CN109996104A - A kind of video broadcasting method, device and electronic equipment - Google Patents
A kind of video broadcasting method, device and electronic equipment Download PDFInfo
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- CN109996104A CN109996104A CN201910322732.5A CN201910322732A CN109996104A CN 109996104 A CN109996104 A CN 109996104A CN 201910322732 A CN201910322732 A CN 201910322732A CN 109996104 A CN109996104 A CN 109996104A
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- cache queue
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
-
- 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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Generation (AREA)
Abstract
The embodiment of the invention provides a kind of video broadcasting method, device and electronic equipments, applied to electronic equipment, the described method includes: the decoding thread of the electronic equipment decodes the first video frame after the current video frame during playing current video frame, the second video frame is obtained；Texture cache queue is written in second video frame by the decoding thread of the electronic equipment, wherein the spatial cache of the texture cache queue is not less than space shared by second video frame；The rendering thread of the electronic equipment reads second video frame from the texture cache queue, renders second video frame, obtains third video frame, and play the third video frame.As it can be seen that the technical solution provided through the embodiment of the present invention, can be improved the fluency of video playing, the video viewing experience of user is improved.
Description
Technical field
The present invention relates to multimedia technology fields, more particularly to a kind of video broadcasting method, device and electronic equipment.
Background technique
With the continuous development of computer technology, electronic equipment using more and more extensive, user often uses electronics
Equipment watches video.The detailed process of electronic equipment broadcasting video are as follows: each video frame of the electronic equipment to video to be played
Decoding operate is first carried out, then carries out Rendering operations, and then the video frame after being rendered, and plays the video frame after rendering.
However, inventor has found in the implementation of the present invention, at least there are the following problems for the prior art:
The decoding performance of electronic equipment is unstable sometimes, causes to decode some video frames when may consume longer
Between, there is Caton so as to cause video playing, video display effect is poor, thereby reduces the video viewing experience of user.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of video broadcasting method, device and electronic equipment, to solve to regard
Occur Caton, the poor technical problem of video display effect in frequency playing process.Specific technical solution is as follows:
In a first aspect, being applied to electronic equipment, the method packet the embodiment of the invention provides a kind of video broadcasting method
It includes:
During playing current video frame, the decoding thread of the electronic equipment is decoded after the current video frame
The first video frame, obtain the second video frame；
Texture cache queue is written in second video frame by the decoding thread of the electronic equipment, wherein the texture cache
The spatial cache of queue is not less than space shared by second video frame；
The rendering thread of the electronic equipment reads second video frame from the texture cache queue, renders described the
Two video frames obtain third video frame, and play the third video frame.
Optionally, the step of texture cache queue is written in the second video frame by the decoding thread of the electronic equipment, comprising:
The decoding thread of the electronic equipment is by occupying rendering thread context or sharing rendering thread context
Mode copies the second video frame to texture cache queue deeply.
Optionally, the buffer status of the texture cache queue include: can write state, readable state or just in read states.
Optionally, the step of texture cache queue is written in the second video frame by the decoding thread of the electronic equipment, comprising:
The buffer status of texture cache queue be can write state, the decoding thread of the electronic equipment writes the second video frame
Enter texture cache queue.
Optionally, the buffer status in texture cache queue be can write state when, the decoding of the electronic equipment
After the step of texture cache queue is written in second video frame by thread, the method also includes:
The decoding thread of the electronic equipment by the buffer status of the texture cache queue by can write state be changed to can
Read states.
Optionally, the rendering thread of the electronic equipment reads the step of second video frame from the texture cache queue
Suddenly, comprising:
When the buffer status of the texture cache queue is readable state, the rendering thread of the electronic equipment is from described
Second video frame is read in texture cache queue.
Optionally, the buffer status in the texture cache queue is readable state, the rendering of the electronic equipment
After the step of thread reads second video frame from the texture cache queue, the method also includes:
The buffer status of the texture cache queue is positive by the rendering thread of the electronic equipment by readable state change
In read states；
Also, in the step of rendering thread of the electronic equipment renders second video frame, obtains third video frame
Later, the method also includes:
By the buffer status of the texture cache queue by be just changed in read states can write state.
