CN105763925A - Video recording method and device for presentation files - Google Patents
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- CN105763925A CN105763925A CN201410790378.6A CN201410790378A CN105763925A CN 105763925 A CN105763925 A CN 105763925A CN 201410790378 A CN201410790378 A CN 201410790378A CN 105763925 A CN105763925 A CN 105763925A
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Abstract
The embodiment of the invention discloses a video recording method and a device for presentation files. A presentation file is composed of a plurality of pages. The method comprises the steps of during the video recording process, monitoring the operation condition of the presentation file; upon monitoring the condition that the presentation file is switched from a first page to a second page, acquiring the page identifier information and the timestamp of the second page, wherein the timestamp is composed of the time offset from the starting time point of the video recording process to the current time point; storing the corresponding relationship between the page identifier information and the timestamp. In this way, when a video player is playing the above video, a prompt message is generated based on the stored information of the above corresponding relationship. After that, the prompt message is supplied to a user. The prompt message is used for positioning the contect of a to-be-checked particular page identifier during the video playing process. According to the technical scheme of the invention, the user can quickly and accurately find out the to-be-checked content.
Description
Technical field
The present invention relates to video record technical field, particularly to PowerPoint video recording method and device.
Background technology
PowerPoint (PPT, PowerPoint) use is current always very prevailing, particularly in the scenes such as some meetings, classroom, lecture, spokesman or lecturer etc. mostly can rely on the PowerPoint file editted in advance and carry out making a speech or explaining.But these scenes are typically all for fixing number, for instance, teacher uses PowerPoint to teach in classroom, for simply classroom in student.In order to make more people understand the content of meeting, classroom, lecture etc., or hear out people's revision after speech, explanation terminate of speech, explanation, it will usually according to PowerPoint file, explanation, speech content recordal are become video.
But when watching PowerPoint video, user would generally be unintelligible because of understanding, or misses the situations such as certain period content, it is necessary to some content is reviewed, also sometimes user it should be understood that content need F.F. to watch.But, user is reviewing or during F.F., the time watching content can only be remembered, then progress bar could be adjusted Position Approximate, the inaccuracy of operation during due to the incorrect of time or adjustment, generally require trial many times and just can find correct content, if it is not known that approximate time, just can only blind select, for the video that time is longer, want to find correct content to be approximately equivalent to heavily read through video, extremely lose time.
In a word, user is recorded by prior art, viewing PowerPoint video time, the F.F. provided the user or look back function can not make user's finding quickly and accurately want the content of viewing.So solving the technical problem that in the urgent need to those skilled in the art and being that, how to allow user can find the content needing to check fast, accurately.
Summary of the invention
Based on the problems referred to above, the embodiment of the invention discloses PowerPoint video recording method and device, it is possible to help user to find the content needing to check fast, accurately.Technical scheme is as follows:
A kind of PowerPoint video recording method, described PowerPoint includes multiple page, and described method may include that
In the process that PowerPoint is carried out video record, monitor described PowerPoint by operational circumstances；
When monitoring described PowerPoint and being switched to second page from first page, obtaining page identification information and the timestamp of described second page, described timestamp is from recording the start time point time offset to current point in time；
Store the corresponding relation between described page identification information and described timestamp, so that when video player plays described video, the described correspondence relationship information utilizing storage generates information, and it is supplied to user, when described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
Optionally, the described PowerPoint of described monitoring be may include that by operational circumstances
Monitoring is for showing the instruction performed by application program of described PowerPoint, and described instruction includes page layout switch instruction, when monitoring described application program and performing page layout switch instruction, it is determined that described PowerPoint is switched to second page from first page；
Or,
The screen state of described PowerPoint is shown in monitoring, when monitoring screen state and changing, it is determined that described PowerPoint is switched to second page from first page；
Or,
The operational motion of monitoring external input device, when monitoring external input device and performing page turn over operation, it is determined that described PowerPoint is switched to second page from first page.
Optionally, before the page identification information obtaining described PowerPoint second page and timestamp, also include:
When monitoring after described PowerPoint is switched to second page from first page, it is judged that whether the described second page projection time reaches threshold value, if reaching, then triggers the step of page identification information and the timestamp performing the described PowerPoint second page of described acquisition.
