CN106409315B - A kind of control method and device that multimedia fast forwarding and fast rewinding plays - Google Patents
A kind of control method and device that multimedia fast forwarding and fast rewinding plays Download PDFInfo
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- CN106409315B CN106409315B CN201610956438.6A CN201610956438A CN106409315B CN 106409315 B CN106409315 B CN 106409315B CN 201610956438 A CN201610956438 A CN 201610956438A CN 106409315 B CN106409315 B CN 106409315B
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- mobile range
- fast forward
- playout length
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/28—Speed controlling, regulating, or indicating
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/022—Control panels
- G11B19/025—'Virtual' control panels, e.g. Graphical User Interface [GUI]
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention relates to the control method and device that field of communication technology more particularly to a kind of multimedia fast forwarding and fast rewinding play.By the way that predeterminated position is being respectively set at the beginning play position of multimedia file and end play position, user is only capable of carrying out fast forward and fast reverse between predeterminated position at two at this, multimedia file will carry out normal play after play position is moved to predeterminated position, to through user demand, avoid directly exiting the broadcasting of multimedia file because of fast forward and fast reverse operation；In addition, the present invention also from the relationship of user's operation and user demand, proposes to execute the time span of skip forward/back operation according to user to adjust the amplitude of skip forward/back.Present invention reduces the operating times of user's skip forward/back, can quickly navigate to user and wish the segment played, simplify user's operation, improve user experience.
Description
Technical field
The control method and dress played the present invention relates to field of communication technology more particularly to a kind of multimedia fast forwarding and fast rewinding
It sets.
Background technology
Now, indispensable audio-visual tool during audio/video player has become for people's lives.People can pass through network
The player of the carryings such as TV or desktop computer, laptop, hand-held mobile terminal carries out the viewing of audio, video data,
On these broadcasting tools, F.F. is also commonly used other than watching audio, video data according to normal broadcasting speed in user
Or fast reverse operation is moved to the position for wishing to play.But existing fast forward and fast reverse mode defines fixed mobile variable T,
It is exactly the time span that each rewind of user or F.F. can only all move T, it is more difficult to navigate to the ideal position of user.
Invention content
Inventor, which studies, to be found：During audio and video playing, user carries out the time span reflection of skip forward/back operation
User wishes the hope of skip forward/back, shows as：Skip forward/back operating time length then wishes that the amplitude of skip forward/back is big,
The skip forward/back operating time is short, wishes that the amplitude of skip forward/back is small, and the fast forward and fast reverse mode in the prior art that is limited to defines
Fixed mobile variable is resulted in the need for keeping skip forward/back operation that can just be moved to the segment that user wishes broadcasting for a long time, be used
Family experience is poor, and to larger (such as the F.F. button of TV remote controller is lost for executing the button of skip forward/back function
Or rewind button is easy to lead to dysfunction or failure because of long-time pressing).In addition, inventor also found, if user keeps
Skip forward/back operates, and play position can jump at the end of audio and video or beginning, then exit audio and video playing, this is simultaneously
It is not that user is desirable, because when user executes skip forward/back operation, being desirable to quickly navigate to ideal position, without
It is to exit audio and video playing；In the prior art, because the broadcasting pictures that fast-forwarding fast is stepped back lag behind the behaviour of user's skip forward/back
Make, is easy, in user's long-press fast forward and fast reverse button backed off after random audio and video playing, to cause very poor user experience.
To solve the above problems, inventor proposes a kind of control method and device that fast forwarding and fast rewinding plays.Its thinking is：For
Two predeterminated positions are arranged in multimedia file, and between predeterminated position, user can execute fast forward and fast reverse operation, pre- when reaching
If then according to normal speed forward when position, to avoid directly exiting playback of media files because skip forward/back operates；This
Outside, this programme also proposes to execute the time span of skip forward/back operation to adjust the amplitude of skip forward/back, specifically according to user
For, skip forward/back speed as user keeps the length for the time that skip forward/back operates to increase and increases, shortened with this
The operating time of user's skip forward/back quickly navigates to user and wishes the segment played, simplifies user's operation.
The present invention provides a kind of control method that multimedia fast forwarding and fast rewinding plays, including：
The current play position of real-time acquiring multi-media file and remaining playout length, the residue playout length refers to working as
Preceding play position is to the playout length between predeterminated position；
Detect the operation that user carries out fast forward and fast reverse playback；
According to the remaining playout length, the duration of user's operation fast forward and fast reverse and preset most short mobile range
Determine the mobile range of fast forward and fast reverse；
According to the mobile range carry out fast forward and fast reverse, until current play position be in predetermined position or to
It detects that user stops the operation of fast forward and fast reverse playback before up to predeterminated position, then presses normal playback speed and play more matchmakers
Body file.
Preferably, described according to the remaining playout length, the duration of user's operation fast forward and fast reverse and preset
Most short mobile range determines the mobile range of fast forward and fast reverse, including：
Judge whether the remaining playout length of multimedia file is more than preset most short mobile range；
If the residue playout length is more than most short mobile range, according to the duration of user's operation fast forward and fast reverse
The mobile range of fast forward and fast reverse is determined with remaining playout length；
If the residue playout length is not more than most short mobile range, it is determined that the residue playout length is for F.F. or soon
The mobile range moved back.
Preferably, the duration according to user's operation fast forward and fast reverse and remaining playout length determine F.F. or fast
The mobile range moved back, including：
The mobile range of fast forward and fast reverse is calculated according to the duration of fast forward and fast reverse；
Judge whether the mobile range for calculating gained is less than remaining playout length, if so, determining the shifting obtained by the calculating
Dynamic amplitude is the mobile range of fast forward and fast reverse, if not, it is determined that the residue playout length is the mobile width of fast forward and fast reverse
Degree.
