WO2017140066A1 - 视频播放方法和装置 - Google Patents

视频播放方法和装置 Download PDF

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Publication number
WO2017140066A1
WO2017140066A1 PCT/CN2016/084608 CN2016084608W WO2017140066A1 WO 2017140066 A1 WO2017140066 A1 WO 2017140066A1 CN 2016084608 W CN2016084608 W CN 2016084608W WO 2017140066 A1 WO2017140066 A1 WO 2017140066A1
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WIPO (PCT)
Prior art keywords
video
picture
played
frame
current
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PCT/CN2016/084608
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English (en)
French (fr)
Inventor
黄孙明
王云华
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深圳Tcl数字技术有限公司
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Publication of WO2017140066A1 publication Critical patent/WO2017140066A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/485End-user interface for client configuration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/485End-user interface for client configuration
    • H04N21/4854End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/44Processing 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
    • H04N21/44008Processing 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 operations for analysing video streams, e.g. detecting features or characteristics in the video stream

Definitions

  • the present invention relates to the field of television technologies, and in particular, to a video playing method and apparatus.
  • High dynamic range image (High-Dynamic Range, HDR for short, provides more dynamic range and image detail than normal images, depending on the exposure time of LDR (Low-Dynamic) Range) image, using the LDR image corresponding to the best detail for each exposure time to synthesize the final HDR image, which can better reflect the visual effect in the real environment.
  • LDR Low-Dynamic Range
  • the main purpose of the present invention is to provide a video playing method and device, which aims to solve the problem that the screen flicks when the video is switched and played in different formats, and the parameter values of the screen cannot be automatically adjusted in real time, and the user needs to manually The problem of adjusting the parameter values of the screen.
  • the present invention provides a video playing method, and the video playing method includes the following steps:
  • the first preset parameter is obtained in real time, and the first preset parameter is a parameter value of the screen corresponding to the high dynamic range image format video, where
  • the video played according to the television is in a different screen processing state, and the parameter value adjustment column of the corresponding screen is displayed on the display page of the television to enable the user to display the current video. Adjust the effect;
  • the present invention provides a video playing method, and the video playing method includes the following steps:
  • the first preset parameter is obtained in real time, and the first preset parameter is a parameter value of the screen corresponding to the high dynamic range image format video;
  • the present invention further provides a video playback device, the video playback device comprising:
  • a detecting module configured to detect a to-be-played video in the buffer area, and obtain an identifier of the to-be-played video
  • a first confirmation module configured to confirm, according to the identifier, whether the video format to be played is switched to a high dynamic range image format
  • a first acquiring module configured to acquire a first preset parameter in real time when the video format to be played is switched to a high dynamic range image, where the first preset parameter is a parameter of a screen corresponding to a high dynamic range image format video value;
  • the playing module is configured to adjust a parameter value of the video screen to be played according to the first preset parameter, and play the to-be-played video.
  • the video playing method and device of the present invention when detecting that the video format to be played changes, is in a parameter value adjustment column of the menu display screen, and plays the to-be-played video or automatically adapted according to the updated parameter. After the video format is switched, the parameter value of the screen is played, and the video to be played is played, and the step of the user to manually adjust the parameter value of the menu adjustment screen after the video format to be played is switched off is more convenient and intelligent.
  • FIG. 1 is a schematic flowchart of a first embodiment of a video playing method according to the present invention
  • FIG. 2 is a schematic flowchart of updating parameters in a first embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a second embodiment of a video playing method according to the present invention.
  • FIG. 4 is a schematic diagram showing the refinement process of determining the state of the screen in FIG. 3;
  • FIG. 5 is a schematic diagram showing a refinement process of determining a state of a picture according to pixel brightness in FIG. 4;
  • FIG. 6 is a schematic diagram of functional modules of a first embodiment of a video playback device according to the present invention.
  • FIG. 7 is a schematic diagram of functional modules for updating parameters in a first embodiment of the present invention.
  • FIG. 8 is a schematic diagram of functional modules of a second embodiment of a video playback device according to the present invention.
  • FIG. 9 is a schematic diagram of a refinement function module of the second confirmation module in FIG. 8;
  • FIG. 10 is a schematic diagram of a refinement function module of the confirmation unit in FIG. 9.
  • FIG. 10 is a schematic diagram of a refinement function module of the confirmation unit in FIG. 9.
  • FIG. 1 is a schematic flowchart of a first embodiment of a video playing method according to the present disclosure.
  • the video playing method includes the following steps:
  • Step S10 detecting a to-be-played video in the buffer area, and acquiring an identifier of the to-be-played video;
  • the program video content of the signal is buffered to the buffer area.
  • the identifier of the video to be played can be detected. If the identifier is 1, the video to be played is high. Dynamic range image (High-Dynamic Range, referred to as HDR).
  • the identifier of the video to be played may be obtained periodically, for example, the identifier of the to-be-played video is obtained every 10 seconds, and whether the video to be played is detected in the HDR format.
  • Step S20 confirm whether the video format to be played is switched to a high dynamic range image format
  • the format of the video to be played is HDR format
  • step S30 when the video format to be played is switched to the high dynamic range image, the first preset parameter is obtained in real time, and the first preset parameter is a parameter value of the screen corresponding to the high dynamic range image format video;
  • the parameter values corresponding to the preset screen of the HDR format video are acquired in real time, and the parameter values of the screen include brightness, contrast, backlight, and hue.
  • Step S40 adjusting parameter values of the video screen to be played according to the first preset parameter, and playing the video to be played.
  • the parameter value of the screen displayed by the television is adjusted according to the first preset parameter.
