WO2021120675A1 - 视频播放方法、设备及存储介质 - Google Patents

视频播放方法、设备及存储介质 Download PDF

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Publication number
WO2021120675A1
WO2021120675A1 PCT/CN2020/111293 CN2020111293W WO2021120675A1 WO 2021120675 A1 WO2021120675 A1 WO 2021120675A1 CN 2020111293 W CN2020111293 W CN 2020111293W WO 2021120675 A1 WO2021120675 A1 WO 2021120675A1
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Prior art keywords
video
video playback
playback
parameters
parameter
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PCT/CN2020/111293
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English (en)
French (fr)
Inventor
严鹏
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深圳Tcl新技术有限公司
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Publication of WO2021120675A1 publication Critical patent/WO2021120675A1/zh

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    • 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 disclosure relates to the field of multimedia playback, and in particular to a video playback method, device and storage medium.
  • the existing TV sets adopt fixed playback parameters during the playback process.
  • the playback parameters are manually adjusted by the user last time. It is prone to mismatch between the playback parameters and the characteristics of the currently played video. The video content is not appropriate, resulting in poor video playback and low user experience.
  • the main purpose of the present disclosure is to provide a video playback method, device, and storage medium, aiming to solve the technical problem that the video playback parameters do not match the characteristics of the video itself in the existing video playback process.
  • the present disclosure provides a video playback method, which includes the following steps:
  • the play scene is a video classification determined according to the video type, and different video types correspond to different play scenes.
  • the step of obtaining the target video playback parameters of the to-be-processed video according to the playback scene includes:
  • the video playback parameters corresponding to the to-be-processed video include historical video playback parameters and preset video playback parameters
  • the step of obtaining the video playback parameters corresponding to the to-be-processed video according to the playback scene include:
  • the step of determining the target video playback parameter according to the video playback parameter corresponding to the to-be-processed video includes:
  • the historical video playback parameter is the video playback parameter corresponding to the longest playback time period of the playback scene during one playback, wherein the playback duration is the continuous playback of the to-be-processed video based on the video playback parameter The playing time of.
  • the historical video playback parameter is a video playback parameter set for the video to be played for the last time in the playback scene of the playback scene.
  • the method further includes:
  • the preset video playback parameter corresponding to the playback scene is used as the target video playback parameter.
  • the step of filtering the historical video playback parameters according to the distribution of the historical video playback parameters of the playback scene to obtain the target video playback parameters includes:
  • the distribution number of the historical video playback parameters of the playback scene in each preset value partition of each video playback parameter determine the target partition with the largest distribution number of each preset value partition of each video playback parameter
  • the target video playback parameter is determined according to the historical video playback parameters in the target partition of each video playback parameter.
  • each video playback parameter includes at least one of brightness, contrast, color saturation, sharpness, color temperature, and sharpness.
  • the determining the target video playback parameter according to the historical video playback parameters in the target partition of each video playback parameter specifically includes:
  • the average value calculated from each video playback parameter is used as the target video playback parameter.
  • the determining the target video playback parameter according to the historical video playback parameters in the target partition of each video playback parameter specifically includes:
  • the step of obtaining video playback parameters corresponding to the to-be-processed video according to the playback scene includes:
  • the method further includes:
  • the video playback parameter of the video to be processed is adjusted according to the change of the attribute of the ambient light.
  • the attributes of the ambient light include ambient light brightness, and when the attributes of the ambient light change, the playback brightness of the to-be-processed video is adjusted according to the changes in the attributes of the ambient light.
  • the steps include:
  • the present disclosure also provides a video playback device, the video playback device includes:
  • the scene acquisition module is used to acquire the playing scene of the video to be processed
  • the parameter acquisition module is configured to acquire the target video playback parameters of the to-be-processed video according to the playback scene;
  • the video playback module is configured to play the to-be-processed video according to the target video playback parameter.
  • the present disclosure also provides a video playback device, the video playback device includes a memory, a processor, and a video playback program stored on the memory and running on the processor, so When the video playback program is executed by the processor, the steps of the video playback method described above are implemented.
  • the present disclosure also provides a storage medium with a video playback program stored on the storage medium, and the video playback program is executed by a processor to implement the steps of the video playback method described above.
  • the present disclosure obtains the playback scene of the video to be processed; acquires the target video playback parameters of the to-be-processed video according to the playback scene; and plays the to-be-processed video according to the target video playback parameters.
  • the video playback effect can be more suitable for the characteristics of the video itself, thereby improving the video playback effect and the user viewing experience, thereby solving the problem.
  • the video playback parameters do not match the characteristics of the video itself.
  • FIG. 1 is a schematic structural diagram of a device hardware operating environment involved in a solution of an embodiment of a video playback device of the present disclosure
  • FIG. 2 is a schematic flowchart of the first embodiment of the video playing method of the present disclosure
  • FIG. 3 is a schematic diagram of functional modules of a preferred embodiment of the video playback device of the present disclosure
  • the existing TV sets adopt fixed playback parameters during the playback process.
  • the playback parameters are manually adjusted by the user last time. It is easy to appear that the playback parameters do not match the characteristics of the currently played video. The parameters and the content of the video being played are not appropriate, resulting in poor video playback effects and low user experience.
  • FIG. 1 is a schematic structural diagram of a device hardware operating environment involved in a solution of an embodiment of the video playback device of the disclosure.
  • the video playback device may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003 to be analyzed, a network interface 1004, and a memory 1005.
  • the communication bus 1002 is used to implement connection and communication between these components.
  • the user interface to be analyzed 1003 may include a display screen (Display) and an input unit such as a keyboard (Keyboard).
  • the user interface to be analyzed 1003 may also include a standard wired interface and a wireless interface.
  • the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface).
  • the memory 1005 may be a high-speed RAM memory, or a non-volatile memory (non-volatile memory), such as a magnetic disk memory.
  • the memory 1005 may also be a storage device independent of the aforementioned processor 1001.
  • the hardware structure of the video playback device shown in FIG. 1 does not constitute a limitation on the video playback device, and may include more or less components than shown in the figure, or a combination of certain components, or different components.
  • the layout of the components does not constitute a limitation on the video playback device, and may include more or less components than shown in the figure, or a combination of certain components, or different components. The layout of the components.
  • the memory 1005 as a storage medium may include an operating system, a network communication module, a user interface module to be analyzed, and a video playback program.
  • the operating system is a program that manages and controls video playback equipment and software resources, and supports the operation of network communication modules, user interface modules to be analyzed, video playback programs, and other programs or software; network communication modules are used to manage and control the network interface 1004 ;
  • the user interface module to be analyzed is used to manage and control the user interface 1003 to be analyzed.
  • the network interface 1004 is mainly used to connect to the back-end server and communicate with the back-end server;
  • the user interface to be analyzed 1003 is mainly used to connect to the client and communicate with the client;
  • the device 1001 can call the video playback program stored in the memory 1005 and perform the following operations:
  • the step of obtaining the target video playback parameters of the to-be-processed video according to the playback scene includes:
  • the video playback parameters corresponding to the video to be processed include historical video playback parameters and preset video playback parameters
  • the step of obtaining the video playback parameters corresponding to the video to be processed according to the playback scene includes:
  • the step of determining the target video playback parameter according to the video playback parameter corresponding to the to-be-processed video includes:
  • the method further includes:
  • the step of determining the target video playback parameter according to the video playback parameter corresponding to the to-be-processed video includes:
  • the preset video playback parameter corresponding to the playback scene is used as the target video playback parameter.
  • the step of filtering the historical video playback parameters according to the distribution of the historical video playback parameters of the playback scene to obtain the target video playback parameters includes:
  • the distribution number of the historical video playback parameters of the playback scene in each preset value partition of each video playback parameter determine the target partition with the largest distribution number of each preset value partition of each video playback parameter
  • the target video playback parameter is determined according to the historical video playback parameters in the target partition of each video playback parameter.
  • the step of obtaining video playback parameters corresponding to the to-be-processed video according to the playback scene includes:
  • the method further includes:
  • the video playback parameter of the video to be processed is adjusted according to the change of the attribute of the ambient light.
  • the attribute of the ambient light includes the brightness of the ambient light
  • the step of adjusting the playback brightness of the to-be-processed video according to the change of the attribute of the ambient light includes:
  • the present disclosure also provides a video playback method.
  • FIG. 2 is a schematic flowchart of a first embodiment of a video playing method of the present disclosure.
  • the embodiments of the present disclosure provide embodiments of the video playback method. It should be noted that although the logical sequence is shown in the flowchart, in some cases, the sequence shown or described may be executed in a different order than here. A step of.
  • the execution body is a video playback device capable of playing videos, such as a TV, mobile phone, tablet, computer, etc.
  • video playback methods include:
  • Step S10 acquiring the playing scene of the to-be-processed video
  • an embodiment of the present disclosure proposes a video playback method, which aims to automatically adjust the video according to the characteristics of the video itself. Play parameters to improve the video playback effect.
