CN103986933A - Dynamic picture displaying method and device - Google Patents
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- CN103986933A CN103986933A CN201410166879.7A CN201410166879A CN103986933A CN 103986933 A CN103986933 A CN 103986933A CN 201410166879 A CN201410166879 A CN 201410166879A CN 103986933 A CN103986933 A CN 103986933A
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Abstract
The invention discloses a dynamic picture displaying method and device and belongs to the technical field of computers. The dynamic picture displaying method comprises the steps that dynamic pictures are obtained, and the dynamic pictures comprise continuous picture frames; the dynamic pictures are decoded in sequence in a subsection mode; after each-time decoding, the picture frames obtained by decoding are written into a playing queue which is a round-robin queue for storing the picture frames after decoding; and when the picture frames exist in the playing queue, the picture frames are read and displayed from the playing queue. The dynamic pictures are decoded in sequence in the subsection mode, after each-time decoding, the picture frames obtained by decoding are written into the playing queue, and when the picture frames exist in the playing queue, the picture frames are read and displayed from the playing queue. The problems that in the related technology, when the dynamic pictures are displayed, occupied internal storage is much, and displaying efficiency is low are solved, and the effect that occupied internal storage can be lowered, and displaying efficiency is improved is achieved.
Description
Technical field
The disclosure relates to field of computer technology, particularly a kind of dynamic picture display packing and device.
Background technology
Because dynamic picture can dynamically show more information, therefore increased readability and interesting, at present, application more widely dynamic picture is GIF (Graphics Interchange Format, graphic interchange format) picture.
Terminal, when showing GIF picture, first, by the disposable internal memory that is written into of the GIF picture getting, is then carried out disposable decoding to the GIF picture in internal memory, after this GIF picture has been decoded, shows.
Inventor is in realizing process of the present disclosure, find that correlation technique at least exists following defect: because the Capacity Ratio of some GIF picture is larger, by GIF picture is disposable while being written into internal memory, the shared internal memory of this GIF picture is many, and after being written into internal memory, want could show after disposable decoding, therefore before showing GIF picture, need the time of wait long, display efficiency is lower.
Summary of the invention
Many in order to overcome in correlation technique when showing GIF picture committed memory, the problem that display efficiency is lower, the disclosure provides a kind of dynamic picture display packing and device.Described technical scheme is as follows:
According to the first aspect of disclosure embodiment, a kind of dynamic picture display packing is provided, comprising:
Obtain dynamic picture, described dynamic picture is comprised of a continuously individual picture frame;
Dynamic picture described in segmentation decoding successively;
After each decoding, the picture frame that decoding is obtained writes broadcasting queue, and described broadcasting queue is for storing the round-robin queue of decoded picture frame;
When described broadcasting queue exists picture frame, frame reads and Shows Picture from described broadcasting queue.
Optionally, dynamic picture described in described segmentation decoding successively, comprising:
From the first picture frame in the picture frame of not decoding described dynamic picture, choose successively the picture frame of predetermined number;
Picture frame to the described predetermined number selecting is decoded.
Optionally, described after each decoding, the picture frame that decoding is obtained writes broadcasting queue, comprising:
After decoding first, from the head of the queue of described broadcasting queue, the picture frame that decoding is obtained writes described broadcasting queue successively;
After non-decoding first, write while playing queue at every turn, detect the tail of the queue whether picture frame finally writing is positioned at described broadcasting queue;
If whether the position that testing result for the picture frame that finally writes is not positioned at the tail of the queue of described broadcasting queue, detects after the picture frame finally writing in described broadcasting queue is empty; If testing result is that the position after the picture frame finally writing in described broadcasting queue is sky,, from the position after the described picture frame finally writing, the picture frame decoding is write to described broadcasting queue successively; If testing result is that the position after the picture frame finally writing in described broadcasting queue is non-NULL, suspends the picture frame decoding is write to described broadcasting queue;
If testing result is positioned at the tail of the queue of described broadcasting queue for the picture frame that finally writes, whether the head of the queue that detects described broadcasting queue is empty; If the head of the queue that testing result is described broadcasting queue is empty,, from the head of the queue of described broadcasting queue, the picture frame decoding is write to described broadcasting queue successively; If the head of the queue that testing result is described broadcasting queue is non-NULL, suspends the picture frame decoding is write to broadcasting queue successively.
Optionally, described when described broadcasting queue exists picture frame, the frame that reads and Show Picture from described broadcasting queue, comprising:
Detect in described broadcasting queue whether have picture frame in real time;
When described broadcasting queue being detected and have picture frame, the first picture frame not being read from described broadcasting queue starts, and frame successively reads and Show Picture.
Optionally, also comprise:
Detect the tail of the queue that whether has read described broadcasting queue;
If testing result, for to read the tail of the queue of described broadcasting queue, continues from the head of the queue of described broadcasting queue, frame successively reads and Shows Picture.
Optionally, also comprise:
When the complete described dynamic picture of segmentation decoding, from the head of described dynamic picture, the step of dynamic picture described in segmentation decoding successively described in re-executing.
Optionally, also comprise:
Whether the capacity that detects described dynamic picture is greater than predetermined threshold;
If the capacity that testing result is described dynamic picture is greater than described predetermined threshold, the step of dynamic picture described in segmentation decoding successively described in carrying out.
According to the second aspect of disclosure embodiment, a kind of dynamic picture display unit is provided, comprising:
Acquisition module, for obtaining dynamic picture, described dynamic picture is comprised of a continuously individual picture frame;
Decoder module, for dynamic picture described in segmentation decoding successively;
Writing module, for after each decoding, the picture frame that described decoder module decoding is obtained writes broadcasting queue, and described broadcasting queue is for storing the round-robin queue of decoded picture frame;
Display module, for when described broadcasting queue exists picture frame, frame reads and Shows Picture from described broadcasting queue.
