CN104113778B - A kind of method for decoding video stream and device - Google Patents
A kind of method for decoding video stream and device Download PDFInfo
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- CN104113778B CN104113778B CN201410377484.1A CN201410377484A CN104113778B CN 104113778 B CN104113778 B CN 104113778B CN 201410377484 A CN201410377484 A CN 201410377484A CN 104113778 B CN104113778 B CN 104113778B
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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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
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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
-
- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
Abstract
The embodiment of the invention discloses a kind of method for decoding video stream and device, a kind of method for decoding video stream, including：Whether detection digital signal processor DSP buffering area is in undersaturated condition, and the DSP buffering areas are used for buffered video frame data；If it is, blank frame EOS is inserted into DSP buffering areas, until DSP buffering areas reach saturation state；Frame data in DSP buffering areas are decoded.Using above-mentioned technical proposal, it is in DSP buffering areas in undersaturated condition, DSP buffering areas in the case that residual video stream can not be immediately decoded, the embodiment of the present invention can use the method that the blank frame for not influenceing video render effect is inserted into DSP buffering areas, the DSP buffering areas are made to be rapidly achieved saturation state, then the frame data comprising above-mentioned residual video stream are decoded, realize on the basis of the partial video stream follow-up play effect is not influenceed, the decoding immediately to above-mentioned residual video flow data.
Description
Technical field
The present invention relates to stream media technology field, more particularly to a kind of method for decoding video stream and device.
Background technology
To reduce the unstable influence brought to decoding video stream of network environment, before being decoded to video flowing, tool
The electronic equipment for having decoding video stream function locally would generally pre-establish video stream buffer area, such as H.264 delaying in Fig. 1
Rush area；In addition, being reasonable distribution CPU (Central Processing Unit, central processing unit) resource, the electronic equipment leads to
Video flowing is solved firmly frequently with DSP (Digital Signal Processor, digital signal processor), wherein, the DSP
There is input block inside, describes for convenience, it is referred to as into DSP buffering areas here.
In the prior art, video decoding process delays first as shown in figure 1, when network video stream reaches the electronic equipment
The H.264 buffering area pre-established is stored to, the video flowing H.264 in buffering area is cached to DSP buffering areas afterwards, treats that DSP is buffered
When video flowing is full of in area, it will be decoded immediately in the DSP decoders in the pushing video streaming in DSP buffering areas to DSP.
However, because the video flowing in DSP buffering areas can only derive from H.246 buffering area, video flowing hair in a network
In the case of raw blocking, network video stream can not constantly be cached to H.246 buffering area, H.264 the video flowing in buffering area
It will soon be depleted, and DSP buffering areas are it is possible to be filled, now, the video flowing remained in DSP buffering areas can not be by
Decode immediately, when only waiting other video flowings in H.264 buffering area to fill up the DSP buffering areas, this part residual
Video flowing can be decoded, and this results in residual video stream in DSP buffering areas and is delayed by decoding.
The content of the invention
In order to solve the above problems, the embodiment of the invention discloses a kind of method for decoding video stream and device, particular technique
Scheme is as follows：
A kind of method for decoding video stream, including：
Whether detection digital signal processor DSP buffering area is in undersaturated condition, wherein, the DSP buffering areas are used for
Buffered video frame data；
If it is, blank frame EOS is inserted into DSP buffering areas, until the DSP buffering areas reach saturation state；
Frame data in DSP buffering areas are decoded.
Preferably, before whether the detection digital signal processor DSP buffering area is in undersaturated condition, also wrap
Include：
Whether detection currently has video stream data to be cached to the DSP buffering areas, if it is not, then performing the detection numeral
Whether signal processor DSP buffering areas are in undersaturated condition, wherein, the video stream data is：The video counts pre-established
According to the video requency frame data in buffering area, the video data buffer pre-established, which is used to cache, derives from webserver side
Video requency frame data.
Preferably, whether the detection digital signal processor DSP buffering area is in undersaturated condition, including：
Whether detection DSP buffering areas are in undersaturated condition in real time；
Or
According to default detection cycle, periodically detect whether DSP buffering areas are in undersaturated condition.
