CN103716575A - Display device and display control method capable of adjusting definition - Google Patents
Display device and display control method capable of adjusting definition Download PDFInfo
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- CN103716575A CN103716575A CN201310686360.7A CN201310686360A CN103716575A CN 103716575 A CN103716575 A CN 103716575A CN 201310686360 A CN201310686360 A CN 201310686360A CN 103716575 A CN103716575 A CN 103716575A
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Abstract
The invention provides a display device and a display control method capable of adjusting the definition. The method comprises the steps of receiving and storing a video image sent by a signal source, analyzing the received video image to acquire the resolution of the video image, adjusting the definition parameter corresponding to the definition of the display device according to the resolution of the received video image, and displaying the video image according to the definition parameter. The device comprises a receiving module used for receiving and storing the video image sent by the signal source, an analysis module used for analyzing the received video image to acquire the resolution of the video image, an adjustment module used for adjusting the definition parameter corresponding to the definition of the display device according to the resolution of the received video image, and a display module used for displaying the video image according to the definition parameter. The definition of the display device can be adjusted according to video images of different resolutions provided by the signal source.
Description
Technical field
The present invention relates to video display technology field, relate in particular to a kind of display unit and control method of capable of regulating definition.
Background technology
Along with the development of video display technology, display unit tends to adopt goes interlacing and Motion estimation and compensation technology that the video image of high definition is provided.Deinterlacing technique is converted to progressive interlaced video exactly.Conventionally this is that a data volume doubles and the constant process of amount of information.Estimation is to obtain motion vector according to the relative displacement of match block and current block.Motion compensation is to describe neighbor frame difference method for distinguishing.Display unit, by adopting above-mentioned technology that the video image of high definition can be provided, has been improved image quality.
But existing display unit, due to the difference of the signal source of institute's receiver, video image, causes the video image receiving to have different resolution.Such as, the signal source of intelligent television comprises program source and the Internet.Program source comprises high clear video image and SD video image, and its resolution there are differences.In addition,, when signal source is the Internet, the resolution of network audio-video image is also different from program source audio frequency and video image.The display resolution of existing display unit is fixed, and the signal source for the video image of different resolution adopts identical definition to show.In order to guarantee that the video image of different resolution can both show preferably in display unit, that often the definition of display unit is adjusted is lower.But, when the resolution of the video image receiving is higher, can not obtain best video display effect like this.
The definition that the video image of the different resolution therefore, how providing according to signal source is adjusted display unit becomes technical problem urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of display unit and control method of capable of regulating definition, its video image that different resolution providing according to signal source can be provided is adjusted the definition of display unit.
The display control method that the invention provides a kind of capable of regulating definition, method comprises:
Receive and preserve the video image that signal source sends;
Resolve the video image receiving, obtain the resolution of video image;
According to the corresponding definition parameter of definition of the resolution adjustment display unit of the video image receiving;
According to definition parameter, display video image.
Further, the present invention resolves the video image of reception, and the resolution of obtaining video image comprises:
Obtain the file format of receiver, video image;
The resolution of the video image of pre-stored in file reading form.
Further, the present invention resolves the video image of reception, and the resolution of obtaining video image comprises:
Judge that whether video image is encode video image H.264;
If video image is encode video image H.264, according to the characterization parameter of video image, determine the resolution of video image.
Further, characterization parameter of the present invention comprises:
Video image number of macroblocks that width comprises and video image number of macroblocks that height comprises.
Further, the present invention comprises according to the corresponding definition parameter of definition of the resolution adjustment display unit of the video image receiving:
The mapping relations table of the definition of storage resolution and display unit;
Search mapping relations table, obtain the levels of sharpness of the corresponding display unit of resolution of the video image receiving;
According to levels of sharpness, adjust the corresponding definition parameter of definition of display unit.
The display unit that the invention provides a kind of capable of regulating definition, device comprises:
Receiver module, the video image sending for receiving and preserve signal source;
Parsing module, for resolving the video image of reception, obtains the resolution of video image;
Adjusting module, for according to the corresponding definition parameter of definition of the resolution adjustment display unit of the video image receiving;
Display module, for according to definition parameter, display video image.
Further, parsing module of the present invention comprises:
Format acquisition unit, for obtaining the file format of receiver, video image;
Resolution reading unit, for the resolution of the video image of file reading form pre-stored.
Further, parsing module of the present invention comprises:
Whether coding judging unit is encode video image H.264 for detection of video image;
Resolution determining unit, for being encode video image H.264 when video image, determines the resolution of video image according to the characterization parameter of video image.
Further, characterization parameter of the present invention comprises:
Video image number of macroblocks that width comprises and video image number of macroblocks that height comprises.
