CN104837005A - Method and device for switch playing of 3D video and 2D video - Google Patents
Method and device for switch playing of 3D video and 2D video Download PDFInfo
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- CN104837005A CN104837005A CN201410048097.3A CN201410048097A CN104837005A CN 104837005 A CN104837005 A CN 104837005A CN 201410048097 A CN201410048097 A CN 201410048097A CN 104837005 A CN104837005 A CN 104837005A
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Abstract
The invention discloses a method and device for switch playing of 3D video and 2D video. The method comprises: establishing a video image monitoring progress at a webpage terminal; monitoring a playing 2D video file through the video image monitoring progress; obtaining frame picture information of the 2D video file; establishing an extracting progress of the frame picture information at the webpage terminal; extracting a red component and a blue-green component from the frame picture information in the extracting progress of the frame picture information; establishing a compounding progress of the frame picture information at the webpage terminal; and compounding the red component and the blue-green component into a 3D frame picture according to a pre-set mode through the compounding progress of the frame picture information. By implementing the method and device, seamless switch of playing the 2D video and the 3D video at the webpage terminal is realized, and the switch progress is with no independent functional software required. Meanwhile, the processing resource and the storage resource of the system are saved, and the user experience is improved.
Description
Technical field
The present invention relates to 3D field of video processing, particularly relate to method and device thereof that a kind of 2D video and 3D Video Quality Metric play.
Background technology
Existing video website generally uses Flash player plug-in unit to play-over 2D video file.And watch 3D film compared with 2D film, 3D film to user with serving more excellent experience, the such as third dimension of film Scene, and bring atmosphere on the spot in person to user.Because different users has different viewing demands, therefore, on customer volume basis huge at present, the market space that 2D video and the broadcasting of 3D video have it corresponding and customer group.
In the prior art, when user needs viewing 3D video file, usually have following two kinds of modes: one is directly obtain 3D video file, this 3D video file of Bootload then by having 3D movie function is play; Another kind of mode is that download 2D video file, this 2D video file is converted to 3D video file by the software turning 3D function by having 2D, and this 3D video file of Bootload then by having 3D movie function is play.This shows, when existing 3D video file is less, user can only watch 3D video by first changing the mode play again, mode of operation is complicated, bring greater inconvenience to user, simultaneously, this mode needs to store 2D video file and 3D video file in this locality simultaneously, waste the memory space of user, when this Transformation Service transfers to video file provider to complete, also can cause the waste of the server storage to video file provider, and consume a large amount of system processing resources in Video Quality Metric process.
In order to save local memory space, and the quick experience of viewing aspect is brought to user, usual video file provider adopts flash player directly to user's playing video file, and in prior art, adopt flash player playing video file usually can only realize a kind of effect at page end, when namely playing 2D video file, only realize 2D effect, to realize 3D effect, then can only by playing 3D video file.
Therefore, in prior art, be that the viewing mode of 3D video obviously exists broadcast mode underaction, storage resources takies excessive, that process resource consumption is excessive defect by 2D Video Quality Metric, meanwhile, Video Quality Metric operates and brings larger inconvenience to user.
Summary of the invention
For in prior art, be that 3D video needs by means of independently functional software by 2D Video Quality Metric, simultaneously, need before conversion 2D video file to be stored in advance local storage directory, to the process resource of system and storage resource consumption larger, and do not have a kind ofly directly to realize by page end the defect that 2D Video Quality Metric is the viewing mode of 3D video, the invention provides method and device thereof that a kind of 2D video and 3D Video Quality Metric play.
It is the method that a kind of 2D video of structure and 3D Video Quality Metric are play that the present invention solves the technical scheme that prior art problem adopts, and the method comprises the following steps:
S1, sets up video image monitor process at a page end, is monitored the 2D video file play by described video image monitor process;
S2, obtains the frame image information of described 2D video file;
S3, sets up frame image information at described page end and extracts process, extracts process extract red component and bluish-green component respectively by described frame image information in described frame image information;
S4, frame image information synthesis process is set up at described page end, by described frame image information synthesis process, described red component and described bluish-green component are synthesized 3D frame picture by the mode preset, simultaneously, described 3D frame picture is reduced to 3D video file, and plays described 3D video file at described page end.
