CN105828184A - Video processing method and mobile terminal - Google Patents
Video processing method and mobile terminal Download PDFInfo
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- CN105828184A CN105828184A CN201510552026.1A CN201510552026A CN105828184A CN 105828184 A CN105828184 A CN 105828184A CN 201510552026 A CN201510552026 A CN 201510552026A CN 105828184 A CN105828184 A CN 105828184A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
Abstract
The embodiment of the present invention provides a video processing method and a mobile terminal. The video processing method comprises a step of receiving and buffering all frame data of first original video data, a step of determining the data difference degree between the first original video data and all frame data according to all buffered frame data of the first original video data, a step of adjusting the data frame of the first original video data according to the determined data difference degree, and obtaining second video data. The embodiment of the present invention also provides a corresponding mobile terminal. According to the video processing method, through determining the data difference degree between the video frame data, the frame extracting and/or frame interpolation is selectively carried out, the track of a video frame data movement is not destroyed, and the smoothness of video playing is improved.
Description
Technical field
The present invention relates to field of video processing, particularly relate to a kind of method for processing video frequency and mobile terminal.
Background technology
People require more and more higher for the fluency of video at present, but the video that we see at present is due to bandwidth, size, playback equipments etc. limit and have all been by taking out frame process, what therefore we were generally seen all only has 15 frames, 24 frames, the video of 25 frames, or the video frame rate of 30 frames, such frame per second and original shooting is compared fluency and is reduced a lot.Such as film shooting originally is all that 60 frames are per second, but the high-definition movie that actually we have seen that the most only 30 frame, it is simply that just take out a frame every a frame.And present frame way of smoking is substantially and carries out at equal intervals.
Owing to such frame of taking out does not considers the speed of video content change, thus cause when video scene changes quickly when, seem the most smooth, the most obvious the when that frame per second being the lowest.And the frame interpolation method that optimization of video fluency uses now, it is simply that by comparing the difference between two frames, its movement locus of anticipation is inserted into corresponding content.Present frame method of taking out does not has big impact for the content that scene changes is the slowest, but for scene changes content quickly will strengthen the difference between them cause cannot its development trend of anticipation very well, the interleave effect that therefore terminal is used when carrying out fluency and optimizing is the most inconspicuous.
Summary of the invention
The embodiment of the present invention provides a kind of method for processing video frequency, the speed not considering in frame processing method that video content changes is taken out in order to solve video fixed interval in prior art, the development trend of video content cannot be carried out good anticipation, thus destroy the problem of the development trend of scene, the problem that improve the fluency of video playback.
The embodiment of the present invention provides a kind of method for processing video frequency, including:
Receive and cache all frame data of the first original video data；
All frame data of the first original video data according to described caching, determine the data difference degree between all frame data of described first original video data；
According to the described data difference degree determined, adjust the Frame of described first original video data, obtain the second video data.
The embodiment of the present invention also provides for a kind of mobile terminal, including:
First receives cache module, for receiving and cache all frame data of the first original video data；
First difference determines module, for all frame data of true the first original video data according to described caching, determines the data difference degree between all frame data of described first original video data；
First performs processing module, for according to the described data difference degree determined, adjusts the Frame of described first original video data, obtains the second video data.
The method for processing video frequency that the embodiment of the present invention provides, receives and caches all frame data of the first original video data；All frame data of the first original video data according to caching, determine the data difference degree between all frame data of described first original video data；According to the data difference degree determined, adjust the Frame of the first original video data, obtain the second video data；Video is carried out optionally takes out frame and/or interleave has processed, do not destroyed the track of video data motion, improve the fluency of video playback.
Accompanying drawing explanation
Figure 1A is the embodiment flow chart of method for processing video frequency of the present invention；
Figure 1B is the embodiment flow chart of the method for the data difference degree between all frame data that present invention determine that the first original video data；
Fig. 1 C is the first embodiment flow chart that the present invention adjusts the Frame of described first original video data；
Fig. 1 D is the second embodiment flow chart that the present invention adjusts the Frame of described first original video data；
Fig. 1 E is the 3rd embodiment flow chart that the present invention adjusts the Frame of described first original video data；
Fig. 2 A is the first embodiment structural representation of mobile terminal of the present invention；
Fig. 2 B is the second example structure schematic diagram of mobile terminal of the present invention；
Fig. 2 C is the 3rd example structure schematic diagram of mobile terminal of the present invention；
Fig. 3 is the schematic diagram that the frame data of method for processing video frequency of the present invention only carry out taking out a kind of specific implementation process that frame processes；
Fig. 4 is the schematic diagram that the frame data of method for processing video frequency of the present invention only carry out a kind of specific implementation process of interleave process；
Fig. 5 is the schematic diagram of a kind of specific implementation process that the frame data of method for processing video frequency of the present invention carry out taking out frame and interleave processes.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
The present invention is directed to video fixed interval in prior art takes out the speed not considering in frame processing method that video content changes, the development trend of video content cannot be carried out good anticipation, thus the problem destroying the development trend of scene, a kind of method for processing video frequency and mobile terminal are provided, by calculating the data difference value between video requency frame data, video requency frame data is carried out optionally takes out frame and/or interleave has processed, do not destroy the track of video requency frame data motion, improve the fluency of video playback.
