CN107888948B - Method and device for determining video file playing speed, electronic equipment and computer readable storage medium - Google Patents

Method and device for determining video file playing speed, electronic equipment and computer readable storage medium Download PDF

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Publication number
CN107888948B
CN107888948B CN201711083846.6A CN201711083846A CN107888948B CN 107888948 B CN107888948 B CN 107888948B CN 201711083846 A CN201711083846 A CN 201711083846A CN 107888948 B CN107888948 B CN 107888948B
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playing
speed
video
determining
video segment
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CN107888948A (en
Inventor
孟祥美
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software 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]
    • H04N21/20—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
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866—Management of end-user data
    • H04N21/25891—Management of end-user data being end-user preferences
    • 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]
    • H04N21/40—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
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4884—Data services, e.g. news ticker for displaying subtitles
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Graphics (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The disclosure relates to a method and a device for determining a video file playing speed and electronic equipment. The method comprises the following steps: acquiring a historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension; determining a playback speed of each video segment in the video file based on the data for the at least one analysis dimension. Therefore, according to the embodiment of the disclosure, the user does not need to manually adjust the playing speed of the video file, and the probability that the user misses the highlight scenario due to the manual adjustment of the playing speed is reduced, so that the watching experience is improved.

Description

Method and device for determining video file playing speed, electronic equipment and computer readable storage medium
Technical Field
The present disclosure relates to the field of data processing technologies, and in particular, to a method and an apparatus for determining a playing speed of a video file, and an electronic device.
Background
At present, videos such as movie and TV shows, comprehensive programs and the like are more and more, and the playing time of each video is dozens of minutes to hours. Typically, a video will include highlight scenarios and non-highlight scenarios. In order to improve the watching experience of a user, the existing video player can be provided with a quick playing function, so that the user can conveniently and quickly browse non-wonderful scenarios in the video file. For example, when the user is not interested in the current scenario (i.e., the current scenario is considered to be a non-highlight scenario), the user may select the fast play function to quickly browse the non-highlight scenario for the next highlight scenario; when the interesting scenario is found, the fast play function is reset and the highlight scenario is played at normal speed to continue watching.
However, the fast playing function in the related art requires the user to adjust the playing speed according to the scenario of the video file, and since the user does not know the scenario of the video file, if the adjusting playing speed is too fast, the user may miss the highlight scenario in the video file, which causes the user to watch the video file back and forth, which wastes time. In addition, when watching a video file, adjusting the playing speed requires manual operation of the user, which may reduce the watching experience of the user.
Disclosure of Invention
The present disclosure provides a method and an apparatus for determining a video file playing speed, and an electronic device, so as to solve the deficiencies in the related art.
According to a first aspect of the embodiments of the present disclosure, there is provided a method for determining a playing speed of a video file, the method including:
acquiring a historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension;
determining a playback speed of each video segment in the video file based on the data for the at least one analysis dimension.
Optionally, determining the playback speed of each video segment in the video file based on the data of the at least one analysis dimension comprises:
for each video segment, determining the comprehensive watching duration of the video segment according to the time occupied by at least one playing of the video segment;
and determining the playing speed of the video segment based on the comprehensive watching duration.
Optionally, the determining the comprehensive viewing duration of the video segment according to the at least one playing occupation time of the video segment includes:
acquiring the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time of the video segments;
and acquiring the comprehensive watching duration of the video segment according to the repeated playing occupation time, the quick playing occupation time, the normal playing occupation time and the weight coefficients corresponding to the repeated playing occupation time, the quick playing occupation time and the normal playing occupation time.
Optionally, determining the play speed of the video segment based on the integrated viewing duration includes:
sequencing the comprehensive watching duration of each video segment in the video file;
acquiring the maximum comprehensive watching time length and the minimum comprehensive watching time length in the video file;
dividing the viewing time length between the maximum comprehensive viewing time length and the minimum comprehensive viewing time length into a first number of viewing intervals, wherein each viewing interval corresponds to a playing speed; the first number is equal to a number of video segments of the video file;
and aiming at each video segment, determining the playing speed of the video segment according to the watching interval to which the comprehensive watching duration of the video segment belongs based on the corresponding relation between the watching interval and the playing speed.
Optionally, determining the playback speed of each video segment in the video file based on the data of the at least one analysis dimension comprises:
acquiring the historical playing speed of each video segment in the video segments;
based on the historical play speed, a play speed of the video segment is determined.
Optionally, determining the play speed of the video segment based on the historical play speed comprises:
acquiring the maximum historical play speed and the minimum historical play speed in the historical play speeds;
dividing the historical playing speed between the maximum historical playing speed and the minimum historical playing speed into a second number of speed intervals, wherein each speed interval corresponds to a playing speed; the second number is equal to a number of video segments of the video file;
and determining the playing speed of the video segments according to the historical playing speed of each video segment in the video file based on the corresponding relation between the speed interval and the playing speed.
Optionally, determining the play speed of the video segment based on the historical play speed comprises:
counting the number of times that the video segments are played at different historical playing speeds in the historical playing record aiming at each video segment;
and taking the historical playing speed with the maximum times as the playing speed of the video segments.
Optionally, determining the play speed of the video segment based on the historical play speed comprises:
counting the times of playing the video segments at different historical playing speeds in the historical playing records aiming at each video segment;
for each historical playing speed, calculating the proportion of the playing times of the video segments based on the historical playing speed according to the times;
and calculating the comprehensive playing speed of each video segment in the video file according to the historical playing speed and the ratio, wherein the comprehensive playing speed is the playing speed of the video segment.
Optionally, determining the playback speed of each video segment in the video file based on the data of the at least one analysis dimension comprises:
acquiring the maximum playing occupation time, the minimum playing occupation time, the maximum historical playing speed and the minimum historical playing speed corresponding to the video segments in the video file;
determining a linear relation between the playing occupation time and the playing speed according to the maximum playing occupation time, the minimum playing occupation time, the maximum historical playing speed and the minimum historical playing speed;
and for each video segment, determining the playing speed of the video segment according to the linear relation and the playing occupied time of the video segment.
Optionally, determining the playback speed of each video segment in the video file based on the data of the at least one analysis dimension comprises:
counting the times of bullet screens appearing within the time occupied by the video segment playing or the times of preset keywords appearing in the bullet screens;
and determining the playing speed of the video segment based on the times of the bullet screen or the times of the keywords.
Optionally, determining the playing speed of the video segment based on the number of the barrage or the number of the keywords comprises:
acquiring the maximum bullet screen times and the minimum bullet screen times of the video segments in the video file;
dividing the bullet screen times between the maximum bullet screen times and the minimum bullet screen times into a third number of bullet screen intervals; the third number is equal to the number of video segments of the video file;
and aiming at each video segment, determining the playing speed of the video segment according to the relation between the bullet screen times of the video segment and the bullet screen interval.
Optionally, determining the playing speed of the video segment based on the number of the barrage or the number of the keywords comprises:
acquiring the maximum keyword times and the minimum keyword times of video segmentation in the video file;
dividing the maximum keyword frequency and the minimum keyword frequency into a fourth number of keyword intervals; the fourth number is equal to the number of video segments of the video file;
and for each video segment, determining the playing speed of the video segment according to the times of the keywords of the video segment and the relation between the keywords.
Optionally, determining the playing speed of each video segment in the video file based on the data of the at least one analysis dimension comprises:
determining a label corresponding to the video segment according to the playing speed;
and storing the label corresponding to the video segment.
Optionally, the preset time period is determined based on the following steps:
acquiring historical playing data of a fifth number of video files of the same type as the video files;
counting a watching heat curve of the video file of the type according to the historical playing data;
and determining the preset time period according to the watching heat degree curve.
According to a second aspect of the embodiments of the present disclosure, there is provided a method for variable-speed playing of a video file, the method including:
when the video file is triggered, sending a request instruction; the request instruction is used for enabling a server to send the video file and the playing speed of each video segment in the video file;
receiving the video file and the playing speed of each video segment in the video file;
and playing the video file according to the playing speed of each video segment.
