest degree of a user account on a video clip;
s2, counting the number of the evaluation subsystems to obtain an evaluation coefficient.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an optional scheme, the first processing sub-module further includes the following steps:
s1, before inputting the operation information of each evaluation operation into the emotion recognition model to obtain the number of evaluation subsystems, acquiring operation information of a plurality of sample evaluation operations, and taking the operation information of each sample evaluation operation as the operation information of the current sample evaluation operation to execute the following operations:
s2, converting the operation information of the current sample evaluation operation into text evaluation information;
s3, performing word segmentation processing and vector conversion processing on the text evaluation information to obtain a current sample evaluation vector;
and S4, inputting the current sample evaluation vector and the current sample label matched with the operation information of the current sample evaluation operation into the initial emotion recognition model for machine training to obtain the emotion recognition model.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an optional scheme, the second processing sub-module obtains operation information of the progress adjustment operation performed on the target video segment from the historical operation information by at least one of the following methods:
1) Acquiring operation information of a first type of progress adjustment operation performed on a target video clip, wherein the first type of progress adjustment operation is a sliding operation performed on a playing picture of the target video clip;
2) Acquiring operation information of a second type of progress adjustment operation performed on the target video clip, wherein the second type of progress adjustment operation is a selected operation performed on a target progress position on a playing progress bar of the target video clip;
3) And acquiring operation information of a third type of progress adjustment operation performed on the target video clip, wherein the third type of progress adjustment operation is an operation performed on a control key for adjusting the playing progress of the target video clip.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an optional scheme, the determining the wonderness according to the operation information of the progress adjustment operation by the second processing sub-module in the following manner includes:
s1, acquiring a progress adjustment interval of each progress adjustment operation;
s2, acquiring an intersection of the progress adjustment interval and the original playing time of the target video clip and the adjustment direction of the progress adjustment operation;
and S3, determining the fineness according to the intersection and the adjustment direction obtained after each progress adjustment operation.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an alternative, the first determining module includes:
1) The first obtaining submodule is used for obtaining the historical playing record of the target user account according to the account attribute information of the target user account;
2) The first determining submodule is used for determining a played video clip which belongs to the same video type as the target video clip from the historical playing record;
3) The second obtaining submodule is used for obtaining the playing speed of the played video clip;
4) And the second determining sub-module is used for determining the reference playing speed according to the playing speed of the played video clip.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an optional solution, the first obtaining unit includes:
1) The second acquisition module is used for acquiring the trigger operation executed on the playing rate adjusting key presented in the playing client;
2) And the generating module is used for responding to the triggering operation and generating a video adjusting control instruction.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
As an optional solution, the method further includes:
1) The first control unit is used for controlling the target video clip to be played according to the target playing speed within a first playing time period under the condition that the playing speed of the next video clip positioned behind the target video clip is different from the target playing speed after the playing speed of the target video clip is controlled to be adjusted to the target playing speed;
2) The second control unit is used for controlling the target video clip to be played within a second playing time period according to the transitional playing speed, wherein the starting playing time of the second playing time period is the ending playing time of the first playing time period, the ending playing time of the second playing time period is the ending playing time of the target playing clip, and the transitional playing speed is determined according to the target playing speed and the playing speed of the next video clip behind the target video clip;
3) And the third control unit is used for controlling the next video segment behind the target video segment to be played in a third playing time period according to the transition playing speed, wherein the playing time length of the third playing time period is the same as the playing time length of the second playing time period.
The embodiment in this embodiment may refer to the method embodiment, but is not limited thereto.
As an optional solution, the method further includes:
1) The fourth control unit is used for controlling the target video clip to play according to the target play rate under the condition that the play rate of the next video clip behind the target video clip is different from the target play rate after controlling the play rate of the target video clip to be adjusted to the target play rate;
2) And the fifth control unit is used for controlling the next video segment after the target video segment to be played in the fourth playing time period according to the transitional playing speed, wherein the transitional playing speed is determined according to the target playing speed and the playing speed of the next video segment after the target video segment.
