CN107071549A - Many player fast switch over method, device and storage medium under single decoder - Google Patents
Many player fast switch over method, device and storage medium under single decoder Download PDFInfo
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- CN107071549A CN107071549A CN201710319701.5A CN201710319701A CN107071549A CN 107071549 A CN107071549 A CN 107071549A CN 201710319701 A CN201710319701 A CN 201710319701A CN 107071549 A CN107071549 A CN 107071549A
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- 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
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
-
- 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
- H04N21/44004—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 video buffer management, e.g. video decoder buffer or video display buffer
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
Abstract
The invention discloses many player fast switch over method, device and storage medium under a kind of single decoder, methods described includes：When receiving the first play instruction that first via server is sent, first via video is played out according to the first play instruction；The video data feeding buffering area of first via video is cached；When receiving the second play instruction that the second road server is sent, first via video is suspended, the current time stamp of first via video is obtained, and is played out the second road video according to the second play instruction；Data renewal is carried out to the buffering area according to current time stamp；When receiving three play instruction that the first via server is sent, the video data in the buffering area after renewal is sent into by decoder according to the 3rd play instruction, continues to play the first via video, to realize being switched fast for video.Multiple players carry out accomplishing seamless play during video switching under single decoder of the present invention, improve Consumer's Experience.
Description
Technical field
The present invention relates to many player fast switch over method, dress under TV technology, more particularly to a kind of single decoder
Put and storage medium.
Background technology
Current TV development platform is all single decoder mostly, and increasing network video-on-demand wants to broadcasting
Advertisement is inserted at any time when putting positive.If realizing multiple players, then in a player plays, another broadcasting
Device can load data, and the speed for being so switched to second player has obtained larger lifting, but works as and switch back into first
During the player plays positive of road, because the data in decoder are cleared, cause to return to when first via player is played out without
Method accomplishes seamless play.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
The content of the invention
It is a primary object of the present invention to propose under a kind of single decoder many player fast switch over method, device and deposit
Storage media, it is intended to solve multiple players under single decoder in the prior art and carry out that during video switching seamless play can not be accomplished
Technical problem.
To achieve the above object, the present invention provides many player fast switch over method under a kind of single decoder, single solution
Many player fast switch over method comprise the following steps under code device：
When receiving the first play instruction that first via server is sent, the first via is regarded according to first play instruction
Frequency is played out；
The video data feeding buffering area of the first via video is cached；
When receiving the second play instruction that the second road server is sent, the first via video is suspended, obtained
The current time stamp of first via video, and played out the second road video according to second play instruction；
Data renewal is carried out to the buffering area according to the current time stamp；
When receiving three play instruction that the first via server is sent, it will be updated according to the 3rd play instruction
Video data feeding decoder in buffering area afterwards, continues to play the first via video, to realize being switched fast for video.
Preferably, it is described before the video data feeding buffering area progress caching step by the first via video
Method includes：
Obtain the video data of pending first via video；
Parsing acquisition identification information is carried out to the video data of the pending first via video；
The video data of the pending first via video is ranked up according to the identification information, after acquisition processing
The video data of first via video；
The video data feeding buffering area of the first via video is cached.
Preferably, it is described before the video data feeding buffering area progress caching step by the first via video
Method also includes：
The video data of the first via video is grouped according to the identification information, described the after packet is obtained
Picture group data of the video data of video all the way；
By timestamp in the picture group data markers, and according to the timestamp by the picture group data according to the time
Order is ranked up；
Picture group data feeding buffering area is cached.
Preferably, it is described when receiving the second play instruction that the second road server is sent, the first via video is entered
Row pause, the current time stamp step for obtaining first via video is specifically included：
The picture group data are sent into decoder to be decoded；
Obtain the timestamp of decoded current picture group data；
Using the timestamp as first via video current time stamp.
Preferably, it is described that buffering area progress data renewal step is specifically included according to the current time stamp：
The timestamp of the current time stamp of the first via video and current picture group data is compared；
, will buffering if the current time stamp of the first via video is more than the timestamp of the current picture group data
The current picture group data in area are deleted.
Preferably, it is described that buffering area progress data renewal step is specifically also included according to the current time stamp：
If the current time stamp of the first via video is less than the timestamp of the picture group data, current draw is obtained
The timestamp of preset time in the group data of face.
Preferably, it is described when receiving three play instruction that the first via server is sent, broadcast according to the described 3rd
Put instruction and the video data in the buffering area after renewal is sent into decoder, continue to play the first via video, regarded with realizing
Being switched fast for frequency is specifically included：
The timestamp of preset time in the current picture group data obtains new pending first via video
Video data.
Preferably, it is described when receiving three play instruction that the first via server is sent, broadcast according to the described 3rd
Put instruction and the video data in the buffering area after renewal is sent into decoder, continue to play the first via video, regarded with realizing
Frequency is switched fast before step, and methods described also includes：
The video data of the first via video and picture group data feeding buffering area are cached.
In addition, to achieve the above object, the present invention also proposes many player apparatus for fast switching, institute under a kind of single decoder
Stating many player apparatus for fast switching under single decoder includes：Memory, processor and it is stored on the memory and can be
Many player fast handover procedures under the single decoder run on the processor, described program is arranged for carrying out such as claim
Under single decoder any one of 1 to 8 the step of many player fast switch over method.
