CN112363791A - Screen recording method and device, storage medium and terminal equipment - Google Patents
Screen recording method and device, storage medium and terminal equipment Download PDFInfo
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- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 164
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- 230000005540 biological transmission Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000000969 carrier Substances 0.000 description 2
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention discloses a screen recording method, a screen recording device, a storage medium and a terminal device, wherein the method comprises the following steps: when a screen recording instruction is received, an encoder is created, and a UI carrier is generated through the encoder, wherein the screen recording instruction carries a plurality of target layer parameters; extracting a target layer corresponding to each target layer parameter through the layer processing service and the plurality of target layer parameters; and sending each target layer to the UI carrier, and coding the target layer corresponding to the UI carrier through the coder to generate a screen recording file. According to the invention, the screen recording of the target picture and the specified content is realized by recording the layer information of the specified application program, and the screen recording effect is improved.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a screen recording method, a screen recording device, a storage medium and terminal equipment.
Background
With the development of the existing internet of things technology, more and more wireless devices are connected into the internet of things, screen recording and screen transmission are used as a common means in the process, large-area screen transmission occurs in various use scenes, such as meeting screen transmission, multi-window screen recording and the like, the most important thing is that the requirement for recording the specified image layer is high, and the subsequent operation of obtaining images of different image layers can be realized by recording the specified image layer.
At present, the mainstream screen recording mode is to record by acquiring the whole android picture, so that the recording process is very passive, and under different use scenes and use environments, a plurality of interference layers can exist in a conference and a multi-window application scene, so that the appointed picture cannot be recorded. The current mainstream screen recording mode mainly has the following problems:
because the whole window is used as a screen recording basis in the conventional screen recording, the interference in the process can not be eliminated, so that the screen recording can not be carried out on a target picture and specified contents;
layers and other parameters cannot be controlled in the process;
because the size of data is greatly increased to a certain extent for recording the full picture, certain transmission and processing difficulties are increased in later effect processing and network transmission.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
The invention provides a screen recording method, a screen recording device, a storage medium and a terminal device, aiming at solving the technical problem that in the prior art, only the whole android picture can be acquired for screen recording.
The technical scheme adopted by the invention is as follows:
in a first aspect, an embodiment of the present invention provides a screen recording method, where the method includes:
when a screen recording instruction is received, an encoder is created, and a UI carrier is generated through the encoder, wherein the screen recording instruction carries a plurality of target layer parameters;
extracting a target layer corresponding to each target layer parameter through the layer processing service and the plurality of target layer parameters;
and sending each target layer to the UI carrier, and coding the target layer corresponding to the UI carrier through the coder to generate a screen recording file.
As a further improved technical solution, the layer processing service includes a filter and a classifier;
when the filter identifies layer entry, the filter is expanded from a single channel to two channels, wherein the two channels comprise a first channel and a second channel;
the first channel is used for transmitting a plurality of original layers of a display picture and copying the original layers to a second channel, so that the classifier extracts and classifies the original layers through the second channel.
As a further improved technical solution, the extracting, by the layer processing service and the plurality of target layer parameters, a target layer corresponding to each target layer parameter specifically includes:
the classifier acquires a plurality of original layer parameters corresponding to the plurality of original layers;
and determining and extracting a target layer corresponding to each target layer parameter according to the plurality of target layer parameters and the plurality of original layer parameters.
As a further improved technical solution, the determining and extracting, according to the plurality of target layer parameters and the plurality of original layer parameters, a target layer corresponding to each target layer parameter specifically includes:
aiming at the plurality of target layer parameters, searching an original layer parameter corresponding to each target layer parameter in the plurality of original layer parameters;
and taking the original layer corresponding to the searched original layer parameter as a target layer.
As a further improved technical solution, the determining and extracting, according to the plurality of target layer parameters and the plurality of original layer parameters, a target layer corresponding to each target layer parameter specifically includes:
aiming at the plurality of target layer parameters, searching an original layer parameter corresponding to each target layer parameter in the plurality of original layer parameters;
and determining a first original layer corresponding to the searched original layer parameters, and taking a second original layer except the first original layer in the plurality of original layers as a target layer.
As a further improved technical solution, the encoding, by the encoder, the target layer corresponding to the UI carrier to generate the screen recording file specifically includes: and the encoder encodes the target layer corresponding to the UI carrier according to an H264 video coding standard so as to generate a screen recording file.
As a further improved technical scheme, the screen recording instruction also carries a resolution parameter; and setting the target layer through the layer processing service and the resolution parameter.
