WO2019119854A1 - Method and system for adjusting video playing definition - Google Patents

Method and system for adjusting video playing definition Download PDF

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Publication number
WO2019119854A1
WO2019119854A1 PCT/CN2018/102611 CN2018102611W WO2019119854A1 WO 2019119854 A1 WO2019119854 A1 WO 2019119854A1 CN 2018102611 W CN2018102611 W CN 2018102611W WO 2019119854 A1 WO2019119854 A1 WO 2019119854A1
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WO
WIPO (PCT)
Prior art keywords
video
top box
display device
resolution
set top
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PCT/CN2018/102611
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French (fr)
Chinese (zh)
Inventor
姜超
祝振东
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烽火通信科技股份有限公司
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Publication of WO2019119854A1 publication Critical patent/WO2019119854A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, 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
    • 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
    • H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
    • 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
    • H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
    • 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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • 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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4516—Management of client data or end-user data involving client characteristics, e.g. Set-Top-Box type, software version or amount of memory available
    • 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

Definitions

  • the invention belongs to the field of data processing, and in particular relates to a method and system for adjusting the clarity of video playback.
  • the user's home environment is diverse, affecting the user's viewing of the streaming video experience related to the home environment including: network bandwidth, display devices, Internet access. among them,
  • the network bandwidth is reflected in the different services of the operator's network or affected by the housing construction wiring, resulting in 4M, 8M, 20M, 100M, 1000M and so on.
  • the device is connected to the Internet in different ways.
  • the user connects the device through a wired connection, and some users connect the device wirelessly.
  • Some users only have 4M bandwidth at home. When playing 4K resolution streaming media, it will inevitably appear to be stuck, which will affect the user experience.
  • Some users have 1000M bandwidth at home, and the TV output is 4K. It should be able to play high-definition streaming media, but play standard-definition streaming media, which will bring users the problem of blurred video.
  • the purpose of the embodiments of the present invention is to provide a method and system for adjusting the clarity of video playback, so as to solve the problem that the prior art cannot adjust the video definition according to the user's use environment when playing video through the set top box.
  • the embodiment of the present invention is implemented by the method for adjusting the clarity of video playback, and the method includes:
  • the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video, and the video is adjusted according to the result of the comparison.
  • Another object of the embodiments of the present invention is to provide a system for adjusting the clarity of video playback, the system comprising:
  • An obtaining unit configured to acquire a play attribute of a video being played, a play attribute of the set top box, a play attribute of the display device, and a network bandwidth;
  • the adjusting unit is configured to compare the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attribute of the video, and adjust the video according to the result of the comparison.
  • the play attribute of the video being played, the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are obtained, and the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video. According to the result of the comparison, the video is adjusted, so that the set top box can comprehensively adjust the playback clarity of the video according to the user's use environment, and provide the user with the best video viewing experience allowed by the environment.
  • FIG. 1 is a flowchart of a method for adjusting video playback clarity according to an exemplary embodiment of the present invention
  • FIG. 2 is a structural diagram of a system for adjusting the definition of video playback according to an exemplary embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for adjusting video playback clarity according to an exemplary embodiment of the present invention, where the method includes the following steps:
  • Step S101 Acquire a play attribute of the video being played, a play attribute of the set top box, a play attribute of the display device, and a network bandwidth.
  • the set top box for adjusting the clarity of the video playback acquires the playing attribute of the video being played, the playing attribute of the set top box, the playing attribute of the display device, and the network bandwidth.
  • the play attributes of the video include, but are not limited to, the code rate of the video and the resolution of the video.
  • the play attributes of the set top box include but are not limited to: the current output resolution of the set top box, the maximum output resolution of the set top box, and the play attributes of the display device include But not limited to: the maximum output resolution of the display device, the network bandwidth is the speed of the network the user is using.
  • the obtaining the play attribute of the display device includes: acquiring the extended display identification data EDID of the display device by using a direct digital control DDC channel of the HDMI, and acquiring the play attribute of the display device according to the EDID.
  • the network bandwidth can be obtained by measuring the measurement software.
  • the playback properties of the video can be obtained by analyzing the video after analysis.
  • the playback properties of the set-top box are stored locally in the set-top box, and the set-top box can directly obtain local information.
  • Step S102 Compare the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attribute of the video, and adjust the video according to the result of the comparison.
  • the effect of the video playback effect is usually the relationship between the code rate of the video and the network bandwidth, and the relationship between the resolution of the video and the resolution of the terminal and the resolution of the display device, and the playback is performed according to the above relationship.
  • the video is adjusted.
  • the resolution of the video Compare the resolution of the video with the playback properties of the terminal and the playback properties of the display device. If the resolution of the video is higher than the playback properties of the set-top box, the resolution of the video, the current output resolution of the set-top box, and the maximum output of the set-top box. Resolution, the maximum output resolution of the display device, if the current output resolution of the set top box is lower than the resolution of the video and lower than the maximum output resolution of the set top box, then increase the output resolution of the set top box to The output resolution of the set top box is matched to the resolution of the video.
  • the factors that affect playback clarity are mainly the network bandwidth and the bit rate of the video.
  • the network bandwidth is greater than the video bit rate, the video can be played smoothly.
  • the download speed can be calculated by monitoring the size of the video file download per unit time, thereby knowing the network bandwidth for playing the video. At the same time, the bit rate of playing the video is analyzed.
  • the network bandwidth can support the maximum code rate.