The embodiments in this embodiment may refer to the above method embodiments, but are not limited thereto.
According to still another aspect of the embodiments of the present invention, there is also provided an electronic device for implementing the video playback control method, as shown in fig. 14, the electronic device includes a memory 1402 and a processor 1404, the memory 1402 stores therein a computer program, and the processor 1404 is configured to execute the steps in any one of the method embodiments through the computer program.
Optionally, in this embodiment, the electronic apparatus may be located in at least one network device of a plurality of network devices of a computer network.
Optionally, in this embodiment, the processor may be configured to execute the following steps by a computer program:
s1, acquiring a video adjustment control instruction for a target video clip played by a playing client, wherein the video adjustment control instruction is used for indicating the adjustment of the video playing speed of the target video clip;
s2, responding to the video adjustment control instruction, and acquiring video playing control information matched with the target video clip, wherein the video playing control information comprises: the account attribute information of a target user account used for logging in the playing client and the historical operation information corresponding to the target video clip;
s3, determining the playing rate of the target video clip as the target playing rate according to the video playing control information;
and S4, controlling the playing speed of the target video clip to be adjusted to the target playing speed.
Alternatively, it can be understood by those skilled in the art that the structure shown in fig. 14 is only an illustration, and the electronic device may also be a terminal device such as a smart phone (e.g., an Android phone, an iOS phone, etc.), a tablet computer, a palm computer, a Mobile Internet Device (MID), a PAD, and the like. Fig. 14 is a diagram illustrating the structure of the electronic device. For example, the electronic device may also include more or fewer components (e.g., network interfaces, etc.) than shown in FIG. 14, or have a different configuration than shown in FIG. 14.
The memory 1402 may be configured to store software programs and modules, such as program instructions/modules corresponding to the video playing control method and apparatus in the embodiments of the present invention, and the processor 1404 executes various functional applications and data processing by running the software programs and modules stored in the memory 1402, that is, implementing the video playing control method. Memory 1402 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 1402 may further include memory located remotely from the processor 1404, which may be connected to a terminal over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof. The memory 1402 may be specifically, but not limited to, used to store information such as a target video clip, account attribute information of a target user account, and historical operating information of the target video clip. As an example, as shown in fig. 14, the memory 1402 may include, but is not limited to, a first obtaining unit 1302, a second obtaining unit 1304, a determining unit 1306, and a control unit 1308 of the video playback control apparatus. In addition, the video playback control apparatus may further include, but is not limited to, other module units in the video playback control apparatus, which is not described in detail in this example.
Optionally, the transmitting device 1406 is used for receiving or sending data via a network. Examples of the network may include a wired network and a wireless network. In one example, the transmission device 1406 includes a Network adapter (NIC) that can be connected to a router via a Network cable and other Network devices to communicate with the internet or a local area Network. In one example, the transmitting device 1406 is a Radio Frequency (RF) module used to communicate with the internet by wireless means.
In addition, the electronic device further includes: a display 1408, configured to display a target video clip, account attribute information of a target user account, and historical operation information on the target video clip; and a connection bus 1410 for connecting the respective module parts in the above-described electronic apparatus.
According to a further aspect of an embodiment of the present invention, there is also provided a computer-readable storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
Alternatively, in the present embodiment, the above-mentioned computer-readable storage medium may be configured to store a computer program for executing the steps of:
s1, acquiring a video adjustment control instruction for a target video clip played by a playing client, wherein the video adjustment control instruction is used for indicating the adjustment of the video playing speed of the target video clip;
s2, responding to the video adjustment control instruction, and acquiring video playing control information matched with the target video clip, wherein the video playing control information comprises: the account attribute information of a target user account used for logging in a playing client and historical operation information corresponding to a target video clip;
s3, determining the playing rate of the target video clip as the target playing rate according to the video playing control information;
and S4, controlling to adjust the playing speed of the target video clip to the target playing speed.
