CN105611390B - A kind of pair of vertical screen video file carries out picture and text synthetic method and device - Google Patents
A kind of pair of vertical screen video file carries out picture and text synthetic method and device Download PDFInfo
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- CN105611390B CN105611390B CN201511029298.XA CN201511029298A CN105611390B CN 105611390 B CN105611390 B CN 105611390B CN 201511029298 A CN201511029298 A CN 201511029298A CN 105611390 B CN105611390 B CN 105611390B
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- 238000010189 synthetic method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 21
- 238000003786 synthesis reaction Methods 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 8
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2747—Remote storage of video programs received via the downstream path, e.g. from the server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44012—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
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- Television Signal Processing For Recording (AREA)
- Studio Circuits (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses a kind of pair of vertical screen video files to carry out picture and text synthetic method and device, and method includes: several vertical screen scenes to be stored in advance in video software to preset template, and expand different vertical screen scenes in server beyond the clouds and preset template；Scene predetermined manner as defined in template is preset according to the vertical screen scene called and carries out point scene capture or importing vertical screen video file, obtains multiple vertical screen video clip files；The time of each vertical screen video clip files beginning and end position is adjusted respectively；Subtitle is inputted to each vertical screen video segment compilation file, is respectively that it selects corresponding audio file according to scene content difference, obtains vertical screen audio-video part edit file；Each vertical screen audio-video part edit file is synthesized according to scene predetermined manner.Implement it is of the invention picture and text synthetic method and device are carried out to vertical screen video file, have the advantages that and be able to maintain the high-resolution of original vertical screen video, keep former shooting video quality.
Description
Technical field
The present invention relates to Video Composition field, in particular to a kind of pair of vertical screen video file carry out picture and text synthetic method and
Device.
Background technique
Increasingly developed with smart phone, shooting the specification of video file, also increasingly Synchronous lifting, daily mobile phone are usual
Money is held using upright, therefore the video file of vertical screen shooting is increasing.Currently, the vertical screen video file (view of 9:16 the ratio of width to height
Frequency file) typically directly carry out out points editor after directly distribution propagate, or using transverse screen video file (16:9 the ratio of width to height
Video file) resolution ratio compressed after, then carry out picture and text processing and synthesize, export the vertical screen file cut out through overcompression,
The high-resolution of original vertical screen video is thus greatly reduced, former shooting video quality is reduced, with original vertical screen video
File is compared, and shown content forms biggish loss.
Summary of the invention
The technical problem to be solved in the present invention is that the above-mentioned vertical screen file cut out through overcompression for the prior art drops
The low high-resolution of original video, the defect for reducing video quality, provide a kind of high score for being able to maintain original vertical screen video
Resolution, keep former shooting video quality picture and text synthetic method and device are carried out to vertical screen video file.
The technical solution adopted by the present invention to solve the technical problems is: constructing one kind by mobile terminal to video file
Synthetic method is carried out, the video software for editing vertical screen video is installed in mobile terminal, the method includes walking as follows
It is rapid:
A several vertical screen scenes) are stored in advance in the video software and preset template, and expand in server beyond the clouds
Different vertical screen scenes presets template；
B) the vertical screen scene built in it is called to preset template or call by the video software by the video software
Corresponding vertical screen scene presets template in the cloud server, presets field specified in template according to the vertical screen scene called
Scape predetermined manner carries out point scene capture vertical screen video file or imports multiple vertical screens view in the photograph album of the mobile terminal local
Frequency file obtains multiple vertical screen video clip files；
C starting position and the end position of each vertical screen video clip files) are found out respectively, and to each described perpendicular
Time corresponding to the starting position of screen video clip files and end position is adjusted, and obtains multiple vertical screen video clips and compiles
Collect file；
D the input of subtitle) is carried out to each vertical screen video segment compilation file, and according to each vertical screen video
The difference of the scene content of part edit file is respectively that it selects corresponding audio file, obtains multiple vertical screen audio-video segments
Editing files；
E each vertical screen audio-video part edit file is synthesized according to the scene predetermined manner), and will be closed
At vertical screen video file upload to cloud and stored or distributed.
Video file is carried out in synthetic method by mobile terminal of the present invention, the vertical screen scene is default
Template has preset subtitle and multiple vertical screen video clips with timing, and has preset the most short of each vertical screen video clip
Shooting time and longest shooting time.
