CN108966006A - Playback method, browser equipment and the readable storage medium storing program for executing of video - Google Patents
Playback method, browser equipment and the readable storage medium storing program for executing of video Download PDFInfo
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- CN108966006A CN108966006A CN201810825453.6A CN201810825453A CN108966006A CN 108966006 A CN108966006 A CN 108966006A CN 201810825453 A CN201810825453 A CN 201810825453A CN 108966006 A CN108966006 A CN 108966006A
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- Prior art keywords
- video
- stream file
- video stream
- decoded
- decoder
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
Abstract
A kind of playback method of video, browser equipment and readable storage medium storing program for executing, the playback method of the video may include: to receive the video stream file that server is sent based on Web Socket agreement；It calls decoder to be decoded the video stream file, generates decoded video image, the decoder is the decoding program of assembly language format；Play the decoded video image.Using above scheme, the time delay of video playing can be effectively reduced.
Description
Technical field
The present embodiments relate to field of video broadcasting technology more particularly to a kind of playback method of video, browser to set
Standby and readable storage medium storing program for executing.
Background technique
Due to supporting cross-platform operation, it is adapted to multiple terminals, hypertext markup language (Hyper Text Markup
Language, HTML) 5 better user experience and visual experience can be provided for user.HTML5 can allow application program to return
It is extended to webpage, and to the function of webpage, so that user does not need downloading client or plug-in unit and can watch video, play
Game, operation is simpler, therefore user experience is more preferable.
For net cast, video is streamed to HTML5 browser, HTML5 by Web Socket agreement by server
Browser plays out video file based on included player.
Existing based in HTML5 net cast scheme, the time delay of video playing is higher.
Summary of the invention
The technical issues of embodiment of the present invention solves is how to reduce the time delay of video playing.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of playback method of video, comprising: be based on Web
Socket agreement receives the video stream file that server is sent；It calls decoder to be decoded the video stream file, generates
Decoded video image, the decoder are the decoding program of assembly language format；Play the decoded video image.
Optionally, the calling decoder is decoded the video stream file, comprising: by described in JS code calling
Decoder is decoded the video stream file.
Optionally, the decoded video image is YUV image.
Optionally, the video stream file are as follows: coded format is video stream file H.264.
Optionally, the video stream file is live video stream file.
The embodiment of the present invention provides a kind of browser equipment, comprising: receiving unit, suitable for being connect based on Web Socket agreement
Receive the video stream file that server is sent；Generation unit is generated suitable for calling decoder to be decoded the video stream file
Decoded video image, the decoder are the decoding program of assembly language format；Broadcast unit is suitable for playing the decoding
Video image afterwards.
Optionally, the generation unit is suitable for calling the decoder to carry out the video stream file by JS code
Decoding, generates decoded video image.
Optionally, the decoded video image is YUV image.
Optionally, the video stream file are as follows: coded format is video stream file H.264.
Optionally, the video stream file is live video stream file.
The embodiment of the present invention provides a kind of computer readable storage medium, and computer readable storage medium is non-volatile deposits
Storage media or non-transitory storage media, are stored thereon with computer instruction, and the computer instruction executes any of the above-described when running
The step of kind the method.
The embodiment of the present invention provides a kind of browser equipment, including memory and processor, is stored on the memory
The computer instruction that can be run on the processor, the processor execute any of the above-described kind when running the computer instruction
The step of the method.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
The embodiment of the present invention is primarily based on Web Socket agreement and receives the video stream file that server is sent, and then calls
Decoder is decoded the video stream file, generates decoded video image, then plays the decoded video figure
Picture is decoded video stream file due to calling directly decoder, and decoder is the decoding program of assembly language format, is held
Scanning frequency degree quickly, therefore applies above scheme, and the time delay of video playing can be effectively reduced.
Detailed description of the invention
Fig. 1 is a kind of detail flowchart of the playback method of video provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of browser equipment provided in an embodiment of the present invention.
Specific embodiment
For net cast, video is streamed to HTML5 browser, HTML5 by Web Socket agreement by server
Browser plays out video file based on included player, causes the time delay of video playing higher.
The embodiment of the present invention is primarily based on Web Socket agreement and receives the video stream file that server is sent, and then calls
Decoder is decoded video stream file, generates decoded video image, then the video image after broadcast decoder, due to straight
Connect call decoder video stream file is decoded and decoder be assembly language format decoding program, execute speed very
Fastly, therefore above scheme is applied, the time delay of video playing can be effectively reduced.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this
The specific embodiment of invention is described in detail.
Referring to Fig. 1, the embodiment of the invention provides a kind of playback methods of video, may include steps of:
Step S101 receives the video stream file that server is sent based on Web Socket agreement.