In a second aspect, an embodiment of the present invention provides a screen recording device, where the screen recording device includes:
the device comprises a creating module, a display module and a display module, wherein the creating module is used for creating an encoder when a screen recording instruction is received, and generating a UI carrier through the encoder, wherein the screen recording instruction carries a plurality of target layer parameters;
the extraction module is used for extracting a target layer corresponding to each target layer parameter through the layer processing service and the plurality of target layer parameters;
and the coding module is used for sending each target layer to the UI carrier and coding the target layer corresponding to the UI carrier through the coder so as to generate a screen recording file.
In a third aspect, the present invention provides a computer-readable storage medium, where one or more programs are stored, and the one or more programs are executable by one or more processors to implement the steps in the screen recording method described in any one of the above.
In a fourth aspect, an embodiment of the present invention provides a terminal device, which includes: a processor and memory and a communication bus; the memory has stored thereon a computer readable program executable by the processor; the communication bus realizes connection communication between the processor and the memory; the processor, when executing the computer readable program, implements the steps of the screen recording method as described in any one of the above.
Has the advantages that: compared with the prior art, the invention provides a screen recording method, a screen recording device, a storage medium and terminal equipment, wherein the method comprises the following steps: when a screen recording instruction is received, an encoder is created, and a UI carrier is generated through the encoder, wherein the screen recording instruction carries a plurality of target layer parameters; extracting a target layer corresponding to each target layer parameter through the layer processing service and the plurality of target layer parameters; and sending each target layer to the UI carrier, and coding the target layer corresponding to the UI carrier through the coder to generate a screen recording file. According to the invention, the screen recording of the target picture and the specified content is realized by recording the layer information of the specified application program, and the screen recording effect is improved.
Drawings
Fig. 1 is a flowchart of a screen recording method provided in the present invention.
Fig. 2 is a schematic structural diagram of a screen recording device provided in the present invention.
Fig. 3 is a schematic structural diagram of a terminal device provided in the present invention.
Detailed Description
The invention provides a screen recording method, a screen recording device, a storage medium and a terminal device, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further explained by the description of the embodiments with reference to the drawings.
The embodiment provides a screen recording method, as shown in fig. 1, the method includes:
s100, when a screen recording instruction is received, an encoder is created, and a UI carrier is generated through the encoder, wherein the screen recording instruction carries a plurality of target layer parameters.
Specifically, the screen recording instruction can select a specified layer to record the screen according to a plurality of target layer parameters carried by the screen recording instruction, so that the screen recording of a target picture and specified contents is realized, and the screen recording effect is improved.
In this embodiment, when a screen recording instruction is received, an encoder is created, where the encoder is a MediaCodec encoder, the MediaCodec is a class provided by Android for encoding and decoding audio and video, and the codec function is implemented by accessing a codec at a bottom layer. Is part of the Android media infrastructure, and is commonly used with mediaextra, MediaSync, MediaMuxer, MediaCrypto, MediaDrm, Image, Surface, and AudioTrack.
A codec may process incoming data to produce outgoing data, the codec using a set of input and output buffers to process the data asynchronously. You can create an empty input buffer, fill it with data and send it to the codec for processing. The codec uses the input data for conversion and then outputs to an empty output buffer. And finally, acquiring data of the output buffer area, consuming the data in the buffer area, and releasing the data back to the coder and the decoder. If subsequent data needs to be processed, the codec repeats these operations. In this embodiment, the UI carrier UI generated by the encoder is the empty input buffer area.
S200, extracting a target layer corresponding to each target layer parameter through the layer processing service and the target layer parameters.
Specifically, the layer processing service refers to a Surface flag of Android, for example, audiolinger, audiobusiness service, and the like, and the layer processing service mainly realizes functions of creating, controlling, managing, and the like of a Surface layer. Stated another way, in the Android implementation, the Android platform is a service, provides a layer rendering function in a system range, and can combine 2D and 3D surfaces of various application programs. The method is realized based on the layer processing service of the android layer, different surface carriers are introduced into the application layer, customized parameters are added into the drawing carriers, and the purpose of acquiring different layer data is achieved by modifying the android layer rendering structure and adding a layer filter.
Therefore, in this embodiment, the layer processing service includes a filter and a classifier;
when the filter identifies layer entry, the filter is expanded from a single channel to two channels, wherein the two channels comprise a first channel and a second channel;
the first channel is used for transmitting a plurality of original layers of a display picture and copying the original layers to a second channel, so that the classifier extracts and classifies the original layers through the second channel.
Specifically, after the recording function of the specified layer is started, the filter is firstly expanded from a single channel to two channels, wherein the two channels comprise a first channel and a second channel, the first channel is used for normally transmitting all the original layers corresponding to the display picture, the second channel copies all data of the first channel, and then the data are extracted and classified through a classifier to obtain the layer data specified by the user, so that the recording of the specified picture is realized.
