CN108769769A - Playback method, device and the computer readable storage medium of video - Google Patents
Playback method, device and the computer readable storage medium of video Download PDFInfo
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- CN108769769A CN108769769A CN201810540936.1A CN201810540936A CN108769769A CN 108769769 A CN108769769 A CN 108769769A CN 201810540936 A CN201810540936 A CN 201810540936A CN 108769769 A CN108769769 A CN 108769769A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000033764 rhythmic process Effects 0.000 claims abstract description 131
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- 230000008859 change Effects 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000004891 communication Methods 0.000 description 10
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440245—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64746—Control signals issued by the network directed to the server or the client
- H04N21/64761—Control signals issued by the network directed to the server or the client directed to the server
- H04N21/64769—Control signals issued by the network directed to the server or the client directed to the server for rate control
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The disclosure is directed to a kind of playback method of video, device and computer readable storage mediums, are related to field of terminal technology.This method includes：Determine at least one of background music of target video rhythm area, and the target video is segmented according at least one rhythm area, and then at least one first video-frequency band and at least one second video-frequency band are obtained, it that is to say, target video can be segmented automatically according to background music.Later, during playing background music, at least one first video-frequency band can be played with the first play frame rate, and at least one second video-frequency band is played with the second play frame rate.Since the first play frame rate and the second play frame rate are different, the play frame rate of video can be automatically adjusted by the method that the embodiment of the present disclosure provides, and automatically play music and video collocation.
Description
Technical field
This disclosure relates to field of terminal technology more particularly to a kind of playback method of video, device and computer-readable deposit
Storage media.
Background technology
With the continuous development of movie and television play industry in recent years, the rich of video is being continuously increased, and is seen for the ease of user
See various videos, it usually needs play out to video.
Currently, video can be played with different play frame rate, it is also an option that background of one section of music as the video
Music, i.e. video and music play simultaneously.Wherein, play frame rate refers to the frame numbers of played video per second.It broadcasts at the same time
When putting video and music, play frame rate different from video corresponding part in part different in music can be arranged in pairs or groups.
For example, the higher part of the play frame rate of the climax parts of music and video is arranged in pairs or groups, by the non-climax parts of the music
It arranges in pairs or groups with the lower part of play frame rate of video.Currently, it is substantially the play frame rate that user manually adjusts video, with
Music and video are subjected to collocation broadcasting.
Invention content
To overcome the problems in correlation technique, the disclosure provides a kind of playback method of video, device and computer
Readable storage medium storing program for executing.
In a first aspect, a kind of playback method of video is provided, including：
Determine at least one of background music of target video rhythm area, at least one rhythm area is by described
Section of each volume duration in background music determines to obtain；
The target video is segmented according at least one rhythm area, obtain at least one first video-frequency band and
At least one second video-frequency band, at least one first video-frequency band refer at least one rhythm area described in the target video
Corresponding video-frequency band, at least one second video-frequency band refer to that at least one first video-frequency band is removed in the target video
Except video-frequency band；
During playing the background music, at least one first video-frequency band is played with the first play frame rate,
And at least one second video-frequency band, first play frame rate and second play frame rate are played with the second play frame rate
It is different.
Optionally, at least one of background music of determining target video rhythm area, including：
Determine that the sound wave trajectory diagram of the background music of the target video, the sound wave trajectory diagram are according to the background sound
It draws to obtain in happy section of different volume durations；
According to the corresponding time interval of each volume in the sound wave trajectory diagram, at least one in the background music is determined
A rhythm area.
Optionally, described according to the corresponding time interval of each volume in the sound wave trajectory diagram, determine the background sound
At least one of happy rhythm area, including：
The corresponding time interval of highest volume in the sound wave trajectory diagram is determined, to obtain at least the one of the background music
A louder volume area；
Determine the background music according to the sound wave trajectory diagram at least two rise and fall the period；
It rises and falls the period according to described at least two, determines at least one rhythm transition zone of the background music, Mei Gejie
When to play transition zone refer to that described at least two volumes rising and falling in the period between the two neighboring different periods that rise and fall are corresponding
Between section；
At least one louder volume area and at least one rhythm transition zone are determined as in the background music
At least one rhythm area.
Optionally, each rhythm area includes a start time and an end time；
It is described that the target video is segmented according at least one rhythm is trivial, including：
According to each rhythm, the trivial start time and end time for including, is segmented the target video.