Also S0 in steps before described step S1:
S0, plays described 2D video file at a page end by Flash, when opening 2D video and turn 3D video in playing process, sets up described video image monitor process at described page end;
Described step S2 also comprises:
Set up the first data object for storing described red component;
Set up the second data object for storing described bluish-green component;
Set up the 3rd data object being used for storing synthesis picture.
Described step S3 specifically comprises:
Described frame image information extraction process comprises the first extraction object for extracting red component in described frame image information, and the second extraction object for extracting bluish-green component in described frame image information;
Set up the first filter object indexing array for separating of red component, extract object by described first filter object indexing array and described first and extract red component in described frame image information, and described red component is stored in described first data object;
Set up the second filter object indexing array for separating of bluish-green component, extract object by described second filter object indexing array and described second and extract bluish-green component in described frame image information, and described bluish-green component is stored in described second data object;
Described step S4 specifically comprises:
Described frame image information synthesis process comprises the display object for showing 3D picture, and for calculating the calculating object of conversion 3D picture;
By described calculating object, the red component be stored in described first data object is done the skew of a predetermined amount, the red component after skew is synthesized in described bluish-green component, and the described 3D frame picture after synthesis is stored in described 3rd data object;
In described 3rd data object, add described display object, then described 3D frame picture is reduced to 3D video file, and described page end plays described 3D video file;
In described 3rd data object, remove described display object, then described page end plays described 2D video file.
Described device comprises with lower module:
Monitoring module, for setting up video image monitor process at a page end, being monitored the 2D video file play by described video image monitor process;
Acquisition module, for obtaining the frame image information of described 2D video file;
Extraction module, extracts process for setting up frame image information at described page end, extracts process extract red component and bluish-green component respectively by described frame image information in described frame image information;
Synthesis module, for setting up frame image information synthesis process at described page end, by described frame image information synthesis process, described red component and described bluish-green component are synthesized 3D frame picture by the mode preset, simultaneously, described 3D frame picture is reduced to 3D video file, and plays described 3D video file at described page end.
Described monitoring module, also for playing described 2D video file at a page end by Flash, when opening 2D video and turn 3D video in playing process, sets up described video image monitor process at described page end;
Described acquisition module also comprises data object initialization unit, and described data object initialization unit is used for:
Set up the first data object for storing described red component; Set up the second data object for storing described bluish-green component; Set up the 3rd data object being used for storing synthesis picture.
Described extraction module comprises component extraction unit and filter object indexing array location, wherein,
Described component extraction unit is for setting up the first extraction object for extracting red component in described frame image information, and the second extraction object for extracting bluish-green component in described frame image information;
Described filter object indexing array location is for setting up the first filter object indexing array for separating of red component, extract object by described first filter object indexing array and described first and extract red component in described frame image information, and described red component is stored in described first data object;
Described filter object indexing array location is also for setting up the second filter object indexing array for separating of bluish-green component, extract object by described second filter object indexing array and described second and extract bluish-green component in described frame image information, and described bluish-green component is stored in described second data object;
Described synthesis module comprises the display object unit for showing 3D picture and the calculating object unit for calculating conversion 3D picture, wherein,
The red component be stored in described first data object is done the skew of a predetermined amount by described calculating object unit, is synthesized in described bluish-green component by the red component after skew, and is stored in described 3rd data object by the described 3D frame picture after synthesis;
Display object unit adds described display object in described 3rd data object, and described 3D frame picture is reduced to 3D video file, and described page end plays described 3D video file;
Display object unit also for removing described display object in described 3rd data object, then described page end plays described 2D video file.
Implement the present invention, the conversion between 2D video and 3D video is achieved at page end, Video Quality Metric does not need by means of independently functional software, simultaneously, do not need before conversion 2D video file to be stored in advance local storage directory, save process resource and the storage resources of system, achieve the seamless quick switching between page end 2D video and 3D video.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the method flow diagram that the 2D video that provides of present pre-ferred embodiments and 3D Video Quality Metric are play;
Fig. 2 is the method flow diagram that the 2D video that provides of another embodiment of the present invention and 3D Video Quality Metric are play;
Fig. 3 is the structured flowchart of the 2D video that provides of present pre-ferred embodiments and 3D Video Quality Metric playing device.