Optionally, the page identification information of the described second page of described acquisition may include that
In the process of show presentation manuscript second page, capture screen content, generate the thumbnail showing content about described second page according to the screen content grabbed, described thumbnail is defined as the page identification information of described second page；
And/or,
Obtain the page sequence number of described second page, described page sequence number is defined as the page identification information of described second page；
And/or,
Obtain the title of described second page, described title is defined as the page identification information of described second page.
Optionally, the described corresponding relation of described storage may include that
Generate the configuration file of described video, described corresponding relation is stored in configuration file, in order in video process described in described player plays, from described configuration file, obtain described corresponding relation；
Or,
Described corresponding relation is stored in the field that video file is reserved, in order in video process described in described player plays, from described reserved field, obtain described corresponding relation.
Disclosed herein as well is a kind of PowerPoint video broadcasting method, in the process recording described video, when monitoring described PowerPoint and being switched to second page from first page, store the corresponding relation between the page identification information of described second page and described timestamp, described timestamp is that described method may include that from recording the start time point time offset to switching action time of origin point
In described video display process, read the corresponding relation of described storage；
Information is generated, it is provided that to user, in order to user selects the content needing to check according to described information according to described corresponding relation；When described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
Optionally, it is also possible to including:
Generate according to described information and select operation entry；
Received the selection instruction of user by described selection operation entry after, it is determined that the page iden-tity of the page to be viewed；
Page iden-tity according to the described page to be viewed and the corresponding relation of described storage, it is determined that the timestamp that the described page to be viewed is corresponding；
According to described timestamp, the time offset place that described video jumps to correspondence plays out.
Disclosed herein as well is a kind of PowerPoint video recording device, it is possible to including:
Described PowerPoint includes multiple page, and described device includes:
PowerPoint monitoring unit, in the process that PowerPoint is carried out video record, monitor described PowerPoint by operational circumstances；
Page identification information and timestamp acquiring unit, for when monitoring described PowerPoint and being switched to second page from first page, obtaining page identification information and the timestamp of described second page, described timestamp is from recording the start time point time offset to current point in time；
Correspondence relation storage, for storing the corresponding relation between described page identification information and described timestamp, so that when video player plays described video, the described correspondence relationship information utilizing storage generates information, and it is supplied to user, when described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
Optionally, described PowerPoint monitoring unit includes:
Instruction monitoring subelement, for monitoring the instruction performed by the application program for showing described PowerPoint, described instruction includes page layout switch instruction, when monitoring described application program and performing page layout switch instruction, it is determined that described PowerPoint is switched to second page from first page；
Or,
Screen state monitoring subelement, for monitoring the screen state showing described PowerPoint, when monitoring screen state and changing, it is determined that described PowerPoint is switched to second page from first page；
Or,
Input equipment monitoring subelement, for monitoring the operational motion of external input device, when monitoring external input device and performing page turn over operation, it is determined that described PowerPoint is switched to second page from first page.
Optionally, also include:
Projection time judging unit, for when monitoring after described PowerPoint is switched to second page from first page, judge whether the described second page projection time reaches threshold value, if reaching, then trigger the step of page identification information and the timestamp performing the described PowerPoint second page of described acquisition.
Optionally, described correspondence relation storage includes:
Thumbnail generates subelement, for in the process of show presentation manuscript second page, capture screen content, generates the thumbnail showing content about described second page, described thumbnail is defined as the page identification information of described second page according to the screen content grabbed；
And/or,
Page sequence number obtains subelement, for obtaining the page sequence number of described second page, described page sequence number is defined as the page identification information of described second page；
And/or,
Page title obtains subelement, for obtaining the title of described second page, described title is defined as the page identification information of described second page.
