CN104811798B - A kind of method and device for adjusting video playout speed - Google Patents
A kind of method and device for adjusting video playout speed Download PDFInfo
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- CN104811798B CN104811798B CN201510184163.4A CN201510184163A CN104811798B CN 104811798 B CN104811798 B CN 104811798B CN 201510184163 A CN201510184163 A CN 201510184163A CN 104811798 B CN104811798 B CN 104811798B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
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- Television Signal Processing For Recording (AREA)
Abstract
The embodiment of the invention discloses a kind of method and device for adjusting video playout speed, the method for the adjustment video playout speed includes：Displacement distance of the target following object in current slot in video to be played is obtained, when the displacement distance is more than default distance threshold, the corresponding video content of current slot in slow play video to be played.It can realize and fast moving objects are finely tailored as slow play when playing, video playing is adjusted manually without user or to video into edlin so that the video of broadcasting has more expressive force, improves video display effect.
Description
Technical field
The present invention relates to video broadcasting field more particularly to a kind of method and devices for adjusting video playout speed.
Background technology
With the high speed development of mobile terminal technology, mobile terminal product can meet the more and more functions of user and realize
Demand.Meanwhile the demand that user uses for multiple functions is also further urgent.Such as moved since mobile terminal product has
Property, it is easy to carry about with one, more and more users select mobile terminals to be taken pictures, video capture etc..
However, user is substantially and is carried out according to normal speed when playing the video recorded using mobile terminal at present
It plays.It is typically to flash across if there is the object quickly moved in broadcasting content, this allows for moving objects in video and lacks
Weary expressive force.Make the expressive force more horn of plenty of moving object if necessary, then user is needed to manually adjust the broadcasting speed of video
Or need user that could be realized into edlin to video using Video editing software.And both approaches are required for user according to certainly
Oneself judgement is manually adjusted, cumbersome and complicated for a user.Simultaneously as it is the subjectivity needed according to user oneself
Judge to be adjusted, the result of adjustment is extremely difficult to accurate effect.
The content of the invention
In view of this, the embodiment of the present invention proposes a kind of method and device for adjusting video playout speed, to realize to moving
The video playout speed of dynamic terminal is automatically adjusted, and promotes video display effect.
On the one hand, an embodiment of the present invention provides a kind of method for adjusting video playout speed, the adjustment video playings
The method of speed, including：
Obtain displacement distance of the target following object in current slot in video to be played；
When the displacement distance is more than default distance threshold, current slot corresponds in slow play video to be played
Video content.
On the other hand, an embodiment of the present invention provides a kind of device for adjusting video playout speed, the adjustment video is broadcast
The device of speed is put, including：
Displacement distance acquiring unit, for obtaining movement of the target following object in current slot in video to be played
Distance；
Video slow play unit, for when the displacement distance is more than default distance threshold, described in slow play
The corresponding video content of current slot in video to be played.
The method and apparatus of adjustment video playout speed provided in an embodiment of the present invention, by obtaining mesh in video to be played
Displacement distance of the mark tracking object in current slot, when the displacement distance is more than default distance threshold, broadcasts at a slow speed
Put the corresponding video content of current slot in the video to be played, realize play when by fast moving objects accurately
Slow play is adjusted to, video playing is adjusted manually without user or to video into edlin so that broadcasting regards
Frequency improves video display effect with more expressive force.
Description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the flow chart of the method for the adjustment video playout speed that first embodiment of the invention provides；
Fig. 2 is the flow chart of the method for the adjustment video playout speed that second embodiment of the invention provides；
Fig. 3 is the flow chart of the method for the adjustment video playout speed that third embodiment of the invention provides；
Fig. 4 is the flow chart of the method for the adjustment video playout speed that fourth embodiment of the invention provides；
Fig. 5 is the flow chart of the method for the adjustment video playout speed that fifth embodiment of the invention provides；
Fig. 6 is the structure chart of the device for the adjustment video playout speed that sixth embodiment of the invention provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is only used for explaining the present invention rather than limitation of the invention.It also should be noted that for the ease of
It describes, part related to the present invention rather than full content is illustrated only in attached drawing.
Fig. 1 shows the first embodiment of the present invention.
Fig. 1 be first embodiment of the invention provide a kind of adjustment video playout speed method flow chart, this implementation
The method of example can be performed by the device of adjustment video playout speed, which can be real by way of hardware and/or software
It is existing, and can generally be integrated in mobile terminal.