Preferably, the mobile range of fast forward and fast reverse is calculated in the duration according to fast forward and fast reverse, including：
Obtain the duration of user's operation fast forward and fast reverse；
According to the duration and preset period, the current fast forward and fast reverse operation residing period is determined；
Calculate the mobile range of fast forward and fast reverse in the period, wherein the mobile width of fast forward and fast reverse in first period
Degree is most short mobile range, and the mobile range of fast forward and fast reverse is mobile range and the acceleration of the N-1 period in the n-th period
The product of multiple, N are the integer more than 2.
Further, before the current play position of real-time acquiring multi-media file and remaining playout length, further include：
Multimedia document information is obtained, the multimedia document information includes the playout length of multimedia file and accelerates again
Number, the acceleration multiple are directly proportional to playout length.
Specifically, the predeterminated position includes the first predeterminated position and the second predeterminated position, and first predeterminated position connects
The beginning play position of nearly multimedia file, end play position of second predeterminated position close to multimedia file；Into
When row forwarding operation, the residue playout length refers to current play position to the playout length between the second predeterminated position；
When carrying out fast reverse operation, the residue playout length refers to current play position to the playout length between the first predeterminated position.
Correspondingly, the present invention also provides the control devices that a kind of multimedia fast forwarding and fast rewinding plays, including：
Acquiring unit, the current play position for real-time acquiring multi-media file and remaining playout length, the residue
Playout length refers to current play position to the playout length between predeterminated position；
Detection unit carries out the operation of fast forward and fast reverse playback for detecting user；
Processing unit is used for according to the remaining playout length, the duration of user's operation fast forward and fast reverse and presets
Most short mobile range determine the mobile range of fast forward and fast reverse；
Execution unit, for carrying out fast forward and fast reverse according to the mobile range, until current play position is in default
It detects that user stops the operation of fast forward and fast reverse playback at position or before reaching predeterminated position, then presses normal play speed
Degree plays the multimedia file.
Preferably, the processing unit includes：
Judgment sub-unit, for judging whether the remaining playout length of multimedia file is more than preset most short mobile width
Degree；
First determination subelement, for judging that the remaining playout length is more than most short mobile range in judgment sub-unit
Afterwards, the mobile range of fast forward and fast reverse is determined according to the duration of user's operation fast forward and fast reverse and remaining playout length
Second determination subelement, for judging that the remaining playout length is not more than most short mobile width in judgment sub-unit
After degree, determine that the remaining playout length is the mobile range of fast forward and fast reverse.
Preferably, first determination subelement includes：
Computing module, the mobile range for fast forward and fast reverse to be calculated according to the duration of fast forward and fast reverse；
Judgment module, for judging whether the mobile range for calculating gained is less than remaining playout length；
First determining module is grown for judging that the mobile range obtained by the calculating is less than remaining play in judgment module
After degree, determine that the mobile range obtained by the calculating is the mobile range of fast forward and fast reverse；
Second determining module, for judging that the mobile range obtained by the calculating is played not less than remaining in judgment module
After length, determine that the remaining playout length is the mobile range of fast forward and fast reverse.
Preferably, the computing module includes：
Acquisition submodule, the duration for obtaining user's operation fast forward and fast reverse；
Determination sub-module, for according to the duration and preset period, determining current fast forward and fast reverse operation
The residing period；
Computational submodule, the mobile range for calculating fast forward and fast reverse in day part, wherein F.F. in first period
Or the mobile range of rewind is most short mobile range, the mobile range of fast forward and fast reverse is the N-1 period in the n-th period
Mobile range and the product for accelerating multiple, N are the integer more than 2.
Further, the acquiring unit is additionally operable to obtain multimedia document information, and the multimedia document information includes
The playout length and acceleration multiple, the acceleration multiple of multimedia file are directly proportional to playout length.
Preferably, the predeterminated position includes the first predeterminated position and the second predeterminated position, and first predeterminated position connects
The beginning play position of nearly multimedia file, end play position of second predeterminated position close to multimedia file；Into
When row forwarding operation, the residue playout length refers to current play position to the playout length between the second predeterminated position；
When carrying out fast reverse operation, the residue playout length refers to current play position to the playout length between the first predeterminated position.
The present invention has the advantages that：
The present invention is default by being respectively set at the beginning play position of close multimedia file and end play position
Position when user carries out fast forward and fast reverse operation, is only capable of carrying out fast forward and fast reverse between predeterminated position at two at this, when playing position
Normal play will be carried out by setting multimedia file after being moved to predeterminated position, to stop enough adjustment times for user, be avoided
Because the broadcasting of multimedia file is directly exited in fast forward and fast reverse operation.In addition, the present invention is also from user's operation and user demand
Relationship is set out, and proposes to execute the time span of skip forward/back operation according to user to adjust the amplitude of skip forward/back, specifically,
The speed of skip forward/back shortens user as user keeps the length for the time that skip forward/back operates to increase and increases with this
The operating time of skip forward/back quickly navigates to user and wishes the segment played, simplifies user's operation.The present invention program is through
User demand improves user experience.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology and advantage, below will be to implementing
Example or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description is only
Only it is some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the hardware knot of the terminal of multimedia fast forwarding and fast rewinding control method for playing back according to the ... of the embodiment of the present invention
Structure block diagram；
Fig. 2 is the flow chart for the control method that multimedia fast forwarding and fast rewinding according to the ... of the embodiment of the present invention plays；
Fig. 3 is the detail flowchart for the control method that multimedia fast forwarding and fast rewinding according to the ... of the embodiment of the present invention plays；
Fig. 4 is the schematic diagram of a scenario of various speed play mode according to the ... of the embodiment of the present invention；
Fig. 5 is the schematic diagram for the device that multimedia fast forwarding and fast rewinding according to the ... of the embodiment of the present invention plays；
Fig. 6 is the structure diagram of the first determination subelement according to the ... of the embodiment of the present invention；
Fig. 7 is the structure diagram of computing module according to the ... of the embodiment of the present invention；
Fig. 8 is the structure diagram of terminal according to the ... of the embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
It includes to be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment to cover non-exclusive
Those of clearly list step or unit, but may include not listing clearly or for these processes, method, product
Or the other steps or unit that equipment is intrinsic.