Optionally, described decoder module, comprising:
Choose unit, for the first picture frame the picture frame of not decoding from described dynamic picture, choose successively the picture frame of predetermined number;
Decoding unit, for decoding to the described picture frame of choosing the described predetermined number that unit selection goes out.
Optionally, said write module, comprising:
The first writing unit, for after decoding first, from the head of the queue of described broadcasting queue, the picture frame that decoding is obtained writes described broadcasting queue successively;
The first detecting unit for after non-decoding first, writes while playing queue at every turn, detects the tail of the queue whether picture frame finally writing is positioned at described broadcasting queue;
The second detecting unit, while not being positioned at the tail of the queue of described broadcasting queue for the testing result at described the first detecting unit for the picture frame that finally writes, whether the position of detecting after the picture frame finally writing in described broadcasting queue is empty; The second writing unit, for being that position after the picture frame that finally writes of described broadcasting queue is during for sky in the testing result of described the second detecting unit, from the position after the described picture frame finally writing, the picture frame decoding is write to described broadcasting queue successively; First suspends unit, for the testing result at described the second detecting unit, is that position after the picture frame that finally writes of described broadcasting queue is non-NULL, suspends the picture frame decoding is write to described broadcasting queue;
The 3rd detecting unit, while being positioned at the tail of the queue of described broadcasting queue for the testing result at described the first detecting unit for the picture frame finally writing, whether the head of the queue that detects described broadcasting queue is empty; The 3rd writing unit, when the head of the queue that is described broadcasting queue for the testing result at described the 3rd detecting unit is empty, from the head of the queue of described broadcasting queue, writes described broadcasting queue by the picture frame decoding successively; Second suspends unit, when the head of the queue that is described broadcasting queue for the testing result at described the 3rd detecting unit is non-NULL, suspends the picture frame decoding is write to broadcasting queue successively.
Optionally, described display module, comprising:
Whether the 4th detecting unit, there is picture frame for detecting in real time described broadcasting queue;
The first display unit, for when the described broadcasting queue of detecting of the 4th detecting unit exists picture frame, the first picture frame not being read from described broadcasting queue starts, and frame successively reads and Shows Picture.
Optionally, described display module, also comprises:
The 5th detecting unit, for detection of the tail of the queue that whether has read described broadcasting queue;
The second display unit, is, while having read the tail of the queue of described broadcasting queue, to continue from the head of the queue of described broadcasting queue for the testing result at described the 5th detecting unit, and frame successively reads and Show Picture.
Optionally, also comprise:
Trigger module, for when the complete described dynamic picture of segmentation decoding, from the head of described dynamic picture, triggers described decoder module dynamic picture described in segmentation decoding successively again.
Optionally, also comprise:
Whether detection module, be greater than predetermined threshold for detection of the capacity of described dynamic picture;
Described decoder module, when the capacity that is also described dynamic picture for the testing result at described detection module is greater than described predetermined threshold, dynamic picture described in segmentation decoding successively.
According to the third aspect of disclosure embodiment, a kind of dynamic picture display unit is provided, comprising:
Processor;
For storing the memory of described processor executable;
Wherein, described processor is configured to:
Obtain dynamic picture, described dynamic picture is comprised of a continuously individual picture frame;
Dynamic picture described in segmentation decoding successively;
After each decoding, the picture frame that decoding is obtained writes broadcasting queue, and described broadcasting queue is for storing the round-robin queue of decoded picture frame;
When described broadcasting queue exists picture frame, frame reads and Shows Picture from described broadcasting queue.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
By segmentation decoding dynamic picture successively, after each decoding, the picture frame that decoding is obtained writes broadcasting queue, and when playing queue while there is picture frame, frame reads and Show Picture from play queue; Owing to carrying out segmentation decoding for dynamic picture, and in the process of decoding, decoded picture frame is play, therefore the length of playing queue can be much smaller than the shared length of dynamic picture, solved in correlation technique when showing GIF picture committed memory many, the problem that display efficiency is lower; Reached and can reduce EMS memory occupation, improved the effect of display efficiency.
Should be understood that, it is only exemplary that above general description and details are hereinafter described, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing is herein merged in specification and forms the part of this specification, shows embodiment according to the invention, and is used from and explains principle of the present invention in specification one.
Fig. 1 is according to the flow chart of a kind of dynamic picture display packing shown in an exemplary embodiment;
Fig. 2 A is according to the flow chart of a kind of dynamic picture display packing shown in another exemplary embodiment;
Fig. 2 B is according to the schematic diagram of a kind of dynamic picture shown in an exemplary embodiment;
Fig. 2 C chooses the schematic diagram of picture frame according to a kind of segmentation shown in an exemplary embodiment;
Fig. 2 D is according to a kind of schematic diagram of playing queue that picture frame is write first shown in an exemplary embodiment;
Fig. 2 E is according to a kind of schematic diagram of playing queue that picture frame is write first shown in another exemplary embodiment;
Fig. 2 F is a kind of by the non-schematic diagram of playing queue that writes first of picture frame according to shown in an exemplary embodiment;
Fig. 2 G is a kind of by the non-schematic diagram of playing queue that writes first of picture frame according to shown in another exemplary embodiment;
Fig. 2 H chooses the afterbody of dynamic picture and head as the schematic diagram of a segmentation according to a kind of shown in an exemplary embodiment simultaneously;
Fig. 3 is according to the block diagram of a kind of dynamic picture display unit shown in an exemplary embodiment;
Fig. 4 is according to the block diagram of a kind of dynamic picture display unit shown in another exemplary embodiment;
Fig. 5 is the basis block diagram of a kind of dynamic picture display unit shown in an exemplary embodiment again.
Embodiment
Here will at length to exemplary embodiment, describe, its example shown in the accompanying drawings.When description below relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they are only the examples with apparatus and method as consistent in some aspects that described in detail in appended claims, of the present invention.