  • some auxiliary methods can also be used to judge the relationship between bandwidth and video fluency. For example, the method of recording the number of times the video is played in a unit time, the size of the video buffer area, and the like can be used to understand the smoothness of playing the current video. Judging the connection type of the device, when the wifi is connected, the bandwidth will change in real time due to factors such as interference signals. In this case, the card can prompt the user to replace the wired connection more stably.
  • This assisted method can assist in determining the bandwidth and video fluency to some extent, and these methods are also intended to fall within the scope of the present invention.
  • the currently played video has a resolution of 1080P, but the output resolution is only 480P, so that the content in the video cannot be displayed point-to-point, which reduces the situation that the output pixel will cause the video to be blurred.
  • the play attribute of the video being played, the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are obtained, and the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video. According to the result of the comparison, the video is adjusted, so that the set top box can comprehensively adjust the playback clarity of the video according to the user's use environment, and provide the user with the best video viewing experience allowed by the environment.
  • the method before the step of adjusting the video according to the result of the comparison, the method further includes:
  • a video adjustment option is displayed on the display device to enable the user to select whether to adjust the video sharpness according to the video adjustment option.
  • the set top box when the video definition needs to be adjusted, the set top box does not adjust the video by default, but displays the adjustment option on the display device, and the user can adjust the video to determine whether to adjust the video. And what kind of sharpness is adjusted.
  • FIG. 2 is a structural diagram of a system for adjusting video playback resolution according to an exemplary embodiment of the present invention, where the system includes:
  • the obtaining unit 201 is configured to acquire a play attribute of the video being played, a play attribute of the set top box, a play attribute of the display device, and a network bandwidth.
  • the set top box for adjusting the clarity of the video playback acquires the playing attribute of the video being played, the playing attribute of the set top box, the playing attribute of the display device, and the network bandwidth.
  • the play attributes of the video include, but are not limited to, the code rate of the video and the resolution of the video.
  • the play attributes of the set top box include but are not limited to: the current output resolution of the set top box, the maximum output resolution of the set top box, and the play attributes of the display device include But not limited to: the maximum output resolution of the display device, the network bandwidth is the speed of the network the user is using.
  • the obtaining the play attribute of the display device includes: acquiring the extended display identification data EDID of the display device through the direct digital control DDC channel of the HDMI, and acquiring the play attribute of the display device according to the extended display identification data EDID.
  • the network bandwidth can be obtained by measuring the measurement software.
  • the playback properties of the video can be obtained by analyzing the video after analysis.
  • the playback properties of the set-top box are stored locally in the set-top box, and the set-top box can directly obtain local information.
  • the adjusting unit 202 is configured to compare the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attribute of the video, and adjust the video according to the result of the comparison.
  • the effect of the video playback effect is usually the relationship between the code rate of the video and the network bandwidth, and the relationship between the resolution of the video and the resolution of the terminal and the resolution of the display device, and the playback is performed according to the above relationship.
  • the video is adjusted.
  • the resolution of the video Compare the resolution of the video with the playback properties of the terminal and the playback properties of the display device. If the resolution of the video is higher than the playback properties of the set-top box, the resolution of the video, the current output resolution of the set-top box, and the maximum output of the set-top box. Resolution, the maximum output resolution of the display device, if the current output resolution of the set top box is lower than the resolution of the video and lower than the maximum output resolution of the set top box, then increase the output resolution of the set top box to The output resolution of the set top box is matched to the resolution of the video.
  • the factors that affect playback clarity are mainly the network bandwidth and the bit rate of the video.
  • the network bandwidth is greater than the video bit rate, the video can be played smoothly.
  • the download speed can be calculated by monitoring the size of the video file download per unit time, thereby knowing the network bandwidth for playing the video. At the same time, the bit rate of playing the video is analyzed.
  • the network bandwidth can support the maximum code rate.
  • some auxiliary methods can also be used to judge the relationship between bandwidth and video fluency. For example, the method of recording the number of times the video is played in a unit time, the size of the video buffer area, and the like can be used to understand the smoothness of playing the current video. Judging the connection type of the device, when the wifi is connected, the bandwidth will change in real time due to factors such as interference signals. In this case, the card can prompt the user to replace the wired connection more stably.
  • This assisted method can assist in determining the bandwidth and video fluency to a certain extent, and these methods are also intended to fall within the scope of the present invention.
  • the currently played video has a resolution of 1080P, but the output resolution is only 480P, so that the content in the video cannot be displayed point-to-point, which reduces the situation that the output pixel will cause the video to be blurred.
  • the play attribute of the video being played, the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are obtained, and the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video. According to the result of the comparison, the video is adjusted, so that the set top box can comprehensively adjust the playback clarity of the video according to the user's use environment, and provide the user with the best video viewing experience allowed by the environment.
  • system further includes:
  • a video adjustment option display unit is configured to display a video adjustment option on the display device to enable the user to select whether to adjust the video sharpness according to the video adjustment option.
  • the set top box when the video definition needs to be adjusted, the set top box does not adjust the video by default, but displays the adjustment option on the display device, and the user can adjust the video to determine whether to adjust the video. And what kind of sharpness is adjusted.
  • each unit included in the foregoing embodiment is only divided according to functional logic, but is not limited to the above division, as long as the corresponding function can be implemented; in addition, the specific name of each functional unit It is also for convenience of distinguishing from each other and is not intended to limit the scope of protection of the present invention.

