CN106060610A - Player synchronization system and method - Google Patents
Player synchronization system and method Download PDFInfo
- Publication number
- CN106060610A CN106060610A CN201610398679.3A CN201610398679A CN106060610A CN 106060610 A CN106060610 A CN 106060610A CN 201610398679 A CN201610398679 A CN 201610398679A CN 106060610 A CN106060610 A CN 106060610A
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- Prior art keywords
- player
- timestamp
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- audio
- play
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001360 synchronised effect Effects 0.000 claims description 22
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention discloses a player synchronization system and method. The player synchronization system comprises a master player, at least one auxiliary player and a synchronization module, wherein the master player and the auxiliary player are used for playing different audio/video files; and the synchronization module is used for inquiring a master timestamp of an audio/video file played by the master player and an auxiliary timestamp of an audio/video file played by the auxiliary player, comparing the master timestamp with the auxiliary timestamp, and adjusting a playing progress of the auxiliary player when a difference between the master timestamp and the auxiliary timestamp exceeds a preset value. Through adoption of the player synchronization system and method, play synchronization between different players can be realized, and frame skip and lag during switching can be avoided.
Description
Technical field
The present invention relates to intelligent television field, particularly relate to a kind of player and synchronize system and synchronous method.
Background technology
Picture-in-picture, as a kind of video content presentation mode, is used widely on intelligent television, is broadcast at a video
While putting, another video can be play in another region simultaneously, thus while appreciating key frame, monitor that other channels are drawn
Face.
But, in actual application, two nonsynchronous problems of video clock often occur, particularly in viewing
The when of online live video, if two asynchronous Consumer's Experience that can affect of broadcast window, particularly two broadcast windows are broadcast
When putting the identical content of different angles, if player can not synchronize, cause picture asynchronous, during switching, just have significantly jumping
Frame.
It is therefore desirable to player when playing picture-in-picture synchronizes, to avoid the problems such as picture frame-skipping.
Summary of the invention
The technical problem to be solved is to provide a kind of player and synchronizes system and synchronous method, makes difference broadcast
Put the broadcasting content synchronization of window, improve Consumer's Experience.
In order to solve the problems referred to above, the invention provides a kind of player and synchronize system, including: main player and at least one
Individual secondary player, is respectively used to play different audio-video documents, and described audio-video document has identical time reference；Synchronize
Module, the pair of main timestamp with the audio-video document of secondary player plays for inquiring about the audio-video document that main player is play
Timestamp, and described main timestamp and secondary timestamp are compared, when the gap of described main timestamp and secondary timestamp exceedes
During preset value, it is additionally operable to adjust the playing progress rate of described secondary player.
Optionally, described synchronization module includes that query unit and control unit, described query unit are used for inquiring about main broadcaster and put
The main timestamp of audio-video document that device is play and the secondary timestamp of the audio-video document of broadcasting, and to and to described main timestamp
Compare with secondary timestamp；Described control unit is for exceeding preset value when the gap of described main timestamp and secondary timestamp
Time, adjust the playing progress rate of described secondary player.
Optionally, described preset value is 100ms.
Optionally, inside described main player and secondary player, there is audio-visual synchronization unit, for each broadcasting
The Voice & Video of audio-video document synchronizes.
Optionally, between the audio-video document of main player and secondary player plays, there is identical time reference.
The present invention also provides for a kind of player synchronous method, including: main player and at least one secondary player are provided, point
Yong Yu not play different audio-video documents；Main timestamp and the secondary player of the audio-video document that inquiry main player is play are broadcast
The secondary timestamp of the audio-video document put, and described main timestamp and secondary timestamp are compared, when described main timestamp and
When the gap of secondary timestamp exceedes preset value, adjust the playing progress rate of described secondary player.
Optionally, when described main timestamp falls behind secondary timestamp, and the gap of main timestamp and secondary timestamp exceedes default
During value, make secondary player suspend and play, until recovering to play when main timestamp is identical with secondary timestamp.
Optionally, when described secondary timestamp falls behind main timestamp, and the gap of main timestamp and secondary timestamp exceedes default
During value, make secondary player fast-forward play, until recovering normal play when main timestamp is identical with secondary timestamp.
Optionally, described preset value is 100ms.
Optionally, also include: the Voice & Video of the audio-video document that main player and secondary player are each play is entered
Row synchronizes.
The timestamp of the video file that the present invention is each play by synchronization module inquiry main player and secondary player is also
Compare, and adjust the playing progress rate of secondary player accordingly, thus realize the synchronization between different player so that Yong Hu
During Switch Video content, frame-skipping or the problem of card will not occur.