Optionally, the method further comprises:
determining a video segment corresponding to the playing position;
acquiring a label corresponding to the video segment;
and displaying the label at the playing position.
According to a third aspect of the embodiments of the present disclosure, there is provided an apparatus for determining a playing speed of a video file, the apparatus comprising:
the record acquisition module is used for acquiring the historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension;
a speed determination module for determining a playing speed of each video segment in the video file based on the data of the at least one analysis dimension.
Optionally, the speed determination module comprises:
the duration determining unit is used for determining the comprehensive watching duration of each video segment according to the occupied time of at least one playing of the video segment;
a first speed determination unit for determining the playing speed of the video segment based on the viewing duration.
Optionally, the duration determining unit includes:
the time acquisition subunit is used for acquiring the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time of the video segments;
and the duration obtaining subunit is used for obtaining the comprehensive watching duration of the video segment according to the repeated playing occupation time, the fast playing occupation time, the normal playing occupation time and the weight coefficients corresponding to the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time.
Optionally, the first speed determination unit includes:
the time length sequencing subunit is used for sequencing the comprehensive watching time length of each video segment in the video file;
the first time length obtaining subunit is used for obtaining the maximum comprehensive watching time length and the minimum comprehensive watching time length in the video file;
a duration dividing subunit, configured to divide the viewing duration between the maximum comprehensive viewing duration and the minimum comprehensive viewing duration into a first number of viewing intervals, where each viewing interval corresponds to a playing speed; the first number is equal to a number of video segments of the video file;
and the first speed determining subunit is used for determining the playing speed of each video segment according to the watching interval to which the comprehensive watching duration of the video segment belongs on the basis of the corresponding relation between the watching interval and the playing speed.
Optionally, the speed determination module comprises:
the first speed acquisition unit is used for acquiring the historical playing speed of each video segment in the video segments;
a second speed determination unit for determining the playing speed of the video segment based on the historical playing speed.
Optionally, the second speed determination unit includes:
a speed acquisition subunit, configured to acquire a maximum historical play speed and a minimum historical play speed in the historical play speeds;
a speed dividing subunit, configured to divide the historical playing speed between the maximum historical playing speed and the minimum historical playing speed into a second number of speed intervals, where each speed interval corresponds to a playing speed; the second number is equal to a number of video segments of the video file;
and the second speed determining subunit is used for determining the playing speed of the video segments according to the historical playing speed of each video segment in the video file based on the corresponding relation between the speed interval and the playing speed.
Optionally, the second speed determination unit includes:
a first count counting subunit, configured to count, for each video segment, the number of times that the video segment is played at different historical playing speeds in the historical playing record;
and the speed determining subunit is used for determining the historical playing speed with the maximum times as the playing speed of the video segment.
Optionally, the second speed determination unit includes:
the second-time counting subunit is used for counting the times of playing the video segments at different historical playing speeds in the historical playing record aiming at each video segment;
the proportion calculation subunit is used for calculating the proportion of the playing times of the video segments based on the historical playing speed according to the times aiming at each historical playing speed;
and the third speed determination subunit is used for calculating the comprehensive playing speed of each video segment in the video file according to the historical playing speed and the ratio, wherein the comprehensive playing speed is the playing speed of the video segment.
Optionally, the speed determination module comprises:
a second speed obtaining unit, configured to obtain a maximum playing occupation time, a minimum playing occupation time, a maximum historical playing speed, and a minimum historical playing speed that correspond to a video segment in the video file;
a relation determining unit, configured to determine a linear relation between the playing occupation time and the playing speed according to the maximum playing occupation time, the minimum playing occupation time, the maximum historical playing speed, and the minimum historical playing speed;
and the third speed determining unit is used for determining the playing speed of the video segments according to the linear relation and the playing occupied time of the video segments aiming at each video segment.
Optionally, the speed determination module comprises:
the times counting unit is used for counting the times of bullet screens appearing within the time occupied by the video subsection playing or the times of preset keywords appearing in the bullet screens;
and the fourth speed determining unit is used for determining the playing speed of the video segment based on the times of the barrage or the times of the keywords.
Optionally, the fourth speed determination unit includes:
the first time number obtaining subunit is used for obtaining the maximum bullet screen times and the minimum bullet screen times of the video segments in the video file;
the bullet screen dividing subunit is used for dividing the bullet screen times between the maximum bullet screen times and the minimum bullet screen times into a third number of bullet screen intervals; the third number is equal to the number of video segments of the video file;
and the fourth speed determining subunit is used for determining the playing speed of each video segment according to the relationship between the bullet screen times of the video segments and the bullet screen intervals.
Optionally, the fourth speed determination unit includes:
the second time obtaining subunit is used for obtaining the maximum keyword times and the minimum keyword times of the video segments in the video file;
a keyword dividing unit, configured to divide the maximum keyword frequency and the minimum keyword frequency into a fourth number of keyword intervals; the fourth number is equal to the number of video segments of the video file;
and the fifth speed determining subunit is used for determining the playing speed of the video segments according to the times of the keywords of the video segments and the relation between the keywords for each video segment.
Optionally, the apparatus further comprises:
the label determining module is used for determining labels corresponding to the video segments according to the playing speed;
and the label storage module is used for storing the label corresponding to the video segment.
Optionally, the record obtaining module includes:
the data acquisition unit is used for acquiring historical playing data of a fifth number of video files of the same type as the video files;
the curve counting unit is used for counting the watching heat curve of the video file of the type according to the historical playing data;
and the time period determining unit is used for determining the preset time period according to the watching heat curve.
According to a fourth aspect of the embodiments of the present disclosure, there is provided an apparatus for variable-speed playing of a video file, the apparatus comprising:
the instruction sending module is used for sending a request instruction when the video file is triggered; the request instruction is used for enabling a server to send the video file and the playing speed of each video segment in the video file;
the speed receiving module is used for receiving the video file and the playing speed of each video segment in the video file;
and the video playing module is used for playing the video file according to the playing speed of each video segment.
Optionally, the apparatus further comprises:
the segmentation determining module is used for determining the video segmentation corresponding to the playing position;
the label obtaining module is used for obtaining labels corresponding to the video segments;
and the label display module is used for displaying the label at the playing position.
According to a fifth aspect of embodiments of the present disclosure, there is provided an electronic apparatus including:
a display screen;
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to:
acquiring a historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension;
determining a playback speed of each video segment in the video file based on the data for the at least one analysis dimension.
According to a sixth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having a computer program stored thereon, the computer-readable storage medium having stored thereon a number of computer instructions which, when executed, perform the following:
acquiring a historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension;
determining a playback speed of each video segment in the video file based on the data for the at least one analysis dimension.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
as can be seen from the foregoing embodiments, in the embodiments of the present disclosure, a history play record of the video file within a preset time period is obtained; the historical play record is composed of data of at least one analysis dimension; determining a playback speed of each video segment in the video file based on the data for the at least one analysis dimension. Therefore, the playing speed of each video segment is determined, the purpose of playing the video file at different playing speeds is achieved, the user does not need to manually adjust the playing speed of the video file in the embodiment, the probability that the user misses the highlight scenario due to manual adjustment of the playing speed can be reduced, the purpose of saving time is achieved, and the watching experience is further improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a diagram illustrating an application scenario of a method for determining a playback speed of a video file in accordance with an exemplary embodiment;
FIG. 2 is a flowchart illustrating a method of determining a playback speed of a video file in accordance with an exemplary embodiment;
FIG. 3 is a flowchart illustrating a method of determining a playback speed of a video file in accordance with another exemplary embodiment;
FIG. 4 is a flowchart illustrating a method of determining a playback speed of a video file in accordance with yet another exemplary embodiment;
FIG. 5 is a flowchart illustrating a method of determining a playback speed of a video file in accordance with yet another exemplary embodiment;
FIG. 6 is a flowchart illustrating a method of determining a playback speed of a video file in accordance with yet another exemplary embodiment;
FIG. 7 is a flowchart illustrating a method of determining a playback speed of a video file in accordance with yet another exemplary embodiment;
FIG. 8 is a flowchart illustrating a method of determining a playback speed of a video file in accordance with yet another exemplary embodiment;
FIG. 9 is a flowchart illustrating a method for variable-speed playback of video files according to an exemplary embodiment;
FIGS. 10-23 are block diagrams illustrating an apparatus for determining a playback speed of a video file according to an exemplary embodiment;
FIGS. 24-25 are block diagrams of a video file variable speed playback device according to an exemplary embodiment;
FIG. 26 is a block diagram illustrating an electronic device in accordance with an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure as recited in the claims below.
