CN103686450A - Video processing method and system - Google Patents
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Abstract
The invention provides a video processing method and a video processing system thereof. The video processing system comprises a video acquisition module, a video processing module and a video output module; the video acquisition module is used for acquiring video data provided by a video source; the video processing module is used for acquiring video processing instructions according to input operating information, and carrying editorial processing to the acquired video data in real time according to the video processing instructions; the video output module is used for outputting processed video data. The video processing method and the video processing system have the advantages that the video data from the video source is acquired, the video data is subjected to real-time editorial processing according to the video processing instructions inputted by a user, and then the video is outputted, so that a hosting end can edit online video outputted locally in real time, the hosting end can set the playing effect of video to be transmitted as needed, the video data shot by a camera of the hosting end can be restored in real time in case of fault, and the watching of an audience end is not affected.
Description
Technical field
The present invention relates to the technical field that Internet video is processed, particularly relate to a kind of method for processing video frequency, and a kind of processing system for video.
Background technology
Along with the development of network video technique, the especially appearance of diverse network real-time interactive product, has driven the development of this industry of Internet video main broadcaster, and Internet video main broadcaster has also become a popular profession of the Internet.Internet video main broadcaster, in live process, need to open camera and microphone and spectators' real-time interactive.
Yet main broadcaster holds the video of output just to take by camera the real-time video getting merely, result of broadcast is more dull; And when the video of holding camera to take main broadcaster has problem, can have influence on watching of spectators.
Summary of the invention
Video display effect for the transmission of existing network video technique is dull, has influence on spectators' the problem of watching.The present invention proposes a kind of processing system for video, and a kind of method for processing video frequency.
A processing system for video, comprising: video acquiring module, video processing module and video output module;
Described video acquiring module is for obtaining the video data that video source provides;
Described video processing module, for according to the operation information acquisition Video processing instruction of input, carries out real-time edition processing according to described Video processing instruction to the video data gathering;
Described video output module is for exporting the video data after processing.
A method for processing video frequency, comprises the following steps:
Obtain the video data that video source provides;
According to the operation information acquisition Video processing instruction of input, according to described Video processing instruction, the video data gathering is carried out to real-time edition processing;
Video data after output is processed.
In method for processing video frequency of the present invention and system thereof, the video data providing by obtaining video source, according to the Video processing instruction of user's input, video data is carried out to real-time edition processing, then output, main broadcaster is held and can carry out real-time edition to Internet video, main broadcaster's end can be according to the result of broadcast that video need to be set of oneself, no longer dull, and when main broadcaster holds the video data of camera shooting to have problem, also can repair or modify by real-time edition, can not affect watching of viewer end.By described enforcement, edit, can adjust the video format of transmission etc., to adapt to the broadcast request of different viewer end, can also improve more efficiently the operating efficiency of main broadcaster's end, also can make main broadcaster hold and use more easily various audio frequency and video functions.
Accompanying drawing explanation
Fig. 1 is the structural representation of processing system for video the first execution mode of the present invention;
Fig. 2 is the structural representation of processing system for video the second execution mode of the present invention;
Fig. 3 is the schematic flow sheet of method for processing video frequency of the present invention.
Embodiment
Refer to Fig. 1, Fig. 1 is the structural representation of processing system for video the first execution mode of the present invention.
Described processing system for video, comprising: video acquiring module 10, video processing module 20 and video output module 30;
The video data that described video acquiring module 10 provides for obtaining video source;
Described video processing module 20, for according to the operation information acquisition Video processing instruction of input, carries out real-time edition processing according to described Video processing instruction to the video data gathering;
Described video output module 30 is for exporting the video data after processing.
In processing system for video of the present invention, the video data providing by obtaining video source, according to the Video processing instruction of user's input, video data is carried out to real-time edition processing, then output, main broadcaster is held can carry out real-time edition to Internet video, and main broadcaster's end can be according to the result of broadcast that Internet video need to be set of oneself, no longer dull, and when main broadcaster holds the video data of camera shooting to have problem, also can repair or modify by real-time edition, can not affect watching of viewer end.By described enforcement, edit, can adjust the video format of transmission etc., to adapt to the broadcast request of different viewer end, can also improve more efficiently the operating efficiency of main broadcaster's end, also can make main broadcaster hold and use more easily various audio frequency and video functions.