Preferably, whether the detection digital signal processor DSP buffering area is in undersaturated condition, including：
Whether the duration that detection DSP buffering areas are in undersaturated condition exceedes default threshold value.
Preferably, whether the detection digital signal processor DSP buffering area is in undersaturated condition, including：
Detect with the presence or absence of the video requency frame data in the video data buffer pre-established in DSP buffering areas, and
It is not full of by video requency frame data.
Preferably, the frame data in DSP buffering areas decode, including：
The frame of video for carrying network identity in DSP buffering areas is decoded, it is described to carry regarding for network identity
Frequency frame is the frame data from the video stream buffer area pre-established.
A kind of decoding video stream device, including：
First detection module, for detecting whether digital signal processor DSP buffering area is in undersaturated condition, wherein,
The DSP buffering areas are used for buffered video frame data；
Blank frame fills module, in the case of being in the testing result of the first detection module, is buffered to DSP
Blank frame EOS is inserted in area, until the DSP buffering areas reach saturation state；
Decoder module, for being decoded to the frame data in DSP buffering areas.
Preferably, the device also includes：
Second detection module, currently whether there is video stream data to be cached to the DSP buffering areas for detecting, and detecting
As a result in the case of being no, trigger the first detection module and be operated, wherein, the video stream data is：Pre-establish
Video data buffer in video requency frame data, the video data buffer pre-established be used for cache derives from network
The video requency frame data of server side.
Preferably, the first detection module, is specifically used for：
Whether detection DSP buffering areas are in undersaturated condition in real time；
Or
According to default detection cycle, periodically detect whether DSP buffering areas are in undersaturated condition.
Preferably, the first detection module, is specifically used for：
Whether the duration that detection DSP buffering areas are in undersaturated condition exceedes default threshold value.
Preferably, the first detection module, is specifically used for：
Detect with the presence or absence of the video requency frame data in the video data buffer pre-established in DSP buffering areas, and
It is not full of by video requency frame data.
Preferably, the decoder module, is specifically used for：
The frame of video for carrying network identity in DSP buffering areas is decoded, it is described to carry regarding for network identity
Frequency frame is the frame data from the video stream buffer area pre-established.
The embodiment of the present invention is covered in frame of video to be played by introducing but not influences the video frame display to be played
The blank frame of effect, and the type blank frame is inserted into the technology of DSP buffering areas, it is in not in DSP buffering areas so as to realize
In the case of saturation state, the residual video stream in DSP buffering areas is decoded immediately, specific implementation step is as follows：In DSP
Buffer area is in the case of undersaturated condition, blank frame can be inserted to the DSP buffering areas, until the DSP buffering areas reach full
And state；Frame data in DSP buffering areas are decoded.
Compared with prior art, being in undersaturated condition, DSP buffering areas residual video stream in DSP buffering areas can not be by
In the case of decoding immediately, the embodiment of the present invention, which can use to insert into DSP buffering areas, does not influence video render effect
The method of blank frame, the DSP buffering areas is rapidly achieved saturation state, then the frame data comprising above-mentioned residual video stream are entered
Row decoding, is realized on the basis of the partial video stream follow-up play effect is not influenceed, to above-mentioned residual video flow data
Decode immediately.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the exemplary process diagram of method for decoding video stream in the prior art；
Fig. 2 a are a kind of flow chart of method for decoding video stream provided in an embodiment of the present invention；
Fig. 2 b are a kind of exemplary process diagram of method for decoding video stream provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another method for decoding video stream provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of decoding video stream device provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another decoding video stream device provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, implement below in conjunction with the present invention
Accompanying drawing in example, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
With the fast development of network multimedia technology, the network multimedia file of diversification enrich constantly people's vision and
Auditory perception；The appearance of Streaming Media (such as video flowing, audio stream etc.) so that user is such not necessarily like non-stream broadcast mode,
Content therein could be watched after whole multimedia file is fully downloaded to playback equipment local；And it need to only pass through several seconds or several
The transmission delay of ten seconds can be decoded and played to it on playback equipment, and it is that user brings new audiovisual experience.