The term is defined as:
the video file is a multimedia file containing audio and video information.
The video segmentation refers to a segmentation obtained by segmenting a video file. Two different segments can be distinguished by setting a segment identification.
Analyzing the dimension refers to analyzing a preset angle of the video segment. The preset angle can reflect the enthusiasm degree of the user watching the video file or the video segment in the preset time period of the video segment, and can reflect the wonderful degree of the content of the video segment.
And the playing speed is used for reflecting the relative speed of the video file display. For example, in normal play, the play speed is a normal speed (reference speed); in fast playback, the playback speed may be 1.1 times, 1.2 times, 1.5 times, 2 times, or 3 times the normal speed.
Fig. 1 is a diagram illustrating an application scenario of a method for determining a playing speed of a video file according to an exemplary embodiment. Referring to fig. 1, the variable-speed playing method provided by the embodiment of the present disclosure is applicable to a usage scenario between a terminal and a server, and between a personal computer and the server. The terminal can be a smart phone, a tablet computer or a PDA and the like. When monitoring the video file corresponding to the user trigger position, the terminal sends a corresponding request to the server through the Internet. The server responds to the request and sends the video file and the playing speed of each video segment in the video file to the terminal. At this time, the terminal can play the video file according to different playing speeds. The method provided by the embodiment of the disclosure is introduced based on this scenario, and the method can be executed in a fixed period to update the playing speed of the video file; or may be performed while the video file is being played, and the disclosure is not limited.
Of course, according to a specific scenario, in an embodiment of the present disclosure, the terminal may also request the server for a history play record of the video file, then the terminal itself calculates a play speed of each video segment in the video file, and finally plays the video file according to different play speeds. The selection can be made by those skilled in the art according to actual needs, and is not limited herein.
Fig. 2 is a flowchart illustrating a method of determining a playback speed of a video file according to an example embodiment. Referring to fig. 2, the method for determining the playing speed of the video file can be applied to a server and includes:
step 201, obtaining a history playing record of the video file in a preset time period.
In one embodiment of the present disclosure, the video file is specified based on a user's trigger action. In this way, the server calculates the playing speed of the video file only when the user triggers, and the calculation amount can be reduced.
The preset time period may be hours, days, months, or even years. The preset time period can be set statically or dynamically. In one embodiment, the predetermined time period may be counted based on big data. For example, according to the type of a video file, such as an action film, a love film, a fun film, a science fiction film, a war film, etc., a plurality of (possibly a fifth number of) video files of the same type as the video file are obtained, and a viewing hotness curve as shown in fig. 3 of the video file of the type is counted according to the historical playing data of the plurality of video files. Referring to fig. 3, the viewing heat curve tends to fall after t0, i.e., the video file has slowly faded out of the user's view. Therefore, the time period T0 from the playing time (T is 0) to the time T0 of the video file can be used as a preset time period, which not only reduces the calculation amount, but also obtains the main characteristics of a large number of users when watching the video file, and is beneficial to improving the accuracy of the subsequent calculation result.
History play records are data of various analysis dimensions recorded when a video file is played, including: the total duration and the played times of the video file, the historical playing speed and the playing occupied time of each video segment, the bullet screen information corresponding to each video segment, and the like, can select different recording data according to specific scenes, and are not limited herein.
Step 202, determining the playing speed of each video segment in the video file based on the data of the at least one analysis dimension.
In an embodiment of the disclosure, the at least one analysis dimension comprises: play speed, viewing duration, or barrage. The play speed of each video segment in the video file may be determined by the at least one analysis dimension.
In an embodiment of the present disclosure, since different users have different insights, the same video segment may be played at different speeds, that is, each video segment in the video file may correspond to a plurality of different historical playing speeds. For this reason, the present embodiment may be based on the historical playing speed of each video segment, for example, 1.1 times, 1.2 times, 1.5 times, … … times, 2 times, … … times, 3 times the normal speed. In one possible approach, the playback speed of each video segment is determined at the historical playback speed at which the video segment was played the most. In another possible approach, the play speed is determined at a composite play speed of the played historical play speeds of each video segment. In yet another possible approach, the play speed of each video segment is determined at its maximum historical play speed and minimum historical play speed at which it was played. The detailed process of determining the play speed using the history play speed will not be described in detail herein.
In another embodiment of the present disclosure, in view of that the occupied time of each video segment in the video file is different when being played each time, the occupied time for repeated playing, the occupied time for fast playing, and the occupied time for normal playing of the video segment may be obtained at this time, then the comprehensive watching duration of the video segment is obtained according to the occupied time for repeated playing, the occupied time for fast playing, the occupied time for normal playing, and their respective corresponding weight coefficients, and the playing speed of the video file is determined according to the comprehensive watching duration. In one possible approach, the playback speed of each video segment is determined by the maximum and minimum integrated viewing durations for that video segment. In another possible approach, the play speed of each video segment is determined by the maximum elapsed time when played, the minimum elapsed time when played, the maximum historical play speed, and the minimum historical play speed of the video segment. The detailed process of determining the play speed using the integrated viewing time period will not be described in detail herein.
In another embodiment of the present disclosure, the playing speed of each video segment is determined according to the bullet screen of the video segment in this embodiment, considering that the user may evaluate the video file in a bullet screen manner when watching the video file. The bullet screen can comprise the number of times of the bullet screen occurring within the video segment occupation time or the number of times of the bullet screen occurring with the preset keyword. In one possible approach, the playback speed of each video segment is determined by the number of times the barrage appears in the video segment. In another possible way, the playing speed of each video segment is determined by the number of times a preset keyword contained in the bullet screen appears in the video segment. The detailed process of determining the play speed using the bullet screen is not described in detail herein.
Therefore, the playing speed of each video segment in the video file is determined according to the data of at least one analysis dimension in the history playing record by acquiring the history playing record of the video file. When the video file is played, each video segment is played based on different playing speeds, the user does not need to manually adjust the playing speed of the video file, the probability that the highlight is missed due to the fact that the playing speed is manually adjusted is reduced, and therefore watching experience is improved.
Fig. 4 is a flowchart illustrating a method of determining a playback speed of a video file according to yet another exemplary embodiment. Referring to fig. 4, the method for determining the playing speed of a video file includes:
401, obtaining a history playing record of the video file within a preset time period; the history play record is composed of data of at least one analysis dimension.
The specific method and principle of step 401 and step 201 are the same, please refer to fig. 2 and related contents of step 201 for detailed description, which is not repeated herein.
402, for each video segment, determining a comprehensive viewing duration of the video segment according to at least one playing occupation time of the video segment.
Since each video segment in a video file may correspond to at least one historical play speed, i.e., the video segment may correspond to at least one play elapsed time. It can be understood that the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time of the video segment can be obtained, and then the comprehensive watching duration of the video segment is obtained according to the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time and the weight coefficients corresponding to the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time.
And 403, determining the playing speed of the video segment based on the comprehensive watching time length.
