CN105744378A - Video playing method and device - Google Patents
Video playing method and device Download PDFInfo
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- CN105744378A CN105744378A CN201610086028.0A CN201610086028A CN105744378A CN 105744378 A CN105744378 A CN 105744378A CN 201610086028 A CN201610086028 A CN 201610086028A CN 105744378 A CN105744378 A CN 105744378A
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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
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
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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
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
-
- 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 invention discloses a video playing method. The video playing method comprises following steps of sensing a to-be-played video in a cache region; obtaining the identifier of the to-be-played video; according to the identifier, confirming whether the format of the to-be-played video is switched to a high dynamic range image format or not; if the format of the to-be-played video is switched to the high dynamic range image, obtaining a first preset parameter in real time, wherein the first preset parameter is the parameter value of the image corresponding to the video of the high dynamic range image format; according to the first preset parameter, adjusting the parameter value of the image of the to-be-played video and playing the to-be-played video. The invention also discloses a video playing device. When it is sensed that the format of the to-be-played video is switched to the high dynamic range image, the parameter value of the image is adjusted according to the first preset parameter; further the to-be-played video is played; the step of manually invoking a menu for adjusting the parameter value of the image by the user after the format of the to-be-played video is switched is eliminated; and the method and the device are more convenient and intelligent.
Description
Technical field
The present invention relates to technical field of television sets, particularly relate to a kind of video broadcasting method and device.
Background technology
High dynamic range images (High-DynamicRange, it is called for short HDR), compare common image, more dynamic range and image detail can be provided, LDR (Low-DynamicRange) image according to different time of exposure, utilize the LDR image of the corresponding best details of each time of exposure to synthesize final HDR image, it is possible to better to reflect the visual effect in true environment.
Development along with HDR technology, intelligent television can provide and become apparent from real image, but not the video of the video of HDR format and HDR format, different display effects can be presented under identical frame parameter sets, existing intelligent television is when playing the video of the video of non-HDR format and/or HDR format, adopt the parameter value of identical picture, cannot be adjusted dynamically according to the form of video, when the video carrying out different-format switches and plays every time, flashing of picture can be caused, the parameter value of picture cannot adjust in real time automatically, it is required for user and manually recalls the parameter value of menu adjustment picture, intelligence not.
Foregoing is only used for assisting understanding technical scheme, does not represent and admits that foregoing is prior art.
Summary of the invention
A kind of video broadcasting method of offer and device are provided, aim to solve the problem that when the video carrying out different-format switches and plays every time, causing flashing of picture, the parameter value of picture cannot adjust in real time automatically, the problem being required for the parameter value of user's manual adjustments picture.
For achieving the above object, video broadcasting method provided by the invention, described video broadcasting method includes step:
The video to be played of detecting buffer area, obtains the identifier of described video to be played；
According to described identifier, confirm whether described video format to be played switches to high dynamic range images form；
When described video format to be played switches to high dynamic range images, obtaining the first parameter preset in real time, described first parameter preset is the parameter value of the picture that high dynamic range images format video is corresponding；
Adjust the parameter value of video pictures to be played according to described first parameter preset, and play described video to be played.
Alternatively, before the step of described real-time acquisition the first parameter preset, described video broadcasting method further comprises the steps of:
The parameter value of detection current picture；
When parameter value current picture being detected changes, obtain the parameter value of current picture；
Judge that whether the parameter value of current picture is consistent with the numerical value of described first parameter preset；
When the parameter value of current picture and the numerical value of described first parameter preset are inconsistent, the numerical value of described first parameter preset is updated to the parameter value of current picture.
Alternatively, before the step of the parameter value of described detection current picture, described video broadcasting method further comprises the steps of:
When described video format to be played switches to high dynamic range images, it is determined that current picture is bright frame picture or spacer picture；
When current picture is bright frame picture, on TV menu display backlight and brightness regulation hurdle；
When current picture is spacer picture, show tone and contrast adjustment hurdle at TV menu.
Alternatively, described when described video format to be played switches to high dynamic range images, it is determined that current picture is bright frame picture or the step of spacer picture includes:
Obtain the pixel intensity of the first frame picture and last frame picture in the described units of video time to be played；
Pixel intensity according to described first frame picture and last frame picture determines that current picture is bright frame picture or spacer picture.