Abstract

The invention is applicable to the field of data processing, and a method and system for adjusting video playing definition are provided. The method comprises: obtaining playing attributes of a currently played video, playing attributes of a set top box, playing attributes of a display device, and a network bandwidth; comparing the playing attributes of the set top box, the playing attributes of the display device and the network bandwidth with the playing attributes of the video respectively, and adjusting the video according to a comparison result. By implementation of the method and system provided by the embodiment of the invention, the set top box can comprehensively adjust the playing definition of the video according to a use environment of a user so as to provide environment, providing best video viewing experience for the user as the environment allowed.

Description

一种调整视频播放清晰度的方法和系统Method and system for adjusting video playback clarity 技术领域Technical field
本发明属于数据处理领域，尤其涉及一种调整视频播放清晰度的方法和系统。The invention belongs to the field of data processing, and in particular relates to a method and system for adjusting the clarity of video playback.
背景技术Background technique
随着运营商宽带提速和视频业务的发展，用户观看网络视频的需求日益上升。视频清晰度和播放流畅度是影响用户体验的关键因素。为了满足不同用户的需求，在流媒体平台上，同一个片源往往存在不同清晰度。例如：标清、高清(720P)、全高清(1080P)或者超高清(4K)等等。With the development of carrier broadband speed and video services, the demand for users to watch online video is increasing. Video clarity and playback fluency are key factors influencing the user experience. In order to meet the needs of different users, on the streaming media platform, the same film source often has different definitions. For example: standard definition, high definition (720P), full HD (1080P) or ultra high definition (4K) and so on.
用户家庭环境多种多样，影响到用户观看流媒体视频体验相关的家庭环境包括：网络带宽、显示设备、上网方式。其中，The user's home environment is diverse, affecting the user's viewing of the streaming video experience related to the home environment including: network bandwidth, display devices, Internet access. among them,
网络带宽体现在办理运营商网络业务不同或者受住房建设布线影响导致用户带宽有4M，8M，20M，100M，1000M等等。The network bandwidth is reflected in the different services of the operator's network or affected by the housing construction wiring, resulting in 4M, 8M, 20M, 100M, 1000M and so on.
显示设备不同，体现在用户家里电视机输出的最大或最佳分辨率不同，有标清、高清、4K等。Different display devices are reflected in the maximum or optimal resolution of the TV output of the user's home. There are standard definition, high definition, 4K, etc.
设备上网的方式不同，例如用户将设备通过有线连接，有的用户将设备通过无线连接。有的用户家里只有4M带宽，在播放4K清晰度的流媒体时，必然会出现卡顿现象，从而影响用户体验。有的用户家里有1000M带宽，电视机输出为4K，本应该可以播放高清晰度流媒体，却播放标清的流媒体，这样会给用户带来视频模糊不清的问题。The device is connected to the Internet in different ways. For example, the user connects the device through a wired connection, and some users connect the device wirelessly. Some users only have 4M bandwidth at home. When playing 4K resolution streaming media, it will inevitably appear to be stuck, which will affect the user experience. Some users have 1000M bandwidth at home, and the TV output is 4K. It should be able to play high-definition streaming media, but play standard-definition streaming media, which will bring users the problem of blurred video.
如何根据用户家庭环境调整视频流畅度和清晰度，满足最好的用户体验，是目前迫切需要解决的问题。How to adjust the video fluency and clarity according to the user's home environment to meet the best user experience is an urgent problem to be solved.
发明内容Summary of the invention
本发明实施例的目的在于提供一种调整视频播放清晰度的方法和系统，以解决现有技术通过机顶盒播放视频时无法根据用户的使用环境调整视频清晰度的问题。The purpose of the embodiments of the present invention is to provide a method and system for adjusting the clarity of video playback, so as to solve the problem that the prior art cannot adjust the video definition according to the user's use environment when playing video through the set top box.
本发明实施例是这样实现的，一种调整视频播放清晰度的方法，所述方法包括：The embodiment of the present invention is implemented by the method for adjusting the clarity of video playback, and the method includes:
获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽；Get the playback properties of the video being played, the playback properties of the set-top box, the playback properties of the display device, and the network bandwidth;
将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整。The play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video, and the video is adjusted according to the result of the comparison.
本发明实施例的另一目的在于提供一种调整视频播放清晰度的系统，所述系统包括：Another object of the embodiments of the present invention is to provide a system for adjusting the clarity of video playback, the system comprising:
获取单元，用于获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽；An obtaining unit, configured to acquire a play attribute of a video being played, a play attribute of the set top box, a play attribute of the display device, and a network bandwidth;
调整单元，用于将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整。The adjusting unit is configured to compare the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attribute of the video, and adjust the video according to the result of the comparison.
本发明实施例，获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽，将机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据比较的结果对视频进行调整，使得机顶盒可以根据用户的使用环境综合调整视频的播放清晰度，为用户提供环境允许的最好的视频观看体验。In the embodiment of the present invention, the play attribute of the video being played, the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are obtained, and the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video. According to the result of the comparison, the video is adjusted, so that the set top box can comprehensively adjust the playback clarity of the video according to the user's use environment, and provide the user with the best video viewing experience allowed by the environment.
附图说明DRAWINGS
图1为本发明一示例性实施例示出的一种调整视频播放清晰度的方法的流程图；FIG. 1 is a flowchart of a method for adjusting video playback clarity according to an exemplary embodiment of the present invention; FIG.