  • the video to be processed can be understood as a video being played by the video playback device or a video to be played.
  • the TV plays a video
  • the TV first acquires the playing scene of the video to be played or being played.
  • the specific acquisition of the video playing scene can be obtained from the identification information of the video.
  • the identification information includes but is not limited to the name of the video, Number, etc.; it can also be obtained by analyzing and analyzing the video; it can also be selected or set by the user.
  • This embodiment does not limit the specific acquisition method of the video playback scene.
  • the playing scene of the video refers to the classification of the video set according to different video types.
  • Video playback scenes include but are not limited to movie playback scenes, TV series playback scenes, animation playback scenes, news playback scenes, sports event playback scenes, game event playback scenes, variety show playback scenes, etc.
  • the playback scene is a movie playback scene; if the video to be processed is a TV drama (that is, the video type of the video to be processed is a TV drama), then the playback scene is a TV drama playback scene; if it is to be processed If the video is an animation (that is, the video type of the video to be processed is animation), its playback scene is an animation playback scene; if the video to be processed is news (that is, the video type of the video to be processed is news), its playback scene is a news playback scene ; If the video to be processed is a sports event (that is, the video type of the video to be processed is a sports event), its playing scene is a sports event playing scene; if the video to be processed is a game event (that is, the video type of the video to be processed is a game event) , The playing scene is a game event playing scene
  • Step S20 Acquire the target video playback parameters of the video to be processed according to the playback scene
  • the target video playback parameter can be understood as the screen display attribute when the video is played.
  • the target video playback parameter includes but is not limited to at least one of brightness, contrast, color saturation, sharpness, color temperature, and clarity.
  • the playback scene automatically adjusts the video playback parameters to improve the matching degree between the video playback parameters and the characteristics of the video itself; the other is to record the user's adjustment data of the video playback parameters of each playback scene, that is, the historical video playback parameters, each playback
  • the historical video playback parameters corresponding to the scene can all reflect the video playback parameters used by the user in the past when playing the video corresponding to the playback scene.
  • the historical video playback parameters corresponding to the playback scene A can reflect the user's previous playback of the corresponding playback scene A.
  • the video playback parameters used in the video can reflect the video playback parameters used by the user in the past when playing the video corresponding to the playback scene B; among them, each playback scene and its corresponding history Related storage of video playback parameters.
  • the historical video playback parameters corresponding to the playback scene can be obtained, and then the target video playback parameters can be determined according to the historical video playback parameters. In this way, the video can be played according to the user's preference. , To enhance the user’s video viewing experience.
  • Step S30 Play the to-be-processed video according to the target video playback parameter.
  • the television after acquiring the target video playback parameter, the television can use the target video playback parameter to play the video to be processed.
  • the playback scene of the to-be-processed video is acquired; the target video playback parameter of the to-be-processed video is acquired according to the playback scene; the to-be-processed video is played according to the target video playback parameter.
  • step S20 includes:
  • Step S201 Obtain video playback parameters corresponding to the to-be-processed video according to the playback scene;
  • Step S202 Determine a target video playback parameter according to the video playback parameter corresponding to the to-be-processed video.
  • the target video playback parameters of the video to be processed first obtain the video playback parameters corresponding to the video to be processed.
  • the video playback parameters corresponding to the video to be processed include historical video playback parameters and/or preset videos. Play parameters.
  • the video playback parameters corresponding to the video to be processed only include preset video playback parameters
  • the preset video playback parameters corresponding to the playback scene are acquired, and the preset video playback parameters are acquired.
  • the video playback parameter is used as the target video playback parameter; if the video playback parameter corresponding to the video to be processed only includes the historical video playback parameter, it is determined whether the historical video playback parameter exists in the playback scene, and if so, the historical video playback of the playback scene is obtained Parameters, and determine the target video playback parameters according to the historical video playback parameters of the playback scene. If not, use the default playback parameters set by the operation and maintenance personnel or the user as the target video playback parameters;
  • the video playback parameters corresponding to the video to be processed include historical video playback parameters and preset video playback parameters, first determine whether the playback scene has historical video playback parameters, if so, obtain the historical video playback parameters of the playback scene, and The target video playback parameter is determined according to the historical video playback parameter of the playback scene, and if it does not exist, the preset video playback parameter corresponding to the playback scene is obtained, and the preset video playback parameter is used as the target video playback parameter.
  • the historical playback parameters corresponding to the playback scene may be the same as the predicted video playback parameters. Therefore, there are historical video playback parameters in the playback scene, and it is also necessary to determine whether the historical video playback parameters of the playback scene are the same as the preset video playback parameters corresponding to the playback scene. If they are not the same, perform the step: Get the history of the playback scene Video playback parameters, and determine the target video playback parameters according to the historical video playback parameters of the playback scene; if they are the same, the historical video playback parameters of the playback scene or the preset video playback parameters corresponding to the playback scene are used as the target video playback parameters.
  • the operation and maintenance personnel or the user can choose the specific conditions of the above three video playback parameters corresponding to the to-be-processed video according to needs, and this embodiment does not make specific restrictions.
  • the same user may adjust the video playback parameters multiple times to find the most satisfactory video playback parameters, and use the video playback parameters for video playback.
  • the duration of video playback with this video playback parameter is much longer than the intermediate adjustment value. Therefore, the historical video playback parameter refers to the user's multiple adjustments in a playback scene within a preset time period.
  • the video playback parameter corresponding to the longest time period after each adjustment; the historical video playback parameter can also be the video playback parameter obtained by the user for the last adjustment during one playback of a playback scene.
  • This embodiment is not correct Historical video playback parameters are specifically restricted.
  • the video playback parameters corresponding to the to-be-processed video include historical video playback parameters and preset video playback parameters, and the above step S201 includes:
  • Step A21 Determine whether there are historical video playback parameters in the playback scene
  • Step A22 if yes, obtain historical video playback parameters of the playback scene
  • step S202 includes:
  • Step A23 Filter the historical video playback parameters according to the distribution of the historical video playback parameters of the playback scene to obtain the target video playback parameters.
  • the video playback parameters corresponding to the video to be processed include historical video playback parameters and preset video playback parameters. After obtaining the playback scene of the video to be processed, determine whether there are historical video playback parameters in the playback scene. If it exists, it means that the user has played the video of the playback scene in the past. In order to make the video playback effect more consistent with the user's viewing habits, The historical video playback parameters reflect the user's viewing habits. Therefore, when there are historical video playback parameters in the playback scene, the historical video playback parameters stored in association with the playback scene are obtained, and the historical video playback parameters of the playback scene are obtained.
  • the target video playback parameters are determined, specifically, the historical video playback parameters are filtered according to the distribution of the historical video playback parameters of the playback scene to obtain the target video playback parameters.
  • step A21 it also includes: recording the user's video playback parameters when playing each playback scene in the history playback, that is, obtaining the history video playback parameters, and managing and storing each playback scene and its history video playback parameters.
  • the historical video playback parameters may include the video playback parameters adjusted by the user, or the preset video playback parameters corresponding to the playback scene
  • the historical video playback parameters are the same as the preset video playback parameters, directly Obtaining and filtering historical video playback parameters will reduce the efficiency of obtaining target video playback parameters.
  • this embodiment determines whether to execute according to whether the historical video playback parameters are consistent with the preset video playback parameters. Step A22. Specifically, if there are historical video playback parameters in the playback scene, it is determined whether the historical video playback parameters of the playback scene are the same as the preset video playback parameters corresponding to the playback scene.
  • the playback effect of the preset video playback parameters or default playback parameters of the playback scene is not satisfactory, perform the following steps: obtain the historical video playback parameters of the playback scene, and determine the target video playback parameters according to the historical video playback parameters of the playback scene; if they are the same , Indicating that the user is satisfied with the playback effect of the preset video playback parameters of the playback scene during the historical playback. Therefore, no adjustment has been made on the basis of the preset video playback parameters of the playback scene, so in this playback , The historical video playback parameter of the playback scene or the preset video playback parameter corresponding to the playback scene is still used as the target video playback parameter.
  • historical video playback parameters refer to the user's multiple adjustments in a playback scene within a preset time period.
  • this embodiment does not specifically limit the historical video playback parameters.
  • step A21 it further includes:
  • Step A24 if not, obtain preset video playback parameters corresponding to the playback scene
  • step S202 includes:
  • Step A25 Use the preset video playback parameter corresponding to the playback scene as the target video playback parameter.
  • the standard video playback parameters cannot be determined according to the user's past habit of playing videos of the playback scene.
  • Obtain the preset video playback parameters corresponding to the playback scene use the preset video playback parameters as the target video playback parameters, and use the target video playback parameters to play the video, which can make the video playback effect more suitable for the characteristics of the video itself. In turn, the video playback effect is improved, and the user viewing experience is improved.
  • step S201 includes:
  • Step S2011 acquiring the video content type of the to-be-processed video in the playing scene
  • Step S2012 Obtain video playback parameters corresponding to the to-be-processed video according to the video content type.
