CN108848414A - The switching method and player of a kind of playback method of video, clarity - Google Patents
The switching method and player of a kind of playback method of video, clarity Download PDFInfo
- Publication number
- CN108848414A CN108848414A CN201810672161.3A CN201810672161A CN108848414A CN 108848414 A CN108848414 A CN 108848414A CN 201810672161 A CN201810672161 A CN 201810672161A CN 108848414 A CN108848414 A CN 108848414A
- Authority
- CN
- China
- Prior art keywords
- video
- data
- current
- audio
- clarity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
Abstract
The present invention discloses the switching method and player of a kind of playback method of video, clarity, includes the following steps：S1：It is requested according to the video playing of user, obtains the network of relation data information of requested video；S2：Fragment downloading is carried out to the data information of acquired video；S3：The video data and audio data downloaded are decoded；S4：It is rendered to by the decoded audio frame of step S3 and video frame；S5：Original clarity video is switched to target sharpness video by selection target clarity.Pass through the fragment compression to video, re-creating and calculating when switching clarity the position versus of target sharpness video and original clarity video immediately to decoder, it may make that video is more smooth when switching clarity in playing process, realize seamless switching when switching between different clarity, it ensure that the picture of identical play position in video display process is consistent, improve the experience of user.
Description
Technical field
The present invention relates to the technical field of video playing, more particularly, to the playback method of video a kind of, clarity
Switching method and player.
Background technique
When playing video, due to play end network speed it is inconsistent, can generally provide 3-4 kind code rate (blue light, it is super it is clear,
It is SD, general clear), user selects suitable code rate to play out, handoff procedure, if simply being broadcast according to oneself network
The switching for putting URL will lead to picture and be stuck in one of picture, new URL is waited to access, and access the picture before new picture arrives
Start to play；Due to different code rates, server-side or upload end are due to encoder or coding parameter, so as to cause video
Identical play position, picture is identical.
Summary of the invention
The present invention is directed to solve one of above-mentioned problems of the prior art at least to a certain extent, for existing skill
The defect of art, the first purpose of this invention be to provide a kind of playback method of video, and the playback method of the video may make
The broadcasting of video is more smooth, ensure that the picture of identical play position in video display process is consistent, improves user
Experience.
A kind of playback method of the video provided according to embodiments of the present invention, includes the following steps：
S1：It is requested according to the video playing of user, obtains the network of relation data information of requested video, the data letter
Breath includes：The video data and audio data of requested video；
S2：Fragment downloading is carried out to the data information of acquired video, video queue downloading, audio is added in video data
Audio queue downloading is added in data；
S3：The video data and audio data downloaded are decoded, wherein to the video data and audio number
Before being decoded, the media information parameter in the video data and audio data is precalculated, by calculated result and currently
The coding parameter of decoder is compared to determine the need for re-creating new decoder, wherein for video data, such as
Fruit needs the width of decoded video data high high different with the width of the data of current video decoder, then creates new video decoding
Device, while the data of current video decoder are taken out, if needing the width of decoded video data high and current video decoder
The width of data is high identical, then is directly decoded the video data by current video decoder；For audio data, such as
Fruit needs the sample rate of decoded audio data, port number different from the sample rate of present video decoder, port number, then creation is new
Audio decoder, while the data of present video decoder are taken out, if needing the sample rate of decoded audio data, port number
It is identical as the sample rate of present video decoder, port number, then directly by present video decoder by the audio data into
Row decoding；
S4：It is rendered to by the decoded audio frame of step S3 and video frame, audio frame then normally renders, video frame
Rendered audio frame is synchronized to after rendering, wherein work as if the timestamp Vpts of current decoded video frame is less than or equal to
The timestamp APts of preceding decoded audio frame, then render immediately；If the timestamp Vpts of current decoded video frame is greater than
The timestamp APts of current decoded audio frame, then wait.
According to one embodiment of present invention, the step S1 further includes：According to the bandwidth of current network, pre-download is selected
The buffer size of video information.
Second object of the present invention is to provide a kind of switching method of video definition, the switching of the video definition
Method may make that video is more smooth when switching clarity in playing process, realizes and switches between different clarity
When seamless switching, ensure that the picture of identical play position in video display process is consistent, improve the experience of user.