First embodiment:
As it is shown in figure 1, the embodiment of the present invention provides a kind of method for processing video frequency, including:
Step 101, receives and caches all frame data of the first original video data.
In this step, receive the first pending original video data, and cache all frame data of the first received original video data, the corresponding pictures of every frame data.
Step 102, according to all frame data of the first original video data of described caching, determines the data difference degree between all frame data of described first original video data.
This step may further include:
Step 1021, extracts adjacent two frame data of described first original video data of described caching successively；
Here it is possible to according to the mode of pipeline processes, the first original video data preserved in caching is extracted and is processed.
Step 1022, calculates the data difference value between described adjacent two frame data；
Here, described data difference value includes the number in the different pixels region between the first data difference value or adjacent two frame data of each pixel RGB component between the number of the different pixels point between adjacent two frame data, adjacent two frame data.
Here, calculate the data difference value between described adjacent two frame data and can use existing algorithm of the prior art, it is achieved the calculating to the difference value between consecutive frame data, for saving length, here is omitted.
Step 1023, according to the described data difference value calculated, determines the data difference degree of described adjacent two frame data.
Such as, when the number of the different pixels point used between adjacent two frame data is as described data difference value, pixel corresponding in adjacent two frame data can be compared, judge that the data of the pixel of correspondence are the most identical, and according to the result judged, it is thus achieved that the number of the different pixels point between adjacent two frame data.
The most such as, when between adjacent two frame data of employing, the first data difference value of each pixel RGB component is as described data difference value, specifically may is that the data difference of the corresponding RGB component of pixel corresponding in adjacent two frame data of comparison, the data difference comparing all RGB component obtained is carried out read group total, by calculated and value, as described data difference value.
The most such as, when the number in the different pixels region used between adjacent two frame data is as described data difference value, specifically may is that the intended pixel region that whole image division is predefined size corresponding for frame data, relatively more corresponding between adjacent two frame data pixel region, determines the number in different pixels region between adjacent two frame data.Whether wherein, two pixel regions are the most identical, can be according to the number of different pixels point in two pixel regions beyond the threshold value preset, when beyond this threshold value, then it is assumed that these two pixel region differences.
Step 103, according to the described data difference degree determined, adjusts the Frame of described first original video data, obtains the second video data.
In the above embodiment of the present invention, original video data can only be taken out frame and process, described step 103 may further include:
Step 1031, compares the described data difference value calculated with predetermined threshold value.
Described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70, and described predetermined threshold value can be to be arranged by application program in prior art, naturally it is also possible to is to obtain this predetermined threshold value from new technology.
Step 1032, when described data difference value is more than described predetermined threshold value, retains described adjacent two frame data.
When described data difference value is more than described predetermined threshold value, illustrate that the frame data data content of these adjacent two Frames differs greatly, if extraction any of which one frame can cause the second video data finally obtained to play the most smooth, so when described data difference value is more than described predetermined threshold value, retaining described adjacent two frame data.
Described adjacent two frame data, when described data difference value is less than or equal to described predetermined threshold value, is taken out frame and are processed by step 1033.
When described data difference value is less than or equal to described predetermined threshold value, illustrate that the frame data content deltas of these adjacent two Frames not quite or does not has difference, play the most smooth if extraction any of which one frame does not results in the second video data finally obtained, so when described data difference value is less than or equal to described predetermined threshold value, described adjacent two frame data being taken out frame and process.
In the above embodiment of the present invention, original video data can only carry out interleave process, described step 103 may further include:
Step 1041, compares the described data difference value calculated with predetermined threshold value.
Described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70, and described predetermined threshold value can be to be arranged by application program in prior art, naturally it is also possible to is to obtain this predetermined threshold value from new technology.
Described adjacent two frame data, when described data difference value is more than described predetermined threshold value, are carried out interleave process by step 1042.