Embodiment 1
The present embodiment provides a kind of embodiments for the control method that multimedia fast forwarding and fast rewinding plays, it should be noted that
The step of flow of attached drawing illustrates can execute in the computer system of such as a group of computer-executable instructions, also,
It, in some cases, can be with different from shown in sequence execution herein although logical order is shown in flow charts
The step of going out or describing.
Embodiment of the method provided herein can be in mobile terminal, terminal or similar arithmetic unit
It executes.For running on computer terminals, Fig. 1 is the control that multimedia fast forwarding and fast rewinding according to the ... of the embodiment of the present invention plays
The hardware block diagram of the terminal of method.As shown in Figure 1, terminal 100 may include one or more (in figure
Only showing one) (processor 102 can include but is not limited to Micro-processor MCV or programmable logic device FPGA to processor 102
Deng processing unit), memory 104 for storing data and for the transmitting device 106 of communication function.This field is general
Logical technical staff is appreciated that structure shown in FIG. 1 is only to illustrate, and does not cause to limit to the structure of above-mentioned electronic device.
For example, terminal 100 may also include more either less components than shown in Fig. 1 or have different from shown in Fig. 1
Configuration.
Memory 104 can be used for storing the software program and module of application software, such as more matchmakers in the embodiment of the present invention
Corresponding program instruction/the module of control method that body fast forwarding and fast rewinding plays, processor 102 are stored in memory 104 by operation
Interior software program and module realizes above-mentioned multimedia F.F. to perform various functions application and data processing
Rewind control method.Memory 104 may include high speed random access memory, may also include nonvolatile memory, such as one or
Multiple magnetic storage devices, flash memory or other non-volatile solid state memories.In some instances, memory 104 can be into one
Step includes the memory remotely located relative to processor 102, these remote memories can pass through network connection to computer
Terminal 10.The example of above-mentioned network includes but not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 106 is used to receive via a network or transmission data.Above-mentioned network specific example may include
The wireless network that the communication providers of terminal 100 provide.In an example, transmitting device 106 includes a network
Adapter (Network Interface Controller, referred to as NIC), can be connected by base station with other network equipments
So as to be communicated with internet.In an example, transmitting device 106 can be radio frequency (Radio Frequency, letter
Referred to as RF) module, it is used to wirelessly be communicated with internet.
Under above-mentioned running environment, this application provides the controls that a kind of multimedia fast forwarding and fast rewinding as shown in Figure 2 plays
Method.This method can be applied in intelligent terminal, be executed by the processor in intelligent terminal, intelligent terminal
Can be smart mobile phone, tablet computer, smart television etc..At least one application program, this hair are installed in intelligent terminal
The type of bright embodiment not defining application, can be system class application program, or software class application program.
Fig. 2 is the flow chart for the control method that multimedia fast forwarding and fast rewinding according to the ... of the embodiment of the present invention plays.Such as Fig. 2 institutes
Show, a kind of optional scheme of this method includes the following steps：
Step 201, the current play position of real-time acquiring multi-media file and remaining playout length, remaining play are grown
Degree refers to current play position to the playout length between predeterminated position；
Step S202, detection user carry out the operation of fast forward and fast reverse playback；
Step S203, according to the remaining playout length, the duration of user's operation fast forward and fast reverse and it is preset most
Short mobile range determines the mobile range of fast forward and fast reverse；
Step S204 carries out fast forward and fast reverse according to the mobile range, until current play position is in predeterminated position
Place detects that user stops the operation of fast forward and fast reverse playback before reaching predeterminated position, then is broadcast by normal playback speed
Put the multimedia file.
Specifically, the predeterminated position includes the first predeterminated position and the second predeterminated position, and first predeterminated position connects
The beginning play position of nearly multimedia file, end play position of second predeterminated position close to multimedia file；Into
When row forwarding operation, the residue playout length refers to current play position to the playout length between the second predeterminated position；
When carrying out fast reverse operation, the residue playout length refers to current play position to the playout length between the first predeterminated position.
The present invention is default by being respectively set at the beginning play position of close multimedia file and end play position
Position when user carries out fast forward and fast reverse operation, is only capable of carrying out fast forward and fast reverse between predeterminated position at two at this, when playing position
Normal play will be carried out by setting multimedia file after being moved to predeterminated position, to stop enough adjustment times for user, be avoided
Because the broadcasting of multimedia file is directly exited in fast forward and fast reverse operation.The present invention is this to be improved from user demand, is gone directly and is used
Needed for family, user experience is improved.
Embodiment 2
The present embodiment provides the control methods that a kind of multimedia fast forwarding and fast rewinding plays.Under such as running environment of embodiment 1,
This application provides the control methods that multimedia fast forwarding and fast rewinding as shown in Figure 3 plays.Fig. 3 is according to the ... of the embodiment of the present invention more
The flow chart for the control method that media fast forwarding and fast rewinding plays.As shown in figure 3, a kind of optional scheme of this method includes following step
Suddenly：
Step 1：Obtain multimedia document information.Wherein, multimedia file includes video file and audio file, more matchmakers
Body fileinfo includes at least the playout length of multimedia file and accelerates multiple, in addition, it can include multimedia file
Title, clarity and whether need the information such as payment, the playout length of multimedia file can use complete this document play needed for
Time indicates that on the display screen, the playout length of multimedia file is intuitively presented as reproduction time progress bar, progress bar
Front end be multimedia file beginning play position, the end of progress bar is the end play position of multimedia file.For
Free video, playout length are that video starts play position to the distance between play position is terminated, and are regarded for what need to be paid
Frequently, playout length is to try the corresponding length of partial content.The acceleration multiple is set according to the playout length of multimedia file
It sets, accelerates multiple directly proportional to playout length, for example, setting the corresponding acceleration multiple of 10 minutes films of playout length as 3, broadcast
The corresponding acceleration multiple of 1 hour film of degree of lengthening is 6.Certainly accelerate multiple can be fixed value, can also according to it is different when
Different acceleration multiples is arranged in section, for example, control strategy is that different acceleration multiples is arranged in the different periods, such as：User
It presses fast forward button and maintains 3s, be referred to table (one), it is 1 to accelerate multiple in the 0s-1s stages, is accelerated again in the 1s-2s stages
Number is 2, and it is 4 to accelerate multiple in 3s.Certainly, identical acceleration multiple can be both arranged for fast forward and reverse operation, also might be used
Different acceleration multiples is arranged.