The switching method of the video definition provided according to embodiments of the present invention, includes the following steps：
S1：It is requested according to the video playing of user, obtains the network of relation data information of requested video, the data letter
Breath includes：At least one sharpness information that video data, audio data and the requested video of requested video are supported；
S2：Fragment downloading is carried out to the data information of acquired video, video queue downloading, audio is added in video data
Audio queue downloading is added in data；
S3：The video data and audio data downloaded are decoded, wherein to the video data and audio number
Before being decoded, the media information parameter in the video data and audio data is precalculated, by calculated result and currently
The coding parameter of decoder is compared to determine the need for re-creating new decoder, wherein for video data, such as
Fruit needs the width of decoded video data high high different with the width of the data of current video decoder, then creates new video decoding
Device, while the data of current video decoder are taken out, if needing the width of decoded video data high and current video decoder
The width of data is high identical, then is directly decoded the video data by current video decoder；For audio data, such as
Fruit needs the sample rate of decoded audio data, port number different from the sample rate of present video decoder, port number, then creation is new
Audio decoder, while the data of present video decoder are taken out, if needing the sample rate of decoded audio data, port number
It is identical as the sample rate of present video decoder, port number, then directly by present video decoder by the audio data into
Row decoding；
S4：It is rendered to by the decoded audio frame of step S3 and video frame, audio frame then normally renders, video frame
Rendered audio frame is synchronized to after rendering, wherein work as if the timestamp Vpts of current decoded video frame is less than or equal to
The timestamp APts of preceding decoded audio frame, then render immediately；If the timestamp Vpts of current decoded video frame is greater than
The timestamp APts of current decoded audio frame, then wait；
S5：Original clarity video is switched to target sharpness video by selection target clarity, wherein when original clear
When clear degree video switches to target sharpness video, video data, the audio data decoding of target sharpness video are first calculated
The timestamp Vpts1 of the first preceding video frame and timestamp Apts1 of first audio frame, while calculating original clarity
Video data, the preceding timestamp for meeting video frame simultaneously of audio data decoding of video are greater than the timestamp of Vpts1 and audio frame
The position pos of original clarity video greater than Apts1 terminates to read former when the position for reading former clarity video is more than pos
The data of clarity video start the data for reading target sharpness video.
According to one embodiment of present invention, the step S1 further includes：According to the bandwidth of current network, pre-download is selected
The buffer size of video information.
According to one embodiment of present invention, the selection of the target sharpness passes through mouse at broadcasting end by user and clicks
Or keyboard shortcut selection.
According to one embodiment of present invention, according to the bandwidth rates of user's current network, system is user's selection automatically
Be suitble to the target sharpness of current network speed, wherein when current clarity video playing Caton is more than 5 seconds, system will match compared with
The current low target sharpness of clarity plays out；When current network speed bandwidth can be with high clear of the more current clarity of smooth playing
Clear when spending, system will match the high target sharpness of more current clarity and play out.
Third object of the present invention is to provide a kind of video player, which may make video playing
It is more smooth when switching clarity in the process, seamless switching when switching between different clarity is realized, ensure that
The picture of identical play position is consistent in video display process, improves the experience of user.
The video player provided according to embodiments of the present invention, which is characterized in that including：
Acquiring unit, the acquiring unit are requested according to the video playing of user, obtain the network of relation of requested video
Data information, the data information include：Video data, audio data and the requested video of requested video are supported extremely
A kind of few sharpness information；
Download unit, the download unit carry out fragment downloading to the data information of acquired video, by video data plus
Enter video queue downloading, audio queue downloading is added in audio data；
Decoding unit, the decoding unit include Video Decoder, audio decoder and computing module, the video decoding
Device is decoded the video data downloaded, the audio decoder is decoded the audio data downloaded, wherein
Before being decoded to the video data and audio data, the computing module precalculates the video data and audio data
In media information parameter, the coding parameter of calculated result and current decoder is compared to determine the need for creating again
Build new decoder, wherein for video data, if needing the width of decoded video data high and the number of current video decoder
According to width it is high different, then new Video Decoder is created, while taking out the data of current video decoder, if needing decoded view
The width of frequency evidence is high high identical with the width of the data of current video decoder, then directly passes through current video decoder for the view
Frequency evidence is decoded；For audio data, if the sample rate of decoded audio data, port number and present video is needed to decode
The sample rate of device, port number are different, then create new audio decoder, while taking out the data of present video decoder, if
It needs sample rate, the port number of decoded audio data identical as the sample rate of present video decoder, port number, then directly passes through
The audio data is decoded by present video decoder；
Rendering unit, the rendering unit render decoded audio frame and video frame, audio frame then normal wash with watercolours
Dye is synchronized to rendered audio frame after video frame rendering, wherein if the timestamp Vpts of current decoded video frame is less than
Or the timestamp APts equal to current decoded audio frame, then it renders immediately；If the timestamp of current decoded video frame
Vpts is greater than the timestamp APts of current decoded audio frame, then waits；
Clarity switch unit, the clarity switch unit include clarity selecting module and sharpness computation module,
The clarity selecting module is used for selection target clarity, and original clarity video is switched to target sharpness video,
Wherein, when original clarity video switches to target sharpness video, sharpness computation module first calculates target sharpness
The timestamp Vpts1 of first video frame before the video data of video, audio data decoding and the time of first audio frame
Apts1 is stabbed, while calculating before the video data of original clarity video, audio data decoding while meeting time of video frame
Stamp is greater than the position pos of original clarity video of the timestamp greater than Apts1 of Vpts1 and audio frame, when the rendering unit
When the position of the former clarity video of reading is more than pos, terminate the data for reading former clarity video, starts reading target sharpness view
The data of frequency.
It according to one embodiment of present invention, further include judging unit, the judging unit can be according to user's current network
Bandwidth, select pre-download video information buffer size.
According to one embodiment of present invention, clarity selecting module includes mouse and keyboard, the target sharpness
Selection passes through mouse click at broadcasting end by user or keyboard shortcut selects.
According to one embodiment of present invention, the clarity selecting module can be according to the bandwidth speed of user's current network
Rate, the automatic target sharpness for being suitble to current network speed for user's selection, wherein when current clarity video playing Caton is more than 5
When the second, the low target sharpness of more current clarity will be matched and played out；When current network speed bandwidth can relatively be worked as with smooth playing
When the high clarity of preceding clarity, the high target sharpness of more current clarity will be matched and played out.