Wherein, the video data that described video source provides comprises: playing video data, screen capture video data and the video data obtaining by true picture pick-up device shooting.
Described video acquiring module can be obtained local video file according to user instruction, described video file is carried out to playback process and obtain video data;
Or described video acquiring module can gather the image that specific region on screen shows according to user instruction, by the image generating video data that gather;
Or described video acquiring module can be obtained picture pick-up device and take the video data obtaining.
Particularly, can select control by the source video sequence creating at local user interface, when described source video sequence selects control to be triggered, eject source video sequence selection window, and in described source video sequence selection window, provide selection source video sequence to select link, for user, select.
Described video processing module 20, for according to the operation information acquisition Video processing instruction of input, carries out real-time edition processing according to described Video processing instruction to the video data gathering;
Wherein, described operation information can be detected and be obtained by local user interface, when user clicks the corresponding operating button on local user interface, described video data is carried out to corresponding real-time edition and process.
In one embodiment, described video processing module comprises the one or more combinations with lower module:
Video parameter adaptation module 201, for detection of the display format parameter that receives the playing program of described video data, and is adjusted to corresponding display format according to described display format parameter by described video data; Wherein, described formal mode parameter comprises image resolution ratio, displaying ratio and/or frame per second;
Special efficacy processing module 202, the suspension member image of selecting for cache user, by the suspension member image stack in the every frame video image in described video data and buffer memory; Wherein, described suspension member image comprises still image and dynamic image;
Wherein, described video parameter adaptation module 201 can be realized by background server, can detect the display format parameter of the playing program that receives described video data, the resolution of for example obtaining the video data of camera collection is 320*240, displaying ratio is 4:3, frame per second is 60fps, and not identical by resolution, displaying ratio and the frame per second of the spectators A client of network receiving video data and the playing program of spectators B client.The video parameter adaptation module 201 moving on background server is when receiving the video-see request of described spectators A client and spectators B client, obtain respectively the display format parameter of the two, then every two field picture of the video data of camera collection is converted to respectively to corresponding resolution and displaying ratio, and then adjustment output frame rate, itself and corresponding client are matched, to reach best display effect.
202 pairs of video images of described special efficacy processing module add suspension member image, are the major functions that main broadcaster's camera collection video data is processed, and this function is to increase some suspension member effects at the video data picture to main broadcaster.Described special efficacy processing module 202 obtains according to user's instruction the suspension member image that main broadcaster user selects, described suspension member image comprises that still image is as png, jpg file, also comprise that dynamic image is as gif animation, by suspension member image analysis and be kept in buffering, in the time of camera captured video data, the image of stack buffering on the video image basis of every frame.Described video data outputs to local playback equipment by described video output module 30, also through Internet Transmission, sends simultaneously, makes viewer end also can see this effect.
Described image whitening module 203, according to default noise gate and sharpening parameter, is carried out denoising and sharpening processing to described video data.Wherein, noise gate and sharpening parameter can be by technical staff according to image instruction requirements set.Through described denoising and sharpening, process, can eliminate the noise in video image, make image more level and smooth, to facial image, can reach the effect of similar skin makeup.Be equivalent in real time video data be carried out to whitening processing.Conventionally directly pass through camera collection image out, have some noises, it is untrue not attractive in appearance that image seems, by the processing of described image whitening module 203, can real-time noise-reducing, and make image more attractive in appearance.Some video main broadcaster, face is white not, and even also some small pox and so on impact is attractive in appearance, and described image whitening module 203 is can main broadcaster's face more attractive in appearance.And, described image whitening module 203 in real time to a two field picture of video data with regard to utilizing the video card of computer to carry out image operation, can accomplish real-time processing, show in real time, improved user's experience.
Described filter module 204 is selected described video data filter special efficacy according to user, carries out corresponding filter special effect processing to described video data.Described filter special efficacy comprises: Double sided mirror processing, flip horizontal and flip vertical etc.
Wherein, Double sided mirror is processed and to be referred to that video image be take to center line does symmetrical treatment as the every frame video image of bound pair, for example for camera, take the every frame video image obtaining, by the center line of video image, be line of cut, the left side is according to pixels copied symmetrically and is filled into region, the right to the view data of this center line.
