CN107371062B - Method for automatically zooming video picture - Google Patents
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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 or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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Abstract
The invention relates to the technical field of multimedia video playing, and discloses a method for automatically zooming a video picture, which overcomes the defect that the size of the current video playing picture is manually set through a setting interface. The scheme of the invention comprises the following steps: after video playing is started, acquiring a transverse width value and a longitudinal height value of a video playing display area of the consumer electronic equipment, and a transverse width value and a longitudinal height value of a video source which is currently playing; then calculating a new resolution width value of the video; then, calculating a scaling multiple based on the new resolution width value and the original height value of the video; then, according to the zoom multiple, carrying out equal ratio calculation on the new video display width and height value to obtain a final video display width and height value; and finally, displaying the video picture in the display area according to the final width and height values, and filling the uncovered display area with black edges. The invention is suitable for video image zooming processing.
Description
Technical Field
The invention relates to the technical field of multimedia video playing, in particular to a method for automatically zooming video pictures.
Background
The video playing function is one of the core functions of audio-visual consumer electronics, and how is the viewing experience of video playing closely related to the width and height size and the ratio of video image display to ensure that the user can obtain the best viewing image size and ratio? The technical means mainly adopted at present is realized by providing a visual picture size setting interface for a user, the user manually and comparatively tries all picture size modes by controlling the picture size setting interface, and then selects the optimal picture size mode from all the picture size modes for watching.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method for automatically zooming the video picture overcomes the defect that the size of the current video playing picture is manually set through a setting interface.
In order to solve the problems, the invention adopts the technical scheme that: the method for automatically zooming the video picture comprises the following steps:
step 1, after starting video playing, firstly acquiring a transverse width value and a longitudinal height value of a video playing display area of consumer electronic equipment, and counting by taking a pixel as a unit, wherein the width value and the height value can be values of the whole area of a display screen of the consumer electronic equipment or values of a local rectangular area of the display screen of the consumer electronic equipment;
step 2, acquiring resolution information of a video source which is currently played, wherein the resolution information comprises a transverse width value and a longitudinal height value, counting by taking a pixel as a unit, and calculating Storage Aspect Ratio (SAR) information of the video;
step 3, obtaining Display Aspect Ratio (DAR) metadata information of a video source currently being played, wherein the DAR information is a character string expression and is expressed as: h, and recording the information;
step 4, judging whether the DAR information obtained in the step 3 is effective, wherein the effective judgment standard is that the width value W and the height value H in the DAR information are both greater than 0, otherwise, the DAR information is invalid, when the DAR information is invalid, the step 5 is carried out, and when the DAR information is effective, the step 6 is carried out;
step 5, in step 4 above, when the DAR information is invalid, obtaining single Pixel Aspect Ratio (PAR) metadata information of a video source currently being played, where the obtained PAR information is a character string expression represented as: w: h, if the width value W and the height value H in the obtained PAR information are not 0, the PAR information is valid, otherwise, the PAR information is invalid, and when the PAR information is valid, the DAR value of the video source is equal to the SAR value multiplied by the PAR value in the step 2, namely DAR (SAR-PAR); if the obtained PAR value is invalid, the DAR value is equal to the SAR value in the step 2, and the step 6 is carried out;
step 6, after obtaining the effective DAR value, comparing whether the DAR value is equal to the SAR value in step 2, if the comparison result is equal, keeping the new width value of the original resolution of the video consistent with the original value, namely Wn is W, and directly entering step 9, otherwise, entering step 7, and recalculating the new resolution width value;
step 7, when the comparison result in the step 6 is not equal, calculating a PAR value of the video currently being played, wherein the PAR value is equal to the DAR value divided by the SAR value, namely, the PAR value is DAR/SAR;
step 8, calculating a resolution adjustment value of the video currently being played according to the PAR value obtained in the step 7, wherein the calculation mode is that the original resolution height value obtained in the step 2 is kept unchanged, and the new width value is equal to the original resolution width value obtained in the step 2 multiplied by the PAR value, namely Wn-W-PAR;
step 9, comparing the width and height values of the video playing display area obtained in the step 1 based on the new resolution width Wn value and the original height H value of the video obtained in the previous step, and obtaining an enlarged minimum multiple value or a reduced maximum multiple value through calculation;
step 10, performing equal ratio calculation on the new video display width and height value according to the zoom multiple obtained in the step 9 to obtain a final video display width and height value;
and step 11, displaying the video picture in the display area according to the final width and height value calculated in the step 10, and filling the uncovered display area with black edges. Therefore, the whole processing flow of automatically zooming the video picture is completed, and the automatic optimal zooming processing of the video playing picture is realized.