Accompanying drawing explanation
Fig. 1 is the structural representation of the player synchronization system of the embodiment of the invention；
Fig. 2 is the structural representation of the player synchronization system of the embodiment of the invention；
Fig. 3 is the schematic flow sheet of the player synchronous method of the embodiment of the invention.
Detailed description of the invention
The player provided the present invention below in conjunction with the accompanying drawings synchronizes the detailed description of the invention of system and synchronous method and does in detail
Describe in detail bright.
Refer to Fig. 1, be the structural representation of the player synchronization system of a detailed description of the invention.
Described player synchronizes system and includes: main player 21 and at least one secondary player 22, is respectively used to play not
Same audio-video document；Synchronization module 10, broadcasts for the main timestamp and pair inquiring about the audio-video document that main player 21 is play
Put the secondary timestamp of the audio-video document that device 22 is play, and described main timestamp and secondary timestamp are compared, as described master
When the gap of timestamp and secondary timestamp exceedes preset value, it is additionally operable to adjust the playing progress rate of described secondary player 22.
Concrete, the number of described secondary player 22 can set according to the demand of the ability of playback equipment and user
Fixed.The number of described secondary player 22 can be more than one or two.As a detailed description of the invention, described main broadcaster is put
The audio-video document that device 21 and at least one secondary player 22 are play has an identical time reference, usually live video and
Audio frequency, main player 21 and at least one secondary player 22 are respectively used to play the live of same content of different visual angles shooting and regard
Frequency and audio frequency.Now need main player 21 and at least one secondary player 22 are synchronized, with avoid different player it
Between play on content time inconsistent, there is the problem such as frame-skipping or card.
Described main player 21 and at least one secondary player 22 are connected with synchronization module 10 respectively, and main player 21 He
Between at least one secondary player 22 separate.
Synchronization module 10 is for inquiring about the timestamp of the audio-video document that main player 21 is play, as main timestamp, with
In time, inquire about at synchronization, the timestamp of the audio-video document that secondary player 22 is play, as secondary timestamp.Described synchronization module
The timestamp of 10 audio-video documents play for real-time query main player 21 and secondary player 22, in order in time to described master
Player 21 and secondary player 22 synchronize.In a specific embodiment of the present invention, described synchronization module 10 can also
Enough according to the certain frequency described main player of inquiry 21 and the timestamp of secondary player 22, such as 1 time/second.
Described synchronization module 10 is additionally operable to compare described main timestamp and secondary timestamp.If described main player 21
Be synchronous regime with secondary player 22, described main timestamp and pair timestamp should be identical or gap is less；If described main broadcaster is put
Device 21 and secondary player 22 are asynchronous regime, have bigger gap between the most described main timestamp and secondary timestamp.Permissible
According to the required precision synchronized, preset preset value, as judging whether the standard that synchronizes, when described main timestamp and secondary time
Between stamp between gap less than or equal to described preset value time, it is believed that be synchronous regime；Described main timestamp and secondary time
When gap between stamp is more than described preset value, it is believed that be asynchronous regime.A specific embodiment party as the present invention
Formula, described preset value can be 100ms.
When the gap of described main timestamp and secondary timestamp exceedes preset value, described synchronization module 10 is additionally operable to adjust institute
State the playing progress rate of secondary player 22.Concrete, when described main timestamp lags behind secondary timestamp, described synchronization module 10 is used
Suspend in controlling secondary player 22, until described main timestamp is identical with secondary timestamp, make secondary player 22 recover to play；Work as institute
Stating secondary timestamp when lagging behind main timestamp, described synchronization module 10 is used for controlling secondary player 22 F.F., until described main time
Between stamp and secondary timestamp identical, make pair player 22 recover the broadcasting of normal speed.
Refer to Fig. 2, as a specific embodiment, described synchronization module 10 includes query unit 11 and with described
The control unit 12 that query unit connects, described query unit 11 is for inquiring about the master of the audio-video document that main player 21 is play
The secondary timestamp of the audio-video document that timestamp and secondary player 22 are play, and described main timestamp and secondary timestamp are compared
Relatively；Described control unit 12 is for when the gap of described main timestamp and secondary timestamp exceedes preset value, adjusting described pair and broadcast
Put the playing progress rate of device 22.
Described query unit 11 is connected with main player 21, secondary player 22 respectively；Described control unit 12 is play with secondary
Device 22 connects, for controlling the playing progress rate of described secondary player 22.
As a specific embodiment, described main player 21 and secondary player 22 inside, also there is audio-visual synchronization
Unit, described audio-visual synchronization unit is additionally operable to synchronize the Voice & Video of the audio-video document each play.Specifically
, described audio-visual synchronization unit adjusts the timestamp of video according to the timestamp of audio frequency, thus realizes Voice & Video
Synchronize.