It is that every frame video image of the video data obtaining is according to pixels deposited to two-dimensional array that described flip horizontal is processed, obtain horizontal array, by the subscript of horizontal array with one group of data exchange, for example the corresponding array of video image at 320*240 is array[320] [240], during flip horizontal by array[i] [0]～array[i] whole array of pixels and the array[319-i of [239]] [0]～array[319-i] [239] whole array exchange.
Described flip vertical is processed with flip horizontal similar, that every frame video image of the video data obtaining is according to pixels deposited to two-dimensional array, obtain vertical array, by the subscript of vertical array with one group of data exchange, for example the vertical array at 320*240 is array[320] [240], by array[0] [i]～array[239] every 240 pixels and the array[0 of [i]] [319-i]～array[239] every 240 pixels exchange of [319-i].
Described image stretch module 205, according to the stretch ratio of user's input, is carried out stretch processing to every frame video image of described video data, can change the ratio that video image shows.For portrait, can reach the effect of thin face.Thin face is the function that a lot of main broadcasters like, especially user near in camera, because the distortion of camera can make face become large, and by thin face, can more can show main broadcaster's live image.Thin face effect is that the view data to collecting is done a stretch processing in fact.
Main broadcaster often can be shown to spectators by some information in the live while and see, at this time needs to have word input effect.Described captions module 206 is obtained the Word message of user input, and the every frame video image of described video data of take is background, and corresponding Word message is plotted on every frame video image with text formatting.Described Word message is used system text output function, need to take every frame video image as background, and by word, by user-defined color and size, playback equipment is drawn out and outputed to font, or through Internet Transmission, spectators also can synchronously see.Described Word message, except common language effect, also can have and dazzle color text effects.
After the video data of 20 pairs of collections of described video processing module carries out real-time edition processing, video data after described video output module 30 outputs are processed, make viewer end watch described video data by network, thereby realize video editing and live effect.
The video data way of output of described video output module 30 can be that the video data after described processing is preserved into video file, then in this locality, stores; Or described video data is outputed in playback equipment and play, or export web-transporting device to, by described web-transporting device, send to given server or network user end.
Further, described processing system for video also can comprise: video playback module 40, described video playback module 40, for obtaining the window handle of the video playback window of local user interface, is play the described video data after processing in described video playback window.
In described local user interface, be provided with video playback window, the video data after 40 pairs of described processing of described video playback module carries out playback process, and according to the window handle of described video playback window, in described video playback window, plays.By described video playback module 40, main broadcaster is held and can watch in this locality the video effect that exports viewer end to, and can adjust the real-time edition effect of described video data.For example, by dragging to change suspension member, the position of captions etc., changes image stretch degree or filter effect etc. by operation.
As a kind of preferred implementation, described special efficacy processing module 202 detects the operation information of the viewing area of described suspension member image in described video playback window, selected when the viewing area of described suspension member image being detected, and while move being detected, shift position according to the described suspension member image of the calculating of described move in described video image, adjusts the superposed positions of described suspension member image and video image according to described shift position.Thereby the shirtsleeve operation such as main broadcaster is held can click by mouse, drag realize the position of suspension member in video image, adjust, very convenient.
And, in described local user interface, video playback control panel can be further set, by described video playback control panel, receiver, video Play Control information, according to described video playback control information, control the play operation of described video data, and when video playback being detected and stop, stopping sending video data by network.Make main broadcaster hold broadcasting and the transmission of the data that can control easily video.
Refer to Fig. 2, Fig. 2 is the structural representation of processing system for video the second execution mode of the present invention.
The described processing system for video of present embodiment and the main distinction of the first execution mode are, also comprise: audio frequency acquisition module and audio frequency relating module; Described audio frequency acquisition module 50 is for obtaining the voice data of audio input device input; Described audio frequency relating module 60 is for carrying out associated by the voice data obtaining with described video data.
Described audio frequency acquisition module 50 and audio frequency relating module 60, be mainly used in local main broadcaster end by the external audio frequency input equipment input audio datas such as microphone output, so as with other user sides with voice interface.
Further, the described processing system for video of present embodiment also can comprise: audio file library (not shown) and audio playing module 70, and described audio file library is for storing audio files;
Described audio playing module 70, for audio file is carried out to audio frequency playback process, is obtained corresponding voice data associated with described video data.
