CN106792178B - Television play control method and device - Google Patents

Television play control method and device Download PDF

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Publication number
CN106792178B
CN106792178B CN201611241087.7A CN201611241087A CN106792178B CN 106792178 B CN106792178 B CN 106792178B CN 201611241087 A CN201611241087 A CN 201611241087A CN 106792178 B CN106792178 B CN 106792178B
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CN
China
Prior art keywords
television
photoelectric conversion
played
film source
screen brightness
Prior art date
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CN201611241087.7A
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Chinese (zh)
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CN106792178A (en
Inventor
黎明德
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深圳Tcl数字技术有限公司
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Priority to CN201611241087.7A priority Critical patent/CN106792178B/en
Publication of CN106792178A publication Critical patent/CN106792178A/en
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Publication of CN106792178B publication Critical patent/CN106792178B/en

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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
    • H04N21/47End-user applications
    • H04N21/485End-user interface for client configuration
    • H04N21/4854End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring 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
    • H04N21/4424Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used

Abstract

The invention discloses a television play control method, which comprises the following steps: acquiring shooting parameters of film source data to be played and screen brightness of a television; when the shooting parameters and the screen brightness are obtained, calculating a photoelectric conversion curve of a film source to be played according to the shooting parameters and the screen brightness; and replacing the currently set photoelectric conversion curve of the television with the calculated photoelectric conversion curve so as to convert the to-be-played film source data according to the photoelectric conversion curve. The invention also discloses a television playing control device. The invention enables the film source data obtained by shooting with different shooting parameters to be converted through different photoelectric conversion curves, thereby improving the display effect of the film source data.

Description

Television play control method and device

Technical Field

The invention relates to the technical field of televisions, in particular to a television playing control method and device.

Background

With the development of the television display technology, the requirement of the client for the television display is higher and higher, and the High Dynamic Range Imaging (HDR) technology of High definition and color saturation is more and more widely applied to the television display technology. The different video source data are analyzed by the default photoelectric conversion curve for the existing television, which results in poor playing effect of the HDR video source data.

Disclosure of Invention

The invention provides a television playing control method and device, and mainly aims to solve the technical problem of poor playing effect of HDR film source data.

In order to achieve the above object, the present invention provides a method for controlling tv playing, wherein the method for controlling tv playing comprises:

acquiring shooting parameters of film source data to be played and screen brightness of a television;

when the shooting parameters and the screen brightness are obtained, calculating a photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness;

and replacing the currently set photoelectric conversion curve of the television with the calculated photoelectric conversion curve so as to convert the film source data to be played according to the photoelectric conversion curve.

Optionally, the step of obtaining the screen brightness of the television set includes:

acquiring a current image mode of the television;

and acquiring the screen brightness of the television according to the current image mode.

Optionally, after the step of obtaining the shooting parameter of the to-be-played film source data and the screen brightness of the television, the method for controlling playing of the television further includes:

and when the shooting parameters are not acquired, replacing the currently set photoelectric conversion curve of the television by the default photoelectric conversion curve.

Optionally, after the step of obtaining the shooting parameter of the to-be-played film source data and the screen brightness of the television, the method further includes:

when the shooting parameters and the screen brightness are obtained, judging whether the obtained shooting parameters are consistent with the shooting parameters of the currently played film source data;

and when the acquired shooting parameters are inconsistent with the shooting parameters of the currently played film source data, executing the step of acquiring the photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness.

Optionally, the step of obtaining the photoelectric conversion curve of the film source to be played according to the shooting parameter and the screen brightness includes:

acquiring a conversion parameter of the film source data to be played according to a preset mapping relation table between a shooting parameter and screen brightness and the conversion parameter;

and generating a photoelectric conversion curve of the source data of the film to be played according to the conversion parameters.

In addition, in order to achieve the above object, the present invention further provides a television playback control apparatus, including:

the acquisition module is used for acquiring shooting parameters of the data of the film source to be played and the screen brightness of the television, and acquiring a photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness when the shooting parameters and the screen brightness are acquired;

and the processing module is used for replacing the photoelectric conversion curve of the television by the calculated photoelectric conversion curve so as to convert the film source data to be played according to the photoelectric conversion curve.

