CN104185087A - Switching method based on different video streams of one video file - Google Patents
Switching method based on different video streams of one video file Download PDFInfo
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- CN104185087A CN104185087A CN201410408667.5A CN201410408667A CN104185087A CN 104185087 A CN104185087 A CN 104185087A CN 201410408667 A CN201410408667 A CN 201410408667A CN 104185087 A CN104185087 A CN 104185087A
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Abstract
The invention discloses a switching method based on different video streams of one video file. The switching method based on the different video streams of one video file comprises the steps that multiple video stream input sources, to be processed, related to scene changing are obtained after a development environment is started, the overall scene changing time, the scene changing effect and the playing order of the multiple video stream input sources are set according to a specific format, then the multiple video stream input sources to be processed are re-integrated and saved according to the setting, a user can rapidly complete complicated switching for scene changing simply by conducting scene changing setting according to a specific format, various switching effects for scene changing can be obtained by changing the setting, the content is richer, and the user experience is better.
Description
Technical field
The present invention relates to a kind of method for processing video frequency, particularly a kind of changing method based on between a video file different video stream.
Background technology
Transition, refers to transition or conversion between paragraph and paragraph, scene and scene.The method of transition is a lot, connected mode, can be divided into skill transition with without skill transition.Skill transition is usually used in the postproduction phase of film, TV play, for it adds specific effect, claims again transition special effective.Use transition special effective, not only can strengthen the artistic appeal of works, and bring a kind of logical coherent, smooth artistic effect visually to spectators.Although there are now many transitions, for domestic consumer, it is very difficult completing a complicated transition hand-off process.
Summary of the invention
The present invention, for addressing the above problem, provides a kind of based on making domestic consumer also can complete fast complicated transition hand-off process with the changing method between a video file different video stream by specific form is set.
For achieving the above object, the technical solution used in the present invention is:
Based on the changing method with between a video file different video stream, it is characterized in that, comprise the following steps:
10. start development environment, and obtain the related multiple pending video flowing input source of transition;
Transition total time, transitions and playing sequence thereof between multiple video flowing input sources described in 20. pairs arranges according to specific form;
30. reintegrate and preserve described multiple pending video flowing input source according to arranging in step 20.
Preferably, specific format in described step 20 mainly comprises: the hop count N of the total time of transition, the video flowing input source of transition, script corresponding to numbering, each transitions of the corresponding original position of N section video flowing input source, number M, a M transitions of transitions and adjustable name variable, the corresponding parameter value of the corresponding name variable of each transitions.
Preferably, the corresponding original position of described N section video flowing input source, mainly refers to the position that every section of video flowing input source starts, and according to the total time of transition intercepting end position, if end position deficiency, supplements with the image of last frame.
Preferably, the script that described each transitions is corresponding and adjustable name variable, comprise the hop count N of the video flowing input source of this script support, the numbering that this video flowing input source is corresponding, the effect numbering of this script output.
Preferably, the corresponding parameter value of the corresponding name variable of described each transitions, comprises the parameter value of corresponding adjustable variable in script and the Changing Pattern of this parameter value.
Preferably, the Changing Pattern of described parameter value comprises: linear change, acceleration change, deceleration changes, irregular variation.
Preferably, described development environment comprises OpenGL environment or OpenGL-ES environment or DirectX environment, is mainly to utilize GPU to play up, and uses script to carry out the design and development of effect.
The invention has the beneficial effects as follows:
A kind of changing method based on between a video file different video stream of the present invention, it obtains multiple pending video flowing input sources after startup development environment, and to the transition total time between described multiple video flowing input sources, transitions and playing sequence thereof arrange according to specific form, then arrange described multiple pending video flowing input source is reintegrated and preserved according to this, user can complete complicated transition hand-off process fast by only needing to carry out transition setting according to specific form, and can obtain various transition switching effect by change setting, content is abundanter, user experiences better.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the general flow chart of a kind of changing method based on between a video file different video stream of the present invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of changing method based on between a video file different video stream of the present invention, it comprises the following steps:
10. start development environment, and obtain the related multiple pending video flowing input source of transition;
Transition total time, transitions and playing sequence thereof between multiple video flowing input sources described in 20. pairs arranges according to specific form;
30. reintegrate and preserve described multiple pending video flowing input source according to arranging in step 20.
Development environment in described step 10 comprises OpenGL environment or OpenGL-ES environment or DirectX environment, is mainly to utilize GPU to play up, and uses script to carry out the design and development of effect.
Specific format in described step 20 mainly comprises: the hop count N of the total time of transition, the video flowing input source of transition, script corresponding to numbering, each transitions of the corresponding original position of N section video flowing input source, number M, a M transitions of transitions and adjustable name variable, the corresponding parameter value of the corresponding name variable of each transitions.Can above-mentioned parameter be increased or be reduced according to actual needs.