By described audio file library and described audio playing module 70, main broadcaster's end not only can pass through microphone input audio data, can also play accompaniment music in this locality, the external source of sound that described accompaniment music and audio frequency acquisition module 50 obtain is independent mutually, and identification realizes the function of voice broadcast and accompaniment.Therefore can hold the function that realizes online Karaoke main broadcaster, and without increasing device plays background music in the site environment at main broadcaster's end.
Further, described audio playing module 70 can comprise original singer's pattern and accompaniment pattern, by play mode switching push button is provided on local user interface, receives the instruction that play mode is switched, and carries out the switching of play mode.When described audio playing module 70 switches to original singer's pattern, audio file is carried out to general audio frequency playback process; When described audio playing module 70 switches to accompaniment pattern, when audio file being carried out to general audio frequency playback process, further the volume of voice wherein reduced or eliminate, and normal play accompaniment music.Original singer's pattern and accompaniment pattern by described audio playing module 70, can realize better Karaoke effect.
Can there be following two kinds of patterns in audio file source in described audio file library: search down-load music or the local music that imports.
Search down-load music refers in the music storehouse providing at server to be searched for.Local client is combined into one section of http request according to the search key of user's input, after server end is resolved, the Search Results in music storehouse is turned back to client by xml form, client is resolved xml file again and is combined into search listing and shows main broadcaster user to select to download.Online music storehouse can provide accompaniment version and original singer's version, and main broadcaster downloads after song when playing, and can accompany and original singer according to own need to switching by the button on local user interface.
For realizing local music, import and import in batches.Can be when the interpolation instruction that receives local music, detect mouse action, when the selection local music file of mouse being detected and drag in the playlist of local user interface, corresponding local music file is added in described playlist.
Third party's accompaniment file can also be imported to playlist according to user's selection.Interface is resolved in the deciphering mainly providing by third party's music for the parsing of third party's list, and list is reduced to visual playlist, then reads in the playlist of described audio playing module 70.
Audio frequency Play Control panel can also be set in described local user interface, by described audio frequency Play Control panel audio reception Play Control information, according to described audio frequency Play Control information, control audio frequency and play.
In one embodiment, described processing system for video also comprises with the one or more (not shown) in lower module:
Atmosphere audio playing module, the atmosphere audio broadcast button for by described user interface, obtains atmosphere audio play instruction; Wherein, the corresponding atmosphere audio audio file storing in advance of atmosphere audio broadcast button described in each; According to described atmosphere audio play instruction, obtain corresponding atmosphere audio audio file, described atmosphere audio audio file is carried out to playback process, obtain atmosphere voice data, and described atmosphere voice data is associated with described video data;
Synchronous lyrics module, for obtaining the lyrics file that in progress audio file is corresponding and resolving described lyrics file, carries out according to described audio file the real-time progress that audio frequency is play, and shows corresponding lyric characters;
Screen capture module, for according to selected screen capture region, obtains the image that current time shows in described screen capture region;
Video record module, for obtaining described video data and the voice data after processing, is packaged into audio frequency and video recorded file by the described video data obtaining and voice data;
Audio and video output interface module, for Softcam interface is provided, when described Softcam interface is called by relevant device, exports video data and the described voice data after described processing to calling the equipment of described Softcam interface;
Network sending module, for sending to given server by described video data and voice data by network.
Wherein, described atmosphere audio playing module stores atmosphere audio audio file in advance, and described atmosphere audio audio file is for example one section of brief mp3 form, by system bottom, is called and is play this mp3 and obtain atmosphere voice data by sound card collection.Described atmosphere voice data can propagate across the network to viewer end, allows like this main broadcaster and spectators hear atmosphere sound simultaneously.The corresponding atmosphere audio audio file storing in advance of atmosphere audio broadcast button described in each, user live broadcast only need be pressed corresponding button just can play atmosphere audio.
Described synchronous lyrics module 60 can provide the demonstration of synchronized lyrics.Lyrics file is generally krc form accurately.The accuracy of its lyrics can reach a millisecond rank.Accompaniment file can be returned to described synchronous lyrics module 60 progress of broadcasting when bottom audio playing module 70 is play, described synchronous lyrics module 60 is done dissection process to the krc lyrics in advance, when receiving broadcasting notice, described synchronous lyrics module 60 will be returned to certain word constantly, and is now engraved in the position accounting in this word.The effect of transition gradual change will play up out and can realize at user interface layer to the demonstration captions at certain a moment like this.