Table (one)：
| Period | F.F. duration (s) | Accelerate multiple |
| 1 | 0-1 | 1 |
| 2 | 1-2 | 2 |
| 3 | 2-5 | 4 |
| 4 | 5-7 | 5 |
Step 2：Under the broadcast state of multimedia file, the current play position of real-time acquiring multi-media file and surplus
Remaining playout length.
The broadcast state of multimedia file includes that playing and pause play, and the residue playout length refers to currently broadcasting
Position is put to the playout length between predeterminated position, there are two predeterminated position, the first predeterminated positions to lean on for each multimedia file
The beginning play position of nearly multimedia file, the second predeterminated position is close to the end play position of multimedia file, this step institute
The remaining playout length said includes remaining rewind length and remaining F.F. length, and remaining rewind length is current play position to the
Playout length between one predeterminated position, remaining F.F. length are that current play position is grown to the broadcasting between the second predeterminated position
Degree.
For example, the short-movie for being 2 minutes for a playing duration, the first predeterminated position is apart from head 5s, the second default position
It sets and (is located in time schedule article at 115s) apart from run-out 5s, if current play position, in 50s, remaining F.F. is long
Degree is 65s, and remaining rewind length is 45s.
Step 3：Detection user carries out the operation of fast forward and fast reverse playback in real time.
User can control multimedia file fast forward and fast reverse playback in several ways, such as press fast on remote controler
Into or rewind button mouse is moved into screen or, mouse is moved to screen left part and long-press left mouse button implements fast reverse operation
Right part and long-press right mouse button implement forwarding operation, or, " ← " key on long-press keyboard implements fast reverse operation, long-press keyboard
On " → " key implement forwarding operation, or, sliding from right to left to implement fast reverse operation on the touchscreen, slide from left to right
To implement forwarding operation.In this step, detect user in real time and carry out fast forward and fast reverse operation, according to forwarding operation of user or
The duration of fast reverse operation can identify user view, and the duration is longer to show that user wishes the amplitude of fast forward and fast reverse more
Greatly, user presses fast forward and fast reverse operation key until the process lifted is considered as a forwarding operation or fast reverse operation.
Step 4：According to remaining playout length, the duration of user's operation fast forward and fast reverse and preset most short movement
Amplitude determines the mobile range of fast forward and fast reverse, and carries out fast forward and fast reverse according to the mobile range, until currently playing position
It sets in predetermined position or detects that user stops the operation of fast forward and fast reverse playback before reaching predeterminated position, then press
Normal playback speed plays the multimedia file.
Preferably, after detecting that user carries out the operation of fast forward and fast reverse, first determine whether that the residue of multimedia file is broadcast
Whether degree of lengthening is more than preset most short mobile range；If the residue playout length is not more than most short mobile range, it is determined that
The residue playout length is the mobile range of fast forward and fast reverse；If the residue playout length is more than most short mobile range,
The mobile range of fast forward and fast reverse is determined according to the duration of user's operation fast forward and fast reverse and remaining playout length.
Wherein, the shifting of fast forward and fast reverse is determined according to the duration of user's operation fast forward and fast reverse and remaining playout length
Dynamic amplitude, including：The mobile range of fast forward and fast reverse is calculated according to the duration of fast forward and fast reverse；Judge to calculate gained
Mobile range whether be less than remaining playout length, if not, it is determined that the residue playout length is the movement of fast forward and fast reverse
Amplitude, if so, determining that the mobile range obtained by the calculating is the mobile range of fast forward and fast reverse.Specifically, the basis is fast
Into or the duration of rewind the mobile range of fast forward and fast reverse is calculated, including：Obtain user's operation fast forward and fast reverse
Duration；According to the duration and preset period, the current fast forward and fast reverse operation residing period is determined；It calculates
The mobile range of fast forward and fast reverse in the period, wherein the mobile range of fast forward and fast reverse is most short movement in first period
Amplitude, the mobile range of fast forward and fast reverse is the mobile range and the product for accelerating multiple, N of the N-1 period in the n-th period
For the integer more than 2.
Below to carry out forwarding operation pair Step 3: four are described in detail to video.Including：
S1：In video display process, the operation that detection user carries out F.F. thens follow the steps S2 if detecting, if not examining
It measures, then keeps existing video broadcasting condition, such as play video by normal playback speed.
S2：Judge whether the remaining playout length of video is more than most short mobile range, if it is not, then being jumped from current play position
The predeterminated position close to run-out is gone to, and video is played according to normal playback speed；If so, being carried out according to most short mobile range
F.F. executes step S3 later.
S3：Detect whether user is keeping forwarding operation, if it is not, then restoring normal playback speed；If so, obtaining user
The duration for operating F.F., according to the duration and preset period, when determining the period residing for current forwarding operation, and calculating this
The mobile range of F.F. in section, wherein the mobile range of F.F. is most short mobile range in first period, from second period
Start, the mobile range of present period was the mobile range of a upper period and the corresponding product for accelerating multiple.