" playback equipment " said in literary composition can be smart mobile phone, panel computer, intelligent television, E-book reader, MP3 player (Moving Picture Experts Group Audio Layer III, dynamic image expert compression standard audio frequency aspect 3), MP4 (Moving Picture Experts Group Audio Layer IV, dynamic image expert compression standard audio frequency aspect 4) player, pocket computer on knee and desktop computer etc.
Fig. 1 is according to the flow chart of a kind of dynamic picture display packing shown in an exemplary embodiment, and as shown in Figure 1, this dynamic picture display packing is applied to can play in the playback equipment that shows dynamic picture, comprises the following steps.
In step 101, obtain dynamic picture, dynamic picture is comprised of a continuously individual picture frame.
In step 102, segmentation decoding dynamic picture successively.
In step 103, after each decoding, the picture frame that decoding is obtained writes broadcasting queue, and playing queue is for storing the round-robin queue of decoded picture frame.
In step 104, when broadcasting queue exists picture frame, frame reads and Shows Picture from play queue.
In sum, the dynamic picture display packing providing in disclosure embodiment, by segmentation decoding dynamic picture successively, after each decoding, the picture frame that decoding is obtained writes broadcasting queue, and when broadcasting queue exists picture frame, frame reads and Show Picture from play queue; Solved in correlation technique when showing GIF picture committed memory many, the problem that display efficiency is lower; Owing to carrying out segmentation decoding for dynamic picture, and in the process of decoding, decoded picture frame is play, therefore the length of playing queue can reach and can reduce EMS memory occupation much smaller than the shared length of dynamic picture, improves the effect of display efficiency.
Fig. 2 A is according to the flow chart of a kind of dynamic picture display packing shown in another exemplary embodiment, and as shown in Figure 2 A, this dynamic picture display packing is applied to can play in the playback equipment that shows dynamic picture, comprises the following steps.
In step 201, obtain dynamic picture, dynamic picture is comprised of a continuously individual picture frame.
Dynamic picture is comprised of a continuously individual picture frame, and continuous is at least two.Common dynamic picture can be the picture of GIF form, and obviously, dynamic picture can also be picture extended formatting and that be comprised of continuously individual picture frame.
Refer to shown in Fig. 2 B, it is according to the schematic diagram of a kind of dynamic picture shown in an exemplary embodiment.This dynamic picture is by picture frame 1, picture frame 2, picture frame 3 and picture frame 4 form, object A is at picture frame 1, picture frame 2, on picture frame 3 and picture frame 4, lay respectively at different positions, work as picture frame 1 like this, picture frame 2, picture frame 3 and picture frame 4 are played while showing successively, because broadcasting speed is than comparatively fast (broadcasting speed can be broadcasting 24 frames per second conventionally, even can reach broadcasting 60 frames per second), therefore in playing the process of above-mentioned four picture frames, for this object A, carry out dynamic mobile to user's visual presence, such as moving according to route s, the scene showing can rise in east and drop in west for the sun.This Fig. 2 B has only carried out simple signal, and in actual applications, on dynamic picture, the object of dynamic mobile is not limited in one, and the picture frame that dynamic picture comprises also conventionally can be many.
The capacity of dynamic picture conventionally with forming the quantity of picture frame of this dynamic picture and each picture frame shared capacity (such as, the capacity of picture frame can be determined by factors such as the pixel of picture frame, colourity, saturations) relevant, when form certain dynamic picture a picture frame capacity more and/or each picture frame is larger continuously time, the shared capacity of this dynamic picture is conventionally also just larger.
Generally, when the Capacity Ratio of dynamic picture is larger, easily cause the larger occupancy to internal memory, therefore, when the capacity of dynamic picture is greater than predetermined threshold, this dynamic picture can be carried out to loaded and displayed by following steps 202 to step 211.
That is to say, after playback equipment is getting dynamic picture, whether the capacity that can first detect dynamic picture is greater than predetermined threshold; If the capacity that testing result is dynamic picture is greater than predetermined threshold, carry out following steps 202 to step 214.Obviously, even if the capacity of some dynamic picture is less than predetermined threshold, also can carry out loaded and displayed according to step 202 to step 214.
In step 202, segmentation decoding dynamic picture successively.
Playback equipment, when segmentation decoding dynamic picture successively, can comprise the steps:
The first, from the first picture frame in the picture frame of not decoding dynamic picture, choose successively the picture frame of predetermined number;
Predetermined number can be set according to actual conditions, such as selecting suitable predetermined number according to the calculated performance of playback equipment or user's experience, this predetermined number can arrange 10, also can be set to 15 etc., and the present embodiment does not limit the concrete value of predetermined number.
When decoding for the first time, can first from the first picture frame of dynamic picture head, start to choose the picture frame of predetermined number, when decoding for the second time, can be from the picture frame the picture frame being selected, choose successively the picture frame of predetermined number, also since (predetermined number+1) individual picture frame, choose successively the picture frame of predetermined number, by that analogy, the picture frame while completing segmentation decoding is chosen.
In other words, when the i time decoding, since (n* (i-1)+1) individual picture frame, choose successively n picture frame, wherein n predetermined number.
Refer to shown in Fig. 2 C, it is according to a kind of segmentation shown in an exemplary embodiment, to choose the schematic diagram of picture frame.Dynamic picture shown in this Fig. 2 C comprises m picture frame, and the predetermined number of setting is that the picture frame that 5, the 1 times segmentation selects is the 1st frame to the 5 frames, and the picture frame that the 2nd time segmentation selects is the 6th frame to the 10 frames, and the rest may be inferred.
The second, the picture frame of the predetermined number selecting is decoded.