Alternatively, the described pixel intensity according to described first frame picture and last frame picture determines that current picture is bright frame picture or the step of spacer picture includes:
Add up the described first frame picture the first row pixel intensity number more than the first predetermined threshold value；
Add up the described last frame picture the first row pixel intensity number more than the first predetermined threshold value；
When the described first frame picture the first row pixel intensity number more than the first predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value more than the number of the first predetermined threshold value, current picture is bright frame picture；
Add up the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value；
Add up the described last frame picture the first row pixel intensity number less than the 3rd predetermined threshold value；
When the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value less than the number of the 3rd predetermined threshold value, current picture is spacer picture.
The present invention further provides a kind of video play device, described video play device includes:
Detecting module, for detecting the video to be played of buffer area, obtains the identifier of described video to be played；
First confirms module, for according to described identifier, confirming whether described video format to be played switches to high dynamic range images form；
First acquisition module, for when described video format to be played switches to high dynamic range images, obtaining the first parameter preset in real time, described first parameter preset is the parameter value of the picture that high dynamic range images format video is corresponding；
Playing module, for adjusting the parameter value of video pictures to be played according to described first parameter preset, and plays described video to be played.
Alternatively, described video play device also includes:
Detection module, for detecting the parameter value of current picture；
Second acquisition module, for when parameter value current picture being detected changes, obtaining the parameter value of current picture；
Judge module, for judging that whether the parameter value of current picture is consistent with the numerical value of described first parameter preset；
More new module, for when the parameter value of current picture and the numerical value of described first parameter preset are inconsistent, being updated to the parameter value of current picture by the numerical value of described first parameter preset.
Alternatively, described video play device also includes:
Second confirms module, for when described video format to be played switches to high dynamic range images, it is determined that current picture is bright frame picture or spacer picture；
Display module, for when current picture is bright frame picture, on TV menu display backlight and brightness regulation hurdle and when current picture is spacer picture, shows tone and contrast adjustment hurdle at TV menu.
Alternatively, described second confirms that module includes:
Acquiring unit, for obtaining the pixel intensity of the first frame picture and last frame picture in the described units of video time to be played；
Determine unit, determine that current picture is bright frame picture or spacer picture for the pixel intensity according to described first frame picture and last frame picture.
Alternatively, described determine that unit includes:
First statistics subelement, adds up described first frame picture the first row pixel intensity and more than the number of the first predetermined threshold value and adds up the described last frame picture the first row pixel intensity number more than the first predetermined threshold value；
First determines subelement, for when the described first frame picture the first row pixel intensity number more than the first predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value more than the number of the first predetermined threshold value, current picture is bright frame picture；
Second statistics subelement, less than the number of the 3rd predetermined threshold value and adds up the described last frame picture the first row pixel intensity number less than the 3rd predetermined threshold value for adding up described first frame picture the first row pixel intensity；
Second determines subelement, for when the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value less than the number of the 3rd predetermined threshold value, current picture is spacer picture.
The video broadcasting method of present invention proposition and device, when detecting that video format to be played changes, show that at menu the parameter value of picture regulates hurdle, and the parameter value of the picture after described video to be played or the switching of automatic adaptation video format is play according to the parameter after described renewal, play described video to be played, after eliminating video format to be played switching, user manually recalls the step that menu regulates the parameter value of picture, more convenient and smart.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of video broadcasting method first embodiment of the present invention；
Fig. 2 is the schematic flow sheet of undated parameter in first embodiment of the invention；
Fig. 3 is the schematic flow sheet of video broadcasting method the second embodiment of the present invention；
Fig. 4 is the refinement schematic flow sheet determining picture state in Fig. 3；
Fig. 5 is the refinement schematic flow sheet determining picture state in Fig. 4 according to pixel intensity；
Fig. 6 is the high-level schematic functional block diagram of video play device first embodiment of the present invention；
Fig. 7 is the high-level schematic functional block diagram of undated parameter in first embodiment of the invention；
Fig. 8 is the high-level schematic functional block diagram of video play device the second embodiment of the present invention；
Fig. 9 is the refinement high-level schematic functional block diagram of the second confirmation module in Fig. 8；
Figure 10 is the refinement high-level schematic functional block diagram of confirmation unit in Fig. 9.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of video broadcasting method, and with reference to the schematic flow sheet of the first embodiment that Fig. 1, Fig. 1 are video broadcasting method of the present invention, described video broadcasting method includes step:
Step S10, the video to be played of detecting buffer area, obtain the identifier of described video to be played；
In the present embodiment, when television system detects signal content, the program video content of described signal is cached to buffer area, now, the identifier of described video to be played can be detected, during as being designated 1, described video to be played is high dynamic range images (High-DynamicRange is called for short HDR).