Embodiment
Fig. 1 is the method flow diagram that the 2D video that provides of present pre-ferred embodiments and 3D Video Quality Metric are play.Method comprises the following steps:
S1, sets up video image monitor process at a page end, is monitored the 2D video file play by described video image monitor process.The 3D image processing of current Flash web player is adopt complementary colours technology substantially, namely the present invention adopts the red blue pattern of complementary colours technology as embodiment, but be not limited thereto, should understand, principle described below and step slightly convert other patterns be also applicable to based on complementary colours technology.When page end plays 2D video, adopt conventional Flash play-back technology, carried out the video playback of page end by Netstream.play (url) and Video.attachNetStream (Netstream) method.Wherein, first needed the video content play by the display of Video object, then create a Sprite object videoSp and load Video object and the size of video pictures is set, finally videoSp is presented on the display interface of page end.
S2, obtains the frame image information of described 2D video file.Such as, creating a type is that the monitoring enterFrameHandler of Event.ENTER_FRAME is to change the 3D picture of each frame.
S3, sets up frame image information at described page end and extracts process, extracts process extract red component and bluish-green component respectively by described frame image information in described frame image information.Such as, create a BitmapData object _ bpd (width=videoSp.width, height=videoSp.height) stored picture red component is used for, create the picture that a BitmapData object _ 3dbpd (width=videoSp.width, height=videoSp.height) is used for storing synthesis.Meanwhile, create a Bitmap object _ 3dbmp (width=videoSp.width*1.015, height=videoSp.height) and be used for display frame, quote BitmapData object for _ 3dbpd.
S4, frame image information synthesis process is set up at described page end, by described frame image information synthesis process, described red component and described bluish-green component are synthesized 3D frame picture by the mode preset, simultaneously, described 3D frame picture is reduced to 3D video file, and plays described 3D video file at described page end.Create a Rectangle object _ rect (x=0, y=0, width=videoSp.width, height=videoSp.height), be used for a Point object _ pt (x=-videoSp.width*0.015, y=0) and calculate conversion use.Concrete implementation is as described below:
A. pass through _ videoSp.filters=[new ColorMatrixFilter ([1,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,1,0)]
Extract red component be stored in _ bpd.draw (_ videoSp) _ bpd in.
B. pass through _ videoSp.filters=[new ColorMatrixFilter ([0,0,0,0,0,
0,1,0,0,0,
0,0,1,0,0,
0,0,0,1,0)]
Extract green and blue component with _ 3dbpd.draw (_ videoSp) to be stored in _ 3dbpd in.
C. after horizontal for red component right avertence being moved the distance of 1.5%, be synthesized to green and blue component (in _ 3dbpd object) is inner, implementation method is:
_ 3dbpd.copyChannel (_ bpd, _ rect, _ pt, BitmapDataChannel.RED, BitmapDataChannel.RED), so just plays up as 3D picture in _ 3dbmp.
Fig. 2 is the method flow diagram that the 2D video that provides of another embodiment of the present invention and 3D Video Quality Metric are play.
Can also S0 in steps before the step S1 of this method:
S0, plays described 2D video file at a page end by Flash, when opening 2D video and turn 3D video in playing process, sets up described video image monitor process at described page end.Such as, the virtual key that one 2D and 3D video switch is play is set in the function choosing-item district of existing Flash video playback window, when user clicks this virtual key selection broadcasting 2D video, do not need to process original 2D video file, directly play by video playback window, when user clicks this virtual key selection broadcasting 3D video file, then carry out the conversion operations of 2D video to 3D video according to above-mentioned steps S1-S4.Being appreciated that user can play in the process of 2D video file at page end switches to 3D video file to play, and also can play in the process of 3D video file at page end and switch to 2D video file to play.