Further, step 9 needs to determine whether to perform a reduction or an enlargement process on the video frame before calculating the minimum magnification value or the maximum reduction magnification value; when the new resolution width value is greater than the width value of the video playing display area or the resolution height value is greater than the height value of the video playing display area, the video picture is reduced, and otherwise, the video picture needs to be enlarged.
Further, the method for calculating the magnification of the video image includes the steps of firstly calculating the ratio of the width value of the video display area to the width value of the new resolution of the video to obtain a magnification value N1, then calculating the ratio of the height value of the video display area to the height value of the resolution of the video to obtain another magnification value N2, and taking the minimum value of N1 and N2 as the final magnification value of the video image.
Further, the method for calculating the video frame reduction factor includes calculating a ratio of the new resolution width value to the video display area width value to obtain a reduction factor value M1, calculating a ratio of the resolution height value to the video display area height value to obtain a reduction factor value M2, and taking the maximum value of M1 and M2 as the final reduction factor value of the video frame.
Further, the width value and the height value of the final video frame display are calculated by multiplying the width value of the new resolution by the magnification factor, that is, Wd ═ Wn × Min (N1, N2), and the height value of the final video frame display is multiplied by the magnification factor, that is, Hd ═ H × Min (N1, N2), when the enlargement is required; when the reduction is required, the width value of the final video picture display is the width value of the new resolution divided by the reduction factor, i.e., Wd is Wn/Max (M1, M2), and the height value of the final video picture display is the height value of the resolution divided by the reduction factor, i.e., Hd is H/Max (M1, M2).
The invention has the beneficial effects that: the method realizes the automatic optimized zooming display of the video viewing display picture size, is completely automatic, does not need human participation, does not need any control step, and greatly improves the viewing experience of video playing.
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FIG. 1 is a flow chart of an embodiment.
Detailed Description
As shown in fig. 1, the specific process of the present invention includes:
step 1, after starting video playing, firstly acquiring a transverse width value and a longitudinal height value of a video playing display area of consumer electronic equipment, and counting by taking a pixel as a unit, wherein the width value and the height value can be values of the whole area of a display screen of the consumer electronic equipment or values of a local rectangular area of the display screen of the consumer electronic equipment;
step 2, acquiring resolution information of a video source which is currently played, wherein the resolution information comprises a transverse width value and a longitudinal height value, counting by taking a pixel as a unit, and calculating Storage Aspect Ratio (SAR) information of the video;
step 3, obtaining Display Aspect Ratio (DAR) metadata information of a video source currently being played, wherein the DAR information is a character string expression and is expressed as: h, and recording the information;
step 4, judging whether the DAR information obtained in the step 3 is effective, wherein the effective judgment standard is that the width value W and the height value H in the DAR information are both greater than 0, otherwise, the DAR information is invalid, when the DAR information is invalid, the step 5 is carried out, and when the DAR information is effective, the step 6 is carried out;
step 5, in step 4 above, when the DAR information is invalid, obtaining single Pixel Aspect Ratio (PAR) metadata information of a video source currently being played, where the obtained PAR information is a character string expression represented as: w: h, if the width value W and the height value H in the obtained PAR information are not 0, the PAR information is valid, otherwise, the PAR information is invalid, and when the PAR information is valid, the DAR value of the video source is equal to the SAR value multiplied by the PAR value in the step 2, namely DAR (SAR-PAR); if the obtained PAR value is invalid, the DAR value is equal to the SAR value in the step 2, and the step 6 is carried out;