  • the user may adjust the parameter value of the screen, and the preset parameter is updated to the parameter value of the screen set by the user.
  • the video playing method further includes the steps of:
  • Step S50 detecting a parameter value of the current screen
  • the parameter values of the current picture are acquired, including brightness, contrast, backlight, and hue.
  • Step S60 When detecting that the parameter value of the current screen changes, acquiring a parameter value of the current screen;
  • the obtained parameter value of the current picture is compared with the previous parameter value of the picture.
  • the parameter value of the current picture is obtained, and the parameter value of the current picture is updated and saved. Is the first preset parameter.
  • Step S70 determining whether the parameter value of the current screen is consistent with the value of the first preset parameter
  • Step S80 When the parameter value of the current screen does not match the value of the first preset parameter, update the value of the first preset parameter to the parameter value of the current screen.
  • the first preset parameter may be dynamically updated according to the user's adjustment.
  • the first preset parameter is automatically acquired, the parameter value of the TV screen is adjusted, and the HDR is played more intelligently. Format video program.
  • the video playing method of the present embodiment automatically adapts the parameter value of the screen after the video format is switched, and plays the video to be played after the video format to be played is changed, eliminating the need to play the video format after switching.
  • the procedure of manually adjusting the parameter values of the menu adjustment screen is more convenient and intelligent.
  • the video playing method further includes the following steps:
  • Step S90 when the video format to be played is switched to a high dynamic range image, determining whether the current picture is a bright frame picture or a dark frame picture;
  • the video played according to the television is in a different screen processing state, and the parameter value adjustment column of the corresponding screen is displayed on the display page of the television, so that the user can conveniently view the current video. Display the effect to adjust.
  • step S90 includes:
  • Step S91 acquiring pixel brightness of the first frame picture and the last frame picture in the unit time of the video to be played;
  • the pixel brightness of the first frame picture and the last frame picture of the video to be played in a unit time is obtained, for example, the unit time is 10 seconds, and the corresponding one second is 60 frames, for a total of 600 pictures.
  • Step S92 determining whether the current picture is a bright frame picture or a dark frame picture according to the pixel brightness of the first frame picture and the last frame picture.
  • step S92 includes:
  • Step S92a counting the number of pixels in the first row of the first frame is greater than the first preset threshold
  • the number of pixels in the first row of the first frame of the first frame is greater than the first preset threshold, and the first preset threshold is three-quarters of the maximum brightness.
  • Step S92b counting the number of pixels in the first row of the last frame is greater than the first preset threshold
  • the number of pixels in which the pixel brightness of the first line of the last frame of the last frame is greater than the first preset threshold is obtained, for example, the first preset threshold is three quarters of the maximum brightness.
  • Step S92c when the number of pixels in the first row of the first frame is greater than the first preset threshold and the number of pixels in the first row of the last frame is greater than the first preset threshold, the number is greater than the second preset threshold.
  • the current picture is a bright frame picture
  • the number of pixels in the first row of the first frame is greater than the first preset threshold, and the number of pixels in the first row of the last frame is greater than the first preset threshold.
  • Step S92d counting the number of pixels in the first row of the first frame is less than the third preset threshold
  • the number of pixels in the first row of the first frame of the first frame is less than the third preset threshold, and the third preset threshold is a quarter of the maximum brightness.
  • the maximum brightness value is 255, such as the first line of the first frame
  • Step S92e counting the number of pixels in the first row of the last frame is less than the third preset threshold
  • step S92 when the number of pixels in the first row of the first frame is less than the third preset threshold and the number of pixels in the first row of the last frame is less than the third preset threshold, the number is greater than the second preset threshold.
  • the current picture is a dark frame picture.
  • the number of pixels in the first row of the first frame is less than the third preset threshold, and the number of pixels in the first row of the last frame is less than the third preset threshold.
  • Step S100 when the current picture is a bright frame picture, displaying a backlight and a brightness adjustment column in the TV menu;
  • step S110 when the current picture is a dark frame picture, the tone and contrast adjustment fields are displayed in the TV menu.
  • the video playing method of the present embodiment obtains the pixel brightness of a plurality of frame pictures in the unit time of the video to be played, confirms the processing state of the screen, and determines the adjustment column of the parameter value of the screen displayed in the menu bar according to the processing state of the screen, so that The user can more easily adjust the parameter values of the screen.
  • FIG. 6 is a schematic diagram of a function module of a video playback device according to a first embodiment of the present invention.
  • the video playback device includes:
  • the detecting module 10 is configured to detect a to-be-played video in the buffer area, and obtain an identifier of the to-be-played video;
  • the program video content of the signal is buffered to the buffer area.
  • the identifier of the video to be played can be detected. If the identifier is 1, the video to be played is high. Dynamic range image (High-Dynamic Range, referred to as HDR).
  • the identifier of the video to be played may be obtained periodically, for example, the identifier of the to-be-played video is obtained every 10 seconds, and whether the video to be played is detected in the HDR format.
  • a first confirmation module 20 configured to confirm, according to the identifier, whether the video format to be played is switched to a high dynamic range image format
  • the format of the video to be played is HDR format
  • the first obtaining module 30 is configured to acquire a first preset parameter in real time when the video format to be played is switched to a high dynamic range image, where the first preset parameter is a parameter value of a screen corresponding to the high dynamic range image format video;
  • the parameter values corresponding to the preset screen of the HDR format video are acquired in real time, and the parameter values of the screen include brightness, contrast, backlight, and hue.
  • the playing module 40 is configured to adjust a parameter value of the video screen to be played according to the first preset parameter, and play the video to be played.