In addition, to achieve the above object, the present invention also proposes single solution that is stored with a kind of storage medium, the storage medium
It is real when many player fast handover procedures are executed by processor under many player fast handover procedures under code device, the single decoder
Now under single decoder as described above the step of many player fast switch over method.
Many player fast switch over method under single decoder proposed by the present invention, are receiving first via server is sent the
During one play instruction, first via video is played out according to the first play instruction, when playing, by the video of first via video
Data feeding buffering area is cached, then when receiving the second play instruction of the second road server transmission, first via video is entered
Row pause, obtains the current time stamp of first via video, and is played out the second road video according to the second play instruction, according to
The current time stamp carries out data renewal to the buffering area, then receives the 3rd broadcasting that the first via server sends and refer to
When making, the video data in the buffering area after renewal is sent into by decoder according to the 3rd play instruction, continues the broadcasting first via and regards
Frequently, to realize being switched fast for video.Due to being handled in the present invention video data, video data is marked upper corresponding
Timestamp is simultaneously ranked up and is re-fed into buffering area and is cached, and entered the video data in buffering area according to current time stamp
Row updates, therefore, can be switched to the video to be played of correspondent time in time when carrying out video switching, accomplish no seaming and cutting
Change, so as to improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is the player structure schematic diagram for the hardware running environment that scheme of the embodiment of the present invention is related to；
Fig. 2 is the schematic flow sheet of many player fast switch over method first embodiments under single decoder of the present invention；
Fig. 3 is the schematic flow sheet of many player fast switch over method second embodiments under single decoder of the present invention；
Fig. 4 is many player system block diagrams under single decoder；
Fig. 5 is streaming media video principle of optimality figure；
Fig. 6 is the schematic flow sheet of many player fast switch over method 3rd embodiments under single decoder of the present invention；
Fig. 7 is picture group arrangement schematic diagram in buffering area；
Fig. 8 is the schematic flow sheet of many player fast switch over method fourth embodiments under single decoder of the present invention；
Fig. 9 is the schematic flow sheet of many embodiments of player fast switch over method the 5th under single decoder of the present invention；
Figure 10 is the schematic flow sheet of many player fast switch over method sixth embodiments under single decoder of the present invention；
Figure 11 is the schematic flow sheet of many embodiments of player fast switch over method the 7th under single decoder of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The solution of the embodiment of the present invention is mainly：When receiving the first play instruction that first via server is sent,
First via video is played out according to first play instruction；The video data of the first via video is sent into buffering area
Cached；When receiving the second play instruction that the second road server is sent, the first via video is suspended, obtained
The current time stamp of first via video, and played out the second road video according to second play instruction；Worked as according to described
Preceding timestamp carries out data renewal to the buffering area；When receiving three play instruction that the first via server is sent,
Video data in buffering area after renewal is sent into by decoder according to the 3rd play instruction, continues to play the first via
Video, to realize being switched fast for video.By the technical scheme of the embodiment of the present invention, multiple players under single decoder are solved
The problem of carrying out that seamless play can not be accomplished during video switching.
Many player knots under reference picture 1, the single decoder for the hardware running environment that Fig. 1 is related to for scheme of the embodiment of the present invention
Structure schematic diagram.
As shown in figure 1, the player can include：Controller 1001, such as CPU, communication bus 1002, user interface
1003, network interface 1004, memory 1005, separator 1006, decoder 1007.Wherein, communication bus 1002 is used to realize
Connection communication between these components.User interface 1003 can include display (Display), input block such as remote control
(Remote Control), optional user interface 1003 can also include wireline interface, the wave point of standard.Network interface
1004 can optionally include wireline interface, the wave point (such as WI-FI interfaces) of standard.Memory 1005 can be at a high speed
RAM memory or stable memory (non-volatile memory), such as magnetic disk storage.Memory 1005
The optional storage device that can also be independently of aforementioned controllers 1001.It is defeated that separator 1006 can receive user interface 1003
The data entered, can also receive the data of the input of network interface 1004, and controller 1001 can be called storage by decoder 1007
Data in device 1005 are decoded, and the data that controller 1001 can export separator 1006 are sent to the He of decoder 1007
Memory 1005.
It will be understood by those skilled in the art that the player structure shown in Fig. 1 does not constitute the restriction to player, can
With including than illustrating more or less parts, either combining some parts or different parts arrangement.
As shown in figure 1, leading to as operating system, network can be included in a kind of memory 1005 of computer-readable storage medium
Many player fast handover procedures under letter module, Subscriber Interface Module SIM and single decoder.
