CN110248250A - A kind of method and device of video playback - Google Patents
A kind of method and device of video playback Download PDFInfo
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- CN110248250A CN110248250A CN201811132626.2A CN201811132626A CN110248250A CN 110248250 A CN110248250 A CN 110248250A CN 201811132626 A CN201811132626 A CN 201811132626A CN 110248250 A CN110248250 A CN 110248250A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000012806 monitoring device Methods 0.000 description 23
- 230000035945 sensitivity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000012634 fragment Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of method and devices of video playback, the rate of effective video information is obtained for improving user, solve the wasting of resources of server and client side caused by the redundancy in process of playback of video plays, this method are as follows: server determines one or more scenes in video file, wherein, any scene includes multiple continuous key frames, and the frame-to-frame differences of continuous key frame described in any two meets setting range；The index information of one or more of scenes is sent to client by the server.
Description
Technical field
The present invention relates to technical field of video processing, in particular to a kind of method and device of video playback.
Background technique
Some video files or video file storage on the server, are checked, to obtain some for client request
The video information of period or some specified place.For example, client can request monitoring device to be monitored to server
Video information.Under normal conditions, the memory space of the occupancy of video file or video file can be bigger, when client carries out
When video playback, different video files can be played simultaneously by multiple windows, so that user faster obtains needs
Information.
In the prior art, when carrying out video playback, by being multiple by the equally spaced cutting of total time length of video
Period plays out corresponding video content of multiple periods in multiple windows.But in practical application, a time
Video content in section may have a large amount of repetition picture, can't be supplied to the true effective information of user, and regard
When frequency plays back user more concerned be effective video information, so existing video playback method is there are video playing redundancy,
Lead to the wasting of resources of server and client side.
Summary of the invention
The present invention provides a kind of method and device of video playback, and the speed of effective video information is obtained to improve user
Rate solves the wasting of resources of server and client side caused by the redundancy in process of playback of video plays.
On the one hand, the method for the present invention includes a kind of method of video playback, this method comprises:
Server determines one or more scenes in video file, wherein any scene includes multiple continuous
Key frame, the frame-to-frame differences of continuous key frame described in any two meet setting range；
The index information of one or more of scenes is sent to client by the server.
By the way that video file is carried out fragment according to scene, user's quick obtaining effective video information is enabled to, is kept away
The Video Redundancy exempted from process of playback of video plays, and effectively saves playing resource, further improves user experience.
Optionally, the server determines one or more scenes in video file, comprising:
The server obtains the video file, and the video file includes frame data；
Frame-to-frame differences is met the setting range and continuous key frame is divided by the server according to the frame data
One scene, obtains one or more of scenes.
Optionally, the index information include it is following at least one: mark, scene start time, the scene of monitoring device
End time or scene thumbnail figure.
Optionally, the method also includes:
The server receives the first request that the client is sent, and first request is for requesting the video text
Part, it is described first request in carry monitoring device at least one of mark, video time started or video end time.
Optionally, the method also includes:
The server receives the second request that the client is sent, and second request plays described one for requesting
A or multiple scenes；
The corresponding video data of one or more of scenes is sent to institute according to second request by the server
State client.
On the other hand, the present invention also provides a kind of methods of video playback, this method comprises:
Client sends the first request to the server, and first request is for requesting video file；
The client receives the index information for one or more scenes that the server returns；
It wherein, include one or more of scenes in the video file, any scene includes multiple continuous
Key frame, the frame-to-frame differences of continuous key frame described in any two meet setting range.
By the way that video file is carried out fragment according to scene, user's quick obtaining effective video information is enabled to, is kept away
The Video Redundancy exempted from process of playback of video plays, and effectively saves playing resource, further improves user experience.
Optionally, the index information include it is following at least one: mark, scene start time, the scene of monitoring device
End time or scene thumbnail figure.
Optionally, in mark, video time started or the video end time that monitoring device is carried in first request
At least one.