  • the parameter value of the screen displayed by the television is adjusted according to the first preset parameter.
  • the user may adjust the parameter value of the screen, and the preset parameter is updated to the parameter value of the screen set by the user.
  • the video playback apparatus further includes:
  • the detecting module 50 is configured to detect a parameter value of the current screen
  • the parameter values of the picture of the current picture are acquired, including brightness, contrast, backlight, and hue.
  • the second obtaining module 60 is configured to acquire a parameter value of the current screen when detecting that the parameter value of the current screen changes;
  • the obtained parameter value of the picture of the current picture is compared with the parameter value of the previous picture, and when the parameter value of the picture changes, the parameter value of the current picture is obtained, and the picture of the current picture is The parameter value update is saved as the first preset parameter.
  • the determining module 70 is configured to determine whether the parameter value of the current screen is consistent with the value of the first preset parameter
  • the updating module 80 is configured to update the value of the first preset parameter to the parameter value of the current screen when the parameter value of the current screen does not match the value of the first preset parameter.
  • the first preset parameter may be dynamically updated according to the user's adjustment.
  • the first preset parameter is automatically acquired, the parameter value of the TV screen is adjusted, and the HDR is played more intelligently. Format video program.
  • the video playback device of the embodiment When detecting that the video format to be played changes, the video playback device of the embodiment automatically adapts the parameter value of the screen after the video format is switched, plays the video to be played, and saves the user after the video format to be played is switched.
  • the procedure of manually adjusting the parameter values of the menu adjustment screen is more convenient and intelligent.
  • the video playback device further includes:
  • the second confirmation module 90 is configured to determine, when the video format to be played is switched to a high dynamic range image, whether the current picture is a bright frame picture or a dark frame picture;
  • the video played according to the television is in a different screen processing state, and the parameter value adjustment column of the corresponding screen is displayed on the display page of the television, so that the user can conveniently view the current video. Display the effect to adjust.
  • the second confirmation module 90 includes:
  • the obtaining unit 91 is configured to acquire pixel brightness of the first frame picture and the last frame picture in the unit time of the video to be played;
  • the determining unit 92 is configured to determine, according to the pixel brightness of the first frame picture and the last frame picture, whether the current picture is a bright frame picture or a dark frame picture.
  • the determining unit 92 includes:
  • the first statistic sub-unit 92a is configured to count the number of pixels in the first row of the first frame that is greater than the first preset threshold, and to count the number of pixels in the first row of the last frame that is greater than the first preset threshold;
  • the number of pixels in the first row of the first frame of the first frame is greater than the first preset threshold, and the first preset threshold is three-quarters of the maximum brightness.
  • the maximum brightness value is 255, such as the first line of the first frame
  • the first determining sub-unit 92b is configured to: when the pixel brightness of the first row of the first frame is greater than the first preset threshold, and the pixel brightness of the first row of the last frame is greater than the first preset threshold, the number is greater than the first When the threshold is preset, the current picture is a bright frame picture;
  • the number of pixels in which the pixel brightness of the first line of the last frame of the last frame is greater than the first preset threshold is obtained, for example, the first preset threshold is three quarters of the maximum brightness.
  • the number of pixels in the first row of the first frame is greater than the first preset threshold, and the number of pixels in the first row of the last frame is greater than the first preset threshold.
  • the threshold is one-half of the total number of pixels in the first line, it is confirmed that the current picture is a bright frame picture.
  • the total number is 600 (the total number of pixels is 1024, 600 is greater than half).
  • the second statistic sub-unit 92c is configured to count the number of pixels in the first row of the first frame that is less than the third preset threshold, and the number of pixels in the first row of the last frame that is less than the third preset threshold;
  • the number of pixels in the first row of the first frame of the first frame is less than the third preset threshold, and the third preset threshold is a quarter of the maximum brightness.
  • the maximum brightness value is 255, such as the first line of the first frame
  • the second determining sub-unit 92d is configured to: when the pixel brightness of the first row of the first frame is less than the third preset threshold, and the pixel brightness of the first row of the last frame is less than the third preset threshold, the number is greater than the first When the threshold is preset, the current picture is a dark frame picture.
  • the number of pixels in the first row of the first frame is less than the third preset threshold, and the number of pixels in the first row of the last frame is less than the third preset threshold.
  • the threshold is one-half of the total number of pixels in the first line, it is confirmed that the current picture is a dark frame picture.
  • the total number is 600 (the total number of pixels is 1024, 600 is more than half).
  • the number of pixels in the first row of the first frame is less than the third preset threshold, and the number of pixels in the first row of the last frame is less than the third preset threshold.
  • the threshold is one-half of the total number of pixels in the first line, it is confirmed that the current picture is a dark frame picture.
  • the total number is 600 (the total number of pixels is 1024, 600 is more than half).
  • the display module 100 is configured to display a hue and contrast adjustment bar in the TV menu when the current picture is a bright frame picture, when the TV menu displays the backlight and the brightness adjustment bar, and when the current picture is a dark frame picture.
  • the video playing method of the present embodiment obtains the pixel brightness of a plurality of frame pictures in the unit time of the video to be played, confirms the processing state of the screen, and determines the adjustment column of the parameter value of the screen displayed in the menu bar according to the processing state of the screen, so that The user can more easily adjust the parameter values of the screen.