As a kind of existence form of video, video flowing the network transmission of the video file, the decoding of playback equipment and
Play the role of in terms of broadcasting important.In order to make it easy to understand, the existing playing process to video flowing is briefly described：Receiving
After the video flowing sent to webserver side, the video flowing is cached to the video stream buffer pre-established by playback equipment first
Area's (such as H.264 buffering area in Fig. 1), is cached to DSP buffering areas, then to the network side video by the video flowing again afterwards
Stream is decoded and played, in order to be played in real time to the webserver side video stream cached in DSP buffering areas, this
Inventive embodiments provide a kind of method for decoding video stream and device.
A kind of method for decoding video stream provided in an embodiment of the present invention is introduced first below.
It should be noted that present invention method is suitable for electronic equipment, and in actual applications, the electronic equipment
Can be that notebook computer, desktop computer, tablet personal computer, and smart mobile phone etc., the embodiment of the present invention are not construed as limiting to this；
Further, since in the market H.264 the Video coding mode of main flow is, and four kinds of image quality rank BP H.264
(Baseline Profile, basic image quality), EP (Extended Profile, advanced image quality), MP (Main Profile, master
Flow image quality), BP is the most basic in HP (High Profile, advanced image quality), will focus in full using the BP video flowings in H.264 as
Present invention method is introduced example.
As shown in Figure 2 a, a kind of method for decoding video stream, can include：
Whether S201, detection digital signal processor DSP buffering area are in undersaturated condition；If it is, go to S202.
Under normal circumstances, input buffering is included in DSP (Digital Signal Processor, digital signal processor)
Area and output buffer, for the ease of description, in embodiments of the present invention, by the input block abbreviation of digital signal processor
For DSP buffering areas, its main function is to carry out temporary cache to entering DSP video requency frame data.
In order to which in the situation of unstable networks, (for example network shakiness causes the H.264 video flowing of webserver side
Can moment pour in playback equipment) under normal work, it will usually one piece is opened up in the driving of video playback apparatus or hardware in advance
Video stream buffer area, carry out H.264 video stream data of the temporary cache from webserver side, for the ease of description, in this hair
In bright embodiment, the video stream buffer area opened up is referred to as H.264 buffering area, as shown in Figure 2 b.
It is understood that the buffering area opened up is smaller, video flowing reaches the delay of DSP buffering areas with regard to smaller, the video
The broadcast time-delay of stream is also just smaller, but may cause to play unsmooth；The buffering area opened up is bigger, and broadcasting is then more smooth, but regards
The delay that frequency stream reaches DSP buffering areas is longer.
In embodiments of the present invention, as shown in Figure 2 b, H.264 the H.264 video flowing of webserver side is cached to first
In buffering area, H.264 the video flowing in buffering area is cached in DSP buffering areas, and detection DSP buffering areas are in undersaturated condition can
To be interpreted as detecting whether DSP buffering areas are not full of from the frame of video H.264 in buffering area.
Optionally, in an embodiment of the invention, it can detect whether DSP buffering areas are in unsaturated shape in real time
State.
Optionally, in yet another embodiment of the present invention, can periodically be detected according to default detection cycle
Whether DSP buffering areas are in undersaturated condition；For example one-time detection is carried out to DSP buffering area every 1s.
It should be noted that the default detection cycle in the present invention can be the detection week of playback equipment system default
Phase, or the detection cycle of user's sets itself according to the actual requirements, the embodiment of the present invention are not construed as limiting to this.
S202, blank frame EOS is inserted into DSP buffer areas, until the DSP buffering areas reach saturation state.
Blank frame in the embodiment of the present invention can be understood as transparent frame, be covered in the frame of video with real screen content
On the result of broadcast of the frame of video will not be had an impact, in H.264 coded system, the blank frame is also designated as EOS frames.