Example：If acceleration multiple is fixed value a, 1s, the duration of currently detected forwarding operation are divided between day part
For 3s, it is assumed that remaining playout length is more than most short mobile range, then, the corresponding mobile ranges of 1s are most short mobile range L, the
The corresponding mobile ranges of 2s are a*L, and the corresponding mobile ranges of 3s are a*a*L.
S4：The mobile range that step S3 is calculated is compared with remaining playout length, whether judges remaining playout length
More than mobile range, if it is not, then the predeterminated position close to run-out is jumped to from current location, if so, according to the mobile range
Into F.F., and the S3 that gos to step.
The present invention is default by being respectively set at the beginning play position of close multimedia file and end play position
Position when user carries out fast forward and fast reverse operation, is only capable of carrying out fast forward and fast reverse between predeterminated position at two at this, when playing position
Normal play will be carried out by setting multimedia file after being moved to predeterminated position, to stop enough adjustment times for user, be avoided
Because the broadcasting of multimedia file is directly exited in fast forward and fast reverse operation, to through user demand, user experience is improved.In addition,
The present invention proposes that the time that skip forward/back operation is executed according to user is long also from the relationship of user's operation and user demand
It spends to adjust the amplitude of skip forward/back, specifically, the speed of skip forward/back keeps the time that skip forward/back operates with user
Length increase and increases, shorten the operating time of user's skip forward/back with this, quickly navigate to user wish broadcasting piece
Section simplifies user's operation, at the same time, additionally aids the service life for extending fast forwarding and fast rewinding function key.As shown in figure 4, one
The video clip that the 8s times finish playing is needed, accelerates that 4s is needed to complete to play at 2 times, accelerates then at 4 times
It needs 2s to complete to play, can so shorten user operation time.
It should be noted that for embodiment of the method above-mentioned, for simple description, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence, because according to
According to the present invention, certain steps can be performed in other orders or simultaneously.Next, those skilled in the art should also know that,
Embodiment described in this description belongs to preferred embodiment, and not necessarily the present invention must for involved action and module
Must.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical scheme of the present invention is substantially in other words to existing
The part that technology contributes can be expressed in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment 3
The present embodiment provides the control devices that a kind of multimedia fast forwarding and fast rewinding plays.As shown in figure 5, the device includes obtaining
Unit 50, detection unit 60, processing unit 70 and execution unit 80.
Acquiring unit 50, the current play position for real-time acquiring multi-media file and remaining playout length, it is described surplus
Remaining playout length refers to current play position to the playout length between predeterminated position；
Detection unit 60 carries out the operation of fast forward and fast reverse playback for detecting user；
Processing unit 70, for according to the remaining playout length, the duration of user's operation fast forward and fast reverse and pre-
If most short mobile range determine the mobile range of fast forward and fast reverse；
Execution unit 80, for carrying out fast forward and fast reverse according to the mobile range, until current play position is in pre-
If detecting that user stops the operation of fast forward and fast reverse playback at position or before reaching predeterminated position, then normal play is pressed
Speed plays the multimedia file.
In the control device that the multimedia fast forwarding and fast rewinding of the embodiment plays, acquiring unit 50 is for executing implementation of the present invention
Step S201 in example 1, detection unit 60 are used to execute the step S202 in the embodiment of the present invention 1, and processing unit 70 is for holding
Step S203 in the row embodiment of the present invention 1, execution unit 80 are used to execute the step S204 in the embodiment of the present invention 1.
As an alternative embodiment, the processing unit 70 includes judgment sub-unit 71, the first determination subelement
72 and second determination subelement 73.
Judgment sub-unit 71, for judging whether the remaining playout length of multimedia file is more than preset most short mobile width
Degree；
First determination subelement 72, for judging that the remaining playout length is more than most short mobile width in judgment sub-unit
After degree, the mobile range of fast forward and fast reverse is determined according to the duration of user's operation fast forward and fast reverse and remaining playout length
Second determination subelement 73, for judging that the remaining playout length is not more than most short movement in judgment sub-unit
After amplitude, determine that the remaining playout length is the mobile range of fast forward and fast reverse.
Referring to Fig. 6, first determination subelement 72 includes computing module 722, judgment module 723, the first determining module
724 and second determining module 725.
Computing module 722, the mobile range for fast forward and fast reverse to be calculated according to the duration of fast forward and fast reverse；
Judgment module 723, for judging whether the mobile range for calculating gained is less than remaining playout length；
First determining module 724, for judging that the mobile range obtained by the calculating is broadcast less than residue in judgment module
After degree of lengthening, determine that the mobile range obtained by the calculating is the mobile range of fast forward and fast reverse；
Second determining module 725, for judging the mobile range obtained by the calculating not less than residue in judgment module
After playout length, determine that the remaining playout length is the mobile range of fast forward and fast reverse.
Referring to Fig. 7, the computing module 722 includes acquisition submodule 7221, determination sub-module 7222 and computational submodule
7223。
Acquisition submodule 7221, the duration for obtaining user's operation fast forward and fast reverse；
Determination sub-module 7222, for according to the duration and preset period, determining current fast forward and fast reverse
The operation residing period；
Computational submodule 7223, the mobile range for calculating fast forward and fast reverse in day part, wherein in first period
The mobile range of fast forward and fast reverse is most short mobile range, when the mobile range of fast forward and fast reverse is the N-1 in the n-th period
The mobile range of section and the product for accelerating multiple, N are the integer more than 2.
Optionally, the acquiring unit 50 is additionally operable to obtain multimedia document information, and the multimedia document information includes
The playout length and acceleration multiple, the acceleration multiple of multimedia file are directly proportional to playout length.
