CN104918120B - A kind of playback progress adjusting method and electronic equipment - Google Patents
A kind of playback progress adjusting method and electronic equipment Download PDFInfo
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- CN104918120B CN104918120B CN201410090126.2A CN201410090126A CN104918120B CN 104918120 B CN104918120 B CN 104918120B CN 201410090126 A CN201410090126 A CN 201410090126A CN 104918120 B CN104918120 B CN 104918120B
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Abstract
The present invention discloses a kind of playback progress adjusting method and electronic equipment.The described method includes: the playback progress for obtaining user's input adjusts operation；It is adjusted and is operated based on the playback progress, generate the playback progress regulating command comprising the first video playback time information；According to the shortest video frame of time interval of the first time point indicated with the first video playback time information, the playback progress of the video file is adjusted, to start to play the video file based on the video frame.Using method or electronic equipment of the invention, the playback progress of video file can be adjusted based on the nearest video frame of the first time point after being adjusted with user, degree of regulation is higher.
Description
Technical field
The present invention relates to control fields, more particularly to a kind of playback progress adjusting method and electronic equipment.
Background technique
At present electronic equipment, especially various portable terminals usually all have media file playing function.Playing matchmaker
When body file, the electronic equipment with display screen can show the broadcast interface of media file on a display screen.
In the prior art, for the playback progress adjusting method of the video file played online, be mainly based upon segment into
What row was adjusted.So-called segment refers to video file complete for one, the multiple video file segments being divided into.Often
The video playback time length of a video file segments is substantially in 10 to 15 seconds ranges.In the prior art, when receiving user
After the video playback time of input, corresponding video file segments can be navigated to according to the video playback time, from the video
The initial position of file fragment starts playing video file.This adjusting method, has a problem that: for example, when user inputs
Video playback time when being the 14th second of some video file segments, due to be opened from the initial position of the video file segments
Begin to play, so needing to play 13 seconds preposition contents, the 14th second content can be played.
As it can be seen that in the prior art, for the playback progress adjusting method of video file, being adjusted by being then based on segment
, so degree of regulation is lower, and then lead to not quick response playback progress regulating command.
Summary of the invention
The object of the present invention is to provide a kind of playback progress adjusting method and electronic equipment, can be based on after being adjusted with user
First time point nearest video frame the playback progress of video file is adjusted, degree of regulation is higher.
To achieve the above object, the present invention provides following schemes:
A kind of playback progress adjusting method, applied to the electronic equipment with display unit, the display unit is shown
The broadcast interface of video file,
The described method includes:
The playback progress for obtaining user's input adjusts operation；
It is adjusted and is operated based on the playback progress, generated the playback progress adjusting comprising the first video playback time information and refer to
It enables；
According to the shortest video frame of time interval of the first time point indicated with the first video playback time information,
The playback progress of the video file is adjusted, to start to play the video file based on the video frame.
Optionally, the time interval for the first time point that the basis is indicated with the first video playback time information is most
Short video frame adjusts the playback progress of the video file, specifically includes:
According to the shortest I frame of time interval of the first time point indicated with the first video playback time information, adjust
Save the playback progress of the video file.
Optionally, the time interval for the first time point that the basis is indicated with the first video playback time information is most
Short I frame, adjusts the playback progress of the video file, specifically includes:
Determine the corresponding video file segments of the first time point；
Judge whether the parsing data for being cached with the video file segments, obtains the first judging result；
When first judging result, which is, is, obtained between the time of the first time point from the parsing data
Every I frame most short and before the first time point；
Based on the I frame, the playback progress of the video file is adjusted.
Optionally, described to be based on the I frame, the playback progress of the video file is adjusted, is specifically included:
The currently playing video pictures of the video file are adjusted to the I frame.
Optionally, described to be based on the I frame, the playback progress of the video file is adjusted, is specifically included:
Based on the I frame, generates most short with the time interval of first time point and be located at before the first time point
Video frame；
Alternatively, being based on the I frame, the video frame for being located at the first time point is generated.
A kind of electronic equipment, the electronic equipment have display unit, and the display unit shows broadcasting for video file
Interface is put,
The electronic equipment includes:
Playback progress adjusts operation acquiring unit, and the playback progress for obtaining user's input adjusts operation；
Playback progress regulating command acquiring unit is generated for adjusting operation based on the playback progress comprising the first view
The playback progress regulating command of frequency play time information；
Playback progress adjusts unit, for according to the first time point indicated with the first video playback time information
The shortest video frame of time interval, adjusts the playback progress of the video file, to start to play institute based on the video frame
State video file.