Optionally, if in the video file including multiple scenes, the method also includes:
The client sends the second request to the server, and second request plays one group of scene for requesting；
The client receives the video data for one group of scene that the server returns；
The client plays the video data of one group of scene in n window, and a window is corresponding to be played
One scene, the n are the integer greater than 1.
Optionally, the method also includes:
The client sends third request to the server, and the third request plays a scene for requesting；
The client receives the video data for one scene that the server returns；
The client plays out the video data of one scene.
On the other hand, the present invention also provides a kind of device of video playback, which includes:
Determination unit, for determining one or more scenes in video file, wherein any scene includes multiple
Continuous key frame, the frame-to-frame differences of continuous key frame described in any two meet setting range；
Transmission unit, for the index information of one or more of scenes to be sent to client.
Optionally, the determination unit is used for:
The video file is obtained, the video file includes frame data；
According to the frame data, frame-to-frame differences is met into the setting range and continuous key frame is divided into a scene,
Obtain one or more of scenes.
Optionally, the index information include it is following at least one: mark, scene start time, the scene of monitoring device
End time or scene thumbnail figure.
Optionally, described device further include:
Receiving unit, the first request sent for receiving the client, first request is for requesting the view
Frequency file carries at least one in the mark of monitoring device, video time started or video end time in first request
It is a.
Optionally, the receiving unit is also used to:
The second request that the client is sent is received, second request plays one or more of fields for requesting
Scape；
The transmission unit is also used to according to second request, by the corresponding video counts of one or more of scenes
According to being sent to the client.
On the other hand, the present invention also provides a kind of device of video playback, which includes:
Transmission unit, for sending the first request to the server, first request is for requesting video file；
Receiving unit, for receiving the index information for one or more scenes that the server returns；
It wherein, include one or more of scenes in the video file, any scene includes multiple continuous
Key frame, the frame-to-frame differences of continuous key frame described in any two meet setting range.
Optionally, the index information include it is following at least one: mark, scene start time, the scene of monitoring device
End time or scene thumbnail figure.
Optionally, in mark, video time started or the video end time that monitoring device is carried in first request
At least one.
Optionally, if including multiple scenes in the video file, the transmission unit is also used to: Xiang Suoshu server hair
The second request is sent, second request plays one group of scene for requesting；
The receiving unit is also used to: receiving the video data for one group of scene that the server returns；
Described device further includes broadcast unit, and the broadcast unit is used for the video data of one group of scene at n
Window plays, and a window is corresponding to play a scene, and the n is the integer greater than 1.
Optionally, the transmission unit is also used to send third request to the server, and the third request is for asking
It asks and plays a scene；
The receiving unit is also used to receive the video data for one scene that the server returns；
The broadcast unit is also used to play out the video data of one scene.
Video file is carried out fragment according to scene, user is enabled to quickly to obtain by scheme provided by the invention, server
Effective video information is taken, avoids the Video Redundancy in process of playback of video from playing, effectively saves playing resource, further mention
High user experience.
Detailed description of the invention
Fig. 1 is one of the flow diagram of method of video playback in the embodiment of the present invention；
Fig. 2 is two of the flow diagram of the method for video playback in the embodiment of the present invention；
Fig. 3 is scene index list schematic diagram in the embodiment of the present invention；
Fig. 4 is three of the flow diagram of the method for video playback in the embodiment of the present invention；
Fig. 5 is one of the structural schematic diagram of device of video playback in the embodiment of the present invention；
Fig. 6 is the second structural representation of the device of video playback in the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention provides a kind of method and device of video playback, by being divided video file according to scene
Piece enables to user's quick obtaining effective video information, the Video Redundancy in process of playback of video is avoided to play, and effectively saves
Playing resource has been saved, user experience is further improved.Wherein, method and apparatus are based on the same inventive concept, due to side
The principle that method and device solve the problems, such as is similar, therefore the implementation of apparatus and method can be with cross-reference, and overlaps will not be repeated.
