CN102737689B - The localization method of a kind of head/run-out position, device and TV - Google Patents
The localization method of a kind of head/run-out position, device and TV Download PDFInfo
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Abstract
The present invention is applicable to video technique field, and provide the localization method of a kind of head/run-out position, device and TV, described method comprises: a frame video of decoding local video, calculates the complexity of this frame video; If the complexity of this frame video is less than the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video.The present invention, head and run-out position can obtain automatically from local video, need not manually arrange, and compared to existing technology, Consumer's Experience effect obtains great enhancing.
Description
Technical field
The invention belongs to video technique field, particularly relate to the localization method of a kind of head/run-out position, device and TV.
Background technology
Along with the development of TV tech, intelligent television has become the main trend of Polarizations for Target Discrimination in Clutter, and intelligent television is watched TV play also can become a kind of trend.
But, when watching TV play, often have very long head in TV play and run-out is not the content that spectators want to see; as will be manually skipped these head and run-out; need multi-pass operations telepilot, relative to operating on computers, on TV can more inconvenience.
From current actual conditions, when playing local TV play, intelligent television seldom has the function automatically can skipping head and run-out.
When playing local TV play, the general jump being completed head and run-out by manual operation, and manual operation can be cumbersome, especially when watching TV play, often collect and beholder all will be had manually to make video jump to assigned address, process is loaded down with trivial details, Consumer's Experience is bad, and tentative jump often, and general needs just can jump to desirable position several times, process is long, and does not reach the effect of seamless play when many collection are play.
Certainly also there is the mode of the manually pre-set head that often collect and run-out position, but adopt when this mode is only applicable to play online, once setting can be used for the user of any online viewing to use.
In sum, the localization method that a kind of fast and effeciently head/run-out position is provided is necessary.
Summary of the invention
Embodiments provide the localization method of a kind of head/run-out position, device and TV, be intended to solve prior art and there is the problem can not locating the position of head/run-out fast and effectively.
On the one hand, provide the localization method of a kind of head/run-out position, described method comprises:
One frame video of decoding local video, calculates the complexity of this frame video;
If the complexity of this frame video is less than the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video.
On the other hand, provide the locating device of a kind of head/run-out position, described device comprises:
Video Decoder, for a frame video of local video of decoding;
Head/run-out position acquisition unit, if be less than for the complexity of this frame video the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video;
Playing control unit, for playing described local video from described head position;
Data storage cell, for depositing the data of described local video, default complexity threshold and described head/run-out position data.
Again on the one hand, provide a kind of TV, described TV comprises the locating device of head as above/run-out position.
In embodiments of the present invention, a frame video of local video of first decoding, calculates the complexity of this frame video; Judge whether the complexity of this frame video is less than the complexity threshold pre-established again, if, then using the head position of the position at this frame video place as described local video, head position can obtain automatically from the local video that will play, need not manually arrange, compared to existing technology, Consumer's Experience effect obtains great enhancing.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the localization method of head/run-out position that the embodiment of the present invention one provides;
Fig. 2 is the realization flow figure of the localization method of head/run-out position that the embodiment of the present invention two provides;
Fig. 3 is the realization flow figure of the localization method of head/run-out position that the embodiment of the present invention three provides;
Fig. 4 is the realization flow figure of the video playback that the embodiment of the present invention four provides;
Fig. 5 is the structured flowchart of the locating device of head/run-out position that the embodiment of the present invention five provides;
Fig. 6 is the structured flowchart of head/run-out position acquisition unit that the embodiment of the present invention six provides;
Fig. 7 is the structured flowchart of head/run-out position acquisition unit that the embodiment of the present invention seven provides;
Fig. 8 is the structured flowchart of head/run-out position acquisition unit that the embodiment of the present invention eight provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, a frame video of decoding local video, calculates the complexity of this frame video, if the complexity of this frame video is less than the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video.Head position can obtain automatically from local video, need not manually arrange, and compared to existing technology, Consumer's Experience effect obtains great enhancing.