Optionally, described correspondence relation storage includes:
Configuration file generates subelement, for generating the configuration file of described video, is stored in configuration file by described corresponding relation, in order in video process described in described player plays, obtains described corresponding relation from described configuration file；
Or,
Reserved field storing sub-units, in the field reserved for described corresponding relation is stored in video file, in order in video process described in described player plays, obtain described corresponding relation from described reserved field.Disclosed herein as well is a kind of PowerPoint video play device, it is possible to including:
In the process recording described video, when monitoring described PowerPoint and being switched to second page from first page, store the corresponding relation between the page identification information of described second page and described timestamp, described timestamp is that described device includes from recording the start time point time offset to switching action time of origin point:
Corresponding relation reads unit, for, in described video display process, reading the corresponding relation of described storage；
Information generates unit, for generating information according to described corresponding relation, it is provided that to user, in order to user selects the content needing to check according to described information；When described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
Optionally, also include:
Operation entry selects unit, selects operation entry for generating according to described information；
Page iden-tity to be viewed determines unit, for received the selection instruction of user by described selection operation entry after, it is determined that the page iden-tity of the page to be viewed；
Timestamp determines unit, for the corresponding relation of the page iden-tity according to the described page to be viewed and described storage, it is determined that the timestamp that the described page to be viewed is corresponding；
Jump-transfer unit, for according to described timestamp, the time offset place that described video jumps to correspondence plays out.According to the specific embodiment that the application provides, this application discloses techniques below effect:
Pass through the embodiment of the present application, in PowerPoint video record process, PowerPoint can be monitored by operational circumstances, when the PowerPoint page is switched, obtain and preserve the page identification information after PowerPoint is switched and the corresponding relation of the time used by video record, and then in video display process, player generates information according to above-mentioned corresponding relation, the content that user just can check according to information selection needs, player can also according to information positioning playing progress rate, thus, when user needs the video content checking specific webpage mark place, can according to information prompting quickly, navigate to accurately and there is a need to check on the playing progress rate of content.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the method that the embodiment of the present application provides；
Fig. 2 is the flow chart of the other method that the embodiment of the present application provides；
Fig. 3 is the operation chart of the method that the embodiment of the present application provides；
Fig. 4 is the schematic diagram of the device that the embodiment of the present application provides；
Fig. 5 is the schematic diagram of another device that the embodiment of the present application provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In embodiments of the present invention, recording in PowerPoint video process, it is possible to monitor this PowerPoint by operational circumstances；When monitoring this PowerPoint and being switched to second page by first page, obtain the page identification information of second page, and from recording the start time point time offset to current point in time, this side-play amount is timestamp, and is stored by the corresponding relation of second page identification information with timestamp；Owing to can know the content of pages representated by this page identification information according to page identification information, and then know the video content with this content of pages, the video content place with above-mentioned content of pages can be navigated to according to the timestamp that above-mentioned page identification information is corresponding simultaneously, so, user just can check the content at specific webpage mark place fast, accurately by the present embodiment.
Below concrete implementation mode is introduced as follows.
Embodiment one
Shown in Figure 1, Fig. 1 is the flow chart of a kind of PowerPoint method for recording that the present embodiment provides.Wherein, PowerPoint can include multiple page, needs to carry out following steps when PowerPoint video record:
S101, in the process that PowerPoint is carried out video record, monitor described PowerPoint by operational circumstances.
Monitoring PowerPoint main purpose is, it is determined that whether PowerPoint is switched to lower one page by current page when projection.User is when using PowerPoint speech, generally can carry out explaining or reading with regard to the content of pages that screen is being shown, owing to the page of PowerPoint is switched, so, the content said of user or perhaps purport have also just had corresponding change, such as, the current projection page is 1, user can explain for the page 1 content, when the page of PowerPoint is switched to 2 by 1, user generally also starts to explain according to the page 2 accordingly, when being switched to 3, can explain according to the content of the page 3 again.In other words, the content that user currently explains is corresponding with the current content showing the page, applies this characteristic, it is possible to effectively classified with corresponding explanation or reading content by the PowerPoint page, just can be made a distinction by content of pages or feature.Wherein, PowerPoint had multiple by the monitor mode of operational circumstances, several example is given below and describes in detail.