Optionally, described during playing the background music, it is played with the first play frame rate described at least one
First video-frequency band, and at least one second video-frequency band is played with the second play frame rate, including：
During playing the background music, at least one first described in the first play frame rate Reverse Play
Video-frequency band, and at least one second video-frequency band described in the second play frame rate Reverse Play.
Optionally, first play frame rate is more than the recording frame per second of the target video, and second play frame rate is small
In the recording frame per second of the target video.
Second aspect, provides a kind of playing device of video, and described device includes：
Determining module, at least one of background music for determining target video rhythm area, at least one section
It is to determine to obtain by the section of each volume duration in the background music to play area；
Segmentation module obtains at least one for being segmented to the target video according at least one rhythm area
A first video-frequency band and at least one second video-frequency band, at least one first video-frequency band refers to described in the target video
The corresponding video-frequency band at least one rhythm area, at least one second video-frequency band refer in the target video except it is described at least
Video-frequency band except one the first video-frequency band；
Playing module is used for during playing the background music, at least one described in the broadcasting of the first play frame rate
A first video-frequency band, and at least one second video-frequency band, first play frame rate and institute are played with the second play frame rate
State the second play frame rate difference.
Optionally, the determining module includes：
First determination sub-module, the sound wave trajectory diagram of the background music for determining the target video, the sound wave rail
Mark figure is to draw to obtain according to the section of different volume durations of the background music；
Second determination sub-module, for according to the corresponding time interval of each volume in the sound wave trajectory diagram, determining institute
State at least one of background music rhythm area.
Optionally, second determination sub-module includes：
First determination unit, for determining the corresponding time interval of highest volume in the sound wave trajectory diagram, to obtain
State at least one louder volume area of background music；
Second determination unit, for determining that at least two of the background music rises and falls week according to the sound wave trajectory diagram
Phase；
Third determination unit determines at least one of the background music for rising and falling the period according to described at least two
Rhythm transition zone, each rhythm transition zone refer to described at least two rising and falling in the period between the two neighboring different periods that rise and fall
The corresponding time interval of one volume；
4th determination unit, at least one louder volume area and at least one rhythm transition zone to be determined as
At least one of described background music rhythm area.
Optionally, each rhythm area includes a start time and an end time；
The segmentation module includes：
It is segmented submodule, start time and end time for including according to each rhythm area, to the target video
It is segmented.
Optionally, the playing module includes：
Submodule is played, is used for during playing the background music, with the first play frame rate Reverse Play
At least one first video-frequency band, and at least one second video-frequency band described in the second play frame rate Reverse Play.
Optionally, the recording frame per second that the first play frame rate is more than the target video is stated, second play frame rate is less than
The recording frame per second of the target video.
The third aspect, provides a kind of playing device of video, and described device includes：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as executing the step of any one method described in above-mentioned first aspect.
Fourth aspect provides a kind of computer readable storage medium, finger is stored on the computer readable storage medium
The step of enabling, any one method described in above-mentioned first aspect realized when described instruction is executed by processor.
5th aspect provides a kind of computer program product including instruction, when run on a computer so that
Computer executes the step of any one of above-mentioned first aspect the method.
The technical scheme provided by this disclosed embodiment at least can include the following benefits：
In the embodiments of the present disclosure, at least one of background music of target video rhythm area is determined, and extremely according to this
A few rhythm area is segmented the target video, and then obtains at least one first video-frequency band and at least one second video
Section, that is to say, can be segmented automatically to target video according to background music.Later, during playing background music,
Can play at least one first video-frequency band with the first play frame rate, and with the second play frame rate play this at least one second
Video-frequency band.Since the first play frame rate and the second play frame rate are different, the method provided by the embodiment of the present disclosure can be with
The play frame rate of video is automatically adjusted, and automatically plays music and video collocation.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of flow chart of the playback method of video shown according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of the playback method of video shown according to an exemplary embodiment.
Fig. 3 is a kind of exemplary plot of sound wave trajectory diagram shown according to an exemplary embodiment.
It includes Liang Ge louder volumes area and one that Fig. 4, which is according to the rhythm area in the sound wave trajectory diagram shown in an exemplary embodiment,
The exemplary plot of a rhythm transition zone.
Fig. 5 be according to shown in an exemplary embodiment the start time for including according to rhythm area and end time to target
The exemplary plot of video segmentation.
Fig. 6 is according to being put soon to the first video-frequency band in Fig. 5 shown in an exemplary embodiment, and to the second video
The exemplary plot of Duan Jinhang slow plays.
Fig. 7 is the exemplary plot according to the Reverse Play target video shown in an exemplary embodiment.