The described synchronous lyrics module 60 demonstration lyrics can be taked 3 kinds of modes:
Be that the lyrics are embedded into a video, described synchronous lyrics module 60 to video processing module, on video image, and outputs to video equipment by Word-Drawing by the text notification showing, simultaneously also by network direct broadcasting to spectators.
The second is to show in lyrics panel, by the UI layer of described synchronous lyrics module 60 readjustment clients, by the scale of word and demonstration at lyrics panel.
The third is to show at desktop, by described synchronous lyrics module 60 readjustment desktop display layers, word and displaying ratio is plotted in to desktop UI, can regulate the demonstration size of the desktop lyrics and color etc.
Described screen capture module, according to selected screen capture region, is obtained the image that current time shows in described screen capture region.Wherein, screen capture comprises following several mode:
Full screen: full screen catches and refers to main broadcaster to hold whole desktop to catch.Described screen capture module is held the image of the zone of action of screen by obtaining whole main broadcaster, IMAQ is arrived to shared drive, then be transferred to main broadcaster's playback equipment handle, and send by network, makes viewer end also can see the screen picture capturing.
Specified window: specified window refers to specify certain window area on desktop by user, and described screen capture obtains mouse event and position by UI layer, can capture movable window handle, then by its IMAQ.
Region catches: it is that an adjustable self-defined window catches that region catches, and user can self-defined window size at UI layer, by pulling, by the activity of main broadcaster's end in the data capture of this window to shared drive and be transferred to playback equipment.
Described video record module provides the function that allows main broadcaster record live effect.Described video record module can be recorded software with ffmpeg and carry out h264 coding formation video data to gathering image, wherein, all view data under the video playback window handle that the video data of recording comprises local user interface, that is, comprise the video data of camera collection and the Overlay of various special effect processing.Also available lamemp3 software carries out high definition coding to the voice data collecting and forms mp3 audio stream in addition, the stack that described audio stream comprises the sound that audio accompaniment and microphone collect by sound card.Described video record module can adopt mkv as container, and audio/video flow is packaged into recorded file clearly.
Described audio and video output interface module, for providing Softcam interface.Described Softcam interface is the same with the virtual interface of general camera, cog region at camera device shows, when user opens camera cog region, just can view described Softcam interface and general utilizing camera interface simultaneously, for example, by selecting (clicking) described Softcam interface, can call described Softcam interface.
When described Softcam interface is called by relevant device, described audio and video output interface module is exported video data and the described voice data after described processing, the output of Reality simulation camera to calling the equipment of described Softcam interface.
Described network sending module sends to given server by described video data and voice data by network.For each spectators' user side, watch online or download described video data and voice data.
By processing system for video of the present invention, make network main broadcaster do living broadcast interactive and not only can add all kinds of video effects, can also add number voice effect.And can require to differ to the input source of video product and caused such as problems such as video are flat, make Automatic-drawing etc. and adjust and process.
Refer to Fig. 3, Fig. 3 is the schematic flow sheet of method for processing video frequency of the present invention.
Described method for processing video frequency, comprises the following steps:
S302, obtains the video data that video source provides;
S304, according to the operation information acquisition Video processing instruction of input, carries out real-time edition processing according to described Video processing instruction to the video data gathering;
S306, the video data after output is processed.
In method for processing video frequency of the present invention, the video data providing by obtaining video source, according to the Video processing instruction of user's input, video data is carried out to real-time edition processing, then output, main broadcaster is held can carry out real-time edition to Internet video, and main broadcaster's end can arrange the result of broadcast that sends video according to the needs of oneself, no longer dull, and when main broadcaster holds the video data of camera shooting to have problem, also can repair or modify by real-time edition, can not affect watching of viewer end.By described enforcement, edit, can adjust the video format of transmission etc., to adapt to the broadcast request of different viewer end, can also improve more efficiently the operating efficiency of main broadcaster's end, also can make main broadcaster hold and use more easily various audio frequency and video functions.