At least one refers to one or more involved in the application；It is multiple, refer to two or more.In addition, it is necessary to understand
, in the description of the present application, the vocabulary such as " first ", " second " are only used for distinguishing the purpose of description, and should not be understood as referring to
Show or imply relative importance, indication or suggestion sequence can not be interpreted as.
It elaborates with reference to the accompanying drawing to the method and device of video playback provided in an embodiment of the present invention.
The present embodiments relate to video playback can be the video file of server storage is played back, can also be with
It is that the when frequency file that client is locally stored plays back.Certainly, method of the invention can also be applied to video file,
The playback of multimedia file or files in stream media.Method of the invention can be adapted for the video of any code stream type, video recording, more
Media or Streaming Media.
It describes in detail first to scene involved in the present invention.
It include video data in a video file, video data is the data of multiple frames composition, is had in multiple frames
Key frame, key frame, that is, I frame, the difference between two adjacent key frames are known as frame-to-frame differences, and frame-to-frame differences can use inter-frame difference
The algorithm of method is calculated.Wherein, the algorithm of frame differential method description for example in the prior art, details are not described herein.Video
File includes many frame pictures, the image that frame picture, that is, frame data are shown in client.Frame-to-frame differences can be used to refer to
The change degree of the change degree of multiple frame pictures, multiple frame pictures is bigger, which can more be known as active area, can more make
It is shown for effective video data to user, that is to say, that be more capable of forming scene.The concept of scene sensitivity coefficient can be defined, it should
Scene sensitivity coefficient is used to characterize the change degree of frame picture, and whether the threshold value of scene sensitivity coefficient is for determining multiple frame pictures
It can make up a scene.The threshold value of the scene sensitivity coefficient is related to frame-to-frame differences.For example, the threshold value of scene sensitivity coefficient
It is 10.Assuming that the background frame of multiple frame pictures is roughly the same, if multiple frame pictures embody be that personage enters background frame, or
Person has personage to leave background frame, then the scene sensitivity coefficient generated is likely larger than 10, for example 40, then personage enters background painting
Multiple frame pictures that face and personage leave background frame just can make up a scene.For another example leaf occurs in background frame
It shakes, the scene sensitivity coefficient of generation is likely less than 10, for example 3, then multiple frame pictures that leaf shakes cannot form one
Scene.
As shown in fig.1, for being played back to the video file that server stores, provided in an embodiment of the present invention one
The detailed process of the method for kind video playback is as described below.The continuous step of any two in process shown in FIG. 1 can structure
At the claimed scheme of the present invention, remaining step constitutes optional step.
S101, user end to server send the first request, wherein the first request is for requesting video file.
Specifically, can be carried in the first request in mark, video time started or the video end time of monitoring device
At least one.
The mark of monitoring device can be camera for identifying the monitoring device of shooting video, monitoring device, and monitoring is set
Standby mark can be the ID of camera.
S102, server determine one or more of video file after receiving the first request of client transmission
Scene.
Wherein, any scene includes multiple continuous key frames, and the frame-to-frame differences of the continuous key frame of any two, which meets, to be set
Determine range.The setting range may be greater than a threshold value or less than a threshold value or no more than a threshold value or not
Less than one threshold value.
Specifically, server after receiving the first request, according to the first request video file, and obtains the view
Frame-to-frame differences is met setting range and continuous key frame is divided into a scene by the frame data in frequency file according to frame data,
Obtain one or more scenes.
Based on the above-mentioned description to scene, a part of frame in a video file is likely to form one or more scenes,
This partial frame is valid frame, it will is sent to client to show video pictures.Another part frame not will form scene, then the portion
Framing is invalid frame, will not be sent to client.In such manner, it is possible to which the redundancy in process of playback of video is avoided to play, effectively save
Save the resource of server and client side.
The index information of determining one or more scenes is sent to client by S103, server, and client receives clothes
The index information for one or more scenes that business device returns.