Optionally, the step of the first video frame after the decoding thread of the electronic equipment decodes the current video frame
After rapid, the method also includes:
Video frame is shown that texture cache queue is written in duration by the decoding thread of the electronic equipment, so that the electronics
The rendering thread of equipment reads the video frame from the texture cache queue and shows duration, and controls the third video frame
Playing duration is that the video frame shows duration.
Optionally, the method also includes:
After receiving fast-forward play instruction, the decoding thread of the electronic equipment obtains the fast-forward play instruction and corresponds to
The F.F. period；
The decoding thread of the electronic equipment deletes the F.F. period corresponding from the texture cache queue
Two video frames.
Second aspect, the embodiment of the invention provides a kind of video play devices, are applied to electronic equipment, described device packet
It includes:
Decoder module is used for during playing current video frame, decodes the first view after the current video frame
Frequency frame obtains the second video frame；
First writing module, for texture cache queue to be written in the second video frame, wherein the texture cache queue
Spatial cache is not less than space shared by second video frame；
Read module, for rendering second video frame from texture cache queue reading second video frame,
Third video frame is obtained, and plays the third video frame.
Optionally, the write module is specifically used for:
By way of occupying rendering thread context or shared rendering thread context, the second video frame is copied deeply
To texture cache queue.
Optionally, the buffer status of the texture cache queue include: can write state, readable state or just in read states.
Optionally, the write module is specifically used for:
Texture cache queue buffer status be can write state when, by the second video frame be written texture cache queue.
Optionally, described device further include:
First state changes module, after texture cache queue is written in the second video frame, by the texture cache
The buffer status of queue by can write state be changed to readable state.
Optionally, the read module, is specifically used for:
When the buffer status of the texture cache queue is readable state, described the is read from the texture cache queue
Two video frames.
Optionally, described device further include:
Second state change module is specifically used for after reading second video frame from the texture cache queue, by institute
The buffer status for stating texture cache queue is changed to just by readable state in read states；
Also, described device further include:
The third state changes module, for after obtaining third video frame, by the caching shape of the texture cache queue
State is by be just changed in read states can write state.
Optionally, described device further include:
Second writing module obtains the second video frame for the first video frame after decoding the current video frame
Later, video frame is shown that texture cache queue is written in duration, so that the rendering thread of the electronic equipment is from the texture
Buffer queue reads the video frame and shows duration, and the playing duration for controlling the third video frame is that the video frame is shown
Duration.
Optionally, described device further include:
Period obtains module, corresponding for after receiving fast-forward play instruction, obtaining the fast-forward play instruction
The F.F. period；
Video frame removing module, for deleting the F.F. period corresponding second view from the texture cache queue
Frequency frame.
The third aspect, the embodiment of the invention also provides a kind of electronic equipment, including processor, communication interface, memory
And communication bus, wherein processor, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes video broadcasting method described in first aspect.
At the another aspect that the present invention is implemented, a kind of computer readable storage medium is additionally provided, it is described computer-readable
Instruction is stored in storage medium, when run on a computer, so that computer executes video described in first aspect and broadcasts
Put method.
At the another aspect that the present invention is implemented, the embodiment of the invention also provides a kind of, and the computer program comprising instruction is produced
Product, when run on a computer, so that computer executes video broadcasting method described in first aspect.
Technical solution provided in an embodiment of the present invention synchronizes, in a frame during video playing in order to guarantee that sound is drawn
After presentation of video frames comes out, it will usually stop display a period of time.Therefore, during playing current video frame, that is, working as
During preceding video frame stops display, the decoding thread of electronic equipment can decode the first video after current video frame
Frame obtains the second video frame；And texture cache queue is written into the second video frame；The rendering thread of electronic equipment can be from texture
Buffer queue reads the second video frame, renders the second video frame, obtains third video frame, and play third video frame.