It has been mentioned hereinbefore that only when DSP buffering areas are filled, DSP decoders can be in saturation state to this
The frame of video of DSP buffering areas decoded；In embodiments of the present invention, when causing DSP to buffer due to reasons such as network congestions
When area is in undersaturated condition, it can be in this in DSP buffering areas of unsaturated state and insert blank frame (as shown in Figure 2 b),
So that the DSP buffering areas are rapidly reached saturation state.
It should be noted that when DSP buffering areas are in saturation state, present invention method will not continue to this
Blank frame is inserted in DPS buffering areas, to avoid the frame losing problem caused by frame data overfill in DSP buffering areas.
S203, the frame data in DSP buffering areas are decoded.
When DSP buffering areas reach saturation state, the frame data included including blank frame of the DSP buffering areas can be forced
All overflow, the frame data remained in the DSP buffering areas are decoded so as to realize.
Using above-mentioned technical proposal, the embodiment of the present invention is covered in frame of video to be played by introducing but not influences to be somebody's turn to do
The blank frame of frame of video bandwagon effect to be played, and the type blank frame is inserted into the technology of DSP buffering areas, so as to realize
In the case where DSP buffering areas are in undersaturated condition, the residual video stream in DSP buffering areas is decoded immediately, specifically
Realize that step is as follows：In the case of DSP buffer areas are in undersaturated condition, blank frame can be inserted to the DSP buffering areas, until
The DSP buffering areas reach saturation state；Frame data in DSP buffering areas are decoded.
Compared with prior art, being in undersaturated condition, DSP buffering areas residual video stream in DSP buffering areas can not be by
In the case of decoding immediately, the embodiment of the present invention, which can use to insert into DSP buffering areas, does not influence video render effect
The method of blank frame, the DSP buffering areas is rapidly achieved saturation state, then the frame data comprising above-mentioned residual video stream are entered
Row decoding, is realized on the basis of the partial video stream follow-up play effect is not influenceed, to above-mentioned residual video flow data
Decode immediately.
Optionally, in one embodiment of the invention, above-mentioned S201, can include：
Whether the duration that detection DSP buffering areas are in undersaturated condition exceedes default threshold value.
It is understood that as shown in Figure 2 b, under normal circumstances, H.264 the H.264 video flowing in buffering area is cached to
DSP buffering areas only need the extremely short time；Sometimes, the problem of temporary block occurs in network, but can recover normal quickly, now
DSP buffering areas may be of short duration be in undersaturated condition, saturation state can be reached again quickly, and follow-up broadcasting will not be imitated
Fruit produces large effect.
Based on the above situation, in embodiments of the present invention, the duration for not influenceing an overall viewing effect threshold can be set
Value, if the duration that DSP buffering areas are in undersaturated condition exceedes duration threshold value, blank frame is inserted into the DSP buffering areas,
The DSP buffering areas are made to be rapidly reached saturation state；If the duration that DSP buffering areas are in undersaturated condition is no more than duration threshold value
(such as the above situation), then it can not insert blank frame into the DSP buffering areas.
Optionally, in one embodiment of the invention, above-mentioned S201, can include：
Detect with the presence or absence of the video requency frame data in the video data buffer pre-established in DSP buffering areas, and
It is not full of by video requency frame data.
Optionally, in one embodiment of the invention, above-mentioned S203, can include：
The video requency frame data for carrying network identity in DSP buffering areas is decoded；Wherein, it is described to carry network
The frame of video of mark is the frame data from the video stream buffer area pre-established.
It is understood that the video requency frame data that webserver side is sent all carries the network identities such as timestamp, this
The video requency frame data for carrying network identity in inventive embodiments can be understood as webserver side and be sent to playback equipment
In video requency frame data, because the frame data that webserver side is sent are cached in H.264 buffering area first, therefore can also manage
Solve as from the video requency frame data of the H.264 buffering area pre-established.
In embodiments of the present invention, only the frame of video comprising substantive content can be decoded, is regarded so as to maintain this
The original presentation effect of frequency frame.
Optionally, in another embodiment of the present invention, as shown in figure 3, before above-mentioned S201, can also include：
Whether S200, detection currently have video stream data to be cached to the DSP buffer areas.