In the player shown in Fig. 1, network interface 1004 is mainly used in connecting network, and carrying out data with internet leads to
Letter；User interface 1003 is mainly used in connecting user terminal, and row data communication is entered with terminal；Controller in player of the present invention
1001st, memory 1005 can be arranged under single decoder in many player apparatus for fast switching, multicast under the single decoder
Put device apparatus for fast switching calls many players under the single decoder stored in memory 1005 quickly to cut by controller 1001
Program is changed, and performs following operate：
When receiving the first play instruction that first via server is sent, the first via is regarded according to first play instruction
Frequency is played out；
The video data feeding buffering area of the first via video is cached；
When receiving the second play instruction that the second road server is sent, the first via video is suspended, obtained
The current time stamp of first via video, and played out the second road video according to second play instruction；
Data renewal is carried out to the buffering area according to the current time stamp；
When receiving three play instruction that the first via server is sent, it will be updated according to the 3rd play instruction
Video data feeding decoder in buffering area afterwards, continues to play the first via video, to realize being switched fast for video.
Further, controller 1001 can call many players under the single decoder stored in memory 1005 quickly to cut
Program is changed, following operate also is performed：
Obtain the video data of pending first via video；
Parsing acquisition identification information is carried out to the video data of the pending first via video；
The video data of the pending first via video is ranked up according to the identification information, after acquisition processing
The video data of first via video；
The video data feeding buffering area of the first via video is cached.
Further, controller 1001 can call many players under the single decoder stored in memory 1005 quickly to cut
Program is changed, following operate also is performed：
The video data of the first via video is grouped according to the identification information, described the after packet is obtained
Picture group data of the video data of video all the way；
By timestamp in the picture group data markers, and according to the timestamp by the picture group data according to the time
Order is ranked up；
Picture group data feeding buffering area is cached.
Further, controller 1001 can call many players under the single decoder stored in memory 1005 quickly to cut
Program is changed, following operate also is performed：
The picture group data are sent into decoder to be decoded；
Obtain the timestamp of decoded current picture group data；
Using the timestamp as first via video current time stamp.
Further, controller 1001 can call many players under the single decoder stored in memory 1005 quickly to cut
Program is changed, following operate also is performed：
The timestamp of the current time stamp of the first via video and current picture group data is compared；
, will buffering if the current time stamp of the first via video is more than the timestamp of the current picture group data
The current picture group data in area are deleted.
Further, controller 1001 can call many players under the single decoder stored in memory 1005 quickly to cut
Program is changed, following operate also is performed：
If the current time stamp of the first via video is less than the timestamp of the picture group data, current draw is obtained
The timestamp of preset time in the group data of face.
Further, controller 1001 can call many players under the single decoder stored in memory 1005 quickly to cut
Program is changed, following operate also is performed：
The timestamp of preset time in the current picture group data obtains new pending first via video
Video data.
Further, controller 1001 can call many players under the single decoder stored in memory 1005 quickly to cut
Program is changed, following operate also is performed：
The video data of the first via video and picture group data feeding buffering area are cached.
The present embodiment is by such scheme, when receiving the first play instruction that first via server is sent, according to described
First play instruction plays out first via video；The video data feeding buffering area of the first via video is delayed
Deposit；When receiving the second play instruction that the second road server is sent, the first via video is suspended, the first via is obtained
The current time stamp of video, and played out the second road video according to second play instruction；According to the current time
Stamp carries out data renewal to the buffering area；When receiving three play instruction that the first via server is sent, according to institute
State the 3rd play instruction and the video data in the buffering area after renewal sent into decoder, continue to play the first via video,
To realize being switched fast for video.Because when video switches, the video data in decoder is emptied, without again
Send video data, it is only necessary to the video of pause is carried out by seamless play according to the timestamp of the video pause of record, therefore subtracted
The buffer time of few video switching, improve Consumer's Experience.
Based on above-mentioned hardware configuration, many player fast switch over method embodiments under single decoder of the present invention are proposed.
Reference picture 2, Fig. 2 is the flow signal of many player fast switch over method first embodiments under single decoder of the present invention
Figure.
In the first embodiment, many player fast switch over method comprise the following steps under the single decoder：
Step S10, will according to first play instruction when receiving the first play instruction that first via server is sent
First via video is played out；
In the present embodiment, the player is many players of single decoder, and each player corresponding server is instructed
Control, when receiving the first play instruction that first via server is sent, first via video player carries out video playback.
The present embodiment is decoded using single decoder, i.e., only one of which multimedia resource is in broadcast state, first
When road video is played out, the second road video player carries out video data buffer status, first sent in the reception server
During the video playback instruction of the second tunnel of road video pause, first via video carries out park mode, i.e. first via video player and carried out
Video data buffer status, the second road video player carries out the second road video data broadcast state.
Step S20, the video data feeding buffering area of the first via video is cached；
Player gets Data Data, and the video data is sent in decoder and is decoded and is played, also should
Video data is sent to buffering area and cached.
The present embodiment sets data management system, and data management system is cached the video data feeding buffering area of acquisition,
The data management system obtains the video data of the separation in separator, and the video data handled, by after treatment
Video data sends into buffering area, and the buffering area storage is currently needed for the video data played, and the video counts of buffering area storage
According to for the video data after the processing that is ranked up by data processing and temporally.
Step S30, when receiving the second play instruction that the second road server is sent, the first via video is carried out temporary
Stop, obtain the current time stamp of first via video, and played out the second road video according to second play instruction；
When playing out device switching, the instruction for the second tunnel video playback that the second road server is sent is obtained, enters the second tunnel
Video is played out, accordingly, and first via video is suspended, and in buffer status.