As it can be seen that the technical solution provided through the embodiment of the present invention, while current video frame is stopped and shown, electronics is set
Standby decoding thread can decode the first video frame after current video frame, and the second video frame that decoding obtains is stored in
In texture cache queue, it can be stored with the video frame decoded in advance in such texture cache queue, therefore, in electronic equipment
When decoding performance is unstable, electronic equipment can use the video frame being stored in advance in texture cache queue and be buffered, i.e.,
The rendering thread of electronic equipment can obtain the video frame decoded from texture cache queue, so as to improve video playing
Fluency, can also be improved the video viewing experience of user.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 is a kind of flow chart of video broadcasting method provided by the embodiment of the present invention；
Fig. 2 is the flow chart of another kind video broadcasting method provided by the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of video play device provided by the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided by the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is described.
With the continuous development of computer technology, electronic equipment using more and more extensive, user often uses electronics
Equipment watches video.The detailed process of electronic equipment broadcasting video are as follows: each video frame of the electronic equipment to video to be played
Decoding operate is first carried out, then carries out Rendering operations, and then the video frame after being rendered, and plays the video frame after rendering.
However, in practical applications, the decoding performance of electronic equipment is unstable sometimes, for example, for some low side electricity
For sub- equipment and the electronic equipment for not supporting adaptive code stream to switch, decoding performance is unstable sometimes, causes to decode
Some video frames may consume longer time, Caton occur so as to cause video playing, video display effect is poor, in turn
Reduce the video viewing experience of user.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of video broadcasting method, device and electronics to set
It is standby, to improve the fluency of video playing, improve the video viewing experience of user.
A kind of video broadcasting method provided in an embodiment of the present invention is described in detail first below.
Wherein, a kind of video broadcasting method provided in an embodiment of the present invention is applied to electronic equipment, which can be with
It is mobile phone, plate and computer etc., the embodiment of the present invention is not specifically limited electronic equipment.
As shown in Figure 1, a kind of video broadcasting method provided in an embodiment of the present invention, is applied to electronic equipment, the method
Include:
S110, during playing current video frame, after the decoding thread decoding current video frame of electronic equipment
First video frame obtains the second video frame.
It is synchronized to guarantee that sound is drawn, after a frame presentation of video frames comes out, it will usually stop display a period of time.It is playing
During current video frame, i.e., during current video frame stops display, the decoding thread of electronic equipment, which can decode, works as
Video frame after preceding video frame, for the convenience of description, the video frame after the current video frame can be known as the first video
Frame, and the video frame that decoding obtains is known as the second video frame.
It is understood that the first video frame can be the frame video frame after current video frame, alternatively, current video
A few frame video frames after frame, the frame number of the first video frame is determines according to actual conditions.Current video frame stops the time of display
Longer, the frame number that the decoding thread of electronic equipment is capable of decoded first video frame is more.
Texture cache queue is written in second video frame by the decoding thread of S120, electronic equipment, wherein texture cache queue
Spatial cache not less than space shared by the second video frame.
Wherein, texture cache queue is a buffer area in video memory, is stored in the texture cache queue to be rendered
Video frame, i.e., the second video frame in storage in the texture cache queue.The texture cache queue can be by the first of electronic equipment
Thread is established, this is all reasonable.For example, what the decoding thread that the texture cache queue can be electronic equipment was established, specifically
, what the decoding thread which can be electronic equipment pre-established, it is also possible to the decoding line of electronic equipment
What journey obtained establishing after the second video frame, this is all reasonable.Also, since texture cache queue is for storing the second video
Frame, therefore, the spatial cache of texture cache queue is not less than space shared by the second video frame.
After electronic equipment obtains the second video frame, texture cache queue, such texture cache is written into the second video frame
It can be stored with the video frame decoded in advance in queue, be conducive in subsequent step, it is unstable in the decoding performance of electronic equipment
When, electronic equipment can use the video frame being stored in advance in texture cache queue and be buffered, i.e. the rendering of electronic equipment
Thread can obtain the video frame decoded from texture cache queue.
It should be noted that the decoding thread that texture cache queue can be electronic equipment pre-established, it is also possible to
What the decoding thread of electronic equipment obtained establishing after the second video frame.Since texture cache queue is for storing the second video frame,
Therefore, the cache size of texture cache queue is more than or equal to the size of the second video frame.