  • Different videos may have different video content types in different playback scenes due to different video playback content. If the video content types of the playback scenes are not distinguished, a unified video is adopted for each video content type in a playback scene. The playback parameters will cause the video playback effect to be incompatible with the video playback content. To avoid this situation, in this embodiment, the operation and maintenance personnel or users can set different video content types for different playback scenes as needed.
  • the content type is a more detailed classification of the video according to the video playback content.
  • the video content type in the movie playback scene can include martial arts movies, comedies, horror movies, disaster movies, suspense movies, action movies, etc., sports events
  • the video content types in the playback scene can include football matches, basketball matches, baseball matches, swimming events, shooting events, etc. If different video content types in the same playback scene are set to unified video playback parameters, the video playback parameters are the same as The fit of the video playback content is still not high enough.
  • the content of the video to be processed needs to be analyzed for content analysis.
  • the specific acquisition method of the type is limited.
  • the specific method can refer to the above-mentioned content of obtaining the video playback parameters corresponding to the video to be processed according to the playback scene, which will not be repeated here.
  • step A23 includes:
  • Step A231 Obtain the distribution number of historical video playback parameters of the playback scene in each preset value partition of each video playback parameter;
  • Step A232 according to the distribution number of the historical video playback parameters of the playback scene in each preset value partition of each video playback parameter, determine the target partition with the largest distribution number of each preset value partition of each video playback parameter;
  • Step A233 Determine the target video playback parameter according to the historical video playback parameter in the target partition of each video playback parameter.
  • the operation and maintenance personnel pre-set different numerical partitions for different video playback parameters, that is, preset numerical partitions. Every time the user adjusts the video playback parameters, the TV sets the history of each playback scene. The number of distributions of video playback parameters in each preset value partition of each video playback parameter is re-stated, where each video playback parameter with different preset value partitions can be recorded as a video playback parameter item.
  • the distribution of the historical video playback parameters of the playback scene in each preset value partition of each video playback parameter can be obtained, and the playback scene can be obtained
  • the historical video playback parameters include the distribution of each video parameter item in each preset data partition of each video parameter item; and then determine the historical video playback parameters contained in the multiple preset value partitions of each video playback parameter according to the distribution
  • the partition with the largest number is the target partition, and each video playback parameter has a corresponding target partition.
  • the video playback parameter items can be one of brightness, contrast, color saturation, sharpness, color temperature, and clarity, that is, each video playback parameter includes brightness, contrast, color saturation, sharpness, color temperature, and clarity. At least one of.
  • the playback scene of the video to be processed may include multiple historical video playback parameters.
  • Each historical video playback parameter includes at least one video playback parameter item.
  • Each video playback parameter item may be brightness, contrast, color saturation, and sharpness.
  • One of, color temperature and definition, and each type of video playback parameter item in the historical video playback parameters is included in each video playback parameter of the pre-configured numerical partition.
  • each video playback parameter of the pre-configured digital partition includes brightness, contrast, color saturation, sharpness, color temperature, and sharpness.
  • the video playback parameters included in the historical video playback parameters include brightness, contrast, color saturation, and sharpness. Degree, color temperature and clarity.
  • the target video playback parameter After determining the target partition of each video playback parameter, determine the target video playback parameter according to the value of the historical video playback parameter in the target partition of each video playback parameter.
  • the preset values of brightness are divided into brightness values of 0 to 30, 30 to 70, and 70 to 100
  • the preset values of contrast are divided into contrast values of 0 to 100.
  • 40, 40 to 60, 60 to 80, 80 to 100 after obtaining the historical video playback parameters, count the number of historical video playback parameters included in different preset value partitions, and the historical video playback parameters included in the preset value partition of brightness
  • the numbers are: 0 to 30 play 2 times, 30 to 70 play 22 times, 70 to 100 play 6 times
  • the number of historical video playback parameters included in the preset value partition of contrast is, 0 to 40 play 3 times, Play 5 times from 40 to 60, 20 times from 60 to 80, and 2 times from 80 to 100.
  • the brightness partition that is, the target partition
  • the contrast partition is contrast. Values from 60 to 80, after the target partition is determined, the video playback parameters of the video to be processed can be determined according to the historical video playback parameters in the target partition.
  • the selection of the above-mentioned video playback parameters and the division of preset value partitions are only exemplary, and the operation and maintenance personnel can select the video playback parameters and divide the corresponding preset value partitions as needed, and this embodiment does not make specific restrictions.
  • the playback parameters obtain the video playback parameters corresponding to the video to be processed, and then play the video to be processed according to the video playback parameters. It can perform self-learning based on the user's historical parameter adjustments, and then automatically set the video that most users are satisfied with according to the user's preference Play parameters to improve the user’s video viewing experience.
  • the method further includes:
  • Step S41 monitoring the attributes of ambient light
  • Step S42 When the attribute of the ambient light changes, the video playback parameter of the video to be processed is adjusted according to the change of the attribute of the ambient light.
  • the ambient light may change. For example, when the ambient light becomes brighter and darker, if the brightness of the TV does not change, it may cause the brightness of the display screen to form a larger contrast with the surrounding ambient light. Damage to the eyesight of the user, or when the color temperature of the ambient light changes from cold light to warm light, if the color temperature of the TV does not change, it may cause the color temperature of the display to form a larger color temperature contrast with the ambient light, causing damage to the eyesight of the user .
  • the ambient light sensor is used to detect the properties of the ambient light at a certain frequency or in real time.
  • the attributes of ambient light include, but are not limited to, brightness, light level, light quality, light type, light ratio, light color, and so on.
  • This embodiment monitors the attributes of the ambient light, and when the attributes of the ambient light changes, the video playback parameters of the video are adjusted accordingly to reduce the attribute difference between the light on the display screen and the ambient light, and minimize the damage to the user’s eyesight. Improve user video viewing experience.
  • step S42 further includes:
  • Step S423 when the ambient light brightness changes, obtain a curve conversion value corresponding to the changed ambient light brightness
  • This embodiment is a process of specifically how to adjust the playback brightness of the to-be-processed video. First, calculate the intermediate brightness value according to the ambient light brightness, the minimum range of the ambient light sensor, and the maximum range of the ambient light sensor. The specific calculation formula is:
  • A light_min+(100-light_min)*(adc_val-adc_min)/(adc_max-adc_min);
  • A is the intermediate brightness value
  • adc_min is the minimum range of the ambient light sensor
  • adc_max is the maximum range of the ambient light sensor
  • adc_val is the measured value of the ambient light sensor, that is, the changed ambient light brightness
  • the corresponding curve conversion value can be calculated by the conversion formula of the intermediate brightness value and the curve conversion value preset by the operation and maintenance personnel; the corresponding curve conversion value can also be preset by the operation and maintenance personnel Relationship, to obtain the corresponding curve conversion value, which is not specifically limited in this embodiment.
  • Step S424 obtaining a corresponding backlight value according to the curve conversion value corresponding to the changed ambient light brightness
  • the corresponding backlight value is obtained according to the magnitude of the curve conversion value.
  • a is the curve conversion value corresponding to the changed ambient light brightness
  • ba is the backlight value corresponding to a
  • A is the curve conversion value corresponding to the backlight value
  • B is the curve conversion value corresponding to the backlight value 25.
  • Curve conversion value C represents the curve conversion value corresponding to the backlight value 50
  • D represents the curve conversion value corresponding to the backlight value 75
  • E represents the curve conversion value corresponding to the backlight value 100.
  • ba 25*(a-A)*100/(B-A)/100;
  • ba 25+25*(a-B)*100/(C-B)/100;
  • ba 50+25*(a-C)*100/(D-C)/100;
  • ba 75+25*(a-D)*100/(E-D)/100;
  • the division of backlight values of 0, 25, 50, 75, and 100 is only exemplary.
  • the operation and maintenance personnel can adjust the specific backlight value as needed.
  • the curve conversion value corresponding to the backlight value will also change accordingly.
  • This embodiment There are no specific restrictions.
  • Step S425 Adjust the playback brightness of the to-be-processed video according to the backlight value.
  • the backlight of the TV is adjusted to the corresponding backlight value, so that the playback brightness of the video to be processed is at a brightness that allows the user to have a better viewing experience.
  • the method further includes:
  • step S423 is executed.
  • the preset difference threshold is set by the operation and maintenance personnel according to the difference between the brightness of the ambient light and the video playback brightness at which human eyes can feel obvious discomfort. If the brightness of the ambient light is the same as the video to be processed The difference of the playback brightness is less than the preset difference threshold, and the user watching the video will not feel obvious discomfort. In order to avoid frequently adjusting the brightness of the TV when the ambient light brightness changes frequently, which affects the user’s viewing experience, it is not treated at this time The playback brightness of the processed video is adjusted; but if the difference between the ambient light brightness and the playback brightness of the to-be-processed video is greater than or equal to the preset difference threshold, the user watching the video will feel obvious discomfort. If the user watches for a long time, it may It will have a bad effect on eyesight. In order to avoid this situation, the playback brightness of the video to be processed needs to be adjusted to adapt to the brightness of the ambient light.