step 6, after obtaining the effective DAR value, comparing whether the DAR value is equal to the SAR value in step 2, if the comparison result is equal, keeping the new width value of the original resolution of the video consistent with the original value, namely Wn is W, and directly entering step 9, otherwise, entering step 7, and recalculating the new resolution width value;
step 7, when the comparison result in the step 6 is not equal, calculating a PAR value of the video currently being played, wherein the PAR value is equal to the DAR value divided by the SAR value, namely, the PAR value is DAR/SAR;
step 8, calculating a resolution adjustment value of the video currently being played according to the PAR value obtained in the step 7, wherein the calculation mode is that the original resolution height value obtained in the step 2 is kept unchanged, and the new width value is equal to the original resolution width value obtained in the step 2 multiplied by the PAR value, namely Wn-W-PAR;
step 9, firstly, comparing the new resolution width and height obtained in the previous step with the width and height of the video playing display area, if the new resolution width value is greater than the width value of the video playing display area, or if the resolution height value is greater than the height value of the video playing display area, performing reduction processing on the video picture, and otherwise, performing amplification processing on the video picture;
then, based on the new resolution width Wn value and the original height H value of the video obtained in the previous step, comparing the width and the height value of the video playing display area obtained in the step 1, and obtaining an enlarged minimum multiple value or a reduced maximum multiple value through calculation;
the method for calculating the video picture reduction multiple comprises the following steps: firstly, calculating the ratio of the new resolution width value to the width value of the video display area to obtain a reduced multiple value M1, then calculating the ratio of the resolution height value to the height value of the video display area to obtain a reduced multiple value M2, and taking the maximum value of M1 and M2 as the final reduced multiple value of the video picture;
the method for calculating the video picture reduction multiple comprises the following steps: firstly, calculating the ratio of the new resolution width value to the width value of the video display area to obtain a reduced multiple value M1, then calculating the ratio of the resolution height value to the height value of the video display area to obtain a reduced multiple value M2, and taking the maximum value of M1 and M2 as the final reduced multiple value of the video picture;
step 10, performing equal ratio calculation on the new video display width and height value according to the zoom multiple obtained in the step 9 to obtain a final video display width and height value;
and step 11, displaying the video picture in the display area according to the final width and height value calculated in the step 10, and filling the uncovered display area with black edges. The method for calculating the width value and the height value of the final video picture display comprises the following steps: when the enlargement is needed, the width value displayed by the final video picture is the width value of the new resolution multiplied by the enlargement factor, namely, Wd is Wn Min (N1, N2), and the height value displayed by the final video picture is the height value of the resolution multiplied by the enlargement factor, namely, Hd is H Min (N1, N2); when the reduction is required, the width value of the final video picture display is the width value of the new resolution divided by the reduction factor, i.e., Wd is Wn/Max (M1, M2), and the height value of the final video picture display is the height value of the resolution divided by the reduction factor, i.e., Hd is H/Max (M1, M2).
Therefore, the whole processing flow of automatically zooming the video picture is completed, and the automatic optimal zooming processing of the video playing picture is realized.
Examples
The embodiment provides a method for automatically zooming a video playing picture, which is described in detail below.
The consumer electronic device referred to in the embodiments comprises: smart televisions, smart phones, tablet computers, smart projectors, and the above consumer electronics devices are merely examples, and are not exhaustive, and include but not limited to the above terminal devices.