In one embodiment, the step of texture cache queue is written in the second video frame by the decoding thread of electronic equipment
Suddenly, may include:
The decoding thread of electronic equipment by way of occupying rendering thread context or shared rendering thread context,
Copy the second video frame to texture cache queue deeply.
In this embodiment, the decoding thread of electronic equipment is by occupying rendering thread context or shared rendering line
The mode of journey context copies the second video frame to texture cache queue deeply, in this way, the rendering thread of electronic equipment can be real
The video frame decoded is stored in Shi get Zhi texture cache queue, the rendering thread of electronic equipment can be from texture cache queue
Obtain the video frame decoded.
The rendering thread of S130, electronic equipment read the second video frame from texture cache queue, render the second video frame, obtain
To third video frame, and play third video frame.
After texture cache queue is written in second video frame by the rendering thread of electronic equipment, since the second video frame is electronics
The video frame obtained after the decoding thread decoding of equipment, therefore, the rendering thread of electronic equipment can be read from texture cache queue
The second video frame is taken, the second video frame is rendered, obtains third video frame, and play third video frame.
Also, in the present solution, since the video frame decoded being stored in texture cache queue in advance, that is to say, that
The video frame decoded i.e. the second video frame is stored in advance in video memory, in this way, the rendering thread of electronic equipment is in rendering the
When two video frames, the second video frame can be directly obtained from video memory, and is not had to as the prior art, and electronic equipment is rendering
When video frame, need to obtain video frame from memory.It will be appreciated by persons skilled in the art that the rendering thread of electronic equipment
It is greater than the speed that video frame is obtained from memory from the speed for obtaining video frame in video memory, it is seen then that implement mention through the invention
The speed of rendering thread render video frame can be improved in the technical solution of confession.
As it can be seen that the technical solution provided through the embodiment of the present invention, while current video frame is stopped and shown, electronics is set
Standby decoding thread can decode the first video frame after current video frame, and the second video frame that decoding obtains is stored in
In texture cache queue, it can be stored with the video frame decoded in advance in such texture cache queue, therefore, in electronic equipment
When decoding performance is unstable, electronic equipment can use the video frame being stored in advance in texture cache queue and be buffered, i.e.,
The rendering thread of electronic equipment can obtain the video frame decoded from texture cache queue, to improve video playing
Fluency improves the video viewing experience of user.
It is illustrated to be provided for the embodiments of the invention video broadcasting method in further detail, the embodiment of the present invention
Additionally provide another video broadcasting method.
It should be noted that the buffer status of texture cache queue may include that write state, readable state or can read
State.Wherein, can write state be used to indicate that decoded view can be written to texture cache queue in the decoding thread of electronic equipment
Frequency frame；Readable state is used to indicate that the rendering thread of electronic equipment can to read the video frame decoded from texture cache queue；
Just it is used to indicate that the rendering thread of electronic equipment to read the video frame decoded from texture cache queue in read states.
As shown in Fig. 2, another kind video broadcasting method provided by the embodiment of the present invention, may include:
S210, during playing current video frame, after the decoding thread decoding current video frame of electronic equipment
First video frame obtains the second video frame.
Since the S210 of embodiment illustrated in fig. 2 and the S110 of embodiment illustrated in fig. 1 are identical, the embodiment of the present invention pair
S210 is not specifically limited.
S220, the buffer status of texture cache queue be can write state when, the decoding thread of electronic equipment is by the second view
Texture cache queue is written in frequency frame.
The decoding thread of electronic equipment may determine that texture cache queue caching whether be can write state, if texture is slow
Deposit queue buffer status be can write state, illustrate electronic equipment decoding thread can to texture cache queue be written it is decoded
Texture cache queue can be written in second video frame by video frame, therefore, the decoding thread of electronic equipment.
S230, the decoding thread of electronic equipment by the buffer status of texture cache queue by can write state be changed to readable shape
State.
After texture cache queue is written in second video frame by the decoding thread of electronic equipment, illustrate in texture cache queue
There may be the video frame decoded, the rendering thread of electronic equipment can obtain the video decoded from texture cache queue
Frame, therefore, the decoding thread of electronic equipment can by the buffer status of texture cache queue by can write state be changed to readable shape
State.