In specific implementation, in order to preferably support HTML5, the speed of HTTP web page access is improved, Web is introduced
Socket agreement.Web Socket agreement is based on transmission control protocol (Transport Control Protocol, TCP)
A kind of new network protocol.It realizes full duplex (full-duplex) communication pattern between browser and server, that is, permits
Perhaps server active transmission information is to client.
In specific implementation, it is communicated between the browser of server and client side based on Web Socket agreement, therefore
It is primarily based on Web Socket agreement and receives the video stream file that server is sent.
In specific implementation, the server is the equipment for initiating video stream file, can both be set for true server
It is standby, or subscriber terminal equipment belongs to the protection scope of the embodiment of the present invention.
In specific implementation, the video stream file can be live video stream file, or order video stream text
Part.
Preferably due to which the embodiment of the present invention can effectively lower the time delay of video playing, therefore can be applied to broadcasting
The higher live video file of delay requirement.
In specific implementation, since video data is generally bigger, in order to improve efficiency of transmission, need to video data into
It is transmitted again after row compressed encoding.Video coding mode refers to through specific compress technique, and the file of some video format is turned
Change the mode of another video format file into.
In specific implementation, for video compression coding-decoding, there are many algorithms and standard.It common are International Telecommunication Association
H.261, H.263, H.264 video encoding and decoding standard, the M-JPEG video encoding and decoding standard that motor rest motion picture expert group version proposes
The MPEG series video encoding and decoding standard proposed with Motion Picture Experts Group of International Organization for standardization.In addition, on the internet by
Widely applied frequency encoding and decoding standard further include: the RealVideo of Real-Networks, the WMV of Microsoft and Apple
The QuickTime etc. of company.
In specific implementation, the thought of the playback method of video provided in an embodiment of the present invention can be adapted for all views
Frequency encoding and decoding algorithm.
In specific implementation, the coded format of the video stream file can be the coded format of mpeg system, can also be with
For H.261, H.262 and H.264 serial coded format, the protection scope of the embodiment of the present invention is belonged to.
In an embodiment of the present invention, the video stream file are as follows: coded format is video stream file H.264.
Step S102 calls decoder to be decoded the video stream file, generates decoded video image, described
Decoder is the decoding program of assembly language format.
In specific implementation, since HTML5 browser is based on included player, video file is played out, is caused
The time delay of video playing is higher, therefore consideration of the embodiment of the present invention calls directly decoder and directly solves to the video stream file
Code, plays the decoded video image, directly then to reduce the time delay of video playing.
In specific implementation, in order to further lower Playout delay, the decoder can be the solution of assembly language format
Coded program.Since assembler language is the machine language that computer can directly be read, therefore the decoding program of assembly language format
Execution efficiency is higher than the execution efficiency of the decoding program of other high level machine language formats such as C language or Matlab language,
It can effectively shorten and execute the time.
In specific implementation, the video stream file can be carried out by decoder described in different program code calls
Decoding.
In an embodiment of the present invention, it includes: to pass through JS that the calling decoder, which is decoded the video stream file,
(Javascript) code calls the decoder to be decoded the video stream file.
In specific implementation, the decoded video image can be YUV image, wherein " Y " indicates brightness
(Luminance or Luma), i.e. grayscale value；And " U " and " V " indicates coloration (Chrominance or Chroma).YUV is by Europe
A kind of colour coding method used by the television system of continent is that the color that PAL and SECAM simulation color television system uses is empty
Between.In modern color television system, generally use three pipe colour cameras or colored CCD video camera and carry out capture, then
The colour picture signal of acquirement obtains RGB through color separation, respectively after amplification correction, obtains luminance signal using matrixer
Y and two colour difference signal B-Y (i.e. U), R-Y (i.e. V), last transmitting terminal compile three signals of brightness and color difference respectively
Code, is sent with same channel.The representation method of this color is exactly that so-called YUV color space indicates.Using YUV color
The luminance signal Y and carrier chrominance signal U, V that the importance in space is it are separation.
Step S103 plays the decoded video image.
In specific implementation, YUV image that can directly after broadcast decoder.
In specific implementation, in order to which the beneficial effect for verifying the embodiment of the present invention tests this for video file 1 respectively
Video playing time delay, the video playing time delay of the prior art for the scheme that inventive embodiments provide, test result is as follows:
Using scheme provided in an embodiment of the present invention, HTML5 browser calls directly the decoder pair of assembly language format
Decoding video file 1 is decoded, then the video file 1 after broadcast decoder, and the Playout delay of video file 1 is 1s or so；
Using existing technology, HTML5 browser is decoded and plays based on included player, to video file 1,
The Playout delay of video file 1 is 3s or so.
From test result as can be seen that video file can be effectively reduced using scheme provided in an embodiment of the present invention
Playout delay can greatly improve user experience particularly with live video file, meet the needs of user's real-time.
