CN108184163A - A kind of video broadcasting method, storage medium and player - Google Patents
A kind of video broadcasting method, storage medium and player Download PDFInfo
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- CN108184163A CN108184163A CN201711473749.8A CN201711473749A CN108184163A CN 108184163 A CN108184163 A CN 108184163A CN 201711473749 A CN201711473749 A CN 201711473749A CN 108184163 A CN108184163 A CN 108184163A
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Classifications
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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]
- H04N21/40—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
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
-
- 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
- H04N21/44012—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 rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
-
- 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
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
-
- 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
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
The invention discloses a kind of video broadcasting method, storage medium and player, the method includes：Video playing instruction is received, video source file to be played is read according to video playing instruction；The video source file is decoded, to obtain the corresponding picture frame sequence of video source file, wherein, described image frame sequence includes several still image frames；The picture frame that described image frame sequence includes is rendered into broadcast window successively, to play the video source file.The present invention passes through rendering and image file is rendered to broadcast window by the way that video source file decoding is generated uncompressed image file one by one, thereby may be ensured that the quality of video playing.
Description
Technical field
The present invention relates to intelligent terminal technical field, more particularly to a kind of video broadcasting method, storage medium and player.
Background technology
With yearning of the development and the people of science and technology to good life, requirement of the people to video resolution is higher and higher.
The method that existing video player plays video is generally divided into two kinds, and one kind is to use compressed media file, then whole by one
The algorithm of set conversion frequency and buffering plays to decode, and can reduce the display quality of video in this way.Another kind is using video
Stream broadcasting by network processes and plays the video flowing of continuous-stable, but video flowing can reduce video in transmission process
The quality of broadcasting influences the quality that video is shown.
Thus the prior art could be improved and improve.
Invention content
The technical problem to be solved in the present invention is, in view of the deficiencies of the prior art, provides a kind of video broadcasting method, deposits
Storage media and player, to solve the problems, such as poor video quality in existing video broadcasting method.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is as follows：
A kind of video broadcasting method, including：
Video playing instruction is received, video source file to be played is read according to video playing instruction；
The video source file is decoded, to obtain the corresponding picture frame sequence of video source file, wherein, described image frame sequence packet
Include several still image frames；
The picture frame that described image frame sequence includes is rendered into broadcast window successively, to play the video source file.
The video broadcasting method, wherein, the reception video playing instruction is read to be played according to video playing instruction
Video source file specifically include：
Video playing instruction is received, the video playing is obtained and instructs corresponding video source file；
The video source file is gradually read into memory according to the broadcasting speed of the video source file.
The video broadcasting method, wherein, it is described that the video source file is fast according to the broadcasting of the video source file
Degree is gradually read to be specifically included into memory：
The broadcasting speed of the video source file is monitored, and the video file of memory to be deposited is determined according to the broadcasting speed
Section；
The video file section is read, and the video file section read is stored in memory.
The video broadcasting method, wherein, the decoding video source file, to obtain the corresponding figure of video source file
As frame sequence specifically includes：
The type of coding of the video source file is read, and its corresponding decoder is determined according to the type of coding；
The video source file is decoded by the decoder, to obtain the corresponding picture frame sequence of the video source file.
The video broadcasting method, wherein, it is described that the video source file is decoded by the decoder, it is described to obtain
The corresponding picture frame sequence of video source file specifically includes：
The video source file is decoded by the decoder, to obtain several still image frames；
Several still image frames are stored in successively in preset image frame queue, to form picture frame sequence.
The video broadcasting method, wherein, it is described to be specially by the decoder decoding video source file：
The decoder is performed using CPU or GPU, to decode the video source file by the decoder.
The video broadcasting method, wherein, the picture frame that described image frame sequence is included renders to broadcasting successively
Window is specially to play the video source file：
The frame number of each picture frame that described image frame sequence includes is obtained respectively；
Each picture frame is rendered into the broadcast window frame by frame according to the frame number, to play the video source file.
The video broadcasting method, wherein, it is described that each picture frame is rendered into the broadcasting frame by frame according to the frame number
Window is specifically included with playing the video source file：
Obtain the corresponding playback rate of the video source file；
Each picture frame is rendered into the broadcast window according to frame number frame by frame with the playback rate, to be regarded described in broadcasting
Frequency source file.
A kind of computer readable storage medium, there are one the computer-readable recording medium storages or multiple programs,
One or more of programs can be performed by one or more processor, to realize as above any video playing side
Step in method.
A kind of player, including：Processor, memory and communication bus;Being stored on the memory can be described
The computer-readable program that processor performs；
The communication bus realizes the connection communication between processor and memory；
The processor realizes the step in as above any video frequency playback method when performing the computer-readable program
Suddenly.