In the present embodiment, it is possible to the mark of video to be played described in timing acquisition, as described in acquisition once in every 10 seconds, the identifier of video to be played, detects whether described video to be played is HDR format.
Step S20, according to described identifier, confirms whether described video format to be played switches to high dynamic range images form；
In the present embodiment, at described identifier, during such as Video_Formate (x1)=1, the form of described video to be played is HDR format, at described identifier, during such as Video_Formate (x2)=2, the form of described video to be played is non-HDR format.
Step S30, when described video format to be played switches to high dynamic range images, obtains the first parameter preset in real time, and described first parameter preset is the parameter value of the picture that high dynamic range images format video is corresponding；
In the present embodiment, when described video format to be played is for being switched to HDR format by non-HDR format, obtaining the parameter value of the picture that HDR format video correspondence is preset in real time, the parameter value of described picture includes brightness, contrast, backlight and tone.
Step S40, adjusts the parameter value of video pictures to be played, and plays described video to be played according to described first parameter preset.
In the present embodiment, when getting described first parameter preset, adjust the parameter value of the picture that described TV shows according to described first parameter preset.
Further, when video to be played switches to HDR format, user is likely to adjust the parameter value of picture, and now parameter preset will be updated to the parameter value of the picture of user setup.
With reference to Fig. 2, before described step S30, described video broadcasting method further comprises the steps of:
Step S50, the parameter value of detection current picture；
In the present embodiment, the parameter value of current picture is obtained, including brightness, contrast, backlight and tone.
Step S60, when parameter value current picture being detected changes, obtains the parameter value of current picture；
In the present embodiment, with picture before, the parameter value of the current picture got is obtained parameter value contrast, when change occurs in the parameter value of described picture, obtain the parameter value of current picture, the parameter value of described current picture is updated and saves as the first parameter preset.
Step S70, it is judged that whether the parameter value of current picture is consistent with the numerical value of described first parameter preset；
Step S80, when the parameter value of current picture and the numerical value of described first parameter preset are inconsistent, is updated to the parameter value of current picture by the numerical value of described first parameter preset.
In the present embodiment, described first parameter preset can update dynamically according to the adjustment of user, when user plays the video of HDR format, automatically obtains the first parameter preset, adjust the parameter value of the picture of described TV, the more intelligent video frequency program playing HDR format.
The video broadcasting method that the present embodiment proposes, when detecting that video format to be played changes, the parameter value of the picture after the switching of automatic adaptation video format, play described video to be played, after eliminating video format to be played switching, user manually recalls the step that menu regulates the parameter value of picture, more convenient and smart.
Further, based on the first embodiment of video broadcasting method of the present invention, it is proposed to the second embodiment of video broadcasting method of the present invention, with reference to Fig. 3, before described step S50, described video broadcasting method further comprises the steps of:
Step S90, when described video format to be played switches to high dynamic range images, it is determined that current picture is bright frame picture or spacer picture；
In the present embodiment, when video format to be played is HDR format, being in different pictures according to the video televised and process state, the display page at described TV shows that the parameter value of corresponding picture adjusts hurdle, facilitates user that the display effect of current video is adjusted.
With reference to Fig. 4, described step S90 includes:
Step S91, obtains the pixel intensity of the first frame picture and last frame picture in the described units of video time to be played；
In the present embodiment, obtaining the first frame picture of described video to be played in the unit interval and the pixel intensity of last frame picture, if the unit interval is 10 seconds, correspondence one second is 60 frame pictures, amounts to 600 pictures.
According to the pixel intensity of described first frame picture and last frame picture, step S92, determines that current picture is bright frame picture or spacer picture.