Below in conjunction with specific embodiment, realization of the present invention is described in detail:
Embodiment one
Fig. 1 shows the realization flow of the localization method of head/run-out position that the embodiment of the present invention one provides, the acquisition of head position can be realized by this flow process, concrete principle is: in TV play, and when head playback of songs completes, which collection and then there will be TV play is.Seeing clearly current to allow spectators is at which collection of broadcasting, and picture background when there is collection number is comparatively simple, namely, occur that the image complexity of frame of video when collecting number can be lower, in conjunction with this feature of TV play, can analyze the head position of TV play, details are as follows:
In step S101, to decode a frame video, calculate the complexity of this frame video, be specially, calculate gray-scale value statistics (i.e. histogram) of this frame video, then the complexity of image is judged according to histogrammic distribution situation, if histogram distribution is even, image relative complex, otherwise complexity is relatively low.
In the present embodiment, by the data of Video Decoder decoded video frames one by one, and the complexity of this frame video is calculated.
In step s 102, if the complexity of this frame video is less than the complexity threshold pre-established, then perform step S103, otherwise, judge whether the position of the frame of video of decoding is greater than the scope of default acquisition head position, such as decoded video frame time be 1 point 10 seconds, preset acquisition head scope be 2 minutes, then think and be not greater than default acquisition head position, if, then no longer obtain the head position of described local video, otherwise, continue to perform step S101.
In the present embodiment, the complexity threshold pre-established is the threshold value drawn after carrying out video analysis to a large amount of TV play head position, specific practice is the artificial frame of video extracting a large amount of TV play head position, then complicated dynamic behaviour is carried out to those frame of video, determine that a suitable complexity threshold is for herein, complexity threshold can regulate in concrete environment.
In step s 103, using the head position of the position at this frame video place as described local video.
The present embodiment, judges by the complexity of the frame of video of decoding whether the position residing for frame of video of current decoding can, as head position, be simple and easy to use.
Embodiment two
Fig. 2 shows the realization flow of the localization method of head/run-out position that the embodiment of the present invention two provides, the acquisition of head position can be realized by this flow process, concrete principle is: in TV play, and when head playback of songs completes, which collection and then there will be TV play is.Seeing clearly current to allow spectators is at which collection of broadcasting, picture background when there is collection number is comparatively simple, namely, occur that the image complexity of frame of video when collecting number can be lower, the longer time can be stopped on screen simultaneously, in conjunction with these two features of TV play, can analyze the head position of TV play, details are as follows:
In step s 201, a frame video of decoding, calculates the complexity of this frame video.
In the present embodiment, by decoders decode one frame video, and the complexity of this frame video is calculated.
In step S202, if the complexity of this frame video is less than the complexity threshold pre-established, then perform step S203, otherwise, judge whether the position of the frame of video of decoding is greater than the scope of default acquisition head position, if so, then no longer obtains the head position of described local video, otherwise, continue to perform step S201 threshold.
In step S203, obtain the frame rate of described local video.
In the present embodiment, obtained the frame rate information of local video by demoder, this frame rate information can as the foundation obtaining the number of video frames preset in the adjacent duration in subsequent step S204.
In step S204, the number of the frame of video in a period of time of presetting after calculating this frame video according to described frame rate.
In this specific embodiment, generally can be set as in 1 second, frame number so herein equals 1s* frame per second.
In step S205, the difference value between the frame of video calculating described number.
In step S206, if described difference value is less than the difference value preset, then using the head position of the position at this frame video place as described local video.
The present embodiment, judged by the complexity of the frame of video of decoding and the difference value of multiple frame of video preset in the adjacent duration whether the position residing for frame of video of current decoding can as head position, be simple and easy to use, and the head position of gained is more accurate.
Embodiment three
Fig. 3 shows the realization flow of the localization method of head/run-out position that the embodiment of the present invention three provides, the acquisition of run-out position can be realized by this flow process, concrete principle is: be different from leader, during run-out, then the general stop just last frame video being done certain hour is sheet caudal flexure with that, therefore for the judgement of run-out, the duration analyzing run-out time frame can be adopted to judge, analyze the run-out position of TV play, details are as follows:
In step S301, obtain the frame rate of described local video.