The method of the adjustment video playout speed includes：
Step S101 obtains displacement distance of the target following object in current slot in video to be played.
The video that the preparation that mobile terminal is chosen by user plays, determines the video to be played.User can be
The motion target tracking object in video is selected in video to be played.Since captured video is made of continuous picture frame,
It can be according to position of the motion target tracking object in picture frame in the picture frame corresponding to the current slot acquisition period.
By the characteristics of image of motion target tracking object, the position of the motion target tracking object in picture frame can be got,
The characteristics of image includes：Object edge or object center.Such as：By image process and analysis, moving target is got
The a certain fixed point of object edge is tracked, and using the coordinate of the fixed point as the position of motion target tracking object, and according to
Point coordinates, which is fixed, in picture frame corresponding to the acquisition period obtains displacement distance of the target following object in current slot.
Further, it is also possible to after motion target tracking object edge is got, one is constructed by the upper left corner to the lower right corner of object edge
Line segment, and another line segment is constructed by the upper right corner to the lower left corner, and using the intersection point of the two lines section of construction as target following object
The center of body, and center point coordinate obtains target following object in current time in the picture frame according to corresponding to obtaining the period
Displacement distance in section.
Step S102, it is current in slow play video to be played when the displacement distance is more than default distance threshold
Period corresponding video content.
Displacement distance of the target following object in current slot acquired in step S101 and distance threshold are carried out
Compare, the distance threshold is preset by user or system, is more than in target following object displacement distance default
During distance threshold, target following object can be regarded as in high-speed motion, it is necessary to be adjusted to its broadcasting speed, can just be obtained more
Good result of broadcast.Mobile terminal is by adjusting the corresponding video content of current slot in video to be played corresponding institute per second
The frame number of output to carry out slow play to the corresponding video content of current slot.For example, normal play needs output per second
60 two field pictures in slow play, are adjusted to 30 two field pictures of output per second.
The embodiment of the present invention by obtaining displacement distance of the target following object in current slot in video to be played,
When the displacement distance is more than default distance threshold, current slot is corresponding in video to be played described in slow play regards
Frequency content realizes and fast moving objects is finely tailored as slow play when playing, video is broadcast manually without user
It puts and is adjusted or to video into edlin so that the video of broadcasting has more expressive force, improves video display effect.
Fig. 2 shows the second embodiment of the present invention.
Fig. 2 is the flow chart of the method for the adjustment video playout speed that second embodiment of the invention provides.The adjustment regards
The method of frequency broadcasting speed is based on first embodiment of the invention, further, target in video to be played is obtained by described
Displacement distance of the object in current slot is tracked, is optimized for：When detecting that slow play event is triggered, according to default
Time interval obtain displacement distance of the target following object in current slot in video to be played.
Referring to Fig. 2, the method for the adjustment video playout speed, including：
When detecting that slow play event is triggered, to be played regard is obtained according to default time interval by step S201
Displacement distance of the target following object in current slot in frequency.
For including the video of the target following object quickly moved, user can be determined according to the wish of oneself comprising quick
Whether the video of the target following object of movement needs slow play.User can pass through default dialog box or phonetic entry
Etc. modes start slow play, mobile terminal detect it is corresponding click on or phonetic order after, obtain in video to be played
Displacement distance of the target following object in current slot.According to the current slot, obtain corresponding to current slot
Time interval, and according to position of the motion target tracking object in picture frame, foundation in the corresponding picture frame of time interval
Displacement distance of the target following object in current slot in video to be played is calculated in the position.
Step S202, it is current in slow play video to be played when the displacement distance is more than default distance threshold
Period corresponding video content.
The embodiment of the present invention by described by obtaining shifting of the target following object in current slot in video to be played
Dynamic distance, is optimized for when detecting that slow play event is triggered, and is obtained according to default time interval in video to be played
Displacement distance of the target following object in current slot.It can determine whether that slow play is to be played according to the wish of user
Video so that slow play, which operates, more meets the wish of user.
Fig. 3 shows the third embodiment of the present invention.
Fig. 3 is the flow chart of the method for the adjustment video playout speed that third embodiment of the invention provides.The adjustment regards
The method of frequency broadcasting speed is based on first embodiment of the invention, further, target in video to be played is obtained by described
Displacement distance of the object in current slot is tracked, is optimized for：Target following object is obtained in video to be played when current
Between section initial time coordinate, as the corresponding origin coordinates of current slot；Obtain target following object in video to be played
Body the end time of current slot coordinate, as the corresponding termination coordinate of current slot；According to current slot pair
The origin coordinates and termination coordinate answered, obtain displacement distance of the target following object in current slot in video to be played.