Alternatively, in this embodiment, a person skilled in the art may understand that all or part of the steps in the methods of the foregoing embodiments may be implemented by a program instructing hardware associated with the terminal device, where the program may be stored in a computer-readable storage medium, and the storage medium may include: flash disks, read-Only memories (ROMs), random Access Memories (RAMs), magnetic or optical disks, and the like.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The integrated unit in the above embodiments, if implemented in the form of a software functional unit and sold or used as a separate product, may be stored in the above computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be essentially or partially contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes several instructions for causing one or more computer devices (which may be personal computers, servers, or network devices, etc.) to execute all or part of the steps of the method according to the embodiments of the present invention.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed client may be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (14)

1. A video playback control method, comprising:
acquiring a video adjustment control instruction for a target video clip played by a playing client, wherein the video adjustment control instruction is used for instructing adjustment of the video playing rate of the target video clip;
responding to the video adjustment control instruction, and acquiring video playing control information matched with the target video clip, wherein the video playing control information comprises: account attribute information of a target user account used for logging in the playing client and historical operation information corresponding to the target video clip, wherein the historical operation information is used for acquiring an evaluation coefficient used for evaluating the content of the target video clip, and the evaluation coefficient is obtained by inputting operation information of different types of evaluation operations executed by different user accounts playing the target video clip into an emotion recognition model;
determining the playing rate of the target video clip as a target playing rate according to the video playing control information;
controlling to adjust the playing rate of the target video clip to the target playing rate;
wherein the determining that the play rate of the target video clip is the target play rate according to the video play control information comprises: determining a reference playing rate of the target user account playing the target video clip in the playing client according to the account attribute information of the target user account; acquiring an evaluation coefficient for evaluating the content of the target video clip and the fineness matched with the content of the target video clip according to the historical operation information corresponding to the target video clip; carrying out weighted summation on the reference playing rate, the evaluation coefficient and the precision to obtain the target playing rate;
wherein the weighting and summing the reference playing rate, the evaluation coefficient and the chroma to obtain the target playing rate comprises:
determining the target playing speed by the following formula:
rate i ＝dr i +p i ×s i +(1-q i )
rate i for representing the target playing speed, the target video segment is the ith video segment, dr in the video i The reference playing speed for representing the target user account playing the target video clip in the playing client is 1.0-2.0 s in value range i The evaluation coefficient is used for representing the evaluation coefficient, the value range is-1.0, wherein, 1.0 represents that the user like degree of the target video clip is higher, -1.0 represents that the user uninteresting degree of the target video clip is higher, and p is i For indicating an adjustment factor matching said evaluation factor, for controlling a weight ratio of said evaluation factor to the playback rate calculation, q i The value range of 0-1.0,0 is used for representing the chroma matched with the content of the target video segment, and the value range represents that all users fast forward or skip the target video segment, and 1.0 represents that the users do not fast forward or skip the target video segment or review the target video segment;
wherein the fineness is determined by the following formula:
Figure FDA0003894117030000021
b j the value is used for indicating the adjustment direction of the progress adjustment operation, the backward adjustment of the progress is represented by '1', '1' representing the forward adjustment of the progress, and x j And representing the progress change intersection proportion of the jth user under the target video clip, if the jth user does not have an intersection, representing the progress change intersection proportion by '0', wherein m represents the total number of users watching the target video clip, and the progress change intersection proportion is used for indicating the intersection of a progress adjustment interval and the original playing time of the target video clip.
2. The method according to claim 1, wherein the obtaining the evaluation coefficient for evaluating the content of the target video segment and the chroma matching the content of the target video segment according to the historical operation information corresponding to the target video segment comprises:
acquiring operation information of evaluation operation performed on the target video clip from the historical operation information, and determining the evaluation coefficient according to the operation information of the evaluation operation;
and obtaining operation information of progress adjustment operation executed on the target video clip from the historical operation information, and determining the precision according to the operation information of the progress adjustment operation.