When described data difference value is more than described predetermined threshold value, illustrating that the frame data data content of these adjacent two Frames differs greatly, if not dealing with, there will be the most smooth phenomenon when the second video data finally obtained is play；If inserting a frame or multiframe transition frames between these adjacent two Frames, the second video data finally obtained can be made to play smoothly；So when described data difference value is more than described predetermined threshold value, described adjacent two Frames being carried out interleave process.
Step 1043, when described data difference value is less than or equal to described predetermined threshold value, retains described adjacent two frame data.
When described data difference value is less than or equal to described predetermined threshold value, illustrates that the frame data data content difference of these adjacent two Frames not quite or does not has difference, do not have the most smooth phenomenon when the second video data finally obtained is play；So when described data difference value is less than or equal to described predetermined threshold value, described adjacent two Frames can be retained.
In the above embodiment of the present invention, original video data can carry out interleave and take out frame process, described step 103 may further include:
Step 1051, compares the described data difference value calculated with predetermined threshold value.
Described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70, and described predetermined threshold value can be to be arranged by application program in prior art, naturally it is also possible to is to obtain this predetermined threshold value from new technology.
Described adjacent two frame data, when described data difference value is more than described predetermined threshold value, are carried out interleave process by step 1052.
When described data difference value is more than described predetermined threshold value, illustrating that the frame data content deltas of these adjacent two Frames is relatively big, if not dealing with, there will be the most smooth phenomenon when the second video data finally obtained is play；If inserting a frame or multiframe transition frames between these adjacent two Frames, the second video data finally obtained can be made to play smoothly；So when described data difference value is more than described predetermined threshold value, described adjacent two Frames being carried out interleave process.
Described adjacent two frame data, when described data difference value is less than or equal to described predetermined threshold value, is taken out frame and are processed by step 1053.
When described data difference value is less than or equal to described predetermined threshold value, illustrate that the frame data content deltas of these adjacent two Frames not quite or does not has difference, play the most smooth if extraction any of which one frame does not results in the second video data finally obtained, so when described data difference value is less than or equal to described predetermined threshold value, described adjacent two Frames being taken out frame and process.
The method for processing video frequency of the above embodiment of the present invention, it is determined by the difference degree between frame data in the first original video data of caching, adjust the frame data of the first original video, frame data in first original video data are optionally taken out frame and/or interleave processes, there is no to destroy the track of the frame data motion in the first original video data, improve the fluency of video playback.
Second embodiment:
As in figure 2 it is shown, be the first embodiment structural representation of embodiment of the present invention mobile terminal, the embodiment of the present invention also provides for a kind of mobile terminal, including:
First receives cache module 201, for receiving and cache all frame data of the first original video data.
First difference determines module 202, for all frame data of the first original video data according to described caching, determines the data difference degree between all frame data of described first original video data.
Described first difference determines that module 202 also includes:
First extracts submodule, for extracting adjacent two frame data of described first original video data of described caching successively；
Here it is possible to according to the mode of pipeline processes, the first original video data preserved in caching is extracted and is processed.
First difference calculating sub module, the data difference value between described adjacent two frame data；
Here, described data difference value includes the number in the different pixels region between data difference value or adjacent two frame data of each pixel RGB component between the number of the different pixels point between adjacent two frame data, adjacent two frame data.
Here, calculate the data difference value between described adjacent two frame data and can use existing algorithm of the prior art, it is achieved the calculating to the difference value between consecutive frame data, for saving length, here is omitted.
First difference determines submodule, for the data difference value calculated described in basis, determines the data difference degree of described adjacent two frame data.
Such as, when the number of the different pixels point used between adjacent two frame data is as described data difference value, pixel corresponding in adjacent two frame data can be compared, judge that the data of the pixel of correspondence are the most identical, and according to the result judged, it is thus achieved that the number of the different pixels point between adjacent two frame data.
The most such as, when between adjacent two frame data of employing, the first data difference value of each pixel RGB component is as described data difference value, specifically may is that the data difference of the corresponding RGB component of pixel corresponding in adjacent two frame data of comparison, the data difference comparing all RGB component obtained is carried out read group total, by calculated and value, as described data difference value.
The most such as, when the number in the different pixels region used between adjacent two frame data is as described data difference value, specifically may is that the intended pixel region that whole image division is predefined size corresponding for frame data, relatively more corresponding between adjacent two frame data pixel region, determines the number in different pixels region between adjacent two frame data.Whether wherein, two pixel regions are the most identical, can be according to the number of different pixels point in two pixel regions beyond the threshold value preset, when beyond this threshold value, then it is assumed that these two pixel region differences.