Referring to Fig. 3, the method for the adjustment video playout speed, including：
Step S301 obtains the coordinate of target following object in video to be played in the initial time of current slot, makees
For the corresponding origin coordinates of current slot.
Mobile terminal obtains the initial time of current slot according to current slot, and then captures corresponding to initial time
Picture frame.By handling image, can target following object be obtained according to the characteristics of image of target following object
Coordinate.For example, can according to characteristics of image after motion target tracking object edge is got, by object edge the upper left corner extremely
The lower right corner constructs a line segment, and constructs another line segment by the upper right corner to the lower left corner, and by the intersection point of the two lines section of construction
It, can be using the centre coordinate as the coordinate of the target following object, further, by this as the center of target following object
Coordinate is as the corresponding origin coordinates of current slot.
Step S302 obtains the coordinate of target following object in video to be played in the end time of current slot, makees
For the corresponding termination coordinate of current slot.
Mobile terminal obtains the termination time of current slot according to current slot, and then captures and terminate corresponding to the time
Picture frame.By with the same processing modes of step S301, can according to the characteristics of image of target following object obtain target
Track the coordinate of object.Further, using the coordinate as the corresponding termination coordinate of current slot.
Step S303 according to the corresponding origin coordinates of current slot and terminates coordinate, obtains target in video to be played
Track displacement distance of the object in current slot.
Origin coordinates according to acquired in step S301 and step S302 and terminate coordinate, calculate play in video target with
Displacement distance of the track object in current slot.Such as the origin coordinates of target following object is (X1, Y1), terminating coordinate is
(X2, Y2), according to formulaCalculate movement of the target following object in current slot
Distance, wherein, Z is displacement distance.
Step S304, it is current in slow play video to be played when the displacement distance is more than default distance threshold
Period corresponding video content.
The embodiment of the present invention will be by that will obtain in video to be played target following object in the initial time of current slot
With the coordinate of end time, respectively as the corresponding origin coordinates of current slot and coordinate is terminated, and according to current slot
Corresponding origin coordinates and terminate coordinate, obtain in video to be played movement of the target following object in current slot away from
From.Only need to by obtain current slot initial time and end time corresponding to target following object coordinates can obtain
Displacement distance in current slot has many advantages, such as that computing is simple, and calculation amount is small.
Fig. 4 shows the fourth embodiment of the present invention.
Fig. 4 is the flow chart of the method for the adjustment video playout speed that fourth embodiment of the invention provides.The adjustment regards
The method of frequency broadcasting speed is based on first embodiment of the invention, further, described will be more than in the displacement distance pre-
If distance threshold when, the corresponding video content of current slot in slow play video to be played is optimized for：In the movement
When distance is more than default distance threshold, to current slot addition slow play mark；In the video to be played is played
During the corresponding video content of any time period, determine whether the period has slow play mark, if so, slow play institute
State the period corresponding video content in video to be played.
Referring to Fig. 4, the method for the adjustment video playout speed, including：
When detecting that slow play event is triggered, to be played regard is obtained according to default time interval by step S401
Displacement distance of the target following object in current slot in frequency.
When the displacement distance is more than default distance threshold, slow play is added to current slot by step S402
Mark.
By the displacement distance acquired in step S401 compared with default distance threshold, preset when displacement distance is more than
Distance threshold when, to the fast slow play mark of current slot addition corresponding to displacement distance.In the present embodiment, to institute
It states the mark that video is done and refers to the mark done for time shaft, determine current slot on a timeline according to current slot
Corresponding position, and be marked in the corresponding position of time shaft, mark of the content marked corresponding to corresponding slow play
Note, such as corresponding digital code etc..
Step S403 in the corresponding video content of any time period in playing the video to be played, determines the time
Whether section has slow play mark, if so, the period corresponding video content in video to be played described in slow play.
When the video to be played plays out, it can search and whether there is on the time shaft of video to be played as walked in advance
The mark at a slow speed that rapid S402 is marked if having slow play mark on the time shaft of video to be played, is regarded to be played
The period corresponding video content adjusts corresponding exported frame number per second to realize slow play in frequency；If to be played regard
Do not have slow play on the time shaft of frequency to mark, then the period corresponding video content in normal play video to be played.