The detailed description of the invention of the present invention also provides for a kind of player synchronous method.
Refer to Fig. 3, for the schematic flow sheet of described player synchronous method.
Step S1: main player and at least one secondary player are provided, are respectively used to play different audio-video documents.
Concrete, the number of described secondary player 22 can set according to the demand of the ability of playback equipment and user
Fixed.The number of described secondary player 22 can be more than one or two.As a detailed description of the invention, described main broadcaster is put
The audio-video document that device 21 and at least one secondary player 22 are play has an identical time reference, usually live video and
Audio frequency, main player 21 and at least one secondary player 22 are respectively used to play the live of same content of different visual angles shooting and regard
Frequency and audio frequency.Now need main player 21 and secondary player 22 to be synchronized, in avoiding playing between different player
The appearance time is upper inconsistent, and the problem such as frame-skipping or card occurs.
Step S2: the main timestamp of the audio-video document that inquiry main player is play and the audio frequency and video literary composition of secondary player plays
The secondary timestamp of part.
The timestamp of the audio-video document that inquiry main player 21 is play, as main timestamp, looks at synchronization simultaneously
Ask the timestamp of the audio-video document that secondary player 22 is play, as secondary timestamp.As a specific embodiment, permissible
The timestamp of the audio-video document that real-time query main player 21 and secondary player 22 are play, in order in time to described main player
21 synchronize with secondary player 22.In a specific embodiment of the present invention, it is also possible to inquire about institute according to certain frequency
State main player 21 and the timestamp of secondary player 22, such as 1 time/second.
Step S3: compare described main timestamp and secondary timestamp, obtains described main timestamp and secondary timestamp
Gap.
If described main player 21 and secondary player 22 are synchronous regime, described main timestamp should be identical with secondary timestamp
Or gap is less；If described main player 21 and secondary player 22 are asynchronous regime, the most described main timestamp and secondary timestamp
Between there is bigger gap.The gap of described main timestamp and secondary timestamp is as judging main player 21 and secondary player 22
The foundation whether synchronized.
Step S4: when the gap of described main timestamp and secondary timestamp exceedes preset value, adjusts described secondary player
Playing progress rate.
According to synchronize required precision, preset preset value, as judge whether synchronize standard, when the described main time
When gap between stamp and secondary timestamp is less than or equal to described preset value, it is believed that be synchronous regime；Described main timestamp
And the gap between secondary timestamp more than described preset value time, it is believed that be asynchronous regime.A tool as the present invention
Body embodiment, described preset value can be 100ms.Preset value is the biggest, and the required precision of synchronization is the lowest.
The method of the playing progress rate adjusting described secondary player 22 includes: when described main timestamp lags behind secondary timestamp
Time, control secondary player 22 and suspend, until described main timestamp is identical with secondary timestamp, make secondary player 22 recover to play；When
When described secondary timestamp lags behind main timestamp, control secondary player 22 F.F., until described main timestamp and secondary timestamp phase
With, make secondary player 22 recover the broadcasting of normal speed.
As a specific embodiment, can include that the sound each play main player 21 and secondary player 22 regards
The Voice & Video of frequency file synchronizes.The concrete timestamp according to audio frequency adjusts the timestamp of video, thus realizes
The synchronization of Voice & Video.
Said method is by inquiring about the timestamp of the video file that main player is each play with secondary player and comparing
Relatively, and the playing progress rate of the player of adjustment pair accordingly, thus realizing the synchronization of player so that user is in Switch Video content
Time, frame-skipping or the problem of card will not occur, improve Consumer's Experience.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a player synchronizes system, it is characterised in that including:
Main player and at least one secondary player, be respectively used to play different audio-video documents；
Synchronization module, for inquiring about main timestamp and the audio frequency and video of secondary player plays of the audio-video document that main player is play
The secondary timestamp of file, and described main timestamp and secondary timestamp are compared, when described main timestamp and secondary timestamp
When gap exceedes preset value, it is additionally operable to adjust the playing progress rate of described secondary player.
Player the most according to claim 1 synchronize system, it is characterised in that described synchronization module include query unit and
Control unit, described query unit is for inquiring about the main timestamp of the audio-video document that main player is play and secondary player plays
The secondary timestamp of audio-video document, and described main timestamp and secondary timestamp are compared；Described control unit is for working as
When the gap of described main timestamp and secondary timestamp exceedes preset value, adjust the playing progress rate of described secondary player.
Player the most according to claim 1 synchronizes system, it is characterised in that described preset value is 100ms.
Player the most according to claim 1 synchronizes system, it is characterised in that inside described main player and secondary player
There is audio-visual synchronization unit, for the Voice & Video of the audio-video document each play is synchronized.