Further, adjusting module of the present invention comprises:
Mapping memory cell, for the mapping relations table of the definition of storage resolution and display unit;
Grade acquiring unit, for searching mapping relations table, obtains the levels of sharpness of the corresponding display unit of resolution of the video image receiving;
Parameter adjustment unit, for adjusting the corresponding definition parameter of definition of display unit according to levels of sharpness.
In prior art, the difference of the signal source receiving due to display unit, the resolution of the video image that the signal source that display unit receives sends is not identical yet; And first the present invention resolves the video image of reception, and obtain the resolution of video image, then according to the definition parameter of the resolution adjustment display unit of the video image receiving, according to the definition parameter after adjusting, display video image; Like this, the video image of the different resolution providing according to signal source has just been provided and has been adjusted the definition of display unit, thereby guaranteed that the video image of various different resolutions can both obtain good display effect in display unit.
Accompanying drawing explanation
Fig. 1 is the flow chart of the display control method of capable of regulating definition of the present invention;
Fig. 2 is the flow chart of an embodiment of step 102 in control method of the present invention;
Fig. 3 is the flow chart of step 103 in control method of the present invention;
Fig. 4 is the flow chart of another embodiment of step 102 in control method of the present invention;
Fig. 5 is the structure chart of the display unit of capable of regulating definition of the present invention.
Embodiment
The present invention is due to the difference of the signal source of display unit reception, and the resolution of the video image that the signal source that display unit receives sends is not identical yet.Display unit of the present invention is according to the definition parameter of the resolution adjustment display unit of the video image receiving, according to the definition parameter after adjusting, display video image.The video image that can guarantee so various different resolutions can both obtain good display effect in display unit.
For further illustrating the present invention, provide the following example:
Embodiment mono-
Referring to Fig. 1, the invention provides a kind of display control method of capable of regulating definition, it is applied on video image display apparatus.
Method comprises:
101, receive and preserve the video image that signal source sends.
Display unit, such as intelligent television generally includes a plurality of unlike signal source interfaces, is kept in internal memory after the video image that intelligent television reception unlike signal source sends.Signal source generally includes: program source and the Internet, program source also comprises SD program source, high-definition program source and ultra high-definition program source.
102, resolve the video image receiving, obtain the resolution of described video image.
Resolution (Resolution) refers to the pixel count (PPI, Pixel per inch) comprising on one inch of area, and the height of resolution is the technical parameter of weighing image detail expressive force.The resolution of the video image that we conventionally say is that 320X180 refers to its valid pixel number on horizontal and vertical.Such as, the resolution of high clear video image is 1024 * 768,1280 * 720,1366 * 768,1920 * 1080 etc.
Further, referring to Fig. 2, step 102 comprises:
1021, obtain the file format of receiver, video image.
The existing method of obtaining video resolution is all first to obtain the file format of video image, determines the file format that is stored in the video image in display unit internal memory, such as MP4, FLV(Flash Video) and MKV(Matroska) etc.
1022, the resolution of the video image of pre-stored in file reading form.
Due to Miscellaneous Documents form all can pre-stored video image resolution, when coding, in the file format of the video image of coding, write the resolution of video image.So, after file reading form, can know according to file format the resolution of video image.Conventionally the cpu chip of display unit can read by the video jukebox software of storing in internal memory the resolution of video image, such as MX video player etc.
103, according to the corresponding definition parameter of definition of the resolution adjustment display unit of the video image receiving.
Definition refers to the coefficient result of border acutance, the micro-contrast of interlayer and texture.If the resolution of the video image that display unit shows is higher, but the definition that display unit itself arranges is lower, cannot carry out to the video image of above-mentioned high-resolution the demonstration of very good effect.
Further, referring to Fig. 3, step 103 comprises:
1031, the mapping relations table of the definition of storage resolution and display unit.
Preferably, referring to table one, display unit is stored the mapping relations table of a resolution and definition in internal memory.Preferably, can comprise: the resolution according to receiving signal source video image, the definition of display unit is divided into five grades, the resolution that each grade is corresponding different, the higher corresponding definition of resolution is higher.The first estate < the second grade < tertiary gradient < fourth estate < the 5th grade.Wherein 320 * 240 are usually used in mobile phone video image are provided; 640 * 480 are usually used in the video image that palm playback equipment or Standard Definition Television program source provide; 1024 * 768 are usually used in the film of DVD image quality; 1280 * 720th, the minimum standard of high-definition program source video image; 1920 * 1080 and be high-definition movie above.
Table one
1032, search mapping relations table, obtain the levels of sharpness of the corresponding display unit of resolution of the video image receiving.