S240, when the buffer status of texture cache queue is readable state, the rendering thread of electronic equipment is slow from texture
It deposits queue and reads the second video frame.
The rendering thread of electronic equipment may determine that whether the buffer status of texture cache queue is readable state, if line
The buffer status for managing buffer queue is readable state, illustrates to be stored with the video frame decoded in texture cache queue, therefore, electricity
The rendering thread of sub- equipment can read the second video frame from texture cache queue.
The buffer status of texture cache queue is changed to reading by the rendering thread of S250, electronic equipment by readable state
State.
During the rendering thread of electronic equipment reads the second video frame from texture cache queue, texture can be delayed
The buffer status for depositing queue is changed to just by readable state in read states.
The rendering thread of S260, electronic equipment render the second video frame, obtain third video frame.
The rendering thread of electronic equipment carries out the second video frame after obtaining the second video frame from texture cache queue
Rendering operations obtain third video frame.Wherein, during electronic equipment renders the second video frame, texture cache queue
Buffer status is constantly in just in read states, and during this, the decoding thread of electronic equipment will not be write to texture cache queue
Enter the second video frame.
The buffer status of texture cache queue is changed to by just in read states writeable by S270, the rendering thread of electronic equipment
State.
The second video frame is rendered in the rendering thread of electronic equipment, after obtaining third video frame, electronic equipment
Rendering thread can be by the buffer status of texture cache queue by be just changed in read states can write state.
The rendering thread of S280, electronic equipment play third video frame.
The rendering thread of electronic equipment synchronizes, third video during playing third video frame in order to guarantee that sound is drawn
Frame can stop display a period of time, during this period of time, the buffer status of texture cache queue be can write state, at this point, electronics
The video frame decoded can be written to texture cache queue in the decoding thread of equipment.
As it can be seen that the technical solution provided through the embodiment of the present invention, while current video frame is stopped and shown, electronics is set
Standby decoding thread can decode the first video frame after current video frame, and the second video frame that decoding obtains is stored in
In texture cache queue, it can be stored with the video frame decoded in advance in such texture cache queue, therefore, in electronic equipment
When decoding performance is unstable, electronic equipment can use the video frame being stored in advance in texture cache queue and be buffered, i.e.,
The rendering thread of electronic equipment can obtain the video frame decoded from texture cache queue, so as to improve video playing
Fluency, can also be improved the video viewing experience of user.
Also, not only texture cache queue can be written in the second video frame by the decoding thread of electronic equipment, can also be incited somebody to action
Video frame shows that texture cache queue is written in duration.In one embodiment, current in the decoding thread decoding of electronic equipment
After the step of the first video frame after video frame, video broadcasting method can also include:
Video frame is shown that texture cache queue is written in duration by the decoding thread of electronic equipment, so that the wash with watercolours of electronic equipment
It contaminates thread and reads video frame display duration from texture cache queue, and the playing duration for controlling third video frame is that video frame is shown
Duration.
In this embodiment, video frame is shown that texture cache queue is written in duration by the decoding thread of electronic equipment, this
Sample, the rendering thread of electronic equipment can not only read the second video frame from texture cache queue, can also be from texture cache
Queue reads video frame and shows duration, and the playing duration for controlling third video frame is that video frame shows duration, i.e. third video
The period that frame stops display is that video frame shows duration.
Moreover, in practical applications, user, may fast-forward play view during using electronic equipment viewing video
Frequency or pause play video.In one embodiment, video broadcasting method can also include:
After receiving fast-forward play instruction, when the decoding thread of electronic equipment obtains fast-forward play instruction corresponding F.F.
Between section；
The decoding thread of electronic equipment deletes F.F. period corresponding second video frame from texture cache queue.
In this embodiment, electronic equipment sends fast-forward play instruction, electricity to electronic equipment in fast-forward play video
After receiving fast-forward play instruction, the decoding thread of electronic equipment obtains fast-forward play and instructs the corresponding F.F. time sub- equipment
Section, and F.F. period corresponding second video frame is deleted from texture cache queue, be conducive to electronic equipment so accurately
Video is played, and then improves the viewing experience of user.For example, the currently playing moment is the 100th second, fast-forward play instruction pair
The F.F. period answered is the 100th second to the 200th second, and therefore, the decoding thread of electronic equipment is deleted from texture cache queue
100th second to the 200th second corresponding second time period.