After often selecting the picture frame of predetermined number, playback equipment all can be decoded to the picture frame of the predetermined number of choosing.General, when generating dynamic picture, in order to reduce the capacity of dynamic picture as far as possible, can raise the price to dynamic picture, also by the predefined rule of raising the price, the picture frame in dynamic picture is raised the price; When playing dynamic picture, in order can effectively to play, need to before playing, according to predefined decoding rule, the picture frame in dynamic picture be decoded, this decoding rule is corresponding with the rule of raising the price.Here the rule of raising the price told about can have multiple and all relatively know with decoding rule, according to encryption rule, picture being raised the price and according to decoding rule, picture being decoded is all also that those of ordinary skill in the art can both learn, just repeats no more here.
It should be added that, playback equipment can be set up and choose thread, and according to choosing thread, the picture frame in dynamic picture is chosen, and playback equipment can also be set up decoding thread, and according to decoding thread, the picture frame in dynamic picture is chosen.
In a kind of possible implementation, choose thread can with decoding thread work in series, also choose thread after often having chosen the picture frame of predetermined number, decoding thread is directly decoded to choosing the picture frame of these predetermined number that thread chooses, after having decoded, choose the picture frame of follow-up predetermined number, the rest may be inferred again.
In the possible implementation of another kind, choose thread can with decoding thread parallel work, also choose thread and independently according to rule (choosing the picture frame of predetermined number) at every turn, choose successively picture frame, the independent picture frame that decoding has selected successively of decoding thread.But the speed of the common ratio decoder thread of the speed of choosing in such cases, thread is fast.
In step 203, after decoding first, from the head of the queue of broadcasting queue, the picture frame that decoding is obtained writes broadcasting queue successively.
Playing queue is for storing the round-robin queue of decoded picture frame.
In actual applications, can arrange one and write pointer, this writes head of the queue in this broadcasting queue of pointer initial directional (being also that initial writing position is head of the queue), a picture frame is write to this and write the indicated position of pointer, often write a picture frame, this is write to pointer and add 1, be also about to write pointer and move on to next position, then the latest position that writes pointer indication at this writes next picture frame, and then will write pointer and add 1.That is to say, when writing picture frame, need to determine to write the current position pointed of pointer at every turn, picture frame is write to this and write the current position pointed of pointer, when often writing a picture frame, will write pointer and add 1.It should be noted that the size of each position in broadcasting queue can be less than the size of a picture frame, also can be greater than the size of a picture frame, for convenience of description, the size of playing each position in queue is regarded as to the size of a picture frame here.
Refer to shown in Fig. 2 D, it is according to a kind of schematic diagram of playing queue that picture frame is write first shown in an exemplary embodiment.The position that writes pointer initial directional in Fig. 2 D is for playing the head of the queue of queue, and the position that writes pointer initial directional is also initial writing position 1, also from initial writing position 1, starts to write successively decoded picture frame.
Obviously, in a kind of possible implementation, after decoding first, can also be from arbitrary select location of broadcasting queue, the picture frame that decoding is obtained writes broadcasting queue successively.
Refer to shown in Fig. 2 E, it is according to a kind of schematic diagram of playing queue that picture frame is write first shown in another exemplary embodiment.The position that writes pointer initial directional in Fig. 2 E is for playing the some select locations in centre of queue, and this position that writes pointer initial directional is also initial writing position 2, also from initial writing position 2, starts to write successively decoded picture frame.
As from the foregoing, after decoding first, from play queue, select location (comprising head of the queue) starts, and the picture frame that decoding is obtained writes broadcasting queue successively.
In step 204, after non-decoding first, write while playing queue at every turn, detect the picture frame finally writing and whether be positioned at the tail of the queue of playing queue.
In step 205, if being the picture frame finally writing, testing result is not positioned at the tail of the queue of playing queue, whether the position after the picture frame finally writing in detection broadcasting queue is sky.
In step 206, if testing result is for the position after the picture frame finally writing is for empty, from the position after the picture frame finally writing, the picture frame decoding is write to broadcasting queue successively.
When the picture frame writing for the last time is not positioned at the tail of the queue of playing queue, and the position after the picture frame finally writing is for empty, also after the picture frame writing for the last time, also have writeable space, now the picture frame decoding can be write in these spaces.
Refer to shown in Fig. 2 F, it is a kind of by the non-schematic diagram of playing queue that writes first of picture frame according to shown in an exemplary embodiment.Common, write the position (being this writing position B) after the last writing position A of pointed, when last writing position A is not positioned at the tail of the queue of this broadcasting queue, the picture frame decoding is continued to write in space (writing pointer space pointed) after writing position A the last time, and the black triangle in Fig. 2 F represents that position stores decoded picture frame.
In step 207, if testing result for the position after the picture frame that finally writes be non-NULL, suspend the picture frame decoding write to broadcasting queue.
If the position after the picture frame finally writing is non-NULL, show that the speed now reading is slow, position after the picture frame finally writing is not for being read the picture frame of demonstration, because cover or replace the picture frame of this position for fear of the picture frame newly writing, affect result of broadcast, now can first suspend the picture frame decoding is write to broadcasting queue.
Hence one can see that, when the picture frame finally writing being detected and not being positioned at the tail of the queue of playing queue, if the position after the picture frame finally writing, for empty,, from the position after the picture frame finally writing, writes broadcasting queue by the picture frame decoding successively; And if position after the picture frame finally writing is non-NULL, suspends to playing queue and write picture frame, until this position is while be sky, then picture frame is write to this position.
In step 208, if being the picture frame finally writing, testing result is positioned at the tail of the queue of playing queue, whether the head of the queue that detects broadcasting queue is empty.
In step 209, if testing result is empty for playing the head of the queue of queue,, from the head of the queue of broadcasting queue, the picture frame decoding is write to broadcasting queue successively.
When the picture frame writing is for the last time positioned at the tail of the queue of playing queue, after the picture frame that shows to write for the last time, there is no writeable space, and be the queue of a circulation owing to playing queue, if and now the position of head of the queue has been empty (such as the picture frame in Head-of-line has been read demonstration, or be not yet written into picture frame), therefore can continue to continue to write picture frame from the position of head of the queue.