Understand, in first via video player placed in a suspend state, when the second road video player is in broadcast state, solution
Data in code device can be emptied, and the video data for the first via video being already sent in the first Video Decoder will be deleted
Remove.
When getting video data, video data is sent in decoder and decodes and plays out, also by video data
Timestamp is put on, is ranked up sequentially in time, and is sent to buffering area and is cached.
In first via video player placed in a suspend state, when the second road video player is in broadcast state, in decoding
The video data data markers of decoding are passed through in device a timestamp, obtains current timestamp, using the timestamp as extensive
The timing node of video data when replay is put.
Step S40, data renewal is carried out according to the current time stamp to the buffering area；
When first via video is in pause, current play time stamp is got, is stabbed according to current play time with buffering
The video data of area's caching is compared, if current play time stamp is more than the video data of buffer cache, illustrates slow
It is to pass through the video data for decoding and playing to rush the video data cached in area, in this case, by buffering area
Video data deleted, and obtain the new video data played out.
If current play time stamp is less than in the video data of buffer cache, illustrate the video cached in buffering area
Data are the video datas do not played also, in this case, obtain the timestamp of the time cached in buffering area the latest,
And continued to obtain new video data according to the timestamp, so as to ensure that caching is that video data is suitable according to the time in buffering area
Sequence is ranked up and continuous video data.
Understand, the video video data buffered in buffering area carry out real-time update according to currently playing timestamp, it is ensured that
The video data cached in the buffer is the video data do not played, and the video data played out is deleted
Remove.
Step S50, when receiving three play instruction that the first via server is sent, plays according to the described 3rd and refers to
Make and the video data in the buffering area after renewal is sent into decoder, continue to play the first via video, to realize video
It is switched fast.
The first via video for receiving the transmission of first via server plays out instruction, enters first via video and carries out continuing to broadcast
Put, the second road video carries out buffer status, and principle when being buffered in buffer status to the first via is substantially similar, no longer multiple herein
State.
When video is switched again, the video data updated in buffering area is sent into decoder and played out, due to
Buffer cache is the continuous video data do not played for having carried out video renewal, it is ensured that the continuity of video playback,
So as to being switched fast for video video.
The present embodiment is by such scheme, when receiving the first play instruction that first via server is sent, according to first
Play instruction plays out first via video, when playing, and the video data feeding buffering area of first via video is delayed
When depositing, then receiving the second play instruction of the second road server transmission, first via video is suspended, first via video is obtained
Current time stamp, and the second road video is played out according to the second play instruction, according to the current time stamp to described
Buffering area carries out data renewal, then when receiving three play instruction of the first via server transmission, plays and refer to according to the 3rd
Make and the video data in the buffering area after renewal is sent into decoder, continue to play first via video, to realize the quick of video
Switching.Due to being handled in the present invention video data, upper corresponding timestamp is marked to video data and is ranked up again
It is sent to buffering area to be cached, and is updated the video data in buffer area according to current time stamp, therefore, is carrying out
Video can be switched to the video to be played of correspondent time in time when switching, and accomplish seamless switching, so as to improve Consumer's Experience.
Reference picture 3, Fig. 3 is the flow signal of many player fast switch over method second embodiments under single decoder of the present invention
Figure.
In a second embodiment, before the step S20, in addition to：
Step S201, obtains the video data of pending first via video；
As shown in figure 4, player1 is first via player, player2 is No. second player, and InputSource is original
Beginning data, Demux is separator, and initial data is separated, and voice data and video data are separated,
DataManager is data management system, and the video data in separator is sent in video Decoder decoders and solved
Code, decoder is used for the decoding of media data, is broadly divided into Video Decoder and audio decoder, is mainly in the present embodiment
For video decoding, video data is also sent to Buffer buffering areas and cached by data management system, and Display is display
Device, the video data decoded in Decoder decoders is played out, the operation principle of player2 No. second player with
Player1 first via players are identical, no longer repeat herein.
Initial data is obtained, if initial data is network flow, what is obtained is the data that network interface is downloaded, if
Local file is played, then corresponding is the data obtained by user interface, is constantly read from the user interface from file
Enter data, and be sent in separator and separated, the video data separated is the pending video of the first via.
Step S202, parsing acquisition identification information is carried out to the video data of the pending first via video；
The video data is the frame of video that encoded device is encoded, it is encoded after frame of video for video pictures are divided into
Tri- kinds of I, P, B, I frames are intra-coded frames, and P frames are forward coding frames, and B frames are alternating binary coding frames, and I frames are a complete pictures
Face, and P frames and B frame recordings is, relative to the change of I frames, not have I frames, P frames and B frames can not just be decoded.
The of the video data of pending first via video is found after the video data for obtaining pending first via video
One I frame, finds next I frames successively, according to the I frames searched out, at the video data of pending first via video
Reason.
Data management system obtains video data from separator, and is parsed, and first I frame is found, by searching out I
Frame is ranked up to the video data, and the video is sent into buffering area cached, if the video data first obtained
Individual image frame is not I frames, then is abandoned the image frame, until searching out first I frame.