With reference to Fig. 5, described step S92 includes:
Step S92a, adds up the described first frame picture the first row pixel intensity number more than the first predetermined threshold value；
In the present embodiment, the pixel intensity of the described first frame picture the first row that statistics gets is more than the number of pixels of the first predetermined threshold value, if the first predetermined threshold value is 3/4ths of high-high brightness.
Assume that maximum brightness value is 255, if the 1st pixel brightness value of the first row of the first frame picture is more than 3/4ths: Frame_line (x1)=200 of maximum brightness value；
If the 600th pixel intensity of the first row of the first frame picture is more than the value of high-high brightness 3/4ths: Frame_line (x600)=200.
Step S92b, adds up the described last frame picture the first row pixel intensity number more than the first predetermined threshold value；
In the present embodiment, the pixel intensity of the described last frame picture the first row that statistics gets is more than the number of pixels of the first predetermined threshold value, if the first predetermined threshold value is 3/4ths of high-high brightness.
Step S92c, when the described first frame picture the first row pixel intensity number more than the first predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value more than the number of the first predetermined threshold value, current picture is bright frame picture；
In the present embodiment, described first frame picture the first row pixel intensity more than the number of the first predetermined threshold value and last frame picture the first row pixel intensity more than the number of the first predetermined threshold value be all higher than the second predetermined threshold value such as total number of the first row pixel two/for the moment, confirm that current picture is bright frame picture.
As added up when first pixel pixel intensity to the 600th pixel total number more than 3/4*255 (maximum pixel brightness)=191 is 600, (amounting to number of pixels is 1024,600 more than half), First_Frame (x)=1, described current picture is judged to bright frame picture.
Step S92d, adds up the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value；
In the present embodiment, the pixel intensity of the described first frame picture the first row that statistics gets is less than the number of pixels of the 3rd predetermined threshold value, if the 3rd predetermined threshold value is 1/4th of high-high brightness.
Assume that maximum brightness value is 255, if the 1st pixel brightness value of the first row of the first frame picture is less than 1/4th: Frame_line (x1)=63 of maximum brightness value；
If the 600th pixel intensity of the first row of the first frame picture is more than the value of high-high brightness 1/4th: Frame_line (x600)=63.
Step S92e, adds up the described last frame picture the first row pixel intensity number less than the 3rd predetermined threshold value；
Step S92f, when the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value less than the number of the 3rd predetermined threshold value, current picture is spacer picture.
In the present embodiment, the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity less than the number of the 3rd predetermined threshold value be all higher than the second predetermined threshold value such as total number of the first row pixel two/for the moment, confirm that current picture is spacer picture.
As added up (amount to number of pixels be 1024,600 more than half) when first pixel pixel intensity to the 600th pixel total number less than 1/4*255 (maximum pixel brightness)=63 is 600,
First_Frame (x)=1, described current picture is judged to spacer picture.
Step S100 is when current picture is bright frame picture, on TV menu display backlight and brightness regulation hurdle；
Step S110, when current picture is spacer picture, shows tone and contrast adjustment hurdle at TV menu.
The video broadcasting method that the present embodiment proposes, obtain the pixel intensity of some frame pictures in the units of video time to be played, the process state of confirmation screen, process state according to picture, determine the adjustment hurdle of the parameter value of the picture shown at menu bar, make the adjustment of the parameter value carrying out picture that user can be convenient.
The present invention further provides a kind of video play device, with reference to the high-level schematic functional block diagram that Fig. 6, Fig. 6 are video play device first embodiment of the present invention, described video play device includes:
Detecting module 10, for detecting the video to be played of buffer area, obtains the identifier of described video to be played；
In the present embodiment, when television system detects signal content, the program video content of described signal is cached to buffer area, now, the identifier of described video to be played can be detected, during as being designated 1, described video to be played is high dynamic range images (High-DynamicRange is called for short HDR).
In the present embodiment, it is possible to the mark of video to be played described in timing acquisition, as described in acquisition once in every 10 seconds, the identifier of video to be played, detects whether described video to be played is HDR format.
First confirms module 20, for according to described identifier, confirming whether described video format to be played switches to high dynamic range images form；
In the present embodiment, at described identifier, during such as Video_Formate (x1)=1, the form of described video to be played is HDR format, at described identifier, during such as Video_Formate (x2)=2, the form of described video to be played is non-HDR format.