Fig. 8 is a kind of block diagram of the playing device of video shown according to an exemplary embodiment.
Fig. 9 is a kind of block diagram of the playing device of video shown according to an exemplary embodiment.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects being described in detail in claims, of the invention.
Before carrying out detailed explanation to the embodiment of the present disclosure, first the application scenarios of the embodiment of the present disclosure are carried out
It introduces：
Snapshot and slow motion are two kinds of broadcasting forms common in video, when needing to show quick visual impact effect
When fruit, the play frame rate of video can be improved, to form snapshot；When someone or object carry out feature in needing to video,
The play frame rate that video can be reduced, to form slow motion.And in order to enhance the result of broadcast of snapshot and slow motion, usually may be used
Background music and the collocation of snapshot and slow motion to be played, for example, when playing snapshot, while playing the climax portion of music
Point, when playing slow motion, while playing the flat part of music.
Currently, typically user adjusts the play frame rate of video to form slow motion or snapshot, also, still manually
It is that user manually plays music and video collocation, it is very inconvenient for a user.Therefore, present disclose provides a kind of videos
Playback method, the play frame rate of video can be automatically adjusted, can also automatically by music and video collocation play.
Fig. 1 is a kind of flow chart of the playback method of video shown according to an exemplary embodiment, as shown in Figure 1, should
Method is applied in terminal, includes the following steps.
In a step 101, at least one of background music of target video rhythm area is determined, at least one rhythm area
It is to determine to obtain by the section of each volume duration in the background music.
In a step 102, the target video is segmented according at least one rhythm area, obtains at least one first
Video-frequency band and at least one second video-frequency band, at least one first video-frequency band refer at least one rhythm of this in the target video
The corresponding video-frequency band in area, at least one second video-frequency band refer in the target video in addition at least one first video-frequency band
Video-frequency band.
In step 103, during playing the background music, with the first play frame rate play this at least one first
Video-frequency band, and at least one second video-frequency band, first play frame rate and the second broadcasting frame are played with the second play frame rate
Rate is different.
In the embodiments of the present disclosure, at least one of background music of target video rhythm area is determined, and extremely according to this
A few rhythm area is segmented the target video, and then obtains at least one first video-frequency band and at least one second video
Section, that is to say, can be segmented automatically to target video according to background music.Later, during playing background music,
Can play at least one first video-frequency band with the first play frame rate, and with the second play frame rate play this at least one second
Video-frequency band.Since the first play frame rate and the second play frame rate are different, the method provided by the embodiment of the present disclosure can be with
The play frame rate of video is automatically adjusted, and automatically plays music and video collocation.
Optionally it is determined that at least one of background music of target video rhythm area, including：
Determine the sound wave trajectory diagram of the background music of the target video, the sound wave trajectory diagram be according to the background music not
It draws to obtain with volume duration section；
According to the corresponding time interval of each volume in the sound wave trajectory diagram, determine that at least one of the background music saves
Play area.
Optionally, it according to the corresponding time interval of each volume in the sound wave trajectory diagram, determines in the background music extremely
A few rhythm area, including：
The corresponding time interval of highest volume in the sound wave trajectory diagram is determined, to obtain at least one high of the background music
Volume area；
Determine the background music according to the sound wave trajectory diagram at least two rise and fall the period；
According at least two fluctuating period, determine that at least one rhythm transition zone of the background music, each rhythm turn
It refers to the corresponding time interval of a volume in at least two fluctuating period between the two neighboring different periods that rise and fall to change area；
At least one at least one louder volume area and at least one rhythm transition zone are determined as in the background music
A rhythm area.
Optionally, each rhythm area includes a start time and an end time；
The target video is segmented according at least one rhythm area, including：
According to start time and end time that each rhythm area includes, which is segmented.
Optionally, during playing the background music, which is played with the first play frame rate
Section, and at least one second video-frequency band is played with the second play frame rate, including：
During playing the background music, with the first play frame rate Reverse Play at least one first video
Section, and with the second play frame rate Reverse Play at least one second video-frequency band.
Optionally, which is more than the recording frame per second of the target video, which is less than the mesh
Mark the recording frame per second of video.
Above-mentioned all optional technical solutions, can form the alternative embodiment of the disclosure according to any combination, and the disclosure is real
Example is applied no longer to repeat this one by one.
Fig. 2 is a kind of flow chart of the playback method of video shown according to an exemplary embodiment, and the present embodiment will be right
Embodiment shown in FIG. 1 carries out expansion explanation.This method is applied in terminal, as shown in Fig. 2, this approach includes the following steps.