The video data of the pending first via video, is ranked up, obtains by step S203 according to the identification information
Take the video data of the first via video after processing；
The video data of the pending first via video is ranked up according to the I frames searched out, by the pending number
According to the video data for the first via video being processed into since I frames.
As shown in figure 5, the video data of the first via video is to proceed by sequence from I frames, and to next I frames.
Step S204, the video data feeding buffering area of the first via video is cached.
The present embodiment is by the judgement to I frames, so that video data is arranged in into the video data since I frames, it is ensured that
Carry out obtaining accurate current play time stamp when decoding is played in video data.
Reference picture 6, Fig. 6 is the flow signal of many player fast switch over method 3rd embodiments under single decoder of the present invention
Figure.
In the third embodiment, before the step S20, in addition to：
Further, before the step S20, in addition to：
The video data of the first via video, is grouped by step S205 according to the identification information, obtains packet
The picture group data of the video data of the first via video afterwards；
The video data of first via video is to proceed by sequence from I frames, and to next I frames, according to the mark of I frames
Information, is divided into GOP by the video data of first via video, and first GOP is started with I frames, and according to next I searched out
Frame, judges next GOP, and will carry out the video data feeding buffering area of the first via video of GOP judgements and be cached.
Step S206, by timestamp in the picture group data markers, and according to the timestamp by the picture group number
According to being ranked up sequentially in time；
Continue as shown in figure 5, receive be arranged in since video data I frames when, then video data solved
Analysis, seeks each I frame, if not I frames, illustrates that with previous I frames be not same GOP (Group of Picture pictures
Group), if I frames, explanation is a new GOP, will be cached in the GOP data feeding buffering area that sorted, and according to
Between the GOP is carried out at the beginning of information updating, including GOP and the end time, such as in Fig. 5, t1 is a GOP time started,
T2 is a GOP end time, the GOP in buffering area is ranked up sequentially in time, next I frames represent next
GOP。
Video data is ranked up according to the I frames of video data, the GOP since I frames is obtained, GOP is sent to slow
Rush in area, and according to GOP by video data mark at the beginning of upper each GOP between and the end time.
As shown in fig. 7, in Buffer buffering areas cache arrangement GOP, such as GOP1, GOP2.
Step S207, picture group data feeding buffering area is cached.
The GOP video datas for putting on temporal information are sent into buffering area to be cached, also the video information are sent to
Decoded and played in decoder.
The present embodiment is by the way that video data is handled, and making to be sent to the video data in decoder is started with I frames
Picture group, and the picture group puts on timestamp, the current time stamp of first via video playback when more effectively obtaining switching.
Reference picture 8, Fig. 8 is the flow signal of many player fast switch over method fourth embodiments under single decoder of the present invention
Figure.
In the fourth embodiment, the step S30 is specifically included：
The picture group data are sent to decoder and decoded by step S301；
The picture group data that data management system puts on timestamp are sent in decoder and decoded, and are regarded by decoded
Frequency is according to can just play out.
Step S302, obtains the timestamp of decoded current picture group data；
When receiving the video playback instruction of the second tunnel of first via video pause, GOP's works as when having been played in acquisition decoder
Preceding timestamp, GOP includes time started and end time, can obtain GOP end time, and the time that the GOP terminates is made
For current time stamp.
,, will when next GOP is decoded if finished in decoder current GOP is decoded when switching over
Next GOP times are abandoned, and obtain decoded GOP end time.
Step S303, using the timestamp as first via video current time stamp.
Using decoded GOP end time, as current time stamp, and records current time stamp and entered in a decoder
Row is preserved, so as to which when carrying out continuing to play, the timing node for continuing to play is used as using the current time stamp of record.
The present embodiment is by regarding GOP decoded in decoder end time as the time for continuing to play next time
Point, the current time stamp of first via video playback when more accurately obtaining switching.
Reference picture 9, Fig. 9 is the flow signal of many embodiments of player fast switch over method the 5th under single decoder of the present invention
Figure.
In the 5th embodiment, the step S40 is specifically included：
Step S401, the timestamp of the current time stamp of the first via video and current picture group data is compared
Compared with；
Step S402, if the current time stamp of the first via video is more than the time of the current picture group data
Stamp, then delete the current picture group data in first via screen buffer.
When carrying out video playback, the current time stamp in decoder is obtained, by the current time stamp in decoder with delaying
The GOP rushed in area timestamp is compared, if current time stamp is more than the timestamp second of the video data in buffering area
Between at the beginning of individual GOP, illustrate that first GOP is normally decoded and shown and finish, in this case, by buffering area
One GOP is deleted, when obtaining current time stamp in real time, the like, by what is finished in screen buffer
GOP is deleted, it is ensured that be newest GOP data by the data of screen buffer.
The broadcasting first via video that is sent in the present embodiment by the reception server, the instruction for suspending the second road video, delay
GOP data when the data for rushing area's reservation are first via video pause, it is ensured that continue to carry out quick seamless play when playing.
Reference picture 10, Figure 10 shows for the flow of many player fast switch over method sixth embodiments under single decoder of the present invention
It is intended to.