Video file is carried out in synthetic method by mobile terminal of the present invention, the step E) further
Include:
E1) successively the transparency of the tail frame picture of each vertical screen audio-video part edit file is down to from maximum transparency
Minimum transparency；
E2) according to the scene predetermined manner successively by the tail frame picture of each vertical screen audio-video part edit file
It is connected to the first frame picture of next vertical screen audio-video part edit file, the vertical screen video file synthesized；
E3 the vertical screen video file of the synthesis) is uploaded to the cloud to be stored or distributed.
Video file is carried out in synthetic method by mobile terminal of the present invention, the maximum transparency is
100, the minimum transparency is 0.
Video file is carried out in synthetic method by mobile terminal of the present invention, the vertical screen video clip
File is the video file that the ratio of width to height is 9:16.
The invention further relates to it is a kind of realize above by mobile terminal to video file carry out synthetic method device,
Mobile terminal is equipped with the video software for editing vertical screen video, and described device includes:
Vertical screen template storage unit: presetting template for several vertical screen scenes to be stored in advance in the video software,
And expands different vertical screen scenes in server beyond the clouds and preset template；
Vertical screen video clip files acquiring unit: for calling the vertical screen scene built in it default by the video software
Template calls corresponding vertical screen scene in the cloud server to preset template by the video software, according to what is called
Vertical screen scene presets scene predetermined manner specified in template and carries out point scene capture vertical screen video file or import the movement
Multiple vertical screen video files in terminal local photograph album, obtain multiple vertical screen video clip files；
Access point adjustment unit: for finding out starting position and the stop bits of each vertical screen video clip files respectively
It sets, and the time corresponding to starting position to each vertical screen video clip files and end position is adjusted, and obtains
Multiple vertical screen video segment compilation files；
Subtitle audio editing unit: for carrying out the input of subtitle to each vertical screen video segment compilation file, and
Difference according to the scene content of each vertical screen video segment compilation file is respectively that it selects corresponding audio file, is obtained
To multiple vertical screen audio-video part edit files；
Video Composition uploading unit: for presetting each vertical screen audio-video part edit file according to the scene
Mode is synthesized, and the vertical screen video file of synthesis is uploaded to cloud and is stored or is distributed.
In device of the present invention, the vertical screen scene presets template and has preset subtitle and multiple erecting with timing
Shield video clip, and presets the most short shooting time and longest shooting time of each vertical screen video clip.
In device of the present invention, the Video Composition uploading unit further comprises:
Tail frame transparency adjusts module: for successively by the saturating of the tail frame picture of each vertical screen audio-video part edit file
Lightness minimizes transparency from maximum transparency；
Picture connects synthesis module: being used for according to the scene predetermined manner successively by each vertical screen audio-video segment
The tail frame picture of editing files is connected to the first frame picture of next vertical screen audio-video part edit file, is synthesized
Vertical screen video file；
Video upload distribution module: for by the vertical screen video file of the synthesis upload to the cloud carry out storage or
Distribution.
In device of the present invention, the maximum transparency is 100, and the minimum transparency is 0.
In device of the present invention, the vertical screen video clip files are the video files that the ratio of width to height is 9:16.