Mode one
When PowerPoint is shown, the application program of show presentation manuscript can pass through to perform page turning, the operational order such as exit, it is achieved one page under the projection of PowerPoint, exits the purposes such as projection.So by knowing the operational order that application program performs, just it is known that PowerPoint by operational circumstances.Therefore, under a kind of concrete implementation mode, it is possible to determine whether PowerPoint performs page layout switch in the following manner:
Monitoring is for showing the instruction performed by application program of described PowerPoint, and described instruction includes page layout switch instruction, when monitoring described application program and performing page layout switch instruction, it is determined that described PowerPoint is switched to second page from first page.
Further, since in PowerPoint display process, when switching the page, the picture that screen presents is different, thus can also by the state of screen monitor PowerPoint by operational circumstances:
The screen state of described PowerPoint is shown in monitoring, when monitoring screen state and changing, it is determined that described PowerPoint is switched to second page from first page.
In concrete implementation process, timing continuous print capture screen image information can be passed through, and the image information of comparison time adjacent segments is different, judges whether screen state changes, if the image information of adjacent time interval is different, then prove that PowerPoint is switched to second page by first page.
Additionally, in PowerPoint display process, typically require and by external input device, PowerPoint is operated, such as, keyboard, mouse, wireless computer remote-control laser pen etc., these equipment mainly bear page-turning function when PowerPoint is shown, so by monitor the action of these equipment also be able to know PowerPoint by operational circumstances, therefore, the present embodiment can also carry out following steps:
The operational motion of monitoring external input device, when monitoring external input device and performing page turn over operation, it is determined that described PowerPoint is switched to second page from first page.
In a word, described PowerPoint is monitored by operational circumstances by above-mentioned several ways, it is possible to know whether the projection page of this PowerPoint is switched.Certainly, in actual applications, it is also possible to monitor by other means, no longer introduce one by one here.
S102, when monitoring described PowerPoint and being switched to second page from first page, obtain page identification information and the timestamp of described second page, described timestamp is from recording start time point to the time offset of current point in time.
Wherein, the page identification information of second page is obtained by the present embodiment, Main Function is to obtain embodying second page content, and the page identification information can distinguished with other pages, the page identification information that can embody content of pages has multiple, several example is given below and describes in detail:
Page identification information can be show the screen thumbnail of this content of pages, and concrete acquisition mode is as follows:
In the process of show presentation manuscript second page, capture screen content, generate the thumbnail showing content about described second page according to the screen content grabbed, described thumbnail is defined as the page identification information of described second page.
By analyzing, the PowerPoint page all has page sequence number, and these sequence numbers and the page are all one to one, so page identification information can also is that page sequence number, for the statement page-out content enabling page info to become readily apparent from, page identification information can also is that the thumbnail of screen and the combination of page sequence number, so the present embodiment can also carry out following steps:
Obtain the page sequence number of described second page, described page sequence number is defined as the page identification information of described second page.
The content of pages of PowerPoint generally all has title, it also is able to distinguish content of pages by these titles, but in order to apparent, it is also possible to combine with the thumbnail of screen or page sequence number or this combination of the two, so the present embodiment can also carry out following steps:
Obtain the title of described second page, described title is defined as the page identification information of described second page.
So-called timestamp refers to, video from recording starting time point to current point in time namely PowerPoint switched to time offset during second page by first page.Each timestamp has a corresponding page identification information, and this page identification information represent be this video record to correspondent time time the PowerPoint content shown.Such as, proceed by the recording of video from 10:00, when 10:02, monitor PowerPoint and be switched to second page from first page, the timestamp then determined can be the 02nd minute, because the time offset between 10:00 to 10:02 is 2 minutes, by that analogy.
After determining that PowerPoint is switched to second page from first page, second page is had some to explain by user, that is guarantee that second page is effective page, prevent user because of handoff error, or it is intended only as the process being switched to another page, namely preventing second page is invalid page, so the present embodiment can also have following steps:
When monitoring after described PowerPoint is switched to second page from first page, judge whether the described second page projection time reaches threshold value, if reaching, then trigger the page identification information performing the described PowerPoint second page of described acquisition and this step of timestamp.
Such as, it is 2 seconds that above-mentioned threshold value be can set that, when user is switched to a page, and stop 2 seconds at this page, then it is assumed that this content has been carried out some explanations or has read by user, is effective page, when being switched to a page less than 2 seconds, then it is assumed that this page is invalid page.Only the page is effective page, and the present embodiment just can obtain page identification information and the timestamp of this page.
