CN102413350A - Method for processing blue-light 3D (three-dimensional) video - Google Patents
Method for processing blue-light 3D (three-dimensional) video Download PDFInfo
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- CN102413350A CN102413350A CN2011103897072A CN201110389707A CN102413350A CN 102413350 A CN102413350 A CN 102413350A CN 2011103897072 A CN2011103897072 A CN 2011103897072A CN 201110389707 A CN201110389707 A CN 201110389707A CN 102413350 A CN102413350 A CN 102413350A
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Abstract
The invention relates to a video processing technique. The invention provides a method for processing a blue-light 3D (three-dimensional) video which is used for solving the problem that a blue-light 3D program cannot be directly broadcast by an existing stereo display terminal, such as 3D television, 3D mobile phone, and the like. The technical scheme is that the method comprises the following steps: firstly, introducing a content of the blue-light 3D video; setting parameters of a to-be-transcoded video according to the demands of different stereo display terminals; separating the content of the blue-light 3D video; outputting a left-path video, a right-path forecasting video and an audio file; decoding and encoding the right-path forecasting video, thereby acquiring a right-path video; merging the left-path video, the audio and the right-path video; arraying the left-path video and the right-path video into a 3D image spliced pattern according to different stereo display terminals; and lastly, calling an audio/video encoding library to encode a merged content and acquiring a video playing file after ending the encoding. The method for processing the blue-light 3D video has the beneficial effects of being convenient for a user and being suitable to broadcast the blue-light 3D program.
Description
Technical field
The present invention relates to video processing technique, particularly the processing method of blue light 3D video.
Background technology
In the video technique field, main development trend be pursue to natural scene more truly, characteristic clearly.Nowadays simulated television will be replaced by DTV through the development and the application of many decades, and HD digital TV (HDTV) has further improved the authenticity of vision through increasing the resolution that image shows.Present two dimensional surface video the limitation of expression natural scene depth information method made its can not satisfy people to scene true with the demand of reproduction naturally.Eyes are when observing object, and object is slightly variant on the image space on the retina of both eyes, is called binocular parallax.Binocular parallax strengthens the three-dimensional perceived effect of people for real world through the fusion of brain visual cortex.Binocular tri-dimensional video utilizes human eye binocular parallax characteristic; Use two video cameras to obtain two images of same scenery from two different points of view (the viewpoint spacing generally equals people's binocular spacing); And then the right and left eyes of presenting to the people to two images respectively; Brain through handle a left side and look and the right view picture between spacing, the depth information of scenery in the perceptual image makes the image of enjoying have strong depth perception and sense true to nature.Because it is H.264MVC bigger as video compression standard and code check that the video of blue light 3D program adopts; Usually need blue light 3D player ability normal play; At present blue light 3D program can't be play-overed in stereo display terminals such as 3D TV, 3D mobile phone, therefore converts blue light 3D program format into form that existing 3D product can play the popularization of 3D product is had important function.To the processing of blue light 3D video, also do not improve at present and unified method.
Summary of the invention
The present invention seeks to overcome the shortcoming that blue light 3D program can't be play-overed in stereo display terminals such as present 3D TV, 3D mobile phone, a kind of blue light 3D method for processing video frequency is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be, blue light 3D method for processing video frequency is characterized in that, may further comprise the steps:
A. import blue light 3D video content, set the parameter of treating the transcoding video according to the requirement at different stereo displays terminal;
B. blue light 3D content is separated, export left road video, right wing prediction video and audio file;
C. through right wing is predicted video decode, decode content is encoded obtains the right wing video;
D. left road video, audio frequency and right wing video are merged, left road video and right wing video are arranged in the 3D rendering connecting method according to different stereo displays terminal;
E. call the content that the audio/video coding storehouse is combined and encode,, obtain the video playback file up to end-of-encode.
Concrete, among the step a, said parameter comprises resolution, frame per second, code check, coding mode and reference frame number.
Further, said resolution is 1080p or 720p or 480p; Said frame per second is 23.976fps or 24fps or 25fps or 29.97fps or 30fps or 60fps; The span of said code check is 1000～30000Kbps.
Concrete, among the step a, also import the LOGO file during said importing blue light 3D video content;
Further comprising the steps of between step c and the steps d:
F. the LOGO file that imports is added left road video and right wing video, and the abscissa that will add position in left road video and the right wing video is made as different value.
Further again, said LOGO file is static LOGO file or dynamic LOGO file.