Refer to shown in Fig. 2 G, it is a kind of by the non-schematic diagram of playing queue that writes first of picture frame according to shown in another exemplary embodiment.Last writing position A is positioned at the tail of the queue of this broadcasting queue, the pointer that writes now continues to point to head of the queue (being this writing position B), according to writing the indicated position of pointer (this can writing position), continue to write, also need to go to head of the queue and continue to write the picture frame decoding, the black triangle in Fig. 2 G represents that position stores decoded picture frame.
In step 210, if testing result is non-NULL for playing the head of the queue of queue, suspends the picture frame decoding is write to broadcasting queue successively.
If the position of the picture frame finally writing is tail of the queue, and the head of the queue of playing queue is non-NULL, show that the speed now reading is slow, the picture frame decoding has taken whole broadcasting queue, now need to suspend and continue to write picture frame to this broadcasting queue, wait for that reading out picture frame continues to write afterwards the picture frame decoding again.
In actual applications, in order to reduce the taking of internal memory, arranging while playing queue, can determine according to factors such as decoding speed, reading speeds the length of more suitable broadcasting queue as far as possible.Generally, in order to guarantee that user can more clearly view the effect of the picture frame playing out, the speed that reads picture frame from playing queue can be set to be less than the speed that picture frame is decoded conventionally.After picture frame out of decoding put into being play queue, in order to shorten the time to be played such as user and to reduce and play the internal memory that queue takies as far as possible as far as possible, need to play in real time the picture frame having deposited in this broadcasting queue, carry out following steps 211.
In step 211, detect and play in queue whether have picture frame in real time.
In step 212, when detecting, play queue while there is picture frame, the first picture frame not being read from play queue starts, and frame successively reads and Shows Picture.
Playback equipment can arrange one and read thread, and this reads thread is two threads that carry out side by side with writing thread.When playback equipment detects, play while there is picture frame in queue, while also there is the picture frame that can play, read thread and can play the first picture frame not being read queue from this and start, frame successively reads and Shows Picture.
In a kind of possible implementation, after decoding first, while starting to write from playing the head of the queue of queue the picture frame decoding, reading thread can be from head of the queue, and frame successively reads and Show Picture.
In the possible implementation of another kind, after decoding first, while writing from playing some select locations of the non-head of the queue of queue the picture frame decoding, reading thread can be from this select location, and frame successively reads and Show Picture.
By way of example, reading thread can judge according to reading pointer, and reading pointer is used in reference to the position that will read.Generally, after reading out the content of reading pointer position pointed, reading pointer can be added to 1, also allow reading pointer point to next position, then continue to read the content in this reading pointer position pointed.
In step 213, detect and whether read the tail of the queue of playing queue.
Playback equipment detects and reads the tail of the queue whether thread has read broadcasting queue.Also detecting reading pointer position pointed is while playing the tail of the queue of queue, can determine and read the tail of the queue of playing queue.
In step 214, if testing result is for reading the tail of the queue of playing queue, continue from the head of the queue of broadcasting queue, frame successively reads and Shows Picture.
Owing to playing queue Shi Yige round-robin queue, therefore, when reading pointer is during at tail of the queue, reading pointer can be pointed to again to the head of the queue of playing queue, then continue from the head of the queue of broadcasting queue, frame successively reads and Shows Picture.
Hence one can see that, and the order and the direction that from play queue, read picture frame are to be identical with the order and the direction that write picture frame in broadcasting queue.
In actual applications, some dynamic picture may be repeated to play, therefore at the complete dynamic picture of segmentation decoding, playback equipment from the head of dynamic picture, segmentation decoding dynamic picture successively again.Also be that repeated execution of steps 202 is to the process of step 214, to realize the repeat playing to this dynamic picture.
It should be added that, in actual applications, when carrying out segmentation decoding dynamic picture, the number of the picture frame in dynamic picture is not the integral multiple of predetermined number more often, also when dynamic picture is carried out to last segmentation, the number of the picture frame of selected taking-up may be less than predetermined number, now can directly the last remaining picture frame that is less than predetermined number be selected and be used as a segmentation.Obviously, when dynamic picture need to carry out loop play, when also segmentation is chosen the last time, first after choosing the picture frame of the first number (being less than predetermined number) at dynamic picture afterbody place, then again from the head of this dynamic picture, choose the picture frame of the second number, wherein the first number adds the second number and equals predetermined number.
Refer to shown in Fig. 2 H, it is to choose the afterbody of dynamic picture and head as the schematic diagram of a segmentation according to a kind of shown in an exemplary embodiment simultaneously.Appointment number in Fig. 2 H is set to 5, the picture frame number of dynamic picture is 103, if this dynamic picture is carried out to loop play, the picture frame that can get while carrying out segmentation decoding the 21st time be the 101st frame to the 103 frames in this dynamic picture and the 1st frame and the 2nd frame, the picture frame of the predetermined number that this 5 frame is defined as choosing, and this 5 frame picture frame is decoded; And if this dynamic picture is not carried out to loop play, the picture frame that can get while carrying out segmentation decoding the 21st time be the 101st frame to the 103 frames in this dynamic picture, the picture frame of the predetermined number that this 3 frame is defined as choosing, and this 3 frame picture frame is decoded.
In sum, the dynamic picture display packing providing in disclosure embodiment, by segmentation decoding dynamic picture successively, after each decoding, the picture frame that decoding is obtained writes broadcasting queue, and when broadcasting queue exists picture frame, frame reads and Show Picture from play queue; Solved in correlation technique when showing GIF picture committed memory many, the problem that display efficiency is lower; Owing to carrying out segmentation decoding for dynamic picture, and in the process of decoding, decoded picture frame is play, therefore the length of playing queue can reach and can reduce EMS memory occupation much smaller than the shared length of dynamic picture, improves the effect of display efficiency.