First performs processing module 203, for according to the described data difference degree determined, adjusts the Frame of described first original video data, obtains the second video data.
As a kind of specific implementation, the first execution processing module 203 described in the above embodiment of the present invention may include that
First comparison in difference submodule, for the described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
Here, described predetermined threshold value can be to be arranged by application program in prior art, naturally it is also possible to is to obtain this predetermined threshold value from the newest technology.
First reservation process submodule, for when described data difference value is more than described predetermined threshold value, retaining described adjacent two frame data；
When described data difference value is more than described predetermined threshold value, illustrate that the frame data content deltas of these adjacent two Frames is bigger, if extraction any of which one frame can cause the second video data finally obtained to play the most smooth, so when described data difference value is more than described predetermined threshold value, retaining described adjacent two Frames.
First takes out frame processes submodule, for when described data difference value is less than or equal to described predetermined threshold value, described adjacent two frame data is taken out frame and processes.
When described data difference value is less than or equal to described predetermined threshold value, illustrate that the frame data content deltas of these adjacent two Frames not quite or does not has difference, play the most smooth if extraction any of which one frame does not results in the second video data finally obtained, so when described data difference value is less than or equal to described predetermined threshold value, described adjacent two Frames being taken out frame and process.
As another kind of specific implementation, the first execution processing module 203 described in the above embodiment of the present invention may include that
Second comparison in difference submodule, for the described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
Here, described predetermined threshold value can be to be arranged by application program in prior art, naturally it is also possible to is to obtain this predetermined threshold value from the newest technology.
First interleave processes submodule, for when described data difference value is more than described predetermined threshold value, described adjacent two frame data being carried out interleave process；
When described data difference value is more than described predetermined threshold value, illustrating that the frame data content deltas of these adjacent two Frames is relatively big, if not dealing with, there will be the most smooth phenomenon when the second video data finally obtained is play；If inserting a frame or multiframe transition frames between these adjacent two Frames, the second video data finally obtained can be made to play smoothly；So when described data difference value is more than described predetermined threshold value, described adjacent two Frames being carried out interleave process.
Second reservation process submodule, for when described data difference value is less than or equal to described predetermined threshold value, retaining described adjacent two frame data.
When described data difference value is less than or equal to described predetermined threshold value, illustrates that the frame data content deltas of these adjacent two Frames not quite or does not has difference, do not have the most smooth phenomenon when the second video data finally obtained is play；So when described data difference value is less than or equal to described predetermined threshold value, described adjacent two Frames can be retained.
As another specific implementation, the first execution processing module 203 described in the above embodiment of the present invention may include that
3rd comparison in difference submodule, for the described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
Here, described predetermined threshold value can be to be arranged by application program in prior art, naturally it is also possible to is to obtain this predetermined threshold value from the newest technology.
Second interleave processes submodule, for when described data difference value is more than described predetermined threshold value, described adjacent two frame data being carried out interleave process；
When described data difference value is more than described predetermined threshold value, illustrating that the frame data content deltas of these adjacent two Frames is relatively big, if not dealing with, there will be the most smooth phenomenon when the second video data finally obtained is play；If inserting a frame or multiframe transition frames between these adjacent two Frames, the second video data finally obtained can be made to play smoothly；So when described data difference value is more than described predetermined threshold value, described adjacent two Frames being carried out interleave process.
Second takes out frame processes submodule, for when described data difference value is less than or equal to described predetermined threshold value, described adjacent two frame data is taken out frame and processes.
When described data difference value is less than or equal to described predetermined threshold value, illustrate that the frame data content deltas of these adjacent two Frames not quite or does not has difference, play the most smooth if extraction any of which one frame does not results in the second video data finally obtained, so when described data difference value is less than or equal to described predetermined threshold value, described adjacent two Frames being taken out frame and process.
The mobile terminal of the above embodiment of the present invention, it is determined by the difference degree between frame data in the first original video data of caching, adjust the frame data of the first original video, frame data in first original video data are optionally taken out frame and/or interleave processes, there is no to destroy the track of the frame data motion in the first original video data, improve the fluency of video playback.
Each step in the terminal embodiment energy implementation method embodiment of the present invention, is not described in detail in this.
3rd embodiment:
As it is shown on figure 3, the frame data for embodiment of the present invention method for processing video frequency only carry out taking out the schematic diagram of a kind of specific implementation process that frame processes.Illustrate frame data below in conjunction with this figure only to carry out taking out the implementation process that frame processes.