  • the brightness of the ambient light is monitored, and when the brightness of the ambient light changes, the playback brightness of the video to be processed is adjusted. It can avoid the discomfort of the user watching the video when the ambient light changes, and further enhance the user's viewing experience.
  • the present disclosure also provides a video playback device.
  • FIG. 3 is a schematic diagram of the functional modules of the first embodiment of the video playback device of the present disclosure.
  • the video playback device includes:
  • the scene acquisition module 10 is used to acquire the playing scene of the to-be-processed video
  • the parameter acquisition module 20 is configured to acquire the target video playback parameters of the to-be-processed video according to the playback scene;
  • the video playback module 30 is configured to play the to-be-processed video according to the target video playback parameter.
  • the parameter acquisition module includes:
  • a scene parameter acquisition unit configured to acquire video playback parameters corresponding to the to-be-processed video according to the playback scene
  • the target parameter determining unit is configured to determine the target video playback parameter according to the video playback parameter corresponding to the to-be-processed video.
  • the video playback parameters corresponding to the to-be-processed video include historical video playback parameters and preset video playback parameters
  • the scene parameter acquiring unit includes:
  • the judging subunit is used to judge whether there are historical video playback parameters in the playback scene
  • the historical parameter obtaining subunit is configured to, if yes, obtain historical video playback parameters of the playback scene
  • the target parameter determining unit includes:
  • the screening subunit is used to screen the historical video playback parameters according to the distribution of the historical video playback parameters of the playback scene to obtain the target video playback parameters.
  • the scene parameter acquisition unit includes:
  • the preset parameter acquisition subunit is configured to, if not, acquire the preset video playback parameter corresponding to the playback scene
  • the target parameter determining unit includes:
  • the target parameter determination subunit is configured to use the preset video playback parameter corresponding to the playback scene as the target video playback parameter.
  • screening subunit includes:
  • the distribution acquisition sub-unit is used to acquire the distribution quantity of the historical video playback parameter of the playback scene in each preset value partition of each video playback parameter;
  • the target partition determination sub-subunit is used to determine the distribution number of each preset value partition of each video playback parameter according to the distribution number of the historical video playback parameters of the playback scene in each preset value partition of each video playback parameter.
  • the target parameter determination sub-unit is used to determine the target video playback parameter according to the historical video playback parameter in the target partition of each video playback parameter.
  • the scene parameter acquisition unit further includes:
  • the type obtaining subunit is used to obtain the video content type of the to-be-processed video in the playing scene
  • the type parameter obtaining unit is configured to obtain the video playback parameter corresponding to the to-be-processed video according to the type of the video content.
  • the video playback device further includes:
  • Monitoring module used to monitor the properties of ambient light
  • the adjustment module is configured to adjust the video playback parameter of the to-be-processed video according to the change of the attribute of the ambient light when the attribute of the ambient light changes.
  • the attribute of the ambient light includes the brightness of the ambient light
  • the adjustment module further includes:
  • the curve conversion value acquisition unit is used to obtain the curve conversion value corresponding to the changed ambient light brightness when the ambient light brightness changes;
  • the backlight value acquisition unit is configured to acquire the corresponding backlight value according to the curve conversion value corresponding to the changed ambient light brightness
  • the playback brightness adjustment unit is configured to adjust the playback brightness of the to-be-processed video according to the backlight value.