Implement it is of the invention synthetic method and device are carried out to video file by mobile terminal, have below beneficial to effect
Fruit: built-in several first in video software due to being equipped with the video software for editing vertical screen video in the terminal
A vertical screen scene presets template and the vertical screen scene being stored in cloud server can be called to preset template at any time, perpendicular from these
Screen scene, which is preset, can call a vertical screen scene to preset template in template, and preset in template according to the vertical screen scene called
Defined scene predetermined manner carries out point scene capture vertical screen video file or imports multiple vertical screen video files, obtains multiple perpendicular
Shield video clip files；Time corresponding to starting position and end position to each vertical screen video clip files adjusts
It is whole；It carries out the input of subtitle and selects corresponding audio file, vertical screen video segment compilation file, subtitle and audio are synthesized one
Band audio vertical screen video file, so there is no need to through overcompression and cut out, so its height for being able to maintain original vertical screen video
Resolution ratio keeps former shooting video quality.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the stream that the present invention carries out method in picture and text synthetic method and device one embodiment to vertical screen video file
Cheng Tu；
Fig. 2 is to close each vertical screen audio-video part edit file according to scene predetermined manner in the embodiment
At, and the vertical screen video file of synthesis is uploaded into the specific flow chart that cloud is stored or distributed；
Fig. 3 is the structural schematic diagram of device in the embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Vertical screen video file is carried out in picture and text synthetic method and Installation practice in the present invention, to vertical screen video text
The flow chart that part carries out picture and text synthetic method is as shown in Figure 1.In the present embodiment, it is equipped in mobile terminal for editing vertical screen
The video software of video, the mobile terminal are mobile phone in the present embodiment, certainly, under some cases of the present embodiment, the shifting
Dynamic terminal may be tablet computer etc..In Fig. 1, it includes following step that this, which carries out picture and text synthetic method to vertical screen video file,
It is rapid:
Several vertical screen scenes are stored in advance in video software and preset template by step S01, and expand in server beyond the clouds
It fills different vertical screen scenes and presets template: in this step, several vertical screen fields being stored in advance in the video software of mobile terminal
Scape presets template, and can expand different vertical screen scenes in server at any time beyond the clouds and preset template, and whens subsequent applications can call
Corresponding vertical screen scene presets template.It is noted that in the present embodiment, vertical screen scene presets template and has preset subtitle and more
A vertical screen video clip with timing, and preset each vertical screen video clip most short shooting time and longest shoot when
Between.Such as: it is perpendicular that preset multiple vertical screen video clips with timing can be head scene vertical screen video clip, process scene
Shield video clip and ending scene vertical screen video clip, process scene vertical screen video clip may include one or more intermediate fields
Scape vertical screen video clip.It is noted that vertical screen video clip files are the video texts that the ratio of width to height is 9:16 in the present embodiment
Part.
Step S02 calls the vertical screen scene built in it to preset template or calls cloud by video software by video software
Corresponding vertical screen scene presets template in server, presets the default side of scene specified in template according to the vertical screen scene called
Formula carries out point scene capture vertical screen video file or imports multiple vertical screen video files in the photograph album of mobile terminal local, obtains more
A vertical screen video clip files: in this step, the vertical screen scene built in it is called to preset template by video software, or pass through
Video software calls corresponding vertical screen scene in cloud server to preset template, and presets template according to the vertical screen scene called
Specified in scene predetermined manner carry out point scene capture vertical screen video file or import mobile terminal local photograph album in it is multiple
Vertical screen video file can thus obtain multiple vertical screen video clip files, the number of vertical screen video clip files and vertical screen field
The number that scape presets preset vertical screen video clip in template is identical.It is noted that when carrying out point scene capture, program
The most short shooting time and longest shooting time for adapting to each scene can be set.
Step S03 finds out starting position and the end position of each vertical screen video clip files respectively, and to each vertical screen
Time corresponding to the starting position of video clip files and end position is adjusted, and obtains multiple vertical screen video segment compilations
File: in this step, starting position and the end position of each vertical screen video clip files are found out respectively, and regard to each vertical screen
Time corresponding to the starting position of frequency clip file and end position is adjusted, and obtains multiple vertical screen video segment compilation texts
Part.It is noted that the starting position of vertical screen video clip files is known as access point in the present embodiment, by vertical screen piece of video
The end position of segment file is known as point.
Step S04 carries out the input of subtitle to each vertical screen video segment compilation file, and according to each vertical screen piece of video
The difference of the scene content of section editing files is respectively that it selects corresponding audio file, obtains multiple vertical screen audio-video segments and compiles
Collect file: in this step, to each vertical screen video segment compilation file (corresponding field of each vertical screen video segment compilation file
Scape) input that carries out subtitle and is respectively its selection according to the difference of the scene content of each vertical screen video segment compilation file
Corresponding audio file obtains multiple vertical screen audio-video part edit files.It is noted that according to the prefabricated feelings of scene
The content of condition, subtitle is arbitrarily added, subtitle position and number of words limitation be scene program setting it is good.User inputs oneself
Think that the caption content of input, or default display vertical screen scene preset the included content of template, such as: it is defaulted as happy vacation
Phase, if directly displayed without changing, user can input the vacation of family of three, that is, show the vacation of family of three.Audio
File can choose local file or select the online audio content built in video software.
Step S05 synthesizes each vertical screen audio-video part edit file according to scene predetermined manner, and will synthesis
Vertical screen video file upload to cloud and stored or distributed: in this step, by each vertical screen audio-video part edit file
It is synthesized according to scene predetermined manner, and the vertical screen video file of synthesis is uploaded into cloud and carries out storage or freely distributes.