Determining the playing speed of the video segment based on the comprehensive watching duration can adopt the following modes:
in an embodiment of the present disclosure, video segments of a video file are sorted according to a size of a comprehensive watching duration, a maximum comprehensive watching duration and a minimum comprehensive watching duration in the video file are obtained, and then the watching duration between the maximum comprehensive watching duration and the minimum comprehensive watching duration is divided into a first number of watching intervals, where each watching interval corresponds to a playing speed. The first number is equal to the number of video segments of the video file. The dividing mode can be equal or unequal. For example, when the viewing durations of each video segment are close to or of the same order of magnitude, the viewing durations between the maximum and minimum integrated viewing durations may be equally divided. For another example, when the integrated viewing durations of each video segment are different from each other or do not belong to the same order of magnitude, that is, the viewing durations are divided according to the distribution of the video segments, the number of viewing intervals divided in a place where the video segments are distributed sparsely is small, and the number of viewing intervals divided in a place where the video segments are distributed densely is large. And then, based on the corresponding relation between the watching interval and the playing speed, determining the playing speed of each video segment according to the watching interval to which the comprehensive watching duration of each video segment belongs.
For example, the maximum integrated viewing time period is 5 hours (assuming that the playing speed of the corresponding video segment is 1.0 times the normal speed), the minimum integrated viewing time period is 2 hours, and the video file includes 6 video segments, the maximum integrated viewing time period and the minimum integrated viewing time period may be equally divided into 6 equal parts, i.e., { [2, 2.5), [2.5, 3), [3, 3.5), [3.5, 4), [4, 4.5), [4.5, 5) }, which correspond to 2.0 times, 1.8 times, 1.6 times, 1.4 times, 1.2 times, 1.0 times the normal speed, respectively. If the watching time length corresponding to one of the video segments is 4.2 hours and belongs to the watching interval [4, 4.5 ], the playing speed of the video segment can be determined to be 1.2 times of the normal speed.
In another embodiment of the present disclosure, after obtaining the maximum playing occupation time and the minimum playing occupation time corresponding to the video segments in the video file, obtaining the maximum historical playing speed and the minimum historical playing speed; then, determining a linear relation between the playing occupation time and the playing speed according to the maximum playing occupation time, the minimum playing occupation time, the maximum historical playing speed and the minimum historical playing speed; and finally, aiming at each video segment, determining the playing speed of the video segment according to the linear relation and the playing occupation time of the video segment. Referring to fig. 5, for example, the maximum history playback speed V2 and the minimum history playback speed V1, the maximum occupied time for playback T1 and the minimum occupied time for playback T2 constitute a linear relationship from V2, V1, T2 and T1, which may be represented by direct L, and the occupied time for playback is in a negative correlation with the playback speed. When it is determined that the occupied time for playing a video segment is T3, the playing speed of the video segment may be determined to be V3.
Therefore, in the embodiment of the present disclosure, by determining the comprehensive watching time length of the video segments in the video file, and determining a suitable playing speed for each video segment by using the maximum comprehensive watching time length and the minimum comprehensive watching time length, it is beneficial to play the video file at a corresponding playing speed when the video file is played. The embodiment is beneficial to the user to watch the video file according to the proper playing speed, the highlight is played according to the normal playing speed during the highlight, and the non-highlight is played according to the faster playing speed, so that the user does not need to manually adjust the playing speed of the video file, the probability that the highlight is missed due to the fact that the playing speed is manually adjusted is reduced, and the watching experience is improved.
Fig. 6 is a flowchart illustrating a method of determining a playback speed of a video file according to yet another exemplary embodiment. Referring to fig. 6, the method for determining the playing speed of a video file includes:
601, obtaining a history playing record of the video file within a preset time period; the history play record is composed of data of at least one analysis dimension.
The specific method and principle of step 601 and step 201 are the same, please refer to fig. 2 and related contents of step 201 for detailed description, which is not repeated herein.
And 602, obtaining the historical playing speed of each video segment in the video segments.
In an embodiment of the present disclosure, for each video segment, the historical play speed of the video segment is obtained from the historical play record, for example, 1.1 times, 1.2 times, 1.5 times, … … times, 2 times, … … times, and 3 times the normal speed.
603, determining the playing speed of the video segment based on the historical playing speed.
In an embodiment of the present disclosure, the historical play speeds of the video segments of the video file are sorted, and the maximum historical play speed and the minimum historical play speed of the video file are obtained from the historical play speeds. Then, the history play speed between the maximum history play speed and the minimum history play speed is divided into a second number of speed intervals. The first number of shares may be equal to the number of video segments. And then, based on the corresponding relation between the speed interval and the playing speed, determining the playing speed of each video segment according to the historical playing speed of the video segment.
For example, the maximum historical play speed is 2.0 times the normal speed, the minimum historical play speed is 1.0 times the normal speed, and the video file includes 5 video segments, the maximum historical play speed and the minimum historical play speed may be divided into 5 equal parts, i.e., 5 speed intervals { [1.0, 1.2), [1.2, 1.4), [1.4, 1.6), [1.6, 1.8), [1.8, 2.0 }, where each speed interval corresponds to a play speed of 1.0 times, 1.2 times, 1.4 times, 1.6 times, 1.8 times the normal speed, respectively. If the playing speed of one of the video segments when being played is 1.3 times of the normal speed, the playing speed of the video segment can be determined to be 1.2 times of the normal speed because the playing speed of 1.3 times of the normal speed belongs to the speed interval [1.2, 1.4 ].
In another embodiment of the present disclosure, for each video segment, the number of times the video segment is played at different historical play speeds is counted according to the historical play speed. For each historical playing speed, calculating the proportion of the playing times of the video segment based on the historical playing speed according to the counted times; and calculating the comprehensive playing speed of each video segment in the video file according to the historical playing speed and the ratio, wherein the comprehensive playing speed is the playing speed of the video segment.
For example, the historical playing speed at which the number of times each video segment is played is the largest is taken as the playing speed of the video segment. For example, if a video segment is played 10 times, 8 times at the normal speed, 1 time at 1.2 times the normal speed, and 1 time at 2 times the normal speed, the corresponding normal speed of the video segment is played 8 times as the playing speed of the video segment, i.e., 1.0 times the normal speed.
In yet another embodiment of the present disclosure, the integrated play speed of the historical play speeds at which each video segment is played is used as the play speed of the video segment. For example, if a video segment is played 10 times, 8 times at normal speed, 1 time at 1.2 times normal speed, and 1 time at 2 times normal speed, the playing speed of the video segment is:
1.0 × 8/10) +1.2 × 2/10) +2.0 × 2/10 ═ 0.8+0.24+0.4 ═ 1.44 (times normal speed)
Therefore, the playing speed of each video segment in the video file is determined according to the historical playing speed of the video segments in the video file, and the video file is played at the corresponding playing speed. The embodiment is beneficial to the user to watch the video file according to the proper playing speed, the highlight is played according to the normal playing speed during the highlight, and the non-highlight is played according to the faster playing speed, so that the user does not need to manually adjust the playing speed of the video file, the probability that the highlight is missed due to the fact that the playing speed is manually adjusted is reduced, and the watching experience is improved.
Fig. 7 is a flowchart illustrating a method of determining a playback speed of a video file according to yet another exemplary embodiment. Referring to fig. 7, the method for determining the playing speed of a video file includes:
701, obtaining a historical playing record of the video file in a preset time period.
The specific method and principle of step 701 are consistent with those of step 201, and please refer to fig. 2 and related contents of step 201 for detailed description, which is not described herein again.
And 702, counting the times of bullet curtains appearing in the video segment playing occupation time or the times of preset keywords appearing in the bullet curtains.
In the process of watching the video file, the user can comment on the video content, so that barrages are displayed in the playing picture, and each barrage comprises different user evaluations. These user ratings can reflect the highlights of the scenario of the video file. Therefore, in an embodiment of the present disclosure, the number of times of occurrence of a bullet screen is counted by using the bullet screen occurring in the video file and combining the playing occupation time corresponding to the video segment, and then the playing speed of each video segment in the video file is determined according to the number of times of the bullet screen. In another embodiment of the present disclosure, the content of the bullet screen in the display screen is captured, such as "wadding", "climax", etc. And then, acquiring the content in the bullet screen by using a character recognition method in the related technology, and extracting preset keywords from the bullet screen content. Then, counting the times of the occurrence of the preset keywords within the playing occupation time corresponding to the video segments, and then determining the playing speed of each video segment in the video file according to the times of the occurrence of the preset keywords. It is understood that the preset keywords can be adjusted. In one embodiment, different preset keyword combinations are determined by a learning algorithm, so that the wonderful degree of the plot is reflected more accurately.