In step 201, the sound wave trajectory diagram of the background music of target video is determined, which is according to the back of the body
It draws to obtain in the section of different volume durations of scape music.
Can be video increase background music, and then while playing video to enhance the effect of video playing,
Play the background music.Background music is usually constructed with corresponding sound wave trajectory diagram, which is according to the background music
Section of different volume durations draw to obtain, the volume that can be used for describing the background music changes with time feelings
Condition.As shown in figure 3, Fig. 3 is the exemplary plot of sound wave trajectory diagram, wherein laterally represent the time, longitudinally represent volume.
In step 202, it according to the corresponding time interval of each volume in the sound wave trajectory diagram, determines in the background music
At least one rhythm area.
Background music generally includes multiple volumes, and during playing background music with each volume, the volume is usual
It can continue for some time namely the volume corresponds to a time interval, since the sound wave trajectory diagram of the background music can describe
Therefore the case where volume of the background music changes over time can determine the back of the body according to the corresponding time interval of each volume
At least one of scape music rhythm area.
In a kind of possible embodiment, it may be determined that the corresponding time interval of highest volume in sound wave trajectory diagram, with
Determine that at least two of the background music rises and falls week at least one louder volume area of the background music, and according to sound wave trajectory diagram
Then phase at least two rises and falls period according to this, determines at least one rhythm transition zone of the background music, and then can should
At least one louder volume area and at least one rhythm transition zone are determined as at least one of background music rhythm area.Its
In, each rhythm transition zone refers to a volume pair between the two neighboring different periods that rise and fall in at least two fluctuating period
The time interval answered.
It should be noted that all volumes that the sound wave trajectory diagram includes can be determined, and determined from all volumes
Then highest volume determines the corresponding time interval of highest volume, to obtain at least one louder volume area.
In addition, background music generally comprises multiple fluctuating periods, the changing rule of volume is within the identical fluctuating period
It is identical, within the different fluctuating periods variation of volume be different, one between the two neighboring different periods that rise and fall
The corresponding time zone of volume then be rhythm transition zone, to indicate the background music volume changing rule conversion.Therefore, also
According to sound wave trajectory diagram at least one rhythm transition zone can be determined by least two fluctuating periods.
It should be noted that background music generally corresponds to multiple and different volumes, the different time plays background music
Volume may be different, therefore, in addition to that can determine rhythm area includes in the sound wave trajectory diagram louder volume area and rhythm transition zone
Except, it can also determine other volume areas in the sound wave trajectory diagram.Wherein it is possible to which the volume area in addition to rhythm area is known as
Steady volume area.
Wherein, due in sound wave trajectory diagram the corresponding time interval of volume be to be drawn according to same time length,
The corresponding time span all same of all volumes in the background music determined by sound wave trajectory diagram, also, the time span can
To pre-set, for example, 0.5s.
It should be noted that when background music only includes a rhythm area, and when the rhythm area is louder volume area, the rhythm
Area is likely to be in all volume areas on the position in first volume area, it is also possible in the last one volume in all volume areas
On the position in area.
In addition, since rhythm area is the corresponding time interval of a volume, and when a usual time interval includes one
Between starting point and an end time, therefore, each rhythm area include a start time and an end time, start time
That is the time point of rhythm area starting, the time point that the end time i.e. rhythm area terminates.As shown in figure 4, Fig. 4 is shown in Fig. 3
Sound wave trajectory diagram in rhythm area include Liang Ge louder volumes area and a rhythm transition zone exemplary plot, wherein P1 and P2 are
Liang Ge louder volumes area, P3 are rhythm transition zone, and P1, P2 and P3 respectively include a start time and an end time.
In step 203, the target video is segmented according at least one rhythm area, obtains at least one first
Video-frequency band and at least one second video-frequency band, at least one first video-frequency band refer at least one rhythm of this in the target video
The corresponding video-frequency band in area, at least one second video-frequency band refer in the target video in addition at least one first video-frequency band
Video-frequency band.
Since background music includes at least one rhythm area, in obtaining background music by step 202 at least
Behind one rhythm area, you can target video is segmented according at least one rhythm area, to obtain at least two video-frequency bands,
At least two video-frequency band includes at least one first video-frequency band and at least one second video-frequency band, at least one first video
Section refers to the corresponding video-frequency band at least one rhythm area of this in the target video, which refers to the target
Video-frequency band in video in addition at least one first video-frequency band.Wherein, due to the sound in background music other than rhythm
Amount area is known as steady volume area, and at least one first video-frequency band is corresponding at least one rhythm area, therefore at least one second
Video-frequency band is corresponding at least one steady volume area namely at least one second video-frequency band also refers in the target video at least
One corresponding video-frequency band in steady volume area.