Advantageous effect：Compared with prior art, the present invention provides a kind of video broadcasting method, storage medium and broadcastings
Device, the method includes：Video playing instruction is received, video source file to be played is read according to video playing instruction；Decoding
The video source file, to obtain the corresponding picture frame sequence of video source file, wherein, described image frame sequence includes several quiet
State picture frame；The picture frame that described image frame sequence includes is rendered into broadcast window successively, to play the video source file.
The present invention passes through rendering by image text by the way that video source file decoding is generated uncompressed image representation of file one by one
Part renders to broadcast window, thereby may be ensured that the quality of video playing.
Description of the drawings
Fig. 1 is the flow chart of video broadcasting method preferred embodiment provided by the invention.
Fig. 2 is the flow chart of step S10 in video broadcasting method preferred embodiment provided by the invention.
Fig. 3 is the flow chart of step S12 in video broadcasting method preferred embodiment provided by the invention.
Fig. 4 is the flow chart of step S20 in video broadcasting method preferred embodiment provided by the invention.
Fig. 5 is the flow chart of step S22 in video broadcasting method preferred embodiment provided by the invention.
Fig. 6 is the flow chart of step S30 in video broadcasting method preferred embodiment provided by the invention.
Fig. 7 is a kind of structure principle chart of player preferred embodiment provided by the invention.
Specific embodiment
The present invention provides a kind of video broadcasting method, storage medium and player, to make the purpose of the present invention, technical solution
And effect is clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this
Locate described specific embodiment only to explain the present invention, be not intended to limit the present invention.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that is used in the specification of the present invention arranges
Diction " comprising " refers to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or wireless coupling.It is used herein to arrange
Take leave whole or any cell and all combination of the "and/or" including one or more associated list items.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art
Language and scientific terminology), there is the meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless by specific definitions as here, the meaning of idealization or too formal otherwise will not be used
To explain.
Below in conjunction with the accompanying drawings, by the description of the embodiment, being described further to invention content.
Fig. 1 is please referred to, Fig. 1 is the flow chart of the preferred embodiment of video broadcasting method provided by the invention.The method
Including：
S10, video playing instruction is received, video source file to be played is read according to video playing instruction.
Specifically, the main body for receiving video playing instruction can be the mobile terminals such as mobile phone or tablet computer,
It can be the device of other broadcasting multimedia files, independent video player etc. be can also be, in the present embodiment, with described
Main body is played to be illustrated for player.The video playing instruction can be according to the behaviour input by user for playing video
Control instruction make and generate or that external equipment is sent by network to player.In addition, the play instruction can
To carry video identifier, after play instruction is received, the video identifier of its carrying is extracted, and search according to the video identifier
Its corresponding video source file.The video source file can be that player is locally stored or player is from high in the clouds
Server obtains, also, video file of the video source file for no compression.
In the present embodiment simultaneously, reading video source file to be played refers to regarding what player was locally stored
Frequency source file is read in the memory of player, in order to which decoder is decoded the file in memory.Correspondingly, such as Fig. 2
Shown, the reception video playing instruction is read video source file to be played according to video playing instruction and is specifically included：
S11, video playing instruction is received, obtains the video playing and instruct corresponding video source file；
S12, the video source file is gradually read into memory according to the broadcasting speed of the video source file.
Specifically, the broadcasting speed refers to that the video player plays the speed of the video source file.It is described
The memory current time video source file of storage can be the video source file played for player subsequent time, in this way
To meet the needs of player plays, and occupancy of the video file to memory can be reduced, avoid EMS memory occupation excessive and make
The phenomenon that into player interim card.Correspondingly, as shown in figure 3, it is described by the video source file according to the video source file
Broadcasting speed gradually reads and is specifically included into memory：
S121, the broadcasting speed for monitoring the video source file, and determine according to the broadcasting speed video of memory to be deposited
File section；
S122, the video file section is read, and the video file section read is stored in memory.
Specifically, after broadcasting speed is got, the playing progress rate of video source file can also be obtained, is broadcast according to described
Degree of putting into and broadcasting speed determine the video file section of memory to be deposited.Wherein, the playing progress rate is current time video
The playing progress rate of source file, the broadcasting speed are the speed of player plays video source file, can according to the broadcasting speed
The amount of video of video source file played so that subsequent time is determined to need, current time can be being determined according to the playing progress rate
The frame number of the video file of broadcasting, so as to determine that subsequent time needs to play according to the playing progress rate and broadcasting speed
Video frame, so as to determine the video file section of memory to be deposited according to the video frame.In addition, determining subsequent time
After needing the video file section played, the video file section is read into memory, and repeat video file section determine with
And the operation read is until video source file finishes or stops playing video source file.In addition, in the change of the present embodiment
In shape embodiment, the maximum frame number for the video file that can be stored in memory can also be pre-set, is instructed when receiving video playing
When, the video frame of the preceding maximum frame number of video source file is read in memory, in video display process, player often plays
One frame reads a frame to memory accordingly, so that the maximum video file for only preserving maximum frame number in memory.Here, it is described most
Big frame number can be 100 etc..