Concrete, step b is said when blue light 3D content is separated, and also exports subtitle file;
Further comprising the steps of between said step b and the step c:
G. the subtitle file of output is changed, be divided into left and right sides road subtitle file, through subtitle file abscissa of position in video in left and right sides road is made as different value;
In the steps d, said when left road video, audio frequency and right wing video are merged, also will merge with the subtitle file after the conversion.
Further again, among the step c, the concrete grammar of its decoding and coding is:
C1. in host process, create decoding process, coding process and named pipes, host process is in the wait connection status;
C2. every decoding one two field picture of the process of decoding sends to host process and writes connection request, waits for request results, after host process receives and writes connection request, judges whether named pipes is full, if not then send successful request to the decoding process, otherwise do not send;
C3. the process of decoding writes named pipes with the data of a decode two field picture after receiving the message of successful request, do not cross certain hour and get back to the c2 step and continue to send and write connection request if receive successful request message;
When accomplishing the content encoding content at every turn, the process of c4. encoding reads connection request to the host process transmission; Wait for request results, host process receive read connection request after, judge whether named pipes is completely; If then send successful request, otherwise do not send to the coding process;
C5. the process of encoding empties from the named pipes sense data and with pipeline after receiving the message of successful request, does not cross certain hour and gets back to the c4 step and continue to send and read connection request if receive successful request message;
C6. repeat the c2-c5 step and obtain all right wing videos.
Concrete, the said 3D rendering connecting method of steps d is Side-by-Side or Up-and-Down or Line Interleaved.
The invention has the beneficial effects as follows; Through above-mentioned blue light 3D method for processing video frequency; Efficiently solve stereo display terminals such as present 3D TV, 3D mobile phone and can't play-over the problem of blue light 3D program, make stereo display terminals such as 3D TV or 3D mobile phone can play blue light 3D program, make things convenient for the user.
Embodiment
Blue light 3D method for processing video frequency of the present invention is: at first import blue light 3D video content, set the parameter of treating the transcoding video according to the requirement at different stereo displays terminal, then blue light 3D content is separated; Export left road video, right wing prediction video and audio file; Through right wing is predicted video decode, decode content is encoded obtains the right wing video, and then left road video, audio frequency and right wing video are merged again; According to different stereo displays terminal left road video and right wing video are arranged in the 3D rendering connecting method; Call the content that the audio/video coding storehouse is combined at last and encode,, obtain the video playback file up to end-of-encode.
Embodiment
This example also imports the LOGO file when importing blue light 3D video content, also export subtitle file when blue light 3D content is separated.
At first import blue light 3D video content and LOGO file, the LOGO file can be set the parameter of treating the transcoding video according to the requirement at different stereo displays terminal for static LOGO file or dynamic LOGO file here; This parameter comprises resolution, frame per second, code check, coding mode and reference frame number etc., and wherein, resolution can be 1080p or 720p or 480p etc.; Frame per second can be 23.976fps or 24fps or 25fps or 29.97fps or 30fps or 60fps etc., and the span of code check is 1000～30000Kbps, then blue light 3D content is separated; Export left road video, right wing prediction video, audio file and subtitle file, again the subtitle file of output is changed, be divided into left and right sides road subtitle file; Through subtitle file abscissa of position in video in left and right sides road is made as different value, realize the right and left eyes parallax of subtitle file, and then through right wing is predicted video decode; Decode content encoded obtains the right wing video, when decoding and coding, for fear of the temporary file that generates big volume, shorten the processing time and in host process, create decoding process and the coding process mode through named pipes and realize two communications between the process; Its communication mode is: in host process, create decoding process, coding process and named pipes, host process is in the wait connection status, and every decoding one two field picture of the process of decoding then sends to host process and writes connection request; Wait for request results, after host process receives and writes connection request, judge whether named pipes is full; If not then send successful request to the decoding process, otherwise do not send, the decoding process is after receiving the message of successful request; The data of a decode two field picture are write named pipes; Do not cross certain hour and continue to send and write connection request if receive successful request message, send to host process when the coding process is accomplished the content encoding content at every turn and read connection request, the wait request results; Host process receive read connection request after; Judge that whether named pipes is full, if then send successful request to the coding process, otherwise does not send; The coding process is after receiving the message of successful request; Empty from the named pipes sense data and with pipeline, do not cross certain hour and continue to send and read connection request, repeat said process and obtain all right wing videos if receive successful request message.And then the LOGO file that imports added left road video and right wing video; And the abscissa that will add position in left road video and the right wing video is made as different value; To realize the right and left eyes parallax of LOGO file, again the subtitle file after left road video, audio frequency, right wing video and the conversion is merged, according to different stereo displays terminal left road video and right wing video are arranged in the 3D rendering connecting method; Like Side-by-Side or Up-and-Down or Line Interleaved etc.; Call the content that the audio/video coding storehouse is combined at last and encode,, obtain the video playback file up to end-of-encode.