Wherein, the video data that described video source provides comprises: playing video data, screen capture video data and the video data obtaining by true picture pick-up device shooting.
Therefore,, in described step S302, can obtain in the following manner video data:
According to user instruction, obtain local video file, described video file is carried out to playback process and obtain video data;
Or, according to user instruction, gather the image that specific region on screen shows, by the image generating video data that gather;
Or, obtain picture pick-up device and take the video data obtaining.
Particularly, can select control by the source video sequence creating at local user interface, when described source video sequence selects control to be triggered, eject source video sequence selection window, and in described source video sequence selection window, provide selection source video sequence to select link, for user, select.
In step S304, according to the operation information acquisition Video processing instruction of input, according to described Video processing instruction, the video data gathering is carried out to real-time edition processing.
Wherein, described operation information can be detected and be obtained by local user interface, when user clicks the corresponding operating button on local user interface, described video data is carried out to corresponding real-time edition and process.
In one embodiment, described real-time edition is processed one or more the combination comprising:
Detect the display format parameter of the playing program that receives described video data, and according to described display format parameter, described video data is adjusted to corresponding display format; Wherein, described formal mode parameter comprises image resolution ratio, displaying ratio and/or frame per second;
The suspension member image that cache user is selected, by the suspension member image stack in the every frame video image in described video data and buffer memory; Wherein, described suspension member image comprises still image and dynamic image;
According to default noise gate and sharpening parameter, described video data is carried out to denoising and sharpening processing;
The filter special efficacy that described video data is selected according to user, described video data is carried out to corresponding filter special effect processing, wherein, described filter special efficacy comprises: video image be take to its center line, and as boundary, automatically symmetrical Double sided mirror is processed, video image flip horizontal is processed and/or video image flip vertical is processed;
According to the stretch ratio of user's input, every frame video image of described video data is carried out to stretch processing;
Obtain the Word message of user input, the every frame video image of described video data of take is background, and corresponding Word message is plotted on every frame video image with text formatting.
Wherein, video parameter self adaptation can realize by background server, can detect the display format parameter of the playing program that receives described video data, the resolution of for example obtaining the video data of camera collection is 320*240, displaying ratio is 4:3, frame per second is 60fps, and not identical by resolution, displaying ratio and the frame per second of the spectators A client of network receiving video data and the playing program of spectators B client.At background server when receiving the video-see request of described spectators A client and spectators B client, obtain respectively the display format parameter of the two, then every two field picture of the video data of camera collection is converted to respectively to corresponding resolution and displaying ratio, and then adjustment output frame rate, itself and corresponding client are matched, to reach best display effect.
Video image is added to suspension member image, is the major function that main broadcaster's camera collection video data is processed, and this function is to increase some suspension member effects at the video data picture to main broadcaster.According to user's instruction, obtain the suspension member image that main broadcaster user selects, described suspension member image comprises that still image is as png, jpg file, also comprise that dynamic image is as gif animation, by suspension member image analysis and be kept in buffering, in the time of camera captured video data, the image of stack buffering on the video image basis of every frame.Described video data outputs to local playback equipment, also through Internet Transmission, sends simultaneously, makes viewer end also can see this effect.
Described video data is carried out in denoising and sharpening processing procedure, and noise gate and sharpening parameter can be by technical staff according to image instruction requirements set.Through described denoising and sharpening, process, can eliminate the noise in video image, make image more level and smooth, to facial image, can reach the effect of similar skin makeup.Be equivalent in real time video data be carried out to whitening processing.Conventionally directly by camera collection image out, have some noises, it is untrue not attractive in appearance that image seems, can real-time noise-reducing by denoising and sharpening processing, and make image more attractive in appearance.Some video main broadcaster, face is white not, and even also some small pox and so on impact is attractive in appearance, by denoising and sharpening, is processed and can be allowed main broadcaster's face more attractive in appearance.And, in real time to a two field picture of video data with regard to utilizing the video card of computer to carry out image operation, can accomplish real-time processing, show in real time, improved user's experience.
Described video data is carried out in corresponding filter special effect processing, and described filter special efficacy comprises: Double sided mirror processing, flip horizontal and flip vertical etc.
Wherein, Double sided mirror is processed and to be referred to that video image be take to its center line does symmetrical treatment as the every frame video image of bound pair, for example for camera, take the every frame video image obtaining, by the center line of video image, be line of cut, the left side is according to pixels copied symmetrically and is filled into region, the right to the view data of this center line.