Optionally, the playback progress adjusts unit, specifically includes:
First playback progress regulator unit, when for according to first indicated with the first video playback time information
Between the shortest I frame of time interval put, adjust the playback progress of the video file.
Optionally, the first playback progress regulator unit, specifically includes:
Video file segments determine subelement, for determining the corresponding video file segments of the first time point；
First judgment sub-unit, the parsing data for judging whether to be cached with the video file segments, obtains first
Judging result；
I frame obtain subelement, for when first judging result be when, from the parsing data acquisition with it is described
The time interval of first time point it is most short and be located at the first time point before I frame；
First I frame regulator unit adjusts the playback progress of the video file for being based on the I frame.
Optionally, the first I frame regulator unit, specifically includes:
First regulator unit, for the currently playing video pictures of the video file to be adjusted to the I frame.
Optionally, the first I frame regulator unit, specifically includes:
Second regulator unit, for being based on the I frame, generating most short with the time interval of first time point and being located at institute
State the video frame before first time point；
And/or third regulator unit generates the video frame for being located at the first time point for being based on the I frame.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
Playback progress adjusting method of the invention and electronic equipment are generated by adjusting operation based on the playback progress
Playback progress regulating command comprising the first video playback time information；It is indicated according to the first video playback time information
First time point the shortest video frame of time interval, the playback progress of the video file is adjusted, to be based on the view
Frequency frame starts to play the video file；It can be based on the nearest video frame of the first time point after being adjusted with user to video text
The playback progress of part is adjusted, and degree of regulation is higher.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow chart of playback progress adjusting method embodiment 1 of the invention；
Fig. 2 is the flow chart of playback progress adjusting method embodiment 2 of the invention；
Fig. 3 is the flow chart of playback progress adjusting method embodiment 3 of the invention；
Fig. 4 is the structure chart of electronic equipment embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Playback progress adjusting method of the invention, applied to the electronic equipment with display unit.The electronic equipment can
To be mobile phone, tablet computer or desktop computer, laptop etc..The display unit can be on the electronic equipment
Display.The display unit shows the broadcast interface of video file.The broadcast interface can be video reproduction program pair
The broadcast interface answered.
Fig. 1 is the flow chart of playback progress adjusting method embodiment 1 of the invention.As shown in Figure 1, this method can wrap
It includes:
Step 101: the playback progress for obtaining user's input adjusts operation；
Time shaft can be shown on the broadcast interface.Playback progress adjusting block can be shown on the time shaft.
The playback progress, which adjusts operation, can be the drag operation that user carries out the playback progress adjusting block.The playback progress
It adjusts operation and is also possible to user's input play time, so that video file be made directly to play since the play time.
Step 102: based on the playback progress adjust operation, generate comprising the first video playback time information broadcasting into
Spend regulating command；
When user input playback progress adjust operation after, can according to the playback progress adjust operate, determine described in
First video playback time information.For example, it is assumed that the total duration of a video file is 10 minutes, when user passes through playback progress
When playback progress adjusting block is adjusted to the middle position of time shaft by adjusting operation, the first video playback time information can be determined
It is 5 minutes.
Play time is directly inputted for user to realize the case where playback progress adjusts operation, so that it may input user
Play time as the first video playback time information.
Step 103: the time interval according to the first time point indicated with the first video playback time information is most short
Video frame, the playback progress of the video file is adjusted, to start to play the video file based on the video frame.
According to the first time point that the first video playback time information indicates, it can determine and be broadcast with first video
Put the shortest video frame of time interval of the first time point of temporal information expression.For example, when the first video playback time information
It is 3 points of 45 seconds I frames with 3 points of shortest I frames of 48 seconds time intervals when the first time point of expression is 3 points and 48 seconds.At this point,
The playback progress of the adjustable video file plays the video file since 3 points of 45 seconds I frames.
In practical application, playback progress is later than the video content of the first time point, and user may not yet watch.Cause
This, in order to guarantee not allow user to omit the content of video file, can from playback progress earlier than the first time point and with
The shortest video frame of the time interval of the first time point starts to play.
In conclusion, by adjusting operation based on the playback progress, generating includes the first video playing in the present embodiment
The playback progress regulating command of temporal information；According to the first time point indicated with the first video playback time information when
Between be spaced shortest video frame, the playback progress of the video file is adjusted, to start described in broadcasting based on the video frame
Video file；It can be carried out based on playback progress of the nearest video frame of the first time point after being adjusted with user to video file
It adjusts, degree of regulation is higher.