First acquisition module 30, for when described video format to be played switches to high dynamic range images, obtaining the first parameter preset in real time, described first parameter preset is the parameter value of the picture that high dynamic range images format video is corresponding；
In the present embodiment, when described video format to be played is for being switched to HDR format by non-HDR format, obtaining the parameter value of the picture that HDR format video correspondence is preset in real time, the parameter value of described picture includes brightness, contrast, backlight and tone.
Playing module 40, for adjusting the parameter value of video pictures to be played according to described first parameter preset, and plays described video to be played.
In the present embodiment, when getting described first parameter preset, adjust the parameter value of the picture that described TV shows according to described first parameter preset.
Further, when video to be played switches to HDR format, user is likely to adjust the parameter value of picture, and now parameter preset will be updated to the parameter value of the picture of user setup.
With reference to Fig. 7, described video play device also includes:
Detection module 50, for detecting the parameter value of current picture；
In the present embodiment, the parameter value of the picture of current picture is obtained, including brightness, contrast, backlight and tone.
Second acquisition module 60, for when parameter value current picture being detected changes, obtaining the parameter value of current picture；
In the present embodiment, the parameter value of the parameter value of the picture of the current picture got with picture before is contrasted, when change occurs in the parameter value of described picture, obtain the parameter value of current picture, the parameter value of the picture of described current picture is updated and saves as the first parameter preset.
Judge module 70, for judging that whether the parameter value of current picture is consistent with the numerical value of described first parameter preset；
More new module 80, for when the parameter value of current picture and the numerical value of described first parameter preset are inconsistent, being updated to the parameter value of current picture by the numerical value of described first parameter preset.
In the present embodiment, described first parameter preset can update dynamically according to the adjustment of user, when user plays the video of HDR format, automatically obtains the first parameter preset, adjust the parameter value of the picture of described TV, the more intelligent video frequency program playing HDR format.
The video play device that the present embodiment proposes, when detecting that video format to be played changes, the parameter value of the picture after the switching of automatic adaptation video format, play described video to be played, after eliminating video format to be played switching, user manually recalls the step that menu regulates the parameter value of picture, more convenient and smart.
Further, based on the first embodiment of video play device of the present invention, it is proposed to the second embodiment of video play device of the present invention, with reference to Fig. 8, described video play device also includes:
Second confirms module 90, for when described video format to be played switches to high dynamic range images, it is determined that current picture is bright frame picture or spacer picture；
In the present embodiment, when video format to be played is HDR format, being in different pictures according to the video televised and process state, the display page at described TV shows that the parameter value of corresponding picture adjusts hurdle, facilitates user that the display effect of current video is adjusted.
With reference to Fig. 9, described second confirms that module 90 includes:
Acquiring unit 91, for obtaining the pixel intensity of the first frame picture and last frame picture in the described units of video time to be played；
Determine unit 92, determine that current picture is bright frame picture or spacer picture for the pixel intensity according to described first frame picture and last frame picture.
With reference to Figure 10, described determine that unit 92 includes:
First statistics subelement 92a, adds up described first frame picture the first row pixel intensity and more than the number of the first predetermined threshold value and adds up the described last frame picture the first row pixel intensity number more than the first predetermined threshold value；
In the present embodiment, the pixel intensity of the described first frame picture the first row that statistics gets is more than the number of pixels of the first predetermined threshold value, if the first predetermined threshold value is 3/4ths of high-high brightness.
Assume that maximum brightness value is 255, if the 1st pixel brightness value of the first row of the first frame picture is more than 3/4ths: Frame_line (x1)=200 of maximum brightness value；
If the 600th pixel intensity of the first row of the first frame picture is more than the value of high-high brightness 3/4ths: Frame_line (x600)=200.
First determines subelement 92b, for when the described first frame picture the first row pixel intensity number more than the first predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value more than the number of the first predetermined threshold value, current picture is bright frame picture；
In the present embodiment, the pixel intensity of the described last frame picture the first row that statistics gets is more than the number of pixels of the first predetermined threshold value, if the first predetermined threshold value is 3/4ths of high-high brightness.
In the present embodiment, described first frame picture the first row pixel intensity more than the number of the first predetermined threshold value and last frame picture the first row pixel intensity more than the number of the first predetermined threshold value be all higher than the second predetermined threshold value such as total number of the first row pixel two/for the moment, confirm that current picture is bright frame picture.