Wherein, index information include it is following at least one: at the end of the mark of monitoring device, scene start time, scene
Between or scene thumbnail figure.
S104, user end to server send the second request, and the second request plays said one or multiple fields for requesting
Scape.
S105, server receive the second request that client is sent, according to the second request, by the one or more scene pair
The video data answered is sent to client.
Specifically, the second request plays one group of scene for requesting, server sends the video of one group of scene to client
Data, one group of scene include multiple scenes, and client receives the video data for one group of scene that server returns, and client will
The video data of one group of scene is played in multiple windows, wherein a window is corresponding to play a scene.When one group of scene plays
After, if video file plays not yet, client can also send the playing request of next group of scene to server.
The grouping group number of multiple scenes=(scene number+window number -1)/window number.
If playing if not grouping, client also can choose one of scene and play out, then client
Third request is sent to server, third request plays a scene for requesting, and server returns to this scene to client
Video data, client receive server return this scene video data, and by the video data of the scene carry out
It plays.
Specifically, server receive play scene second request or third request when, according to second request or
At least one of mark, scene start time or the scene end time of monitoring device carried in third request, goes to obtain
Corresponding video data, and return to client.
Based on foregoing description, below with reference to specific application scenarios, as shown in Fig. 2, to view provided by the embodiments of the present application
The method of frequency playback does further detailed description.
S201, client connect server, pass through known username and password login service device.
S202, client receive the operation instruction of user, and monitoring device, the video of user's selection are determined according to operation instruction
Time started and video end time.
S203, user end to server send request, for requesting video file.
It include at least one of mark, video time started or the video end time of monitoring device in the request.
After S204, server receive the request of client transmission, obtain within the scope of the specified time under the monitoring device
Video file, by video file according to scene carry out fragment, form multiple scenes.
Specified time range is video time started and video end time to determine.The index of multiple scenes can be formed
One list, it is assumed that be called scene index list.It include the index information of multiple scenes, index information example in scene index list
It such as can be scene start time, scene end time, monitoring device mark or scene thumbnail figure.
Specifically, illustrative, scene index list is as shown in figure 3, include three in scene index list shown in Fig. 3
Scene shows with three thumbnails, wherein at the end of showing scene start time and the scene of the scene under each thumbnail
Between.Thumbnail is frame picture represented by a key frame under the scene.
Scene index list is sent to client by S205, server, and client receives the scene index that server is sent
List.
S206, client receive the play operation instruction of user, and user end to server request play operation instruction is asked
Seek the scene of broadcasting.
S207, server return to the corresponding video data of scene to client, and client receives after video data to corresponding
Scene play out.
Specifically, client can request to play a scene, for example, user clicks one of them interested breviary
The corresponding playing request of the thumbnail is just sent to server by figure, client, which plays the breviary for requesting
Scheme the video data of corresponding scene.
Client can also request to play multiple scenes, and when request plays multiple scenes, multiple scenes can be by more
A window plays parallel, and a window plays the video data of a scene, if multiple windows that one screen of active client is shown
All scenes can not be played, it is also an option that grouping plays, one group of multiple scene of broadcasting, when playing this group of scene
Afterwards, can continue to play next group.Specifically, multiple scenes are grouped sequentially in time, packet count=(scene number+window
Mouth number -1)/window number.For example, client has 4 windows can play, the quantity of current multiple scenes is 7, then packet count
=(7+4-1)/4=2, it is meant that be segmented into two groups and play out, first group is 1~scene of scene 4 in 1~window of window 4
Middle broadcasting；Second group is that 5~scene of scene 7 plays in 1~window of window 3, naturally it is also possible in 1~window of window 4
It is played in any three windows.Sequentially in time, first group is first played, then plays second group, alternatively, asking according to client
It asks to select playing sequence.
As shown in figure 4, for being played back to the video file that client is locally stored, it is provided in an embodiment of the present invention
The detailed process of the method for another video playback is as described below.