Step 301: apply for two buffer area A and B, predetermined threshold value is the 20% of a frame data sum of all pixels；Extract adjacent two frame frame data Frame1 and Frame2 of the first original video frame data of caching successively, be respectively put into buffer area A and buffer area B.
Wherein, extract the frame data of adjacent two frames of the first original video frame data of caching successively, according to the mode of pipeline processes, the first original video data preserved in caching can be extracted and processed.
Step 302: calculate the data difference value between Frame1 and Frame2, the number of different pixels point between statistics Frame1 and Frame2.
In this step, the embodiment of the present invention use the number of different pixels point between adjacent two frame data as described data difference value, pixel corresponding in adjacent two frame data can be compared, judge that the data of the pixel of correspondence are the most identical, and according to the result judged, it is thus achieved that the number of the different pixels point between adjacent two frame data；And calculate the data difference value between described adjacent two frame data and can use existing algorithm of the prior art, it is achieved the calculating to the difference value between consecutive frame data.
It is of course also possible to use using the data difference value of each pixel RGB component between adjacent two frame data as the number in the different pixels region between described data difference value, or adjacent two frame data as described data difference value.
Step 303: judge that between Frame1 and Frame2, the number of different pixels point, more than the 20% of a frame data sum of all pixels, retains this two frame data.
By the number of different pixels point between Frame1 and Frame2 that the counting statistics in step 302 obtains, judge the number of different pixels point between Frame1 and Frame2, in the present embodiment, between Frame1 and Frame2, the number of different pixels point is more than the 20% of a frame data sum of all pixels, i.e. beyond the threshold value preset, illustrate that the frame data content deltas of these adjacent two frames of Frame1 and Frame2 is bigger, if extraction any of which one frame can cause the frame data content of the second video data finally obtained not to be connected, play the most smooth, so these adjacent two frames of Frame1 and Frame2 can not lack, retain this two Frame.
Step 304: cache the Frame3 to buffer area A of the first original video frame data.
Step 305 and step 306 is entered after caching the Frame3 to buffer area A of the first original video frame data, perform the algorithm process identical with above-mentioned steps 302 and step 303, to the number of the different pixels point between adjacent two Frame Frame2 and Frame3 with the threshold ratio preset relatively, in the present embodiment, the number of different pixels point between Frame2 and Frame3 is more than the 20% of a frame data sum of all pixels, so retaining this two Frame.
Step 305: calculate the data difference value between Frame2 and Frame3, the number of different pixels point between statistics Frame2 and Frame3.
Step 306: judge that between Frame2 and Frame3, the number of different pixels point, more than the 20% of a frame data sum of all pixels, retains this two frame data.
Step 307: cache the Frame4 to buffer area B of the first original video frame data.
Step 308 and step 309 is entered after caching the Frame4 to buffer area B of the first original video frame data, perform the algorithm process identical with above-mentioned steps 302 and step 303, to the number of the different pixels point between adjacent two Frame Frame3 and Frame4 with the threshold ratio preset relatively, in the present embodiment, the number of different pixels point between Frame3 and Frame4 is less than the 20% of a frame data sum of all pixels, so taking out Frame Frame4.
Step 308: calculate the data difference value between Frame3 and Frame4, the number of different pixels point between statistics Frame3 and Frame4.
Step 309: judge that between Frame3 and Frame4, the number of different pixels point, less than the 20% of a frame data sum of all pixels, takes out frame data Frame4.
Need exist for explanation be, the number of the different pixels point between Frame3 and Frame4 is less than the 20% of a frame data sum of all pixels, i.e. without departing from default threshold value, illustrate that the frame data content deltas of these adjacent two frames of Frame3 and Frame4 is little, if taking out Frame Frame4 not interfere with the fluency that the second video data finally obtained is play.
In a manner mentioned above, follow-up two adjacent frame data are calculated, and compares with predetermined threshold value, two adjacent frame data are performed corresponding process；Being cached to the Frame5 of buffer area B, calculate multilevel iudge with adjacent Frame Frame3, result takes out Frame Frame5；Calculating multilevel iudge with the Frame6 being cached to buffer area B, result retains this two Frame, the like, repeat no more here.
It should be noted that the comparative approach that the present embodiment uses is not limited to this, it is also possible to use third-party software processes algorithm.
In the above embodiment of the present invention, it is determined by the difference degree between frame data in the first original video data of caching, adjust the frame data of the first original video, frame data in first original video data are optionally taken out frame process, there is no to destroy the track of the frame data motion in the first original video data, improve the fluency of video playback.