Following is disclosure device embodiment, can be for carrying out disclosure embodiment of the method.Details for not disclosing in disclosure device embodiment, please refer to disclosure embodiment of the method.
Fig. 3 is according to the block diagram of a kind of dynamic picture display unit shown in an exemplary embodiment, as shown in Figure 3, this dynamic picture display device applications is in can playing the playback equipment that shows dynamic picture, and this dynamic picture display unit includes but not limited to: acquisition module 302, decoder module 304, writing module 306 and display module 308.
This acquisition module 302 is configured to obtain dynamic picture, and dynamic picture is comprised of a continuously individual picture frame.
This decoder module 304 is configured to segmentation decoding dynamic picture successively.
This writing module 306 is configured to after each decoding, and the picture frame that decoder module decoding is obtained writes broadcasting queue, and playing queue is for storing the round-robin queue of decoded picture frame.
This display module 308 is configured to when broadcasting queue exists picture frame, and frame reads and Show Picture from play queue.
In sum, the dynamic picture display unit providing in disclosure embodiment, by segmentation decoding dynamic picture successively, after each decoding, the picture frame that decoding is obtained writes broadcasting queue, and when broadcasting queue exists picture frame, frame reads and Show Picture from play queue; Solved in correlation technique when showing GIF picture committed memory many, the problem that display efficiency is lower; Owing to carrying out segmentation decoding for dynamic picture, and in the process of decoding, decoded picture frame is play, therefore the length of playing queue can reach and can reduce EMS memory occupation much smaller than the shared length of dynamic picture, improves the effect of display efficiency.
Fig. 4 is according to the block diagram of a kind of dynamic picture display unit shown in another exemplary embodiment, as shown in Figure 4, this dynamic picture display device applications is in can playing the playback equipment that shows dynamic picture, and this dynamic picture display unit includes but not limited to: acquisition module 402, decoder module 404, writing module 406 and display module 408.
This acquisition module 402 is configured to obtain dynamic picture, and dynamic picture is comprised of a continuously individual picture frame.
This decoder module 404 is configured to segmentation decoding dynamic picture successively.
This writing module 406 is configured to after each decoding, and the picture frame that decoder module decoding is obtained writes broadcasting queue, and playing queue is for storing the round-robin queue of decoded picture frame.
This display module 408 is configured to when broadcasting queue exists picture frame, and frame reads and Show Picture from play queue.
In the possible implementation of the first in the embodiment shown in fig. 4, decoder module 404 can comprise: choose unit 404a and decoding unit 404b.
This is chosen unit 404a and is configured to, the first picture frame in the picture frame from not decoding dynamic picture, choose successively the picture frame of predetermined number.
This decoding unit 404b is configured to decode to choosing the picture frame of the predetermined number that unit selection goes out.
In the possible implementation of the second in the embodiment shown in fig. 4, writing module 406 can comprise: the first writing unit 406a, the first detecting unit 406b, the second detecting unit 406c, the second writing unit 406d, first suspend unit 406e, the 3rd detecting unit 406f, the 3rd writing unit 406g and second suspends unit 406h.
This first writing unit 406a is configured to after decoding first, and from the head of the queue of broadcasting queue, the picture frame that decoding is obtained writes broadcasting queue successively.
This first detecting unit 406b is configured to, after non-decoding first, write while playing queue at every turn, detects the picture frame finally writing and whether is positioned at the tail of the queue of playing queue.
This second detecting unit 406c is configured to when the testing result of the first detecting unit 406b is not positioned at for the picture frame finally writing the tail of the queue of playing queue, and whether the position after the picture frame finally writing in detection broadcasting queue is empty; This second writing unit 406d is configured to when the testing result of the second detecting unit 406c is sky for the position after the picture frame finally writing in playing queue, from the position after the picture frame finally writing, the picture frame decoding is write to broadcasting queue successively; This first suspend unit 406e be configured to the testing result of the second detecting unit 406c for the position after the picture frame finally writing in playing queue be non-NULL, suspend the picture frame decoding write to broadcasting queue.
The 3rd detecting unit 406f is configured to when the testing result of the first detecting unit 406b is positioned at for the picture frame finally writing the tail of the queue of playing queue, and whether the head of the queue that detects broadcasting queue is empty; The 3rd writing unit 406g is configured to, when the testing result of the 3rd detecting unit 406f is sky for playing the head of the queue of queue, from the head of the queue of broadcasting queue, the picture frame decoding be write to broadcasting queue successively; This second time-out unit 406h is configured to, when the testing result of the 3rd detecting unit 406f is non-NULL for playing the head of the queue of queue, suspends the picture frame decoding is write to broadcasting queue successively.
In the third possible implementation in the embodiment shown in fig. 4, this display module 408 can comprise: the 4th detecting unit 408a and the first display unit 408b.
The 4th detecting unit 408a is configured to detect and play in queue whether have picture frame in real time.
This first display unit 408b is configured to when the testing result of the 4th detecting unit 408a exists picture frame for playing queue, from playing the head of the queue of queue, reads successively and shows decoded picture frame.
In the 4th kind of possible implementation in the embodiment shown in fig. 4, this display module 408 can also comprise: the 5th detecting unit 408c and the second display unit 408d.
The 5th detecting unit 408c is configured to detect the tail of the queue that whether has read broadcasting queue.
The testing result that this second display unit 408d is configured at the 5th detecting unit 408c is, while having read the tail of the queue of playing queue, to continue from the head of the queue of broadcasting queue, and frame successively reads and Show Picture.
In the 5th kind of possible implementation in the embodiment shown in fig. 4, this dynamic picture display unit can also comprise: trigger module 410.
This trigger module 410 is configured to when the complete dynamic picture of segmentation decoding, from the head of dynamic picture, triggers decoder module 404 segmentation decoding dynamic picture successively again.