In the sixth embodiment, the step S40 is specifically included：
Step S403, if the current time stamp of the first via video is less than the timestamp of the picture group data,
Obtain the timestamp of the preset time in current picture group data.
The reception server send broadcastings first via video, pause the second road video instruction when, if current time stamp
Less than the video data in buffering area second GOP of timestamp at the beginning of between, illustrate first GOP also without proper solution
Code, in this case, it is all the GOP not decoded also to illustrate the GOP in buffering area, in this case, obtains slow
Rush the timestamp of GOP times the latest in area.
Broadcasting first via video that the present embodiment is sent by the reception server, the instruction for suspending the second road video, buffering
The GOP data do not played also when the data that area retains are first via video pause, it is ensured that not having pause when continuing to play
Decoded in the GOP data feeding decoder for having broadcasting, it is ensured that video carries out seamless play when switching.
Reference picture 11, Figure 11 shows for the flow of many embodiments of player fast switch over method the 7th under single decoder of the present invention
It is intended to.
In the 7th embodiment, the step S50 is specifically included：
Step S60, the timestamp of the preset time in the current picture group data obtains new pending first
The video data of road video.
In the present embodiment, after the broadcasting first via video of the reception server transmission, the instruction of the second road video of pause, root
First via video playback is carried out according to current time stamp, if current time stamp is less than the timestamp the of the video data in buffering area
Between at the beginning of two GOP, the timestamp of GOP times the latest in buffering area is obtained, in this case, is illustrated in buffering area
When the timestamp of GOP times the latest is the second tunnel of first via video pause video playback, the timing node in buffering area, by slow
Rush the timestamp of GOP times the latest in area and obtain the video data of new pending first via video, so that GOP in buffering area
For according to the continuous GOP of time-sequencing, so that it is guaranteed that the data newly sent into are to follow the GOP above having been fed into, it is ensured that after
Continuous broadcasting is continuous without frame-skipping.
The present embodiment is by after the instruction of the second tunnel of first via video pause video playback, obtaining what is cached in buffering area
The timestamp of GOP times the latest, the timestamp of the GOP times of the caching the latest is recorded, it is ensured that the data newly sent into are
Follow the GOP above having been fed into, it is ensured that follow-up broadcasting is continuous without frame-skipping.
In addition, the embodiment of the present invention also proposes the list that is stored with a kind of storage medium, the computer-readable recording medium
When many player fast handover procedures are executed by processor under many player fast handover procedures, the single decoder under decoder
Realize following operation：
When receiving the first play instruction that first via server is sent, the first via is regarded according to first play instruction
Frequency is played out；
The video data feeding buffering area of the first via video is cached；
When receiving the second play instruction that the second road server is sent, the first via video is suspended, obtained
The current time stamp of first via video, and played out the second road video according to second play instruction；
Data renewal is carried out to the buffering area according to the current time stamp；
When receiving three play instruction that the first via server is sent, it will be updated according to the 3rd play instruction
Video data feeding decoder in buffering area afterwards, continues to play the first via video, to realize being switched fast for video.
Further, following behaviour is also realized when many player fast handover procedures are executed by processor under the single decoder
Make：
Obtain the video data of pending first via video；
Parsing acquisition identification information is carried out to the video data of the pending first via video；
The video data of the pending first via video is ranked up according to the identification information, after acquisition processing
The video data of first via video；
The video data of the first via video is stored in first via screen buffer.
Further, following behaviour is also realized when many player fast handover procedures are executed by processor under the single decoder
Make：
The video data of the first via video is grouped according to the identification information, described the after packet is obtained
Picture group data of the video data of video all the way；
By timestamp in the picture group data markers, and according to the timestamp by the picture group data according to the time
Order is ranked up；
Picture group data feeding buffering area is cached.
Further, following behaviour is also realized when many player fast handover procedures are executed by processor under the single decoder
Make：
The picture group data are sent into decoder to be decoded；
Obtain the timestamp of decoded current picture group data；
Using the timestamp as first via video current time stamp.
Further, following behaviour is also realized when many player fast handover procedures are executed by processor under the single decoder
Make：
The timestamp of the current time stamp of the first via video and current picture group data is compared；
If the current time stamp of first video is more than the timestamp of the current picture group data, first is regarded
The current picture group data in frequency buffering area are deleted.
Further, following behaviour is also realized when many player fast handover procedures are executed by processor under the single decoder
Make：
If the current time stamp of the first via video is less than the timestamp of the picture group data, current draw is obtained
The timestamp of preset time in the group data of face.
Further, following behaviour is also realized when many player fast handover procedures are executed by processor under the single decoder
Make：
The timestamp of preset time in the current picture group data obtains new pending first via video
Video data.
Further, following behaviour is also realized when many player fast handover procedures are executed by processor under the single decoder
Make：
The video data of the first via video and picture group data feeding buffering area are cached.