Further, the extracting, by the layer processing service and the plurality of target layer parameters, a target layer corresponding to each target layer parameter specifically includes:
s201, the classifier acquires a plurality of original layer parameters corresponding to the plurality of original layers;
s202, determining and extracting a target layer corresponding to each target layer parameter according to the target layer parameters and the original layer parameters.
In this embodiment, the finding, by the classifier, of the specified target layer from the multiple original layers according to the target layer parameter (specified layer parameter), and correspondingly determining and extracting, according to the multiple target layer parameters and the multiple original layer parameters, the target layer corresponding to each target layer parameter specifically includes:
s2021, aiming at the plurality of target layer parameters, searching an original layer parameter corresponding to each target layer parameter in the plurality of original layer parameters;
and S2022, taking the original layer corresponding to the searched original layer parameter as a target layer.
Specifically, in this implementation, the classifier may remove an irrelevant layer, so that other operations such as recording on a specified layer may be implemented.
In practical application, the embodiment of the present invention may only specify recording of a certain layer, and may also specify removing a certain layer, and accordingly, determining and extracting a target layer corresponding to each target layer parameter according to the plurality of target layer parameters and the plurality of original layer parameters specifically includes:
aiming at the plurality of target layer parameters, searching an original layer parameter corresponding to each target layer parameter in the plurality of original layer parameters;
and determining a first original layer corresponding to the searched original layer parameters, and taking a second original layer except the first original layer in the plurality of original layers as a target layer.
S300, sending each target layer to the UI carrier, and encoding the target layer corresponding to the UI carrier through the encoder to generate a screen recording file.
Specifically, the encoding, by the encoder, the target layer corresponding to the UI carrier to generate the screen recording file specifically includes: and the encoder encodes the target layer corresponding to the UI carrier according to an H264 video coding standard so as to generate a screen recording file. It will be appreciated that the screen-recorded file may be used for rebroadcast to a live website, or may be composed of a video file in mp4 format, for example. The setting can be carried out according to the actual requirements of the user, and various requirements of the user are met.
Further, in an implementation manner of this embodiment, the screen recording instruction further carries a resolution parameter; and setting the target layer through the layer processing service and the resolution parameter. In other words, the invention also provides a related parameter setting interface in consideration of the following different processing possibly needed, and the interface can also realize the setting of the screen recording resolution, thereby bringing convenience to the use of users.
Therefore, the invention provides an effective and practical method for obtaining the android layer, provides a stable implementation mode for recording the specified layer, live broadcasting the specified layer and obtaining the specified layer, and provides related technical basic support capability and expansion capability for multi-screen conferences and multi-window applications.
In summary, compared with the prior art, the embodiment of the invention has the following advantages:
the invention discloses a screen recording method, which comprises the following steps: when a screen recording instruction is received, an encoder is created, and a UI carrier is generated through the encoder, wherein the screen recording instruction carries a plurality of target layer parameters; extracting a target layer corresponding to each target layer parameter through the layer processing service and the plurality of target layer parameters; and sending each target layer to the UI carrier, and coding the target layer corresponding to the UI carrier through the coder to generate a screen recording file. According to the invention, the screen recording of the target picture and the specified content is realized by recording the layer information of the specified application program, and the screen recording effect is improved.
Based on the screen recording method, the invention also provides a screen recording device, as shown in fig. 2, the device comprises:
the creating module 41 is configured to create an encoder when receiving a screen recording instruction, and generate a UI carrier through the encoder, where the screen recording instruction carries a plurality of target layer parameters;
an extracting module 42, configured to extract, through the layer processing service and the plurality of target layer parameters, a target layer corresponding to each target layer parameter;
and the encoding module 43 is configured to send each target layer to the UI carrier, and encode the target layer corresponding to the UI carrier through the encoder to generate a screen recording file.
It should be noted that, as can be clearly understood by those skilled in the art, the specific implementation processes of the screen recording apparatus and each module may refer to the corresponding descriptions in the foregoing screen recording method embodiment, and for convenience and conciseness of description, no further description is provided herein.
The screen recording device may be implemented in the form of a computer program that can be run on the terminal device shown in fig. 3.
Based on the screen recording method, the present invention further provides a computer-readable storage medium, where one or more programs are stored, and the one or more programs are executable by one or more processors to implement the steps in the screen recording method according to the foregoing embodiment.