Optionally, the obtaining module is further configured to:

acquiring a current image mode of the television;

and acquiring the screen brightness of the television according to the current image mode.

Optionally, the processing module is further configured to replace a currently set photoelectric conversion curve of the television with a default photoelectric conversion curve when the shooting parameter is not acquired.

Optionally, the television playback control apparatus further includes:

the judging module is used for judging whether the acquired shooting parameters are consistent with the shooting parameters of the currently played film source data or not when the shooting parameters and the screen brightness are acquired;

the acquisition module is further configured to acquire a photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness when the acquired shooting parameters are inconsistent with the shooting parameters of the currently played film source data.

Optionally, the obtaining module includes:

the acquisition unit is used for acquiring the conversion parameters of the to-be-played film source data according to preset shooting parameters and a mapping relation table between screen brightness and the conversion parameters;

and the generating unit is used for generating a photoelectric conversion curve of the to-be-played film source data according to the conversion parameters.

The television playing control method and the television playing control device provided by the invention have the advantages that when the to-be-played film source data is played, the shooting parameters of the to-be-played film source data and the screen brightness of the television are obtained, the photoelectric conversion curve of the to-be-played film source is obtained according to the shooting parameters and the screen brightness, the photoelectric conversion curve is set as the photoelectric conversion curve of the to-be-played film source, the to-be-played film source data is converted according to the set photoelectric conversion curve when the to-be-played film source data is played, the film source data obtained by shooting with different shooting parameters are converted through different photoelectric conversion curves, and the display effect of the film source data is improved.

Drawings

Fig. 1 is a schematic flow chart of a television play control method according to a first embodiment of the present invention;

fig. 2 is a flowchart illustrating a television broadcast control method according to a second embodiment of the present invention;

fig. 3 is a flowchart illustrating a television playing control method according to a third embodiment of the present invention;

fig. 4 is a functional block diagram of a television playback control apparatus according to a first embodiment of the present invention;

fig. 5 is a functional block diagram of a television playback control apparatus according to a second embodiment of the present invention;

fig. 6 is a functional block diagram of a television broadcast control apparatus according to a third embodiment of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention provides a television play control method.

Referring to fig. 1, fig. 1 is a flowchart illustrating a television play control method according to a first embodiment of the present invention.

The embodiment provides a television play control method, which includes:

step S10, acquiring shooting parameters of the source data to be played and the screen brightness of the television;

in this embodiment, the film source data may be HDR data, and the shooting parameters may include codes of the shooting device, such as a model of the shooting device, shooting brightness, contrast, and other parameters, and the parameters may be obtained from a file preset in the film source data to be played.

The screen brightness of the television can be obtained from the current image mode of the television, and the user can adjust the screen brightness of the television by adjusting the image mode, namely the step of obtaining the screen brightness of the television comprises the following steps: acquiring a current image mode of the television; and acquiring the screen brightness of the television according to the current image mode. The screen brightness of the television can also be adjusted by the user according to needs, for example, the user can adjust the brightness through the brightness scale of the adjustment interface and record the adjusted screen brightness, and then when the screen brightness is obtained, the recorded screen brightness can be directly obtained.

Step S20, when the shooting parameters and the screen brightness are obtained, obtaining the photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness;

in one embodiment, the photoelectric conversion curves corresponding to different shooting parameters and screen brightness can be stored, and the obtained photoelectric conversion curve is directly used as the photoelectric conversion curve of the film source to be played; or pre-storing different shooting parameters and photoelectric conversion curve generation parameters corresponding to the screen brightness, and generating the photoelectric conversion curve according to the generation parameters. The designer can select the mode of obtaining the photoelectric conversion curve of the film source to be played according to the requirement or the chip capability of the television.

And if the shooting parameters cannot be acquired, replacing the currently set photoelectric conversion curve of the television with a default photoelectric conversion curve when the shooting parameters are not acquired. When the shooting parameters of the film source data cannot be acquired, if the film source data is not HDR data, the film source data can be directly converted by adopting a default photoelectric conversion curve.

And step S30, replacing the currently set photoelectric conversion curve of the television with the calculated photoelectric conversion curve to convert the film source data to be played according to the photoelectric conversion curve.