  • the specific implementation of the video playback device of the present disclosure is basically the same as the embodiments of the above-mentioned video playback method, and will not be repeated here.
  • the embodiment of the present disclosure also proposes a storage medium.
  • a video playback program is stored on the storage medium, and when the video playback program is executed by the processor, the steps of the video playback method described above are implemented.
  • the specific implementation of the storage medium of the present disclosure is basically the same as the embodiments of the above-mentioned video playback method, and will not be repeated here.

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  • Engineering & Computer Science (AREA)
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  • Signal Processing (AREA)
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  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

本公开提供了一种视频播放方法、设备及存储介质,该方法包括以下步骤:获取待处理视频的播放场景;根据所述播放场景获取所述待处理视频的目标视频播放参数;根据所述目标视频播放参数播放所述待处理视频。通过根据视频本身的特性来获取目标视频播放参数,采用该目标视频播放参数播放该视频,能够使得视频播放效果更贴合视频本身的特性,进而提高视频播放效果,提升用户观看体验,从而解决了现有视频播放过程中,视频播放参数与视频本身的特性不匹配的技术问题。

Description

视频播放方法、设备及存储介质
优先权
本公开要求申请日为2019年12月16日提交中国专利局、申请号为“201911297414.4”、申请名称为“视频播放方法、设备及存储介质”的中国专利申请的优先权,其全部内容通过引用结合在本公开中。
技术领域
本公开涉及多媒体播放领域,尤其涉及一种视频播放方法、设备及存储介质。
背景技术
随着互联网在生活中的渗透,智能设备的普及,智能电视的概念及推广的进一步深入人心,市场上对于智能电视的需求和期望日益迫切。
但是,现有的电视机在播放过程中采用的是固定的播放参数,该播放参数为用户上一次手动调整的参数,容易出现播放参数与当前播放的视频本身的特性不匹配、播放参数与播放的视频内容不贴切的情况,导致视频播放效果不好,用户体验较低。
公开内容
本公开的主要目的在于提供一种视频播放方法、设备及存储介质,旨在解决现有视频播放过程中,视频播放参数与视频本身的特性不匹配的技术问题。
为实现上述目的,本公开提供了一种视频播放方法,所述视频播放方法包括以下步骤:
获取待处理视频的播放场景;
根据所述播放场景获取所述待处理视频的目标视频播放参数;
根据所述目标视频播放参数播放所述待处理视频。
在一个实施例中,所述播放场景为根据视频类型确定的视频分类,并且不同的视频类型对应的不同播放场景。
在一个实施例中,所述根据所述播放场景获取所述待处理视频的目标视频播放参数的步骤包括:
根据所述播放场景获取与所述待处理视频对应的视频播放参数;
根据与所述待处理视频对应的视频播放参数确定目标视频播放参数。
在一个实施例中,与所述待处理视频对应的视频播放参数包括历史视频播放参数和预设视频播放参数,所述根据所述播放场景获取与所述待处理视频对应的视频播放参数的步骤包括:
判断所述播放场景是否存在历史视频播放参数;
若存在历史播放参数,则获取所述播放场景的历史视频播放参数;
所述根据与所述待处理视频对应的视频播放参数确定目标视频播放参数的步骤包括:
根据所述播放场景的历史视频播放参数的分布情况对所述历史视频播放参数进行筛选,得到目标视频播放参数。
在一个实施例中,所述历史视频播放参数为所述播放场景在一次播放过程中播放时长最长的时间段对应的视频播放参数,其中,播放时长为以该视频播放参数连续播放待处理视频的播放时长。
在一个实施例中,所述历史视频播放参数为所述播放场景在一次播放过程中最后一次为待播放视频设置的视频播放参数。
在一个实施例中,所述判断所述播放场景是否存在历史视频播放参数的步骤之后,还包括:
若未存在历史播放参数,则获取与所述播放场景对应的预设视频播放参数;
将与所述播放场景对应的预设视频播放参数作为目标视频播放参数。
在一个实施例中,所述根据所述播放场景的历史视频播放参数的分布情况对所述历史视频播放参数进行筛选,得到目标视频播放参数的步骤包括:
获取所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量;
根据所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量,确定各个视频播放参数的各个预设数值分区的分布数量最多的目标分区;
根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数。
在一个实施例中,所述各视频播放参数包括亮度、对比度、色彩饱和度、锐度、色温、清晰度中的至少一种。
在一个实施例中,所述根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数具体包括:
计算每个视频播放参数的目标分区中的历史视频播放参数的数值的平均值;
将各个视频播放参数计算得到的平均值作为目标视频播放参数。
在一个实施例中,所述根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数具体包括:
在每个视频播放参数的目标分区中的历史视频播放参数中的随机选取一个数值;
将选取到的数值作为目标视频播放参数。
在一个实施例中,所述根据所述播放场景获取与所述待处理视频对应的视频播放参数的步骤包括:
获取所述待处理视频在所述播放场景下的视频内容类型;
根据所述视频内容类型获取与所述待处理视频对应的视频播放参数。
在一个实施例中,所述根据所述目标视频播放参数播放所述待处理视频的步骤之后,还包括:
监测环境光的属性;
在所述环境光的属性发生变化时,根据所述环境光的属性的变化情况调整所述待处理视频的视频播放参数。
在一个实施例中,所述环境光的属性包括环境光亮度,所述在所述环境光的属性发生变化时,根据所述环境光的属性的变化情况调整所述待处理视频的播放亮度的步骤包括:
在环境光亮度发生变化时,获取与变化后的环境光亮度对应的曲线转换值;
根据所述与变化后的环境光亮度对应的曲线转换值,获取对应的背光值;
根据所述背光值调整所述待处理视频的播放亮度。
进一步地,为实现上述目的,本公开还提供一种视频播放装置,所述视频播放装置包括:
场景获取模块,用于获取待处理视频的播放场景;
参数获取模块,用于根据所述播放场景获取所述待处理视频的目标视频播放参数;
视频播放模块,用于根据所述目标视频播放参数播放所述待处理视频。
进一步地,为实现上述目的,本公开还提供一种视频播放设备,所述视频播放设备包括存储器、处理器以及存储在所述存储器上并可在所述处理器上运行的视频播放程序,所述视频播放程序被所述处理器执行时实现如上述所述的视频播放方法的步骤。
进一步地,为实现上述目的,本公开还提供一种存储介质,所述存储介质上存储有 视频播放程序,所述视频播放程序被处理器执行时实现如上所述的视频播放方法的步骤。
本公开通过获取待处理视频的播放场景;根据所述播放场景获取所述待处理视频的目标视频播放参数;根据所述目标视频播放参数播放所述待处理视频。通过根据视频本身的特性来获取目标视频播放参数,采用该目标视频播放参数播放该视频,能够使得视频播放效果更贴合视频本身的特性,进而提高视频播放效果,提升用户观看体验,从而解决了现有视频播放过程中,视频播放参数与视频本身的特性不匹配的技术问题。
附图说明
图1为本公开视频播放设备实施例方案涉及的设备硬件运行环境的结构示意图;
图2为本公开视频播放方法第一实施例的流程示意图;
图3为本公开视频播放装置较佳实施例的功能模块示意图;
本公开目的的实现、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用以解释本公开,并不用于限定本公开。
需要说明的是,现有的电视机在播放过程中采用的是固定的播放参数,该播放参数为用户上一次手动调整的参数,容易出现播放参数与当前播放的视频本身的特性不匹配、播放参数与播放的视频内容不贴切的情况,导致视频播放效果不好,用户体验较低。
基于上述缺陷,本公开提供一种视频播放设备,参照图1,图1为本公开视频播放设备实施例方案涉及的设备硬件运行环境的结构示意图。
如图1所示,该视频播放设备可以包括:处理器1001,例如CPU,通信总线1002、待分析用户接口1003,网络接口1004,存储器1005。其中,通信总线1002用于实现这些组件之间的连接通信。待分析用户接口1003可以包括显示屏(Display)、输入单元比如键盘(Keyboard),可选待分析用户接口1003还可以包括标准的有线接口、无线接口。网络接口1004可选的可以包括标准的有线接口、无线接口(如WI-FI接口)。存储器1005可以是高速RAM存储器,也可以是稳定的存储器(non-volatile memory),例如磁盘存储器。存储器1005可选的还可以是独立于前述处理器1001的存储设备。
本领域技术人员可以理解,图1中示出的视频播放设备的硬件结构并不构成对视频播放设备的限定,可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置。
如图1所示,作为一种存储介质的存储器1005中可以包括操作系统、网络通信模块、待分析用户接口模块以及视频播放程序。其中,操作系统是管理和控制视频播放设备与软件资源的程序,支持网络通信模块、待分析用户接口模块、视频播放程序以及其他程序或软件的运行;网络通信模块用于管理和控制网络接口1004;待分析用户接口模块用于管理和控制待分析用户接口1003。