It should be noted that, the more times the bullet screen appears in the embodiment of the present disclosure, or the more times the preset keyword appears, the more accurate the play speed of each video segment in the video file is determined.
703, determining the playing speed of the video segment based on the times of the barrage or the times of the keywords.
In the embodiment of the present disclosure, determining the playing speed of the video segment according to the bullet screen intensity of the video segment may include the following steps:
in a feasible mode, the maximum bullet screen times and the minimum bullet screen times of video segments in a video file are obtained, and then the bullet screen times between the maximum bullet screen times and the minimum bullet screen times are divided into a third number of bullet screen intervals; the third number is equal to the number of video segments of the video file. And finally, determining the playing speed of the video segments according to the sequencing corresponding to the bullet screen times of the video segments for each video segment.
In another possible way, which group the bullet screen times are located in is searched from a preset speed table according to the bullet screen times, and the playing speed corresponding to the group is determined, so as to determine the playing speed of the video segment.
The preset speed meter can perform statistics according to a large amount of experimental data, then set different groups according to the statistical result, and set different playing speeds for each group. Of course, the preset speedometer can also be configured according to a preset strategy and the number of bullet screens.
For example, the number of times of the bullet screen within the playing occupation time corresponding to the whole video file is configured according to normal distribution, wherein the abscissa is the playing speed, and the ordinate is the bullet screen density. And then taking the abscissa corresponding to the bullet screen times of the video segment as the bullet screen times.
In another possible way, the maximum keyword frequency and the minimum keyword frequency of the video segments in the video file are obtained. Dividing the maximum keyword frequency and the minimum keyword frequency into a fourth number of keyword intervals; the fourth number is equal to the number of video segments of the video file; and then, for each video segment, determining the playing speed of the video segment according to the keyword times of the video segment and the relation between the keywords.
In another possible manner, the number of times of the keywords may also be determined by the number of times of the subtitles in the other possible manner, and details are not repeated herein.
Therefore, in the embodiment of the present disclosure, the play speed of each video segment in the video file is determined by determining the bullet screen appearing in the video file, which is beneficial to playing the video file at the corresponding play speed when the video file is played. The embodiment is beneficial to the user to watch the video file according to the proper playing speed, the highlight is played according to the normal playing speed during the highlight, and the non-highlight is played according to the faster playing speed, so that the user does not need to manually adjust the playing speed of the video file, the probability that the highlight is missed due to the fact that the playing speed is manually adjusted is reduced, and the watching experience is improved.
Fig. 8 is a flowchart illustrating a method of determining a playback speed of a video file according to yet another exemplary embodiment. Referring to fig. 8, the method for determining the playing speed of a video file includes:
801, obtaining a historical playing record of the video file in a preset time period.
The specific method and principle of step 801 and step 201 are the same, please refer to fig. 2 and related contents of step 201 for detailed description, which is not repeated herein.
And 802, determining the playing speed of each video segment in the video file based on the data of the at least one analysis dimension.
The specific method and principle of step 802 and step 202 are the same, please refer to fig. 2 and the related contents of step 202 for detailed description, which is not repeated herein.
And 803, determining the label of the corresponding video segment according to the playing speed.
In this embodiment, the corresponding tag is searched from the corresponding tag list according to the play speed. The label may be a term indicating the highlight highlights, such as "cold door", "normal", "hot door", and the like. Of course, the tag may be the play speed of the video analysis. For example, 1.0 times, 1.2 times, 1.4 times, 1.6 times, 1.8 times the normal speed, etc. The tag may be set according to a specific scenario, and the embodiment of the disclosure is not limited.
The embodiment of the disclosure determines the label corresponding to the video segment according to the playing speed, and the label can be displayed when the playing progress bar is displayed, so that the user can know the wonderful degree of the content of the video segment through the label, and the user can be guided to watch the wonderful content of the video more accurately by combining the related data of the playing progress bar, and further the watching experience of the user is improved.
And 804, storing the label corresponding to the video segment.
The embodiment of the disclosure determines the label corresponding to the video segment according to the playing speed, and the label can be displayed when the playing progress bar is displayed, so that the user can know the wonderful degree of the content of the video segment or the playing speed of the video file through the label, and can more accurately guide the user to watch the wonderful content of the video, and further improve the watching experience of the user.
The embodiment of the present disclosure further provides a video file variable speed playing method, which is applied to a terminal, and fig. 9 is a schematic flow chart of a video file variable speed playing method according to an exemplary embodiment. Referring to fig. 9, the video file variable-speed playing method includes:
and 901, when the video file is triggered, sending a request instruction.
When a user triggers the terminal, the terminal determines the triggered video file according to the triggering position and sends a request instruction to the server according to the video file. It will be appreciated that the request instructions may cause the server to transmit the video file and the play speed of each video segment in the video file.
And 902, receiving the video file and the playing speed of each video segment in the video file.
And the terminal receives the video file data sent by the server and the playing speed of each video segment in the video file.
And 903, playing the video file according to the playing speed of each video segment.
And the terminal plays the video file according to the playing speed of each video segment.
Therefore, in the embodiment of the present disclosure, the user can play the corresponding video file at different speeds only by triggering the corresponding video file, and the user does not need to manually adjust the playing speed of the video file, so that the probability that the user misses the highlight scenario due to manual adjustment of the playing speed is reduced, and the viewing experience is improved.
In an embodiment of the present disclosure, each video segment in the video file further includes a tag. When a user triggers a corresponding position, moves a mouse or needs to display a video segment corresponding to a playing position, the terminal can determine the corresponding video segment according to the triggering position, the position of a cursor or the playing position, and acquire and display a label corresponding to the video segment. Therefore, the user can know the wonderful degree of the video segment content through the label, the wonderful content of the video can be watched more accurately, and the watching experience is further improved.
An embodiment of the present disclosure further provides an apparatus for determining a playing speed of a video file, as shown in fig. 10, the apparatus includes:
a record obtaining module 1001, configured to obtain a history play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension;
a speed determination module 1002, configured to determine a playing speed of each video segment in the video file based on the data of the at least one analysis dimension.
In an embodiment of the present disclosure, as shown in fig. 11, the speed determining module 1002 includes:
a duration determining unit 1101, configured to determine, for each video segment, a comprehensive viewing duration of the video segment according to at least one playing occupation time of the video segment;
a first speed determination unit 1102, configured to determine a play speed of the video segment based on the viewing duration.
In an embodiment of the present disclosure, as shown in fig. 12, the duration determining unit 1101 includes:
a time obtaining subunit 1201, configured to obtain a repeated playing occupation time, a fast playing occupation time, and a normal playing occupation time of the video segment;
a duration obtaining subunit 1202, configured to obtain a comprehensive viewing duration of the video segment according to the repeated playing occupation time, the fast playing occupation time, the normal playing occupation time, and their respective corresponding weight coefficients.
In an embodiment of the present disclosure, as shown in fig. 13, the first speed determining unit 1102 includes:
a time length sorting subunit 1301, configured to sort the comprehensive viewing time length of each video segment in the video file;
a first time length obtaining subunit 1302, configured to obtain a maximum comprehensive viewing time length and a minimum comprehensive viewing time length in the video file;
a duration dividing subunit 1303, configured to divide the viewing duration between the maximum comprehensive viewing duration and the minimum comprehensive viewing duration into a first number of viewing intervals; the first number is equal to a number of video segments of the video file;
and a first speed determining subunit 1304, configured to determine, for each video segment, the playing speed of the video segment according to the viewing interval to which the comprehensive viewing duration of the video segment belongs, based on the correspondence between the viewing interval and the playing speed.