Photoelectric conversion curve: calculating a mode of processing the film source signal according to the ST2084 standard and the BT2020 display standard; different from the traditional SDR television for processing signals, the photoelectric conversion curve calculated by HDR automatic mapping can restore the characteristics of the details and high dynamic range of an HDR film source to the maximum extent.

The photoelectric conversion curve of the to-be-played film source data may not be obtained, and at this time, the to-be-played film source data can be converted by directly adopting the default photoelectric conversion curve, so that the conversion of the to-be-played film source data is realized.

In the method for controlling playing of a television set, when playing to-be-played film source data, a shooting parameter of the to-be-played film source data and screen brightness of the television set are obtained, a photoelectric conversion curve of the to-be-played film source is obtained according to the shooting parameter and the screen brightness, and the photoelectric conversion curve is set as the photoelectric conversion curve of the to-be-played film source, so that the to-be-played film source data is converted according to the set photoelectric conversion curve when playing the to-be-played film source data, and the film source data obtained by shooting with different shooting parameters is converted through different photoelectric conversion curves, thereby improving the display effect of the film source data.

Further, referring to fig. 2, a second embodiment of the television play control method according to the present invention is provided based on the first embodiment, and in this embodiment, after the step S10, the method further includes the steps of:

step S40, when the shooting parameters and the screen brightness are obtained, judging whether the obtained shooting parameters are consistent with the shooting parameters of the currently played film source data;

when the acquired shooting parameters are not consistent with the shooting parameters of the currently played film source data, executing the step S20, namely acquiring a photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness;

and when the acquired shooting parameters are consistent with the shooting parameters of the currently played film source data, the photoelectric conversion curve set by the television is not changed, namely, no processing is performed, and the film source data to be played is directly processed according to the photoelectric conversion curve currently set by the television.

The calculation amount required for calculating the photoelectric conversion curve according to the shooting parameters and the screen brightness is very large, so that the memory occupied by the calculation process is very large, and when the shooting parameters are not changed, the currently set photoelectric conversion curve can be directly adopted for converting the film source data.

It can be understood that, when the shooting parameter of the film source data is not changed, whether the screen brightness of the television is changed or not can be judged, when the screen brightness of the television is not changed, the previously set photoelectric conversion curve can be directly adopted to carry out conversion of the film source data, or when the screen brightness is changed, the photoelectric conversion curve can be recalculated, so that the display effect of the film source data is better.

Further, referring to fig. 3, a third embodiment of the television playing control method according to the present invention is provided based on the first or second embodiment, in this embodiment, the step S20 includes:

step S21, obtaining the conversion parameter of the source data to be played according to the preset mapping relation table between the shooting parameter and the screen brightness and the conversion parameter;

and step S22, generating a photoelectric conversion curve of the to-be-played film source data according to the conversion parameters.

In the solution provided in this embodiment, a curve parameter, such as a constant value in a curve, corresponding to the shooting parameter and the screen brightness may be obtained according to a preset mapping table, and a corresponding photoelectric conversion curve may be generated according to the curve parameter.

The invention further provides a television playing control device.

Referring to fig. 4, fig. 4 is a functional module schematic diagram of a television broadcast control apparatus according to a first embodiment of the present invention.

It should be emphasized that the functional block diagram of fig. 4 is merely an exemplary diagram of a preferred embodiment, and those skilled in the art can easily add new functional blocks around the functional block of the tv playback control apparatus shown in fig. 4; the names of the functional modules are self-defined names, are only used for assisting the program functional blocks of the television playing control device, and are not used for limiting the technical scheme of the invention.

This embodiment proposes a television playback control apparatus, and the television playback control apparatus includes:

the acquisition module 10 is configured to acquire a shooting parameter of data of a film source to be played and screen brightness of a television, and acquire a photoelectric conversion curve of the film source to be played according to the shooting parameter and the screen brightness when the shooting parameter and the screen brightness are acquired;

in this embodiment, the film source data may be HDR data, and the shooting parameters may include codes of the shooting device, such as a model of the shooting device, shooting brightness, contrast, and other parameters, and the parameters may be obtained from a file preset in the film source data to be played.