Fig. 2 is the flow chart of playback progress adjusting method embodiment 2 of the invention.As shown in Fig. 2, this method can wrap
It includes:
Step 201: the playback progress for obtaining user's input adjusts operation；
Step 202: based on the playback progress adjust operation, generate comprising the first video playback time information broadcasting into
Spend regulating command；
Step 203: determining the corresponding video file segments of the first time point；
In practical application, video file can be divided into multiple video file segments.Each video file segments can be with
Including multiple video frames.When video file is the video file played online, can according to video file segments sequence according to
Secondary downloading.After a video file segments are completed in downloading, so that it may play the video file segments.
Specifically, the video that a such as total duration is 5 minutes, is divided into 10 video file segments, then often in total
The duration of a video file segments can be 30 seconds.Playback progress adjusting block is dragged when user adjusts operation by playback progress
When moving 3 points and 45 seconds to time shaft, the time range of the corresponding video file segments of first time point (3 points and 45 seconds) is 3
Points 30 seconds to 4 points it is whole between.
Step 204: judging whether the parsing data for being cached with the video file segments, obtain the first judging result；
If user once played the video file segments or the video file piece using the electronic equipment
When section has been downloaded to the electronic equipment in advance, the electronic equipment can be cached with the solution of the video file segments
Analyse data.
The parsing data can be the data for each video frame that the video file segments are included.From the parsing
Any video frame in the video file segments can be directly found in data.
Step 205: when first judging result, which is, is, being obtained and the first time point from the parsing data
Time interval it is most short and be located at the first time point before I frame；
I frame (I frame) is also known as Intra pictures (intra picture).I frame is also key frame.It is interframe compression
Important frame in coding.Only use the data of I frame with regard to restructural complete image when decoding.I frame is without necessarily referring to other video frames
Data and generate.
Specifically, during mpeg encoded, video frame can be divided into three classes.That is, partial video frame is compressed into
For I frame；Part is compressed into P frame；There are also be partially compressed into B frame.Wherein, I frame includes the complete of one width complete image of composition
Portion's data.P frame and B frame are the video frames compressed on the basis of I frame.
For example, the generation method of B frame is bi-directional predicted interframe compression algorithm.When a frame data frame is compressed into B frame,
It can be compressed to obtain B frame according to the difference of adjacent former frame, this frame and latter frame data.That is B frame only minute book frame
With the difference of before and after frames.It can achieve the high compression rate of 200:1 using the compression of B frame.
P frame is from P frame or the compression of I frame by being located at before itself.P frame method is according to this frame and adjacent former frame
Distilled edition frame data are carried out in the difference of (I frame or P frame).Take P frame and I frame combine compression method can reach higher compression and
Without apparent compression trace.
It can be seen from the above, in I frame, B frame, in the video frame of these three types of P frame, only I frame is independently to have constituted
Whole image.In addition two kinds of video frame is required to just may be constructed complete image with reference to the data of other video frames.Cause
In this present embodiment, the adjusting of video playing progress is carried out based on I frame, it can be ensured that the image of generation is complete video figure
Picture is not influenced by other video requency frame datas.
Step 206: being based on the I frame, adjust the playback progress of the video file, to be started based on the video frame
Play the video file.
Specifically, the currently playing video pictures of the video file can be adjusted to the I frame.
In practical application, an I frame can have within general more than ten seconds in video file.Assuming that user adjust first when
Between point for 5 minutes and 23 seconds when, the time interval apart from the first time point is most short and I before being located at the first time point is true
It can be 5 points of 15 seconds I frames.At this point, the playback progress of the video file can be adjusted to the 5th point 15 seconds, from the 5th point
15 seconds I frames start to play the video file.
In the present embodiment, by being based on the I frame, the playback progress of the video file is adjusted, it can be ensured that generation
Image is complete video image, is not influenced by other video requency frame datas.In addition, I frame described in the present embodiment is to be buffered in
In the electronic equipment, therefore being adjusted to the speed that the I frame plays out is also that comparison is quick, can be broadcast with quick response
Degree of putting into regulating command.
Fig. 3 is the flow chart of playback progress adjusting method embodiment 3 of the invention.As shown in figure 3, this method can wrap
It includes:
Step 301: the playback progress for obtaining user's input adjusts operation；
Step 302: based on the playback progress adjust operation, generate comprising the first video playback time information broadcasting into
Spend regulating command；
Step 303: determining the corresponding video file segments of the first time point；
Step 304: judging whether the parsing data for being cached with the video file segments, obtain the first judging result；
Step 305: when first judging result, which is, is, being obtained and the first time point from the parsing data
Time interval it is most short and be located at the first time point before I frame；
Step 306: being based on the I frame, generate most short with the time interval of first time point and be located at the first time
Video frame before point, to start to play the video file based on the video frame.