S401, client obtain video file.
S402, client determine one or more scenes in video file.
Wherein, any scene includes multiple continuous key frames, and the frame-to-frame differences of the continuous key frame of any two, which meets, to be set
Determine range.The setting range may be greater than a threshold value or less than a threshold value or no more than a threshold value or not
Less than one threshold value.
Specifically, frame-to-frame differences will be met setting range and continuous pass according to the frame data in video file by client
Key frame is divided into a scene, obtains one or more scenes.Based on the above-mentioned description to scene, in a video file one
Partial frame is likely to form one or more scenes, this partial frame is valid frame, and valid frame will be shown as video picture by client
Face.Another part frame not will form scene, then the partial frame is invalid frame, and client will not play.In such manner, it is possible to avoid regarding
Redundancy in frequency replayed section plays, and effectively saves the resource of client.
The one or a set of scene of S403, client terminal playing.
Specifically, client can be according to the index of scene, to determine one or a set of scene of broadcasting.
If one scene of client terminal playing, client obtains the video data of this scene, and by the view of the scene
Frequency evidence plays out.
If one group of scene of client terminal playing, client obtains the video data of one group of scene, and one group of scene includes multiple
Scene, client play the video data of one group of scene in multiple windows, wherein a window is corresponding to play a scene.
After one group of scene finishes, if video file plays not yet, client can also send next group to server
The playing request of scene.The grouping group number of multiple scenes=(scene number+window number -1)/window number.
Based on the same inventive concept with above method embodiment, as shown in figure 5, the present invention also provides a kind of videos to return
The device 500 put, the device 500 of the video playback include determination unit 501, transmission unit 502, in which:
Determination unit 501, for determining one or more scenes in video file, wherein any scene includes multiple
The frame-to-frame differences of continuous key frame, the continuous key frame of any two meets setting range；
Transmission unit 502, for the index information of one or more scenes to be sent to client.
Optionally, determination unit 501 is used for:
Video file is obtained, video file includes frame data；
According to frame data, frame-to-frame differences is met into setting range and continuous key frame is divided into a scene, obtains one
Or multiple scenes.
Optionally, index information include it is following at least one: mark, scene start time, the scene of monitoring device terminate
Time or scene thumbnail figure.
Optionally, the device of the video playback further includes receiving unit 503:
Receiving unit 503, for receiving the first request of client transmission, first is requested for requesting video file, the
At least one of mark, video time started or the video end time of monitoring device are carried in one request.
Optionally, receiving unit 503 is also used to:
The second request that client is sent is received, the second request plays one or more scenes for requesting；
Transmission unit 502 is also used to that the corresponding video data of one or more scenes is sent to visitor according to the second request
Family end.
Based on the same inventive concept with above method embodiment, as shown in fig. 6, the present invention also provides a kind of videos to return
The device 600 put, the device include transmission unit 601, receiving unit 602:
Transmission unit 601, for sending the first request to server, the first request is for requesting video file；
Receiving unit 602, the index information of one or more scenes for receiving server return；
It wherein, include one or more scenes in video file, any scene includes multiple continuous key frames, and any two
The frame-to-frame differences of a continuous key frame meets setting range.
Optionally, index information include it is following at least one: mark, scene start time, the scene of monitoring device terminate
Time or scene thumbnail figure.
Optionally, it is carried in the first request in mark, video time started or the video end time of monitoring device extremely
It is one few.
Optionally, if including multiple scenes in video file, transmission unit 601 is also used to: being sent second to server and is asked
It asks, the second request plays one group of scene for requesting；
Receiving unit 602 is also used to: receiving the video data for one group of scene that server returns；
Device further includes broadcast unit 603, and broadcast unit 603 is for broadcasting the video data of one group of scene in n window
It puts, a window is corresponding to play a scene, and n is the integer greater than 1.