在图1所示的视频播放设备硬件结构中,网络接口1004主要用于连接后台服务器,与后台服务器进行数据通信;待分析用户接口1003主要用于连接客户端,与客户端进行数据通信;处理器1001可以调用存储器1005中存储的视频播放程序,并执行以下操作:
获取待处理视频的播放场景;
根据所述播放场景获取所述待处理视频的目标视频播放参数;
根据所述目标视频播放参数播放所述待处理视频。
进一步地,所述根据所述播放场景获取所述待处理视频的目标视频播放参数的步骤包括:
根据所述播放场景获取与所述待处理视频对应的视频播放参数;
根据与所述待处理视频对应的视频播放参数确定目标视频播放参数。
进一步地,与所述待处理视频对应的视频播放参数包括历史视频播放参数和预设视频播放参数,所述根据所述播放场景获取与所述待处理视频对应的视频播放参数的步骤包括:
判断所述播放场景是否存在历史视频播放参数;
若是,则获取所述播放场景的历史视频播放参数;
所述根据与所述待处理视频对应的视频播放参数确定目标视频播放参数的步骤包括:
根据所述播放场景的历史视频播放参数的分布情况对所述历史视频播放参数进行筛选,得到目标视频播放参数。
进一步地,所述判断所述播放场景是否存在历史视频播放参数的步骤之后,还包括:
若否,则获取与所述播放场景对应的预设视频播放参数;
所述根据与所述待处理视频对应的视频播放参数确定目标视频播放参数的步骤包括:
将与所述播放场景对应的预设视频播放参数作为目标视频播放参数。
进一步地,所述根据所述播放场景的历史视频播放参数的分布情况对所述历史视频播放参数进行筛选,得到目标视频播放参数的步骤包括:
获取所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量;
根据所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量,确定各个视频播放参数的各个预设数值分区的分布数量最多的目标分区;
根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数。
进一步地,所述根据所述播放场景获取与所述待处理视频对应的视频播放参数的步骤包括:
获取所述待处理视频在所述播放场景下的视频内容类型;
根据所述视频内容类型获取与所述待处理视频对应的视频播放参数。
进一步地,所述根据所述目标视频播放参数播放所述待处理视频的步骤之后,还包括:
监测环境光的属性;
在所述环境光的属性发生变化时,根据所述环境光的属性的变化情况调整所述待处理视频的视频播放参数。
进一步地,所述环境光的属性包括环境光亮度,所述在所述环境光的属性发生变化时,根据所述环境光的属性的变化情况调整所述待处理视频的播放亮度的步骤包括:
在环境光亮度发生变化时,获取与变化后的环境光亮度对应的曲线转换值;
根据所述与变化后的环境光亮度对应的曲线转换值,获取对应的背光值;
根据所述背光值调整所述待处理视频的播放亮度。
本公开视频播放设备的具体实施方式与下述视频播放方法各实施例基本相同,在此不再赘述。
本公开还提供一种视频播放方法。
参照图2,图2为本公开视频播放方法第一实施例的流程示意图。
本公开实施例提供了视频播放方法的实施例,需要说明的是,虽然在流程图中示出了逻辑顺序,但是在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤。
在视频播放方法的各个实施例中,执行主体是能够播放视频的视频播放设备,例如电视机、手机、平板电脑、计算机等,为了便于描述,以电视机为执行主体进行阐述各个实施例。视频播放方法包括:
步骤S10,获取待处理视频的播放场景;
现有技术中,有的电视机在播放过程中采用的是固定的播放参数,该播放参数为用户上一次手动调整的参数,容易出现播放参数与当前播放的视频本身的特性不匹配、播放参数与播放的视频内容不贴切的情况,导致视频播放效果不好,用户体验较低。
为解决现有技术中在视频播放过程中,视频播放参数与视频本身的特性不匹配的技术问题,在本公开实施例中提出一种视频播放方法,旨在通过根据视频本身的特性自动调整视频播放参数,以提升视频播放效果。
在本实施例中,待处理视频可理解为视频播放设备正在播放的视频或者待播放的视频。在电视机进行视频播放时,电视机首先获取待播放或者正在播放的视频的播放场景,视频的播放场景的具体获取可以是从视频的标识信息中获取,标识信息包括但不限于视频的名称、编号等;也可以是对视频进行解析分析得到;还可以是由用户自行选择或设置的,本实施例并不限制视频的播放场景具体获取方式。其中,视频的播放场景指的是根据视频类型的不同所设置的视频的分类,可以理解的是,视频的播放场景为根据视频类型确定的视频分类,并且不同的视频类型对应的不同播放场景。视频的播放场景包括但不限于电影播放场景、电视剧播放场景、动画播放场景、新闻播放场景、体育赛事播放场景、游戏赛事播放场景、综艺节目播放场景等,对应的,若待处理视频为电影(即待处理视频的视频类型为电影),则其播放场景为电影播放场景;若待处理视频为电视剧(即待处理视频的视频类型为电视剧),则其播放场景为电视剧播放场景;若待处理视频为动画(即待处理视频的视频类型为动画),则其播放场景为动画播放场景;若待处理视频为新闻(即待处理视频的视频类型为新闻),则其播放场景为新闻播放场景;若待处理视频为体育赛事(即待处理视频的视频类型为体育赛事),则其播放场景为体育赛事播放场景;若待处理视频为游戏赛事(即待处理视频的视频类型为游戏赛事),则其播放场景为游戏赛事播放场景;若待处理视频为综艺节目(即待处理视频的视频类型为综艺节目),则其播放场景为综艺节目播放场景。
步骤S20,根据所述播放场景获取与所述待处理视频的目标视频播放参数;
在本实施例中,目标视频播放参数可理解为播放视频时的画面显示属性,目标视频播放参数包括但不限于亮度、对比度、色彩饱和度、锐度、色温、清晰度中的至少一种。在获取到待处理视频的播放场景后,根据播放场景获取目标视频播放参数有两种方式:一种是由运维人员或用户为不同的播放场景预先设置不同的视频播放参数,即预设视频播放参数,在获取到待处理视频的播放场景后,即可获取与该播放场景相对应的预设视 频播放参数,进而根据该预设视频播放参数播放待处理视频,通过这种方式能够根据视频的播放场景自动调整视频播放参数,提升视频播放参数与视频本身特性的匹配度;另一种则是记录用户对每个播放场景的视频播放参数的调整数据,即历史视频播放参数,每个播放场景对应的历史视频播放参数均能够反映用户以往在播放该播放场景对应的视频时所采用的视频播放参数,例如,播放场景A对应的历史视频播放参数能够反映用户以往在播放该播放场景A对应的视频时所采用的视频播放参数,播放场景B对应的历史视频播放参数能够反映用户以往在播放该播放场景B对应的视频时所采用的视频播放参数;其中,每个播放场景与其对应的历史视频播放参数关联存储。在获取到待处理视频的播放场景后,即可获取与该播放场景对应的历史视频播放参数,进而根据该历史视频播放参数确定目标视频播放参数,通过这种方式能够根据用户的偏好进行视频播放,提升用户的视频观看体验。这两种方式可以单独实施,也可以组合起来实施,本实施例不做具体限制。
步骤S30,根据所述目标视频播放参数播放所述待处理视频。
在本实施例中,在获取到目标视频播放参数后,电视机即可采用该目标视频播放参数来播放待处理视频。
本实施例通过获取待处理视频的播放场景;根据所述播放场景获取所述待处理视频的目标视频播放参数;根据所目标视频播放参数播放所述待处理视频。通过根据视频本身的特性来获取相对应的目标视频播放参数,采用该目标视频播放参数来播放该视频,能够使得视频播放效果更贴合视频本身的特性,进而提高视频播放效果,提升用户观看体验。
进一步地,提出本公开视频播放方法第二实施例,上述步骤S20包括:
步骤S201,根据所述播放场景获取与所述待处理视频对应的视频播放参数;
步骤S202,根据与所述待处理视频对应的视频播放参数确定目标视频播放参数。
在本实施例中,要确定待处理视频的目标视频播放参数,首先要获取与待处理视频对应的视频播放参数,与待处理视频对应的视频播放参数包括历史视频播放参数和/或预设视频播放参数。
具体地,若与待处理视频对应的视频播放参数只包括预设视频播放参数,则在获取到待处理视频的播放场景后,获取与该播放场景对应的预设视频播放参数,将该预设视频播放参数作为目标视频播放参数;若与待处理视频对应的视频播放参数只包括历史视频播放参数,则判断该播放场景是否存在历史视频播放参数,若存在,则获取该播放场 景的历史视频播放参数,并根据该播放场景的历史视频播放参数确定目标视频播放参数,若不存在,则将运维人员或用户设置的默认播放参数作为目标视频播放参数;
若与待处理视频对应的视频播放参数包括历史视频播放参数和预设视频播放参数,则首先判断该播放场景是否存在历史视频播放参数,若存在,则获取该播放场景的历史视频播放参数,并根据该播放场景的历史视频播放参数确定目标视频播放参数,若不存在,则获取与该播放场景对应的预设视频播放参数,将该预设视频播放参数作为目标视频播放参数。
由于播放场景对应的历史播放参数可以与预测视频播放参数相同。从而在该播放场景存在历史视频播放参数,还需要判断该播放场景的历史视频播放参数与该播放场景对应的预设视频播放参数是否相同,若不相同,则执行步骤:获取该播放场景的历史视频播放参数,并根据该播放场景的历史视频播放参数确定目标视频播放参数;若相同,则将该播放场景的历史视频播放参数或者该播放场景对应的预设视频播放参数作为目标视频播放参数。
以上三种与待处理视频对应的视频播放参数的具体情况,运维人员或用户可以根据需要自行选择,本实施例不做具体限制。
可以理解的是,在一个播放场景的一次播放过程中,同一个用户可能会对视频播放参数进行多次调整最终才能找到其最满意的视频播放参数,并以该视频播放参数进行视频播放,故而以该视频播放参数进行视频播放的时长相较于中间的调整值要长的多,因此,历史视频播放参数指的是在预设时间段内,用户在一个播放场景下的多次调整中,每次调整后的播放时长最长的时间段对应的视频播放参数;历史视频播放参数也可以是在一个播放场景的一次播放过程中,用户进行最后一次调整得到的视频播放参数,本实施例不对历史视频播放参数做具体限制。
进一步地,与所述待处理视频对应的视频播放参数包括历史视频播放参数和预设视频播放参数,上述步骤S201包括:
步骤A21,判断所述播放场景是否存在历史视频播放参数;
步骤A22,若是,则获取所述播放场景的历史视频播放参数;
对应的,上述步骤S202包括:
步骤A23,根据所述播放场景的历史视频播放参数的分布情况对所述历史视频播放参数进行筛选,得到目标视频播放参数。
在本实施例中,与待处理视频对应的视频播放参数包括历史视频播放参数和预设视 频播放参数。在获取到待处理视频的播放场景后,判断该播放场景是否存在历史视频播放参数,若存在,说明用户过去播放过该播放场景的视频,为了使视频播放效果与用户的观看习惯更加契合,而历史视频播放参数反映的正是用户的观看习惯,因此,当播放场景存在历史视频播放参数时,则获取与该播放场景的关联存储的历史视频播放参数,并根据该播放场景的历史视频播放参数确定目标视频播放参数,具体地,根据该播放场景的历史视频播放参数的分布情况对历史视频播放参数进行筛选,得到目标视频播放参数。