It, should it should be noted that only include a rhythm area due to working as background music, and when the rhythm area is louder volume area
Rhythm area is likely to be in all volume areas on the position in first volume area, it is also possible to be in the last one in all volume areas
On the position in volume area.Therefore, a rhythm area is only included in background music, and the rhythm area is louder volume area, and the section
It plays in the case that area is in all volume areas on the position in first volume area or on the position in the last one volume area, when
When being segmented to target video by a rhythm area for the background music, which can be divided into two videos
Section, i.e. first video-frequency band and second video-frequency band, first video-frequency band refer to the corresponding video-frequency band in a rhythm area,
Second video-frequency band refers to that video-frequency band in addition to first video-frequency band.
In a kind of possible embodiment, since each rhythm area includes a start time and an end time,
Therefore, when being segmented to target video according at least one rhythm area, can be according to the time that each rhythm area includes from
Point and end time are segmented the target video, to obtain at least one first video-frequency band and at least one second video
Section.
It is alternatively possible to using the start time in each rhythm area and end time as multiple division points pair of target video
The target video is segmented.For example, as shown in figure 5, Fig. 5 is the start time for including and end time according to rhythm area to mesh
Mark the exemplary plot of video segmentation, wherein a line stain represents target video, and a total of Liang Ge louder volumes area and a section
Transition zone is played, first division points is the start time in first louder volume area, and second division points is first louder volume area
End time, third division points are the start time in second louder volume area, and the 4th division points are second louder volume
The end time in area, the 5th division points are the start time of rhythm transition zone, the 6th division points be rhythm transition zone when
Between terminal, according to this six division points by the target video divide for five video-frequency bands, including three the first video-frequency bands
With two the second video-frequency bands.In addition, start time and end time that Fig. 5 includes only according to rhythm area carry out target video
Segmentation, but play frame rate is not adjusted, therefore, stain therein is equally distributed, indicates that target video is normally to broadcast
Put what frame per second played out.
During being combined music with video, different music is often played in different video-frequency bands, therefore need
Different video-frequency bands is distinguished, namely video is segmented, however compared at present often artificially to video segmentation
Inconvenience, therefore, at least one rhythm area that the method that the embodiment of the present disclosure provides can include according to background music are automatically right
Target video is segmented, and solves the inconvenient property artificially to video segmentation.
In step 204, during playing the background music, with the first play frame rate play this at least one first
Video-frequency band, and at least one second video-frequency band, first play frame rate and the second broadcasting frame are played with the second play frame rate
Rate is different.
It is different due to during playing background music and video simultaneously, generally requiring to play in different video-frequency bands
Music different video-frequency bands can be played with different play frame rate and in order to embody preferable visual effect.
It optionally, can after obtaining at least one first video-frequency band and at least one second video-frequency band by step 203
To play at least one first video-frequency band with the first play frame rate, and this is played with the second play frame rate and at least one second is regarded
Frequency range, first play frame rate is different with second play frame rate namely first play frame rate can be more than second broadcasting
Frame per second might be less that second play frame rate.
It should be noted that target video record when be to be recorded with certain recordings frame per second, broadcasting when with
Certain play frame rate plays out.When play frame rate, which is more than, records frame per second, it is equivalent to and the target video is put soon, example
Such as, the recording frame per second of target video is 30 frames/s, and play frame rate is 60 frames/s, be that is to say, when recording target video, 1s is recorded
30 images, and the video that 1s 60 images of broadcasting namely script 1s can be finished when playing target video needs now
It to be finished within the time of 0.5s, it is clear that be quickly to be played to target video, i.e., put soon.When play frame rate is less than
It when recording frame per second, is equivalent to and slow play is carried out to the target video, for example, the recording frame per second of target video is 120 frames/s, play frame
Rate is 30 frames/s, be that is to say, when recording target video, 1s records 120 images, and 1s can only be broadcast when playing target video
Put the video that 30 images namely script 1s can be finished but needs 4s that can just finish now, it is clear that is to target
Video carries out slow play, i.e. slow play.Wherein, during to target video slow play, when play frame rate is less than normal play
When frame per second, the phenomenon that target video will appear interim card, normal play frame rate can be 24 frames/s.
Therefore, when the first play frame rate is more than the recording frame per second of target video, the second play frame rate is less than target video
When recording frame per second, at least one first video-frequency band is put in expression soon, and slow play is carried out at least one second video-frequency band.