图2为本发明一示例性实施例示出的一种调整视频播放清晰度的系统的结 构图。FIG. 2 is a structural diagram of a system for adjusting the definition of video playback according to an exemplary embodiment of the present invention.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。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。The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
为了说明本发明所述的技术方案，下面通过具体实施例来进行说明。In order to explain the technical solution described in the present invention, the following description will be made by way of specific embodiments.
如图1所示为本发明一示例性实施例示出的一种调整视频播放清晰度的方法的流程图，所述方法包括以下步骤：FIG. 1 is a flowchart of a method for adjusting video playback clarity according to an exemplary embodiment of the present invention, where the method includes the following steps:
步骤S101，获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽。Step S101: Acquire a play attribute of the video being played, a play attribute of the set top box, a play attribute of the display device, and a network bandwidth.
在本发明实施例中，为了给用户提供更好的视频播放体验，用于调整视频播放清晰度的机顶盒获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽。其中，视频的播放属性包括但不限于：视频的码率、视频的分辨率，机顶盒的播放属性包括但不限于：机顶盒当前的输出分辨率、机顶盒的最大输出分辨率，显示设备的播放属性包括但不限于：显示设备的最大输出分辨率，网络带宽即为用户正在使用的网络的速度。In the embodiment of the present invention, in order to provide a better video playing experience for the user, the set top box for adjusting the clarity of the video playback acquires the playing attribute of the video being played, the playing attribute of the set top box, the playing attribute of the display device, and the network bandwidth. The play attributes of the video include, but are not limited to, the code rate of the video and the resolution of the video. The play attributes of the set top box include but are not limited to: the current output resolution of the set top box, the maximum output resolution of the set top box, and the play attributes of the display device include But not limited to: the maximum output resolution of the display device, the network bandwidth is the speed of the network the user is using.
其中，获取显示设备的播放属性，包括：通过HDMI的直接数字控制DDC通道获取显示设备的扩展显示标识数据EDID，根据所述EDID获取显示设备的播放属性。The obtaining the play attribute of the display device includes: acquiring the extended display identification data EDID of the display device by using a direct digital control DDC channel of the HDMI, and acquiring the play attribute of the display device according to the EDID.
网络带宽可以通过测量软件的测量来获取，视频的播放属性可以通过分析软件对视频经过分析后获取，机顶盒的播放属性存储在机顶盒本地，机顶盒直接调用本地信息即可获取。The network bandwidth can be obtained by measuring the measurement software. The playback properties of the video can be obtained by analyzing the video after analysis. The playback properties of the set-top box are stored locally in the set-top box, and the set-top box can directly obtain local information.
步骤S102，将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整。Step S102: Compare the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attribute of the video, and adjust the video according to the result of the comparison.
在本发明实施例中，影响视频播放效果的通常为视频的码率与网络带宽的 关系，以及视频的分辨率与终端的分辨率、显示设备的分辨率的关系，根据上述的关系对播放的视频进行调整。In the embodiment of the present invention, the effect of the video playback effect is usually the relationship between the code rate of the video and the network bandwidth, and the relationship between the resolution of the video and the resolution of the terminal and the resolution of the display device, and the playback is performed according to the above relationship. The video is adjusted.
所述将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整，包括：Comparing the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attributes of the video, respectively, and adjusting the video according to the result of the comparison, including:
将网络带宽与视频的码率进行比较，如果网络带宽高于视频的码率，则将视频调整为更高清晰度的片源，如果网络带宽低于视频的码率，则将视频调整为低清晰度的片源；和/或，Compare the network bandwidth with the video code rate. If the network bandwidth is higher than the video code rate, adjust the video to a higher-definition source. If the network bandwidth is lower than the video's bit rate, adjust the video to low. Source of sharpness; and/or,
将视频的分辨率分别与终端的播放属性、显示设备的播放属性进行比较，如果视频的分辨率高于机顶盒的播放属性，则统计视频的分辨率、机顶盒当前的输出分辨率、机顶盒最大的输出分辨率、显示设备最大的输出分辨率的情况，如果机顶盒当前的输出分辨率低于视频的分辨率，且低于机顶盒最大的输出分辨率时，则调高所述机顶盒的输出分辨率，以使所述机顶盒的输出分辨率与所述视频的分辨率相匹配。Compare the resolution of the video with the playback properties of the terminal and the playback properties of the display device. If the resolution of the video is higher than the playback properties of the set-top box, the resolution of the video, the current output resolution of the set-top box, and the maximum output of the set-top box. Resolution, the maximum output resolution of the display device, if the current output resolution of the set top box is lower than the resolution of the video and lower than the maximum output resolution of the set top box, then increase the output resolution of the set top box to The output resolution of the set top box is matched to the resolution of the video.