The cpu chip of display unit obtains after the resolution of receiver, video image, according to the table one of storing in internal memory, obtains levels of sharpness corresponding to resolution.
1033, according to levels of sharpness, adjust the corresponding definition parameter of definition of display unit.
The definition that display unit shows in the user interface of different signal sources is all identical numerical value, and the cpu chip of display unit, according to levels of sharpness, is adjusted the corresponding definition parameter of the definition numerical value in user interface.Preferably, the corresponding relation of the definition of user interface, levels of sharpness and definition parameter as shown in Table 2.For example, referring to table one, when the video image receiving is SD video image, its resolution is 640 * 480, and corresponding levels of sharpness is the second grade; When the video image receiving is high clear video image, its resolution is 1280 * 720, and corresponding levels of sharpness is the second grade.If the definition showing in the SD video image that television equipment receives and the user interface of these two kinds of signal sources of high clear video image is all 50.Referring to table two, because the levels of sharpness of SD video image is the second grade, the levels of sharpness of high clear video image is the fourth estate, and the definition parameter 500 of definition 50 correspondences of SD video image is lower than the definition parameter 500000 of definition 50 correspondences of high clear video image.
Table two
104, according to definition parameter, display video image.
The cpu chip of display unit, according to definition parameter display video image, as above-mentioned example, be take definition parameter as 500 demonstration SD video images; With definition parameter 500000, show high clear video image.
Therefore, display unit of the present invention is according to the definition parameter of the resolution adjustment display unit of the video image receiving, according to the definition parameter after adjusting, display video image.Such as, the video image of reception is SD video image, with definition parameter 500, shows SD video image; The video image receiving is high clear video image, with definition parameter 500000, shows high clear video image.The display unit of prior art all adopts identical definition parameter for SD video image and high clear video image, thereby is difficult to obtain good display effect for video image.The present invention can guarantee that the video image of various different resolutions can both obtain good display effect in display unit.
Embodiment bis-
Referring to Fig. 4, compared to embodiment mono-, by file format, obtain the resolution of video image, the present embodiment is only that with the difference of embodiment mono-whether by video image be H.264 encode video image and the resolution that obtains video image according to the feature of encode video image H.264, and the present embodiment step 102 comprises:
1021 ', judge that whether video image is encode video image H.264.
If video image is encode video image H.264, because the video resolution of coding H.264 must be 16 multiple, so obtain the H.264 resolution of encode video image according to encode video image feature H.264.
1022 ', if video image is encode video image H.264, according to the characterization parameter of video image, determine the resolution of video image.
Further, characterization parameter comprises: video image number of macroblocks that width comprises and video image number of macroblocks that height comprises.
Particularly, the width of image equals after decoding video images number of macroblocks that width comprises adds 1 to be multiplied by 16, and the height of image equals after video image number of macroblocks that height comprises adds 1 to be multiplied by 16.The resolution of video image equals the height of the width * image of image.
Embodiment tri-
Referring to Fig. 5, corresponding to said method, the present invention also provides a kind of display unit 5 of capable of regulating definition, and display unit 5 comprises cpu chip, internal memory and display floater backlight on hardware, and cpu chip is controlled display floater backlight according to definition parameter display video image.Display unit 5 comprises:
Parsing module 52, for resolving the video image of reception, obtains the resolution of video image.
The cpu chip of display unit 5 is resolved the video image in its internal memory, thereby obtains the resolution of this video image.
Further, parsing module 52 comprises:
Format acquisition unit, for obtaining the file format of receiver, video image.
The cpu chip of display unit 5 first obtains the file format of video image, determines the file format that is stored in the video image in display unit internal memory, such as MP4, FLV(Flash Video) and MKV(Matroska) etc.
Resolution reading unit, for the resolution of the video image of file reading form pre-stored.
Conventionally the cpu chip of display unit can read by the video jukebox software of storing in internal memory the resolution of video image, such as MX video player etc.
Or further, parsing module comprises:
Whether coding judging unit is encode video image H.264 for detection of video image.
Because the video resolution of coding H.264 must be 16 multiple, so the multiple that can be 16 by the resolution autocoding that is not 16 multiples, can cause like this resolution reading not is the resolution accurately of video image.
Resolution determining unit, for being encode video image H.264 when video image, determines the resolution of video image according to the characterization parameter of video image.Characterization parameter comprises: video image number of macroblocks that width comprises and video image number of macroblocks that height comprises.
Particularly, the width of image equals after decoding video images number of macroblocks that width comprises adds 1 to be multiplied by 16, and the height of image equals after video image number of macroblocks that height comprises adds 1 to be multiplied by 16.The resolution of video image equals the height of the width * image of image.