For the vertical screen video file of the synthesis of preservation, it can provide and be edited or used again in the future.When being synthesized, in fact
It is exactly the vertical screen video file that vertical screen video segment compilation file, subtitle and audio file are synthesized to a band audio, is closed
The timing of Cheng Shi, synthesis are synthesized according to the sequencing of scene predetermined manner defined.So there is no need to pass through
It overcompression and cuts out, so its high-resolution for being able to maintain original vertical screen video, keeping former shooting video quality.
For the present embodiment, above-mentioned steps S05 can also be refined further, and the flow chart after refinement is as shown in Figure 2.
In Fig. 2, above-mentioned steps S05 further comprises:
Step S51 is successively by the transparency of the tail frame picture of each vertical screen audio-video part edit file from maximum transparency
Minimize transparency: in this step, successively by the transparency of the tail frame picture of each vertical screen audio-video part edit file from
Maximum transparency minimizes transparency.In the present embodiment, maximum transparency 100, minimum transparency is that 0,100 expressions are complete
It has been shown that, 0 indicates not show completely.
Step S52 successively connects the tail frame picture of each vertical screen audio-video part edit file according to scene predetermined manner
To the first frame picture of next vertical screen audio-video part edit file, the vertical screen video file synthesized: in this step, according to
The tail frame picture of each vertical screen audio-video part edit file is successively connected to next vertical screen audio-video by scene predetermined manner
The first frame picture of part edit file, the vertical screen video file synthesized, such two frames picture, which links together, to be synthesized
The continuity that can guarantee picture, accomplishes to be seamlessly connected.It is noted that in connection, the picture of video link position
Transparency remains unchanged, and ensures that the transparency of obtained entire vertical screen video pictures remains unchanged in this way.
The vertical screen video file of synthesis is uploaded to cloud and is stored or distributed by step S53: in this step, by synthesis
Vertical screen video file uploads to cloud and is stored or distributed.When cloud is distributed, what is distributed to each playback equipment is one
A network address, playback equipment can be arbitrary playback equipment.The present embodiment is mobile terminal (being mobile phone in the present embodiment)
The high-resolution shooting video epoch provide special vertical screen processing mode, realize the original vertical screen video of mobile terminal shooting
Video distribution after file progress resolution ratio lossless process passes through video software while video breadth does not lose
Picture and text audio processing and packaging increase the expressive force of vertical screen video, so that vertical screen video file obtains better communication effect.
It is above-mentioned to vertical screen video file progress picture and text synthetic method, structural representation that the present embodiment further relates to a kind of realization
Figure is as shown in Figure 3.Mobile terminal in the present embodiment is equipped with the video software for editing vertical screen video, in Fig. 3, the device
Including vertical screen template storage unit 1, vertical screen video clip files acquiring unit 2, access point adjustment unit 3, subtitle audio editing
Unit 4 and Video Composition uploading unit 5；Wherein, vertical screen template storage unit 1 is for being stored in advance several in video software
Vertical screen scene presets template, and expands different vertical screen scenes in server beyond the clouds and preset template；It is noted that this reality
It applies in example, vertical screen scene presets template and preset subtitle and multiple vertical screen video clips with timing, and has preset each perpendicular
Shield the most short shooting time and longest shooting time of video clip, vertical screen video clip files are the video texts that the ratio of width to height is 9:16
Part.
In the present embodiment, vertical screen video clip files acquiring unit 2 is used to call the vertical screen built in it by video software
Scene presets template or calls corresponding vertical screen scene in cloud server to preset template by video software, according to what is called
Vertical screen scene presets scene predetermined manner specified in template and carries out point scene capture vertical screen video file or import mobile terminal
Multiple vertical screen video files in local photograph album, obtain multiple vertical screen video clip files；Access point adjustment unit 3 is for distinguishing
Starting position and the end position of each vertical screen video clip files are found out, and to the start bit of each vertical screen video clip files
It sets and is adjusted with the time corresponding to end position, obtain multiple vertical screen video segment compilation files；Subtitle audio editing list
Member 4 is used to carry out each vertical screen video segment compilation file the input of subtitle, and according to each vertical screen video segment compilation text
The difference of the scene content of part is respectively that it selects corresponding audio file, obtains multiple vertical screen audio-video part edit files；
Video Composition uploading unit 5 is used to synthesize each vertical screen audio-video part edit file according to scene predetermined manner, and
The vertical screen video file of synthesis is uploaded to cloud to be stored or distributed.So there is no need to through overcompression and cut out, so
Its high-resolution for being able to maintain original vertical screen video keeps former shooting video quality.