  • the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
  • Implementation Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods of various embodiments of the present invention.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Television Receiver Circuits (AREA)

Abstract

一种视频播放方法,所述视频播放方法包括步骤:侦测缓存区的待播放视频,获取所述待播放视频的标识符;根据所述标识符,确认所述待播放的视频格式是否切换为高动态范围图像格式;在所述待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,所述第一预设参数为高动态范围图像格式视频对应的画面的参数值;根据所述第一预设参数,调整待播放视频画面的参数值,并播放所述待播放视频。一种视频播放装置。在侦测到待播放视频的格式切换为高动态范围图像时,根据第一预设参数调整画面的参数值,进而播放所述待播放视频,省去了待播放视频格式切换后,用户手动调出菜单调节画面的参数值的步骤,更加方便智能。

Description

视频播放方法和装置
技术领域
本发明涉及电视机技术领域,尤其涉及一种视频播放方法和装置。
背景技术
高动态范围图像(High-Dynamic Range,简称HDR),相比普通的图像,可以提供更多的动态范围和图像细节,根据不同的曝光时间的LDR(Low-Dynamic Range)图像,利用每个曝光时间相对应最佳细节的LDR图像来合成最终HDR图像,能够更好的反映出真实环境中的视觉效果。
随着HDR技术的发展,智能电视可以提供更加清晰真实的图像,而非HDR格式的视频与HDR格式的视频,在相同的画面参数设定下会呈现出不同的显示效果,现有的智能电视在播放非HDR格式的视频和/或HDR格式的视频时,采用相同的画面的参数值,无法根据视频的格式动态的进行调整,在每次进行不同格式的视频切换播放时,会造成画面的闪动,画面的参数值无法实时自动调整,都需要用户手动调出菜单调节画面的参数值,不够智能。
发明内容
本发明的主要目的在于提供一种视频播放方法和装置,旨在解决在每次进行不同格式的视频切换播放时,会造成画面的闪动,画面的参数值无法实时自动调整,都需要用户手动调节画面的参数值的问题。
为实现上述目的,本发明提供一种视频播放方法,所述视频播放方法包括步骤:
侦测缓存区的待播放视频,获取所述待播放视频的标识符;
根据所述标识符,确认所述待播放的视频格式是否切换为高动态范围图像格式;
检测当前画面的参数值;
在检测到当前画面的参数值发生变化时,获取当前画面的参数值;
判断当前画面的参数值与所述第一预设参数的数值是否一致;
在当前画面的参数值与所述第一预设参数的数值不一致时,将所述第一预设参数的数值更新为当前画面的参数值;
在所述待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,所述第一预设参数为高动态范围图像格式视频对应的画面的参数值,其中,在所述待播放的视频格式切换为高动态范围图像时,根据电视播放的视频处于不同的画面处理状态,在所述电视的显示页面显示相应的画面的参数值调整栏,以使用户对当前视频的显示效果进行调节;
根据所述第一预设参数调整待播放视频画面的参数值,并播放所述待播放视频。
为实现上述目的,本发明提供一种视频播放方法,所述视频播放方法包括步骤:
侦测缓存区的待播放视频,获取所述待播放视频的标识符;
根据所述标识符,确认所述待播放的视频格式是否切换为高动态范围图像格式;
在所述待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,所述第一预设参数为高动态范围图像格式视频对应的画面的参数值;
根据所述第一预设参数调整待播放视频画面的参数值,并播放所述待播放视频。
本发明进一步提供一种视频播放装置,所述视频播放装置包括:
侦测模块,用于侦测缓存区的待播放视频,获取所述待播放视频的标识符;
第一确认模块,用于根据所述标识符,确认所述待播放的视频格式是否切换为高动态范围图像格式;
第一获取模块,用于在所述待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,所述第一预设参数为高动态范围图像格式视频对应的画面的参数值;
播放模块,用于根据所述第一预设参数调整待播放视频画面的参数值,并播放所述待播放视频。
本发明提出的视频播放方法和装置,在检测到待播放的视频格式发生变化时,在菜单显示画面的参数值调节栏,并根据所述更新后的参数播放所述待播放视频或自动适配视频格式切换后的画面的参数值,播放所述待播放视频,省去了待播放视频格式切换后,用户手动调出菜单调节画面的参数值的步骤,更加方便智能。
附图说明
图1为本发明视频播放方法第一实施例的流程示意图;
图2为本发明第一实施例中更新参数的流程示意图;
图3为本发明视频播放方法第二实施例的流程示意图;
图4为图3中确定画面状态的细化流程示意图;
图5为图4中根据像素亮度确定画面状态的细化流程示意图;
图6为本发明视频播放装置第一实施例的功能模块示意图;
图7为本发明第一实施例中更新参数的功能模块示意图;
图8为本发明视频播放装置第二实施例的功能模块示意图;
图9为图8中第二确认模块的细化功能模块示意图;
图10为图9中确认单元的细化功能模块示意图。
本发明目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