Adjusting module 53, for according to the corresponding definition parameter of definition of the resolution adjustment display unit of the video image receiving.
The definition parameter that the cpu chip of display unit 5 shows according to the resolution adjustment of video image display floater backlight.
Adjusting module 53 comprises:
Mapping memory cell, for the mapping relations table of the definition of storage resolution and display unit.
Preferably, referring to table one, in the internal memory of display unit 4, store the mapping relations table of a resolution and definition.Conventionally this mapping relations table is to set in advance in the internal memory of display unit 4 before display unit is dispatched from the factory.
Grade acquiring unit, for searching mapping relations table, obtains the levels of sharpness of the corresponding display unit of resolution of the video image receiving.
The cpu chip of display unit 5 is searched mapping relations table, obtains the levels of sharpness of the corresponding display unit of resolution of the video image that receives.
Parameter adjustment unit, for adjusting the corresponding definition parameter of definition of display unit according to levels of sharpness.
The definition that display unit 5 shows in the user interface of different signal sources is all identical numerical value, and the cpu chip of display unit 5, according to levels of sharpness, is adjusted the corresponding definition parameter of the definition numerical value in user interface.Preferably, the corresponding relation of the definition of user interface, levels of sharpness and definition parameter as shown in Table 2.
Display module 54, for according to definition parameter, display video image.
The cpu chip of display unit 5 is according to definition parameter display video image.
Therefore, display unit 4 of the present invention is according to the definition parameter of the resolution adjustment display unit of the video image receiving, according to the definition parameter after adjusting, display video image.The present invention can guarantee that the video image of various different resolutions can both obtain good display effect in display unit.
These are only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (10)
1. a display control method for capable of regulating definition, is characterized in that, comprising:
Receive and preserve the video image that signal source sends;
Resolve the video image receiving, obtain the resolution of described video image;
According to the corresponding definition parameter of definition of the resolution adjustment display unit of the video image receiving;
According to described definition parameter, display video image.
2. according to the method for claim 1, it is characterized in that,
Resolve the video image receiving, the resolution of obtaining video image comprises:
Obtain the file format of receiver, video image;
The resolution of the video image of pre-stored in file reading form.
3. according to the method for claim 1, it is characterized in that,
Resolve the video image receiving, the resolution of obtaining video image comprises:
Judge that whether video image is encode video image H.264;
If video image is encode video image H.264, according to the characterization parameter of video image, determine the resolution of video image.
4. according to the method for claim 3, it is characterized in that, described characterization parameter comprises:
Video image number of macroblocks that width comprises and video image number of macroblocks that height comprises.
5. according to the method for claim 1, it is characterized in that,
According to the corresponding definition parameter of definition of the resolution adjustment display unit of the video image receiving, comprise:
Mapping relations table between storage resolution and the definition of display unit;
Search described mapping relations table, obtain the levels of sharpness of the corresponding display unit of resolution of the video image receiving;
According to levels of sharpness, adjust the corresponding definition parameter of definition of display unit.
6. a display unit for capable of regulating definition, is characterized in that, device comprises:
Receiver module, the video image sending for receiving and preserve signal source;
Parsing module, for resolving the video image of reception, obtains the resolution of described video image;
Adjusting module, for according to the corresponding definition parameter of definition of the resolution adjustment display unit of the video image receiving;
Display module, for according to described definition parameter, shows described video image.
7. according to the device of claim 6, it is characterized in that, parsing module comprises:
Format acquisition unit, for obtaining the file format of receiver, video image;
Resolution reading unit, for the resolution of the video image of file reading form pre-stored.
8. according to the device of claim 6, it is characterized in that, parsing module comprises:
Whether coding judging unit is encode video image H.264 for detection of video image;
Resolution determining unit, for being encode video image H.264 when video image, determines the resolution of video image according to the characterization parameter of video image.
9. device according to Claim 8, is characterized in that, characterization parameter comprises:
Video image number of macroblocks that width comprises and video image number of macroblocks that height comprises.
10. according to the device of claim 6, it is characterized in that, adjusting module comprises:
Mapping memory cell, for the mapping relations table of the definition of storage resolution and display unit;
Grade acquiring unit, for searching mapping relations table, obtains the levels of sharpness of the corresponding display unit of resolution of the video image receiving;
Parameter adjustment unit, for adjusting the corresponding definition parameter of definition of display unit according to levels of sharpness.
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| CN114664216A (en) * | 2022-02-21 | 2022-06-24 | 北京富通亚讯网络信息技术有限公司 | Diversity signal generating system and method based on double-domain mode locking technology |
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