The embodiment of the present invention by by the target following object displacement distance compared with default distance threshold,
When target following object displacement distance is more than default distance threshold, to current slot addition slow play mark, and broadcasting
The period that putting hour hands has video to be played slow play mark carries out slow play.It can effectively distinguish and mark and wait to broadcast
Putting needs the period of slow play in video, and when playing, period correspondence in video to be played described in slow play
Video content so that the video content corresponding to the slow play corresponding period exactly.
Fig. 5 shows the fifth embodiment of the present invention.
Fig. 5 is the flow chart of the method for the adjustment video playout speed that fifth embodiment of the invention provides.The adjustment regards
The method of frequency broadcasting speed is based on first embodiment of the invention, further, the target following in video to be played is obtained
Before displacement distance of the object in current slot, increase following steps：Obtain regarding for camera shooting in the terminal
The target following object that user selects in frequency picture, establishes and shows target identification frame corresponding with the target following object；
For each shooting time, the central point of the target identification frame under the shooting time is drawn in the current video that camera is shot
Coordinate in face is determined as the coordinate of the moment corresponding target following object.
Referring to Fig. 5, the method for the adjustment video playout speed, including：
Step S501 obtains the target following object that user selects in the video pictures of camera shooting in the terminal
Body is established and shows target identification frame corresponding with the target following object.
User can choose target following object by clicking on the screen of mobile terminal, for example, in by dynamic terminal
In the video pictures of camera shooting, user can click on the moving object in the video pictures shown by screen, mobile terminal
The corresponding position that screen is clicked on by capturing user determines target following object.After definite target following object, mobile terminal
It establishes corresponding identification frame for target following object and is displayed on the screen identification frame and checked for user, in the present embodiment,
The identification frame is rectangle.The foundation of identification frame can be grasped according to user on mobile terminal screen by corresponding gesture
It establishes or mobile terminal is analyzed and processed by the edge contour to target following object, obtain edge contour
Four angular coordinate, and pass through this four angular coordinate and establish corresponding identification frame, user can also adjust the knowledge by gesture operation
Other frame.
For each shooting time, the central point of the target identification frame under the shooting time is being imaged by step S502
Coordinate in the current video picture of head shooting is determined as the coordinate of the moment corresponding target following object.
Frame is identified according to rectangle determined by step S501, identifies that frame is captured in current video by the rectangle of acquisition
Coordinate in the image at moment calculates the centre coordinate of rectangle identification frame accordingly, and during using the centre coordinate as this
Carve the coordinate of corresponding target following object.
When detecting that slow play event is triggered, to be played regard is obtained according to default time interval by step S503
Displacement distance of the target following object in current slot in frequency.
Step S504, it is current in slow play video to be played when the displacement distance is more than default distance threshold
Period corresponding video content.
The embodiment of the present invention is by obtaining the target that user selects in the video pictures that camera is shot in the terminal
Object is tracked, establishes and shows target identification frame corresponding with the target following object, and will be described under each shooting time
Coordinate in the current video picture that the central point of target identification frame is shot in camera, be determined as the moment corresponding target with
The coordinate of track object.The corresponding calculation amount for calculating target following object displacement distance can be reduced, accelerates target following object
The arithmetic speed of displacement distance in current slot.
Fig. 6 shows sixth embodiment of the invention.
Fig. 6 is the structure chart of the device for the adjustment video playout speed that sixth embodiment of the invention provides.
As seen from Figure 6, the device of the adjustment video playout speed includes：610 He of displacement distance acquiring unit
Video slow play unit 620.
Wherein, the displacement distance acquiring unit 610, for obtaining in video to be played target following object current
Displacement distance in period；
The video slow play unit 620, for the displacement distance be more than default distance threshold when, at a slow speed
Play the corresponding video content of current slot in the video to be played.
The embodiment of the present invention by obtaining displacement distance of the target following object in current slot in video to be played,
When the displacement distance is more than default distance threshold, current slot is corresponding in video to be played described in slow play regards
Frequency content realizes and fast moving objects is finely tailored as slow play object when playing, without user manually to regarding
Frequency, which plays, to be adjusted or to video into edlin so that the video of broadcasting has more expressive force, improves video playing effect
Fruit.
Further, the displacement distance acquiring unit 610 is specifically used for：
When detecting that slow play event is triggered, according to default time interval obtain in video to be played target with
Displacement distance of the track object in current slot.