具体实施方式
应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
本发明提供一种视频播放方法,参照图1,图1为本发明视频播放方法的第一实施例的流程示意图,视频播放方法包括步骤:
步骤S10,侦测缓存区的待播放视频,获取待播放视频的标识符;
在本实施例中,在电视***检测到信号内容时,将信号的节目视频内容缓存到缓存区,此时,可以侦测待播放视频的标识符,如标识为1时,待播放视频为高动态范围图像(High-Dynamic Range,简称HDR)。在本实施例中,可以定时获取待播放视频的标识,如每10秒获取一次待播放视频的标识符,侦测待播放的视频是否为HDR格式。
步骤S20,根据标识符,确认待播放的视频格式是否切换为高动态范围图像格式;
在本实施例中,在标识符,如Video_Formate(x1)=1时,待播放视频的格式为HDR格式,在标识符,如Video_Formate(x2)=2时,待播放视频的格式为非HDR格式。
步骤S30,在待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,第一预设参数为高动态范围图像格式视频对应的画面的参数值;
在本实施例中,在待播放的视频格式为由非HDR格式切换为HDR格式时,实时获取HDR格式视频对应预设的画面的参数值,画面的参数值包括亮度、对比度、背光和色调。
步骤S40,根据第一预设参数调整待播放视频画面的参数值,并播放待播放视频。
在本实施例中,在获取到第一预设参数时,根据第一预设参数调整电视显示的画面的参数值。
进一步地,在待播放的视频切换为HDR格式时,用户可能调整画面的参数值,此时预设参数将更新为用户设置的画面的参数值。
参照图2,步骤S30之前,视频播放方法还包括步骤:
步骤S50,检测当前画面的参数值;
在本实施例中,获取当前画面的参数值,包括亮度、对比度、背光和色调。
步骤S60,在检测到当前画面的参数值发生变化时,获取当前画面的参数值;
在本实施例中,将获取到的当前画面的参数值与之前的画面得参数值进行对比,在画面的参数值出现变化时,获取当前的画面的参数值,将当前画面的参数值更新保存为第一预设参数。
步骤S70,判断当前画面的参数值与第一预设参数的数值是否一致;
步骤S80,在当前画面的参数值与第一预设参数的数值不一致时,将第一预设参数的数值更新为当前画面的参数值。
在本实施例中,第一预设参数可以根据用户的调整动态的更新,在用户播放HDR格式的视频时,自动获取第一预设参数,调整电视的画面的参数值,更加智能的播放HDR格式的视频节目。
本实施例提出的视频播放方法,在检测到待播放的视频格式发生变化时,自动适配视频格式切换后的画面的参数值,播放待播放视频,省去了待播放视频格式切换后,用户手动调出菜单调节画面的参数值的步骤,更加方便智能。
进一步地,基于本发明视频播放方法的第一实施例,提出本发明视频播放方法的第二实施例,参照图3,步骤S50之前,视频播放方法还包括步骤:
步骤S90,在待播放的视频格式切换为高动态范围图像时,确定当前画面是亮帧画面或是暗帧画面;
在本实施例中,在待播放的视频格式为HDR格式时,根据电视播放的视频处于不同的画面处理状态,在电视的显示页面显示相应的画面的参数值调整栏,方便用户对当前视频的显示效果进行调节。
参照图4,步骤S90包括:
步骤S91,获取待播放视频单位时间内第一帧画面和最后一帧画面的像素亮度;
在本实施例中,获取单位时间内待播放视频的第一帧画面和最后一帧画面的像素亮度,如单位时间为10秒,对应一秒为60帧画面,共计600个画面。
步骤S92,根据第一帧画面和最后一帧画面的像素亮度确定当前画面是亮帧画面或是暗帧画面。
参照图5,步骤S92包括:
步骤S92a,统计第一帧画面第一行像素亮度大于第一预设阈值的个数;
在本实施例中,统计获取到的第一帧画面第一行的像素亮度大于第一预设阈值的像素个数,如第一预设阈值为最大亮度的四分之三。
假设最大亮度值为255,如第一帧画面的第一行第1个像素亮度值大于最大亮度值的四分之三:Frame_line(x1)=200;如第一帧画面的第一行第600个像素亮度大于最大亮度四分之三的值:Frame_line(x600)=200。
步骤S92b,统计最后一帧画面第一行像素亮度大于第一预设阈值的个数;
在本实施例中,统计获取到的最后一帧画面第一行的像素亮度大于第一预设阈值的像素个数,如第一预设阈值为最大亮度的四分之三。
步骤S92c,在第一帧画面第一行像素亮度大于第一预设阈值的个数和最后一帧画面第一行像素亮度大于第一预设阈值的个数均大于第二预设阈值时,当前画面为亮帧画面;
在本实施例中,在第一帧画面第一行像素亮度大于第一预设阈值的个数和最后一帧画面第一行像素亮度大于第一预设阈值的个数均大于第二预设阈值如第一行像素总个数的二分之一时,确认当前画面为亮帧画面。如统计第一个像素点到第六百个像素点的像素亮度大于3/4*255(最大像素亮度)=191的总计个数为600时(总计像素个数为1024,600大于一半),
First_Frame(x)=1,当前画面判定为亮帧画面。
步骤S92d,统计第一帧画面第一行像素亮度小于第三预设阈值的个数;
在本实施例中,统计获取到的第一帧画面第一行的像素亮度小于第三预设阈值的像素个数,如第三预设阈值为最大亮度的四分之一。
假设最大亮度值为255,如第一帧画面的第一行第1个像素亮度值小于最大亮度值的四分之一:Frame_line(x1)=63;如第一帧画面的第一行第600个像素亮度大于最大亮度四分之一的值:Frame_line(x600)=63。
步骤S92e,统计最后一帧画面第一行像素亮度小于第三预设阈值的个数;