In embodiments of the present invention, before whether detection DSP buffering areas are in undersaturated condition, can be worked as by detection
It is preceding whether to there is video stream data to be cached to the DSP buffering areas, whether to determine the need for detecting DSP buffering areas in unsaturation
State；The DSP buffering areas are cached to currently without video stream data if detected, can determine that current network obstruction is tighter
Weight, if now residual fraction video stream data in the DSP buffering areas, can to the DSP buffering areas insert blank frame, with up to
To the purpose for being decoded above-mentioned residual video flow data as early as possible.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides a kind of decoding video stream device.
As shown in figure 4, a kind of decoding video stream device, can include：
First detection module 401, for detecting whether digital signal processor DSP buffering area is in undersaturated condition, its
In, the DSP buffering areas are used for buffered video frame data；
Blank frame fills module 402, in the case of being in the testing result of the first detection module 401, to
Blank frame EOS is inserted in DSP buffering areas, until the DSP buffering areas reach saturation state；
Decoder module 403, for being decoded to the frame data in DSP buffering areas.
Optionally, in one embodiment of the present invention, the first detection module 401, can be used for detecting DSP in real time
Whether buffering area is in undersaturated condition.
Optionally, in yet another embodiment of the present invention, the first detection module 401, can be used for according to pre-
If detection cycle, periodically detect DSP buffering areas whether be in undersaturated condition.
Optionally, in an embodiment of the invention, the first detection module 401, it can be used for detection DSP and delay
Rush area and be in the duration of undersaturated condition and whether exceed default threshold value.
Optionally, in one embodiment of the invention, the first detection module 401, it can be used for detection DSP and delay
Rush with the presence or absence of the video requency frame data in the video data buffer pre-established in area, and do not filled by video requency frame data
It is full.
In one embodiment of the invention, the pushing module 403, is specifically used for：
The frame of video for carrying network identity in DSP buffering areas is decoded, it is described to carry regarding for network identity
Frequency frame is the frame data from the video stream buffer area pre-established.
Optionally, in another embodiment of the present invention, as shown in figure 5, the device also includes：
Second detection module 400, for detect it is current whether there is video stream data to be cached to the DSP buffering areas, and
In the case that testing result is no, triggers the first detection module and be operated, wherein, the video stream data is：In advance
Video requency frame data in the video data buffer of foundation, the video data buffer pre-established derive from for caching
The video requency frame data of webserver side.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
For convenience of description, it is divided into various modules during description apparatus above with function to describe respectively.Certainly, this is being implemented
The function of each module can be realized in same or multiple softwares and/or hardware during invention.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Each embodiment in this specification is described by the way of related, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.It is real especially for device
For applying example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
Can one of ordinary skill in the art will appreciate that realizing that all or part of step in above method embodiment is
To instruct the hardware of correlation to complete by program, described program can be stored in computer read/write memory medium,
The storage medium designated herein obtained, such as：ROM/RAM, magnetic disc, CD etc..
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 substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (12)
1. a kind of method for decoding video stream, it is characterised in that this method includes：
Whether detection digital signal processor DSP buffering area is in undersaturated condition, wherein, the DSP buffering areas are used to cache
Video requency frame data；
If it is, blank frame EOS is inserted into DSP buffering areas, until the DSP buffering areas reach saturation state；
Frame data in DSP buffering areas are decoded.
2. according to the method for claim 1, it is characterised in that be in the detection digital signal processor DSP buffering area
It is no to be in before undersaturated condition, in addition to：
Whether detection currently has video stream data to be cached to the DSP buffering areas, if it is not, then performing the detection data signal
Whether processor DSP buffering areas are in undersaturated condition, wherein, the video stream data is：The video data pre-established delays
The video requency frame data rushed in area, the video data buffer pre-established are used to cache regarding from webserver side
Frequency frame data.
3. according to the method for claim 1, it is characterised in that whether the detection digital signal processor DSP buffering area
In undersaturated condition, including：
Whether detection DSP buffering areas are in undersaturated condition in real time；
Or
According to default detection cycle, periodically detect whether DSP buffering areas are in undersaturated condition.