As shown in fig. 1, the complete process of automatic scaling of video frames specifically includes the following steps:
the intelligent television starts to play a network video program, and the name of the program is 'weekend cinema';
step 1, after a program playing of a 'weekend cinema' is started, firstly acquiring a horizontal width value and a vertical height value of a video playing display area of the smart television, and counting by taking pixels as a unit, in the example, a screen of the whole smart television is selected as the video playing display area, and the width of the display area is 1920 pixels, the height of the display area is 1080 pixels, and the record is Wx-1920, Hx-1080;
step 2, acquiring resolution information of the video program "weekend cinema", wherein the width value of the resolution information is 960 pixels, the height value of the resolution information is 400 pixels, that is, W is 960, H is 400, and calculating the storage aspect ratio SAR of the video program "weekend cinema" is 960: 400-2.40: 1;
step 3, acquiring a display width-height ratio of a current video program 'weekend cinema' through a player original data information extraction interface, wherein the DAR is 16: 9;
step 4, because the ratio of the width to the height of the DAR information is greater than 0, the DAR value is effective, and the step 6 is directly entered;
step 6, if the SAR obtained in step 2 is 2.40:1 and the DAR obtained in step 3 is 16:9, and therefore the two ratios are not equal, the process goes to step 7;
step 7, calculating a PAR value of the video program 'weekend cinema', wherein the PAR value is equal to the DAR value divided by the SAR value, namely, PAR (16:9)/(2.40:1) is 3: 4;
step 8, keeping the original resolution height value obtained in step 2 unchanged, namely Hn-H-400, and keeping the new width value Wn equal to the original resolution width value W obtained in step 2 multiplied by the PAR value, namely Wn-W-PAR-960-3/4-720;
step 9, based on the new resolution width Wn and height Hn of 720 and 400 obtained in the previous step 8, comparing the width Wx and height Hx of the video playing display area obtained in step 1 with each other, and because the new resolution height and width are smaller than the width and height of the display area, the method adopts an amplification mode to process, and the magnification factor N1 of the width is 1920/720 and 2.667, and the magnification factor N2 of the height is 1080/400 and 2.7, so the minimum magnification factor Min (N1, N2) is 2.667;
step 10, calculating to obtain final video display width and height values, namely Wd 1920 and Hd 1066 respectively, according to the minimum magnification factor of 2.667 obtained in step 9;
and step 11, displaying the video picture in the display area according to the final width and height value calculated in the step 10, wherein the video height does not fill the whole screen, and 1080-. Therefore, the whole processing flow of automatically zooming the video picture is completed, and the automatic optimal zooming processing of the video playing picture is realized.
The foregoing describes the general principles and features of the present invention and, together with the general principles of the invention, further modifications and improvements thereto, may be made without departing from the spirit and scope of the invention as set forth in the appended claims.
Claims (5)
1. A method for automatically scaling a video frame, comprising the steps of:
step 1, after video playing is started, acquiring a transverse width value and a longitudinal height value of a video playing display area of consumer electronics equipment, and counting by taking a pixel as a unit;
step 2, acquiring resolution information of a video source which is currently played, wherein the resolution information comprises a transverse width value and a longitudinal height value, counting by taking a pixel as a unit, and calculating storage width-to-height ratio information of the video;
step 3, obtaining the display aspect ratio metadata information of the video source which is currently played, and recording the information;
step 4, judging whether the display aspect ratio information obtained in the step 3 is valid, wherein the valid judgment standard is that the width value W and the height value H in the display aspect ratio information are both greater than 0, otherwise, the display aspect ratio information is invalid, when the display aspect ratio information is invalid, the step 5 is carried out, and when the display aspect ratio information is valid, the step 6 is carried out;
step 5, obtaining pixel width-height ratio metadata information of a video source which is currently played, if the width value W and the height value H in the obtained pixel width-height ratio information are not 0, the pixel width-height ratio information is valid, otherwise the pixel width-height ratio information is invalid, and when the pixel width-height ratio information is valid, the display width-height ratio of the video source is equal to the ratio of the storage width-height in the step 2 multiplied by the pixel width-height ratio; if the obtained pixel width-height ratio is invalid, displaying that the width-height ratio is equal to the stored width-height ratio in the step 2, and entering the step 6;
step 6, comparing whether the display width-height ratio is equal to the value of the storage width-height ratio in the step 2, if the comparison result is equal, keeping the new resolution width value Wn of the video consistent with the original width value W, and directly entering the step 9, otherwise, entering the step 7;
step 7, calculating the pixel width-height ratio of the video being played currently, wherein the pixel width-height ratio of the video being played currently is equal to the display width-height ratio divided by the storage width-height ratio;
step 8, calculating a resolution adjustment value of the video currently being played according to the pixel width-height ratio obtained in the step 7, wherein the calculation mode is that the original resolution height value obtained in the step 2 is kept unchanged, and the new resolution width value Wn of the video is equal to the value obtained in the step 2, which is multiplied by the pixel width-height ratio;
step 9, comparing the width value and the height value of the video playing display area obtained in the step 1 based on the new resolution width value Wn and the original height H value of the video, and obtaining an enlarged minimum multiple value or a reduced maximum multiple value through calculation;
step 10, performing equal ratio calculation on the new video display width and height value according to the zoom multiple obtained in the step 9 to obtain a final video display width and height value;
and step 11, displaying the video picture in the display area according to the final width and height value calculated in the step 10.