After receiving pause play instruction, rendering thread stops reading the second video from texture cache queue electronic equipment
Frame and stopping the second video frame of rendering, and decode thread and stop the first video frame of decoding and stop to texture cache queue write-in
Second video frame.
Second aspect, the embodiment of the invention provides a kind of video play devices, are applied to electronic equipment, as shown in figure 3,
Described device includes:
Decoder module 310, for decoding first after the current video frame during playing current video frame
Video frame obtains the second video frame；
First writing module 320, for texture cache queue to be written in the second video frame, wherein the texture cache team
The spatial cache of column is not less than space shared by second video frame；
Read module 330 renders second video for reading second video frame from the texture cache queue
Frame obtains third video frame, and plays the third video frame.
As it can be seen that the technical solution provided through the embodiment of the present invention, while current video frame is stopped and shown, electronics is set
Standby decoding thread can decode the first video frame after current video frame, and the second video frame that decoding obtains is stored in
In texture cache queue, it can be stored with the video frame decoded in advance in such texture cache queue, therefore, in electronic equipment
When decoding performance is unstable, electronic equipment can use the video frame being stored in advance in texture cache queue and be buffered, i.e.,
The rendering thread of electronic equipment can obtain the video frame decoded from texture cache queue, so as to improve video playing
Fluency, the video viewing experience of user can also be improved.
Optionally, the write module is specifically used for:
By way of occupying rendering thread context or shared rendering thread context, the second video frame is copied deeply
To texture cache queue.
Optionally, the buffer status of the texture cache queue include: can write state, readable state or just in read states.
Optionally, the write module is specifically used for:
Texture cache queue buffer status be can write state when, by the second video frame be written texture cache queue.
Optionally, described device further include:
First state changes module, after texture cache queue is written in the second video frame, by the texture cache
The buffer status of queue by can write state be changed to readable state.
Optionally, the read module, is specifically used for:
When the buffer status of the texture cache queue is readable state, described the is read from the texture cache queue
Two video frames.
Optionally, described device further include:
Second state change module is specifically used for after reading second video frame from the texture cache queue, by institute
The buffer status for stating texture cache queue is changed to just by readable state in read states；
Also, described device further include:
The third state changes module, for after obtaining third video frame, by the caching shape of the texture cache queue
State is by be just changed in read states can write state.
Optionally, described device further include:
Second writing module obtains the second video frame for the first video frame after decoding the current video frame
Later, video frame is shown that texture cache queue is written in duration, so that the rendering thread of the electronic equipment is from the texture
Buffer queue reads the video frame and shows duration, and the playing duration for controlling the third video frame is that the video frame is shown
Duration.
Optionally, described device further include:
Period obtains module, corresponding for after receiving fast-forward play instruction, obtaining the fast-forward play instruction
The F.F. period；
Video frame removing module, for deleting the F.F. period corresponding second view from the texture cache queue
Frequency frame.
The third aspect, the embodiment of the invention also provides a kind of electronic equipment, as shown in figure 4, including processor 401, logical
Believe interface 402, memory 403 and communication bus 404, wherein processor 401, communication interface 402, memory 403 pass through communication
Bus 404 completes mutual communication,
Memory 403, for storing computer program；
Processor 401 when for executing the program stored on memory 403, realizes that video described in first aspect is broadcast
Put method.
The communication bus that above-mentioned electronic equipment is mentioned can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, abbreviation EISA) bus etc..The communication bus can be divided into address bus, data/address bus, control bus etc..
Only to be indicated with a thick line in figure, it is not intended that an only bus or a type of bus convenient for indicating.
Communication interface is for the communication between above-mentioned electronic equipment and other equipment.