In the present embodiment, Video Composition uploading unit 5 further comprises tail frame transparency adjustment module 51, picture connection conjunction
Distribution module 53 is uploaded at module 52 and video；Wherein, tail frame transparency adjustment module 51 is for successively regarding each vertical screen sound
The transparency of the tail frame picture of frequency part edit file minimizes transparency from maximum transparency；Maximum transparency is 100, most
Small transparency is 0.Picture connects synthesis module 52 and is used to successively compile each vertical screen audio-video segment according to scene predetermined manner
The tail frame picture for collecting file is connected to the first frame picture of next vertical screen audio-video part edit file, the vertical screen view synthesized
Frequency file；Video upload distribution module 53 is used to uploading to the vertical screen video file of synthesis into cloud and is stored or distributed.
In short, in the present embodiment, the present invention is the high-resolution shooting video of mobile terminal (being mobile phone in the present embodiment)
Epoch provide special vertical screen processing mode, realize mobile terminal shooting original vertical screen video file carry out resolution ratio without
Damage treated video distribution passes through the picture and text audio processing and packet of video software while video breadth does not lose
Dress increases the expressive force of vertical screen video, so that vertical screen video file obtains better communication effect.It is without overcompression and cuts
It cuts out, just realizes the vertical screen video file of the synthesis of picture and text packaging, maintain high-resolution, avoid the loss of display content.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of pair of vertical screen video file carries out picture and text synthetic method, which is characterized in that be equipped in mobile terminal for compiling
The video software of vertical screen video is collected, described method includes following steps:
A several vertical screen scenes) are stored in advance in the video software and preset template, and expand difference in server beyond the clouds
Vertical screen scene preset template；
B) the vertical screen scene built in it is called to preset template or by described in video software calling by the video software
Corresponding vertical screen scene presets template in cloud server, and it is pre- to preset scene specified in template according to the vertical screen scene called
If mode carries out point scene capture vertical screen video file or imports multiple vertical screen videos text in the photograph album of the mobile terminal local
Part obtains multiple vertical screen video clip files；
C starting position and the end position of each vertical screen video clip files) are found out respectively, and each vertical screen is regarded
Time corresponding to the starting position of frequency clip file and end position is adjusted, and obtains multiple vertical screen video segment compilation texts
Part；
D the input of subtitle) is carried out to each vertical screen video segment compilation file, and according to each vertical screen video clip
The difference of the scene content of editing files is respectively that it selects corresponding audio file, obtains multiple vertical screen audio-video part edits
File；According to the prefabricated situation of scene, the content of subtitle is arbitrarily added, subtitle position and number of words limitation be scene program
It sets；User inputs the caption content for oneself thinking input, or default display vertical screen scene presets the included content of template；
E) each vertical screen audio-video part edit file is synthesized according to the scene predetermined manner, and by synthesis
Vertical screen video file uploads to cloud and is stored or distributed；It is in fact exactly by vertical screen video segment compilation when being synthesized
File, subtitle and audio file synthesize the vertical screen video file of a band audio, and when being synthesized, the timing of synthesis is basis
What the sequencing of scene predetermined manner defined was synthesized；So there is no need to through overcompression and cut out；
The vertical screen scene presets template and has preset subtitle and multiple vertical screen video clips with timing, and has preset each institute
State the most short shooting time and longest shooting time of vertical screen video clip；
The step E) further comprise:
E1) successively the transparency of the tail frame picture of each vertical screen audio-video part edit file is minimized from maximum transparency
Transparency；
E2) successively the tail frame picture of each vertical screen audio-video part edit file is connected according to the scene predetermined manner
To the first frame picture of next vertical screen audio-video part edit file, the vertical screen video file synthesized；Such two frame
Picture links together the continuity for being synthesized and can guarantee picture, accomplishes to be seamlessly connected；In connection, video link position
The transparency of picture remain unchanged, this ensures that the transparency of obtained entire vertical screen video pictures remains unchanged；
E3 the vertical screen video file of the synthesis) is uploaded to the cloud to be stored or distributed；When cloud is distributed,
What is distributed to each playback equipment is a network address, and playback equipment is arbitrary playback equipment；For the high-resolution of mobile terminal
Shoot video and special vertical screen processing mode be provided, realize the original vertical screen video file of mobile terminal shooting carry out resolution ratio without
Damage treated video distribution.