Further, the predeterminated position includes the first predeterminated position and the second predeterminated position, first predeterminated position
Close to the beginning play position of multimedia file, end play position of second predeterminated position close to multimedia file；
When carrying out forwarding operation, the residue playout length refers to current play position to the playout length between the second predeterminated position；
When carrying out fast reverse operation, the residue playout length refers to that current play position to the broadcasting between the first predeterminated position is grown
Degree.
The present invention for multimedia file by being arranged two predeterminated positions, and between predeterminated position, user can execute soon
Into or fast reverse operation, when reaching predeterminated position then according to normal speed forward, to avoid because that skip forward/back operates is direct
Exit playback of media files；In addition, this programme also proposes to execute the time span of skip forward/back operation according to user to adjust soon
Into the amplitude of/rewind, specifically, the speed of skip forward/back keeps the length for the time that skip forward/back operates to increase with user
And increase, shorten the operating time of user's skip forward/back with this, quickly navigating to user wishes the segment played, simplifies and uses
Family operates.
Embodiment 4
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
The program code performed by control method that a kind of multimedia fast forwarding and fast rewinding for preserving above-described embodiment plays.
Optionally, in the present embodiment, above-mentioned storage medium can be located in multiple network equipments of computer network
At least one network equipment.
Optionally, in the present embodiment, storage medium is arranged to store the program code for executing following steps：
The first step, the current play position of real-time acquiring multi-media file and remaining playout length, remaining play are grown
Degree refers to current play position to the playout length between predeterminated position.
Second step, detection user carry out the operation of fast forward and fast reverse playback.
Third walks, according to the remaining playout length, the duration of user's operation fast forward and fast reverse and preset most short
Mobile range determines the mobile range of fast forward and fast reverse.
4th step carries out fast forward and fast reverse according to the mobile range, until current play position is in predetermined position
Or detect that user stops the operation of fast forward and fast reverse playback before reaching predeterminated position, then it presses normal playback speed and plays
The multimedia file.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
The various media that can store program code such as CD.
Embodiment 5
The embodiment of the present invention also provides a kind of terminal, which can be in terminal group
Any one computer terminal.Optionally, in the present embodiment, above computer terminal can also replace with mobile terminal
Equal terminal devices.
Optionally, in the present embodiment, above computer terminal can be located in multiple network equipments of computer network
At least one network equipment.
Optionally, Fig. 8 is the structure diagram of terminal according to the ... of the embodiment of the present invention.As shown in figure 8, the computer
Terminal A may include：One or more (one is only shown in figure) processors 801, memory 803 and transmitting device 805.
Wherein, memory 803 can be used for storing software program and module, such as the multimedia F.F. in the embodiment of the present invention
Corresponding program instruction/the module of control method and device of fast reverse play, processor 801 are stored in memory 803 by operation
Interior software program and module realizes above-mentioned multimedia F.F. to perform various functions application and data processing
Fast reverse play.Memory 803 may include high speed random access memory, can also include nonvolatile memory, such as one or more
A magnetic storage device, flash memory or other non-volatile solid state memories.In some instances, memory 803 can be further
Include the memory remotely located relative to processor 801, these remote memories can pass through network connection to computer end
Hold A.The example of above-mentioned network includes but not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
Above-mentioned transmitting device 805 is used to receive via a network or transmission data.Above-mentioned network specific example
It may include cable network and wireless network.In an example, transmitting device 805 includes a network adapter, can be passed through
Cable is connected to be communicated with internet or LAN with other network equipments with router.In an example, it passes
Defeated device 805 is radio-frequency module, is used to wirelessly be communicated with internet.
Wherein, specifically, memory 803 is used to store information, the Yi Jiying of deliberate action condition and default access user
Use program.
Processor 801 can call the information and application program that memory 803 stores by transmitting device, following to execute
Step：
The first step, the current play position of real-time acquiring multi-media file and remaining playout length, remaining play are grown
Degree refers to current play position to the playout length between predeterminated position.
Second step, detection user carry out the operation of fast forward and fast reverse playback.
Third walks, according to the remaining playout length, the duration of user's operation fast forward and fast reverse and preset most short
Mobile range determines the mobile range of fast forward and fast reverse.
4th step carries out fast forward and fast reverse according to the mobile range, until current play position is in predetermined position
Or detect that user stops the operation of fast forward and fast reverse playback before reaching predeterminated position, then it presses normal playback speed and plays
The multimedia file.
Specific example in the present embodiment can refer to the example described in above-described embodiment 1 and embodiment 2, herein not
It repeats again.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
If the integrated unit in above-described embodiment is realized in the form of SFU software functional unit and as independent product
Sale in use, can be stored in the storage medium that above computer can be read.Based on this understanding, skill of the invention
Substantially all or part of the part that contributes to existing technology or the technical solution can be with soft in other words for art scheme
The form of part product embodies, which is stored in a storage medium, including some instructions are used so that one
Platform or multiple stage computers equipment (can be personal computer, server or network equipment etc.) execute each embodiment institute of the present invention
State all or part of step of method.
In the above embodiment of the present invention, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed client, it can be by others side
Formula is realized.Wherein, the apparatus embodiments described above are merely exemplary, for example, the unit division, only one
Kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
It is desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed it is mutual it
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
Claims (18)
1. the control method that a kind of multimedia fast forwarding and fast rewinding plays, which is characterized in that including：
The current play position of real-time acquiring multi-media file and remaining playout length, the residue playout length refers to currently broadcasting
Position is put to the playout length between predeterminated position；
Detect the operation that user carries out fast forward and fast reverse playback；
It is determined according to the remaining playout length, the duration of user's operation fast forward and fast reverse and preset most short mobile range
The mobile range of fast forward and fast reverse；
Fast forward and fast reverse is carried out according to the mobile range, until current play position is in predetermined position or pre- reaching
If detecting that user stops the operation of fast forward and fast reverse playback before position, then presses normal playback speed and play the multimedia text
Part；
Wherein, described according to the remaining playout length, the duration of user's operation fast forward and fast reverse and preset most short shifting
Dynamic amplitude determines the mobile range of fast forward and fast reverse, including：
Judge whether the remaining playout length of multimedia file is more than preset most short mobile range；
If the residue playout length is more than most short mobile range, according to the duration of user's operation fast forward and fast reverse and remain
Remaining playout length determines the mobile range of fast forward and fast reverse；
If the residue playout length is not more than most short mobile range, it is determined that the residue playout length is fast forward and fast reverse
Mobile range.
