CN111935492A - Live gift display and construction method based on video file - Google Patents
Live gift display and construction method based on video file Download PDFInfo
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- CN111935492A CN111935492A CN202010779079.8A CN202010779079A CN111935492A CN 111935492 A CN111935492 A CN 111935492A CN 202010779079 A CN202010779079 A CN 202010779079A CN 111935492 A CN111935492 A CN 111935492A
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000009877 rendering Methods 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims description 5
- 238000011161 development Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing 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 reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to a live gift display and construction method based on a video file, wherein the display method comprises the following steps: processing the gift sequence frames to obtain a gift display video containing audio; uploading the gift display video to a gift server; the client calls a background gift sending interface according to the gift giving instruction; the client side obtains a corresponding gift display video file; decoding the gift display video file and outputting the decoded gift display video file; the construction method comprises the following steps: establishing a gift material production module; establishing a gift server; establishing a client module; and establishing a decoding module. The method overcomes the problems of high development cost, long development period, high equipment performance occupancy rate and the like of the traditional live broadcast virtual gift display technology, and meanwhile, the gift materials produced by the method support the audio effect and have more vivid display power than the traditional live broadcast virtual gift.
Description
Technical Field
The invention relates to the technical field of video live broadcast, in particular to a live broadcast gift display and construction method based on video files.
Background
With the increasing application of live broadcast scenes in the field of mobile APP, the actions of presenting the virtual gift scenes which are closely combined with the live broadcast scenes are more frequent and common, the user can promote the interaction with the anchor by presenting the virtual gift, and the anchor can obtain a certain benefit at the same time, so that the confidence, achievement and recognition are further increased, and therefore the related technology of the live broadcast gifts plays a significant role in live broadcast services.
Traditional gift display is often realized through platform animation code, and not only development cost is higher, development cycle is longer, and traditional gift display technique often can cause too big, the high problem of equipment performance occupancy rate of resource package moreover. The process of producing gift materials by designers is troublesome and has low efficiency, and the effect of the produced gift materials is not good enough.
Therefore, a simpler, efficient and low-cost live gift display function is urgently needed in the technical field of video live broadcast to meet the requirements of a main broadcast and a user and improve the user experience of live broadcast APP.
Disclosure of Invention
In order to overcome the technical problems or at least partially solve the problems, the invention provides a live gift display and construction method based on a video file.
In order to achieve the purpose, the technical scheme of the invention is as follows:
based on one aspect of the invention, a live gift display method based on a video file is provided, which comprises the following steps:
step 1, processing the gift sequence frame to obtain a gift display video containing audio;
step 2, uploading the gift display video to a gift server;
step 3, the client calls a background gift sending interface according to the gift giving instruction;
step 4, the client side obtains a corresponding gift display video file;
and 5, decoding the gift display video file and outputting the decoded gift display video file.
Preferably, the step 1 comprises:
outputting a gift sequence frame picture;
carrying out transparent channel extraction on the gift sequence frame pictures to generate new pictures;
splicing the gift sequence frame picture with the new picture to obtain a group of spliced sequence frames;
merging the spliced sequence frames to obtain a gift display video;
and adding sound effect for the gift display video to obtain the gift display video containing the audio.
Preferably, step 2 is preceded by:
the client displays a gift panel;
the gift panel is used for clicking and triggering the gift giving instruction by the user.
Preferably, the background-invoking gift-sending interface is configured to check whether the account balance is sufficient, and when the account balance is sufficient, perform global broadcast of a gift-giving message;
the gift-giving message includes, but is not limited to: presenter information, gift information gift;
the gift information includes, but is not limited to, a gift ID, a gift price, and a gift material resource URL address.
Preferably, the step 4 includes:
after receiving the gift message, the client judges whether the local gift display video file exists, and if so, the client directly enters the step 5;
if the gift showing video file is not available locally, the gift showing video file is searched from the gift server and downloaded locally, and then the step 5 is carried out.
Preferably, the step 5 includes:
decoding the gift display video file to obtain video data and audio data;
processing the video data using a shader;
rendering the data processed by the shader by using a rendering control;
and playing the audio data.
Preferably, the processing the video data by using the shader includes:
acquiring texture data;
taking an RGB channel of the left half data of the current texture as RGB of output data;
and taking the RGB arbitrary value of the data on the right half of the texture as the A value of the output data.
Based on another aspect of the invention, a live gift display construction method based on a video file is provided, which comprises the following steps:
establishing a gift material production module, wherein the gift material production module is used for processing the gift sequence frames to obtain a gift display video containing audio;
establishing a gift server for receiving and storing the gift display video;
establishing a client module for calling a background gift sending interface and acquiring a corresponding gift display video file;
and establishing a decoding module for decoding the gift display video file to obtain video data and audio data.
Preferably, the method further comprises the following steps:
and establishing a gift panel display module for displaying a gift panel at the client, and clicking and triggering the gift giving instruction by the user.