3. The method according to claim 2, wherein the obtaining operation information of the evaluation operation performed on the target video segment from the historical operation information comprises at least one of:
acquiring operation information of a first type of evaluation operation performed on the target video clip, wherein the first type of evaluation operation is an operation performed on a control key for evaluating the target video clip;
acquiring operation information of a second type of evaluation operation performed on the target video segment, wherein the second type of evaluation operation is an operation of inputting evaluation information of the target video segment through an editing area;
and acquiring operation information of a third type of evaluation operation executed on the target video clip, wherein the third type of evaluation operation is an operation of sharing the target video clip.
4. The method according to claim 2, wherein the determining the evaluation coefficient according to the operation information of the evaluation operation includes:
inputting the operation information of each evaluation operation into an emotion recognition model to obtain an evaluation sub-coefficient, wherein the emotion recognition model is a neural network model which is subjected to machine training by using the operation information of a plurality of sample evaluation operations, and the evaluation sub-coefficient is used for indicating the interest degree of a user account on a video clip;
and counting the evaluation sub-coefficients to obtain the evaluation coefficients.
5. The method of claim 4, before inputting the operation information of each evaluation operation into the emotion recognition model to obtain the number of evaluation subsystems, further comprising:
acquiring operation information of the plurality of sample evaluation operations, and taking the operation information of each sample evaluation operation as the operation information of the current sample evaluation operation to perform the following operations:
converting the operation information of the current sample evaluation operation into text evaluation information;
performing word segmentation processing and vector conversion processing on the text evaluation information to obtain a current sample evaluation vector;
and inputting the current sample evaluation vector and a current sample label matched with the operation information of the current sample evaluation operation into an initial emotion recognition model for machine training to obtain the emotion recognition model.
6. The method according to claim 2, wherein the obtaining operation information of the progress adjustment operation performed on the target video clip from the historical operation information comprises at least one of:
acquiring operation information of a first type of progress adjustment operation performed on the target video clip, wherein the first type of progress adjustment operation is a dragging operation performed on a playing picture of the target video clip;
acquiring operation information of a second type of progress adjustment operation performed on the target video clip, wherein the second type of progress adjustment operation is a selected operation performed on a target progress position on a playing progress bar of the target video clip;
and acquiring operation information of a third type of progress adjustment operation performed on the target video clip, wherein the third type of progress adjustment operation is an operation performed on a control key for adjusting the playing progress of the target video clip.
7. The method of claim 2, wherein the determining the wonderness according to the operation information of the progress adjustment operation comprises:
acquiring a progress adjustment interval of each progress adjustment operation;
acquiring the intersection of the progress adjustment interval and the original playing time of the target video clip and the adjustment direction of the progress adjustment operation;
and determining the fineness according to the intersection and the adjustment direction obtained after each progress adjustment operation.
8. The method of claim 1, wherein the determining the reference playback rate at which the target user account plays the target video segment in the playback client according to the account attribute information of the target user account comprises:
acquiring a historical playing record of the target user account according to the account attribute information of the target user account;
determining a played video clip which belongs to the same video type as the target video clip from the historical playing record;
acquiring the playing speed of the played video clip;
and determining the reference playing speed according to the playing speed of the played video clip.
9. The method according to any one of claims 1 to 8, wherein the obtaining of the video adjustment control instruction for the target video segment played by the playing client comprises:
acquiring a trigger operation executed on a play rate adjustment key presented in the play client;
and responding to the trigger operation to generate the video adjusting control instruction.