As added up when first pixel pixel intensity to the 600th pixel total number more than 3/4*255 (maximum pixel brightness)=191 is 600, (amounting to number of pixels is 1024,600 more than half), First_Frame (x)=1, described current picture is judged to bright frame picture.
Second statistics subelement 92c, less than the number of the 3rd predetermined threshold value and adds up the described last frame picture the first row pixel intensity number less than the 3rd predetermined threshold value for adding up described first frame picture the first row pixel intensity；
In the present embodiment, the pixel intensity of the described first frame picture the first row that statistics gets is less than the number of pixels of the 3rd predetermined threshold value, if the 3rd predetermined threshold value is 1/4th of high-high brightness.
Assume that maximum brightness value is 255, if the 1st pixel brightness value of the first row of the first frame picture is less than 1/4th: Frame_line (x1)=63 of maximum brightness value；
If the 600th pixel intensity of the first row of the first frame picture is more than the value of high-high brightness 1/4th: Frame_line (x600)=63.
Second determines subelement 92d, for when the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value less than the number of the 3rd predetermined threshold value, current picture is spacer picture.
In the present embodiment, the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity less than the number of the 3rd predetermined threshold value be all higher than the second predetermined threshold value such as total number of the first row pixel two/for the moment, confirm that current picture is spacer picture.
As added up (amount to number of pixels be 1024,600 more than half) when first pixel pixel intensity to the 600th pixel total number less than 1/4*255 (maximum pixel brightness)=63 is 600,
First_Frame (x)=1, described current picture is judged to spacer picture.
In the present embodiment, the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity less than the number of the 3rd predetermined threshold value be all higher than the second predetermined threshold value such as total number of the first row pixel two/for the moment, confirm that current picture is spacer picture.
As added up (amount to number of pixels be 1024,600 more than half) when first pixel pixel intensity to the 600th pixel total number less than 1/4*255 (maximum pixel brightness)=63 is 600,
First_Frame (x)=1, described current picture is judged to spacer picture.
Display module 100, for when current picture is bright frame picture, on TV menu display backlight and brightness regulation hurdle and when current picture is spacer picture, shows tone and contrast adjustment hurdle at TV menu.
The video broadcasting method that the present embodiment proposes, obtain the pixel intensity of some frame pictures in the units of video time to be played, the process state of confirmation screen, process state according to picture, determine the adjustment hurdle of the parameter value of the picture shown at menu bar, make the adjustment of the parameter value carrying out picture that user can be convenient.
It should be noted that, in this article, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or device not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or device.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of this key element, method, article or device.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to above-described embodiment method and realize, hardware can certainly be passed through, but in a lot of situation, the former is embodiment more preferably.Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, server, air-conditioner, or the network equipment etc.) perform the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. a video broadcasting method, it is characterised in that described video broadcasting method includes step:
The video to be played of detecting buffer area, obtains the identifier of described video to be played；
According to described identifier, confirm whether described video format to be played switches to high dynamic range images form；
When described video format to be played switches to high dynamic range images, obtaining the first parameter preset in real time, described first parameter preset is the parameter value of the picture that high dynamic range images format video is corresponding；
Adjust the parameter value of video pictures to be played according to described first parameter preset, and play described video to be played.
2. video broadcasting method as claimed in claim 1, it is characterised in that before the step of described real-time acquisition the first parameter preset, described video broadcasting method further comprises the steps of:
The parameter value of detection current picture；
When parameter value current picture being detected changes, obtain the parameter value of current picture；
Judge that whether the parameter value of current picture is consistent with the numerical value of described first parameter preset；
When the parameter value of current picture and the numerical value of described first parameter preset are inconsistent, the numerical value of described first parameter preset is updated to the parameter value of current picture.
3. video broadcasting method as claimed in claim 2, it is characterised in that before the step of the parameter value of described detection current picture, described video broadcasting method further comprises the steps of:
When described video format to be played switches to high dynamic range images, it is determined that current picture is bright frame picture or spacer picture；
When current picture is bright frame picture, on TV menu display backlight and brightness regulation hurdle；
When current picture is spacer picture, show tone and contrast adjustment hurdle at TV menu.