The present embodiment is by such scheme, when receiving the first play instruction that first via server is sent, according to first
Play instruction plays out first via video, when playing, and the video data feeding buffering area of first via video is delayed
When depositing, then receiving the second play instruction of the second road server transmission, first via video is suspended, first via video is obtained
Current time stamp, and the second road video is played out according to the second play instruction, according to the current time stamp to described
Buffering area carries out data renewal, then when receiving three play instruction of the first via server transmission, plays and refer to according to the 3rd
Make and the video data in the buffering area after renewal is sent into decoder, continue to play first via video, to realize the quick of video
Switching.Due to being handled in the present invention video data, upper corresponding timestamp is marked to video data and is ranked up again
It is sent to buffering area to be cached, and is updated the video data in buffer area according to current time stamp, therefore, is carrying out
Video can be switched to the video to be played of correspondent time in time when switching, and accomplish seamless switching, so as to improve Consumer's Experience.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or system including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in process, method, article or the system of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In if the unit claim of equipment for drying is listed, several in these devices can be by same hard
Part is embodied.The use of word first, second, and third does not indicate that any order.These words can be explained
For title.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Understood based on such, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone,
Computer, server, air conditioner, or network equipment etc.) perform method described in each of the invention embodiment.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. many player fast switch over method under a kind of single decoder, it is characterised in that methods described includes：
When receiving the first play instruction that first via server is sent, first via video is entered according to first play instruction
Row is played；
The video data feeding buffering area of the first via video is cached；
When receiving the second play instruction that the second road server is sent, the first via video is suspended, first is obtained
The current time stamp of road video, and played out the second road video according to second play instruction；
Data renewal is carried out to the buffering area according to the current time stamp；
When receiving three play instruction that the first via server is sent, according to the 3rd play instruction by after renewal
Video data feeding decoder in buffering area, continues to play the first via video, to realize being switched fast for video.
2. many player fast switch over method under single decoder as claimed in claim 1, it is characterised in that described by described
Before the video data feeding buffering area of video carries out caching step all the way, methods described includes：
Obtain the video data of pending first via video；
Parsing acquisition identification information is carried out to the video data of the pending first via video；
The video data of the pending first via video is ranked up according to the identification information, first after acquisition processing
The video data of road video；
The video data feeding buffering area of the first via video is cached.
3. many player fast switch over method under single decoder as claimed in claim 1 or 2, it is characterised in that described by institute
Before the video data feeding buffering area progress caching step for stating first via video, methods described also includes：
The video data of the first via video is grouped according to the identification information, the first via after packet is obtained
The picture group data of the video data of video；
By timestamp in the picture group data markers, and according to the timestamp by the picture group data sequentially in time
It is ranked up；
Picture group data feeding buffering area is cached.
4. many player fast switch over method under single decoder as claimed in claim 1, it is characterised in that described to receive the
During the second play instruction that two road servers are sent, the first via video is suspended, the current of first via video is obtained
Timestamp step is specifically included：
The picture group data are sent into decoder to be decoded；
Obtain the timestamp of decoded current picture group data；
Using the timestamp as first via video current time stamp.
5. many player fast switch over method under single decoder as claimed in claim 4, it is characterised in that described in the basis
Current time stamp carries out data renewal step to the buffering area and specifically included：
The timestamp of the current time stamp of the first via video and current picture group data is compared；
If the current time stamp of the first via video is more than the timestamp of the current picture group data, by buffering area
The current picture group data delete.
6. many player fast switch over method under single decoder as claimed in claim 5, it is characterised in that described in the basis
Current time stamp, which carries out data renewal step to the buffering area, specifically also to be included：
If the current time stamp of the first via video is less than the timestamp of the picture group data, current picture group is obtained
The timestamp of preset time in data.
7. many player fast switch over method under single decoder as claimed in claim 6, it is characterised in that described to receive institute
When stating three play instruction of first via server transmission, according to the 3rd play instruction by regarding in the buffering area after renewal
Frequency continues to play the first via video, to realize that being switched fast for video specifically includes according to feeding decoder：
The timestamp of preset time in the current picture group data obtains the video of new pending first via video
Data.
8. many player fast switch over method under the single decoder as described in any one of claim 1 to 7, it is characterised in that institute
State when receiving three play instruction that the first via server is sent, will be slow after renewal according to the 3rd play instruction
The video data feeding decoder rushed in area, continues to play the first via video, with realize video be switched fast step it
Before, methods described also includes：
The video data of the first via video and picture group data feeding buffering area are cached.
9. many player apparatus for fast switching under a kind of single decoder, it is characterised in that described device includes：Memory, processing
Device and many player fast handover procedures under the single decoder that can be run on the memory and on the processor are stored in,
Described program is arranged for carrying out many player fast switch over method under the single decoder as any one of claim 1 to 8
The step of.
10. a kind of computer-readable recording medium, it is characterised in that be stored with single decoding on the computer-readable recording medium
Many player fast handover procedures under device, are realized as any one of claim 1 to 8 when described program is executed by processor
Single decoder under many player fast switch over method the step of.