The beneficial effects of the present invention are：The playback method of the video provided according to embodiments of the present invention, by video
Fragment compression and to decoder immediately re-creating, may make the broadcasting of video more smooth, ensure that video is broadcast
The picture of identical play position is consistent during putting, and improves the experience of user.The video provided according to embodiments of the present invention
The switching method of clarity passes through the fragment compression to video, re-creating immediately and in switching clarity to decoder
When the position versus of target sharpness video and original clarity video is calculated, may make video to switch in playing process clearly
It is clear more smooth when spending, seamless switching when switching between different clarity is realized, ensure that video display process
In identical play position picture it is consistent, improve the experience of user.The video player provided according to embodiments of the present invention,
The video player may make that video is more smooth when switching clarity in playing process, realize between different clarity
Seamless switching when switching over ensure that the picture of identical play position in video display process is consistent, improve user
Experience.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partially will be from following
Become obvious in description, or the practice of embodiment is recognized through the invention.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of embodiment of the present invention retouch embodiment from conjunction with following accompanying drawings
It will be apparent and be readily appreciated that in stating, wherein：
Fig. 1 is the method flow schematic diagram of the playback method of video provided in an embodiment of the present invention；
Fig. 2 is the method flow schematic diagram of the clarity switching method of video provided in an embodiment of the present invention；
Fig. 3 is the specific method process of the clarity switching of the clarity switching method of video provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 is the method flow signal of the playback method and clarity switching method of video provided in an embodiment of the present invention
Figure；
Fig. 5 is the specific method process of the clarity switching of the clarity switching method of video provided in an embodiment of the present invention
Schematic diagram；
Fig. 6 is the structural schematic diagram of video player provided in an embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more feature.In description of the invention
In, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can be in communication with each other；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter to the component of specific examples and being set for describing.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.
As shown in Figure 1 and Figure 4, a kind of playback method of the video provided according to embodiments of the present invention, includes the following steps：
S1：It is requested according to the video playing of user, obtains the network of relation data information of requested video, the data letter
Breath includes：The video data and audio data of requested video；
S2：Fragment downloading is carried out to the data information of acquired video, video queue downloading, audio is added in video data
Audio queue downloading is added in data；
S3：The video data and audio data downloaded are decoded, wherein to the video data and audio number
Before being decoded, the media information parameter in the video data and audio data is precalculated, by calculated result and currently
The coding parameter of decoder is compared to determine the need for re-creating new decoder, wherein for video data, such as
Fruit needs the width of decoded video data high high different with the width of the data of current video decoder, then creates new video decoding
Device, while the data of current video decoder are taken out, if needing the width of decoded video data high and current video decoder
The width of data is high identical, then is directly decoded the video data by current video decoder；For audio data, such as
Fruit needs the sample rate of decoded audio data, port number different from the sample rate of present video decoder, port number, then creation is new
Audio decoder, while the data of present video decoder are taken out, if needing the sample rate of decoded audio data, port number
It is identical as the sample rate of present video decoder, port number, then directly by present video decoder by the audio data into
Row decoding；
S4：It is rendered to by the decoded audio frame of step S3 and video frame, audio frame then normally renders, video frame
Rendered audio frame is synchronized to after rendering, wherein work as if the timestamp Vpts of current decoded video frame is less than or equal to
The timestamp APts of preceding decoded audio frame, then render immediately；If the timestamp Vpts of current decoded video frame is greater than
The timestamp APts of current decoded audio frame, then wait, and waits until that the timestamp Vpts of current decoded video frame is small
It is rendered again in the timestamp APts for being equal to current decoded audio frame.It can avoid the asynchronous broadcasting of audio-video in this way.
According to one embodiment of present invention, the step S1 further includes：According to the bandwidth of current network, pre-download is selected
The buffer size of video information is preferably to utilize current network bandwidth.Preferably, the buffering of the pre-download video information is big
Small is 3 seconds playable data, to save network bandwidth.
Second object of the present invention is to provide a kind of switching method of video definition, the switching of the video definition
Method may make that video is more smooth when switching clarity in playing process, realizes and switches between different clarity
When seamless switching, ensure that the picture of identical play position in video display process is consistent, improve the experience of user.