Based on the screen recording method, the present invention further provides a terminal device, as shown in fig. 3, which includes at least one processor (processor) 20; a display screen 21; and a memory (memory)22, and may further include a communication Interface (Communications Interface)23 and a bus 24. The processor 20, the display 21, the memory 22 and the communication interface 23 can communicate with each other through the bus 24. The display screen 21 is configured to display a user guidance interface preset in the initial setting mode. The communication interface 23 may transmit information. The processor 20 may call logic instructions in the memory 22 to perform the methods in the embodiments described above.
Furthermore, the logic instructions in the memory 22 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.
The memory 22, which is a computer-readable storage medium, may be configured to store a software program, a computer-executable program, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 20 executes the functional application and data processing, i.e. implements the method in the above-described embodiments, by executing the software program, instructions or modules stored in the memory 22.
The memory 22 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 22 may include a high speed random access memory and may also include a non-volatile memory. For example, a variety of media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, may also be transient storage media.
In addition, the specific processes loaded and executed by the storage medium and the instruction processors in the terminal device are described in detail in the method, and are not stated herein.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A screen recording method, the method comprising:
when a screen recording instruction is received, an encoder is created, and a UI carrier is generated through the encoder, wherein the screen recording instruction carries a plurality of target layer parameters;
extracting a target layer corresponding to each target layer parameter through the layer processing service and the plurality of target layer parameters;
and sending each target layer to the UI carrier, and coding the target layer corresponding to the UI carrier through the coder to generate a screen recording file.
2. The screen recording method according to claim 1, wherein the layer processing service includes a filter and a classifier;
when the filter identifies layer entry, the filter is expanded from a single channel to two channels, wherein the two channels comprise a first channel and a second channel;
the first channel is used for transmitting a plurality of original layers of a display picture and copying the original layers to a second channel, so that the classifier extracts and classifies the original layers through the second channel.
3. The screen recording method according to claim 2, wherein the extracting, by the layer processing service and the plurality of target layer parameters, the target layer corresponding to each target layer parameter specifically comprises:
the classifier acquires a plurality of original layer parameters corresponding to the plurality of original layers;
and determining and extracting a target layer corresponding to each target layer parameter according to the plurality of target layer parameters and the plurality of original layer parameters.
4. The screen recording method according to claim 3, wherein the determining and extracting, according to the plurality of target layer parameters and the plurality of original layer parameters, the target layer corresponding to each target layer parameter specifically comprises:
aiming at the plurality of target layer parameters, searching an original layer parameter corresponding to each target layer parameter in the plurality of original layer parameters;
and taking the original layer corresponding to the searched original layer parameter as a target layer.
5. The screen recording method according to claim 3, wherein the determining and extracting, according to the plurality of target layer parameters and the plurality of original layer parameters, the target layer corresponding to each target layer parameter specifically comprises:
aiming at the plurality of target layer parameters, searching an original layer parameter corresponding to each target layer parameter in the plurality of original layer parameters;
and determining a first original layer corresponding to the searched original layer parameters, and taking a second original layer except the first original layer in the plurality of original layers as a target layer.
6. The screen recording method according to claim 1, wherein the encoding, by the encoder, the target layer corresponding to the UI carrier to generate the screen recording file specifically includes: and the encoder encodes the target layer corresponding to the UI carrier according to an H264 video coding standard so as to generate a screen recording file.
7. The screen recording method according to claim 1, wherein the screen recording instruction further carries a resolution parameter; and setting the target layer through the layer processing service and the resolution parameter.
8. A screen recording apparatus, characterized in that the screen recording apparatus comprises:
the device comprises a creating module, a display module and a display module, wherein the creating module is used for creating an encoder when a screen recording instruction is received, and generating a UI carrier through the encoder, wherein the screen recording instruction carries a plurality of target layer parameters;
the extraction module is used for extracting a target layer corresponding to each target layer parameter through the layer processing service and the plurality of target layer parameters;
and the coding module is used for sending each target layer to the UI carrier and coding the target layer corresponding to the UI carrier through the coder so as to generate a screen recording file.
9. A computer-readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the steps of the screen recording method according to any one of claims 1 to 7.
10. A terminal device, comprising: a processor and memory and a communication bus; the memory has stored thereon a computer readable program executable by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor, when executing the computer readable program, implements the steps in the screen recording method according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011285708.8A CN112363791A (en) | 2020-11-17 | 2020-11-17 | Screen recording method and device, storage medium and terminal equipment |
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| CN202011285708.8A CN112363791A (en) | 2020-11-17 | 2020-11-17 | Screen recording method and device, storage medium and terminal equipment |
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| CN113840165A (en) * | 2021-11-26 | 2021-12-24 | 北京易真学思教育科技有限公司 | Screen recording method, device, equipment and medium |
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