4th embodiment:
As shown in Figure 4, the frame data for embodiment of the present invention method for processing video frequency only carry out the schematic diagram of a kind of specific implementation process of interleave process.Illustrate frame data below in conjunction with this figure and only carry out the implementation process of interleave process.
Step 401: apply for three buffer areas A, B and C, predetermined threshold value is 30%；Extract adjacent two frame frame data Frame1 and Frame2 of the first original video frame data of caching successively, be respectively put into buffer area A and buffer area B.
Extract the adjacent two frame frame data of the first original video frame data of caching successively, according to the mode of pipeline processes, the first original video data preserved in caching can be extracted and processed.
Step 402: calculate the data difference value between Frame1 and Frame2, the number of different pixels point between statistics Frame1 and Frame2.
Here, the embodiment of the present invention use the number of different pixels point between adjacent two frame data as described data difference value, pixel corresponding in adjacent two frame data can be compared, judge that the data of the pixel of correspondence are the most identical, and according to the result judged, it is thus achieved that the number of the different pixels point between adjacent two frame data；And calculate the data difference value between described adjacent two frame data and can use existing algorithm of the prior art, it is achieved the calculating to the difference value between consecutive frame data.
It is of course also possible to use using the data difference value of each pixel RGB component between adjacent two frame data as the number in the different pixels region between described data difference value, or adjacent two frame data as described data difference value.
Step 403: judge that between Frame1 and Frame2, the number of different pixels point, more than the 30% of a frame data sum of all pixels, generates transition frames Frame1-2.
Wherein, transition frames Frame1-2 generates process and is: based on Frame1, and between copy Frame2 and Frame1, the data of difference pixel are on the correspondence position of this basis frame data pixel, generate new transition frames Frame1-2；
Need exist for explanation be, between Frame2 and Frame1, the data of difference pixel only need copied part, and be not limited to only generate transition frames data, different pixels data in the data of difference pixel can be copied to the different correspondence positions of basis frame data pixel, generate different transition frames.
In the present embodiment, between Frame1 and Frame2, the number of different pixels point is more than the 30% of a frame data sum of all pixels, i.e. beyond the threshold value preset, illustrate that the frame data content deltas of these adjacent two frames of Frame1 and Frame2 is bigger, the frame data content that can affect the second video data finally obtained is not connected, play the most smooth, generate a transition frames Frame1-2, when the frame data content that can make the second video data finally obtained is play, user does not visually feel as the jump of video pictures, the most smooth.
Step 404: the buffer area C being inserted between buffer area A and B by transition frames Frame1-2, i.e. inserts between transition frames Frame1-2 to Frame1 and Frame2.
Here it is possible to existing inserted mode in employing prior art, insert the transition frames generated, naturally it is also possible to use the frame inserted mode that other are new.
Step 405: cache the Frame3 to buffer area A of the first original video frame data.
Step 406: identical with above-mentioned steps 402, calculates the data difference value between adjacent two frame Frame2 and Frame3, the number of different pixels point between statistics Frame2 and Frame3.
Step 407: identical with above-mentioned steps 403, by the number of different pixels point between adjacent two frame Frame2 and Frame3 with the threshold ratio preset relatively, in the present embodiment, between Frame2 and Frame3, the number of different pixels point, less than the 30% of a frame data sum of all pixels, retains this two frame data.
In the present embodiment, between Frame2 and Frame3, the number of different pixels point is less than the 30% of a frame data sum of all pixels, illustrate that the frame data content deltas of these adjacent two frames of Frame2 and Frame3 is little, when the frame data content of the second video data finally obtained is play, user's visual experience is smooth, there is no the impression that video pictures jumps, so retaining this two Frame.
In a manner mentioned above, follow-up two adjacent frame data are calculated, and compares with predetermined threshold value, two adjacent frame data are performed corresponding process, as being cached to the Frame4 of buffer area B, calculating multilevel iudge with adjacent Frame Frame3, result retains this two Frame；Calculating multilevel iudge with the Frame5 being cached to buffer area A, result inserts the transition frames Frame4-5 generated, the like, repeat no more here.
It should be noted that the comparative approach that the present embodiment uses is not limited to this, it is also possible to use third-party software processes algorithm.
In the above embodiment of the present invention, it is determined by the difference degree between frame data in the first original video data of caching, adjust the frame data of the first original video, frame data in first original video data are carried out selective interleave process, there is no to destroy the track of the frame data motion in the first original video data, improve the fluency of video playback.