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| CN201710319701.5A CN107071549A (en) | 2017-05-05 | 2017-05-05 | Many player fast switch over method, device and storage medium under single decoder |
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| CN201710319701.5A CN107071549A (en) | 2017-05-05 | 2017-05-05 | Many player fast switch over method, device and storage medium under single decoder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786890A (en) * | 2017-10-30 | 2018-03-09 | 深圳Tcl数字技术有限公司 | Video switching method, device and storage medium |
| CN110213659A (en) * | 2019-07-01 | 2019-09-06 | 杭州当虹科技股份有限公司 | A kind of implementation method that player can be switched fast between different video stream |
| WO2020114146A1 (en) * | 2018-12-07 | 2020-06-11 | 广州市百果园信息技术有限公司 | Multi-video playing method, storage medium, and computer device |
| CN111954068A (en) * | 2019-05-14 | 2020-11-17 | 阿里巴巴集团控股有限公司 | Method and device for video definition switching and electronic device |
| CN112887774A (en) * | 2021-02-05 | 2021-06-01 | 冠捷显示科技（厦门）有限公司 | Method and device for playing content seamlessly |
| CN113271468A (en) * | 2020-02-14 | 2021-08-17 | 北京灵汐科技有限公司 | SoC video decoding and buffering method and device based on GOP |
| CN114584794A (en) * | 2020-12-01 | 2022-06-03 | 青岛海信宽带多媒体技术有限公司 | Audio and video playing method and device, playing terminal and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030035650A1 (en) * | 2001-08-20 | 2003-02-20 | Jason Demas | Apparatus and method of seamless switching between a live DTV decoding and a PVR playback |
| CN101335883A (en) * | 2007-06-29 | 2008-12-31 | 国际商业机器公司 | Method and apparatus for processing video stream in digital video broadcast system |
| JP2013025855A (en) * | 2011-07-26 | 2013-02-04 | Mitsubishi Electric Corp | Disk reproducing device |
| CN103780943A (en) * | 2014-01-24 | 2014-05-07 | 华为技术有限公司 | Audio channel switching method, device and system |
| CN105657524A (en) * | 2016-01-13 | 2016-06-08 | 上海视云网络科技有限公司 | Seamless video switching method |
| CN105828195A (en) * | 2016-03-10 | 2016-08-03 | 乐视云计算有限公司 | Suspending resuming method and apparatus of player |
| CN106534952A (en) * | 2016-09-28 | 2017-03-22 | 青岛海信电器股份有限公司 | Method for continuingly playing film source after source switching and smart television |
-
2017
- 2017-05-05 CN CN201710319701.5A patent/CN107071549A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030035650A1 (en) * | 2001-08-20 | 2003-02-20 | Jason Demas | Apparatus and method of seamless switching between a live DTV decoding and a PVR playback |
| CN101335883A (en) * | 2007-06-29 | 2008-12-31 | 国际商业机器公司 | Method and apparatus for processing video stream in digital video broadcast system |
| JP2013025855A (en) * | 2011-07-26 | 2013-02-04 | Mitsubishi Electric Corp | Disk reproducing device |
| CN103780943A (en) * | 2014-01-24 | 2014-05-07 | 华为技术有限公司 | Audio channel switching method, device and system |
| CN105657524A (en) * | 2016-01-13 | 2016-06-08 | 上海视云网络科技有限公司 | Seamless video switching method |
| CN105828195A (en) * | 2016-03-10 | 2016-08-03 | 乐视云计算有限公司 | Suspending resuming method and apparatus of player |
| CN106534952A (en) * | 2016-09-28 | 2017-03-22 | 青岛海信电器股份有限公司 | Method for continuingly playing film source after source switching and smart television |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786890A (en) * | 2017-10-30 | 2018-03-09 | 深圳Tcl数字技术有限公司 | Video switching method, device and storage medium |
| WO2020114146A1 (en) * | 2018-12-07 | 2020-06-11 | 广州市百果园信息技术有限公司 | Multi-video playing method, storage medium, and computer device |
| RU2762399C1 (en) * | 2018-12-07 | 2021-12-21 | Биго Текнолоджи Пте. Лтд. | Method for playing multiple videos, data storage, and computer apparatus |
| US11627357B2 (en) | 2018-12-07 | 2023-04-11 | Bigo Technology Pte. Ltd. | Method for playing a plurality of videos, storage medium and computer device |
| CN111954068A (en) * | 2019-05-14 | 2020-11-17 | 阿里巴巴集团控股有限公司 | Method and device for video definition switching and electronic device |
| CN110213659A (en) * | 2019-07-01 | 2019-09-06 | 杭州当虹科技股份有限公司 | A kind of implementation method that player can be switched fast between different video stream |
| CN113271468A (en) * | 2020-02-14 | 2021-08-17 | 北京灵汐科技有限公司 | SoC video decoding and buffering method and device based on GOP |
| CN114584794A (en) * | 2020-12-01 | 2022-06-03 | 青岛海信宽带多媒体技术有限公司 | Audio and video playing method and device, playing terminal and storage medium |
| CN114584794B (en) * | 2020-12-01 | 2023-09-22 | 青岛海信宽带多媒体技术有限公司 | Audio and video playing method and device, intelligent set top box and storage medium |
| CN112887774A (en) * | 2021-02-05 | 2021-06-01 | 冠捷显示科技（厦门）有限公司 | Method and device for playing content seamlessly |
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Application publication date: 20170818 |