As shown in Fig. 2, Fig. 3 and Fig. 5, the switching method of the video definition provided according to embodiments of the present invention, including with
Lower step：
S1：It is requested according to the video playing of user, obtains the network of relation data information of requested video, the data letter
Breath includes：At least one sharpness information that video data, audio data and the requested video of requested video are supported；
S2：Fragment downloading is carried out to the data information of acquired video, video queue downloading, audio is added in video data
Audio queue downloading is added in data；
S3：The video data and audio data downloaded are decoded, wherein to the video data and audio number
Before being decoded, the media information parameter in the video data and audio data is precalculated, by calculated result and currently
The coding parameter of decoder is compared to determine the need for re-creating new decoder, wherein for video data, such as
Fruit needs the width of decoded video data high high different with the width of the data of current video decoder, then creates new video decoding
Device, while the data of current video decoder are taken out, if needing the width of decoded video data high and current video decoder
The width of data is high identical, then is directly decoded the video data by current video decoder；For audio data, such as
Fruit needs the sample rate of decoded audio data, port number different from the sample rate of present video decoder, port number, then creation is new
Audio decoder, while the data of present video decoder are taken out, if needing the sample rate of decoded audio data, port number
It is identical as the sample rate of present video decoder, port number, then directly by present video decoder by the audio data into
Row decoding, re-creates the mode of decoder immediately in this way, and video can be made to realize seamless switching when playing, avoid switching
Picture is broadcasted after clarity or Caton and picture when Caton is inconsistent, improves the experience of user；
S4：It is rendered to by the decoded audio frame of step S3 and video frame, audio frame then normally renders, video frame
Rendered audio frame is synchronized to after rendering, wherein work as if the timestamp Vpts of current decoded video frame is less than or equal to
The timestamp APts of preceding decoded audio frame, then render immediately；If the timestamp Vpts of current decoded video frame is greater than
The timestamp APts of current decoded audio frame, then wait, may make audio-visual synchronization to broadcast in this way；
S5：Original clarity video is switched to target sharpness video by selection target clarity, wherein when original clear
When clear degree video switches to target sharpness video, video data, the audio data decoding of target sharpness video are first calculated
The timestamp Vpts1 of the first preceding video frame and timestamp Apts1 of first audio frame, while calculating original clarity
Video data, the preceding timestamp for meeting video frame simultaneously of audio data decoding of video are greater than the timestamp of Vpts1 and audio frame
The position pos of original clarity video greater than Apts1 terminates to read former when the position for reading former clarity video is more than pos
The data of clarity video start the data for reading target sharpness video.Video may make to switch in playing process in this way
It is more smooth when clarity, seamless switching when switching between different clarity is realized, ensure that video playing mistake
The picture of identical play position is consistent in journey, improves the experience of user.
According to one embodiment of present invention, the step S1 further includes：According to the bandwidth of current network, pre-download is selected
The buffer size of video information.Preferably, the buffer size of the pre-download video information is 3 seconds playable data, to save
Network bandwidth.
According to one embodiment of present invention, the selection of the target sharpness passes through mouse at broadcasting end by user and clicks
Or keyboard shortcut selection.Mouse and keyboard can be in order to the operations of user.
According to one embodiment of present invention, according to the bandwidth rates of user's current network, system is user's selection automatically
Be suitble to the target sharpness of current network speed, wherein when current clarity video playing Caton is more than 5 seconds, system will match compared with
The current low target sharpness of clarity plays out；When current network speed bandwidth can be with high clear of the more current clarity of smooth playing
Clear when spending, system will match the high target sharpness of more current clarity and play out.Design can be with significantly more efficient benefit in this way
With network, the experience of user is promoted.
Third object of the present invention is to provide a kind of video player, which may make video playing
It is more smooth when switching clarity in the process, seamless switching when switching between different clarity is realized, ensure that
The picture of identical play position is consistent in video display process, improves the experience of user.
As shown in figures 1 to 6, the video player provided according to embodiments of the present invention, which is characterized in that including：
Acquiring unit 1, the acquiring unit 1 are requested according to the video playing of user, obtain the associated nets of requested video
Network data information, the data information include：What video data, audio data and the requested video of requested video were supported
At least one sharpness information；
Download unit 2, the download unit 2 carries out fragment downloading to the data information of acquired video, by video data
Video queue downloading is added, audio queue downloading is added in audio data；
Decoding unit 3, the decoding unit 3 includes Video Decoder 31, audio decoder 32 and computing module 33, described
The audio data that 31 pairs of video datas downloaded of Video Decoder are decoded, 32 pairs of the audio decoder are downloaded carries out
Decoding, wherein before being decoded to the video data and audio data, the computing module 33 precalculates the video
Media information parameter in data and audio data, the coding parameter of calculated result and current decoder is compared with determination
Whether need to re-create new decoder, wherein for video data, if needing the width of decoded video data high and current
The width of the data of Video Decoder 31 is high different, then creates new Video Decoder 31, while taking out current video decoder 31
Data directly lead to if needing the wide high and data of current video decoder 31 the width of decoded video data high identical
Current video decoder 31 is crossed to be decoded the video data；For audio data, if needing decoded audio data
Sample rate, port number are different from the sample rate of present video decoder 32, port number, then create new audio decoder 32, together
When take out the data of present video decoder 32, if needing sample rate, port number and the present video solution of decoded audio data
The sample rate of code device 32, port number are identical, then are directly decoded the audio data by present video decoder 32, this
Sample re-creates the mode of decoder immediately, can make video play when realize seamless switching, avoid switching clarity or
Picture is broadcasted after person's Caton and picture when Caton is inconsistent, improves the experience of user；
Rendering unit 4, the rendering unit 4 render decoded audio frame and video frame, and audio frame is then normal
Rendering is synchronized to rendered audio frame after video frame rendering, wherein if the timestamp Vpts of current decoded video frame is small
In or equal to current decoded audio frame timestamp APts, then render immediately；If the time of current decoded video frame
The timestamp APts that Vpts is greater than current decoded audio frame is stabbed, then waits, may make audio-visual synchronization to broadcast in this way；
Clarity switch unit 5, the clarity switch unit 5 include clarity selecting module 51 and sharpness computation mould
Block 52, the clarity selecting module 51 are used for selection target clarity, it is clear that original clarity video are switched to target
Spend video, wherein when original clarity video switches to target sharpness video, sharpness computation module 52 first calculates mesh
Mark clarity video video data, audio data decoding before first video frame timestamp Vpts1 and first audio
The timestamp Apts1 of frame, at the same calculate the video data of original clarity video, audio data decoding before and meanwhile meet video
The timestamp of frame is greater than the position pos of original clarity video of the timestamp greater than Apts1 of Vpts1 and audio frame, when described
When the position that rendering unit 4 reads former clarity video is more than pos, terminates the data for reading former clarity video, start to read mesh
Mark the data of clarity video.It may make that video is more smooth when switching clarity in playing process in this way, realize not
With seamless switching when switching between clarity, the picture one of identical play position in video display process ensure that
It causes, improves the experience of user.