The step S2 of this method is further comprising the steps of:
Set up the first data object for storing described red component; Set up the second data object for storing described bluish-green component; Set up the 3rd data object being used for storing synthesis picture.As above, described in example, namely the first data object is _ bpd (width=videoSp.width, height=videoSp.height); Second data object is _ bpd2 (width=videoSp.width, height=videoSp.height); 3rd data object is _ 3dbpd (width=videoSp.width, height=videoSp.height).Be appreciated that, because this method be by skew after red component and bluish-green component merge, then the frame image information after merging is stored in the 3rd data object, therefore, can regard the second data object and the 3rd data object as same data object, the second data object and the 3rd data object all can be used for storing the frame image information after synthesizing.In other words, can directly bluish-green component be stored in the 3rd data object, red component after skew and bluish-green component merge and are also stored in by synthesis picture in the 3rd data object in the 3rd data object, and separately need not create the second data object and the 3rd data object that are exclusively used in and store bluish-green component and synthesis picture, namely previous embodiment is this situation.And the present embodiment creates a BitmapData object _ bpd2 (width=videoSp.width, height=videoSp.height) to store bluish-green component on the basis of previous embodiment.
The step S3 of this method specifically comprises:
Described frame image information extraction process comprises the first extraction object for extracting red component in described frame image information, and the second extraction object for extracting bluish-green component in described frame image information;
Set up the first filter object indexing array for separating of red component, extract object by described first filter object indexing array and described first and extract red component in described frame image information, and described red component is stored in described first data object.
As above described in example, the first filter object indexing array:
_videoSp.filters=[new ColorMatrixFilter([1,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,1,0)]
Extract red component be stored in the first data object _ bpd by above-mentioned first filter object indexing array and _ bpd.draw (_ videoSp).
Set up the second filter object indexing array for separating of bluish-green component, extract object by described second filter object indexing array and described second and extract bluish-green component in described frame image information, and described bluish-green component is stored in described second data object.
As above described in example, the second filter object indexing array:
_videoSp.filters=[new ColorMatrixFilter([0,0,0,0,0,
0,1,0,0,0,
0,0,1,0,0,
0,0,0,1,0)]
Extract green and blue component by above-mentioned second filter object indexing array and _ bpd2.draw (_ videoSp) to be stored in the second data object _ bpd2.
The step S4 of this method specifically comprises:
Described frame image information synthesis process comprises the display object for showing 3D picture, and for calculating the calculating object of conversion 3D picture.
As above described in example, create a Bitmap object _ 3dbmp (width=videoSp.width*1.015, height=videoSp.height) and be used for display frame, quote BitmapData object for _ 3dbpd.
Create a Rectangle object _ rect (x=0, y=0, width=videoSp.width, height=videoSp.height), be used for a Point object _ pt (x=-videoSp.width*0.015, y=0) and calculate conversion use.
By described calculating object, the red component be stored in described first data object is done the skew of a predetermined amount, red component after skew and the described bluish-green component be stored in the second data object are synthesized, and the described 3D frame picture after synthesis is stored in described three data object _ 3dbpd.Such as, after horizontal for red component right avertence is moved the distance of 1.5%, synthesize with green and blue component, implementation method is:
_3dbpd.copyChannel(_bpd,_rect,_pt,BitmapDataChannel.RED,BitmapDataChannel.RED)；
_3dbpd.copyChannel(_bpd2,_rect,new Point(0,0),BitmapDataChannel.GREEN,BitmapDataChannel.GREEN);
_3dbpd.copyChannel(_bpd2,_rect,new Point(0,0),BitmapDataChannel.BLUE,BitmapDataChannel.BLUE);
Not only synthesize red variable, also blue with green together with, synthesize the picture of 3 passages.Thus, the 3D picture after being namely play up in _ 3dbmp object.
That is in described three data object _ 3dbpd, add described display object _ 3dbmp play up, described 3D frame picture is reduced to 3D video file, and described page end plays described 3D video file.
In described 3rd data object, remove described display object, then described page end plays described 2D video file.As above described in example, shown the picture of 2D by this sprite display object of videoSp, this Bitmap display object of _ 3dbmp shows 3D picture, replaces in turn and is loaded on stage, just can show different effects, and be switching that is seamless, low delay.