In the present embodiment, it can be based on the I frame, generate most short with the time interval of first time point and be located at described the
B frame or P frame before one time point.
Because what B frame or P frame were originally encoded based on I frame, it is possible to be based on the I frame, generate with
The time interval of first time point it is most short and be located at the first time point before B frame or P frame.The data frame specifically generated is
B frame or P frame, then can depend on the time interval of the first time point it is most short and be located at the first time point it
Preceding video frame is which type of data frame.
Because in a usual video file, just there is an I frame at interval in ten seconds or so, and the frequency of occurrences of B frame or P frame is wanted
Much larger than I frame, therefore, it is based on the I frame, generates most short with the time interval of first time point and be located at the first time point
B frame or P frame before can adjust operation in response to the playback progress of user and the playback progress of video file are adjusted to B frame
Or P frame, to improve the accuracy of playback progress adjusting.
Furthermore it should also be noted that, when just having corresponding number on the corresponding time location of the first time point
When according to frame, it can also be based on the I frame, the video frame for being located at the first time point, including I frame, B frame or P frame are generated, from position
Start to play the video file in the video frame of the first time point.
The invention also discloses a kind of electronic equipment.The electronic equipment can be mobile phone, tablet computer or desktop computer,
Laptop etc..The electronic equipment has display unit.The display unit can be aobvious on the electronic equipment
Show device.The display unit shows the broadcast interface of video file.It is corresponding that the broadcast interface can be video reproduction program
Broadcast interface.
Fig. 4 is the structure chart of electronic equipment embodiment of the invention.As shown in figure 4, the electronic equipment may include:
Playback progress adjusts operation acquiring unit 401, and the playback progress for obtaining user's input adjusts operation；
Time shaft can be shown on the broadcast interface.Playback progress adjusting block can be shown on the time shaft.
The playback progress, which adjusts operation, can be the drag operation that user carries out the playback progress adjusting block.The playback progress
It adjusts operation and is also possible to user's input play time, so that video file be made directly to play since the play time.
Playback progress regulating command acquiring unit 402, for adjusting operation based on the playback progress, generating includes first
The playback progress regulating command of video playback time information；
When user input playback progress adjust operation after, can according to the playback progress adjust operate, determine described in
First video playback time information.For example, it is assumed that the total duration of a video file is 10 minutes, when user passes through playback progress
When playback progress adjusting block is adjusted to the middle position of time shaft by adjusting operation, the first video playback time information can be determined
It is 5 minutes.
Play time is directly inputted for user to realize the case where playback progress adjusts operation, so that it may input user
Play time as the first video playback time information.
Playback progress adjusts unit 403, for according to the first time indicated with the first video playback time information
The shortest video frame of time interval of point, adjusts the playback progress of the video file, to start to broadcast based on the video frame
Put the video file.
According to the first time point that the first video playback time information indicates, it can determine and be broadcast with first video
Put the shortest video frame of time interval of the first time point of temporal information expression.For example, when the first video playback time information
It is 3 points of 45 seconds I frames with 3 points of shortest I frames of 48 seconds time intervals when the first time point of expression is 3 points and 48 seconds.At this point,
The playback progress of the adjustable video file plays the video file since 3 points of 45 seconds I frames.
In practical application, playback progress is later than the video content of the first time point, and user may not yet watch.Cause
This, in order to guarantee not allow user to omit the content of video file, can from playback progress earlier than the first time point and with
The shortest video frame of the time interval of the first time point starts to play.
In conclusion, by adjusting operation based on the playback progress, generating includes the first video playing in the present embodiment
The playback progress regulating command of temporal information；According to the first time point indicated with the first video playback time information when
Between be spaced shortest video frame, the playback progress of the video file is adjusted, to start described in broadcasting based on the video frame
Video file；It can be carried out based on playback progress of the nearest video frame of the first time point after being adjusted with user to video file
It adjusts, degree of regulation is higher, can be with quick response playback progress regulating command.
In practical application, the playback progress adjusts unit 403, can specifically include:
First playback progress regulator unit, when for according to first indicated with the first video playback time information
Between the shortest I frame of time interval put, adjust the playback progress of the video file.