It according to one embodiment of present invention, further include judging unit, the judging unit can be according to user's current network
Bandwidth, select pre-download video information buffer size.Preferably, the buffer size of the pre-download video information is 3 seconds
It can play data, to save network bandwidth.
According to one embodiment of present invention, clarity selecting module 51 includes mouse and keyboard, the target sharpness
Selection by user play end by mouse click or keyboard shortcut selection.Mouse and keyboard can be in order to the behaviour of user
Make.
According to one embodiment of present invention, the clarity selecting module 51 can be according to the bandwidth speed of user's current network
Rate, the automatic target sharpness for being suitble to current network speed for user's selection, wherein when current clarity video playing Caton is more than 5
When the second, the low target sharpness of more current clarity will be matched and played out；When current network speed bandwidth can relatively be worked as with smooth playing
When the high clarity of preceding clarity, the high target sharpness of more current clarity will be matched and played out.Design can be more in this way
Add effectively using network, promotes the experience of user.
The beneficial effects of the present invention are：The playback method of the video provided according to embodiments of the present invention, by video
Fragment compression and to decoder immediately re-creating, may make the broadcasting of video more smooth, ensure that video is broadcast
The picture of identical play position is consistent during putting, and improves the experience of user.The video provided according to embodiments of the present invention
The switching method of clarity passes through the fragment compression to video, re-creating immediately and in switching clarity to decoder
When the position versus of target sharpness video and original clarity video is calculated, may make video to switch in playing process clearly
It is clear more smooth when spending, seamless switching when switching between different clarity is realized, ensure that video display process
In identical play position picture it is consistent, improve the experience of user.The video player provided according to embodiments of the present invention,
The video player may make that video is more smooth when switching clarity in playing process, realize between different clarity
Seamless switching when switching over ensure that the picture of identical play position in video display process is consistent, improve user
Experience.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one described feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two,
Three etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Interconnecting piece (mobile terminal), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized：With for realizing the logic gates of logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part that above embodiment method carries
Step is that relevant hardware can be instructed to complete by program, and the program can store in a kind of computer-readable storage
In medium, described program when being executed, includes the steps that one or a combination set of method implementation.
In addition, each functional unit in each embodiment of the present invention can integrate in a processing module, it can also
To be that each unit physically exists alone, can also be integrated in two or more units in a module.It is above-mentioned integrated
Module both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module
If in the form of software function module realize and when sold or used as an independent product, also can store one calculating
In machine read/write memory medium.Storage medium mentioned above can be read-only memory, disk or CD etc..
Although embodiments of the present invention have been shown and described above, it is to be understood that above embodiment is
Illustratively, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be right
Above embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of playback method of video, which is characterized in that include the following steps：
S1：It is requested according to the video playing of user, obtains the network of relation data information of requested video, the data packets
It includes：The video data and audio data of requested video；
S2：Fragment downloading is carried out to the data information of acquired video, video queue downloading, audio data is added in video data
Audio queue downloading is added；
S3：The video data and audio data downloaded are decoded, wherein to the video data and audio data into
Before row decoding, the media information parameter in the video data and audio data is precalculated, by calculated result and current decoding
The coding parameter of device is compared to determine the need for re-creating new decoder, wherein for video data, if needed
The width of decoded video data is high high different with the width of the data of current video decoder, then creates new Video Decoder, together
When take out the data of current video decoder, if needing the width of decoded video data high and the data of current video decoder
It is wide high identical, then directly the video data is decoded by current video decoder；For audio data, if needing to solve
The sample rate of the audio data of code, port number are different from the sample rate of present video decoder, port number, then create new audio
Decoder, while taking out the data of present video decoder, if needing the sample rate of decoded audio data, port number and current
The sample rate of audio decoder, port number are identical, then are directly decoded the audio data by present video decoder；
S4：It is rendered to by the decoded audio frame of step S3 and video frame, audio frame then normally renders, video frame rendering
It is synchronized to rendered audio frame afterwards, wherein if the timestamp Vpts of current decoded video frame is less than or equal to current solution
The timestamp APts of audio frame after code, then render immediately；If the timestamp Vpts of current decoded video frame is greater than current
The timestamp APts of decoded audio frame, then wait.
2. the playback method of video according to claim 1, which is characterized in that the step S1 further includes：According to current
The bandwidth of network selects the buffer size of pre-download video information.