在播放网络视频时，影响到播放清晰度的因素主要是网络带宽和视频的码率。当网络带宽大于视频码率时，视频可以流畅播放。反之会出现卡顿。我们可以将网络带宽与视频码率做一个对应关系。例如在10Mbps网络带宽下，最大可以播放码率为8Mbps的视频，这种视频的清晰度一般为720P或者1080P。在用户播放视频时，可以通过监控单位时间内视频文件下载的大小，计算出下载速度，从而知道播放该视频的网络带宽。同时分析播放该视频的码率。将视频的码率和网络带宽结合起来，可以判断网络带宽是否满足视频流畅播放。按照如上所述网络带宽和视频码率的对应关系，也可判断该网络带宽可支持最大的码率。由于视频封装类型、压缩比例不同，还可以通过一些辅助方法来判断带宽和视频流畅程度的关系。例如：记录单位时间内播放视频的卡顿次数，视频缓冲区域的大小等方法了解播放当前视频的流畅程度。判断设备连接类型，当wifi连接的情况下，带宽会因干扰信号等因素实时变化，这种情况下引起卡顿可以提示用户更换有线连接更加稳定。通过这种辅助方法可以一定程度上可 以辅助判断带宽和视频流畅程度，这些方法希望也落入本发明之内。When playing network video, the factors that affect playback clarity are mainly the network bandwidth and the bit rate of the video. When the network bandwidth is greater than the video bit rate, the video can be played smoothly. On the contrary, there will be a stutter. We can make a correspondence between network bandwidth and video bit rate. For example, under a 10 Mbps network bandwidth, a maximum of 8 Mbps video can be played, and the resolution of such a video is generally 720P or 1080P. When the user plays a video, the download speed can be calculated by monitoring the size of the video file download per unit time, thereby knowing the network bandwidth for playing the video. At the same time, the bit rate of playing the video is analyzed. Combine the bit rate of the video with the network bandwidth to determine whether the network bandwidth satisfies the smooth playback of the video. According to the correspondence between the network bandwidth and the video bit rate as described above, it can also be determined that the network bandwidth can support the maximum code rate. Due to the different types of video encapsulation and compression ratio, some auxiliary methods can also be used to judge the relationship between bandwidth and video fluency. For example, the method of recording the number of times the video is played in a unit time, the size of the video buffer area, and the like can be used to understand the smoothness of playing the current video. Judging the connection type of the device, when the wifi is connected, the bandwidth will change in real time due to factors such as interference signals. In this case, the card can prompt the user to replace the wired connection more stably. This assisted method can assist in determining the bandwidth and video fluency to some extent, and these methods are also intended to fall within the scope of the present invention.
结合正在播放的视频清晰度和输出分辨率(即Vout_now)，可以知晓当前播放视频是否得到了最大程度的输出。比如当前播放的视频清晰度为1080P，但是输出分辨率却只有480P，这样视频中的内容无法点对点的显示，降低了输出像素点会导致视频模糊的情况。In combination with the video resolution and output resolution (ie, Vout_now) being played, it is possible to know whether the currently played video has been output to the maximum extent. For example, the currently played video has a resolution of 1080P, but the output resolution is only 480P, so that the content in the video cannot be displayed point-to-point, which reduces the situation that the output pixel will cause the video to be blurred.
本发明实施例，获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽，将机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据比较的结果对视频进行调整，使得机顶盒可以根据用户的使用环境综合调整视频的播放清晰度，为用户提供环境允许的最好的视频观看体验。In the embodiment of the present invention, the play attribute of the video being played, the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are obtained, and the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video. According to the result of the comparison, the video is adjusted, so that the set top box can comprehensively adjust the playback clarity of the video according to the user's use environment, and provide the user with the best video viewing experience allowed by the environment.
作为本发明的一个可选实施例，在所述根据所述比较的结果对所述视频进行调整的步骤之前，所述方法还包括：As an optional embodiment of the present invention, before the step of adjusting the video according to the result of the comparison, the method further includes:
在显示设备上显示视频调整选项，以使用户根据所述视频调整选项选择是否调整视频清晰度。A video adjustment option is displayed on the display device to enable the user to select whether to adjust the video sharpness according to the video adjustment option.
在本发明实施例中，在视频清晰度需要调整时，机顶盒并不会默认对视频进行调整，而是将调整选项在显示设备上进行显示，用户可以通过电机调整选项来决定是否对视频进行调整，以及调整到何种清晰度。In the embodiment of the present invention, when the video definition needs to be adjusted, the set top box does not adjust the video by default, but displays the adjustment option on the display device, and the user can adjust the video to determine whether to adjust the video. And what kind of sharpness is adjusted.
如图2所示为本发明一示例性实施例示出的一种调整视频播放清晰度的系统的结构图，所述系统包括：FIG. 2 is a structural diagram of a system for adjusting video playback resolution according to an exemplary embodiment of the present invention, where the system includes:
获取单元201，用于获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽。The obtaining unit 201 is configured to acquire a play attribute of the video being played, a play attribute of the set top box, a play attribute of the display device, and a network bandwidth.
在本发明实施例中，为了给用户提供更好的视频播放体验，用于调整视频播放清晰度的机顶盒获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽。其中，视频的播放属性包括但不限于：视频的码率、视频的分辨率，机顶盒的播放属性包括但不限于：机顶盒当前的输出分辨率、机顶盒的最大输出分辨率，显示设备的播放属性包括但不限于：显示 设备的最大输出分辨率，网络带宽即为用户正在使用的网络的速度。In the embodiment of the present invention, in order to provide a better video playing experience for the user, the set top box for adjusting the clarity of the video playback acquires the playing attribute of the video being played, the playing attribute of the set top box, the playing attribute of the display device, and the network bandwidth. The play attributes of the video include, but are not limited to, the code rate of the video and the resolution of the video. The play attributes of the set top box include but are not limited to: the current output resolution of the set top box, the maximum output resolution of the set top box, and the play attributes of the display device include But not limited to: the maximum output resolution of the display device, the network bandwidth is the speed of the network the user is using.