It is that every frame video image of the video data obtaining is according to pixels deposited to two-dimensional array that described flip horizontal is processed, obtain horizontal array, by the subscript of horizontal array with one group of data exchange, for example the corresponding array of video image at 320*240 is array[320] [240], during flip horizontal by array[i] [0]～array[i] whole array of pixels and the array[319-i of [239]] [0]～array[319-i] [239] whole array exchange.
Described flip vertical is processed with flip horizontal similar, that every frame video image of the video data obtaining is according to pixels deposited to two-dimensional array, obtain vertical array, by the subscript of vertical array with one group of data exchange, for example the vertical array at 320*240 is array[320] [240], by array[0] [i]～array[239] every 240 pixels and the array[0 of [i]] [319-i]～array[239] every 240 pixels exchange of [319-i].
Every frame video image to described video data carries out stretch processing, can change the ratio that video image shows.For portrait, can reach the effect of thin face.Thin face is the function that a lot of main broadcasters like, especially user near in camera, because the distortion of camera can make face become large, and by thin face, can more can show main broadcaster's live image.Thin face effect is that the view data to collecting is done a stretch processing in fact.
Main broadcaster often can be shown to spectators by some information in the live while and see, at this time needs to have word input effect.Described Word message is used system text output function, need to take every frame video image as background, and by word, by user-defined color and size, playback equipment is drawn out and outputed to font, or through Internet Transmission, spectators also can synchronously see.Described Word message, except common language effect, also can have and dazzle color text effects.
After the video data gathering is carried out to real-time edition processing, video data after output is processed, making described video data can be played program plays, or be sent to viewer end by network, viewer end can be watched described video data by network, thereby realizes video editing and live effect.
Further, described method for processing video frequency also can comprise the following steps:
Obtain the window handle of the video playback window of local user interface, the described video data after processing is play in described video playback window.
In described local user interface, be provided with video playback window, the video data after described processing is carried out to playback process, and according to the window handle of described video playback window, in described video playback window, play.Main broadcaster is held and can watch in this locality the video effect that exports viewer end to, and can adjust the real-time edition effect of described video data.For example, by dragging to change suspension member, the position of captions etc., changes image stretch degree or filter effect etc. by operation.
As a kind of preferred implementation, detect the operation information of the viewing area of described suspension member image in described video playback window, selected when the viewing area of described suspension member image being detected, and while move being detected, shift position according to the described suspension member image of the calculating of described move in described video image, adjusts the superposed positions of described suspension member image and video image according to described shift position.Thereby the shirtsleeve operation such as main broadcaster is held can click by mouse, drag realize the position of suspension member in video image, adjust, very convenient.
And, in described local user interface, video playback control panel can be further set, by described video playback control panel, receiver, video Play Control information, according to described video playback control information, control the play operation of described video data, and when video playback being detected and stop, stopping sending video data by network.Make main broadcaster hold broadcasting and the transmission of the data that can control easily video.
One of ordinary skill in the art will appreciate that all or part of flow process and corresponding system, the described music player realized in above-mentioned execution mode, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise the flow process as the respective embodiments described above.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a processing system for video, is characterized in that, comprising: video acquiring module, video processing module and video output module;
Described video acquiring module is for obtaining the video data that video source provides;
Described video processing module, for according to the operation information acquisition Video processing instruction of input, carries out real-time edition processing according to described Video processing instruction to the video data gathering;
Described video output module is for exporting the video data after processing.
2. processing system for video as claimed in claim 1, is characterized in that, described video processing module comprises one or more with lower module:
Video parameter adaptation module, for detection of the display format parameter that receives the playing program of described video data, and is adjusted to corresponding display format according to described display format parameter by described video data; Wherein, described formal mode parameter comprises image resolution ratio, displaying ratio and/or frame per second;
Special efficacy processing module, the suspension member image of selecting for cache user, by the suspension member image stack in the every frame video image in described video data and buffer memory; Wherein, described suspension member image comprises still image and dynamic image;
Image whitening module, for according to default noise gate and sharpening parameter, carries out denoising and sharpening processing to described video data;
Filter module, for the filter special efficacy that described video data is selected according to user, described video data is carried out to corresponding filter special effect processing, wherein, described filter special efficacy comprises: video image be take to its center line, and as boundary, automatically symmetrical Double sided mirror is processed, video image flip horizontal is processed and/or video image flip vertical is processed;
Image stretch module, for according to the stretch ratio of user's input, carries out stretch processing to every frame video image of described video data;
Captions module, for obtaining the Word message of user input, the every frame video image of described video data of take is background, and corresponding Word message is plotted on every frame video image with text formatting.