2. according to the method described in claim 1, it is characterized in that, the duration according to user's operation fast forward and fast reverse
The mobile range of fast forward and fast reverse is determined with remaining playout length, including：
The mobile range of fast forward and fast reverse is calculated according to the duration of fast forward and fast reverse；
Judge whether the mobile range for calculating gained is less than remaining playout length, if so, determining the mobile width obtained by the calculating
Degree is the mobile range of fast forward and fast reverse, if not, it is determined that the residue playout length is the mobile range of fast forward and fast reverse.
3. according to the method described in claim 2, it is characterized in that, described be calculated according to the duration of fast forward and fast reverse
The mobile range of fast forward and fast reverse, including：
Obtain the duration of user's operation fast forward and fast reverse；
According to the duration and preset period, the current fast forward and fast reverse operation residing period is determined；
Calculate the mobile range of fast forward and fast reverse in the period, wherein the mobile range of fast forward and fast reverse is in first period
Most short mobile range, the mobile range of fast forward and fast reverse is the mobile range and acceleration multiple of the N-1 period in the n-th period
Product, N is integer more than 2.
4. according to the method described in claim 1, it is characterized in that, real-time acquiring multi-media file current play position and
Before remaining playout length, further include：
Multimedia document information is obtained, the multimedia document information includes the playout length and acceleration multiple of multimedia file,
The acceleration multiple is directly proportional to playout length.
5. the control device that a kind of multimedia fast forwarding and fast rewinding plays, which is characterized in that including：
Acquiring unit, the current play position for real-time acquiring multi-media file and remaining playout length, the remaining broadcasting
Length refers to current play position to the playout length between predeterminated position；
Detection unit carries out the operation of fast forward and fast reverse playback for detecting user；
Processing unit, for according to the remaining playout length, the duration of user's operation fast forward and fast reverse and it is preset most
Short mobile range determines the mobile range of fast forward and fast reverse；
Execution unit, for carrying out fast forward and fast reverse according to the mobile range, until current play position is in predeterminated position
Place detects that user stops the operation of fast forward and fast reverse playback before reaching predeterminated position, then is broadcast by normal playback speed
Put the multimedia file；
Wherein, the processing unit includes：Judgment sub-unit, for judging whether the remaining playout length of multimedia file is more than
Preset most short mobile range；
First determination subelement, for after judgment sub-unit judges that the remaining playout length is more than most short mobile range,
The mobile range of fast forward and fast reverse is determined according to the duration of user's operation fast forward and fast reverse and remaining playout length
Second determination subelement, for judging that the remaining playout length is not more than most short mobile range in judgment sub-unit
Afterwards, determine that the remaining playout length is the mobile range of fast forward and fast reverse.
6. device according to claim 5, which is characterized in that first determination subelement includes：
Computing module, the mobile range for fast forward and fast reverse to be calculated according to the duration of fast forward and fast reverse；
Judgment module, for judging whether the mobile range for calculating gained is less than remaining playout length；
First determining module, for judging that the mobile range obtained by the calculating is less than remaining playout length in judgment module
Afterwards, determine that the mobile range obtained by the calculating is the mobile range of fast forward and fast reverse；
Second determining module, for judging that the mobile range obtained by the calculating is not less than remaining playout length in judgment module
Afterwards, determine that the remaining playout length is the mobile range of fast forward and fast reverse.
7. device according to claim 6, which is characterized in that the computing module includes：
Acquisition submodule, the duration for obtaining user's operation fast forward and fast reverse；
Determination sub-module, for according to the duration and preset period, determining residing for current fast forward and fast reverse operation
Period；
Computational submodule, the mobile range for calculating fast forward and fast reverse in day part, wherein F.F. or fast in first period
The mobile range moved back is most short mobile range, and the mobile range of fast forward and fast reverse is the movement of the N-1 period in the n-th period
Amplitude and the product for accelerating multiple, N are the integer more than 2.
8. device according to claim 6, which is characterized in that
The acquiring unit is additionally operable to obtain multimedia document information, and the multimedia document information includes multimedia file
Playout length and acceleration multiple, the acceleration multiple are directly proportional to playout length.
9. the control method that a kind of multimedia fast forwarding and fast rewinding plays, which is characterized in that including：
The current play position of real-time acquiring multi-media file and remaining playout length, the residue playout length refers to currently broadcasting
Position is put to the playout length between predeterminated position；
Detect the operation that user carries out fast forward and fast reverse playback；
It is determined according to the remaining playout length, the duration of user's operation fast forward and fast reverse and preset most short mobile range
The mobile range of fast forward and fast reverse；
Fast forward and fast reverse is carried out according to the mobile range, until current play position is in predetermined position or pre- reaching
If detecting that user stops the operation of fast forward and fast reverse playback before position, then presses normal playback speed and play the multimedia text
Part；
Wherein, the predeterminated position includes the first predeterminated position and the second predeterminated position, and first predeterminated position is close to more matchmakers
The beginning play position of body file, end play position of second predeterminated position close to multimedia file；
When carrying out forwarding operation, the residue playout length refers to current play position to the broadcasting between the second predeterminated position
Length；
When carrying out fast reverse operation, the residue playout length refers to current play position to the broadcasting between the first predeterminated position
Length.