4. video broadcasting method as claimed in claim 2, it is characterised in that described when described video format to be played switches to high dynamic range images, it is determined that current picture is bright frame picture or the step of spacer picture includes:
Obtain the pixel intensity of the first frame picture and last frame picture in the described units of video time to be played；
Pixel intensity according to described first frame picture and last frame picture determines that current picture is bright frame picture or spacer picture.
5. video broadcasting method as claimed in claim 4, it is characterised in that the described pixel intensity according to described first frame picture and last frame picture determines that current picture is bright frame picture or the step of spacer picture includes:
Add up the described first frame picture the first row pixel intensity number more than the first predetermined threshold value；
Add up the described last frame picture the first row pixel intensity number more than the first predetermined threshold value；
When the described first frame picture the first row pixel intensity number more than the first predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value more than the number of the first predetermined threshold value, current picture is bright frame picture；
Add up the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value；
Add up the described last frame picture the first row pixel intensity number less than the 3rd predetermined threshold value；
When the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value less than the number of the 3rd predetermined threshold value, current picture is spacer picture.
6. a video play device, it is characterised in that described video play device includes:
Detecting module, for detecting the video to be played of buffer area, obtains the identifier of described video to be played；
First confirms module, for according to described identifier, confirming whether described video format to be played switches to high dynamic range images form；
First acquisition module, for when described video format to be played switches to high dynamic range images, obtaining the first parameter preset in real time, described first parameter preset is the parameter value of the picture that high dynamic range images format video is corresponding；
Playing module, for adjusting the parameter value of video pictures to be played according to described first parameter preset, and plays described video to be played.
7. video play device as claimed in claim 6, it is characterised in that described video play device also includes:
Detection module, for detecting the parameter value of current picture；
Second acquisition module, for when parameter value current picture being detected changes, obtaining the parameter value of current picture；
Judge module, for judging that whether the parameter value of current picture is consistent with the numerical value of described first parameter preset；
More new module, for when the parameter value of current picture and the numerical value of described first parameter preset are inconsistent, being updated to the parameter value of current picture by the numerical value of described first parameter preset.
8. video play device as claimed in claim 7, it is characterised in that described video play device also includes:
Second confirms module, for when described video format to be played switches to high dynamic range images, it is determined that current picture is bright frame picture or spacer picture；
Display module, for when current picture is bright frame picture, on TV menu display backlight and brightness regulation hurdle and when current picture is spacer picture, shows tone and contrast adjustment hurdle at TV menu.
9. video play device as claimed in claim 7, it is characterised in that described second confirms that module includes:
Acquiring unit, for obtaining the pixel intensity of the first frame picture and last frame picture in the described units of video time to be played；
Determine unit, determine that current picture is bright frame picture or spacer picture for the pixel intensity according to described first frame picture and last frame picture.
10. video play device as claimed in claim 9, it is characterised in that described determine that unit includes:
First statistics subelement, adds up described first frame picture the first row pixel intensity and more than the number of the first predetermined threshold value and adds up the described last frame picture the first row pixel intensity number more than the first predetermined threshold value；
First determines subelement, for when the described first frame picture the first row pixel intensity number more than the first predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value more than the number of the first predetermined threshold value, current picture is bright frame picture；
Second statistics subelement, less than the number of the 3rd predetermined threshold value and adds up the described last frame picture the first row pixel intensity number less than the 3rd predetermined threshold value for adding up described first frame picture the first row pixel intensity；
Second determines subelement, for when the described first frame picture the first row pixel intensity number less than the 3rd predetermined threshold value and last frame picture the first row pixel intensity are all higher than the second predetermined threshold value less than the number of the 3rd predetermined threshold value, current picture is spacer picture.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610086028.0A CN105744378A (en) | 2016-02-15 | 2016-02-15 | Video playing method and device |
| PCT/CN2016/084608 WO2017140066A1 (en) | 2016-02-15 | 2016-06-03 | Method and device for video playback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610086028.0A CN105744378A (en) | 2016-02-15 | 2016-02-15 | Video playing method and device |
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| CN105744378A true CN105744378A (en) | 2016-07-06 |
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| CN201610086028.0A Pending CN105744378A (en) | 2016-02-15 | 2016-02-15 | Video playing method and device |
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| CN (1) | CN105744378A (en) |
| WO (1) | WO2017140066A1 (en) |
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