Fig. 3 is the structured flowchart of the 2D video that provides of present pre-ferred embodiments and 3D Video Quality Metric playing device.This device comprises with lower module:
Monitoring module 10, for setting up video image monitor process at a page end, being monitored the 2D video file play by described video image monitor process;
Acquisition module 20, for obtaining the frame image information of described 2D video file;
Extraction module 30, extracts process for setting up frame image information at described page end, extracts process extract red component and bluish-green component respectively by described frame image information in described frame image information;
Synthesis module 40, for setting up frame image information synthesis process at described page end, by described frame image information synthesis process, described red component and described bluish-green component are synthesized 3D frame picture by the mode preset, simultaneously, described 3D frame picture is reduced to 3D video file, and plays described 3D video file at described page end.
Be appreciated that above-mentioned modules is under the control of the processor of this device, by predetermined time, under predetermined instruction, complete the operation corresponding to instruction.
In the apparatus, monitoring module 10 also for playing described 2D video file at a page end by Flash, when opening 2D video and turn 3D video in playing process, setting up described video image monitor process at described page end.
In the apparatus, acquisition module 20 also comprises data object initialization unit 21, described data object initialization unit 21 for:
Set up the first data object for storing described red component; Set up the second data object for storing described bluish-green component; Set up the 3rd data object being used for storing synthesis picture.
In the apparatus, extraction module 30 comprises component extraction unit 31 and filter object indexing array location 32, wherein:
Component extraction unit 31 is for setting up the first extraction object for extracting red component in described frame image information, and the second extraction object for extracting bluish-green component in described frame image information.
Filter object indexing array location 32 is for setting up the first filter object indexing array for separating of red component, extract object by described first filter object indexing array and described first and extract red component in described frame image information, and described red component is stored in described first data object.
Filter object indexing array location 32 is also for setting up the second filter object indexing array for separating of bluish-green component, extract object by described second filter object indexing array and described second and extract bluish-green component in described frame image information, and described bluish-green component is stored in described second data object.
In the apparatus, synthesis module 40 comprises the display object unit 41 for showing 3D picture and the calculating object unit 42 for calculating conversion 3D picture, wherein:
By described calculating object unit 42, the red component be stored in described first data object is done the skew of a predetermined amount, red component after skew is synthesized in described bluish-green component, and the described 3D frame picture after synthesis is stored in described 3rd data object.
Display object unit 41 adds described display object in described 3rd data object, and described 3D frame picture is reduced to 3D video file, and described page end plays described 3D video file.
Display object unit 41 also for removing described display object in described 3rd data object, then described page end plays described 2D video file.
Be appreciated that, implement the present invention, the conversion between 2D video and 3D video is achieved at page end, Video Quality Metric does not need by means of independently functional software, simultaneously, do not need before conversion 2D video file to be stored in advance local storage directory, save process resource and the storage resources of system, achieve the seamless quick switching between page end 2D video and 3D video.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. the method play of 2D video and 3D Video Quality Metric, is characterized in that, said method comprising the steps of:
S1, sets up video image monitor process at a page end, is monitored the 2D video file play by described video image monitor process;
S2, obtains the frame image information of described 2D video file;
S3, sets up frame image information at described page end and extracts process, extracts process extract red component and bluish-green component respectively by described frame image information in described frame image information;
S4, frame image information synthesis process is set up at described page end, by described frame image information synthesis process, described red component and described bluish-green component are synthesized 3D frame picture by the mode preset, simultaneously, described 3D frame picture is reduced to 3D video file, and plays described 3D video file at described page end.
2. the method play of 2D video according to claim 1 and 3D Video Quality Metric, is characterized in that, also S0 in steps before described step S1:
S0, plays described 2D video file at a page end by Flash, when opening 2D video and turn 3D video in playing process, sets up described video image monitor process at described page end.
3. the method play of 2D video according to claim 1 and 3D Video Quality Metric, it is characterized in that, described step S2 also comprises:
Set up the first data object for storing described red component;
Set up the second data object for storing described bluish-green component;
Set up the 3rd data object being used for storing synthesis picture.