Optionally, transmission unit 601 is also used to send third request to server, and third request plays one for requesting
Scene；
Receiving unit 602 is also used to receive the video data of a scene of server return；
Broadcast unit 603 is also used to play out the video data of a scene.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (12)
1. a kind of method of video playback characterized by comprising
Server determines one or more scenes in video file, wherein any scene includes multiple continuous keys
Frame, the frame-to-frame differences of continuous key frame described in any two meet setting range；
The index information of one or more of scenes is sent to client by the server.
2. the method as described in claim 1, which is characterized in that the server determines one or more fields in video file
Scape, comprising:
The server obtains the video file, and the video file includes frame data；
Frame-to-frame differences is met the setting range and continuous key frame is divided into one by the server according to the frame data
Scene obtains one or more of scenes.
3. method according to claim 1 or 2, which is characterized in that the method also includes:
The server receives the second request that the client is sent, second request for request to play it is one or
Multiple scenes；
The corresponding video data of one or more of scenes is sent to the visitor according to second request by the server
Family end.
4. a kind of method of video playback characterized by comprising
Client sends the first request to the server, and first request is for requesting video file；
The client receives the index information for one or more scenes that the server returns；
It wherein, include one or more of scenes in the video file, any scene includes multiple continuous keys
Frame, the frame-to-frame differences of continuous key frame described in any two meet setting range.
5. method as claimed in claim 4, which is characterized in that if in the video file including multiple scenes, the method
Further include:
The client sends the second request to the server, and second request plays one group of scene for requesting；
The client receives the video data for one group of scene that the server returns；
The client plays the video data of one group of scene in n window, and a window is corresponding to play one
The scene, the n are the integer greater than 1.
6. method as claimed in claim 4, which is characterized in that the method also includes:
The client sends third request to the server, and the third request plays a scene for requesting；
The client receives the video data for one scene that the server returns；
The client plays out the video data of one scene.
7. a kind of device of video playback characterized by comprising
Determination unit, for determining one or more scenes in video file, wherein any scene includes multiple continuous
Key frame, the frame-to-frame differences of continuous key frame described in any two meets setting range；
Transmission unit, for the index information of one or more of scenes to be sent to client.
8. device as claimed in claim 7, which is characterized in that the determination unit is used for:
The video file is obtained, the video file includes frame data；
According to the frame data, frame-to-frame differences is met into the setting range and continuous key frame is divided into a scene, is obtained
One or more of scenes.
9. device as claimed in claim 7 or 8, which is characterized in that the receiving unit is also used to:
The second request that the client is sent is received, second request plays one or more of scenes for requesting；
The transmission unit is also used to according to second request, by the corresponding video data transmitting of one or more of scenes
Give the client.
10. a kind of device of video playback characterized by comprising
Transmission unit, for sending the first request to the server, first request is for requesting video file；
Receiving unit, for receiving the index information for one or more scenes that the server returns；
It wherein, include one or more of scenes in the video file, any scene includes multiple continuous keys
Frame, the frame-to-frame differences of continuous key frame described in any two meet setting range.
11. device as claimed in claim 10, which is characterized in that if in the video file including multiple scenes, the hair
Send unit to be also used to: Xiang Suoshu server sends the second request, and second request plays one group of scene for requesting；
The receiving unit is also used to: receiving the video data for one group of scene that the server returns；
Described device further includes broadcast unit, and the broadcast unit is used for the video data of one group of scene in n window
It plays, a window is corresponding to play a scene, and the n is the integer greater than 1.
12. device as claimed in claim 10, which is characterized in that the transmission unit is also used to send the to the server
Three requests, the third request play a scene for requesting；
The receiving unit is also used to receive the video data for one scene that the server returns；
The broadcast unit is also used to play out the video data of one scene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132626.2A CN110248250A (en) | 2018-09-27 | 2018-09-27 | A kind of method and device of video playback |
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| CN1665293A (en) * | 2004-03-05 | 2005-09-07 | 索尼公司 | Apparatus and method for reproducing image |
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