In an embodiment of the present disclosure, as shown in fig. 14, the speed determination module includes:
a first speed acquisition unit 1401 that acquires a historical play speed of each of the video segments;
a second speed determination unit 1402, configured to determine a playing speed of the video segment based on the historical playing speed.
In an embodiment of the present disclosure, as shown in fig. 15, the second speed determination unit includes:
a speed acquisition sub-unit 1501 configured to acquire a maximum history play speed and a minimum history play speed among the history play speeds;
a speed dividing subunit 1502, configured to divide the historical playing speed between the maximum historical playing speed and the minimum historical playing speed into a second number of speed intervals, where each speed interval corresponds to a playing speed; the second number is equal to a number of video segments of the video file;
the second speed determining subunit 1503 is configured to determine, based on a corresponding relationship between the speed interval and the playing speed, a playing speed of each video segment according to a historical playing speed of each video segment in the video file.
In an embodiment of the present disclosure, as shown in fig. 16, the second speed determination unit includes:
a first count counting subunit 1601, configured to count, for each video segment, the number of times that the video segment is played at different historical playing speeds in the historical playing record;
a speed determining subunit 1602, configured to determine the historical playing speed with the largest number of times as the playing speed of the video segment.
In an embodiment of the present disclosure, as shown in fig. 17, the second speed determination unit includes:
a second count counting subunit 1701, configured to count, for each video segment, the number of times that the video segment is played at different historical playing speeds in the historical playing record;
a scale calculation subunit 1702, configured to calculate, according to the number of times, a scale of the number of times that the video segment is played based on the historical playing speed, for each historical playing speed;
a third speed determining subunit 1703, configured to calculate a comprehensive playing speed of each video segment in the video file according to the historical playing speed and the ratio, where the comprehensive playing speed is a playing speed of the video segment.
In an embodiment of the present disclosure, as shown in fig. 18, the speed determination module includes:
a second speed obtaining unit 1801, configured to obtain a maximum playing occupation time, a minimum playing occupation time, a maximum historical playing speed, and a minimum historical playing speed corresponding to a video segment in the video file;
a relation determining unit 1802, configured to determine a linear relation between a comprehensive viewing duration and a playing speed according to the maximum playing occupied time, the maximum historical playing speed, and the minimum historical playing speed;
a third speed determining unit 1803, configured to determine, for each video segment, a playing speed of the video segment according to the linear relationship and a playing occupied time of the video segment.
In an embodiment of the present disclosure, as shown in fig. 19, the speed determination module includes:
a number counting unit 1901, configured to count the number of times that a barrage appears within the time occupied by playing the video segments or the number of times that a preset keyword appears in the barrage;
a fourth speed determining unit 1902, configured to determine a playing speed of the video segment based on the number of bullet screens or the number of keywords.
In an embodiment of the present disclosure, as shown in fig. 20, the fourth speed determining unit includes:
a first time number obtaining subunit 2001, configured to obtain a maximum bullet screen frequency and a minimum bullet screen frequency of a video segment in the video file;
a bullet screen dividing subunit 2002, configured to divide the bullet screen times between the maximum bullet screen times and the minimum bullet screen times into a third number of bullet screen intervals; the third number is equal to the number of video segments of the video file;
and a fourth speed determining subunit 2003, configured to determine, for each video segment, a playing speed of the video segment according to a relationship between the number of times of the barrage of the video segment and the barrage interval.
In an embodiment of the present disclosure, as shown in fig. 21, the fourth speed determining unit includes:
a second time number obtaining subunit 2101, configured to obtain the maximum keyword times and the minimum keyword times of the video segments in the video file;
a keyword partition unit 2102 configured to partition the maximum keyword count and the minimum keyword count into a fourth number of keyword intervals; the fourth number is equal to the number of video segments of the video file;
a fifth speed determining subunit 2103, configured to determine, for each video segment, a playing speed of the video segment according to the number of times of keywords of the video segment and a relationship between the keywords.
In an embodiment of the present disclosure, as shown in fig. 22, the apparatus further includes:
a tag determining module 2201, configured to determine a tag of a corresponding video segment according to the play speed;
a tag saving module 2202, configured to save the tag corresponding to the video segment.
In an embodiment of the present disclosure, as shown in fig. 23, the record obtaining module 1001 includes:
a data acquiring unit 2301, configured to acquire historical play data of a fifth number of video files of the same type as the video files;
a curve counting unit 2302 for counting a watching heat curve of the video file of the type according to the historical playing data;
a time period determining unit 2303, configured to determine the preset time period according to the viewing heat curve.
An embodiment of the present disclosure further provides a variable-speed playing apparatus for a video file, as shown in fig. 24, the apparatus includes:
an instruction sending module 2401, configured to send a request instruction when the video file is triggered; the request instruction is used for enabling a server to send the video file and the playing speed of each video segment in the video file;
a speed receiving module 2402, configured to receive the video file and a playing speed of each video segment in the video file;
a video playing module 2403, configured to play the video file according to the playing speed of each video segment.
The embodiment of the disclosure determines the label corresponding to the video segment according to the playing speed, and the label can be displayed when the playing progress bar is displayed, so that the user can know the wonderful degree of the content of the video segment through the label, and the user can be guided to watch the wonderful content of the video more accurately by combining the related data of the playing progress bar, and further the watching experience of the user is improved.
In an embodiment of the present disclosure, as shown in fig. 25, the apparatus further includes:
a segment determining module 2501, configured to determine a video segment corresponding to the playing position;
a tag obtaining module 2502, configured to obtain a tag corresponding to the video segment;
a tag display module 2503, configured to display the tag at the playing position.
The embodiment of the disclosure can display the above label when displaying the playing progress bar, and the user can know the wonderful degree of the video segment content or the playing speed of the video file through the label, so that the user can be guided to watch the wonderful content of the video more accurately, and the watching experience of the user is further improved.
An embodiment of the present disclosure also provides an electronic device, including:
a display screen;
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to:
acquiring a historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension;
determining a playback speed of each video segment in the video file based on the data for the at least one analysis dimension.
An embodiment of the present disclosure also provides a computer-readable storage medium having a computer program stored thereon, the computer-readable storage medium having a number of computer instructions stored thereon, which when executed perform the following:
acquiring a historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension;
determining a playback speed of each video segment in the video file based on the data for the at least one analysis dimension.
FIG. 26 is a block diagram illustrating an electronic device in accordance with an example embodiment. For example, the electronic device 2600 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a gaming console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
A processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to:
acquiring a first preset characteristic of a browser according to a historical record of the browser;
acquiring a second preset characteristic of each buyer according to the history of each buyer in at least one buyer; the at least one purchaser is determined by the browser viewing at least one rating for the item;
acquiring similarity values of the browser and each buyer according to the first preset characteristic and the second preset characteristic;
ranking the at least one rating of the good according to the similarity value.
Referring to fig. 26, electronic device 2600 can include one or more of the following components: a processing component 2602, a memory 2604, a power component 2606, a multimedia component 2608, an audio component 2610, an input/output (I/O) interface 2612, a sensor component 2614, and a communication component 2616.
The processing component 2602 generally controls overall operation of the device 2600, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. Processing component 2602 may include one or more processors 2620 to execute instructions. Further, the processing component 2602 may include one or more modules that facilitate interaction between the processing component 2602 and other components. For example, the processing component 2602 may include a multimedia module to facilitate interaction between the multimedia component 2608 and the processing component 2602.
The memory 2604 is configured to store various types of data to support operations at the apparatus 2600. Examples of such data include instructions for any application or method operating on device 2600, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 2604 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
A power supply component 2606 provides power to various components of the device 2600. The power components 2606 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 2600.
The multimedia components 2608 include a screen that provides an output interface between the device 2600 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia assembly 2608 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the back-facing camera can receive external multimedia data when the device 2600 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 2610 is configured to output and/or input audio signals. For example, the audio component 2610 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 2600 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 2604 or transmitted via the communication component 2616. In some embodiments, the audio component 2610 also includes a speaker for outputting audio signals.