2. according to claim 1 carry out picture and text synthetic method to vertical screen video file, which is characterized in that the maximum
Transparency is 100, and the minimum transparency is 0.
3. according to claim 1 carry out picture and text synthetic method to vertical screen video file, which is characterized in that the vertical screen
Video clip files are the video files that the ratio of width to height is 9:16.
4. a kind of realize the device for carrying out picture and text synthetic method to vertical screen video file as described in claim 1, feature
It is, the video software for editing vertical screen video is installed in mobile terminal, described device includes:
Vertical screen template storage unit: for be stored in advance in the video software several vertical screen scenes preset template, and
Expand different vertical screen scenes in cloud server and presets template；
Vertical screen video clip files acquiring unit: for calling the vertical screen scene built in it to preset template by the video software
Or call corresponding vertical screen scene in the cloud server to preset template by the video software, according to the vertical screen called
Scene presets scene predetermined manner specified in template and carries out point scene capture vertical screen video file or import the mobile terminal
Multiple vertical screen video files in local photograph album, obtain multiple vertical screen video clip files；
Access point adjustment unit: for finding out starting position and the end position of each vertical screen video clip files respectively,
And the time corresponding to starting position to each vertical screen video clip files and end position is adjusted, and obtains multiple
Vertical screen video segment compilation file；
Subtitle audio editing unit: for the input to each vertical screen video segment compilation file progress subtitle, and according to
The difference of the scene content of each vertical screen video segment compilation file is respectively that it selects corresponding audio file, is obtained more
A vertical screen audio-video part edit file；According to the prefabricated situation of scene, the content of subtitle is arbitrarily added, subtitle position and
Number of words limitation is that the program setting of scene is good；User inputs the caption content for oneself thinking input, or default display vertical screen field
Scape presets the included content of template；
Video Composition uploading unit: it is used for each vertical screen audio-video part edit file according to the scene predetermined manner
It is synthesized, and the vertical screen video file of synthesis is uploaded into cloud and is stored or is distributed；When being synthesized, it is exactly in fact
The vertical screen video file that vertical screen video segment compilation file, subtitle and audio file are synthesized to a band audio, when being synthesized,
Its timing synthesized is synthesized according to the sequencing of scene predetermined manner defined；So there is no need to through overcompression
With cut out；
The vertical screen scene presets template and has preset subtitle and multiple vertical screen video clips with timing, and has preset each institute
State the most short shooting time and longest shooting time of vertical screen video clip；
The Video Composition uploading unit further comprises:
Tail frame transparency adjusts module: for successively by the transparency of the tail frame picture of each vertical screen audio-video part edit file
Transparency is minimized from maximum transparency；
Picture connects synthesis module: being used for according to the scene predetermined manner successively by each vertical screen audio-video part edit
The tail frame picture of file is connected to the first frame picture of next vertical screen audio-video part edit file, the vertical screen synthesized
Video file；Such two frames picture links together the continuity for being synthesized and can guarantee picture, accomplishes to be seamlessly connected；Even
When connecing, the transparency of the picture of video link position is remained unchanged, this ensures that obtained entire vertical screen video pictures
Transparency remain unchanged；
Video uploads distribution module: being stored or is divided for the vertical screen video file of the synthesis to be uploaded to the cloud
Hair；When cloud is distributed, what is distributed to each playback equipment is a network address, and playback equipment is arbitrary broadcasting and sets
It is standby；Special vertical screen processing mode is provided for the high-resolution shooting video of mobile terminal, realizes the original perpendicular of mobile terminal shooting
Shield video file and carries out the video distribution after resolution ratio lossless process.
5. device according to claim 4, which is characterized in that the maximum transparency is 100, and the minimum transparency is
0。
6. device according to claim 4, which is characterized in that the vertical screen video clip files are that the ratio of width to height is 9:16
Video file.
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| CN112866796A (en) * | 2020-12-31 | 2021-05-28 | 北京字跳网络技术有限公司 | Video generation method and device, electronic equipment and storage medium |
| CN113452935B (en) * | 2021-08-31 | 2021-11-09 | 成都索贝数码科技股份有限公司 | Horizontal screen and vertical screen live video generation system and method |
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