10. The method according to any of claims 1 to 8, wherein after the controlling adjusts the playback rate of the target video segment to the target playback rate, further comprising:
under the condition that the playing speed of the next video clip behind the target video clip is different from the target playing speed, controlling the target video clip to be played according to the target playing speed within a first playing time period;
controlling the target video clip to play within a second playing time period according to a transitional playing rate, wherein the starting playing time of the second playing time period is the ending playing time of the first playing time period, the ending playing time of the second playing time period is the ending playing time of the target playing clip, and the transitional playing rate is determined according to the target playing rate and the playing rate of the next video clip behind the target video clip;
and controlling the next video clip behind the target video clip to play at the transition playing speed within a third playing time period, wherein the playing time of the third playing time period is the same as the playing time of the second playing time period.
11. The method according to any one of claims 1 to 8, wherein after the controlling adjusts the playback rate of the target video segment to the target playback rate, further comprising:
under the condition that the playing speed of the next video clip behind the target video clip is different from the target playing speed, controlling the target video clip to be played according to the target playing speed;
and controlling the next video segment behind the target video segment to be played at a transitional playing rate in a fourth playing time period, wherein the transitional playing rate is determined according to the target playing rate and the playing rate of the next video segment behind the target video segment.
12. A video playback control apparatus, comprising:
the device comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring a video adjustment control instruction for playing a target video clip played by a client, and the video adjustment control instruction is used for indicating that the video playing rate of the target video clip is adjusted;
a second obtaining unit, configured to obtain, in response to the video adjustment control instruction, video playing control information matched with the target video segment, where the video playing control information includes: account attribute information of a target user account used for logging in the playing client and historical operation information corresponding to the target video clip, wherein the historical operation information is used for acquiring an evaluation coefficient used for evaluating the content of the target video clip, and the evaluation coefficient is obtained by inputting operation information of different types of evaluation operations executed by different user accounts playing the target video clip into an emotion recognition model;
the determining unit is used for determining the playing speed of the target video clip as a target playing speed according to the video playing control information;
the control unit is used for controlling the adjustment of the playing speed of the target video clip to the target playing speed;
wherein the determination unit includes: a first determining module, configured to determine, according to the account attribute information of the target user account, a reference playing rate at which the target user account plays the target video segment in the playing client; the first acquisition module is used for acquiring an evaluation coefficient for evaluating the content of the target video clip and the fineness matched with the content of the target video clip according to the historical operation information corresponding to the target video clip; the processing module is used for carrying out weighted summation on the reference playing speed, the evaluation coefficient and the chroma to obtain the target playing speed;
wherein, the target playing speed is determined by the following formula:
rate i ＝dr i +p i ×s i +(1-q i )
rate i for representing the target playing speed, the target video segment is the ith video segment, dr in the video i The reference playing speed for representing the target user account playing the target video clip in the playing client is 1.0-2.0 s in value range i The evaluation coefficient is used for representing the evaluation coefficient, the value range is-1.0, wherein, 1.0 represents that the user like degree of the target video clip is higher, -1.0 represents that the user uninteresting degree of the target video clip is higher, and p is i For indicating an adjustment factor matching said evaluation factor, for controlling the weight ratio of said evaluation factor to the playback rate calculation, q i The value range of 0-1.0,0 is used for representing the chroma matched with the content of the target video segment, and the value range represents that all users fast forward or skip the target video segment, and 1.0 represents that the users do not fast forward or skip the target video segment or review the target video segment;
wherein the fineness is determined by the following formula:
Figure FDA0003894117030000071
b j the value is used for indicating the adjustment direction of the progress adjustment operation, the progress backward adjustment is represented by '1', '1' representing the progress forward adjustment, and x is represented by j And representing the progress change intersection proportion of the jth user under the target video clip, if the jth user does not have an intersection, representing the progress change intersection proportion by '0', wherein m represents the total number of users watching the target video clip, and the progress change intersection proportion is used for indicating the intersection of a progress adjustment interval and the original playing time of the target video clip.
13. A computer-readable storage medium comprising a stored program, wherein the program when executed performs the method of any of claims 1 to 11.
14. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to execute the method of any of claims 1 to 11 by means of the computer program.
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