When the first play frame rate is less than the recording frame per second of target video, and the second play frame rate is more than the recording frame per second of target video, table
Show and slow play is carried out at least one first video-frequency band, which is put soon.As shown in fig. 6, Fig. 6
It is three the first video-frequency bands in Fig. 5 to be put soon, and two the second video-frequency bands are carried out with the exemplary plot of slow play, wherein a line
The stain of the first video-frequency band is represented in stain than comparatively dense, the first video-frequency band is put in expression soon, represents the second video-frequency band
For stain than more loose, expression carries out slow play to the second video-frequency band.
It should be noted that under normal conditions, the rhythm area of background music indicate the background music climax parts or
Return portion, the steady volume area of background music indicate the plateau of the background music.Therefore, in order to improve while playing the back of the body
Scape music and target video listen visual effect, when can play background music and target video at the same time, to background music
Corresponding first video-frequency band in rhythm area is put soon, is carried out to corresponding second video-frequency band in the steady volume area of background music slow
It puts.Slow play can certainly be carried out to corresponding first video-frequency band in the rhythm area of background music, to the steady volume of background music
Corresponding second video-frequency band in area is put soon, and the embodiment of the present disclosure does not limit this.
In alternatively possible embodiment, at least one first video-frequency band can be played with different play frame rate,
At least one second video-frequency band can be played with different play frame rate.
In addition, in order to which further increase while playing background music and target video listens visual effect, background is being played
During music, can with Reverse Play target video, namely with the first play frame rate Reverse Play this at least one first
Video-frequency band, and with the second play frame rate Reverse Play at least one second video-frequency band.As shown in fig. 7, Fig. 7 is Reverse Play mesh
Mark the exemplary plot of video.
In the embodiments of the present disclosure, at least one of background music of target video rhythm area is determined, and extremely according to this
A few rhythm area is segmented the target video, and then obtains at least one first video-frequency band and at least one second video
Section, that is to say, can be segmented automatically to target video according to background music.Later, during playing background music,
Can play at least one first video-frequency band with the first play frame rate, and with the second play frame rate play this at least one second
Video-frequency band.Since the first play frame rate and the second play frame rate are different, the method provided by the embodiment of the present disclosure can be with
The play frame rate of video is automatically adjusted, and automatically plays music and video collocation.
Fig. 8 is a kind of 800 block diagram of playing device of video shown according to an exemplary embodiment.As shown in figure 8, the dress
It sets including determining module 801, segmentation module 802 and playing module 803.
Determining module 801, at least one of background music for determining target video rhythm area, at least one section
It is to determine to obtain by the section of each volume duration in the background music to play area；
Segmentation module 802 obtains at least one for being segmented to the target video according at least one rhythm area
First video-frequency band and at least one second video-frequency band, which refers to that this in the target video is at least one
The corresponding video-frequency band in rhythm area, at least one second video-frequency band refer to that at least one first video-frequency band is removed in the target video
Except video-frequency band；
Playing module 803, for during playing the background music, it is at least one to play this with the first play frame rate
First video-frequency band, and at least one second video-frequency band is played with the second play frame rate, first play frame rate and this second broadcast
Put frame per second difference.
Optionally, which includes：
First determination sub-module, the sound wave trajectory diagram of the background music for determining the target video, the sound wave trajectory diagram
It is to draw to obtain according to the section of different volume durations of the background music；
Second determination sub-module, for according to the corresponding time interval of each volume in the sound wave trajectory diagram, determining the back of the body
At least one of scape music rhythm area.
Optionally, the second determination sub-module includes：
First determination unit, for determining the corresponding time interval of highest volume in the sound wave trajectory diagram, to obtain the back of the body
At least one louder volume area of scape music；
Second determination unit, for determining that at least two of the background music rises and falls the period according to the sound wave trajectory diagram；
Third determination unit, for according at least two fluctuating period, determining at least one rhythm of the background music
Transition zone, each rhythm transition zone refer to a sound between the two neighboring different periods that rise and fall in at least two fluctuating period
Measure corresponding time interval；
4th determination unit, at least one louder volume area and at least one rhythm transition zone to be determined as the back of the body
At least one of scape music rhythm area.
Optionally, each rhythm area includes a start time and an end time；
The segmentation module 802 includes：
Be segmented submodule, start time and end time for including according to each rhythm area, to the target video into
Row segmentation.
