CN101527690A - Method for intercepting dynamic image, system and device thereof - Google Patents

Method for intercepting dynamic image, system and device thereof Download PDF

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Publication number
CN101527690A
CN101527690A CN200910081843A CN200910081843A CN101527690A CN 101527690 A CN101527690 A CN 101527690A CN 200910081843 A CN200910081843 A CN 200910081843A CN 200910081843 A CN200910081843 A CN 200910081843A CN 101527690 A CN101527690 A CN 101527690A
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intercepting
image
configuration parameter
video interception
video
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CN101527690B (en
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宋雷
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Tencent Technology Beijing Co Ltd
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Tencent Technology Beijing Co Ltd
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Priority to PCT/CN2009/075597 priority patent/WO2010118611A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/04Real-time or near real-time messaging, e.g. instant messaging [IM]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Processing Or Creating Images (AREA)

Abstract

The present invention discloses a method for intercepting a dynamic image, wherein the method comprises the following steps: obtaining an video interception request which is initialized from a user by a client; intercepting the image corresponding with a specified time according to the preset configuration parameter and the specified time in the video interception request, and controlling the intercepted image generating the intercepted video required by the user according to the configuration parameter. The invention also discloses a system and a device for intercepting the dynamic image. The video interception based on IM is realized. The defect that the screen image interception function can not intercept the content of video player is compensated. The invention satisfies the requirement of real-time intercepting and transmission of the image in video, and production into IM expression by the user. Furthermore the user can control the process of whole video interception through the configuration parameter thereby increasing the experience degree of user.

Description

A kind of method, system and equipment that intercepts dynamic image
Technical field
The present invention relates to the sectional drawing technology in the instant messaging, relate in particular to a kind of method, system and equipment that intercepts dynamic image.
Background technology
Along with popularizing of the Internet, instant messaging (IM, Instant Message) become a kind of indispensable network communication mode, present IM instrument can provide the function of the online processing of a series of instant messages such as comprising real-time messages transmitting-receiving, state demonstration, voice/video, file transfer, file-sharing, remote assistance and screenshot capture.Wherein, screenshot capture is meant the user in using IM instrument and process that the good friend exchanges, intercepts content on the local screen with the form of picture; The picture that is truncated to can pass to the good friend, also can copy in the IM expression storehouse, makes things convenient for the user to use in the future.
The user is using IM instrument and good friend to chat in the communication, can movie etc. video file, perhaps carry out Online Video.In this process, the user wish sometimes will be in the in progress video a relatively more excellent moment, or a plurality of continuous action intercepts with the good friend and shares; Perhaps wish a splendid moment of intercepting or a plurality of continuous action from video, and compile the IM expression, use in the future with convenient.Usually, will be called video interception to the intercept operation of splendid moment in the video content or several successive action.
Yet the screenshot capture function that existing IM instrument is provided can't successfully intercept the content of video player the inside, also just can't satisfy the user carries out video interception in the process of use IM instrument demand.In addition, can be in the prior art by dynamic sectional drawing instrument intercepting animation, the intercepting video of special use, but the content of intercepting all is with Audio Video Interleaved form (AVI usually, Audio Video Interleaved) form of video file storage such as, this also can't satisfy IM user wish will intercepting content stores become IM expression, the perhaps demand that directly in session, sends in the mode of picture to the good friend.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method, system and equipment that intercepts dynamic image, can't realize the problem of video interception to solve existing IM instrument.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method that intercepts dynamic image, this method comprises:
Client is obtained the request of Client-initiated video interception;
Described client intercepts the image of described fixed time correspondence according to default configuration parameter and the fixed time in the described video interception request, and according to the required video interception of the described configuration parameter control truncated picture generation user of institute.
Fixed time in the described video interception request is time point or time period.
The described fixed time is when being the time period, the image of intercepting fixed time correspondence, and control generation video interception is: described client is according to default configuration parameter, in video memory, extract the image of a plurality of frames the animated content of described time period correspondence, and the expression file that becomes the IM expression to support the picture editting of a plurality of frames of being extracted;
The described fixed time is when being time point, the image of intercepting fixed time correspondence, and control generates video interception and is: the moment image of described client time point correspondence of intercepting appointment in the video memory, and the picture format of presetting in unprocessed form and the described configuration parameter with the moment image of intercepting compares, if both unanimities then directly generate the required video interception of user; If both are inconsistent, then the moment image that is intercepted is converted to picture format default in the described configuration parameter by unprocessed form, to generate the required video interception of user.