Using above scheme, it is primarily based on Web Socket agreement and receives the video stream file that server is sent, then adjust
Video stream file is decoded with decoder, generates decoded video image, then the video image after broadcast decoder, due to
Call directly decoder video stream file is decoded and decoder be assembly language format decoding program, execute speed
Quickly, therefore above scheme is applied, the time delay of video playing can be effectively reduced.
To better understand those skilled in the art and implementing the present invention, the embodiment of the invention also provides one kind can
Implement the browser equipment of the playback method of above-mentioned video, as shown in Figure 2.
Referring to fig. 2, the browser equipment 20 may include: receiving unit 21, generation unit 22 and broadcast unit 23,
In:
The receiving unit 21, suitable for receiving the video stream file that server is sent based on Web Socket agreement.
The generation unit 22 generates decoded view suitable for calling decoder to be decoded the video stream file
Frequency image, the decoder are the decoding program of assembly language format.
The broadcast unit 23 is suitable for playing the decoded video image.
In specific implementation, the generation unit 22 is suitable for calling the decoder to the video flowing by JS code
File is decoded, and generates decoded video image.
In the present invention one is implemented, the decoded video image is YUV image.
In specific implementation, the video stream file are as follows: coded format is video stream file H.264.
In the present invention one is implemented, the video stream file is live video stream file.
In specific implementation, the workflow and principle of the browser equipment 20 can be referred to and be provided in above-described embodiment
Method in description, details are not described herein again.
It is understood that the browser equipment 20 is referred to as other titles such as terminal device, above-mentioned name side
Formula does not constitute a limitation on the scope of protection of the present invention.
The embodiment of the present invention provides a kind of computer readable storage medium, and computer readable storage medium is non-volatile deposits
Storage media or non-transitory storage media, are stored thereon with computer instruction, and the computer instruction executes any of the above-described when running
Step corresponding to kind the method, details are not described herein again.
The embodiment of the present invention provides a kind of browser equipment, including memory and processor, is stored on the memory
The computer instruction that can be run on the processor, the processor execute any of the above-described when running the computer instruction
Step corresponding to kind the method, details are not described herein again.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (12)
1. a kind of playback method of video characterized by comprising
The video stream file that server is sent is received based on Web Socket agreement；
It calls decoder to be decoded the video stream file, generates decoded video image, the decoder is compilation
The decoding program of language format；
Play the decoded video image.
2. the playback method of video according to claim 1, which is characterized in that the calling decoder is to the video flowing
File is decoded, comprising:
The decoder is called to be decoded the video stream file by JS code.
3. the playback method of video according to claim 1, which is characterized in that the decoded video image is YUV
Image.
4. the playback method of video according to claim 1, which is characterized in that the video stream file are as follows: coded format
For video stream file H.264.
5. the playback method of video according to claim 4, which is characterized in that the video stream file is live video stream
File.
6. a kind of browser equipment characterized by comprising
Receiving unit, suitable for receiving the video stream file that server is sent based on Web Socket agreement；
Generation unit is decoded the video stream file suitable for calling decoder, generates decoded video image, described
Decoder is the decoding program of assembly language format；
Broadcast unit is suitable for playing the decoded video image.
7. browser equipment according to claim 6, which is characterized in that the generation unit is suitable for passing through JS code tune
The video stream file is decoded with the decoder, generates decoded video image.
8. browser equipment according to claim 6, which is characterized in that the decoded video image is YUV image.
9. browser equipment according to claim 6, which is characterized in that the video stream file are as follows: coded format is
H.264 video stream file.
10. browser equipment according to claim 9, which is characterized in that the video stream file is live video stream text
Part.
11. a kind of computer readable storage medium, computer readable storage medium is non-volatile memory medium or non-transient deposits
Storage media is stored thereon with computer instruction, which is characterized in that perform claim requires in 1 to 5 when the computer instruction is run
The step of any one the method.
12. a kind of browser equipment, including memory and processor, it is stored with and can transports on the processor on the memory
Capable computer instruction, which is characterized in that perform claim requires to appoint in 1 to 5 when the processor runs the computer instruction
The step of one the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825453.6A CN108966006A (en) | 2018-07-24 | 2018-07-24 | Playback method, browser equipment and the readable storage medium storing program for executing of video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825453.6A CN108966006A (en) | 2018-07-24 | 2018-07-24 | Playback method, browser equipment and the readable storage medium storing program for executing of video |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108966006A true CN108966006A (en) | 2018-12-07 |
Family
ID=64464738
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| CN201810825453.6A Pending CN108966006A (en) | 2018-07-24 | 2018-07-24 | Playback method, browser equipment and the readable storage medium storing program for executing of video |
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| CN112954457A (en) * | 2019-12-11 | 2021-06-11 | 西安诺瓦星云科技股份有限公司 | Video playing and displaying method, device and system |
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Application publication date: 20181207 |