S103, the corresponding relation stored between described page identification information and described timestamp, so that when video player plays described video, the described correspondence relationship information utilizing storage generates information, and it is supplied to user, when described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
Page identification information and timestamp are one_to_one corresponding storages, just can be found the timestamp of correspondence by page identification information.After PowerPoint video record completes, when player is play, page identification information is supplied to user as information, user is allowed to will appreciate that the content of pages representated by information, then playing progress rate is positioned by player again through the timestamp corresponding with page identification information, the content of play cuing information alert, wherein timestamp is equal to the time offset of the time point of information representing video content with video playback sart point in time.Such as, on the progress bar of player, specific time point can show the information of this time point video content, player can also below progress bar ad-hoc location display reminding information, and every information all correspond to specific time point on player progress bar.Such user just can find the time point of correspondence by information, or recognize the information of the video content of this time point at specific time point, thus accurately and fast find the content needing to check.
Wherein, the mode storing the corresponding relation between described page identification information and described timestamp has multiple, does concrete introduction below in conjunction with example.
Video file generally has reserved field and can store some information, it is possible to being stored in reserved field by the corresponding relation between page identification information and timestamp, concrete mode is as follows:
Described corresponding relation is stored in the field that video file is reserved, in order in video process described in described player plays, from described reserved field, obtain described corresponding relation.
But the memory capacity of reserved field is limited, account for the information of larger capacity to tackle storage, it is also possible to adopt the mode of configuration file to realize, specifically comprise the following steps that
Generate the configuration file of described video, described corresponding relation is stored in configuration file, in order in video process described in described player plays, from described configuration file, obtain described corresponding relation.
In sum, the PowerPoint video recorded by the embodiment of the present invention is when playing, and user according to the corresponding relation of information and page identification information and timestamp, can quickly and accurately find out the content that needs are checked, reduce the time cost of user.
Embodiment two
The PowerPoint video recorded by embodiment one needs to embody and be correspondingly improved effect with having correspondingly modified player plays, as in figure 2 it is shown, Fig. 2 is illustrated that the flow chart of a kind of PowerPoint video broadcasting method.Wherein, in the process recording described video, when monitoring described PowerPoint and being switched to second page from first page, storing the corresponding relation between the page identification information of described second page and described timestamp, described timestamp is from recording the start time point time offset to switching action time of origin point.Concrete video playback step is as follows:
S201, in described video display process, read the corresponding relation of described storage；
S202, generate information according to described corresponding relation, it is provided that to user, in order to user selects to need the content checked according to described information；When described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
By embodiment one it can be seen that described corresponding relation has various ways, so the present embodiment is for the form of different corresponding relations, different types of information can be generated.
For the corresponding relation that described corresponding relation is screen content thumbnail and timestamp, when generating information, also it is be supplied to user with the form of thumbnail；Being page sequence number for page identification information, the corresponding information generated can also be sequence number；Being title for page identification information, corresponding information can be supplied to user with the form of word；Certainly is also not only the one among them, it is also possible to be between two or the combination of three, it is possible to reach apparent clear and definite purpose.
Wherein, the storage mode of the described corresponding relation in embodiment one also has multiple, and for different storage modes, the present embodiment can also operate accordingly.
Corresponding relation is stored in the PowerPoint video in configuration file, the present embodiment is when reading the corresponding relation of storage, it is necessary to read from configuration file, accordingly, corresponding relation is stored in the reserved field in video file, it is possible to directly obtain from video file.
For the ease of user operation, allowing user by selecting information just can adjust playing progress rate, the present embodiment can also carry out following steps:
Generate according to described information and select operation entry；
Received the selection instruction of user by described selection operation entry after, it is determined that the page iden-tity of the page to be viewed；
Page iden-tity according to the described page to be viewed and the corresponding relation of described storage, it is determined that the timestamp that the described page to be viewed is corresponding；
According to described timestamp, the time offset place that described video jumps to correspondence plays out.
Can be operated either directly through to information by above-mentioned steps user, video just can be navigated to the video content place of information prompting, more intelligent, convenient.In order to make description become apparent from, it is described in detail below in conjunction with object lesson, as shown in Figure 3.