若不存在,则获取与该播放场景对应的预设视频播放参数,并将与该播放场景对应的预设视频播放参数作为与待处理视频对应的视频播放参数。
进一步地,在步骤A21之前还包括:记录用户在历史播放中,播放每个播放场景时的视频播放参数,即得到历史视频播放参数,将每个播放场景与其历史视频播放参数管理存储。
进一步地,由于历史视频播放参数可能包括用户自行调整过的视频播放参数,也可能包括与播放场景对应的预设视频播放参数,若不考虑历史视频播放参数与预设视频播放参数是否相同,直接获取历史视频播放参数并对其进行筛选,则会做降低目标视频播放参数的获取效率,为避免这种情况,本实施例根据历史视频播放参数与预设视频播放参数的是否一致来确定是否执行步骤A22。具体地,若该播放场景存在历史视频播放参数,判断该播放场景的历史视频播放参数与该播放场景对应的预设视频播放参数是否相同,若不相同,说明用户在历史播放过程中,对该播放场景的预设视频播放参数或者默认播放参数的播放效果不满意,则执行步骤:获取该播放场景的历史视频播放参数,并根据该播放场景的历史视频播放参数确定目标视频播放参数;若相同,说明用户在历史播放过程中,对该播放场景的预设视频播放参数的播放效果较满意,因此在该播放场景的预设视频播放参数的基础上未进行过调整,故而在本次播放中,仍然将该播放场景的历史视频播放参数或者该播放场景对应的预设视频播放参数作为目标视频播放参数。
可以理解的是,在一个播放场景的一次播放过程中,同一个用户可能会对视频播放参数进行多次调整最终才能找到其最满意的播放参数,并以该参数进行视频播放,故而以该参数进行视频播放的时长相较于中间的调整值要长的多,因此,历史视频播放参数指的是在预设时间段内,用户在一个播放场景下的多次调整中,每次调整后的播放时长最长的时间段对应的视频播放参数;历史视频播放参数也可以是在一个播放场景的一次播放过程中,用户进行最后一次调整得到的视频播放参数;历史视频播放参数还可以是 当前播放场景所对应的预设视频播放参数,本实施例不对历史视频播放参数做具体限制。
进一步地,上述步骤A21之后,还包括:
步骤A24,若否,则获取与所述播放场景对应的预设视频播放参数;
对应的,上述步骤S202包括:
步骤A25,将与所述播放场景对应的预设视频播放参数作为目标视频播放参数。
在本实施例中,若该播放场景不存在历史视频播放参数,说明用户以往没有播放过该播放场景的视频,因此无法根据用户以往播放该播放场景的视频的习惯来确定标视频播放参数,则获取与该播放场景对应的预设视频播放参数,将该预设视频播放参数作为目标视频播放参数,采用该目标视频播放参数来播放该视频,能够使得视频播放效果更贴合视频本身的特性,进而提高视频播放效果,提升用户观看体验。
进一步地,上述步骤S201包括:
步骤S2011,获取所述待处理视频在所述播放场景下的视频内容类型;
步骤S2012,根据所述视频内容类型获取与所述待处理视频对应的视频播放参数。
不同视频在不同播放场景下,可能由于视频播放内容的不同还具有不同的视频内容类型,若不对播放场景的视频内容类型进行区分,对一个播放场景下的每个视频内容类型都采取统一的视频播放参数,会导致视频播放效果与视频播放内容的契合度不够高,为避免这种情况,在本实施例中,运维人员或用户可以根据需要为不同播放场景设置不同的视频内容类型,视频内容类型是根据视频播放内容对视频进行的更为细化的分类,例如电影播放场景下的视频内容类型可以包括武侠片、喜剧片、恐怖片、灾难片、悬疑片、动作片等,体育赛事播放场景下的视频内容类型可以包括足球赛事、篮球赛事、棒球赛事、游泳赛事、射击赛事等,若为同一播放场景下的不同视频内容类型都设置为统一的视频播放参数,则视频播放参数与视频播放内容的契合度仍然不够高,为了进一步提高视频播放参数与视频播放内容的契合度,在本实施例中,在获取到待处理视频的播放场景后,还需要对待处理视频进行内容解析以获取待处理视频的在该播放场景下的视频内容类型,可以理解的是,待处理视频的在该播放场景下的视频内容类型还可以是用户或者自行选择或设置的,本实施例不对视频内容类型的具体获取方式做限定。
在确定待处理视频在该播放场景下的视频内容类型后,根据该视频内容类型获取与待处理视频对应的视频播放参数,此处与待处理视频对应的视频播放参数包括历史视频播放参数和/或预设视频播放参数,具体方式可参照上述根据播放场景获取与待处理视频对应的视频播放参数的内容,此处不再赘述。
进一步地,上述步骤A23包括:
步骤A231,获取所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量;
步骤A232,根据所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量,确定各个视频播放参数的各个预设数值分区的分布数量最多的目标分区;
步骤A233,根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数。
在本实施例中,运维人员为不同的视频播放参数预先设置有不同的数值分区,即预设数值分区,在用户每次对视频播放参数进行调整后,电视机都会对各个播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量重新进行统计,其中,预设设置不同的数值分区的各视频播放参数可以记为视频播放参数项。因此,在确定待处理视频的播放场景的存在历史视频播放参数后,即可获取该播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布情况,即可获取该播放场景的历史视频播放参数包括的各视频参数项在各视频参数项的各个预设数据分区的分布情况;再根据分布情况确定每个视频播放参数的多个预设数值分区中包含的历史视频播放参数数量最多的分区,即目标分区,每个视频播放参数都有对应的目标分区。其中,视频播放参数项可以为亮度、对比度、色彩饱和度、锐度、色温以及清晰度中的一种,即各视频播放参数包括亮度、对比度、色彩饱和度、锐度、色温、清晰度中的至少一种。
此外,待处理视频的播放场景可以包括多个历史视频播放参数,每个历史视频播放参数包括至少一个视频播放参数项,每个视频播放参数项均可以为亮度、对比度、色彩饱和度、锐度、色温以及清晰度中的一种,并且历史视频播放参数中的每种视频播放参数项均包含于预先配置数值分区的各个视频播放参数中。例如,预先配置数字分区的各个视频播放参数包括包括亮度、对比度、色彩饱和度、锐度、色温以及清晰度,那么历史视频播放参数包括的视频播放参数包含于亮度、对比度、色彩饱和度、锐度、色温以及清晰度之中。
在确定每个视频播放参数的目标分区后,根据每个视频播放参数的目标分区中的历史视频播放参数的数值,确定目标视频播放参数,有以下两种方式,一种是计算每个视频播放参数的目标分区中的历史视频播放参数的数值的平均值,将各个视频播放参数计算得到的平均值作为目标视频播放参数;另一种则是将每个视频播放参数的目标分区中 的历史视频播放参数中的任意一个数值作为对应的视频播放参数的取值,以上两种方式择一实施,本实施例不做具体限制。
为辅助理解,现列举一实例,若视频播放参数包括亮度和对比度,亮度的预设数值分区为亮度值0至30、30至70、70至100,对比度的预设数值分区为对比度值0至40、40至60、60至80、80至100,在获取到历史视频播放参数后,统计不同预设数值分区包含的历史视频播放参数的数量,亮度的预设数值分区包含的历史视频播放参数的数量分别为,0至30播放2次、30至70播放22次、70至100播放6次,对比度的预设数值分区包含的历史视频播放参数的数量分别为,0至40播放3次、40至60播放5次、60至80播放20次、80至100播放2次,可知包含的历史视频播放参数的数量最多的亮度分区(即目标分区)为亮度值30至70,对比度分区为对比度值60至80,在确定目标分区后,即可根据该目标分区中的历史视频播放参数确定待处理视频的视频播放参数。
其中,上述视频播放参数的选择和预设数值分区的划分只是示例性的,运维人员可以根据需要选择视频播放参数和划分对应的预设数值分区,本实施例不做具体限制。
在本实施例中,通过在不同播放场景下设置细化的视频内容类型,并为其配置对应的预设视频播放参数,能够进一步提高视频播放参数与视频播放内容的契合度;通过根据历史视频播放参数获取与待处理视频对应的视频播放参数,进而按照该视频播放参数播放待处理视频,能够基于用户的历史参数调整情况进行自学习,进而自动根据用户的偏好设置大多数用户都满意的视频播放参数,从而提升用户的视频观看体验。
进一步地,提出本公开视频播放方法第三实施例,上述步骤S30之后,还包括:
步骤S41,监测环境光的属性;
步骤S42,在所述环境光的属性发生变化时,根据所述环境光的属性的变化情况调整所述待处理视频的视频播放参数。
在用户观看视频过程中,环境光可能会产生变化,例如当环境光有亮变暗,若电视的亮度不变,则可能会导致显示屏的亮度与周围环境光形成较大的亮暗对比,对用户视力造成损害,又或者当环境光色温由冷光变为暖光,若电视的色温不变,则可能会导致显示屏的色温与周围环境光形成较大的色温对比,对用户视力造成损害。为避免这种情况,在按照步骤S20获取到的视频播放参数播放待处理视频的过程中,通过环境光感应器按照一定频率或者实时检测环境光的属性,在环境光的属性发生变化时,根据环境光的属性的变化情况调整待处理视频的视频播放参数。其中,环境光的属性包括但不限于亮度、光位、光质、光型、光比、光色等。
本实施例通过对环境光属性进行监测,在环境光属性发生变化时,对应调整视频的视频播放参数,以减小显示屏的光线与环境光线的属性差异,尽量减小对用户视力的损害,提升用户视频观看体验。
进一步地,以所述环境光的属性包括环境光亮度为例进行说明,上述步骤S42还包括:
步骤S423,在环境光亮度发生变化时,获取与变化后的环境光亮度对应的曲线转换值;
本实施例为具体如何调整待处理视频的播放亮度的过程。首先,根据环境光亮度、环境光感应器的最小量程、环境光感应器的最大量程计算得到中间亮度值,具体地计算公式为:
A=light_min+(100-light_min)*(adc_val-adc_min)/(adc_max-adc_min);
其中,A是中间亮度值;
adc_min是环境光感应器的最小量程;
adc_max是环境光感应器的最大量程;
adc_val是环境光感应器的测量值,即变化后的环境光亮度;
light_min=4*adc_min。
在得到中间亮度值后,可由运维人员预设的中间亮度值与曲线转换值的转换公式计算得到对应的曲线转换值;也可以由运维人员预先设置好中间亮度值与曲线转换值的对应关系,获取对应的曲线转换值,本实施例不做具体限制。
步骤S424,根据所述与变化后的环境光亮度对应的曲线转换值,获取对应的背光值;
在本实施例中,在得到变化后的环境光亮度对应的曲线转换值后,根据该曲线转换值的大小,获取对应的背光值。