3. the processing system for video as described in claim 1 or 2, is characterized in that,
Described video acquiring module, according to user instruction, is obtained video file, described video file is carried out to playback process and obtain video data;
Or described video acquiring module, according to user instruction, gathers the image that specific region on screen shows, by the image generating video data that gather;
Or described video acquiring module is obtained picture pick-up device and is taken the video data obtaining.
4. the processing system for video as described in claim 1 or 2, it is characterized in that, also comprise: video playback module, for obtaining the window handle of the video playback window of local user interface, the described video data after processing is play in described video playback window.
5. processing system for video as claimed in claim 4, is characterized in that, also comprises:
Audio frequency acquisition module, for obtaining the voice data of audio input device input;
Audio frequency relating module, for carrying out associated by the voice data obtaining with described video data.
6. processing system for video as claimed in claim 5, is characterized in that, also comprises:
Audio file library, for storing audio files;
Audio playing module, for audio file is carried out to audio frequency playback process, obtains corresponding voice data associated with described video data.
7. processing system for video as claimed in claim 6, is characterized in that, also comprises one or more with in lower module:
Atmosphere audio playing module, the atmosphere audio broadcast button for by described user interface, obtains atmosphere audio play instruction; Wherein, the corresponding atmosphere audio audio file storing in advance of atmosphere audio broadcast button described in each; According to described atmosphere audio play instruction, obtain corresponding atmosphere audio audio file, described atmosphere audio audio file is carried out to playback process, obtain atmosphere voice data, and described atmosphere voice data is associated with described video data;
Synchronous lyrics module, for obtaining the lyrics file that in progress audio file is corresponding and resolving described lyrics file, carries out according to described audio file the real-time progress that audio frequency is play, and shows corresponding lyric characters;
Screen capture module, for according to selected screen capture region, obtains the image that current time shows in described screen capture region;
Video record module, for obtaining described video data and the voice data after processing, is packaged into audio frequency and video recorded file by the described video data obtaining and voice data;
Audio and video output interface module, for Softcam interface is provided, when described Softcam interface is called by relevant device, exports video data and the described voice data after described processing to calling the equipment of described Softcam interface;
Network sending module, for sending to given server by described video data and voice data by network.
8. a method for processing video frequency, is characterized in that, comprises the following steps:
Obtain the video data that video source provides;
According to the operation information acquisition Video processing instruction of input, according to described Video processing instruction, the video data gathering is carried out to real-time edition processing;
Video data after output is processed.
9. method for processing video frequency as claimed in claim 8, is characterized in that, described real-time edition is processed and comprised following one or more steps:
Detect the display format parameter of the playing program that receives described video data, and according to described display format parameter, described video data is adjusted to corresponding display format; Wherein, described formal mode parameter comprises image resolution ratio, displaying ratio and/or frame per second;
The suspension member image that cache user is selected, by the suspension member image stack in the every frame video image in described video data and buffer memory; Wherein, described suspension member image comprises still image and dynamic image;
According to default noise gate and sharpening parameter, described video data is carried out to denoising and sharpening processing;
The filter special efficacy that described video data is selected according to user, described video data is carried out to corresponding filter special effect processing, wherein, described filter special efficacy comprises: video image be take to center line, and as boundary, automatically symmetrical Double sided mirror is processed, video image flip horizontal is processed and/or video image flip vertical is processed;
According to the stretch ratio of user's input, every frame video image of described video data is carried out to stretch processing;
Obtain the Word message of user input, the every frame video image of described video data of take is background, and corresponding Word message is plotted on every frame video image with text formatting.
10. the method for processing video frequency as described in claim 8 or 9, is characterized in that, further comprising the steps of: obtain the window handle of the video playback window of user interface, the described video data after processing is play in described video playback window.
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