The photo of screen during the player plays PowerPoint video that Fig. 3 provides for the present embodiment, as shown in the figure, including PowerPoint video content components 301, playing progress bar 302 and information 303, wherein, information 303 is to be made up of the combination of screen content thumbnail and page sequence number, and having the interface accepting user operation, information 303 is containing multiple page prompts information, and each page prompts information has the point of correspondence in playing progress bar 302；When user is recognized by browsing pages information, when content suggested by information 305 needs the content checked just, user selects and clicks information 305, after player receives the operational order of user, according to the information 305 that user selects, according to the corresponding relation prestored, navigate to time point 304 place of correspondence, shown in figure, 304 place's video playback progresses are 00:24, and commence play out video from time point 304, and the video now play is exactly the video that user needs to check.
In sum, being play the PowerPoint video recorded by embodiment one by the present embodiment, user can quickly and accurately find out the content needing to check, saves the running cost of user.
It should be noted that above-described embodiment two is corresponding with embodiment one, concrete implementation details may refer to the introduction in embodiment one, repeats no more here.
Embodiment three
Corresponding with the PowerPoint video recording method that embodiment one provides, the present embodiment additionally provides a kind of PowerPoint video recording device, and as shown in Figure 4, this device includes:
PowerPoint monitoring unit 401, in the process that PowerPoint is carried out video record, monitor described PowerPoint by operational circumstances.
Page identification information and timestamp acquiring unit 402, for when monitoring described PowerPoint and being switched to second page from first page, obtaining page identification information and the timestamp of described second page, described timestamp is from recording the start time point time offset to current point in time.
Correspondence relation storage 403, for storing the corresponding relation between described page identification information and described timestamp, so that when video player plays described video, the described correspondence relationship information utilizing storage generates information, and it is supplied to user, when described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
The present embodiment can by multiple means being monitored by operational circumstances PowerPoint, and described PowerPoint monitoring unit 401 specifically may include that
Instruction monitoring subelement, for monitoring the instruction performed by the application program for showing described PowerPoint, described instruction includes page layout switch instruction, when monitoring described application program and performing page layout switch instruction, it is determined that described PowerPoint is switched to second page from first page；
Or,
Screen state monitoring subelement, for monitoring the screen state showing described PowerPoint, when monitoring screen state and changing, it is determined that described PowerPoint is switched to second page from first page；
Or,
Input equipment monitoring subelement, for monitoring the operational motion of external input device, when monitoring external input device and performing page turn over operation, it is determined that described PowerPoint is switched to second page from first page.
In order to obtain multi-form page identification information, corresponding page identification information and timestamp acquiring unit 402 specifically may include that
Thumbnail generates subelement, for in the process of show presentation manuscript second page, capture screen content, generates the thumbnail showing content about described second page, described thumbnail is defined as the page identification information of described second page according to the screen content grabbed；
And/or,
Page sequence number obtains subelement, for obtaining the page sequence number of described second page, described page sequence number is defined as the page identification information of described second page；
And/or,
Page title obtains subelement, for obtaining the title of described second page, described title is defined as the page identification information of described second page.
In order to judge whether user explains to some extent to second page, so the present embodiment can also include, projection time judging unit, for when monitoring after described PowerPoint is switched to second page from first page, judge whether the described second page projection time reaches threshold value, if reaching, then trigger the step of page identification information and the timestamp performing the described PowerPoint second page of described acquisition.
Specifically when corresponding relation is stored, described correspondence relation storage 403 specifically may include that
Configuration file generates subelement, for generating the configuration file of described video, is stored in configuration file by described corresponding relation, in order in video process described in described player plays, obtains described corresponding relation from described configuration file；
Or,
Reserved field storing sub-units, in the field reserved for described corresponding relation is stored in video file, in order in video process described in described player plays, obtain described corresponding relation from described reserved field.