Further, the displacement distance acquiring unit 610 includes：Origin coordinates subelement 611 terminates coordinate subelement
612 and apart from obtain subelement 613.
Wherein, the origin coordinates subelement 611, for obtaining in video to be played target following object in current time
The coordinate of the initial time of section, as the corresponding origin coordinates of current slot；
The termination coordinate subelement 612, for obtaining in video to be played target following object in current slot
The coordinate of end time, as the corresponding termination coordinate of current slot；
The distance obtains subelement 613, for according to the corresponding origin coordinates of current slot and termination coordinate, obtaining
Displacement distance of the target following object in current slot in video to be played.
Further, the video slow play unit 620 includes：Mark addition subelement 621 and slow play are single
Member 622.
Wherein, it is described mark addition subelement 621, for the displacement distance be more than default distance threshold when, it is right
Current slot addition slow play mark；
The slow play subelement 622, for the corresponding video content of any time period in video to be played is played
When, determine whether the period has slow play mark, if so, the period pair in video to be played described in slow play
The video content answered.
Further, the device of the adjustment video playout speed, further includes：Target determination unit 630 and coordinate determine
Unit 640
Wherein, the target determination unit 630, for obtaining the video pictures content of camera shooting in the terminal
The target following object of middle user's selection, establishes and shows target identification frame corresponding with the target following object；
The coordinate determination unit 640, for for each shooting time, by the target identification frame under the shooting time
The current video picture content that is shot in camera of central point in coordinate, be determined as the moment corresponding target following object
Coordinate.
The device of above-mentioned adjustment video playout speed can perform the adjustment video playout speed that the embodiment of the present invention is provided
Method, possess the corresponding function module of execution method and advantageous effect.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Will be appreciated by those skilled in the art that each module or each step of the above-mentioned present invention can use general meter
Device is calculated to realize, they can concentrate on single computing device or be distributed in the network that multiple computing devices are formed
On, optionally, they can be realized with the program code that computer installation can perform, so as to be stored in storage
They are either fabricated to each integrated circuit modules respectively or will be more in them by computing device to perform in device
A module or step are fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and
The combination of software.
Each embodiment in this specification is described by the way of progressive, the highlights of each of the examples are with
The difference of other embodiment, just to refer each other for the same or similar part between each embodiment.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the invention, for those skilled in the art
For, the present invention can have various modifications and changes.All any modifications made within spirit and principles of the present invention are equal
Replace, improve etc., it should all be included in the protection scope of the present invention.
Claims (8)
- A kind of 1. method for adjusting video playout speed, which is characterized in that the method includes：Obtain the target following object that user selects in the video pictures of camera shooting in the terminal；Shifting of the target following object in current slot in video to be played is obtained according to the characteristics of image of target following object Dynamic distance, the characteristics of image of the target following object include a certain fixed point of the target following object edge or by described The upper left corner of target following object edge to the lower right corner constructs a line segment, and constructs another line by the upper right corner to the lower left corner Section, the intersection point of the two lines section of construction；When the displacement distance is more than default distance threshold, current slot is corresponding in slow play video to be played regards Frequency content；Wherein, it is described that target following object is obtained in video to be played in current time according to the characteristics of image of target following object Displacement distance in section, including：According to target following object in the characteristics of image of the target following object acquisition video to be played in current slot The coordinate of initial time, as the corresponding origin coordinates of current slot；According to target following object in the characteristics of image of the target following object acquisition video to be played in current slot The coordinate of end time, as current time corresponding termination coordinate；According to the corresponding origin coordinates of current slot and coordinate is terminated, obtains in video to be played target following object current Displacement distance in period.
- 2. according to the method described in claim 1, it is characterized in that, described treat according to the acquisition of the characteristics of image of target following object Displacement distance of the target following object in current slot in video is played, including：When detecting that slow play event is triggered, according to default time interval according to the characteristics of image of target following object Obtain displacement distance of the target following object in current slot in video to be played.
- 3. according to the method described in claim 1, it is characterized in that, described be more than default distance threshold in the displacement distance When, the corresponding video content of current slot in slow play video to be played, including：When the displacement distance is more than default distance threshold, to current slot addition slow play mark；In the corresponding video content of any time period in playing the video to be played, determine whether the period has at a slow speed Mark is played, if so, the period corresponding video content in video to be played described in slow play.