Described configuration parameter comprises: the size of the duration of intercepting, truncated picture quality, expression file and the frequency of timing extraction animation.
The present invention also provides a kind of system that intercepts dynamic image, and this system comprises:
Client is used for intercepting the image of described fixed time correspondence according to the default configuration parameter and the fixed time of Client-initiated video interception request, and according to the required video interception of the described configuration parameter control truncated picture generation user of institute;
Server, being used to provides service between the described client alternately, and transmits the session information between the described client.
Described client further comprises:
The IM conversation module is used to provide the IM between the client conversational services;
The video interception administration module is used to store described configuration parameter, and described configuration parameter is managed;
The video interception module, be used for default configuration parameter of basis and user fixed time by the video interception request of described IM conversation module initiation, the image of intercepting fixed time correspondence in the video memory, and generate the required video interception of user according to described configuration parameter control institute truncated picture and offer described IM conversation module;
Communication module, being used to provides interface between described IM conversation module and the video interception module alternately.
The present invention also provides a kind of equipment that intercepts dynamic image, and this equipment comprises:
The IM conversation module is used to provide the IM between the client conversational services;
The video interception administration module is used for storage configuration parameter, and described configuration parameter is managed;
The video interception module, be used for default configuration parameter of basis and user fixed time by the video interception request of described IM conversation module initiation, intercept the image of fixed time correspondence, and offer described IM conversation module according to the required video interception of the described configuration parameter control truncated picture generation user of institute;
Communication module, being used to provides interface between described IM conversation module and the video interception module alternately.
Described video interception module also is used for: during at the appointed time for the time period, according to default configuration parameter, extract the image of a plurality of frames the animated content of described time period correspondence in video memory; When at the appointed time being time point, the moment image of the time point correspondence of intercepting appointment in the video memory.
This equipment further comprises: the picture format modular converter, be used for the intercepting be moment image the time, the picture format of presetting in unprocessed form and the described configuration parameter with the moment image of intercepting compares, and when both are inconsistent, the moment image that is intercepted is converted to picture format default in the described configuration parameter by unprocessed form.
This equipment further comprises: the expression edition module, be used for intercepting be the image of a plurality of frames the time, the expression file that becomes the IM expression to support the picture editting of a plurality of frames of being extracted.
The method of intercepting dynamic image provided by the present invention, system and equipment carry out in the process of IM session in client, obtain the request of Client-initiated video interception; According to default configuration parameter and the fixed time in the video interception request, the image of intercepting fixed time correspondence in the video memory, and generate the required video interception of user according to institute's truncated picture.The present invention has realized the video interception based on IM, and the screenshot capture function that has remedied prior art can't intercept the defective of video player content.The present invention has satisfied the instant intercepting of user for image in the video, the instant transmission, and be made into the needs of IM expression; The intercepting content is unfixing, and the user can freely choose the truncated picture content of wanting; The intercepting zone is fixing, and the user can freely select to want the zone and the scope that intercept; And the user can control the process of whole video interception by configuration parameter, thereby has increased user's Experience Degree.
Description of drawings
Fig. 1 is a kind of flow chart that intercepts the method for dynamic image of the present invention;
Fig. 2 is for carrying out the intercepting animation operational flowchart of moment among the present invention;
Fig. 3 is for carrying out the operational flowchart of intercepting continuous animation among the present invention;
Fig. 4 is a kind of composition structural representation that intercepts the system of dynamic image of the present invention.
Embodiment
The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.
A kind of method that intercepts dynamic image provided by the present invention as shown in Figure 1, mainly may further comprise the steps:
Step 101, client are obtained the request of Client-initiated video interception.
Client among the present invention can be the various terminal equipments that can carry out instant messaging, for example: personal computer (PC, Personal Computer), personal digital assistant (PDA, Personal DigitalAssistant), mobile phone (MP, Mobile Phone) or the like.
The user uses IM instrument and good friend to carry out in the process of IM session on client, and simultaneously video file such as movie perhaps carries out Online Video; At this moment, if the user need intercept a splendid moment or a plurality of continuous action in the in progress video, then can select corresponding video interception operation, to initiate the video interception request to client by the actions menu on the user interface.