In practical application, the first playback progress regulator unit be can specifically include:
Video file segments determine subelement, for determining the corresponding video file segments of the first time point；
First judgment sub-unit, the parsing data for judging whether to be cached with the video file segments, obtains first
Judging result；
I frame obtain subelement, for when first judging result be when, from the parsing data acquisition with it is described
The time interval of first time point it is most short and be located at the first time point before I frame；
First I frame regulator unit adjusts the playback progress of the video file for being based on the I frame.
In practical application, the first I frame regulator unit be can specifically include:
First regulator unit, for the currently playing video pictures of the video file to be adjusted to the I frame.
In practical application, the first I frame regulator unit be can specifically include:
Second regulator unit, for being based on the I frame, generating most short with the time interval of first time point and being located at institute
State the video frame before first time point；
And/or third regulator unit generates the video frame for being located at the first time point for being based on the I frame.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware, but in many cases before
Person is more preferably embodiment.Based on this understanding, technical solution of the present invention contributes to background technique whole or
Person part can be embodied in the form of software products, which can store in storage medium, such as
ROM/RAM, magnetic disk, CD etc., including some instructions are used so that a computer equipment (can be personal computer, service
Device or the network equipment etc.) execute method described in certain parts of each embodiment of the present invention or embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For electronics disclosed in embodiment
For equipment, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method portion
It defends oneself bright.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (2)
1. a kind of playback progress adjusting method, applied to the electronic equipment with display unit, which is characterized in that the display is single
Member shows the broadcast interface of video file,
The described method includes:
The playback progress for obtaining user's input adjusts operation；
It is adjusted and is operated based on the playback progress, generate the playback progress regulating command comprising the first video playback time information；
According to the shortest video frame of time interval of the first time point indicated with the first video playback time information, adjust
The playback progress of the video file specifically includes to start to play the video file based on the video frame:
Determine the corresponding video file segments of the first time point；Wherein, when video file is online plays, according to video
The sequence of file fragment is successively downloaded；
Judge whether the parsing data for being cached with the video file segments, obtains the first judging result；
When first judging result, which is, is, obtained with the time interval of the first time point most from the parsing data
I frame that is short and being located at before the first time point；
Based on the I frame, video that is most short with the time interval of first time point and being located at before the first time point is generated
Frame, the video frame are B frame or P frame；
Alternatively, being based on the I frame, the video frame for being located at the first time point is generated.
2. a kind of electronic equipment, the electronic equipment has display unit, which is characterized in that the display unit shows video
The broadcast interface of file,
The electronic equipment includes:
Playback progress adjusts operation acquiring unit, and the playback progress for obtaining user's input adjusts operation；
Playback progress regulating command acquiring unit is generated and is broadcast comprising the first video for adjusting operation based on the playback progress
Put the playback progress regulating command of temporal information；
Playback progress adjusts unit, for the time according to the first time point indicated with the first video playback time information
It is spaced shortest video frame, adjusts the playback progress of the video file, to start to play the view based on the video frame
Frequency file；
The playback progress adjusts unit, specifically includes:
First playback progress regulator unit, for according to the first time point indicated with the first video playback time information
The shortest I frame of time interval, adjust the playback progress of the video file；
The first playback progress regulator unit, specifically includes:
Video file segments determine subelement, for determining the corresponding video file segments of the first time point；Wherein, work as view
When frequency file is online plays, successively downloaded according to the sequence of video file segments；
First judgment sub-unit, the parsing data for judging whether to be cached with the video file segments, obtains the first judgement
As a result；
I frame obtains subelement, for being obtained and described first from the parsing data when first judging result, which is, is
The time interval at time point it is most short and be located at the first time point before I frame；
First I frame regulator unit adjusts the playback progress of the video file for being based on the I frame；
The first I frame regulator unit, specifically includes:
Second regulator unit is generated most short with the time interval of first time point and is located at described for being based on the I frame
Video frame before one time point, the video frame are B frame or P frame；
And/or third regulator unit generates the video frame for being located at the first time point for being based on the I frame.
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| US10705709B2 (en) | 2018-03-05 | 2020-07-07 | Qingdao Hisense Media Network Technology Co., Ltd. | Playing media |
| CN110234031A (en) * | 2018-03-05 | 2019-09-13 | 青岛海信传媒网络技术有限公司 | A kind of method and device of media play |
| CN108768832B (en) * | 2018-05-24 | 2022-07-12 | 腾讯科技（深圳）有限公司 | Interaction method and device between clients, storage medium and electronic device |
| CN111436005B (en) * | 2019-01-15 | 2022-03-08 | 北京字节跳动网络技术有限公司 | Method and apparatus for displaying image |
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