Represent the total length of time that this transition special effective uses the total time of the transition described in above-mentioned specific format, represent with frame number here, also can represent with second; The number N of the video flowing input source of described transition, represents that total total N section video flowing participates in this transition special effective; The number M of transitions represents that the special efficacy script number that this transition special effective uses is total to M.The effect numbering of M transition represents that effect is numbered the already present special efficacy script numbering of system, belong to most basic script, such as convergent-divergent, fuzzy, displacement, cutting etc., if the script of this special efficacy does not exist in system, start to represent this numbering with-1, and numbering deducts 1 successively, and encloses the corresponding script of each numbering, and adjustable name variable in script.
The corresponding original position of above-mentioned N section video flowing input source, mainly refers to the position that every section of video flowing input source starts, and according to the total time of transition intercepting end position, if end position deficiency is supplemented with the image of last frame.The script that above-mentioned each transitions of stating is corresponding and adjustable name variable, comprise the hop count N of the video flowing input source of this script support, the numbering that this video flowing input source is corresponding, the effect numbering of this script output.The corresponding parameter value of the corresponding name variable of above-mentioned each transitions, comprises the parameter value of corresponding adjustable variable in script, and the Changing Pattern of this parameter value, comprising: linear change, accelerate to change, slow down change, irregular variation.
Adopt changing method of the present invention, user is by reading default specific format, and be ready to all pending video flowing input sources, only need and load in order the required all effect scripts of transition according to this specific format carries out transition setting and can complete fast complicated transition hand-off process, system is obtained corresponding effect script and parameter to each two field picture by the order of transitions, and carries out playing up of transitions; The effect of having played up all transition frames represents that transition finishes, and user also can obtain various transition by change setting and switch effect, and content is abundanter, and user experiences better.Method of the present invention is not only applicable to software developer's development and Design, and can offer third party even domestic consumer adopt said method to design various transition to switch effect.
Above-mentioned explanation illustrates and has described the preferred embodiments of the present invention, be to be understood that the present invention is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, amendment and environment, and can, in invention contemplated scope herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from the spirit and scope of the present invention, all should be in the protection range of claims of the present invention.
Claims (7)
1. the changing method based on between a video file different video stream, is characterized in that, comprises the following steps:
10. start development environment, and obtain the related multiple pending video flowing input source of transition;
Transition total time, transitions and playing sequence thereof between multiple video flowing input sources described in 20. pairs arranges according to specific form;
30. reintegrate and preserve described multiple pending video flowing input source according to arranging in step 20.
2. a kind of changing method based on between a video file different video stream according to claim 1, it is characterized in that: the specific format in described step 20 mainly comprises: the hop count N of the total time of transition, the video flowing input source of transition, script corresponding to numbering, each transitions of the corresponding original position of N section video flowing input source, number M, a M transitions of transitions and adjustable name variable, the corresponding parameter value of the corresponding name variable of each transitions.
3. a kind of changing method based on between a video file different video stream according to claim 2, it is characterized in that: the corresponding original position of described N section video flowing input source, mainly refer to the position that every section of video flowing input source starts, and according to the total time of transition intercepting end position, if end position deficiency, supplements with the image of last frame.
4. a kind of changing method based on between a video file different video stream according to claim 2, it is characterized in that: the script that described each transitions is corresponding and adjustable name variable, comprise the hop count N of the video flowing input source of this script support, the numbering that this video flowing input source is corresponding, the effect numbering of this script output.
5. a kind of changing method based on between a video file different video stream according to claim 2, it is characterized in that: the described corresponding parameter value of the corresponding name variable of each transitions, comprise the parameter value of corresponding adjustable variable in script, and the Changing Pattern of this parameter value.
6. a kind of changing method based on between individual video file different video stream according to claim 5, is characterized in that: the Changing Pattern of described parameter value comprises: linear change, acceleration variation, slow down variation, irregular variation.
7. a kind of changing method based on between a video file different video stream according to claim 1, it is characterized in that: described development environment comprises OpenGL environment or OpenGL-ES environment or DirectX environment, be mainly to utilize GPU to play up, and use script to carry out the design and development of effect.
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| CN201410408667.5A CN104185087A (en) | 2014-08-19 | 2014-08-19 | Switching method based on different video streams of one video file |
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| CN104980794A (en) * | 2015-06-30 | 2015-10-14 | 北京金山安全软件有限公司 | Video splicing method and device |
| CN105657494A (en) * | 2015-12-31 | 2016-06-08 | 北京小鸟看看科技有限公司 | Virtual cinema and implementation method thereof |
| CN105933620A (en) * | 2016-04-21 | 2016-09-07 | 深圳市创凯智能股份有限公司 | Video signal switching method and equipment |
| CN112312201A (en) * | 2020-04-09 | 2021-02-02 | 北京沃东天骏信息技术有限公司 | Method, system, device and storage medium for video transition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104980794A (en) * | 2015-06-30 | 2015-10-14 | 北京金山安全软件有限公司 | Video splicing method and device |
| CN105657494A (en) * | 2015-12-31 | 2016-06-08 | 北京小鸟看看科技有限公司 | Virtual cinema and implementation method thereof |
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| CN112312201A (en) * | 2020-04-09 | 2021-02-02 | 北京沃东天骏信息技术有限公司 | Method, system, device and storage medium for video transition |
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