In the present embodiment, obtained the frame rate information of local video by demoder, this frame rate information can as the foundation obtaining the number of video frames in preset durations in subsequent step S302.
In step s 302, the number of the frame of video preset in a period of time is calculated according to described frame rate.
In this specific embodiment, generally can be set as in 1 second, frame number so herein equals 1s* frame per second.
In step S303, the difference value between the frame of video calculating described number.
In step s 304, if described difference value is less than predetermined difference value threshold value, then using the run-out position of the reference position of the frame of video of described number as described local video.
In embodiments of the present invention, whether the difference value between the frame of video that judgement calculates is less than predetermined difference value threshold value, if be less than, then determines that the reference position of this section of video is run-out position.
As a preferred embodiment of the present invention, in order to save the resource of intelligent television, before step S302, described method also comprises: step S305, in step S305, whether the reproduction time of monitoring described local video arrives the default time, if, then perform the frame number calculating default a period of time according to the frame rate of S301, continue S303 and later step.During concrete execution, can monitor described local video terminate before N minute (N is a relatively large value, can ensure to be greater than the time that general video run-out length needs are play).
The present embodiment, is judged by the duration analyzing run-out time frame, analyzes the run-out position of TV play, be the processing procedure of robotization completely, do not need manual operation, is simple and easy to use.
Embodiment four
Fig. 4 shows the realization flow of the method for the video playback that the embodiment of the present invention four provides, after the head/run-out position being got local video by embodiment one, two and three, namely realize the broadcasting of local video by the method, concrete playing flow, details are as follows:
In step S401, when starting to play local video, search multimedia scan database.
In the present embodiment, when starting to play local video, search multimedia scan database, in described multimedia scan database, store head position and the run-out position of local video.
In step S402, judge the head and the run-out position that whether store described local video in described multimedia scan database, if so, then perform step S403, otherwise perform S404 and follow-up step thereof.
In the present embodiment, search multimedia scan database according to the title of described local video or ID, judge the head and the run-out position that whether store described local video in described multimedia scan database, if, then perform step S403, otherwise perform S404 and follow-up step thereof.
In step S403, from described head position, play described local video, stop playing when playing to described run-out position.
In the present embodiment, if find the head and run-out position that store described local video in multimedia scan database, then extract described head position and run-out position, then from described head position, play described local video, stop playing when playing to described run-out position.
In step s 404, to obtain and the head position storing described local video at the most in Media Survey database.
In the present embodiment, if do not store the head position of described local video in multimedia scan database, then need to analyze the video file of described local video, therefrom obtain the head position of described local video, the flow process of the head position of concrete acquisition local video is shown in and is not repeated them here the description in embodiment two.
In step S405, from described head position, play described local video.
In step S406, obtain and the run-out position storing described local video at the most in Media Survey database.
In the present embodiment, if do not store the run-out position of described local video in multimedia scan database, then need to analyze the video file of described local video, therefrom obtain the run-out position of described local video, the flow process of the run-out position of concrete acquisition local video is shown in and is not repeated them here the description in embodiment three.
In step S 407, stop playing described local video when being played to described run-out position.
The present embodiment, when starting to play local video, first search multimedia scan database, when storing head and the run-out position of described local video in multimedia scan database, directly from described head position, play described local video, stop playing when playing to described run-out position; Otherwise obtain respectively and store the head of described local video and run-out position at the most in Media Survey database, then play described local video from described head position, stopping playing when playing to described run-out position.Head and run-out position can obtain automatically from multimedia scan database or local video, and need not manually arrange, compared to existing technology, Consumer's Experience effect obtains great enhancing.
Embodiment five
Fig. 5 shows the concrete structure block diagram of the locating device of head/run-out position that the embodiment of the present invention five provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.In the present embodiment, the locating device of these head/run-out position can be the unit of the software unit be built in TV, hardware cell or software and hardware combining, and the device of the location of this head/run-out position comprises: Video Decoder 51, head/run-out position acquisition unit 52, playing control unit 53 and data storage cell 54.