S20, the decoding video source file, to obtain the corresponding picture frame sequence of video source file, wherein, described image
Frame sequence includes several still image frames.
Specifically, the decoding video source file is to decode the video source file using decoder, wherein, it is described
Decoder is determined according to the type of coding of video source file.That is, before the video source file is decoded, need to obtain
The type of coding of the video source file is taken, the corresponding decoder of video source file is determined, and pass through according to the type of coding
The decoder is decoded the video source file of memory storage.In the present embodiment, the coding class of the video source file
Type can be RGB24 or YUV444 etc..Correspondingly, as shown in figure 4, described decode the video source file, to obtain video source
The corresponding picture frame sequence of file specifically includes：
S21, the type of coding for reading the video source file, and its corresponding decoder is determined according to the type of coding；
S22, the video source file is decoded by the decoder, to obtain the corresponding image frame sequence of the video source file
Row.
Specifically, it is described the video source file is decoded by decoder to refer to the video through the decoder
Source file is decoded as complete image data one by one, is denoted as picture frame.In addition, the multiple images frame that decoding obtains forms one
Picture frame sequence.Correspondingly, as shown in figure 5, described decode the video source file by the decoder, to obtain described regard
The corresponding picture frame sequence of frequency source file specifically includes：
S221, the video source file is decoded by the decoder, to obtain several still image frames；
S222, several still image frames are stored in successively in preset image frame queue, to form picture frame sequence.
Specifically, the decoder can be the decoding algorithm being pre-stored in the player, the decoding algorithm
It is corresponding with the type of coding, its corresponding decoding algorithm is being determined according to type of coding, using described in CPU or GPU execution
The video source file is converted into complete image data one by one by decoding algorithm.In addition, in the video source file
Each video frame carries frame number, so as to which when changing into picture frame one by one, described image frame also carries the frame sequence
Number, it is ranked up so as to obtain picture frame to decoding according to the frame sequence, to obtain picture frame sequence.Certainly, it is worth
Illustrate, only include one section of video source file in described image frame sequence, and the picture frame included in picture frame sequence with
It the update of playing progress rate and constantly updates.Wherein, a frame image data of image frame queue corresponds to movable in video source file
One frame image of video, i.e. a kind of tissue to motion video frame image, image frame data refer to the frame in a video file
Image data.
S30, the picture frame that described image frame sequence includes is rendered into broadcast window successively, to play the video source document
Part.
Specifically, the frame data that described image frame carries are D3D data texturings, i.e., render to the D3D data texturings
Broadcast window, and each picture frame is rendered successively according to the sequence of its frame number carried, can ensure to regard in this way
The playing sequence of frequency source file.Correspondingly, as shown in fig. 6, the picture frame that described image frame sequence is included renders successively
To broadcast window, it is specially to play the video source file：
S31, the frame number of each picture frame that described image frame sequence includes is obtained respectively；
S32, each picture frame is rendered into the broadcast window frame by frame according to the frame number, to play the video source file.
Specifically, the rendering speed is the playback rate of picture frame, so that the picture frame of the static state can be according to
The rendering speed is rendered and generates dynamic video pictures.The playback rate is pre-sets, and the broadcasting
Rate is more than 24 frames/second, this is because when image switch speed reaches the 24 frames/more than second, continuous static image can be formed
Dynamic video.In the present embodiment, the playback rate can be 30 frames/second.Correspondingly, it is described by each picture frame according to described
Frame number renders to the broadcast window frame by frame, is specifically included with playing the video source file：
Obtain the corresponding playback rate of the video source file；
Each picture frame is rendered into the broadcast window according to frame number frame by frame with the playback rate, to be regarded described in broadcasting
Frequency source file.
Specifically, the playback rate is pre-sets, and corresponding can be broadcast to its according to the video source file search
Rate is put, and the rendering speed of picture frame is controlled according to the playback rate, so that still image forms a motion video.This
Outside, during player plays video, pause input by user can be received, stop and the instructions such as returns to, and according to connecing
The video source file and Rendering operations of instruction control deposit memory received so that the player performs described instruction and corresponds to
Operation.
Based on above-mentioned video broadcasting method, the present invention also provides a kind of computer readable storage mediums, which is characterized in that
The computer-readable recording medium storage there are one either one or more of programs of multiple programs can by one or
Multiple processors perform, to realize the step in the video broadcasting method as described in above-described embodiment.