It is to be noted, intercept a splendid moment in the video if desired, then the user can select the operation of moment of intercepting animation by actions menu, triggers client and enters the intercepting animation operating process of moment, and carry the time point of user's appointment in the video interception request of initiating; The animation residing position of moment that the time point of this appointment need intercept in order to inform client.In actual applications, the user can utilize mouse to double-click the picture in the in progress video on the screen, with the time point of animation moment of need obtaining intercepting.For example: the user need intercept the picture A in the video, then when video playback arrives picture A, utilizes mouse to double-click picture A, to obtain picture A time corresponding point.
Intercept a plurality of continuous actions in the video if desired, then the user can select the operation of intercepting continuous animation by actions menu, trigger the operating process that client enters the intercepting continuous animation, and in the video interception request of initiating, carry the time period of user's appointment; The residing position range of continuous animation that the time period of this appointment need intercept in order to inform client.In actual applications, the user can utilize mouse to double-click the picture in the in progress video on the screen for twice, needs the time period of the continuous animation of intercepting with acquisition.So-called twice double-click promptly is meant the start time point of double-clicking the definite continuous animation that need intercept of mouse the first time, double-clicks the concluding time point of definite continuous animation that need intercept once more.For example: the user need intercept picture A in the video and the continuous animation between the picture B, then in video playback in the picture A, utilize mouse to double-click picture A, to obtain picture A time corresponding point (start time point); When video playback arrives picture B, utilize mouse to double-click picture B again, to obtain picture B time corresponding point (concluding time point).Thereby by the time period between twice double-click acquisition picture A and the picture B.
Step 102, client intercept the image of fixed time correspondence according to default configuration parameter and the fixed time in the video interception request, and generate the required video interception of user according to configuration parameter control institute truncated picture.
If what the user triggered that client enters by actions menu is the intercepting animation operating process of moment, then client is carried out the intercepting animation operating process of moment according to the time point of appointment in default configuration parameter and the video interception request; If what the user triggered that client enters is the operating process of intercepting continuous animation, then client is carried out the operating process of intercepting continuous animation according to the time period of appointment in default configuration parameter and the video interception request.The operation of intercepting animation moment and intercepting continuous animation can realize by the mode of DirectX.
Wherein, client executing intercepts the animation operating process of moment, as shown in Figure 2, mainly may further comprise the steps:
The pairing moment image of time point of step 201, client intercepting appointment in the video memory.
Client is according to the time point of appointment in the request of Client-initiated video interception, the pairing moment image of time point of this appointment of intercepting in the video memory.For example: the time point of appointment is 5 minutes and 10 seconds in the video interception request, and then client intercepts corresponding 5 minutes and 10 seconds these moment image constantly the in progress video file in video memory.
Step 202, client compares the picture format of presetting in unprocessed form and the configuration parameter of the moment image of intercepting, if both unanimities, then execution in step 203; If both are inconsistent, then execution in step 204.
In the present invention, the moment image of client intercepting has a unprocessed form, and this unprocessed form can be a system default.The user can be according to actual needs, the picture format that default user need obtain in configuration parameter, after treating that client is truncated to moment image, picture format default in the unprocessed form of moment image and the configuration parameter is compared, if both unanimities, the moment image that then shows intercepting meets the desired picture format of user, and then execution in step 203; If both are inconsistent, show that then the moment image of intercepting does not meet the desired picture format of user, and then execution in step 204.
Step 203 directly generates the required video interception of user.
When the picture format of presetting in the unprocessed form of judging moment image and configuration parameter was consistent, client sent to IM dialog box on the user interface with this moment image as video interception; And then according to the operational order that the user sends by the IM dialog box, video interception can be stored in the IM expression storehouse, also video interception directly can be sent to the opposite end of IM session.
Step 204 is converted to picture format default in the configuration parameter with the moment image that is intercepted by unprocessed form, to generate the required video interception of user.
When the picture format of presetting in the unprocessed form of judging moment image and configuration parameter is inconsistent, client is converted in the configuration parameter default picture format with moment image by unprocessed form, and the video interception that obtains after the format conversion is sent to IM dialog box on the user interface; And then according to the operational order that the user sends by the IM dialog box, video interception can be stored in the IM expression storehouse, also video interception directly can be sent to the opposite end of IM session.
It is pointed out that therefore, the present invention can realize the operation of image format conversion by the storehouse CxImage that increases income because the storehouse CxImage that increases income can provide the translation function between the various picture formats.The picture format that can change comprises: bmp, jpg, png, tif, gif or the like.