Wherein, Video Decoder 51, for a frame video of local video of decoding;
Head/run-out position acquisition unit 52, if be less than for the complexity of this frame video the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video;
Playing control unit 53, for playing described local video from described head position;
Data storage cell 54, for depositing the data of described local video, default complexity threshold and described head/run-out position data.
The locating device of the head that the embodiment of the present invention provides/run-out position can be applied in the embodiment of the method one of aforementioned correspondence, and details, see the description of above-described embodiment one, do not repeat them here.
Embodiment six
Fig. 6 shows the concrete structure block diagram of head/run-out position acquisition unit that the embodiment of the present invention six provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.These head/run-out position acquisition unit comprises: the first video processing module 61 and the first video judge judge module 62.
Wherein, complicated dynamic behaviour module 61, for by video decoder decodes one frame video, calculates the complexity of this frame video;
First video judge module 62, if be less than for the complexity of this frame video the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video.
The head position acquisition unit that the embodiment of the present invention provides can be applied in the embodiment of the method two of aforementioned correspondence, and details, see the description of above-described embodiment two, do not repeat them here.
Embodiment seven
Fig. 7 shows the concrete structure block diagram of head/run-out position acquisition unit that the embodiment of the present invention seven provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.This head position acquisition unit comprises: the first video processing module 71, first video judge module 72, second video processing module 73 and the second video judge module 74.
Wherein, the first video processing module 71, for by video decoder decodes one frame video, calculates the complexity of this frame video;
First video judge module 72 is for judging whether the complexity of this frame video is less than the complexity threshold pre-established, if the complexity of this frame video is less than the complexity threshold pre-established, the frame rate of described local video is then obtained by the second video processing module 73, the number presetting the frame of video in a period of time after this frame video is calculated according to described frame rate, and the difference value between the frame of video calculating described number; Judge whether described difference value is less than the difference value preset finally by the second video judge module 74, if described difference value is less than the difference value preset, then using the head position of the position at this frame video place as described local video.
The device of the video playback that the embodiment of the present invention provides can be applied in the embodiment of the method three of aforementioned correspondence, and details, see the description of above-described embodiment three, do not repeat them here.
Embodiment eight
Fig. 8 shows the concrete structure block diagram of head/run-out position acquisition unit that the embodiment of the present invention eight provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.In the present embodiment, these head/run-out position acquisition unit comprises: the first video processing module 81, first video judge module 82, second video processing module 83, second video judge module 84 and reproduction time monitoring module 85.
Wherein, the first video processing module 81, for by video decoder decodes one frame video, calculates the complexity of this frame video;
First video judge module 82 is for judging whether the complexity of this frame video is less than the complexity threshold pre-established, if the complexity of this frame video is less than the complexity threshold pre-established, the frame rate of described local video is then obtained by the second video processing module 83, the number presetting the frame of video in a period of time after this frame video is calculated according to described frame rate, and the difference value between the frame of video calculating described number; Judge whether described difference value is less than the difference value preset finally by the second video judge module 84, if described difference value is less than the difference value preset, then using the head position of the position at this frame video place as described local video;
Reproduction time monitoring module 85, whether the reproduction time for monitoring described local video arrives the default time, if so, then call the second video processing module 83 to perform and calculate the number of the frame of video preset in a period of time and follow-up step according to described frame rate.
The device of the video playback that the embodiment of the present invention provides can be applied in the embodiment of the method three of aforementioned correspondence, and details, see the description of above-described embodiment three, do not repeat them here.
It should be noted that in said system embodiment, included unit is carry out dividing according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
In addition, one of ordinary skill in the art will appreciate that all or part of step realized in the various embodiments described above method is that the hardware that can carry out instruction relevant by program has come, corresponding program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a localization method for head/run-out position, is characterized in that, described method comprises:
One frame video of decoding local video, calculates the complexity of this frame video;
If the complexity of this frame video is less than the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video;
The complexity of this frame video of described calculating is specially:
Calculate the histogram of this frame video;
The complexity of image is judged according to histogrammic distribution situation, if histogram distribution is even, image relative complex, otherwise complexity is relatively low.