The screen brightness of the television can be obtained from the current image mode of the television, and the user can adjust the screen brightness of the television by adjusting the image mode, that is, the obtaining module 10 is further configured to obtain the current image mode of the television; and acquiring the screen brightness of the television according to the current image mode, or adjusting the screen brightness of the television according to the requirement of a user, wherein if the user can adjust the brightness through a brightness scale of an adjustment interface and record the adjusted screen brightness, the recorded screen brightness can be directly acquired when the screen brightness is acquired.

In one embodiment, the photoelectric conversion curves corresponding to different shooting parameters and screen brightness can be stored, and the obtained photoelectric conversion curve is directly used as the photoelectric conversion curve of the film source to be played; or pre-storing different shooting parameters and photoelectric conversion curve generation parameters corresponding to the screen brightness, and generating the photoelectric conversion curve according to the generation parameters. The designer can select the mode of obtaining the photoelectric conversion curve of the film source to be played according to the requirement or the chip capability of the television.

And the processing module 20 is configured to replace the photoelectric conversion curve of the television with the calculated photoelectric conversion curve, so as to convert the to-be-played film source data according to the photoelectric conversion curve.

It can be understood that the photoelectric conversion curves of different film source data can be set in advance, and the photoelectric conversion curves of the film source data are directly called to convert the film source data when the film source data are played; or, directly setting the photoelectric conversion curve of the television as the photoelectric conversion curve of the film source to be played, and directly converting the data of the film source to be played according to the set photoelectric conversion curve.

If the shooting parameters may not be obtained, the processing module 20 is further configured to replace the currently set photoelectric conversion curve of the television with a default photoelectric conversion curve when the shooting parameters are not obtained. When the shooting parameters of the film source data cannot be acquired, if the film source data is not HDR data, the film source data can be directly converted by adopting a default photoelectric conversion curve.

The photoelectric conversion curve of the to-be-played film source data may not be obtained, and at this time, the to-be-played film source data can be converted by directly adopting the default photoelectric conversion curve, so that the conversion of the to-be-played film source data is realized.

The television playing control device provided in this embodiment obtains, when playing to-be-played film source data, a shooting parameter of the to-be-played film source data and screen brightness of a television, obtains a photoelectric conversion curve of the to-be-played film source according to the shooting parameter and the screen brightness, and sets the photoelectric conversion curve as the photoelectric conversion curve of the to-be-played film source, so as to convert the to-be-played film source data according to the set photoelectric conversion curve when playing the to-be-played film source data, so that the film source data obtained by shooting with different shooting parameters is converted through different photoelectric conversion curves, thereby improving a display effect of the film source data.

Further, referring to fig. 5, a second embodiment of the television playback control apparatus according to the present invention is proposed based on the first embodiment, and in this embodiment, the television playback control apparatus further includes:

the judging module 30 is configured to judge whether the acquired shooting parameters are consistent with the shooting parameters of currently played film source data when the shooting parameters and the screen brightness are acquired;

the obtaining module 10 is further configured to obtain a photoelectric conversion curve of the film source to be played according to the shooting parameter and the screen brightness when the obtained shooting parameter is inconsistent with the shooting parameter of the currently played film source data;

the setting module 20 is further configured to use the currently set photoelectric conversion curve as the photoelectric conversion curve of the to-be-played film source data when the obtained shooting parameter is consistent with the shooting parameter of the currently played film source data.

The calculation amount required for calculating the photoelectric conversion curve according to the shooting parameters and the screen brightness is very large, so that the memory occupied by the calculation process is very large, and when the shooting parameters are not changed, the currently set photoelectric conversion curve can be directly adopted for converting the film source data.

It can be understood that, when the shooting parameter of the film source data is not changed, whether the screen brightness of the television is changed or not can be judged, when the screen brightness of the television is not changed, the previously set photoelectric conversion curve can be directly adopted to carry out conversion of the film source data, or when the screen brightness is changed, the photoelectric conversion curve can be recalculated, so that the display effect of the film source data is better.