为辅助理解,现列举一实例:a为变化后的环境光亮度对应的曲线转换值,ba为与a对应的背光值,A为背光值0对应的曲线转换值,B代表背光值25对应的曲线转换值,C代表背光值50对应的曲线转换值,D代表背光值75对应的曲线转换值,E代表背光值100对应的曲线转换值。
若a≤A,则ba=0;
若A<a≤B,则ba==25*(a-A)*100/(B-A)/100;
若B<a≤C,则ba=25+25*(a-B)*100/(C-B)/100;
若C<a≤D,则ba=50+25*(a-C)*100/(D-C)/100;
若D<a<E,则ba=75+25*(a-D)*100/(E-D)/100;
若a≥E,则ba=100。
其中,背光值0、25、50、75、100的划分只是示例性的,运维人员可以根据需要调整具体地背光值,对应的,背光值对应的曲线转换值也随之改变,本实施例不做具体限制。
步骤S425,根据所述背光值调整所述待处理视频的播放亮度。
在获取到需要调整的背光值后,调整电视机的背光至相应的背光值,从而使待处理视频的播放亮度处于让用户观看体验较好的亮度。
进一步地,上述步骤S423之前,还包括:
获取环境光的亮度与所述待处理视频的播放亮度的差值;
若环境光亮度与所述待处理视频的播放亮度的差值大于或者等于预设差值阈值,则执行步骤S423。
在本实施例中,所述预设差值阈值为运维人员根据人眼能够感到明显不适的环境光亮度与视频播放亮度的亮度差值进行设置的,若环境光亮度与所述待处理视频的播放亮度的差值小于预设差值阈值,观看视频的用户不会感到明显不适,为了避免在环境光亮度频繁变化的时候频繁调整电视的亮度,影响用户观看体验,因此,此时不对待处理视频的播放亮度进行调整;但若环境光亮度与所述待处理视频的播放亮度的差值大于或者等于预设差值阈值,观看视频的用户会感到明显不适,若用户长时间观看,可能会对视力产生不良影响,为避免这种情况,需要对待处理视频的播放亮度进行调整以适应环境光的亮度。
本实施例通过监测环境光亮度,在环境光亮度发生变化时,调整待处理视频的播放亮度。能够避免观看视频的用户在环境光变化时产生的不适感,进一步提升用户观看体验。
本公开还提供一种视频播放装置。
参照图3,图3为本公开视频播放装置第一实施例的功能模块示意图。所述视频播放装置包括:
场景获取模块10,用于获取待处理视频的播放场景;
参数获取模块20,用于根据所述播放场景获取所述待处理视频的目标视频播放参数;
视频播放模块30,用于根据所述目标视频播放参数播放所述待处理视频。
进一步地,所述参数获取模块包括:
场景参数获取单元,用于根据所述播放场景获取与所述待处理视频对应的视频播放参数;
目标参数确定单元,用于根据与所述待处理视频对应的视频播放参数确定目标视频播放参数。
进一步地,与所述待处理视频对应的视频播放参数包括历史视频播放参数和预设视频播放参数,所述场景参数获取单元包括:
判断子单元,用于判断所述播放场景是否存在历史视频播放参数;
历史参数获取子单元,用于若是,则获取所述播放场景的历史视频播放参数;
对应的,所述目标参数确定单元包括:
筛选子单元,用于根据所述播放场景的历史视频播放参数的分布情况对所述历史视频播放参数进行筛选,得到目标视频播放参数。
进一步地,所述场景参数获取单元包括:
预设参数获取子单元,用于若否,则获取与所述播放场景对应的预设视频播放参数;
对应的,所述目标参数确定单元包括:
目标参数确定子单元,用于将与所述播放场景对应的预设视频播放参数作为目标视频播放参数。
进一步地,所述筛选子单元包括:
分布情况获取子子单元,用于获取所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量;
目标分区确定子子单元,用于根据所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量,确定各个视频播放参数的各个预设数值分区的分布数量最多的目标分区;
目标参数确定子子单元,用于根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数。
进一步地,所述场景参数获取单元还包括:
类型获取子单元,用于获取所述待处理视频在所述播放场景下的视频内容类型;
类型参数获取单元,用于根据所述视频内容类型获取与所述待处理视频对应的视频播放参数。
进一步地,所述视频播放装置还包括:
监测模块,用于监测环境光的属性;
调整模块,用于在所述环境光的属性发生变化时,根据所述环境光的属性的变化情况调整所述待处理视频的视频播放参数。
进一步地,所述环境光的属性包括环境光亮度,所述调整模块还包括:
曲线转换值获取单元,用于在环境光亮度发生变化时,获取与变化后的环境光亮度对应的曲线转换值;
背光值获取单元,用于根据所述与变化后的环境光亮度对应的曲线转换值,获取对应的背光值;
播放亮度调整单元,用于根据所述背光值调整所述待处理视频的播放亮度。
本公开视频播放装置具体实施方式与上述视频播放方法各实施例基本相同,在此不再赘述。
此外,本公开实施例还提出一种存储介质。
存储介质上存储有视频播放程序,视频播放程序被处理器执行时实现如上所述的视频播放方法的步骤。
本公开存储介质具体实施方式与上述视频播放方法各实施例基本相同,在此不再赘述。
上面结合附图对本公开的实施例进行了描述,但是本公开并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本公开的启示下,在不脱离本公开宗旨和权利要求所保护的范围情况下,还可做出很多形式,凡是利用本公开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,这些均属于本公开的保护之内。

Claims (16)

  1. 一种视频播放方法,其中,所述视频播放方法包括以下步骤:
    获取待处理视频的播放场景;
    根据所述播放场景获取所述待处理视频的目标视频播放参数;
    根据所述目标视频播放参数播放所述待处理视频。
  2. 如权利要求1所述的视频播放方法,其中,所述播放场景为根据视频类型确定的视频分类,并且不同的视频类型对应的不同播放场景。
  3. 如权利要求1所述的视频播放方法,其中,所述根据所述播放场景获取所述待处理视频的目标视频播放参数的步骤包括:
    根据所述播放场景获取与所述待处理视频对应的视频播放参数;
    根据与所述待处理视频对应的视频播放参数确定目标视频播放参数。
  4. 如权利要求3所述的视频播放方法,其中,与所述待处理视频对应的视频播放参数包括历史视频播放参数和预设视频播放参数,所述根据所述播放场景获取与所述待处理视频对应的视频播放参数的步骤包括:
    判断所述播放场景是否存在历史视频播放参数;
    若存在历史播放参数,则获取所述播放场景的历史视频播放参数;
    所述根据与所述待处理视频对应的视频播放参数确定目标视频播放参数的步骤包括:
    根据所述播放场景的历史视频播放参数的分布情况对所述历史视频播放参数进行筛选,得到目标视频播放参数。
  5. 如权利要求4所述的视频播放方法,其中,所述历史视频播放参数为所述播放场景在一次播放过程中播放时长最长的时间段对应的视频播放参数,其中,播放时长为以该视频播放参数连续播放待处理视频的播放时长。
  6. 如权利要求4所述的视频播放方法,其中,所述历史视频播放参数为所述播放场景在一次播放过程中最后一次为待播放视频设置的视频播放参数。
  7. 如权利要求4所述的视频播放方法,其中,所述判断所述播放场景是否存在历史视频播放参数的步骤之后,还包括:
    若未存在历史播放参数,则获取与所述播放场景对应的预设视频播放参数;
    将与所述播放场景对应的预设视频播放参数作为目标视频播放参数。
  8. 如权利要求4所述的视频播放方法,其中,所述根据所述播放场景的历史视频播放参数的分布情况对所述历史视频播放参数进行筛选,得到目标视频播放参数的步骤包 括:
    获取所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量;
    根据所述播放场景的历史视频播放参数在各个视频播放参数的各个预设数值分区的分布数量,确定各个视频播放参数的各个预设数值分区的分布数量最多的目标分区;
    根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数。
  9. 如权利要求8所述的视频播放方法,其中,所述各视频播放参数包括亮度、对比度、色彩饱和度、锐度、色温、清晰度中的至少一种。
  10. 如权利要求8所述的视频播放方法,其中,所述根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数具体包括:
    计算每个视频播放参数的目标分区中的历史视频播放参数的数值的平均值;
    将各个视频播放参数计算得到的平均值作为目标视频播放参数。
  11. 如权利要求8所述的视频播放方法,其中,所述根据各个视频播放参数的目标分区中的历史视频播放参数确定目标视频播放参数具体包括:
    在每个视频播放参数的目标分区中的历史视频播放参数中的随机选取一个数值;
    将选取到的数值作为目标视频播放参数。
  12. 如权利要求3所述的视频播放方法,其中,所述根据所述播放场景获取与所述待处理视频对应的视频播放参数的步骤包括:
    获取所述待处理视频在所述播放场景下的视频内容类型;
    根据所述视频内容类型获取与所述待处理视频对应的视频播放参数。
  13. 如权利要求1所述的视频播放方法,其中,所述根据所述目标视频播放参数播放所述待处理视频的步骤之后,还包括:
    监测环境光的属性;
    在所述环境光的属性发生变化时,根据所述环境光的属性的变化情况调整所述待处理视频的视频播放参数。
  14. 如权利要求13所述的视频播放方法,其中,所述环境光的属性包括环境光亮度,所述在所述环境光的属性发生变化时,根据所述环境光的属性的变化情况调整所述待处理视频的播放亮度的步骤包括:
    在环境光亮度发生变化时,获取与变化后的环境光亮度对应的曲线转换值;
    根据所述与变化后的环境光亮度对应的曲线转换值,获取对应的背光值;
    根据所述背光值调整所述待处理视频的播放亮度。
  15. 一种视频播放设备,其中,所述视频播放设备包括存储器、处理器以及存储在所述存储器上并可在所述处理器上运行的视频播放程序,所述视频播放程序被所述处理器执行时实现如权利要求1-14中任一项所述的视频播放方法的步骤。
  16. 一种存储介质,其中,所述存储介质上存储有视频播放程序,所述视频播放程序被处理器执行时实现如权利要求1-14中任一项所述的视频播放方法的步骤。
PCT/CN2020/111293 2019-12-16 2020-08-26 视频播放方法、设备及存储介质 WO2021120675A1 (zh)

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