Embodiment four
Corresponding with the PowerPoint video broadcasting method that embodiment two provides, the present embodiment additionally provides a kind of PowerPoint video play device, as it is shown in figure 5, this device includes:
Corresponding relation reads unit 501, for, in described video display process, reading the corresponding relation of described storage；
Information generates unit 502, for generating information according to described corresponding relation, it is provided that to user, in order to user selects the content needing to check according to described information；When described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
In order to allow user that video playback progress just can be positioned at the content place needing to check by direct operation prompt information, the present embodiment can also include:
Operation entry selects unit, selects operation entry for generating according to described information；
Page iden-tity to be viewed determines unit, for received the selection instruction of user by described selection operation entry after, it is determined that the page iden-tity of the page to be viewed；
Timestamp determines unit, for the corresponding relation of the page iden-tity according to the described page to be viewed and described storage, it is determined that the timestamp that the described page to be viewed is corresponding；
Video jump-transfer unit, for according to described timestamp, the time offset place that described video jumps to correspondence plays out.
For device embodiment, owing to it is substantially similar to embodiment of the method, so what describe is fairly simple, relevant part illustrates referring to the part of embodiment of the method.
It should be noted that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
One of ordinary skill in the art will appreciate that all or part of step realizing in said method embodiment can be by the hardware that program carrys out instruction relevant and completes, described program can be stored in computer read/write memory medium, the storage medium obtained designated herein, as: ROM/RAM, magnetic disc, CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All make within the spirit and principles in the present invention any amendment, equivalent replacement, improvement etc., be all contained in protection scope of the present invention.
Claims (14)
1. a PowerPoint video recording method, it is characterised in that described PowerPoint includes multiple page, and described method includes:
In the process that PowerPoint is carried out video record, monitor described PowerPoint by operational circumstances；
When monitoring described PowerPoint and being switched to second page from first page, obtaining page identification information and the timestamp of described second page, described timestamp is from recording the start time point time offset to current point in time；
Store the corresponding relation between described page identification information and described timestamp, so that when video player plays described video, the described correspondence relationship information utilizing storage generates information, and it is supplied to user, when described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
2. method according to claim 1, it is characterised in that the described PowerPoint of described monitoring is included by operational circumstances:
Monitoring is for showing the instruction performed by application program of described PowerPoint, and described instruction includes page layout switch instruction, when monitoring described application program and performing page layout switch instruction, it is determined that described PowerPoint is switched to second page from first page；
Or,
The screen state of described PowerPoint is shown in monitoring, when monitoring screen state and changing, it is determined that described PowerPoint is switched to second page from first page；
Or,
The operational motion of monitoring external input device, when monitoring external input device and performing page turn over operation, it is determined that described PowerPoint is switched to second page from first page.
3. method according to claim 1, it is characterised in that before the page identification information obtaining described PowerPoint second page and timestamp, also include:
When monitoring after described PowerPoint is switched to second page from first page, it is judged that whether the described second page projection time reaches threshold value, if reaching, then triggers the step of page identification information and the timestamp performing the described PowerPoint second page of described acquisition.
4. method according to claim 1, it is characterised in that the page identification information of the described second page of described acquisition includes:
In the process of show presentation manuscript second page, capture screen content, generate the thumbnail showing content about described second page according to the screen content grabbed, described thumbnail is defined as the page identification information of described second page；
And/or,
Obtain the page sequence number of described second page, described page sequence number is defined as the page identification information of described second page；
And/or,
Obtain the title of described second page, described title is defined as the page identification information of described second page.
5. method according to claim 1, it is characterised in that the described corresponding relation of described storage includes:
Generate the configuration file of described video, described corresponding relation is stored in configuration file, in order in video process described in described player plays, from described configuration file, obtain described corresponding relation；
Or,
Described corresponding relation is stored in the field that video file is reserved, in order in video process described in described player plays, from described reserved field, obtain described corresponding relation.
6. a PowerPoint video broadcasting method, it is characterized in that, in the process recording described video, when monitoring described PowerPoint and being switched to second page from first page, store the corresponding relation between the page identification information of described second page and described timestamp, described timestamp is that described method includes from recording the start time point time offset to switching action time of origin point:
In described video display process, read the corresponding relation of described storage；
Information is generated, it is provided that to user, in order to user selects the content needing to check according to described information according to described corresponding relation；When described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
7. method according to claim 6, it is characterised in that also include:
Generate according to described information and select operation entry；
Received the selection instruction of user by described selection operation entry after, it is determined that the page iden-tity of the page to be viewed；
Page iden-tity according to the described page to be viewed and the corresponding relation of described storage, it is determined that the timestamp that the described page to be viewed is corresponding；
According to described timestamp, the time offset place that described video jumps to correspondence plays out.