In the 6th kind of possible implementation in the embodiment shown in fig. 4, this dynamic picture display unit can also comprise: detection module 412.
Whether the capacity that this detection module 412 is configured to detect dynamic picture is greater than predetermined threshold;
When this decoder module 404 is also configured to capacity that the testing result at detection module 412 is dynamic picture and is greater than predetermined threshold, segmentation decoding dynamic picture successively.
In sum, the dynamic picture display unit providing in disclosure embodiment, by segmentation decoding dynamic picture successively, after each decoding, the picture frame that decoding is obtained writes broadcasting queue, and when broadcasting queue exists picture frame, frame reads and Show Picture from play queue; Solved in correlation technique when showing GIF picture committed memory many, the problem that display efficiency is lower; Owing to carrying out segmentation decoding for dynamic picture, and in the process of decoding, decoded picture frame is play, therefore the length of playing queue can reach and can reduce EMS memory occupation much smaller than the shared length of dynamic picture, improves the effect of display efficiency.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations have been described in detail in the embodiment of relevant the method, will not elaborate explanation herein.
Fig. 5 is the basis block diagram of a kind of dynamic picture display unit 500 shown in an exemplary embodiment again.For example, device 500 can be mobile phone, computer, digital broadcast terminal, information receiving and transmitting equipment, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Fig. 5, device 500 can comprise following one or more assembly: processing components 502, memory 504, power supply module 506, multimedia groupware 508, audio-frequency assembly 510, the interface 512 of I/O (I/O), sensor cluster 514, and communications component 516.
The integrated operation of processing components 502 common control device 500, such as with demonstration, call, data communication, the operation that camera operation and record operation are associated.Processing components 502 can comprise that one or more processors 518 carry out instruction, to complete all or part of step of above-mentioned method.In addition, processing components 502 can comprise one or more modules, is convenient to mutual between processing components 502 and other assemblies.For example, processing components 502 can comprise multi-media module, to facilitate mutual between multimedia groupware 508 and processing components 502.
Memory 504 is configured to store various types of data to be supported in the operation of device 500.The example of these data comprises for any application program of operation on device 500 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 504 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
Power supply module 506 provides electric power for installing 500 various assemblies.Power supply module 506 can comprise power-supply management system, one or more power supplys, and other and the assembly that generates, manages and distribute electric power to be associated for device 500.
Multimedia groupware 508 is included in the screen that an output interface is provided between described device 500 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises that one or more touch sensors are with the gesture on sensing touch, slip and touch panel.Described touch sensor is the border of sensing touch or sliding action not only, but also detects duration and the pressure relevant to described touch or slide.In certain embodiments, multimedia groupware 508 comprises a front-facing camera and/or post-positioned pick-up head.When device 500 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 510 is configured to output and/or input audio signal.For example, audio-frequency assembly 510 comprises a microphone (MIC), and when device 500 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal receiving can be further stored in memory 504 or be sent via communications component 516.In certain embodiments, audio-frequency assembly 510 also comprises a loud speaker, for output audio signal.
I/O interface 512 is for providing interface between processing components 502 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 514 comprises one or more transducers, is used to device 500 that the state estimation of various aspects is provided.For example, sensor cluster 514 can detect the opening/closing state of device 500, the relative positioning of assembly, for example described assembly is display and the keypad of device 500, the position of all right checkout gear 500 of sensor cluster 514 or 500 1 assemblies of device changes, user is with device 500 existence that contact or do not have the variations in temperature of device 500 orientation or acceleration/deceleration and device 500.Sensor cluster 514 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 514 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 514 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 516 is configured to be convenient to the communication of wired or wireless mode between device 500 and other equipment.Device 500 wireless networks that can access based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communications component 516 receives broadcast singal or the broadcast related information from external broadcasting management system via broadcast channel.In one exemplary embodiment, described communications component 516 also comprises near-field communication (NFC) module, to promote junction service.For example, can be based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 500 can be realized by one or more application specific integrated circuits (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, for carrying out said method.
In the exemplary embodiment, also provide a kind of non-provisional computer-readable recording medium that comprises instruction, for example, comprised the memory 504 of instruction, above-mentioned instruction can have been carried out by the processor 518 of device 500 all or part of step of said method.For example, described non-provisional computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage equipment etc.
Those skilled in the art, considering specification and putting into practice after invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised undocumented common practise or the conventional techniques means in the art of the disclosure.Specification and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various modifications and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (15)
1. a dynamic picture display packing, is characterized in that, comprising:
Obtain dynamic picture, described dynamic picture is comprised of a continuously individual picture frame;
Dynamic picture described in segmentation decoding successively;
After each decoding, the picture frame that decoding is obtained writes broadcasting queue, and described broadcasting queue is for storing the round-robin queue of decoded picture frame;
When described broadcasting queue exists picture frame, frame reads and Shows Picture from described broadcasting queue.
2. method according to claim 1, is characterized in that, dynamic picture described in described segmentation decoding successively, comprising:
From the first picture frame in the picture frame of not decoding described dynamic picture, choose successively the picture frame of predetermined number;
Picture frame to the described predetermined number selecting is decoded.
3. method according to claim 1, is characterized in that, described after each decoding, the picture frame that decoding is obtained writes broadcasting queue, comprising:
After decoding first, from the head of the queue of described broadcasting queue, the picture frame that decoding is obtained writes described broadcasting queue successively;
After non-decoding first, write while playing queue at every turn, detect the tail of the queue whether picture frame finally writing is positioned at described broadcasting queue;
If whether the position that testing result for the picture frame that finally writes is not positioned at the tail of the queue of described broadcasting queue, detects after the picture frame finally writing in described broadcasting queue is empty; If testing result is that the position after the picture frame finally writing in described broadcasting queue is sky,, from the position after the described picture frame finally writing, the picture frame decoding is write to described broadcasting queue successively; If testing result is that the position after the picture frame finally writing in described broadcasting queue is non-NULL, suspends the picture frame decoding is write to described broadcasting queue;
If testing result is positioned at the tail of the queue of described broadcasting queue for the picture frame that finally writes, whether the head of the queue that detects described broadcasting queue is empty; If the head of the queue that testing result is described broadcasting queue is empty,, from the head of the queue of described broadcasting queue, the picture frame decoding is write to described broadcasting queue successively; If the head of the queue that testing result is described broadcasting queue is non-NULL, suspends the picture frame decoding is write to broadcasting queue successively.