其中，获取显示设备的播放属性，包括：通过HDMI的直接数字控制DDC通道获取显示设备的扩展显示标识数据EDID，根据所述扩展显示标识数据EDID获取显示设备的播放属性。The obtaining the play attribute of the display device includes: acquiring the extended display identification data EDID of the display device through the direct digital control DDC channel of the HDMI, and acquiring the play attribute of the display device according to the extended display identification data EDID.
网络带宽可以通过测量软件的测量来获取，视频的播放属性可以通过分析软件对视频经过分析后获取，机顶盒的播放属性存储在机顶盒本地，机顶盒直接调用本地信息即可获取。The network bandwidth can be obtained by measuring the measurement software. The playback properties of the video can be obtained by analyzing the video after analysis. The playback properties of the set-top box are stored locally in the set-top box, and the set-top box can directly obtain local information.
调整单元202，用于将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整。The adjusting unit 202 is configured to compare the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attribute of the video, and adjust the video according to the result of the comparison.
在本发明实施例中，影响视频播放效果的通常为视频的码率与网络带宽的关系，以及视频的分辨率与终端的分辨率、显示设备的分辨率的关系，根据上述的关系对播放的视频进行调整。In the embodiment of the present invention, the effect of the video playback effect is usually the relationship between the code rate of the video and the network bandwidth, and the relationship between the resolution of the video and the resolution of the terminal and the resolution of the display device, and the playback is performed according to the above relationship. The video is adjusted.
所述将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整，包括：Comparing the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attributes of the video, respectively, and adjusting the video according to the result of the comparison, including:
将网络带宽与视频的码率进行比较，如果网络带宽高于视频的码率，则将视频调整为更高清晰度的片源，如果网络带宽低于视频的码率，则将视频调整为低清晰度的片源；和/或，Compare the network bandwidth with the video code rate. If the network bandwidth is higher than the video code rate, adjust the video to a higher-definition source. If the network bandwidth is lower than the video's bit rate, adjust the video to low. Source of sharpness; and/or,
将视频的分辨率分别与终端的播放属性、显示设备的播放属性进行比较，如果视频的分辨率高于机顶盒的播放属性，则统计视频的分辨率、机顶盒当前的输出分辨率、机顶盒最大的输出分辨率、显示设备最大的输出分辨率的情况，如果机顶盒当前的输出分辨率低于视频的分辨率，且低于机顶盒最大的输出分辨率时，则调高所述机顶盒的输出分辨率，以使所述机顶盒的输出分辨率与所述视频的分辨率相匹配。Compare the resolution of the video with the playback properties of the terminal and the playback properties of the display device. If the resolution of the video is higher than the playback properties of the set-top box, the resolution of the video, the current output resolution of the set-top box, and the maximum output of the set-top box. Resolution, the maximum output resolution of the display device, if the current output resolution of the set top box is lower than the resolution of the video and lower than the maximum output resolution of the set top box, then increase the output resolution of the set top box to The output resolution of the set top box is matched to the resolution of the video.
在播放网络视频时，影响到播放清晰度的因素主要是网络带宽和视频的码率。当网络带宽大于视频码率时，视频可以流畅播放。反之会出现卡顿。我们 可以将网络带宽与视频码率做一个对应关系。例如在10Mbps网络带宽下，最大可以播放码率为8Mbps的视频，这种视频的清晰度一般为720P或者1080P。在用户播放视频时，可以通过监控单位时间内视频文件下载的大小，计算出下载速度，从而知道播放该视频的网络带宽。同时分析播放该视频的码率。将视频的码率和网络带宽结合起来，可以判断网络带宽是否满足视频流畅播放。按照如上所述网络带宽和视频码率的对应关系，也可判断该网络带宽可支持最大的码率。由于视频封装类型、压缩比例不同，还可以通过一些辅助方法来判断带宽和视频流畅程度的关系。例如：记录单位时间内播放视频的卡顿次数，视频缓冲区域的大小等方法了解播放当前视频的流畅程度。判断设备连接类型，当wifi连接的情况下，带宽会因干扰信号等因素实时变化，这种情况下引起卡顿可以提示用户更换有线连接更加稳定。通过这种辅助方法可以一定程度上可以辅助判断带宽和视频流畅程度，这些方法希望也落入本发明之内。When playing network video, the factors that affect playback clarity are mainly the network bandwidth and the bit rate of the video. When the network bandwidth is greater than the video bit rate, the video can be played smoothly. On the contrary, there will be a stutter. We can make a correspondence between network bandwidth and video bit rate. For example, under a 10 Mbps network bandwidth, a maximum of 8 Mbps video can be played, and the resolution of such a video is generally 720P or 1080P. When the user plays a video, the download speed can be calculated by monitoring the size of the video file download per unit time, thereby knowing the network bandwidth for playing the video. At the same time, the bit rate of playing the video is analyzed. Combine the bit rate of the video with the network bandwidth to determine whether the network bandwidth satisfies the smooth playback of the video. According to the correspondence between the network bandwidth and the video bit rate as described above, it can also be determined that the network bandwidth can support the maximum code rate. Due to the different types of video encapsulation and compression ratio, some auxiliary methods can also be used to judge the relationship between bandwidth and video fluency. For example, the method of recording the number of times the video is played in a unit time, the size of the video buffer area, and the like can be used to understand the smoothness of playing the current video. Judging the connection type of the device, when the wifi is connected, the bandwidth will change in real time due to factors such as interference signals. In this case, the card can prompt the user to replace the wired connection more stably. This assisted method can assist in determining the bandwidth and video fluency to a certain extent, and these methods are also intended to fall within the scope of the present invention.