8. a PowerPoint video recording device, it is characterised in that described PowerPoint includes multiple page, and described device includes:
PowerPoint monitoring unit, in the process that PowerPoint is carried out video record, monitor described PowerPoint by operational circumstances；
Page identification information and timestamp acquiring unit, for when monitoring described PowerPoint and being switched to second page from first page, obtaining page identification information and the timestamp of described second page, described timestamp is from recording the start time point time offset to current point in time；
Correspondence relation storage, for storing the corresponding relation between described page identification information and described timestamp, so that when video player plays described video, the described correspondence relationship information utilizing storage generates information, and it is supplied to user, when described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
9. device according to claim 8, it is characterised in that described PowerPoint monitoring unit includes:
Instruction monitoring subelement, for monitoring the instruction performed by the application program for showing described PowerPoint, described instruction includes page layout switch instruction, when monitoring described application program and performing page layout switch instruction, it is determined that described PowerPoint is switched to second page from first page；
Or,
Screen state monitoring subelement, for monitoring the screen state showing described PowerPoint, when monitoring screen state and changing, it is determined that described PowerPoint is switched to second page from first page；
Or,
Input equipment monitoring subelement, for monitoring the operational motion of external input device, when monitoring external input device and performing page turn over operation, it is determined that described PowerPoint is switched to second page from first page.
10. device according to claim 8, it is characterised in that also include:
Projection time judging unit, for when monitoring after described PowerPoint is switched to second page from first page, judge whether the described second page projection time reaches threshold value, if reaching, then trigger the step of page identification information and the timestamp performing the described PowerPoint second page of described acquisition.
11. device according to claim 8, it is characterised in that described page identification information and timestamp acquiring unit include:
Thumbnail generates subelement, for in the process of show presentation manuscript second page, capture screen content, generates the thumbnail showing content about described second page, described thumbnail is defined as the page identification information of described second page according to the screen content grabbed；
And/or,
Page sequence number obtains subelement, for obtaining the page sequence number of described second page, described page sequence number is defined as the page identification information of described second page；
And/or,
Page title obtains subelement, for obtaining the title of described second page, described title is defined as the page identification information of described second page.
12. device according to claim 8, it is characterised in that described correspondence relation storage includes:
Configuration file generates subelement, for generating the configuration file of described video, is stored in configuration file by described corresponding relation, in order in video process described in described player plays, obtains described corresponding relation from described configuration file；
Or,
Reserved field storing sub-units, in the field reserved for described corresponding relation is stored in video file, in order in video process described in described player plays, obtain described corresponding relation from described reserved field.
13. a PowerPoint video play device, it is characterized in that, in the process recording described video, when monitoring described PowerPoint and being switched to second page from first page, store the corresponding relation between the page identification information of described second page and described timestamp, described timestamp is that described device includes from recording the start time point time offset to switching action time of origin point:
Corresponding relation reads unit, for, in described video display process, reading the corresponding relation of described storage；
Information generates unit, for generating information according to described corresponding relation, it is provided that to user, in order to user selects the content needing to check according to described information；When described information needs, in the process play, the content checking specific webpage mark place for described video, described information is utilized to position.
14. device according to claim 13, it is characterised in that also include:
Operation entry selects unit, selects operation entry for generating according to described information；
Page iden-tity to be viewed determines unit, for received the selection instruction of user by described selection operation entry after, it is determined that the page iden-tity of the page to be viewed；
Timestamp determines unit, for the corresponding relation of the page iden-tity according to the described page to be viewed and described storage, it is determined that the timestamp that the described page to be viewed is corresponding；
Jump-transfer unit, for according to described timestamp, the time offset place that described video jumps to correspondence plays out.
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| CN201410790378.6A CN105763925A (en) | 2014-12-17 | 2014-12-17 | Video recording method and device for presentation files |
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