2. The method for automatically zooming in/out video frames according to claim 1, wherein step 9 determines whether to perform the zooming-in or zooming-out process on the video frame before calculating the minimum magnification value or the maximum magnification value for zooming out; and when the new resolution width value is larger than the width value of the video playing display area or the resolution height value is larger than the height value of the video playing display area, performing reduction processing on the video picture.
3. The method of claim 2, wherein the video magnification is calculated by first calculating a ratio of the width of the video display area to the new resolution width of the video to obtain a magnification value N1, then calculating a ratio of the height of the video display area to the resolution height of the video to obtain another magnification value N2, and taking the minimum of N1 and N2 as the final magnification value of the video.
4. The method of claim 2, wherein the video reduction factor is calculated by first calculating a ratio of a new resolution width of the video to a width of the video display area to obtain a reduction factor value M1, then calculating a ratio of a resolution height to a height of the video display area to obtain a reduction factor value M2, and taking the maximum of M1 and M2 as a final reduction factor value of the video.
5. The method for automatically scaling video frames according to claim 3 or 4, wherein the width and height values of the final video frame display are calculated by multiplying the new resolution width value of the video by the magnification factor and by multiplying the resolution height value by the magnification factor when the final video frame display needs to be enlarged; when the video needs to be reduced, the displayed width value of the final video picture is the new resolution width value of the video divided by the reduction multiple, and the displayed height value of the final video picture is the resolution height value divided by the reduction multiple.
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| WO2020000393A1 (en) * | 2018-06-29 | 2020-01-02 | 深圳市大疆创新科技有限公司 | Image processing method and apparatus, first electronic device, and image processing system |
| CN109120997A (en) * | 2018-09-30 | 2019-01-01 | 北京微播视界科技有限公司 | Method for processing video frequency, device, terminal and medium |
| CN109410864A (en) * | 2018-12-04 | 2019-03-01 | 惠科股份有限公司 | Driving method and driving module of display panel and display device |
| CN112351314B (en) * | 2019-08-07 | 2023-03-14 | 腾讯数码（天津）有限公司 | Multimedia information playing method, server, terminal, system and storage medium |
| CN112135057B (en) * | 2020-09-28 | 2021-09-21 | 北海天下为星科技有限公司 | Video image processing method and system |
| WO2022105345A1 (en) * | 2020-11-23 | 2022-05-27 | 青岛海信传媒网络技术有限公司 | Display device |
| CN113411637B (en) * | 2021-07-05 | 2022-06-24 | 北京海誉动想科技股份有限公司 | Picture processing method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6340992B1 (en) * | 1997-12-31 | 2002-01-22 | Texas Instruments Incorporated | Automatic detection of letterbox and subtitles in video |
| CN101662605A (en) * | 2009-09-17 | 2010-03-03 | 青岛海信电器股份有限公司 | Method and device for adjusting display scale of television |
| CN102890816A (en) * | 2011-07-20 | 2013-01-23 | 深圳市快播科技有限公司 | Method and device for video image scaling |
| CN103399721A (en) * | 2013-07-26 | 2013-11-20 | 北京小米科技有限责任公司 | Method and terminal for displaying broadband data |
| CN103546715A (en) * | 2013-10-30 | 2014-01-29 | 乐视致新电子科技（天津）有限公司 | Method and device for adjusting proportion of picture of smart television |
-
2017
- 2017-08-25 CN CN201710741009.1A patent/CN107371062B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6340992B1 (en) * | 1997-12-31 | 2002-01-22 | Texas Instruments Incorporated | Automatic detection of letterbox and subtitles in video |
| CN101662605A (en) * | 2009-09-17 | 2010-03-03 | 青岛海信电器股份有限公司 | Method and device for adjusting display scale of television |
| CN102890816A (en) * | 2011-07-20 | 2013-01-23 | 深圳市快播科技有限公司 | Method and device for video image scaling |
| CN103399721A (en) * | 2013-07-26 | 2013-11-20 | 北京小米科技有限责任公司 | Method and terminal for displaying broadband data |
| CN103546715A (en) * | 2013-10-30 | 2014-01-29 | 乐视致新电子科技（天津）有限公司 | Method and device for adjusting proportion of picture of smart television |
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