3. a kind of switching method of video definition, which is characterized in that include the following steps：
S1：It is requested according to the video playing of user, obtains the network of relation data information of requested video, the data packets
It includes：At least one sharpness information that video data, audio data and the requested video of requested video are supported；
S2：Fragment downloading is carried out to the data information of acquired video, video queue downloading, audio data is added in video data
Audio queue downloading is added；
S3：The video data and audio data downloaded are decoded, wherein to the video data and audio data into
Before row decoding, the media information parameter in the video data and audio data is precalculated, by calculated result and current decoding
The coding parameter of device is compared to determine the need for re-creating new decoder, wherein for video data, if needed
The width of decoded video data is high high different with the width of the data of current video decoder, then creates new Video Decoder, together
When take out the data of current video decoder, if needing the width of decoded video data high and the data of current video decoder
It is wide high identical, then directly the video data is decoded by current video decoder；For audio data, if needing to solve
The sample rate of the audio data of code, port number are different from the sample rate of present video decoder, port number, then create new audio
Decoder, while taking out the data of present video decoder, if needing the sample rate of decoded audio data, port number and current
The sample rate of audio decoder, port number are identical, then are directly decoded the audio data by present video decoder；
S4：It is rendered to by the decoded audio frame of step S3 and video frame, audio frame then normally renders, video frame rendering
It is synchronized to rendered audio frame afterwards, wherein if the timestamp Vpts of current decoded video frame is less than or equal to current solution
The timestamp APts of audio frame after code, then render immediately；If the timestamp Vpts of current decoded video frame is greater than current
The timestamp APts of decoded audio frame, then wait；
S5：Original clarity video is switched to target sharpness video, wherein when original clarity by selection target clarity
When video switches to target sharpness video, first calculate target sharpness video video data, audio data decoding before
The timestamp Vpts1 of the first video frame and timestamp Apts1 of first audio frame, while calculating original clarity video
Video data, the timestamp that meets video frame before audio data decoding simultaneously is greater than the timestamp of Vpts1 and audio frame and is greater than
The position pos of the original clarity video of Apts1, when the position for reading former clarity video is more than pos, it is former clear to terminate to read
The data for spending video start the data for reading target sharpness video.
4. the switching method of video definition according to claim 3, which is characterized in that the step S1 further includes：Root
According to the bandwidth of current network, the buffer size of pre-download video information is selected.
5. the switching method of video definition according to claim 3, which is characterized in that the selection of the target sharpness
Pass through mouse click at broadcasting end by user or keyboard shortcut selects.
6. the switching method of video definition according to claim 3, which is characterized in that according to the band of user's current network
Wide rate, system are the target sharpness that user's selection is suitble to current network speed automatically, wherein when current clarity video playing card
When pausing more than 5 seconds, system will match the low target sharpness of more current clarity and play out；When current network speed bandwidth can flow
Smooth when playing the high clarity of more current clarity, system will match the high target sharpness of more current clarity and play out.
7. a kind of video player, which is characterized in that including：
Acquiring unit, the acquiring unit are requested according to the video playing of user, obtain the network of relation data of requested video
Information, the data information include：The video data of requested video, audio data and requested video support at least one
Kind sharpness information；
Download unit, the download unit carry out fragment downloading to the data information of acquired video, video data are added and is regarded
Audio queue downloading is added in frequency queue downloading, audio data；
Decoding unit, the decoding unit include Video Decoder, audio decoder and computing module, the Video Decoder pair
The video data downloaded is decoded, the audio decoder is decoded the audio data downloaded, wherein to institute
It states video data and before audio data is decoded, the computing module is precalculated in the video data and audio data
Media information parameter compares the coding parameter of calculated result and current decoder new to determine the need for re-creating
Decoder, wherein for video data, if needing the width of decoded video data high and the data of current video decoder
It is wide high different, then new Video Decoder is created, while taking out the data of current video decoder, if needing decoded video counts
According to width is high and the width of the data of current video decoder is high identical, then directly pass through current video decoder for the video counts
According to being decoded；For audio data, if needing the sample rate of decoded audio data, port number and present video decoder
Sample rate, port number are different, then new audio decoder are created, while taking out the data of present video decoder, if needing to solve
The sample rate of the audio data of code, port number are identical as the sample rate of present video decoder, port number, then directly by current
The audio data is decoded by audio decoder；
Rendering unit, the rendering unit render decoded audio frame and video frame, and audio frame then normally renders, depending on
Rendered audio frame is synchronized to after the rendering of frequency frame, wherein if the timestamp Vpts of current decoded video frame is less than or waits
In the timestamp APts of current decoded audio frame, then render immediately；If the timestamp Vpts of current decoded video frame
Greater than the timestamp APts of current decoded audio frame, then wait；
Clarity switch unit, the clarity switch unit include clarity selecting module and sharpness computation module, described
Clarity selecting module is used for selection target clarity, and original clarity video is switched to target sharpness video, wherein
When original clarity video switches to target sharpness video, sharpness computation module first calculates target sharpness video
The timestamp Vpts1 of first video frame before video data, audio data decoding and the timestamp of first audio frame
Apts1, while calculating before the video data of original clarity video, audio data decoding while meeting the timestamp of video frame
The position pos of original clarity video greater than the timestamp of Vpts1 and audio frame greater than Apts1, when the rendering unit is read
When the position of former clarity video being taken to be more than pos, terminates the data for reading former clarity video, start to read target sharpness video
Data.