The operating process of client executing intercepting continuous animation as shown in Figure 3, mainly may further comprise the steps:
Step 301, client be according to the time period of appointment in default configuration parameter and the video interception request, extracts the image of a plurality of frames should the animated content of time period correspondence in video memory.
Default configuration parameter can comprise: the size of the duration of intercepting, truncated picture quality, expression file and the frequency of timing extraction animation.These configuration parameters can be by the system default setting, also can be by the User Defined setting.Because the frequency of duration, truncated picture quality and the timing extraction animation of intercepting can influence the size of expression file, and big or small restricted to expression file in the practical application, so the frequency of duration, truncated picture quality and the timing extraction animation of the intercepting of User Defined setting, the size that need satisfy expression file does not exceed the condition of the predetermined upper limit.
Client is according to the frequency of the timing extraction animation in the configuration parameter, the image of a plurality of frames of timing extraction the animated content of the time period correspondence of this appointment in video memory; The image of a plurality of frames that extract need satisfy the requirement of configuration parameter to picture quality; In addition, the time period of appointment can not exceed the duration that intercepts in the configuration parameter.
Step 302, the expression file that client becomes the IM expression to support the picture editting of a plurality of frames of being extracted.
Client can be by the use storehouse CxImage that increases income, and the image of a plurality of frames of extracting is made up, and generates the expression file that the IM expression is supported, for example: the gif animation file.Subsequently, client sends to IM dialog box on the user interface with the IM expression file that generates; And then according to the operational order that the user sends by the IM dialog box, the IM expression file can be stored in the IM expression storehouse, also the IM expression file directly can be sent to the opposite end of IM session.
In sum, the method for intercepting dynamic image of the present invention can be fully realizes in the IM tool interior, need not by the dynamic sectional drawing instrument of special use etc., thereby strengthened the interactive function of IM, increased the Experience Degree of user in the IM conversation procedure.
Be the method for the intercepting dynamic image of realizing the invention described above, the present invention also provides a kind of system that intercepts dynamic image, and as shown in Figure 4, this system is made up of interconnective client 10 and server 20.Client 10, be used for conversation procedure at IM, according to default configuration parameter and the fixed time in the request of Client-initiated video interception, the image of intercepting fixed time correspondence, and according to the required video interception of the truncated picture generation user of configuration parameter control institute.Server 20, being used to provides service between the client 10 alternately, and transmits the session information between the client 10.Server 20 typically can be an IM server, but server 20 of the present invention is not defined as the server of certain particular type.
A kind of equipment that intercepts dynamic image provided by the present invention, promptly the internal structure of client 10 comprises: IM conversation module 11, video interception administration module 12, video interception module 13 and communication module 14.IM conversation module 11 is used to provide the conversational services of the IM between the client 10.Video interception administration module 12 is used for storage configuration parameter, and configuration parameter is managed.Video interception module 13, connect video interception administration module 12, be used for default configuration parameter of basis and user fixed time by the video interception request of IM conversation module 11 initiations, the image of intercepting fixed time correspondence in the video memory, and generate the required video interception of user according to configuration parameter control institute truncated picture and offer IM conversation module 11.It is pointed out that if the fixed time in the video interception request is a time point, then the moment image of video interception module 13 time point correspondence of intercepting appointment in the video memory; If the fixed time in the video interception request is the time period, then video interception module 13 is according to default configuration parameter, extracts the image of a plurality of frames should the animated content of time period correspondence in video memory.Communication module 14 connects IM conversation module 11 and video interception module 13, and being used to provides interface between IM conversation module 11 and the video interception module 13 alternately.Communication module 14 be for system on the logic framework separation and the middle layer module that is provided with, it can be by the mode of interface and message, IM conversation module 11 and calling of video interception module 13 are encapsulated, and then realize calling of IM conversation module 11 and 13 pairs of communication module 14 interfaces of video interception module.
As a preferred embodiment of the present invention, a kind of equipment that intercepts dynamic image provided by the present invention, on the basis of above-mentioned module, further comprise: picture format modular converter 15, connect video interception module 13, be used for the intercepting be moment image the time, default picture format in unprocessed form and the configuration parameter of the moment image of intercepting is compared, and when both are inconsistent, the moment image that is intercepted is converted to the picture format of presetting in the configuration parameter by unprocessed form.