5. synchronize system according to the player according to any one of claim 1-4, it is characterised in that main player and secondary broadcasting
Between the audio-video document that device is play, there is identical time reference.
6. a player synchronous method, it is characterised in that including:
Main player and at least one secondary player are provided, are respectively used to play different audio-video documents；
The main timestamp of the audio-video document that inquiry main player is play and the secondary time of the audio-video document of secondary player plays
Stamp；
Described main timestamp and secondary timestamp are compared, obtains described main timestamp and the gap of secondary timestamp；
When the gap of described main timestamp and secondary timestamp exceedes preset value, adjust the playing progress rate of described secondary player.
Player synchronous method the most according to claim 6, it is characterised in that when described main timestamp falls behind the secondary time
Stamp, and when the gap of main timestamp and secondary timestamp exceedes preset value, make secondary player suspend and play, until main timestamp and pair
Recover when timestamp is identical to play.
Player synchronous method the most according to claim 6, it is characterised in that when described secondary timestamp falls behind the main time
Stamp, and when the gap of main timestamp and secondary timestamp exceedes preset value, make secondary player fast-forward play, until main timestamp and pair
Normal play is recovered when timestamp is identical.
9. according to the player synchronous method according to any one of claim 6-8, it is characterised in that described preset value is
100ms。
10. according to the player synchronous method according to any one of claim 6-8, it is characterised in that also include: main broadcaster is put
The Voice & Video of the audio-video document that device and secondary player are each play synchronizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398679.3A CN106060610A (en) | 2016-06-07 | 2016-06-07 | Player synchronization system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398679.3A CN106060610A (en) | 2016-06-07 | 2016-06-07 | Player synchronization system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106060610A true CN106060610A (en) | 2016-10-26 |
Family
ID=57169745
Family Applications (1)
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|---|---|---|---|
| CN201610398679.3A Pending CN106060610A (en) | 2016-06-07 | 2016-06-07 | Player synchronization system and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948703A (en) * | 2017-11-22 | 2018-04-20 | 青岛海信电器股份有限公司 | Playing progress rate synchronous method and device |
| CN108900911A (en) * | 2018-06-29 | 2018-11-27 | 青岛海信宽带多媒体技术有限公司 | Realize the video broadcasting method, device and display equipment of picture-in-picture function |
| CN108965990A (en) * | 2018-07-20 | 2018-12-07 | 广州酷狗计算机科技有限公司 | Control the mobile method and apparatus of pitch line |
| CN109660851A (en) * | 2018-12-28 | 2019-04-19 | 广州有好戏网络科技有限公司 | Audio video synchronization copic viewing system |
| CN109729404A (en) * | 2019-01-15 | 2019-05-07 | 晶晨半导体(上海)股份有限公司 | A kind of synchronous modulation method and system based on Embedded player |
| CN109828742A (en) * | 2019-02-01 | 2019-05-31 | 珠海全志科技股份有限公司 | Voice-frequency-multichannel synchronism output method, computer installation and computer readable storage medium |
| CN115426514A (en) * | 2022-07-22 | 2022-12-02 | 北京罗克维尔斯科技有限公司 | Cross-device audio and video synchronization method, device, equipment and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107948703A (en) * | 2017-11-22 | 2018-04-20 | 青岛海信电器股份有限公司 | Playing progress rate synchronous method and device |
| CN107948703B (en) * | 2017-11-22 | 2020-02-18 | 青岛海信电器股份有限公司 | Method and device for synchronizing playing progress |
| CN108900911A (en) * | 2018-06-29 | 2018-11-27 | 青岛海信宽带多媒体技术有限公司 | Realize the video broadcasting method, device and display equipment of picture-in-picture function |
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| CN109729404A (en) * | 2019-01-15 | 2019-05-07 | 晶晨半导体(上海)股份有限公司 | A kind of synchronous modulation method and system based on Embedded player |
| CN109729404B (en) * | 2019-01-15 | 2021-06-04 | 晶晨半导体(上海)股份有限公司 | Synchronous modulation method based on embedded player |
| CN109828742A (en) * | 2019-02-01 | 2019-05-31 | 珠海全志科技股份有限公司 | Voice-frequency-multichannel synchronism output method, computer installation and computer readable storage medium |
| CN109828742B (en) * | 2019-02-01 | 2022-02-18 | 珠海全志科技股份有限公司 | Audio multi-channel synchronous output method, computer device and computer readable storage medium |
| CN115426514A (en) * | 2022-07-22 | 2022-12-02 | 北京罗克维尔斯科技有限公司 | Cross-device audio and video synchronization method, device, equipment and medium |
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