2. the method for claim 1, is characterized in that, described using the position at this frame video place as described local video head position before, described method also comprises:
Obtain the frame rate of described local video;
The number of the frame of video in a period of time is preset after calculating this frame video according to described frame rate;
Difference value between the frame of video calculating described number;
If described difference value is less than the difference value preset, then using the head/run-out position of the position at this frame video place as described local video.
3. method as claimed in claim 2, is characterized in that, before the described number according to the frame of video in described frame rate calculating default a period of time, described method also comprises:
Whether the reproduction time of monitoring described local video arrives the default time, if so, then performs and calculates the number of the frame of video preset in a period of time and follow-up step according to described frame rate.
4. a locating device for head/run-out position, is characterized in that, described device comprises:
Video Decoder, for a frame video of local video of decoding, calculates the complexity of this frame video;
Head/run-out position acquisition unit, if be less than for the complexity of this frame video the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video;
Playing control unit, for playing described local video from described head position;
Data storage cell, for depositing the data of described local video, default complexity threshold and described head/run-out position data;
The complexity of this frame video of described calculating is specially:
Calculate the histogram of this frame video;
The complexity of image is judged according to histogrammic distribution situation, if histogram distribution is even, image relative complex, otherwise complexity is relatively low.
5. device as claimed in claim 4, it is characterized in that, described head/run-out position acquisition unit comprises:
First video processing module, for by described video decoder decodes one frame video, calculates the complexity of this frame video;
First video judge module, if whether be less than for the complexity of this frame video the complexity threshold pre-established, then using the head position of the position at this frame video place as described local video.
6. device as claimed in claim 4, it is characterized in that, described head/run-out position acquisition unit also comprises:
Second video processing module, for obtaining the frame rate of described local video, calculates the number presetting the frame of video in a period of time after this frame video according to described frame rate, and the difference value between the frame of video calculating described number;
Second video judge module, if be less than the difference value preset for described difference value, then using the head/run-out position of the position at this frame video place as described local video.
7. device as claimed in claim 6, it is characterized in that, described run-out/run-out position acquisition unit also comprises:
Whether reproduction time monitoring module, arrive the default time for the reproduction time of monitoring described local video, if so, then performs and calculate the number of the frame of video preset in a period of time and follow-up step according to described frame rate.
8. a TV, is characterized in that, described TV comprises the locating device of the head/run-out position as described in claim 4 to 7 any one.
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| CN103974145B (en) * | 2014-04-14 | 2017-11-07 | 百度在线网络技术（北京）有限公司 | The recognition methods of the head and/or run-out of multimedia file and device |
| US9418296B1 (en) * | 2015-03-17 | 2016-08-16 | Netflix, Inc. | Detecting segments of a video program |
| CN106205656B (en) * | 2015-05-08 | 2020-02-21 | 阿里巴巴集团控股有限公司 | Method and device for positioning file playing position |
| WO2018027748A1 (en) * | 2016-08-11 | 2018-02-15 | 王志远 | Data collection method for opening sequence skipping technology, and player |
| WO2018027747A1 (en) * | 2016-08-11 | 2018-02-15 | 王志远 | Method for pushing patent information about opening sequence skipping technology, and player |
| WO2018027746A1 (en) * | 2016-08-11 | 2018-02-15 | 王志远 | Method for skipping opening sequence according to time setting, and player |
| CN106921865A (en) * | 2017-05-11 | 2017-07-04 | 腾讯科技（深圳）有限公司 | Method for processing video frequency and device |
| CN107948718B (en) * | 2017-12-05 | 2020-01-24 | 深圳创维－Rgb电子有限公司 | Program information processing method, device and system |
| CN108401188A (en) * | 2018-03-05 | 2018-08-14 | 青岛海信传媒网络技术有限公司 | A kind of method and device of media play |
| CN109325144A (en) * | 2018-08-27 | 2019-02-12 | 章云娟 | Content complexity detection method |
| CN110990632B (en) * | 2019-12-19 | 2023-05-02 | 腾讯科技（深圳）有限公司 | Video processing method and device |
| CN113627363B (en) * | 2021-08-13 | 2023-08-15 | 百度在线网络技术（北京）有限公司 | Video file processing method, device, equipment and storage medium |
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