As another preferred embodiment of the present invention, a kind of equipment that intercepts dynamic image provided by the present invention, on the basis of above-mentioned module, further comprise: expression edition module 16, connect video interception module 13, be used for intercepting be the image of a plurality of frames the time, the expression file that becomes the IM expression to support the picture editting of a plurality of frames of being extracted.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.

Claims (10)

1, a kind of method that intercepts dynamic image is characterized in that, this method comprises:
Client is obtained the request of Client-initiated video interception;
Described client intercepts the image of described fixed time correspondence according to default configuration parameter and the fixed time in the described video interception request, and according to the required video interception of the described configuration parameter control truncated picture generation user of institute.
According to the method for the described intercepting dynamic image of claim 1, it is characterized in that 2, the fixed time in the described video interception request is time point or time period.
3, according to the method for the described intercepting dynamic image of claim 2, it is characterized in that,
The described fixed time is when being the time period, the image of intercepting fixed time correspondence, and control generation video interception is: described client is according to default configuration parameter, in video memory, extract the image of a plurality of frames the animated content of described time period correspondence, and the expression file that becomes the IM expression to support the picture editting of a plurality of frames of being extracted;
The described fixed time is when being time point, the image of intercepting fixed time correspondence, and control generates video interception and is: the moment image of described client time point correspondence of intercepting appointment in the video memory, and the picture format of presetting in unprocessed form and the described configuration parameter with the moment image of intercepting compares, if both unanimities then directly generate the required video interception of user; If both are inconsistent, then the moment image that is intercepted is converted to picture format default in the described configuration parameter by unprocessed form, to generate the required video interception of user.
According to the method for the described intercepting dynamic image of claim 3, it is characterized in that 4, described configuration parameter comprises: the size of the duration of intercepting, truncated picture quality, expression file and the frequency of timing extraction animation.
5, a kind of system that intercepts dynamic image is characterized in that, this system comprises:
Client is used for intercepting the image of described fixed time correspondence according to the default configuration parameter and the fixed time of Client-initiated video interception request, and according to the required video interception of the described configuration parameter control truncated picture generation user of institute;
Server, being used to provides service between the described client alternately, and transmits the session information between the described client.
According to the system of the described intercepting dynamic image of claim 5, it is characterized in that 6, described client further comprises:
The IM conversation module is used to provide the IM between the client conversational services;
The video interception administration module is used to store described configuration parameter, and described configuration parameter is managed;
The video interception module, be used for default configuration parameter of basis and user fixed time by the video interception request of described IM conversation module initiation, the image of intercepting fixed time correspondence in the video memory, and generate the required video interception of user according to described configuration parameter control institute truncated picture and offer described IM conversation module;
Communication module, being used to provides interface between described IM conversation module and the video interception module alternately.
7, a kind of equipment that intercepts dynamic image is characterized in that, this equipment comprises:
The IM conversation module is used to provide the IM between the client conversational services;
The video interception administration module is used for storage configuration parameter, and described configuration parameter is managed;
The video interception module, be used for default configuration parameter of basis and user fixed time by the video interception request of described IM conversation module initiation, intercept the image of fixed time correspondence, and offer described IM conversation module according to the required video interception of the described configuration parameter control truncated picture generation user of institute;
Communication module, being used to provides interface between described IM conversation module and the video interception module alternately.
8, according to the equipment of the described intercepting dynamic image of claim 7, it is characterized in that, described video interception module also is used for: during at the appointed time for the time period, according to default configuration parameter, extract the image of a plurality of frames the animated content of described time period correspondence in video memory; When at the appointed time being time point, the moment image of the time point correspondence of intercepting appointment in the video memory.
9, the equipment of described according to Claim 8 intercepting dynamic image, it is characterized in that, this equipment further comprises: the picture format modular converter, be used for the intercepting be moment image the time, the picture format of presetting in unprocessed form and the described configuration parameter with the moment image of intercepting compares, and when both are inconsistent, the moment image that is intercepted is converted to picture format default in the described configuration parameter by unprocessed form.
10, the equipment of described according to Claim 8 intercepting dynamic image, it is characterized in that, this equipment further comprises: the expression edition module, be used for intercepting be the image of a plurality of frames the time, the expression file that becomes the IM expression to support the picture editting of a plurality of frames of being extracted.
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