Preferably, the method further comprises the following steps:
establishing a shading processing component and a rendering component, the shading processing component for processing the video data using a shader; the rendering component is used for rendering the data processed by the shader;
and establishing an audio playing component for playing the audio data.
The invention has the beneficial effects that:
the application provides a live broadcast gift display and construction method based on a video file, which can effectively improve the production efficiency of designers and research personnel, reduce the consumption of various performances of a client, and ensure the stable operation of a program.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a gift production process of a video file-based live gift display method according to an embodiment of the present invention;
fig. 2 is a flowchart of a gift display system of a live gift display method based on a video file according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a live gift display construction method based on a video file according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying 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.
In some of the flows described in the present specification and claims and in the above figures, a number of operations are included that occur in a particular order, but it should be clearly understood that these operations may be performed out of order or in parallel as they occur herein, the order of the operations, such as step 1, step 2, etc., merely being used to distinguish between various operations, and the order of the operations itself does not represent any order of performance. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel.
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will further describe in detail a live gift displaying and constructing method based on video files claimed by the present invention with reference to specific embodiments.
In accordance with an aspect of the present invention, referring to fig. 1 and fig. 2, there is provided a method for displaying a live gift based on a video file, the method including:
step 1, processing the gift sequence frame to obtain a gift display video containing audio;
step 2, uploading the gift display video to a gift server;
step 3, the client calls a background gift sending interface according to the gift giving instruction;
step 4, the client side obtains a corresponding gift display video file;
and 5, decoding the gift display video file and outputting the decoded gift display video file.
Preferably, the step 1 comprises:
outputting a gift sequence frame picture; it should be noted that the output here may be a manual output or an output thereof, for example, a designer outputs a gift sequence frame picture. Preferably, the gift sequence frame picture is a png format picture with a transparent channel.
Carrying out transparent channel extraction on the gift sequence frame pictures to generate new pictures; specifically, transparent channel extraction is performed on each picture, and a new picture is generated, where the specific operation is to extract a channel values in the four channels of the RBGA of each pixel of the original picture, and the RBG value of each pixel of the generated new picture is the a value of the original picture.
Splicing the gift sequence frame picture with the new picture to obtain a group of spliced sequence frames, wherein the spliced sequence frames contain information of an image A channel;
merging the spliced sequence frames to obtain a gift display video;
and adding sound effect for the gift display video to obtain the gift display video containing the audio.
Preferably, step 2 is preceded by:
the client displays a gift panel;
the gift panel is used for clicking and triggering the gift giving instruction by the user.
Preferably, the background-invoking gift-sending interface is configured to check whether the account balance is sufficient, and when the account balance is sufficient, perform global broadcast of a gift-giving message;
the gift-giving message includes, but is not limited to: presenter information, gift information gift;
the gift information includes, but is not limited to, a gift ID, a gift price, and a gift material resource URL address.
In a specific implementation, the specific steps of performing global broadcast gift-giving messages include: the gift message is broadcast globally by IM and contains, among other things, gift information including gift ID, price, and gift material resource URL address, gift information.
Preferably, the step 4 includes:
after receiving the gift message, the client judges whether the local gift display video file exists, and if so, the client directly enters the step 5;
if the gift showing video file is not available locally, the gift showing video file is searched from the gift server and downloaded locally, and then the step 5 is carried out. In specific implementation, the gift display video file downloaded from the gift server is encoded by the file URL base64 and then stored to the local for a new file name
Preferably, the step 5 includes:
decoding the gift display video file to obtain video data and audio data; in a specific implementation, the format of the video data may be a FrameBuffer format, and the format of the audio data may be a pcm format.
Processing the video data using a shader;
rendering the data processed by the shader by using a rendering control;
and playing the audio data.
Preferably, the processing the video data by using the shader includes:
acquiring texture data;
taking an RGB channel of the left half data of the current texture as RGB of output data;
and taking the RGB arbitrary value of the data on the right half of the texture as the A value of the output data.
In specific implementation, a client renders decoded frame data in real time by using technologies including but not limited to OpenGL, Metal and the like, and writes shader codes to control rendering data, wherein the shader codes mainly adopt an RGB channel of left half data of a current texture as RGB of output data, and adopt an RGB arbitrary value of data on the right half of the texture as an a value of the output data, so that RGBA4 channel data of the output data are all output. The key shader steps are as follows:
1.varying highp vec2 textureCoordinate；
2.uniform sampler2D inputImageTexture；
3.void main()
4.{
5.highp vec2 st＝textureCoordinate；
6.highp vec2 lst＝st*vec2(0.5,1.0)；
7.highp vec2 rst＝lst+vec2(0.5,0.0)；
8.highp vec4 imgOrigin＝texture2D(inputImageTexture,lst)；
9.highp vec4 imgMask＝texture2D(inputImageTexture,rst)；
10.highp vec3 imgRGB＝imgOrigin.rgb*imgMask.r；
11.highp float imgAlpha＝imgMask.r；
12.gl_FragColor＝vec4(imgRGB,imgMask.r)；
13.}
based on another aspect of the present invention, referring to fig. 3, there is provided a video file-based live gift display construction method, including:
establishing a gift material production module, wherein the gift material production module is used for processing the gift sequence frames to obtain a gift display video containing audio;
establishing a gift server for receiving and storing the gift display video;
establishing a client module for calling a background gift sending interface and acquiring a corresponding gift display video file;
and establishing a decoding module for decoding the gift display video file to obtain video data and audio data.