8. video player according to claim 7, which is characterized in that further include judging unit, the judging unit can
According to the bandwidth of user's current network, the buffer size of pre-download video information is selected.
9. video player according to claim 7, which is characterized in that clarity selecting module includes mouse and keyboard,
The selection of the target sharpness passes through mouse click at broadcasting end by user or keyboard shortcut selects.
10. video player according to claim 7, which is characterized in that the clarity selecting module can be according to user
The bandwidth rates of current network, the automatic target sharpness for being suitble to current network speed for user's selection, wherein when current clarity regards
When frequency broadcasting Caton is more than 5 seconds, the low target sharpness of more current clarity will be matched and played out；When current network speed bandwidth can
When with the high clarity of the more current clarity of smooth playing, the high target sharpness of more current clarity will be matched and played out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672161.3A CN108848414A (en) | 2018-06-26 | 2018-06-26 | The switching method and player of a kind of playback method of video, clarity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672161.3A CN108848414A (en) | 2018-06-26 | 2018-06-26 | The switching method and player of a kind of playback method of video, clarity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108848414A true CN108848414A (en) | 2018-11-20 |
Family
ID=64202483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810672161.3A Pending CN108848414A (en) | 2018-06-26 | 2018-06-26 | The switching method and player of a kind of playback method of video, clarity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108848414A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677727A (en) * | 2019-09-10 | 2020-01-10 | 北京奇艺世纪科技有限公司 | Audio and video playing method and device, electronic equipment and storage medium |
| WO2020108092A1 (en) * | 2018-11-27 | 2020-06-04 | Oppo广东移动通信有限公司 | Video processing method and device, and electronic device and storage medium |
| CN111385586A (en) * | 2020-03-19 | 2020-07-07 | 深圳国信泰富科技有限公司 | Robot video transmission method and system |
| CN111726642A (en) * | 2019-03-19 | 2020-09-29 | 北京京东尚科信息技术有限公司 | Live broadcast method, device and computer readable storage medium |
| CN113467847A (en) * | 2019-01-29 | 2021-10-01 | 腾讯科技（深圳）有限公司 | Service data processing method and device |
| CN113724355A (en) * | 2021-08-03 | 2021-11-30 | 北京百度网讯科技有限公司 | Chart drawing method and device for video and electronic equipment |
| CN113810589A (en) * | 2020-06-11 | 2021-12-17 | 华为技术有限公司 | Electronic device, video shooting method and medium thereof |
| CN114900731A (en) * | 2022-03-31 | 2022-08-12 | 咪咕文化科技有限公司 | Video definition switching method and device |
| CN115037951A (en) * | 2021-03-05 | 2022-09-09 | 上海哔哩哔哩科技有限公司 | Live broadcast processing method and device |
| WO2023284489A1 (en) * | 2021-07-13 | 2023-01-19 | 北京字节跳动网络技术有限公司 | Definition switching method and device for webcast, and client |
| CN116781963A (en) * | 2023-08-16 | 2023-09-19 | 浙江印象软件有限公司 | Live broadcast definition switching anti-blocking method and device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101036389A (en) * | 2004-09-02 | 2007-09-12 | 索尼株式会社 | Content receiving apparatus, video/audio output timing control method, and content providing system |
| CN101621342A (en) * | 2008-06-30 | 2010-01-06 | 中兴通讯股份有限公司 | Method for realizing network TV program carousel based on real-time transport protocol |
| CN102291599A (en) * | 2011-05-07 | 2011-12-21 | 董友球 | Network video playing method and network video playing device |
| US20130051767A1 (en) * | 2011-08-30 | 2013-02-28 | Rovi Corp. | Selection of Resolutions for Seamless Resolution Switching of Multimedia Content |
| CN103686315A (en) * | 2012-09-13 | 2014-03-26 | 深圳市快播科技有限公司 | Synchronous audio and video playing method and device |
| CN103997680A (en) * | 2014-06-06 | 2014-08-20 | 北京奇艺世纪科技有限公司 | Switching method and device of video bitstream |
| CN106131610A (en) * | 2016-06-28 | 2016-11-16 | 乐视控股（北京）有限公司 | The online broadcasting method of video, equipment and device |
| CN107277594A (en) * | 2017-07-06 | 2017-10-20 | 广州华多网络科技有限公司 | A kind of video and audio and barrage synchronous method and device |
| CN107948735A (en) * | 2017-12-06 | 2018-04-20 | 北京金山安全软件有限公司 | Video playing method and device and electronic equipment |
| CN108174280A (en) * | 2018-01-18 | 2018-06-15 | 湖南快乐阳光互动娱乐传媒有限公司 | A kind of online playback method of audio and video and system |
-
2018
- 2018-06-26 CN CN201810672161.3A patent/CN108848414A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101036389A (en) * | 2004-09-02 | 2007-09-12 | 索尼株式会社 | Content receiving apparatus, video/audio output timing control method, and content providing system |
| CN101621342A (en) * | 2008-06-30 | 2010-01-06 | 中兴通讯股份有限公司 | Method for realizing network TV program carousel based on real-time transport protocol |
| CN102291599A (en) * | 2011-05-07 | 2011-12-21 | 董友球 | Network video playing method and network video playing device |