The I/O interface 2612 provides an interface between the processing component 2602 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
Sensor assembly 2614 includes one or more sensors for providing various aspects of status assessment for device 2600. For example, the sensor assembly 2614 can detect the open/closed state of the device 2600, the relative positioning of the components, such as the display and keypad of the device 2600, the change in position of the device 2600 or a component of the device 2600, the presence or absence of user contact with the device 2600, the orientation or acceleration/deceleration of the device 2600, and a change in temperature of the device 2600. Sensor assembly 2614 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 2614 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 2614 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 2616 is configured to facilitate wired or wireless communication between the apparatus 2600 and other devices. Device 2600 can access a wireless network based on a communication standard, such as WiFi, 2G, or 3G, or a combination thereof. In an exemplary embodiment, the communication component 2616 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 2616 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an example embodiment, the apparatus 2600 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 2604 comprising instructions, that are executable by the processor 2620 of the apparatus 2600 is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (32)

1. A method for determining a playback speed of a video file, the method comprising:
acquiring a historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension; the preset time period is obtained according to a watching heat curve counted by the video file with the same type as the video file; the at least one analysis dimension includes: play speed, viewing duration, or barrage;
determining a playing speed of each video segment in the video file based on the data of the at least one analysis dimension;
wherein the preset time period is determined based on the following steps:
acquiring historical playing data of a fifth number of video files of the same type as the video files;
counting a watching heat curve of the video file of the type according to the historical playing data;
and determining the preset time period according to the watching heat degree curve.
2. The method of claim 1, wherein determining a playback speed for each video segment in the video file based on the data for the at least one analysis dimension comprises:
for each video segment, determining the comprehensive watching duration of the video segment according to the time occupied by at least one playing of the video segment;
and determining the playing speed of the video segment based on the comprehensive watching duration.
3. The method of claim 2, wherein determining the integrated viewing duration of the video segment based on the at least one elapsed time for playing the video segment comprises:
acquiring the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time of the video segments;
and acquiring the comprehensive watching duration of the video segment according to the repeated playing occupation time, the quick playing occupation time, the normal playing occupation time and the weight coefficients corresponding to the repeated playing occupation time, the quick playing occupation time and the normal playing occupation time.
4. The method of claim 2, wherein determining the playback speed of the video segment based on the integrated viewing duration comprises:
sequencing the comprehensive watching duration of each video segment in the video file;
acquiring the maximum comprehensive watching time length and the minimum comprehensive watching time length in the video file;
dividing the viewing time length between the maximum comprehensive viewing time length and the minimum comprehensive viewing time length into a first number of viewing intervals, wherein each viewing interval corresponds to a playing speed; the first number is equal to a number of video segments of the video file;
and aiming at each video segment, determining the playing speed of the video segment according to the watching interval to which the comprehensive watching duration of the video segment belongs based on the corresponding relation between the watching interval and the playing speed.
5. The method of claim 1, wherein determining a playback speed for each video segment in the video file based on the data for the at least one analysis dimension comprises:
acquiring the historical playing speed of each video segment in the video file;
based on the historical play speed, a play speed of the video segment is determined.
6. The method of claim 5, wherein determining the playback speed of the video segment based on the historical playback speed comprises:
sequencing the historical playing speeds of the video segments of the video file, and acquiring the maximum historical playing speed and the minimum historical playing speed in the historical playing speeds;
dividing the historical playing speed between the maximum historical playing speed and the minimum historical playing speed into a second number of speed intervals, wherein each speed interval corresponds to a playing speed; the second number is equal to a number of video segments of the video file;
and determining the playing speed of the video segments according to the historical playing speed of each video segment in the video file based on the corresponding relation between the speed interval and the playing speed.
7. The method of claim 5, wherein determining the playback speed of the video segment based on the historical playback speed comprises:
counting the number of times that the video segments are played at different historical playing speeds in the historical playing record aiming at each video segment;
and taking the historical playing speed with the maximum times as the playing speed of the video segments.
8. The method of claim 5, wherein determining the playback speed of the video segment based on the historical playback speed comprises:
counting the times of playing the video segments at different historical playing speeds in the historical playing records aiming at each video segment;
for each historical playing speed, calculating the proportion of the playing times of the video segments based on the historical playing speed according to the times;
and calculating the comprehensive playing speed of each video segment in the video file according to the historical playing speed and the ratio, wherein the comprehensive playing speed is the playing speed of the video segment.
9. The method of claim 1, wherein determining a playback speed for each video segment in the video file based on the data for the at least one analysis dimension comprises:
acquiring the maximum playing occupation time, the minimum playing occupation time, the maximum historical playing speed and the minimum historical playing speed corresponding to the video segments in the video file;
determining a linear relation between the playing occupation time and the playing speed according to the maximum playing occupation time, the minimum playing occupation time, the maximum historical playing speed and the minimum historical playing speed;
and for each video segment, determining the playing speed of the video segment according to the linear relation and the playing occupied time of the video segment.
10. The method of claim 1, wherein determining a playback speed for each video segment in the video file based on the data for the at least one analysis dimension comprises:
counting the times of bullet screens appearing within the time occupied by the video segment playing or the times of preset keywords appearing in the bullet screens;
and determining the playing speed of the video segment based on the times of the bullet screen or the times of the preset keywords in the bullet screen.
11. The method of claim 10, wherein determining the playing speed of the video segment based on the number of times a bullet screen occurs or the number of times a preset keyword occurs in the bullet screen comprises:
acquiring the times of bullet screen occurrence in each video segment in the video file, counting the maximum value and the minimum value of the times of bullet screen occurrence, and taking the maximum value and the minimum value as the maximum bullet screen times and the minimum bullet screen times respectively;
dividing the bullet screen times between the maximum bullet screen times and the minimum bullet screen times into a third number of bullet screen intervals; the third number is equal to the number of video segments of the video file;
and aiming at each video segment, determining the playing speed of the video segment according to the relation between the bullet screen times of the video segment and the bullet screen interval.
12. The method of claim 10, wherein determining the playing speed of the video segment based on the number of times a bullet screen occurs or the number of times a preset keyword occurs in the bullet screen comprises:
acquiring the times of the occurrence of preset keywords of the bullet screen in each video segment in the video file, counting the maximum value and the minimum value of the times of the occurrence of the bullet screen, and taking the maximum value and the minimum value as the maximum keyword times and the minimum keyword times respectively;
dividing the maximum keyword frequency and the minimum keyword frequency into a fourth number of keyword intervals; the fourth number is equal to the number of video segments of the video file;
and for each video segment, determining the playing speed of the video segment according to the times of the keywords of the video segment and the relation between the keywords.
13. The method of claim 1, wherein determining the playback speed of each video segment in the video file based on the data for the at least one analysis dimension comprises:
determining a label corresponding to the video segment according to the playing speed;
and storing the label corresponding to the video segment.
14. A method for variable speed playback of a video file, the method comprising:
when the video file is triggered, sending a request instruction; the request instruction is used for enabling a server to send the video file and the playing speed of each video segment in the video file; the playing speed of the video file is determined according to the method for determining the playing speed of the video file, which is disclosed by any one of claims 1-13;
receiving the video file and the playing speed of each video segment in the video file;
and playing the video file according to the playing speed of each video segment.
15. The variable speed playback method of claim 14, further comprising:
determining a video segment corresponding to the playing position;
acquiring a label corresponding to the video segment;
and displaying the label at the playing position.
16. An apparatus for determining a playback speed of a video file, the apparatus comprising:
the record acquisition module is used for acquiring the historical play record of the video file within a preset time period; the historical play record is composed of data of at least one analysis dimension; the preset time period is obtained according to a watching heat curve counted by the video file with the same type as the video file; the at least one analysis dimension includes: play speed, viewing duration, or barrage;
a speed determination module for determining a playing speed of each video segment in the video file based on the data of the at least one analysis dimension;
wherein, the record acquisition module comprises:
the data acquisition unit is used for acquiring historical playing data of a fifth number of video files of the same type as the video files;
the curve counting unit is used for counting the watching heat curve of the video file of the type according to the historical playing data;
and the time period determining unit is used for determining the preset time period according to the watching heat curve.