The present invention also provides a kind of player, as shown in fig. 7, it includes at least one processor（processor）20；
Display screen 21；And memory（memory）22, communication interface can also be included（Communications Interface）23
With bus 24.Wherein, processor 20, display screen 21, memory 22 and communication interface 23 can be completed each other by bus 24
Communication.Display screen 21 is set as preset user in display initial setting mode and guides interface.Communication interface 23 can be transmitted
Information.Processor 20 can call the logical order in memory 22, to perform the method in above-described embodiment.
In addition, the logical order in above-mentioned memory 22 can be realized by the form of SFU software functional unit and is used as solely
Vertical product is sold or in use, can be stored in a computer read/write memory medium.
Memory 22 is used as a kind of computer readable storage medium, may be configured as storage software program, computer can perform
Program, such as the corresponding program instruction of method or module in the embodiment of the present disclosure.Processor 30 is stored in memory by operation
Software program, instruction or module in 22 so as to perform application of function and data processing, that is, realize the side in above-described embodiment
Method.
Memory 22 may include storing program area and storage data field, wherein, storing program area can storage program area, extremely
Application program needed for a few function；Storage data field can be stored uses created data etc. according to terminal device.This
Outside, memory 22 can include high-speed random access memory, can also include nonvolatile memory.For example, USB flash disk, movement
Hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), a variety of media or transitory memory medium that can store program code such as magnetic disc or CD.
In addition, the detailed process that a plurality of instruction processing unit in above-mentioned storage medium and mobile terminal is loaded and performed exists
It has been described in detail in the above method, has just no longer stated one by one herein.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of video broadcasting method, which is characterized in that it includes：
Video playing instruction is received, video source file to be played is read according to video playing instruction；
The video source file is decoded, to obtain the corresponding picture frame sequence of video source file, wherein, described image frame sequence packet
Include several still image frames；
The picture frame that described image frame sequence includes is rendered into broadcast window successively, to play the video source file.
2. video broadcasting method according to claim 1, which is characterized in that the reception video playing instruction, according to video
Play instruction reads video source file to be played and specifically includes：
Video playing instruction is received, the video playing is obtained and instructs corresponding video source file；
The video source file is gradually read into memory according to the broadcasting speed of the video source file.
3. video broadcasting method according to claim 2, which is characterized in that described to regard the video source file according to
The broadcasting speed of frequency source file is gradually read to be specifically included into memory：
The broadcasting speed of the video source file is monitored, and the video file of memory to be deposited is determined according to the broadcasting speed
Section；
The video file section is read, and the video file section read is stored in memory.
4. video broadcasting method according to claim 1, which is characterized in that the decoding video source file, to obtain
The corresponding picture frame sequence of video source file specifically includes：
The type of coding of the video source file is read, and its corresponding decoder is determined according to the type of coding；
The video source file is decoded by the decoder, to obtain the corresponding picture frame sequence of the video source file.
5. video broadcasting method according to claim 4, which is characterized in that described that the video is decoded by the decoder
Source file is specifically included with obtaining the corresponding picture frame sequence of the video source file：
The video source file is decoded by the decoder, to obtain several still image frames；
Several still image frames are stored in successively in preset image frame queue, to form picture frame sequence.
6. the video broadcasting method according to claim 4 or 5, which is characterized in that described by described in decoder decoding
Video source file is specially：
The decoder is performed using CPU or GPU, to decode the video source file by the decoder.
7. video broadcasting method according to claim 1, which is characterized in that the image for including described image frame sequence
Frame renders to broadcast window successively, is specially to play the video source file：
The frame number of each picture frame that described image frame sequence includes is obtained respectively；
Each picture frame is rendered into the broadcast window frame by frame according to the frame number, to play the video source file.
8. video broadcasting method according to claim 7, which is characterized in that it is described by each picture frame according to the frame number by
Frame renders to the broadcast window, is specifically included with playing the video source file：
Obtain the corresponding playback rate of the video source file；
Each picture frame is rendered into the broadcast window according to frame number frame by frame with the playback rate, to be regarded described in broadcasting
Frequency source file.
9. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage there are one or
Multiple programs, one or more of programs can be performed by one or more processor, to realize such as claim 1~8
The step in video broadcasting method described in any one.
10. a kind of player, which is characterized in that including：Processor, memory and communication bus;It is stored on the memory
The computer-readable program that can be performed by the processor；
The communication bus realizes the connection communication between processor and memory；
Realize that the video frequency as described in claim 1-8 any one is broadcast when the processor performs the computer-readable program
Put the step in method.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109640192A (en) * | 2018-12-26 | 2019-04-16 | 深圳创维－Rgb电子有限公司 | Video player optimization method, device, playback terminal and storage medium |
| CN110798715A (en) * | 2019-11-18 | 2020-02-14 | 华强方特(深圳)软件有限公司 | Video playing method and system based on image string |
| CN114466238A (en) * | 2020-11-09 | 2022-05-10 | 华为技术有限公司 | Frame demultiplexing method, electronic device and storage medium |
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