| US20130051767A1 (en) * | 2011-08-30 | 2013-02-28 | Rovi Corp. | Selection of Resolutions for Seamless Resolution Switching of Multimedia Content |
| CN103686315A (en) * | 2012-09-13 | 2014-03-26 | 深圳市快播科技有限公司 | Synchronous audio and video playing method and device |
| CN103997680A (en) * | 2014-06-06 | 2014-08-20 | 北京奇艺世纪科技有限公司 | Switching method and device of video bitstream |
| CN106131610A (en) * | 2016-06-28 | 2016-11-16 | 乐视控股（北京）有限公司 | The online broadcasting method of video, equipment and device |
| CN107277594A (en) * | 2017-07-06 | 2017-10-20 | 广州华多网络科技有限公司 | A kind of video and audio and barrage synchronous method and device |
| CN107948735A (en) * | 2017-12-06 | 2018-04-20 | 北京金山安全软件有限公司 | Video playing method and device and electronic equipment |
| CN108174280A (en) * | 2018-01-18 | 2018-06-15 | 湖南快乐阳光互动娱乐传媒有限公司 | A kind of online playback method of audio and video and system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020108092A1 (en) * | 2018-11-27 | 2020-06-04 | Oppo广东移动通信有限公司 | Video processing method and device, and electronic device and storage medium |
| CN113467847A (en) * | 2019-01-29 | 2021-10-01 | 腾讯科技（深圳）有限公司 | Service data processing method and device |
| CN111726642A (en) * | 2019-03-19 | 2020-09-29 | 北京京东尚科信息技术有限公司 | Live broadcast method, device and computer readable storage medium |
| CN110677727A (en) * | 2019-09-10 | 2020-01-10 | 北京奇艺世纪科技有限公司 | Audio and video playing method and device, electronic equipment and storage medium |
| CN111385586A (en) * | 2020-03-19 | 2020-07-07 | 深圳国信泰富科技有限公司 | Robot video transmission method and system |
| CN113810589A (en) * | 2020-06-11 | 2021-12-17 | 华为技术有限公司 | Electronic device, video shooting method and medium thereof |
| CN115037951A (en) * | 2021-03-05 | 2022-09-09 | 上海哔哩哔哩科技有限公司 | Live broadcast processing method and device |
| CN115037951B (en) * | 2021-03-05 | 2024-03-12 | 上海哔哩哔哩科技有限公司 | Live broadcast processing method and device |
| WO2023284489A1 (en) * | 2021-07-13 | 2023-01-19 | 北京字节跳动网络技术有限公司 | Definition switching method and device for webcast, and client |
| CN113724355A (en) * | 2021-08-03 | 2021-11-30 | 北京百度网讯科技有限公司 | Chart drawing method and device for video and electronic equipment |
| CN114900731A (en) * | 2022-03-31 | 2022-08-12 | 咪咕文化科技有限公司 | Video definition switching method and device |
| CN114900731B (en) * | 2022-03-31 | 2024-04-09 | 咪咕文化科技有限公司 | Video definition switching method and device |
| CN116781963A (en) * | 2023-08-16 | 2023-09-19 | 浙江印象软件有限公司 | Live broadcast definition switching anti-blocking method and device |
| CN116781963B (en) * | 2023-08-16 | 2024-01-12 | 浙江印象软件有限公司 | Live broadcast definition switching anti-blocking method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108848414A (en) | The switching method and player of a kind of playback method of video, clarity | |
| CN109547838B (en) | Video window processing method and device | |
| CN107547940A (en) | Video playback processing method, equipment and computer-readable recording medium | |
| CN109246462B (en) | Seamless switching method and device for video stream | |
| JP5499331B2 (en) | Streaming media trick play | |
| US8799781B2 (en) | Information processing apparatus reproducing moving image and displaying thumbnails, and information processing method thereof | |
| US20090300145A1 (en) | Media streaming with seamless ad insertion | |
| CN106792152B (en) | Video synthesis method and terminal | |
| CN108174280B (en) | Audio and video online playing method and system | |
| CN105142031A (en) | Method and device for displaying character information in barrage during video play | |
| CN109922360A (en) | Method for processing video frequency, device and storage medium | |
| CN108924582A (en) | Video recording method, computer readable storage medium and recording and broadcasting system | |
| CN106454447A (en) | Video playing and processing method and device, and television | |
| CN110366033A (en) | A kind of video broadcasting method, device, equipment and storage medium | |
| CN112333536A (en) | Audio and video editing method, equipment and computer readable storage medium | |
| CN104284236A (en) | Method and device for controlling and playing multi-video resources on terminal | |
| CN107911709A (en) | live interface display method, device and terminal | |
| CN107333163A (en) | A kind of method for processing video frequency and device, a kind of terminal and storage medium | |
| CN111526404B (en) | Single frame playing method, video playing device, monitoring equipment and storage medium | |
| US20190158928A1 (en) | Video summary information playback device and method and video summary information providing server and method | |
| CN106131689A (en) | Method for downloading video and device | |
| CN105187897A (en) | Multi-segment media file cross-segment playing method and system | |
| CN110288678A (en) | Dynamic photo generation method and device, computer equipment and storage medium | |
| US8798446B2 (en) | Play back device with adaptive trick play function | |
| CN107426600B (en) | Switch the playback method and device of track and subtitle rail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181120 |
|
| WD01 | Invention patent application deemed withdrawn after publication |