Memory may include random access memory (Random Access Memory, abbreviation RAM), also may include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.Optionally, memory may be used also
To be storage device that at least one is located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
Abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital Signal Processing, abbreviation DSP), specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field-Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
As it can be seen that the technical solution provided through the embodiment of the present invention, while current video frame is stopped and shown, electronics is set
Standby decoding thread can decode the first video frame after current video frame, and the second video frame that decoding obtains is stored in
In texture cache queue, it can be stored with the video frame decoded in advance in such texture cache queue, therefore, in electronic equipment
When decoding performance is unstable, electronic equipment can use the video frame being stored in advance in texture cache queue and be buffered, i.e.,
The rendering thread of electronic equipment can obtain the video frame decoded from texture cache queue, so as to improve video playing
Fluency, the video viewing experience of user can also be improved.
Fourth aspect additionally provides a kind of computer readable storage medium in another embodiment provided by the invention, should
Instruction is stored in computer readable storage medium, when run on a computer, so that computer executes above-described embodiment
In any video broadcasting method.
As it can be seen that the technical solution provided through the embodiment of the present invention, while current video frame is stopped and shown, electronics is set
Standby decoding thread can decode the first video frame after current video frame, and the second video frame that decoding obtains is stored in
In texture cache queue, it can be stored with the video frame decoded in advance in such texture cache queue, therefore, in electronic equipment
When decoding performance is unstable, electronic equipment can use the video frame being stored in advance in texture cache queue and be buffered, i.e.,
The rendering thread of electronic equipment can obtain the video frame decoded from texture cache queue, so as to improve video playing
Fluency, the video viewing experience of user can also be improved.
5th aspect, in another embodiment provided by the invention, additionally provides a kind of computer program comprising instruction
Product, when run on a computer, so that computer executes any video broadcasting method in above-described embodiment.
As it can be seen that the technical solution provided through the embodiment of the present invention, while current video frame is stopped and shown, electronics is set
Standby decoding thread can decode the first video frame after current video frame, and the second video frame that decoding obtains is stored in
In texture cache queue, it can be stored with the video frame decoded in advance in such texture cache queue, therefore, in electronic equipment
When decoding performance is unstable, electronic equipment can use the video frame being stored in advance in texture cache queue and be buffered, i.e.,
The rendering thread of electronic equipment can obtain the video frame decoded from texture cache queue, so as to improve video playing
Fluency, the video viewing experience of user can also be improved.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program
Product includes one or more computer instructions.When loading on computers and executing the computer program instructions, all or
It partly generates according to process or function described in the embodiment of the present invention.The computer can be general purpose computer, dedicated meter
Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium
In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
User's line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or
Data center is transmitted.The computer readable storage medium can be any usable medium that computer can access or
It is comprising data storage devices such as one or more usable mediums integrated server, data centers.The usable medium can be with
It is magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk
Solid State Disk (SSD)) etc..
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device,
For electronic equipment, storage medium and computer program product embodiments, since it is substantially similar to the method embodiment, so retouching
That states is fairly simple, and the relevent part can refer to the partial explaination of embodiments of method.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (19)
1. a kind of video broadcasting method, which is characterized in that be applied to electronic equipment, which comprises
During playing current video frame, the decoding thread of the electronic equipment decodes after the current video frame
One video frame obtains the second video frame；
Texture cache queue is written in second video frame by the decoding thread of the electronic equipment, wherein the texture cache queue
Spatial cache not less than space shared by second video frame；
The rendering thread of the electronic equipment reads second video frame from the texture cache queue, renders second view
Frequency frame obtains third video frame, and plays the third video frame.
2. the method according to claim 1, wherein the decoding thread of the electronic equipment writes the second video frame
The step of entering texture cache queue, comprising:
The decoding thread of the electronic equipment by way of occupying rendering thread context or shared rendering thread context,
Copy the second video frame to texture cache queue deeply.
3. the method according to claim 1, wherein the buffer status of the texture cache queue includes: writeable
State, readable state or just in read states.
4. according to the method described in claim 3, it is characterized in that, the decoding thread of the electronic equipment writes the second video frame
The step of entering texture cache queue, comprising:
Texture cache queue buffer status be can write state when, the decoding thread of the electronic equipment writes the second video frame
Enter texture cache queue.