4. method according to claim 1, is characterized in that, described when described broadcasting queue exists picture frame, and the frame that reads and Show Picture from described broadcasting queue, comprising:
Detect in described broadcasting queue whether have picture frame in real time;
When described broadcasting queue being detected and have picture frame, the first picture frame not being read from described broadcasting queue starts, and frame successively reads and Show Picture.
5. method according to claim 4, is characterized in that, also comprises:
Detect the tail of the queue that whether has read described broadcasting queue;
If testing result, for to read the tail of the queue of described broadcasting queue, continues from the head of the queue of described broadcasting queue, frame successively reads and Shows Picture.
6. method according to claim 1, is characterized in that, also comprises:
When the complete described dynamic picture of segmentation decoding, from the head of described dynamic picture, the step of dynamic picture described in segmentation decoding successively described in re-executing.
7. according to arbitrary described method in claim 1 to 6, it is characterized in that, also comprise:
Whether the capacity that detects described dynamic picture is greater than predetermined threshold;
If the capacity that testing result is described dynamic picture is greater than described predetermined threshold, the step of dynamic picture described in segmentation decoding successively described in carrying out.
8. a dynamic picture display unit, is characterized in that, comprising:
Acquisition module, for obtaining dynamic picture, described dynamic picture is comprised of a continuously individual picture frame;
Decoder module, for dynamic picture described in segmentation decoding successively;
Writing module, for after each decoding, the picture frame that described decoder module decoding is obtained writes broadcasting queue, and described broadcasting queue is for storing the round-robin queue of decoded picture frame;
Display module, for when described broadcasting queue exists picture frame, frame reads and Shows Picture from described broadcasting queue.
9. device according to claim 8, is characterized in that, described decoder module, comprising:
Choose unit, for the first picture frame the picture frame of not decoding from described dynamic picture, choose successively the picture frame of predetermined number;
Decoding unit, for decoding to the described picture frame of choosing the described predetermined number that unit selection goes out.
10. device according to claim 8, is characterized in that, said write module, comprising:
The first writing unit, for after decoding first, from the head of the queue of described broadcasting queue, the picture frame that decoding is obtained writes described broadcasting queue successively;
The first detecting unit for after non-decoding first, writes while playing queue at every turn, detects the tail of the queue whether picture frame finally writing is positioned at described broadcasting queue;
The second detecting unit, while not being positioned at the tail of the queue of described broadcasting queue for the testing result at described the first detecting unit for the picture frame that finally writes, whether the position of detecting after the picture frame finally writing in described broadcasting queue is empty; The second writing unit, for being that position after the picture frame that finally writes of described broadcasting queue is during for sky in the testing result of described the second detecting unit, from the position after the described picture frame finally writing, the picture frame decoding is write to described broadcasting queue successively; First suspends unit, for the testing result at described the second detecting unit, is that position after the picture frame that finally writes of described broadcasting queue is non-NULL, suspends the picture frame decoding is write to described broadcasting queue;
The 3rd detecting unit, while being positioned at the tail of the queue of described broadcasting queue for the testing result at described the first detecting unit for the picture frame finally writing, whether the head of the queue that detects described broadcasting queue is empty; The 3rd writing unit, when the head of the queue that is described broadcasting queue for the testing result at described the 3rd detecting unit is empty, from the head of the queue of described broadcasting queue, writes described broadcasting queue by the picture frame decoding successively; Second suspends unit, when the head of the queue that is described broadcasting queue for the testing result at described the 3rd detecting unit is non-NULL, suspends the picture frame decoding is write to broadcasting queue successively.
11. devices according to claim 8, is characterized in that, described display module, comprising:
Whether the 4th detecting unit, there is picture frame for detecting in real time described broadcasting queue;
The first display unit, while there is picture frame for described broadcasting queue being detected when described the 4th detecting unit, the first picture frame not being read from described broadcasting queue starts, and frame successively reads and Shows Picture.
12. devices according to claim 11, is characterized in that, described display module, also comprises:
The 5th detecting unit, for detection of the tail of the queue that whether has read described broadcasting queue;
The second display unit, is, while having read the tail of the queue of described broadcasting queue, to continue from the head of the queue of described broadcasting queue for the testing result at described the 5th detecting unit, and frame successively reads and Show Picture.
13. devices according to claim 8, is characterized in that, also comprise:
Trigger module, for when the complete described dynamic picture of segmentation decoding, from the head of described dynamic picture, triggers described decoder module dynamic picture described in segmentation decoding successively again.
In 14. according to Claim 8 to 13, arbitrary described device, is characterized in that, also comprises:
Whether detection module, be greater than predetermined threshold for detection of the capacity of described dynamic picture;
Described decoder module, when the capacity that is also described dynamic picture for the testing result at described detection module is greater than described predetermined threshold, dynamic picture described in segmentation decoding successively.
15. 1 kinds of dynamic picture display unit, is characterized in that, comprising:
Processor;
For storing the memory of described processor executable;
Wherein, described processor is configured to:
Obtain dynamic picture, described dynamic picture is comprised of a continuously individual picture frame;
Dynamic picture described in segmentation decoding successively;
After each decoding, the picture frame that decoding is obtained writes broadcasting queue, and described broadcasting queue is for storing the round-robin queue of decoded picture frame;
When described broadcasting queue exists picture frame, frame reads and Shows Picture from described broadcasting queue.
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