Preferably, the method further comprises the following steps:
and establishing a gift panel display module for displaying a gift panel at the client, and clicking and triggering the gift giving instruction by the user.
Preferably, the method further comprises the following steps:
establishing a shading processing component and a rendering component, the shading processing component for processing the video data using a shader; the rendering component is used for rendering the data processed by the shader;
and establishing an audio playing component for playing the audio data.
In summary, compared with the prior art, the invention provides a live broadcast gift display and construction method based on video files, which reduces development cost and shortens development period by performing transparent channel extraction and synthesis output on frame pictures of a gift sequence; the problems of overlarge resource packet, high equipment performance occupancy rate and the like in the running process are solved by controlling the rendering of the video data through the shader codes; meanwhile, the gift materials produced by the method support the audio effect, and have more vivid exhibition power than the traditional live broadcast virtual gift.
The above-mentioned embodiments only express some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. A live gift display method based on a video file is characterized by comprising the following steps:
step 1, processing the gift sequence frame to obtain a gift display video containing audio;
step 2, uploading the gift display video to a gift server;
step 3, the client calls a background gift sending interface according to the gift giving instruction;
step 4, the client side obtains a corresponding gift display video file;
and 5, decoding the gift display video file and outputting the decoded gift display video file.
2. The method for displaying the live gift based on the video file as claimed in claim 1, wherein the step 1 comprises:
outputting a gift sequence frame picture;
carrying out transparent channel extraction on the gift sequence frame pictures to generate new pictures;
splicing the gift sequence frame picture with the new picture to obtain a group of spliced sequence frames;
merging the spliced sequence frames to obtain a gift display video;
and adding sound effect for the gift display video to obtain the gift display video containing the audio.
3. The method as claimed in claim 1, wherein the step 2 is preceded by:
the client displays a gift panel;
the gift panel is used for clicking and triggering the gift giving instruction by the user.
4. The video file-based live gift display method of claim 1, wherein the background gift sending interface is invoked to check whether an account balance is sufficient, and when the account balance is sufficient, a global gift-giving message is broadcasted;
the gift-giving message includes, but is not limited to: presenter information, gift information gift;
the gift information includes, but is not limited to, a gift ID, a gift price, and a gift material resource URL address.
5. The method for displaying the live gift based on the video file as claimed in claim 1, wherein the step 4 comprises:
after receiving the gift message, the client judges whether the local gift display video file exists, and if so, the client directly enters the step 5;
if the gift showing video file is not available locally, the gift showing video file is searched from the gift server and downloaded locally, and then the step 5 is carried out.
6. The method for displaying the live gift based on the video file as claimed in claim 5, wherein the step 5 comprises:
decoding the gift display video file to obtain video data and audio data;
processing the video data using a shader;
rendering the data processed by the shader by using a rendering control;
and playing the audio data.
7. The method of claim 1, wherein the processing the video data using the shader comprises:
acquiring texture data;
taking an RGB channel of the left half data of the current texture as RGB of output data;
and taking the RGB arbitrary value of the data on the right half of the texture as the A value of the output data.
8. A live gift display construction method based on video files is characterized by comprising the following steps:
establishing a gift material production module, wherein the gift material production module is used for processing the gift sequence frames to obtain a gift display video containing audio;
establishing a gift server for receiving and storing the gift display video;
establishing a client module for calling a background gift sending interface and acquiring a corresponding gift display video file;
and establishing a decoding module for decoding the gift display video file to obtain video data and audio data.
9. The video file-based live gift display construction method of claim 8, further comprising:
and establishing a gift panel display module for displaying a gift panel at the client, and clicking and triggering the gift giving instruction by the user.
10. The video file-based live gift display construction method of claim 9, further comprising:
establishing a shading processing component and a rendering component, the shading processing component for processing the video data using a shader; the rendering component is used for rendering the data processed by the shader;
and establishing an audio playing component for playing the audio data.
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| CN202010779079.8A CN111935492A (en) | 2020-08-05 | 2020-08-05 | Live gift display and construction method based on video file |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113840163A (en) * | 2021-08-24 | 2021-12-24 | 云智联网络科技(北京)有限公司 | High-performance full-screen dynamic gift interaction method and device |
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Application publication date: 20201113 |
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