5. according to the method described in claim 4, it is characterized in that, being writeable in the buffer status in texture cache queue
When state, after the step of texture cache queue is written in the second video frame by the decoding thread of the electronic equipment, the method
Further include:
The decoding thread of the electronic equipment by the buffer status of the texture cache queue by can write state be changed to readable shape
State.
6. according to the method described in claim 3, it is characterized in that, the rendering thread of the electronic equipment is from the texture cache
The step of second video frame, is read in queue, comprising:
When the buffer status of the texture cache queue is readable state, the rendering thread of the electronic equipment is from the texture
Buffer queue reads second video frame.
7. according to the method described in claim 6, it is characterized in that, the buffer status in the texture cache queue is can
After the step of read states, the rendering thread of the electronic equipment reads second video frame from the texture cache queue,
The method also includes:
The buffer status of the texture cache queue is changed to reading by the rendering thread of the electronic equipment by readable state
State；
Also, after the step of rendering thread of the electronic equipment renders second video frame, obtains third video frame,
The method also includes:
By the buffer status of the texture cache queue by be just changed in read states can write state.
8. method according to any one of claims 1 to 7, which is characterized in that in the decoding thread solution of the electronic equipment
After the step of the first video frame after the code current video frame, the method also includes:
Video frame is shown that texture cache queue is written in duration by the decoding thread of the electronic equipment, so that the electronic equipment
Rendering thread read the video frame from the texture cache queue and show duration, and control the broadcasting of the third video frame
Video frame described in Shi Changwei shows duration.
9. method according to any one of claims 1 to 7, which is characterized in that the method also includes:
After receiving fast-forward play instruction, it is corresponding fast that the decoding thread of the electronic equipment obtains the fast-forward play instruction
Into the period；
The decoding thread of the electronic equipment deletes the F.F. period corresponding second view from the texture cache queue
Frequency frame.
10. a kind of video play device, which is characterized in that be applied to electronic equipment, described device includes:
Decoder module, for decoding the first video frame after the current video frame during playing current video frame,
Obtain the second video frame；
First writing module, for texture cache queue, the cache size of the texture cache queue to be written in the second video frame
More than or equal to the size of second video frame；
Read module renders second video frame, obtains for reading second video frame from the texture cache queue
Third video frame, and play the third video frame.
11. device according to claim 10, which is characterized in that the write module is specifically used for:
By way of occupying rendering thread context or shared rendering thread context, the second video frame is copied to line deeply
Manage buffer queue.
12. device according to claim 10, which is characterized in that the buffer status of the texture cache queue includes: can
Write state, readable state or just in read states.
13. device according to claim 12, which is characterized in that the write module is specifically used for:
Texture cache queue buffer status be can write state when, by the second video frame be written texture cache queue.
14. device according to claim 12, which is characterized in that described device further include:
First state changes module, after texture cache queue is written in the second video frame, by the texture cache queue
Buffer status by can write state be changed to readable state.
15. device according to claim 12, which is characterized in that the read module is specifically used for:
When the buffer status of the texture cache queue is readable state, second view is read from the texture cache queue
Frequency frame.
16. device according to claim 15, which is characterized in that described device further include:
Second state change module, is specifically used for: after texture cache queue reading second video frame, by the line
The buffer status of reason buffer queue is changed to just by readable state in read states；
Also, described device further include:
The third state changes module, for after obtaining third video frame, by the buffer status of the texture cache queue by
Just being changed in read states can write state.
17. device according to any one of claims 10 to 16, which is characterized in that described device further include:
Second writing module, for the first video frame after decoding the current video frame, after obtaining the second video frame,
Video frame is shown that texture cache queue is written in duration, so that the rendering thread of the electronic equipment is from the texture cache team
Column read the video frame and show duration, and the playing duration for controlling the third video frame is that the video frame shows duration.
18. device according to any one of claims 10 to 16, which is characterized in that described device further include:
Period obtains module, for obtaining the fast-forward play and instructing corresponding F.F. after receiving fast-forward play instruction
Period；
Video frame removing module, for deleting the F.F. period corresponding second video from the texture cache queue
Frame.
19. a kind of electronic equipment, which is characterized in that including processor, communication interface, memory and communication bus, wherein processing
Device, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes any method and step of claim 1-9.
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