4. the method play of 2D video according to claim 3 and 3D Video Quality Metric, it is characterized in that, described step S3 specifically comprises:
Described frame image information extraction process comprises the first extraction object for extracting red component in described frame image information, and the second extraction object for extracting bluish-green component in described frame image information;
Set up the first filter object indexing array for separating of red component, extract object by described first filter object indexing array and described first and extract red component in described frame image information, and described red component is stored in described first data object;
Set up the second filter object indexing array for separating of bluish-green component, extract object by described second filter object indexing array and described second and extract bluish-green component in described frame image information, and described bluish-green component is stored in described second data object.
5. the method play of 2D video according to claim 3 and 3D Video Quality Metric, it is characterized in that, described step S4 specifically comprises:
Described frame image information synthesis process comprises the display object for showing 3D picture, and for calculating the calculating object of conversion 3D picture;
By described calculating object, the red component be stored in described first data object is done the skew of a predetermined amount, the red component after skew is synthesized in described bluish-green component, and the described 3D frame picture after synthesis is stored in described 3rd data object;
In described 3rd data object, add described display object, then described 3D frame picture is reduced to 3D video file, and described page end plays described 3D video file;
In described 3rd data object, remove described display object, then described page end plays described 2D video file.
6. the device play of 2D video and 3D Video Quality Metric, it is characterized in that, described device comprises with lower module:
Monitoring module, for setting up video image monitor process at a page end, being monitored the 2D video file play by described video image monitor process;
Acquisition module, for obtaining the frame image information of described 2D video file;
Extraction module, extracts process for setting up frame image information at described page end, extracts process extract red component and bluish-green component respectively by described frame image information in described frame image information;
Synthesis module, for setting up frame image information synthesis process at described page end, by described frame image information synthesis process, described red component and described bluish-green component are synthesized 3D frame picture by the mode preset, simultaneously, described 3D frame picture is reduced to 3D video file, and plays described 3D video file at described page end.
7. the device play of 2D video according to claim 6 and 3D Video Quality Metric, it is characterized in that, described monitoring module is also for playing described 2D video file at a page end by Flash, when opening 2D video and turn 3D video in playing process, set up described video image monitor process at described page end.
8. the device play of 2D video according to claim 6 and 3D Video Quality Metric, it is characterized in that, described acquisition module also comprises data object initialization unit, and described data object initialization unit is used for:
Set up the first data object for storing described red component; Set up the second data object for storing described bluish-green component; Set up the 3rd data object being used for storing synthesis picture.
9. the device play of 2D video according to claim 8 and 3D Video Quality Metric, it is characterized in that, described extraction module comprises component extraction unit and filter object indexing array location, wherein,
Described component extraction unit is for setting up the first extraction object for extracting red component in described frame image information, and the second extraction object for extracting bluish-green component in described frame image information;
Described filter object indexing array location is for setting up the first filter object indexing array for separating of red component, extract object by described first filter object indexing array and described first and extract red component in described frame image information, and described red component is stored in described first data object;
Described filter object indexing array location is also for setting up the second filter object indexing array for separating of bluish-green component, extract object by described second filter object indexing array and described second and extract bluish-green component in described frame image information, and described bluish-green component is stored in described second data object.
10. the method play of 2D video according to claim 8 and 3D Video Quality Metric, is characterized in that, described synthesis module comprises the display object unit for showing 3D picture and the calculating object unit for calculating conversion 3D picture, wherein,
The red component be stored in described first data object is done the skew of a predetermined amount by described calculating object unit, is synthesized in described bluish-green component by the red component after skew, and is stored in described 3rd data object by the described 3D frame picture after synthesis;
Display object unit adds described display object in described 3rd data object, and described 3D frame picture is reduced to 3D video file, and described page end plays described 3D video file;
Display object unit also for removing described display object in described 3rd data object, then described page end plays described 2D video file.
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| CN105872521A (en) * | 2016-04-26 | 2016-08-17 | 乐视控股（北京）有限公司 | 2D video playing method and device |
| WO2018107997A1 (en) * | 2016-12-15 | 2018-06-21 | 广州市动景计算机科技有限公司 | Method and device for converting video playing mode, and mobile terminal |
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