4. according to the method for claim 1, it is characterised in that whether the detection digital signal processor DSP buffering area
In undersaturated condition, including：
Whether the duration that detection DSP buffering areas are in undersaturated condition exceedes default threshold value.
5. according to the method for claim 1, it is characterised in that whether the detection digital signal processor DSP buffering area
In undersaturated condition, including：
Detect with the presence or absence of video requency frame data in the video data buffer pre-established in DSP buffering areas, and not by
Video requency frame data is full of.
6. according to the method for claim 5, it is characterised in that the frame data in DSP buffering areas decode, bag
Include：
The frame of video for carrying network identity in DSP buffering areas is decoded, the frame of video for carrying network identity
For from the frame data in the video stream buffer area pre-established.
7. a kind of decoding video stream device, it is characterised in that the device includes：
First detection module, for detecting whether digital signal processor DSP buffering area is in undersaturated condition, wherein, it is described
DSP buffering areas are used for buffered video frame data；
Blank frame fills module, in the case of being in the testing result of the first detection module, into DSP buffering areas
Blank frame EOS is inserted, until the DSP buffering areas reach saturation state；
Decoder module, for being decoded to the frame data in DSP buffering areas.
8. device according to claim 7, it is characterised in that the device also includes：
Second detection module, currently whether there is video stream data to be cached to the DSP buffering areas for detecting, and in testing result
In the case of no, trigger the first detection module and be operated, wherein, the video stream data is：What is pre-established regards
Video requency frame data in frequency data buffer zone, the video data buffer pre-established, which is used to cache, derives from network service
The video requency frame data of device side.
9. device according to claim 7, it is characterised in that the first detection module, be specifically used for：
Whether detection DSP buffering areas are in undersaturated condition in real time；
Or
According to default detection cycle, periodically detect whether DSP buffering areas are in undersaturated condition.
10. device according to claim 7, it is characterised in that the first detection module, be specifically used for：
Whether the duration that detection DSP buffering areas are in undersaturated condition exceedes default threshold value.
11. device according to claim 7, it is characterised in that the first detection module, be specifically used for：
Detect with the presence or absence of video requency frame data in the video data buffer pre-established in DSP buffering areas, and not by
Video requency frame data is full of.
12. device according to claim 11, it is characterised in that the decoder module, be specifically used for：
The frame of video for carrying network identity in DSP buffering areas is decoded, the frame of video for carrying network identity
For from the frame data in the video stream buffer area pre-established.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377484.1A CN104113778B (en) | 2014-08-01 | 2014-08-01 | A kind of method for decoding video stream and device |
| PCT/CN2015/085602 WO2016015667A1 (en) | 2014-08-01 | 2015-07-30 | Video stream decoding method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377484.1A CN104113778B (en) | 2014-08-01 | 2014-08-01 | A kind of method for decoding video stream and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104113778A CN104113778A (en) | 2014-10-22 |
| CN104113778B true CN104113778B (en) | 2018-04-03 |
Family
ID=51710390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410377484.1A Active CN104113778B (en) | 2014-08-01 | 2014-08-01 | A kind of method for decoding video stream and device |
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| CN104113778B (en) * | 2014-08-01 | 2018-04-03 | 广州猎豹网络科技有限公司 | A kind of method for decoding video stream and device |
| CN106792269B (en) * | 2016-08-16 | 2020-01-24 | 炫熵（上海）互联网科技有限公司 | P2P live broadcast delay control system and method |
| CN111193956B (en) * | 2018-11-15 | 2023-04-18 | 深圳市茁壮网络股份有限公司 | Video data processing method and video playing device |
| CN111901666B (en) * | 2020-07-01 | 2021-05-11 | 腾讯科技（深圳）有限公司 | Image processing method, image processing apparatus, electronic device, and storage medium |
| CN112929792B (en) * | 2021-01-21 | 2022-06-28 | 稿定（厦门）科技有限公司 | Sox-based audio processing method, medium, device and apparatus |
| CN113296597B (en) * | 2021-05-08 | 2022-08-26 | 展讯通信（上海）有限公司 | Power consumption control method and terminal equipment |
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