Optionally, which includes：
Play submodule, for during playing the background music, with the first play frame rate Reverse Play this extremely
Few first video-frequency band, and with the second play frame rate Reverse Play at least one second video-frequency band.
Optionally, the recording frame per second that the first play frame rate is more than the target video is stated, which is less than the mesh
Mark the recording frame per second of video.
In the embodiments of the present disclosure, at least one of background music of target video rhythm area is determined, and extremely according to this
A few rhythm area is segmented the target video, and then obtains at least one first video-frequency band and at least one second video
Section, that is to say, can be segmented automatically to target video according to background music.Later, during playing background music,
Can play at least one first video-frequency band with the first play frame rate, and with the second play frame rate play this at least one second
Video-frequency band.Since the first play frame rate and the second play frame rate are different, the method provided by the embodiment of the present disclosure can be with
The play frame rate of video is automatically adjusted, and automatically plays music and video collocation.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 9 is a kind of block diagram of the device 900 of the broadcasting of video shown according to an exemplary embodiment.For example, device
900 can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, and medical treatment is set
It is standby, body-building equipment, personal digital assistant etc..
With reference to Fig. 9, device 900 may include following one or more components：Processing component 902, memory 904, power supply
Component 906, multimedia component 908, audio component 910, the interface 912 of input/output (I/O), sensor module 914, and
Communication component 916.
The integrated operation of 902 usual control device 900 of processing component, such as with display, call, data communication, phase
Machine operates and record operates associated operation.Processing component 902 may include that one or more processors 920 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 902 may include one or more modules, just
Interaction between processing component 902 and other assemblies.For example, processing component 902 may include multi-media module, it is more to facilitate
Interaction between media component 908 and processing component 902.
Memory 904 is configured as storing various types of data to support the operation in device 900.These data are shown
Example includes instruction for any application program or method that are operated on device 900, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 904 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 906 provides power supply for the various assemblies of device 900.Power supply module 906 may include power management system
System, one or more power supplys and other generated with for device 900, management and the associated component of distribution power supply.
Multimedia component 908 is included in the screen of one output interface of offer between described device 900 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 908 includes a front camera and/or rear camera.When device 900 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 910 is configured as output and/or input audio signal.For example, audio component 910 includes a Mike
Wind (MIC), when device 900 is in operation mode, when such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The received audio signal can be further stored in memory 904 or via communication set
Part 916 is sent.In some embodiments, audio component 910 further includes a loud speaker, is used for exports audio signal.
I/O interfaces 912 provide interface between processing component 902 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor module 914 includes one or more sensors, and the state for providing various aspects for device 900 is commented
Estimate.For example, sensor module 914 can detect the state that opens/closes of device 900, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 900, and sensor module 914 can be with 900 1 components of detection device 900 or device
Position change, the existence or non-existence that user contacts with device 900,900 orientation of device or acceleration/deceleration and device 900
Temperature change.Sensor module 914 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 914 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 916 is configured to facilitate the communication of wired or wireless way between device 900 and other equipment.Device
900 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or combination thereof.In an exemplary implementation
In example, communication component 916 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 916 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 900 can be believed by one or more application application-specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, real shown in above-mentioned Fig. 1 or Fig. 2 for executing
The method that example offer is provided.
In the exemplary embodiment, it includes the non-transitorycomputer readable storage medium instructed, example to additionally provide a kind of
Such as include the memory 904 of instruction, above-metioned instruction can be executed by the processor 920 of device 900 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is held by the processor of terminal
When row so that terminal is able to carry out a kind of playback method of video.
A kind of computer program product including instruction, when the instruction in the computer program product is by the processor of terminal
When execution so that terminal is able to carry out the playback method of video in above-mentioned Fig. 1 and Fig. 2.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the present invention
Its embodiment.This application is intended to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the present invention and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the invention is not limited in the precision architectures for being described above and being shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (14)
1. a kind of playback method of video, which is characterized in that the method includes：
Determine at least one of background music of target video rhythm area, at least one rhythm area is by the background
Section of each volume duration in music determines to obtain；
The target video is segmented according at least one rhythm area, obtains at least one first video-frequency band and at least
One the second video-frequency band, at least one first video-frequency band refer to that at least one rhythm area described in the target video corresponds to
Video-frequency band, at least one second video-frequency band refer in the target video in addition at least one first video-frequency band
Video-frequency band；
During playing the background music, with the first play frame rate broadcasting at least one first video-frequency band, and with
Second play frame rate plays at least one second video-frequency band, and first play frame rate and second play frame rate are not
Together.