步骤S92f,在第一帧画面第一行像素亮度小于第三预设阈值的个数和最后一帧画面第一行像素亮度小于第三预设阈值的个数均大于第二预设阈值时,当前画面为暗帧画面。
在本实施例中,在第一帧画面第一行像素亮度小于第三预设阈值的个数和最后一帧画面第一行像素亮度小于第三预设阈值的个数均大于第二预设阈值如第一行像素总个数的二分之一时,确认当前画面为暗帧画面。如统计第一个像素点到第六百个像素点的像素亮度小于1/4*255(最大像素亮度)=63的总计个数为600时(总计像素个数为1024,600大于一半),
First_Frame(x)=1,当前画面判定为暗帧画面。
步骤S100在当前画面是亮帧画面时,在电视菜单显示背光和亮度调节栏;
步骤S110在当前画面是暗帧画面时,在电视菜单显示色调和对比度调节栏。
本实施例提出的视频播放方法,获取待播放视频单位时间内若干帧画面的像素亮度,确认画面的处理状态,根据画面的处理状态,确定在菜单栏显示的画面的参数值的调节栏,使用户可以更加方便的进行画面的参数值的调整。
本发明进一步提供一种视频播放装置,参照图6,图6为本发明视频播放装置第一实施例的功能模块示意图,视频播放装置包括:
侦测模块10,用于侦测缓存区的待播放视频,获取待播放视频的标识符;
在本实施例中,在电视***检测到信号内容时,将信号的节目视频内容缓存到缓存区,此时,可以侦测待播放视频的标识符,如标识为1时,待播放视频为高动态范围图像(High-Dynamic Range,简称HDR)。在本实施例中,可以定时获取待播放视频的标识,如每10秒获取一次待播放视频的标识符,侦测待播放的视频是否为HDR格式。
第一确认模块20,用于根据标识符,确认待播放的视频格式是否切换为高动态范围图像格式;
在本实施例中,在标识符,如Video_Formate(x1)=1时,待播放视频的格式为HDR格式,在标识符,如Video_Formate(x2)=2时,待播放视频的格式为非HDR格式。
第一获取模块30,用于在待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,第一预设参数为高动态范围图像格式视频对应的画面的参数值;
在本实施例中,在待播放的视频格式为由非HDR格式切换为HDR格式时,实时获取HDR格式视频对应预设的画面的参数值,画面的参数值包括亮度、对比度、背光和色调。
播放模块40,用于根据第一预设参数调整待播放视频画面的参数值,并播放待播放视频。
在本实施例中,在获取到第一预设参数时,根据第一预设参数调整电视显示的画面的参数值。
进一步地,在待播放的视频切换为HDR格式时,用户可能调整画面的参数值,此时预设参数将更新为用户设置的画面的参数值。
参照图7,视频播放装置还包括:
检测模块50,用于检测当前画面的参数值;
在本实施例中,获取当前画面的画面的参数值,包括亮度、对比度、背光和色调。
第二获取模块60,用于在检测到当前画面的参数值发生变化时,获取当前画面的参数值;
在本实施例中,将获取到的当前画面的画面的参数值与之前的画面的参数值进行对比,在画面的参数值出现变化时,获取当前的画面的参数值,将当前画面的画面的参数值更新保存为第一预设参数。
判断模块70,用于判断当前画面的参数值与第一预设参数的数值是否一致;
更新模块80,用于在当前画面的参数值与第一预设参数的数值不一致时,将第一预设参数的数值更新为当前画面的参数值。
在本实施例中,第一预设参数可以根据用户的调整动态的更新,在用户播放HDR格式的视频时,自动获取第一预设参数,调整电视的画面的参数值,更加智能的播放HDR格式的视频节目。
本实施例提出的视频播放装置,在检测到待播放的视频格式发生变化时,自动适配视频格式切换后的画面的参数值,播放待播放视频,省去了待播放视频格式切换后,用户手动调出菜单调节画面的参数值的步骤,更加方便智能。
进一步地,基于本发明视频播放装置的第一实施例,提出本发明视频播放装置的第二实施例,参照图8,视频播放装置还包括:
第二确认模块90,用于在待播放的视频格式切换为高动态范围图像时,确定当前画面是亮帧画面或是暗帧画面;
在本实施例中,在待播放的视频格式为HDR格式时,根据电视播放的视频处于不同的画面处理状态,在电视的显示页面显示相应的画面的参数值调整栏,方便用户对当前视频的显示效果进行调节。
参照图9,第二确认模块90包括:
获取单元91,用于获取待播放视频单位时间内第一帧画面和最后一帧画面的像素亮度;
确定单元92,用于根据第一帧画面和最后一帧画面的像素亮度确定当前画面是亮帧画面或是暗帧画面。
参照图10,确定单元92包括:
第一统计子单元92a,统计第一帧画面第一行像素亮度大于第一预设阈值的个数以及统计最后一帧画面第一行像素亮度大于第一预设阈值的个数;
在本实施例中,统计获取到的第一帧画面第一行的像素亮度大于第一预设阈值的像素个数,如第一预设阈值为最大亮度的四分之三。假设最大亮度值为255,如第一帧画面的第一行第1个像素亮度值大于最大亮度值的四分之三:Frame_line(x1)=200;如第一帧画面的第一行第600个像素亮度大于最大亮度四分之三的值:Frame_line(x600)=200。
第一确定子单元92b,用于在第一帧画面第一行像素亮度大于第一预设阈值的个数和最后一帧画面第一行像素亮度大于第一预设阈值的个数均大于第二预设阈值时,当前画面为亮帧画面;
在本实施例中,统计获取到的最后一帧画面第一行的像素亮度大于第一预设阈值的像素个数,如第一预设阈值为最大亮度的四分之三。
在本实施例中,在第一帧画面第一行像素亮度大于第一预设阈值的个数和最后一帧画面第一行像素亮度大于第一预设阈值的个数均大于第二预设阈值如第一行像素总个数的二分之一时,确认当前画面为亮帧画面。