10. according to the method described in claim 9, it is characterized in that, described fast according to the remaining playout length, user's operation
Into or rewind duration and preset most short mobile range determine the mobile range of fast forward and fast reverse, including：
Judge whether the remaining playout length of multimedia file is more than preset most short mobile range；
If the residue playout length is more than most short mobile range, according to the duration of user's operation fast forward and fast reverse and remain
Remaining playout length determines the mobile range of fast forward and fast reverse；
If the residue playout length is not more than most short mobile range, it is determined that the residue playout length is fast forward and fast reverse
Mobile range.
11. according to the method described in claim 10, it is characterized in that, it is described according to user's operation fast forward and fast reverse it is lasting when
Long and remaining playout length determines the mobile range of fast forward and fast reverse, including：
The mobile range of fast forward and fast reverse is calculated according to the duration of fast forward and fast reverse；
Judge whether the mobile range for calculating gained is less than remaining playout length, if so, determining the mobile width obtained by the calculating
Degree is the mobile range of fast forward and fast reverse, if not, it is determined that the residue playout length is the mobile range of fast forward and fast reverse.
12. according to the method for claim 11, which is characterized in that described to be calculated according to the duration of fast forward and fast reverse
To the mobile range of fast forward and fast reverse, including：
Obtain the duration of user's operation fast forward and fast reverse；
According to the duration and preset period, the current fast forward and fast reverse operation residing period is determined；
Calculate the mobile range of fast forward and fast reverse in the period, wherein the mobile range of fast forward and fast reverse is in first period
Most short mobile range, the mobile range of fast forward and fast reverse is the mobile range and acceleration multiple of the N-1 period in the n-th period
Product, N is integer more than 2.
13. according to the method described in claim 9, it is characterized in that, real-time acquiring multi-media file current play position
Before remaining playout length, further include：
Multimedia document information is obtained, the multimedia document information includes the playout length and acceleration multiple of multimedia file,
The acceleration multiple is directly proportional to playout length.
14. the control device that a kind of multimedia fast forwarding and fast rewinding plays, which is characterized in that including：
Acquiring unit, the current play position for real-time acquiring multi-media file and remaining playout length, the remaining broadcasting
Length refers to current play position to the playout length between predeterminated position；
Detection unit carries out the operation of fast forward and fast reverse playback for detecting user；
Processing unit, for according to the remaining playout length, the duration of user's operation fast forward and fast reverse and it is preset most
Short mobile range determines the mobile range of fast forward and fast reverse；
Execution unit, for carrying out fast forward and fast reverse according to the mobile range, until current play position is in predeterminated position
Place detects that user stops the operation of fast forward and fast reverse playback before reaching predeterminated position, then is broadcast by normal playback speed
Put the multimedia file；
Wherein, the predeterminated position includes the first predeterminated position and the second predeterminated position, and first predeterminated position is close to more matchmakers
The beginning play position of body file, end play position of second predeterminated position close to multimedia file；
When carrying out forwarding operation, the residue playout length refers to current play position to the broadcasting between the second predeterminated position
Length；
When carrying out fast reverse operation, the residue playout length refers to current play position to the broadcasting between the first predeterminated position
Length.
15. device according to claim 14, which is characterized in that the processing unit includes：
Judgment sub-unit, for judging whether the remaining playout length of multimedia file is more than preset most short mobile range；
First determination subelement, for after judgment sub-unit judges that the remaining playout length is more than most short mobile range,
The mobile range of fast forward and fast reverse is determined according to the duration of user's operation fast forward and fast reverse and remaining playout length
Second determination subelement, for judging that the remaining playout length is not more than most short mobile range in judgment sub-unit
Afterwards, determine that the remaining playout length is the mobile range of fast forward and fast reverse.
16. device according to claim 15, which is characterized in that first determination subelement includes：
Computing module, the mobile range for fast forward and fast reverse to be calculated according to the duration of fast forward and fast reverse；
Judgment module, for judging whether the mobile range for calculating gained is less than remaining playout length；
First determining module, for judging that the mobile range obtained by the calculating is less than remaining playout length in judgment module
Afterwards, determine that the mobile range obtained by the calculating is the mobile range of fast forward and fast reverse；
Second determining module, for judging that the mobile range obtained by the calculating is not less than remaining playout length in judgment module
Afterwards, determine that the remaining playout length is the mobile range of fast forward and fast reverse.
17. device according to claim 16, which is characterized in that the computing module includes：
Acquisition submodule, the duration for obtaining user's operation fast forward and fast reverse；
Determination sub-module, for according to the duration and preset period, determining residing for current fast forward and fast reverse operation
Period；
Computational submodule, the mobile range for calculating fast forward and fast reverse in day part, wherein F.F. or fast in first period
The mobile range moved back is most short mobile range, and the mobile range of fast forward and fast reverse is the movement of the N-1 period in the n-th period
Amplitude and the product for accelerating multiple, N are the integer more than 2.
18. device according to claim 16, which is characterized in that
The acquiring unit is additionally operable to obtain multimedia document information, and the multimedia document information includes multimedia file
Playout length and acceleration multiple, the acceleration multiple are directly proportional to playout length.
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| CN201610956438.6A CN106409315B (en) | 2016-10-27 | 2016-10-27 | A kind of control method and device that multimedia fast forwarding and fast rewinding plays |
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| CN111467798B (en) * | 2020-04-01 | 2021-09-21 | 腾讯科技（深圳）有限公司 | Frame display method, device, terminal and storage medium in game application program |
| CN111464871A (en) * | 2020-04-10 | 2020-07-28 | 北京奇艺世纪科技有限公司 | Video fast-forwarding method and device, electronic equipment and storage medium |
| CN112188254A (en) * | 2020-09-29 | 2021-01-05 | 深圳创维－Rgb电子有限公司 | Video playing double-speed switching processing method and device based on television terminal |
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