2. the method as described in claim 1, which is characterized in that at least one of the background music of the determining target video
Rhythm area, including：
Determine that the sound wave trajectory diagram of the background music of the target video, the sound wave trajectory diagram are according to the background music
It draws to obtain in section of different volume durations；
According to the corresponding time interval of each volume in the sound wave trajectory diagram, determine that at least one of described background music saves
Play area.
3. method as claimed in claim 2, which is characterized in that described corresponding according to each volume in the sound wave trajectory diagram
Time interval determines at least one of described background music rhythm area, including：
The corresponding time interval of highest volume in the sound wave trajectory diagram is determined, to obtain at least one high of the background music
Volume area；
Determine the background music according to the sound wave trajectory diagram at least two rise and fall the period；
It rises and falls the period according to described at least two, determines that at least one rhythm transition zone of the background music, each rhythm turn
It refers to the corresponding time zone of a volume in at least two fluctuating period between the two neighboring different periods that rise and fall to change area
Between；
At least one louder volume area and at least one rhythm transition zone are determined as in the background music at least
One rhythm area.
4. the method as described in claim 1, which is characterized in that each rhythm area includes a start time and end time
Point；
It is described that the target video is segmented according at least one rhythm area, including：
According to start time and end time that each rhythm area includes, the target video is segmented.
5. the method as described in claim 1, which is characterized in that it is described during playing the background music, with first
Play frame rate plays at least one first video-frequency band, and plays at least one second video with the second play frame rate
Section, including：
During playing the background music, at least one first video described in the first play frame rate Reverse Play
Section, and at least one second video-frequency band described in the second play frame rate Reverse Play.
6. method according to any one of claims 1 to 5, which is characterized in that first play frame rate is more than the target video
Recording frame per second, second play frame rate be less than the target video recording frame per second.
7. a kind of playing device of video, which is characterized in that described device includes：
Determining module, at least one of background music for determining target video rhythm area, at least one rhythm area
It is to determine to obtain by the section of each volume duration in the background music；
Segmentation module obtains at least one for being segmented to the target video according at least one rhythm area
One video-frequency band and at least one second video-frequency band, at least one first video-frequency band refer to described in the target video at least
The corresponding video-frequency band in one rhythm area, at least one second video-frequency band refer in the target video except described at least one
Video-frequency band except first video-frequency band；
Playing module, for during playing the background music, with the first play frame rate broadcasting described at least one the
One video-frequency band, and at least one second video-frequency band is played with the second play frame rate, first play frame rate and described the
Two play frame rate are different.
8. device as claimed in claim 7, which is characterized in that the determining module includes：
First determination sub-module, the sound wave trajectory diagram of the background music for determining the target video, the sound wave trajectory diagram
It is to draw to obtain according to the section of different volume durations of the background music；
Second determination sub-module, for according to the corresponding time interval of each volume in the sound wave trajectory diagram, determining the back of the body
At least one of scape music rhythm area.
9. device as claimed in claim 8, which is characterized in that second determination sub-module includes：
First determination unit, for determining the corresponding time interval of highest volume in the sound wave trajectory diagram, to obtain the back of the body
At least one louder volume area of scape music；
Second determination unit, for determining that at least two of the background music rises and falls the period according to the sound wave trajectory diagram；
Third determination unit determines at least one rhythm of the background music for rising and falling the period according to described at least two
Transition zone, each rhythm transition zone refer to one between the two neighboring different periods that rise and fall in at least two fluctuating period
The corresponding time interval of volume；
4th determination unit, it is described at least one louder volume area and at least one rhythm transition zone to be determined as
At least one of background music rhythm area.
10. device as claimed in claim 7, which is characterized in that each rhythm area includes a start time and a time
Terminal；
The segmentation module includes：
It is segmented submodule, start time and end time for including according to each rhythm area carry out the target video
Segmentation.
11. device as claimed in claim 7, which is characterized in that the playing module includes：
Submodule is played, is used for during playing the background music, described in the first play frame rate Reverse Play
At least one first video-frequency band, and at least one second video-frequency band described in the second play frame rate Reverse Play.
12. the device as described in claim 7-11 is any, which is characterized in that first play frame rate is regarded more than the target
The recording frame per second of frequency, second play frame rate are less than the recording frame per second of the target video.
13. a kind of playing device of video, which is characterized in that described device includes：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as the step of perform claim requires any one method described in 1-6.
14. a kind of computer readable storage medium, instruction is stored on the computer readable storage medium, which is characterized in that
The step of any one method described in claim 1-6 is realized when described instruction is executed by processor.
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