如统计第一个像素点到第六百个像素点的像素亮度大于3/4*255(最大像素亮度)=191的总计个数为600时(总计像素个数为1024,600大于一半),
First_Frame(x)=1,当前画面判定为亮帧画面。
第二统计子单元92c,用于统计第一帧画面第一行像素亮度小于第三预设阈值的个数以及统计最后一帧画面第一行像素亮度小于第三预设阈值的个数;
在本实施例中,统计获取到的第一帧画面第一行的像素亮度小于第三预设阈值的像素个数,如第三预设阈值为最大亮度的四分之一。假设最大亮度值为255,如第一帧画面的第一行第1个像素亮度值小于最大亮度值的四分之一:Frame_line(x1)=63;如第一帧画面的第一行第600个像素亮度大于最大亮度四分之一的值:Frame_line(x600)=63。
第二确定子单元92d,用于在第一帧画面第一行像素亮度小于第三预设阈值的个数和最后一帧画面第一行像素亮度小于第三预设阈值的个数均大于第二预设阈值时,当前画面为暗帧画面。
在本实施例中,在第一帧画面第一行像素亮度小于第三预设阈值的个数和最后一帧画面第一行像素亮度小于第三预设阈值的个数均大于第二预设阈值如第一行像素总个数的二分之一时,确认当前画面为暗帧画面。
如统计第一个像素点到第六百个像素点的像素亮度小于1/4*255(最大像素亮度)=63的总计个数为600时(总计像素个数为1024,600大于一半),
First_Frame(x)=1,当前画面判定为暗帧画面。
在本实施例中,在第一帧画面第一行像素亮度小于第三预设阈值的个数和最后一帧画面第一行像素亮度小于第三预设阈值的个数均大于第二预设阈值如第一行像素总个数的二分之一时,确认当前画面为暗帧画面。
如统计第一个像素点到第六百个像素点的像素亮度小于1/4*255(最大像素亮度)=63的总计个数为600时(总计像素个数为1024,600大于一半),
First_Frame(x)=1,当前画面判定为暗帧画面。
显示模块100,用于在当前画面是亮帧画面时,在电视菜单显示背光和亮度调节栏以及在当前画面是暗帧画面时,在电视菜单显示色调和对比度调节栏。
本实施例提出的视频播放方法,获取待播放视频单位时间内若干帧画面的像素亮度,确认画面的处理状态,根据画面的处理状态,确定在菜单栏显示的画面的参数值的调节栏,使用户可以更加方便的进行画面的参数值的调整。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端设备(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本发明各个实施例的方法。
以上仅为本发明的优选实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (16)

  1. 一种视频播放方法,其特征在于,所述视频播放方法包括步骤:
    侦测缓存区的待播放视频,获取所述待播放视频的标识符;
    根据所述标识符,确认所述待播放的视频格式是否切换为高动态范围图像格式;
    检测当前画面的参数值;
    在检测到当前画面的参数值发生变化时,获取当前画面的参数值;
    判断当前画面的参数值与所述第一预设参数的数值是否一致;
    在当前画面的参数值与所述第一预设参数的数值不一致时,将所述第一预设参数的数值更新为当前画面的参数值;
    在所述待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,所述第一预设参数为高动态范围图像格式视频对应的画面的参数值,其中,在所述待播放的视频格式切换为高动态范围图像时,根据电视播放的视频处于不同的画面处理状态,在所述电视的显示页面显示相应的画面的参数值调整栏,以使用户对当前视频的显示效果进行调节;
    根据所述第一预设参数调整待播放视频画面的参数值,并播放所述待播放视频。
  2. 如权利要求1所述的视频播放方法,其特征在于,在所述待播放的视频格式切换为高动态范围图像时,根据电视播放的视频处于不同的画面处理状态,在所述电视的显示页面显示相应的画面的参数值调整栏,以使用户对当前视频的显示效果进行调节的步骤包括:
    在所述待播放的视频格式切换为高动态范围图像时,确定当前画面是亮帧画面或是暗帧画面;
    在当前画面是亮帧画面时,在电视菜单显示背光和亮度调节栏;
    在当前画面是暗帧画面时,在电视菜单显示色调和对比度调节栏。
  3. 如权利要求2所述的视频播放方法,其特征在于,所述在所述待播放的视频格式切换为高动态范围图像时,确定当前画面是亮帧画面或是暗帧画面的步骤包括:
    获取所述待播放视频单位时间内第一帧画面和最后一帧画面的像素亮度;
    根据所述第一帧画面和最后一帧画面的像素亮度确定当前画面是亮帧画面或是暗帧画面。
  4. 如权利要求3所述的视频播放方法,其特征在于,所述根据所述第一帧画面和最后一帧画面的像素亮度确定当前画面是亮帧画面或是暗帧画面的步骤包括:
    统计所述第一帧画面第一行像素亮度大于第一预设阈值的个数;
    统计所述最后一帧画面第一行像素亮度大于第一预设阈值的个数;
    在所述第一帧画面第一行像素亮度大于第一预设阈值的个数和最后一帧画面第一行像素亮度大于第一预设阈值的个数均大于第二预设阈值时,当前画面为亮帧画面;
    统计所述第一帧画面第一行像素亮度小于第三预设阈值的个数;
    统计所述最后一帧画面第一行像素亮度小于第三预设阈值的个数;
    在所述第一帧画面第一行像素亮度小于第三预设阈值的个数和最后一帧画面第一行像素亮度小于第三预设阈值的个数均大于第二预设阈值时,当前画面为暗帧画面。
  5. 一种视频播放方法,其特征在于,所述视频播放方法包括步骤:
    侦测缓存区的待播放视频,获取所述待播放视频的标识符;