结合正在播放的视频清晰度和输出分辨率(即Vout_now)，可以知晓当前播放视频是否得到了最大程度的输出。比如当前播放的视频清晰度为1080P，但是输出分辨率却只有480P，这样视频中的内容无法点对点的显示，降低了输出像素点会导致视频模糊的情况。In combination with the video resolution and output resolution (ie, Vout_now) being played, it is possible to know whether the currently played video has been output to the maximum extent. For example, the currently played video has a resolution of 1080P, but the output resolution is only 480P, so that the content in the video cannot be displayed point-to-point, which reduces the situation that the output pixel will cause the video to be blurred.
本发明实施例，获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽，将机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据比较的结果对视频进行调整，使得机顶盒可以根据用户的使用环境综合调整视频的播放清晰度，为用户提供环境允许的最好的视频观看体验。In the embodiment of the present invention, the play attribute of the video being played, the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are obtained, and the play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video. According to the result of the comparison, the video is adjusted, so that the set top box can comprehensively adjust the playback clarity of the video according to the user's use environment, and provide the user with the best video viewing experience allowed by the environment.
作为本发明的一个可选实施例，所述系统还包括：As an optional embodiment of the present invention, the system further includes:
视频调整选项显示单元，用于在显示设备上显示视频调整选项，以使用户根据所述视频调整选项选择是否调整视频清晰度。A video adjustment option display unit is configured to display a video adjustment option on the display device to enable the user to select whether to adjust the video sharpness according to the video adjustment option.
在本发明实施例中，在视频清晰度需要调整时，机顶盒并不会默认对视频进行调整，而是将调整选项在显示设备上进行显示，用户可以通过电机调整选 项来决定是否对视频进行调整，以及调整到何种清晰度。In the embodiment of the present invention, when the video definition needs to be adjusted, the set top box does not adjust the video by default, but displays the adjustment option on the display device, and the user can adjust the video to determine whether to adjust the video. And what kind of sharpness is adjusted.
本领域普通技术人员可以理解为上述实施例所包括的各个单元只是按照功能逻辑进行划分的，但并不局限于上述的划分，只要能够实现相应的功能即可；另外，各功能单元的具体名称也只是为了便于相互区分，并不用于限制本发明的保护范围。A person skilled in the art can understand that each unit included in the foregoing embodiment is only divided according to functional logic, but is not limited to the above division, as long as the corresponding function can be implemented; in addition, the specific name of each functional unit It is also for convenience of distinguishing from each other and is not intended to limit the scope of protection of the present invention.
本领域普通技术人员还可以理解，实现上述实施例方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，所述的程序可以在存储于一计算机可读取存储介质中，所述的存储介质，包括ROM/RAM、磁盘、光盘等。It will also be understood by those skilled in the art that all or part of the steps of the foregoing embodiments may be implemented by a program to instruct related hardware, and the program may be stored in a computer readable storage medium. The storage medium described includes a ROM/RAM, a magnetic disk, an optical disk, and the like.
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims (10)

  1. 一种调整视频播放清晰度的方法，其特征在于，所述方法包括：A method for adjusting the definition of video playback, characterized in that the method comprises:
    获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽；Get the playback properties of the video being played, the playback properties of the set-top box, the playback properties of the display device, and the network bandwidth;
    将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整。The play attribute of the set top box, the play attribute of the display device, and the network bandwidth are respectively compared with the play attributes of the video, and the video is adjusted according to the result of the comparison.
  2. 如权利要求1所述的方法，其特征在于，所述视频的播放属性包括：视频的码率、视频的分辨率，机顶盒的播放属性包括：机顶盒当前的输出分辨率、机顶盒的最大输出分辨率，显示设备的播放属性包括：显示设备的最大输出分辨率。The method of claim 1, wherein the play attribute of the video comprises: a code rate of the video, a resolution of the video, and a play attribute of the set top box includes: a current output resolution of the set top box, and a maximum output resolution of the set top box. The playback properties of the display device include: the maximum output resolution of the display device.
  3. 如权利要求1所述的方法，其特征在于，所述获取显示设备的播放属性，包括：通过HDMI的直接数字控制DDC通道获取显示设备的扩展显示标识数据EDID，根据所述EDID获取显示设备的播放属性。The method of claim 1, wherein the obtaining the play attribute of the display device comprises: acquiring the extended display identification data EDID of the display device by using a direct digital control DDC channel of the HDMI, and acquiring the display device according to the EDID Play properties.