Further, referring to fig. 6, a third embodiment of the television play control method according to the present invention is provided based on the first or second embodiment, in this embodiment, the obtaining module 10 includes:

the acquiring unit 11 is configured to acquire a conversion parameter of the to-be-played film source data according to a preset mapping relationship table between a preset shooting parameter and screen brightness and the conversion parameter;

and the generating unit 12 is configured to generate a photoelectric conversion curve of the to-be-played film source data according to the conversion parameter.

In the solution provided in this embodiment, a curve parameter, such as a constant value in a curve, corresponding to the shooting parameter and the screen brightness may be obtained according to a preset mapping table, and a corresponding photoelectric conversion curve may be generated according to the curve parameter.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be substantially or partially embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk), and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a cloud server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A television playing control method is characterized by comprising the following steps:
acquiring shooting parameters of the film source data to be played and the current screen brightness of the television;
when the shooting parameters and the screen brightness are obtained, calculating a photoelectric conversion curve of the film source to be played according to the shooting parameters and the current screen brightness;
and replacing the currently set photoelectric conversion curve of the television with the calculated photoelectric conversion curve so as to convert the film source data to be played according to the photoelectric conversion curve.
2. The method for controlling the playing of a television set according to claim 1, wherein the step of obtaining the screen brightness of the television set comprises:
acquiring a current image mode of the television;
and acquiring the screen brightness of the television according to the current image mode.
3. The method for controlling television playing of claim 1, wherein after the step of obtaining the shooting parameters of the film source data to be played and the screen brightness of the television, the method for controlling television playing further comprises:
and when the shooting parameters are not acquired, replacing the currently set photoelectric conversion curve of the television by the default photoelectric conversion curve.
4. The method for controlling the playing of a television according to any one of claims 1 to 3, wherein the step of obtaining the shooting parameters of the source data to be played and the screen brightness of the television further comprises:
when the shooting parameters and the screen brightness are obtained, judging whether the obtained shooting parameters are consistent with the shooting parameters of the currently played film source data;
and when the acquired shooting parameters are inconsistent with the shooting parameters of the currently played film source data, executing the step of acquiring the photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness.
5. The method for controlling television playing of claim 4, wherein the step of obtaining the photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness comprises:
acquiring a conversion parameter of the film source data to be played according to a preset mapping relation table between a shooting parameter and screen brightness and the conversion parameter;
and generating a photoelectric conversion curve of the source data of the film to be played according to the conversion parameters.
6. A television playback control apparatus, characterized in that the television playback control apparatus comprises:
the acquisition module is used for acquiring shooting parameters of the data of the film source to be played and the screen brightness of the television, and acquiring a photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness when the shooting parameters and the screen brightness are acquired;
and the processing module is used for replacing the photoelectric conversion curve of the television by the calculated photoelectric conversion curve so as to convert the film source data to be played according to the photoelectric conversion curve.
7. The television playback control apparatus of claim 6, wherein the acquisition module is further configured to:
acquiring a current image mode of the television;
and acquiring the screen brightness of the television according to the current image mode.
8. The tv playback control apparatus according to claim 6, wherein the processing module is further configured to replace a currently set photoelectric conversion curve of the tv with a default photoelectric conversion curve when the shooting parameter is not acquired.
9. The television playback control apparatus of any one of claims 6-8, further comprising:
the judging module is used for judging whether the acquired shooting parameters are consistent with the shooting parameters of the currently played film source data or not when the shooting parameters and the screen brightness are acquired;
the acquisition module is further configured to acquire a photoelectric conversion curve of the film source to be played according to the shooting parameters and the screen brightness when the acquired shooting parameters are inconsistent with the shooting parameters of the currently played film source data.
10. The television playback control apparatus of claim 9, wherein the obtaining module comprises:
the acquisition unit is used for acquiring the conversion parameters of the to-be-played film source data according to preset shooting parameters and a mapping relation table between screen brightness and the conversion parameters;
and the generating unit is used for generating a photoelectric conversion curve of the to-be-played film source data according to the conversion parameters.
CN201611241087.7A 2016-12-28 2016-12-28 Television play control method and device CN106792178B (en)

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CN109618228A (en) * 2018-11-27 2019-04-12 Oppo广东移动通信有限公司 Video source modeling control method, device and electronic equipment

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