    根据所述标识符,确认所述待播放的视频格式是否切换为高动态范围图像格式;
    在所述待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,所述第一预设参数为高动态范围图像格式视频对应的画面的参数值;
    根据所述第一预设参数调整待播放视频画面的参数值,并播放所述待播放视频。
  6. 如权利要求5所述的视频播放方法,其特征在于,所述实时获取第一预设参数的步骤之前,所述视频播放方法还包括步骤:
    检测当前画面的参数值;
    在检测到当前画面的参数值发生变化时,获取当前画面的参数值;
    判断当前画面的参数值与所述第一预设参数的数值是否一致;
    在当前画面的参数值与所述第一预设参数的数值不一致时,将所述第一预设参数的数值更新为当前画面的参数值。
  7. 如权利要求6所述的视频播放方法,其特征在于,所述检测当前画面的参数值的步骤之前,所述视频播放方法还包括步骤:
    在所述待播放的视频格式切换为高动态范围图像时,确定当前画面是亮帧画面或是暗帧画面;
    在当前画面是亮帧画面时,在电视菜单显示背光和亮度调节栏;
    在当前画面是暗帧画面时,在电视菜单显示色调和对比度调节栏。
  8. 如权利要求7所述的视频播放方法,其特征在于,所述在所述待播放的视频格式切换为高动态范围图像时,确定当前画面是亮帧画面或是暗帧画面的步骤包括:
    获取所述待播放视频单位时间内第一帧画面和最后一帧画面的像素亮度;
    根据所述第一帧画面和最后一帧画面的像素亮度确定当前画面是亮帧画面或是暗帧画面。
  9. 如权利要求8所述的视频播放方法,其特征在于,所述根据所述第一帧画面和最后一帧画面的像素亮度确定当前画面是亮帧画面或是暗帧画面的步骤包括:
    统计所述第一帧画面第一行像素亮度大于第一预设阈值的个数;
    统计所述最后一帧画面第一行像素亮度大于第一预设阈值的个数;
    在所述第一帧画面第一行像素亮度大于第一预设阈值的个数和最后一帧画面第一行像素亮度大于第一预设阈值的个数均大于第二预设阈值时,当前画面为亮帧画面;
    统计所述第一帧画面第一行像素亮度小于第三预设阈值的个数;
    统计所述最后一帧画面第一行像素亮度小于第三预设阈值的个数;
    在所述第一帧画面第一行像素亮度小于第三预设阈值的个数和最后一帧画面第一行像素亮度小于第三预设阈值的个数均大于第二预设阈值时,当前画面为暗帧画面。
  10. 如权利要求5所述的视频播放方法,其特征在于,在所述待播放的视频格式切换为高动态范围图像时,根据电视播放的视频处于不同的画面处理状态,在所述电视的显示页面显示相应的画面的参数值调整栏,以使用户对当前视频的显示效果进行调节。
  11. 一种视频播放装置,其特征在于,所述视频播放装置包括:
    侦测模块,用于侦测缓存区的待播放视频,获取所述待播放视频的标识符;
    第一确认模块,用于根据所述标识符,确认所述待播放的视频格式是否切换为高动态范围图像格式;
    第一获取模块,用于在所述待播放的视频格式切换为高动态范围图像时,实时获取第一预设参数,所述第一预设参数为高动态范围图像格式视频对应的画面的参数值;
    播放模块,用于根据所述第一预设参数调整待播放视频画面的参数值,并播放所述待播放视频。
  12. 如权利要求11所述的视频播放装置,其特征在于,所述视频播放装置还包括:
    检测模块,用于检测当前画面的参数值;
    第二获取模块,用于在检测到当前画面的参数值发生变化时,获取当前画面的参数值;
    判断模块,用于判断当前画面的参数值与所述第一预设参数的数值是否一致;
    更新模块,用于在当前画面的参数值与所述第一预设参数的数值不一致时,将所述第一预设参数的数值更新为当前画面的参数值。
  13. 如权利要求12所述的视频播放装置,其特征在于,所述视频播放装置还包括:
    第二确认模块,用于在所述待播放的视频格式切换为高动态范围图像时,确定当前画面是亮帧画面或是暗帧画面;
    显示模块,用于在当前画面是亮帧画面时,在电视菜单显示背光和亮度调节栏以及在当前画面是暗帧画面时,在电视菜单显示色调和对比度调节栏。
  14. 如权利要求13所述的视频播放装置,其特征在于,所述第二确认模块包括:
    获取单元,用于获取所述待播放视频单位时间内第一帧画面和最后一帧画面的像素亮度;
    确定单元,用于根据所述第一帧画面和最后一帧画面的像素亮度确定当前画面是亮帧画面或是暗帧画面。
  15. 如权利要求14所述的视频播放装置,其特征在于,所述确定单元包括:
    第一统计子单元,统计所述第一帧画面第一行像素亮度大于第一预设阈值的个数以及统计所述最后一帧画面第一行像素亮度大于第一预设阈值的个数;
    第一确定子单元,用于在所述第一帧画面第一行像素亮度大于第一预设阈值的个数和最后一帧画面第一行像素亮度大于第一预设阈值的个数均大于第二预设阈值时,当前画面为亮帧画面;
    第二统计子单元,用于统计所述第一帧画面第一行像素亮度小于第三预设阈值的个数以及统计所述最后一帧画面第一行像素亮度小于第三预设阈值的个数;
    第二确定子单元,用于在所述第一帧画面第一行像素亮度小于第三预设阈值的个数和最后一帧画面第一行像素亮度小于第三预设阈值的个数均大于第二预设阈值时,当前画面为暗帧画面。
  16. 如权利要求11所述的视频播放装置,其特征在于,所述视频播放装置还包括:
    显示模块,用于在待播放的视频格式为HDR格式时,根据电视播放的视频处于不同的画面处理状态,在所述电视的显示页面显示相应的画面的参数值调整栏。
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