- 4. it according to the method described in claim 1, it is characterized in that, is obtained according to the characteristics of image of target following object to be played In video before displacement distance of the target following object in current slot, regarding for camera shooting in the terminal is obtained After the target following object that user selects in frequency picture, further include：It establishes and shows target identification frame corresponding with the target following object；For each shooting time, the central point of the target identification frame under the shooting time is worked as into forward sight what camera was shot Coordinate in frequency picture is determined as the coordinate of the moment corresponding target following object.
- 5. a kind of device for adjusting video playout speed, which is characterized in that including：Target determination unit, for obtaining the target that user selects in the video pictures content of camera shooting in the terminal Track object；Displacement distance acquiring unit, for obtaining target following object in video to be played according to the characteristics of image of target following object Displacement distance of the body in current slot, the characteristics of image of the target following object include the target following object edge A certain fixed point or a line segment is constructed by the upper left corner to the lower right corner of the target following object edge, and by the upper right corner extremely The lower left corner constructs another line segment, the intersection point of the two lines section of construction；Video slow play unit, for when the displacement distance is more than default distance threshold, waiting to broadcast described in slow play Put the corresponding video content of current slot in video；Wherein, the displacement distance acquiring unit includes：Origin coordinates subelement, for obtaining target following object in video to be played according to the characteristics of image of target following object In the coordinate of the initial time of current slot, as the corresponding origin coordinates of current slot；Coordinate subelement is terminated, for obtaining target following object in video to be played according to the characteristics of image of target following object In the coordinate of the end time of current slot, as the corresponding termination coordinate of current slot；Distance obtains subelement, for according to the corresponding origin coordinates of current slot and termination coordinate, obtaining video to be played Displacement distance of the middle target following object in current slot.
- 6. device according to claim 5, which is characterized in that the displacement distance acquiring unit is specifically used for：When detecting that slow play event is triggered, according to default time interval according to the characteristics of image of target following object Obtain displacement distance of the target following object in current slot in video to be played.
- 7. device according to claim 5, which is characterized in that the video slow play unit includes：Mark addition subelement, for when the displacement distance is more than default distance threshold, being added to current slot slow Speed plays mark；Slow play subelement, in the corresponding video content of any time period in playing video to be played, when determining this Between section whether have slow play mark, if so, in video to be played described in slow play in the period corresponding video Hold.
- 8. according to claim 5-7 any one of them devices, which is characterized in that the target determination unit is additionally operable to establish And show target identification frame corresponding with the target following object；Described device further includes：Coordinate determination unit, for for each shooting time, the central point of the target identification frame under the shooting time to be existed Coordinate in the current video picture content of camera shooting is determined as the coordinate of the moment corresponding target following object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184163.4A CN104811798B (en) | 2015-04-17 | 2015-04-17 | A kind of method and device for adjusting video playout speed |
Applications Claiming Priority (1)
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| CN105554516A (en) * | 2015-12-31 | 2016-05-04 | 杭州华为数字技术有限公司 | Method and device for playing monitoring video |
| CN106534964B (en) * | 2016-11-23 | 2020-02-14 | 广东小天才科技有限公司 | Method and device for adjusting speech rate |
| CN108184165B (en) * | 2017-12-28 | 2020-08-07 | Oppo广东移动通信有限公司 | Video playing method, electronic device and computer readable storage medium |
| CN108347563B (en) * | 2018-02-07 | 2020-12-22 | Oppo广东移动通信有限公司 | Video processing method and device, electronic equipment and computer readable storage medium |
| CN109889918B (en) * | 2019-03-22 | 2020-12-29 | 清华大学深圳研究生院 | Self-adaptive adjustment method for teaching video playing speed |
| CN112422804B (en) * | 2019-08-20 | 2022-06-14 | 华为技术有限公司 | Video special effect generation method and terminal |
| CN113569085A (en) * | 2021-06-30 | 2021-10-29 | 北京达佳互联信息技术有限公司 | Audio and video data display method, device, equipment, storage medium and program product |
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| CN102036093A (en) * | 2010-12-27 | 2011-04-27 | Tcl集团股份有限公司 | 3D video play method and system |
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| CN103517124B (en) * | 2012-06-29 | 2016-12-21 | 鸿富锦精密工业（深圳）有限公司 | Video broadcasting method |
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| CN101600107A (en) * | 2009-07-08 | 2009-12-09 | 杭州华三通信技术有限公司 | Adjust the method, system and device of video record broadcasting speed |
| CN102036093A (en) * | 2010-12-27 | 2011-04-27 | Tcl集团股份有限公司 | 3D video play method and system |
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