Claims (10)
1. blue light 3D method for processing video frequency is characterized in that, may further comprise the steps:
A. import blue light 3D video content, set the parameter of treating the transcoding video according to the requirement at different stereo displays terminal;
B. blue light 3D content is separated, export left road video, right wing prediction video and audio file;
C. through right wing is predicted video decode, decode content is encoded obtains the right wing video;
D. left road video, audio frequency and right wing video are merged, left road video and right wing video are arranged in the 3D rendering connecting method according to different stereo displays terminal;
E. call the content that the audio/video coding storehouse is combined and encode,, obtain the video playback file up to end-of-encode.
2. according to the said blue light 3D of claim 1 method for processing video frequency, it is characterized in that among the step a, said parameter comprises resolution, frame per second, code check, coding mode and reference frame number.
3. according to the said blue light 3D of claim 2 method for processing video frequency, it is characterized in that said resolution is 1080p or 720p or 480p.
4. according to the said blue light 3D of claim 2 method for processing video frequency, it is characterized in that said frame per second is 23.976fps or 24fps or 25fps or 29.97fps or 30fps or 60fps.
5. according to the said blue light 3D of claim 2 method for processing video frequency, it is characterized in that the span of said code check is 1000～30000Kbps.
6. according to the said blue light 3D of claim 1 method for processing video frequency, it is characterized in that, among the step a, also import the LOGO file during said importing blue light 3D video content;
Further comprising the steps of between step c and the steps d:
F. the LOGO file that imports is added left road video and right wing video, and the abscissa that will add position in left road video and the right wing video is made as different value.
7. according to the said blue light 3D of claim 6 method for processing video frequency, it is characterized in that said LOGO file is static LOGO file or dynamic LOGO file.
8. according to the said blue light 3D of claim 1 method for processing video frequency, it is characterized in that step b is said when blue light 3D content is separated, and also exports subtitle file;
Further comprising the steps of between said step b and the step c:
G. the subtitle file of output is changed, be divided into left and right sides road subtitle file, through subtitle file abscissa of position in video in left and right sides road is made as different value;
In the steps d, said when left road video, audio frequency and right wing video are merged, also will merge with the subtitle file after the conversion.
9. according to the said blue light 3D of claim 1 method for processing video frequency, it is characterized in that among the step c, the concrete grammar of its decoding and coding is:
C1. in host process, create decoding process, coding process and named pipes, host process is in the wait connection status;
C2. every decoding one two field picture of the process of decoding sends to host process and writes connection request, waits for request results, after host process receives and writes connection request, judges whether named pipes is full, if not then send successful request to the decoding process, otherwise do not send;
C3. the process of decoding writes named pipes with the data of a decode two field picture after receiving the message of successful request, do not cross certain hour and get back to the c2 step and continue to send and write connection request if receive successful request message;
When accomplishing the content encoding content at every turn, the process of c4. encoding reads connection request to the host process transmission; Wait for request results, host process receive read connection request after, judge whether named pipes is completely; If then send successful request, otherwise do not send to the coding process;
C5. the process of encoding empties from the named pipes sense data and with pipeline after receiving the message of successful request, does not cross certain hour and gets back to the c4 step and continue to send and read connection request if receive successful request message;
C6. repeat the c2-c5 step and obtain all right wing videos.
10. according to the said blue light 3D of claim 1 method for processing video frequency, it is characterized in that the said 3D rendering connecting method of steps d is Side-by-Side or Up-and-Down or Line Interleaved.
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| CN102780896A (en) * | 2012-05-31 | 2012-11-14 | 新奥特（北京）视频技术有限公司 | Method for supporting three-dimensional (3D) technology through stream media materials |
| CN102802002A (en) * | 2012-08-14 | 2012-11-28 | 上海艾麒信息科技有限公司 | Method for mobile phone to play back 3-dimensional television videos |
| WO2014166334A1 (en) * | 2013-04-10 | 2014-10-16 | 中兴通讯股份有限公司 | Depth information encoding and decoding method, system, and device |
| CN108600858A (en) * | 2018-05-18 | 2018-09-28 | 高新兴科技集团股份有限公司 | A kind of video broadcasting method of simultaneous display AR information |
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| CN102413350B (en) | 2014-04-16 |
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