  4. 如权利要求1所述的方法，其特征在于，所述将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整，包括：The method according to claim 1, wherein the playing attribute of the set top box, the playing attribute of the display device, and the network bandwidth are respectively compared with the playing attributes of the video, and the video is compared according to the result of the comparison. Make adjustments, including:
    将网络带宽与视频的码率进行比较，如果网络带宽高于视频的码率，则将视频调整为更高清晰度的片源，如果网络带宽低于视频的码率，则将视频调整为低清晰度的片源；和/或，Compare the network bandwidth with the video code rate. If the network bandwidth is higher than the video code rate, adjust the video to a higher-definition source. If the network bandwidth is lower than the video's bit rate, adjust the video to low. Source of sharpness; and/or,
    将视频的分辨率分别与终端的播放属性、显示设备的播放属性进行比较，如果视频的分辨率高于机顶盒的播放属性，则统计视频的分辨率、机顶盒当前的输出分辨率、机顶盒最大的输出分辨率、显示设备最大的输出分辨率的情况，如果机顶盒当前的输出分辨率低于视频的分辨率，且低于机顶盒最大的输出分辨率时，则调高所述机顶盒的输出分辨率，以使所述机顶盒的输出分辨率与所述视频的分辨率相匹配。Compare the resolution of the video with the playback properties of the terminal and the playback properties of the display device. If the resolution of the video is higher than the playback properties of the set-top box, the resolution of the video, the current output resolution of the set-top box, and the maximum output of the set-top box. Resolution, the maximum output resolution of the display device, if the current output resolution of the set top box is lower than the resolution of the video and lower than the maximum output resolution of the set top box, then increase the output resolution of the set top box to The output resolution of the set top box is matched to the resolution of the video.
  5. 如权利要求1～4任一项所述的方法，其特征在于，在所述根据所述比较 的结果对所述视频进行调整的步骤之前，所述方法还包括：The method according to any one of claims 1 to 4, wherein before the step of adjusting the video according to the result of the comparison, the method further comprises:
    在显示设备上显示视频调整选项，以使用户根据所述视频调整选项选择是否调整视频清晰度。A video adjustment option is displayed on the display device to enable the user to select whether to adjust the video sharpness according to the video adjustment option.
  6. 一种调整视频播放清晰度的系统，其特征在于，所述系统包括：A system for adjusting the clarity of video playback, characterized in that the system comprises:
    获取单元，用于获取正在播放的视频的播放属性、机顶盒的播放属性、显示设备的播放属性以及网络带宽；An obtaining unit, configured to acquire a play attribute of a video being played, a play attribute of the set top box, a play attribute of the display device, and a network bandwidth;
    调整单元，用于将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整。The adjusting unit is configured to compare the play attribute of the set top box, the play attribute of the display device, and the network bandwidth with the play attribute of the video, and adjust the video according to the result of the comparison.
  7. 如权利要求6所述的系统，其特征在于，所述视频的播放属性包括：视频的码率、视频的分辨率，机顶盒的播放属性包括：机顶盒当前的输出分辨率、机顶盒的最大输出分辨率，显示设备的播放属性包括：显示设备的最大输出分辨率。The system according to claim 6, wherein the playback attributes of the video comprise: a code rate of the video, a resolution of the video, and a play attribute of the set top box includes: a current output resolution of the set top box, and a maximum output resolution of the set top box. The playback properties of the display device include: the maximum output resolution of the display device.
  8. 如权利要求6所述的系统，其特征在于，所述获取显示设备的播放属性，包括：通过HDMI的直接数字控制DDC通道获取显示设备的扩展显示标识数据EDID，根据所述扩展显示标识数据EDID获取显示设备的播放属性。The system of claim 6, wherein the obtaining the play attribute of the display device comprises: acquiring the extended display identification data EDID of the display device through a direct digital control DDC channel of the HDMI, and displaying the identification data EDID according to the extension Get the playback properties of the display device.
  9. 如权利要求6所述的系统，其特征在于，所述将所述机顶盒的播放属性、显示设备的播放属性、网络带宽分别与视频的播放属性进行比较，根据所述比较的结果对所述视频进行调整，包括：The system according to claim 6, wherein the playing attribute of the set top box, the playing attribute of the display device, and the network bandwidth are respectively compared with the playing attributes of the video, and the video is compared according to the result of the comparison. Make adjustments, including:
    将网络带宽与视频的码率进行比较，如果网络带宽高于视频的码率，则将视频调整为更高清晰度的片源，如果网络带宽低于视频的码率，则将视频调整为低清晰度的片源；和/或，Compare the network bandwidth with the video code rate. If the network bandwidth is higher than the video code rate, adjust the video to a higher-definition source. If the network bandwidth is lower than the video's bit rate, adjust the video to low. Source of sharpness; and/or,
    将视频的分辨率分别与终端的播放属性、显示设备的播放属性进行比较，如果视频的分辨率高于机顶盒的播放属性，则统计视频的分辨率、机顶盒当前的输出分辨率、机顶盒最大的输出分辨率、显示设备最大的输出分辨率的情况，如果机顶盒当前的输出分辨率低于视频的分辨率，且低于机顶盒最大的输出分辨率时，则调高所述机顶盒的输出分辨率，以使所述机顶盒的输出分辨率与所 述视频的分辨率相匹配。Compare the resolution of the video with the playback properties of the terminal and the playback properties of the display device. If the resolution of the video is higher than the playback properties of the set-top box, the resolution of the video, the current output resolution of the set-top box, and the maximum output of the set-top box. Resolution, the maximum output resolution of the display device, if the current output resolution of the set top box is lower than the resolution of the video and lower than the maximum output resolution of the set top box, then increase the output resolution of the set top box to The output resolution of the set top box is matched to the resolution of the video.
  10. 如权利要求6～9任一项所述的系统，其特征在于，所述系统还包括：The system of any of claims 6 to 9, wherein the system further comprises:
    视频调整选项显示单元，用于在显示设备上显示视频调整选项，以使用户根据所述视频调整选项选择是否调整视频清晰度。A video adjustment option display unit is configured to display a video adjustment option on the display device to enable the user to select whether to adjust the video sharpness according to the video adjustment option.
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