5th embodiment:
As it is shown in figure 5, carry out taking out the schematic diagram of a kind of specific implementation process of frame and interleave process for embodiment of the present invention method for processing video frequency frame data.Illustrate frame data below in conjunction with this figure to carry out taking out frame and the implementation process of interleave process.
Step 501: apply for three buffer areas A, B and C, predetermined threshold value is 50%；Extract adjacent two frame frame data Frame1 and Frame2 of the first original video frame data of caching successively, be respectively put into buffer area A and buffer area B.
Extract the adjacent two frame frame data of the first original video frame data of caching successively, according to the mode of pipeline processes, the first original video data preserved in caching can be extracted and processed.
Step 502: calculate the data difference value between Frame1 and Frame2, the number of different pixels point between statistics Frame1 and Frame2.
Here, the embodiment of the present invention use the number of different pixels point between adjacent two frame data as described data difference value, pixel corresponding in adjacent two frame data can be compared, judge that the data of the pixel of correspondence are the most identical, and according to the result judged, it is thus achieved that the number of the different pixels point between adjacent two frame data；And calculate the data difference value between described adjacent two frame data and can use existing algorithm of the prior art, it is achieved the calculating to the difference value between consecutive frame data.
It is of course also possible to use using the data difference value of each pixel RGB component between adjacent two frame data as the number in the different pixels region between described data difference value, or adjacent two frame data as described data difference value.
Step 503: judge that between Frame1 and Frame2, the number of different pixels point, less than the 50% of a frame data sum of all pixels, takes out frame data Frame2.
Here, between Frame1 and Frame2, the number of different pixels point is less than the 50% of a frame data sum of all pixels, i.e. without departing from default threshold value, illustrate that the frame data content deltas of these adjacent two frames of Frame1 and Frame2 is little, if taking out Frame Frame2 not interfere with the fluency that the second video data finally obtained is play, so between Frame1 and Frame2, the number of different pixels point, less than the 50% of a frame data sum of all pixels, takes out Frame Frame2 in the present embodiment；
Step 504: cache the Frame3 to buffer area B of the first original video frame data.
Step 505: identical with above-mentioned steps 502, calculate the data difference value between adjacent two frame Frame1 and Frame3, owing to above-mentioned steps 503 having been taken out Frame Frame2, so Frame1 and Frame3 is adjacent, the number of different pixels point between statistics Frame1 and Frame3.
Step 506: judge that between Frame1 and Frame3, the number of different pixels point is more than the 50% of a frame data sum of all pixels, generate transition frames Frame1-3, wherein, transition frames Frame1-3 generates process: based on Frame1, between copy Frame1 and Frame3, the data of difference pixel are on the correspondence position of this basis frame data pixel, generate new transition frames Frame1-3.
Need exist for explanation be, between Frame1 and Frame3, the data of difference pixel only need copied part, and be not limited to only generate transition frames data, different pixels data in the data of difference pixel can be copied to the different correspondence positions of basis frame data pixel, generate different transition frames.
In the present embodiment, between Frame1 and Frame3, the number of different pixels point is more than the 50% of a frame data sum of all pixels, i.e. beyond the threshold value preset, illustrate that the frame data content deltas of these adjacent two frames of Frame1 and Frame2 is bigger, the frame data content that can affect the second video data finally obtained is not connected, play the most smooth, generate a transition frames Frame1-3, when the frame data content that can make the second video data finally obtained is play, user does not visually feel as the jump of video pictures, the most smooth.
Step 507: the buffer area C being inserted between buffer area A and B by transition frames Frame1-3, i.e. inserts between transition frames Frame1-3 to Frame1 and Frame3.
Here it is possible to existing inserted mode in employing prior art, insert the transition frames generated, naturally it is also possible to use the frame inserted mode that other are new.
In a manner mentioned above, follow-up two adjacent frame data are calculated, and compare with predetermined threshold value, two adjacent frame data are performed corresponding process, as being such as cached to the Frame4 of buffer area A, calculating multilevel iudge with adjacent Frame Frame3, result inserts the transition frames Frame3-4 to buffer area C generated；Calculating multilevel iudge with the Frame5 being cached to buffer area B, result is taken out Frame Frame5, by that analogy, is repeated no more here.
It should be noted that the comparative approach that the present embodiment uses is not limited to this, it is also possible to use third-party software processes algorithm.