17. The apparatus of claim 16, wherein the speed determination module comprises:
the duration determining unit is used for determining the comprehensive watching duration of each video segment according to the occupied time of at least one playing of the video segment;
and the first speed determining unit is used for determining the playing speed of the video segment based on the comprehensive watching duration.
18. The apparatus of claim 17, wherein the duration determining unit comprises:
the time acquisition subunit is used for acquiring the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time of the video segments;
and the duration obtaining subunit is used for obtaining the comprehensive watching duration of the video segment according to the repeated playing occupation time, the fast playing occupation time, the normal playing occupation time and the weight coefficients corresponding to the repeated playing occupation time, the fast playing occupation time and the normal playing occupation time.
19. The apparatus of claim 17, wherein the first speed determination unit comprises:
the time length sequencing subunit is used for sequencing the comprehensive watching time length of each video segment in the video file;
the first time length obtaining subunit is used for obtaining the maximum comprehensive watching time length and the minimum comprehensive watching time length in the video file;
a duration dividing subunit, configured to divide the viewing duration between the maximum comprehensive viewing duration and the minimum comprehensive viewing duration into a first number of viewing intervals, where each viewing interval corresponds to a playing speed; the first number is equal to a number of video segments of the video file;
and the first speed determining subunit is used for determining the playing speed of each video segment according to the watching interval to which the comprehensive watching duration of the video segment belongs on the basis of the corresponding relation between the watching interval and the playing speed.
20. The apparatus of claim 16, wherein the speed determination module comprises:
the first speed acquisition unit is used for acquiring the historical playing speed of each video segment in the video file;
a second speed determination unit for determining the playing speed of the video segment based on the historical playing speed.
21. The apparatus of claim 20, wherein the second speed determination unit comprises:
the speed acquisition subunit is used for sequencing the historical playing speeds of the video segments of the video file and acquiring the maximum historical playing speed and the minimum historical playing speed in the historical playing speeds;
a speed dividing subunit, configured to divide the historical playing speed between the maximum historical playing speed and the minimum historical playing speed into a second number of speed intervals, where each speed interval corresponds to a playing speed; the second number is equal to a number of video segments of the video file;
and the second speed determining subunit is used for determining the playing speed of the video segments according to the historical playing speed of each video segment in the video file based on the corresponding relation between the speed interval and the playing speed.
22. The apparatus of claim 20, wherein the second speed determination unit comprises:
a first count counting subunit, configured to count, for each video segment, the number of times that the video segment is played at different historical playing speeds in the historical playing record;
and the speed determining subunit is used for determining the historical playing speed with the maximum times as the playing speed of the video segment.
23. The apparatus of claim 20, wherein the second speed determination unit comprises:
the second-time counting subunit is used for counting the times of playing the video segments at different historical playing speeds in the historical playing record aiming at each video segment;
the proportion calculation subunit is used for calculating the proportion of the playing times of the video segments based on the historical playing speed according to the times aiming at each historical playing speed;
and the third speed determination subunit is used for calculating the comprehensive playing speed of each video segment in the video file according to the historical playing speed and the ratio, wherein the comprehensive playing speed is the playing speed of the video segment.
24. The apparatus of claim 16, wherein the speed determination module comprises:
a second speed obtaining unit, configured to obtain a maximum playing occupation time, a minimum playing occupation time, a maximum historical playing speed, and a minimum historical playing speed that correspond to a video segment in the video file;
a relation determining unit, configured to determine a linear relation between the playing occupation time and the playing speed according to the maximum playing occupation time, the minimum playing occupation time, the maximum historical playing speed, and the minimum historical playing speed;
and the third speed determining unit is used for determining the playing speed of the video segments according to the linear relation and the playing occupied time of the video segments aiming at each video segment.
25. The apparatus of claim 16, wherein the speed determination module comprises:
the times counting unit is used for counting the times of bullet screens appearing within the time occupied by the video subsection playing or the times of preset keywords appearing in the bullet screens;
and the fourth speed determining unit is used for determining the playing speed of the video segment based on the times of the bullet screen or the times of the preset keywords in the bullet screen.
26. The apparatus of claim 25, wherein the fourth speed determination unit comprises:
the first time number obtaining subunit is configured to obtain the number of times of bullet screen occurrence in each video segment in the video file, count the maximum value and the minimum value of the number of times of bullet screen occurrence, and take the maximum value and the minimum value as the maximum bullet screen number and the minimum bullet screen number, respectively;
the bullet screen dividing subunit is used for dividing the bullet screen times between the maximum bullet screen times and the minimum bullet screen times into a third number of bullet screen intervals; the third number is equal to the number of video segments of the video file;
and the fourth speed determining subunit is used for determining the playing speed of each video segment according to the relationship between the bullet screen times of the video segments and the bullet screen intervals.
27. The apparatus of claim 25, wherein the fourth speed determination unit comprises:
the second-time acquiring subunit is used for acquiring the times of the occurrence of the preset keywords of the bullet screen in each video segment in the video file, counting the maximum value and the minimum value of the times of the occurrence of the bullet screen, and respectively taking the maximum value and the minimum value as the maximum keyword times and the minimum keyword times;
a keyword dividing unit, configured to divide the maximum keyword frequency and the minimum keyword frequency into a fourth number of keyword intervals; the fourth number is equal to the number of video segments of the video file;
and the fifth speed determining subunit is used for determining the playing speed of the video segments according to the times of the keywords of the video segments and the relation between the keywords for each video segment.
28. The apparatus of claim 16, further comprising:
the label determining module is used for determining labels corresponding to the video segments according to the playing speed;
and the label storage module is used for storing the label corresponding to the video segment.
29. An apparatus for variable speed playback of a video file, the apparatus comprising:
the instruction sending module is used for sending a request instruction when the video file is triggered; the request instruction is used for enabling a server to send the video file and the playing speed of each video segment in the video file; the playing speed of the video file is determined by the device for determining the playing speed of the video file according to any one of claims 16-28;
the speed receiving module is used for receiving the video file and the playing speed of each video segment in the video file;
and the video playing module is used for playing the video file according to the playing speed of each video segment.
30. The variable speed playback device of claim 29, further comprising:
the segmentation determining module is used for determining the video segmentation corresponding to the playing position;
the label obtaining module is used for obtaining labels corresponding to the video segments;
and the label display module is used for displaying the label at the playing position.
31. An electronic device, characterized in that the electronic device comprises:
a display screen;
a processor;
a memory for storing a computer program executable by the processor;
wherein the processor is configured to:
acquiring a historical play record of a video file within a preset time period; the historical play record is composed of data of at least one analysis dimension; the preset time period is obtained according to a watching heat curve counted by the video file with the same type as the video file; the at least one analysis dimension includes: play speed, viewing duration, or barrage;
determining a playing speed of each video segment in the video file based on the data of the at least one analysis dimension;
wherein the preset time period is determined based on the following steps:
acquiring historical playing data of a fifth number of video files of the same type as the video files;
counting a watching heat curve of the video file of the type according to the historical playing data;
and determining the preset time period according to the watching heat degree curve.
32. A computer-readable storage medium, having a computer program stored thereon, which, when executed by a processor within an electronic device, performs the following:
acquiring a historical play record of a video file within a preset time period; the historical play record is composed of data of at least one analysis dimension; the preset time period is obtained according to a watching heat curve counted by the video file with the same type as the video file; the at least one analysis dimension includes: play speed, viewing duration, or barrage;
determining a playing speed of each video segment in the video file based on the data of the at least one analysis dimension;
wherein the preset time period is determined based on the following steps:
acquiring historical playing data of a fifth number of video files of the same type as the video files;
counting a watching heat curve of the video file of the type according to the historical playing data;
and determining the preset time period according to the watching heat degree curve.
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