In the above embodiment of the present invention, it is determined by the difference degree between frame data in the first original video data of caching, adjust the frame data of the first original video, frame data in first original video data are optionally taken out frame and interleave processes, there is no to destroy the track of the frame data motion in the first original video data, improve the fluency of video playback.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can be by computer program and complete to instruct relevant hardware, described program can be stored in a computer read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc..
Above disclosed only one preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are made, still fall within the scope that the present invention is contained.
Claims (12)
1. a method for processing video frequency, it is characterised in that including:
Receive and cache all frame data of the first original video data；
All frame data of the first original video data according to described caching, determine the data difference degree between all frame data of described first original video data；
According to the described data difference degree determined, adjust the Frame of described first original video data, obtain the second video data.
Method for processing video frequency the most according to claim 1, it is characterised in that the data difference degree between the described all frame data determining described first original video data, including:
Extract adjacent two frame data of described first original video data of described caching successively；
Calculate the data difference value between described adjacent two frame data；
According to the described data difference value calculated, determine the data difference degree of described adjacent two frame data.
Method for processing video frequency the most according to claim 2, it is characterized in that, described data difference value includes the number in the different pixels region between data difference value or adjacent two frame data of each pixel RGB component between the number of the different pixels point between adjacent two frame data, adjacent two frame data.
Method for processing video frequency the most according to claim 2, it is characterised in that described adjust the Frame of described first original video data according to the described data difference degree determined, obtain the second video data, including:
The described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
When described data difference value is more than described predetermined threshold value, retain described adjacent two frame data；
When described data difference value is less than or equal to described predetermined threshold value, described adjacent two frame data is taken out frame and processes.
Method for processing video frequency the most according to claim 2, it is characterised in that described adjust the Frame of described first original video data according to the described data difference degree determined, obtain the second video data, including:
The described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
When described data difference value is more than described predetermined threshold value, described adjacent two frame data are carried out interleave process；
When described data difference value is less than or equal to described predetermined threshold value, retain described adjacent two frame data.
Method for processing video frequency the most according to claim 2, it is characterised in that described adjust the Frame of described first original video data according to the described data difference degree determined, obtain the second video data, including:
The described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
When described data difference value is more than described predetermined threshold value, described adjacent two frame data are carried out interleave process；
When described data difference value is less than or equal to described predetermined threshold value, described adjacent two frame data is taken out frame and processes.
7. a mobile terminal, it is characterised in that including:
First receives cache module, for receiving and cache all frame data of the first original video data；
First difference determines module, for all frame data of the first original video data according to described caching, determines the data difference degree between all frame data of described first original video data；
First performs processing module, for according to the described data difference degree determined, adjusts the Frame of described first original video data, obtains the second video data.
Mobile terminal the most according to claim 7, it is characterised in that described first difference determines that module also includes:
First extracts submodule, for extracting adjacent two frame data of described first original video data of described caching successively；
First difference calculating sub module, for calculating the data difference value between described adjacent two frame data；
First difference determines submodule, for the data difference value calculated described in basis, determines the data difference degree of described adjacent two frame data.
Mobile terminal the most according to claim 8, it is characterized in that, described data difference value includes the number in the different pixels region between data difference value or adjacent two frame data of each pixel RGB component between the number of the different pixels point between adjacent two frame data, adjacent two frame data.
Mobile terminal the most according to claim 8, it is characterised in that described first performs processing module also includes:
First comparison in difference submodule, for the described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
First reservation process submodule, for when described data difference value is more than described predetermined threshold value, retaining described adjacent two frame data；
First takes out frame processes submodule, for when described data difference value is less than or equal to described predetermined threshold value, described adjacent two frame data is taken out frame and processes.
11. mobile terminals according to claim 8, it is characterised in that described first performs processing module also includes:
Second comparison in difference submodule, for the described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
First interleave processes submodule, for when described data difference value is more than described predetermined threshold value, described adjacent two frame data being carried out interleave process；
Second reservation process submodule, for when described data difference value is less than or equal to described predetermined threshold value, retaining described adjacent two frame data.
12. mobile terminal according to claim 8, it is characterised in that described first performs processing module also includes:
3rd comparison in difference submodule, for the described data difference value calculated being compared with predetermined threshold value, described predetermined threshold value is the K% of a frame data sum of all pixels, and wherein, K is more than or equal to 15, and K is less than or equal to 70；
Second interleave processes submodule, for when described data difference value is more than described predetermined threshold value, described adjacent two frame data being carried out interleave process；
Second takes out frame processes submodule, for when described data difference value is less than or equal to described predetermined threshold value, described adjacent two frame data is taken out frame and processes.
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