CN102739627B - Method and system for switching and playing video - Google Patents
Method and system for switching and playing video Download PDFInfo
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- CN102739627B CN102739627B CN201110097561.4A CN201110097561A CN102739627B CN 102739627 B CN102739627 B CN 102739627B CN 201110097561 A CN201110097561 A CN 201110097561A CN 102739627 B CN102739627 B CN 102739627B
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Abstract
The invention discloses a method and a system for switching and playing a video. The method comprises the following steps: step 1, obtaining switching parameters of a video file which is currently playing via a webpage play control, wherein, the switching parameters comprise an URL of the video file and a current playing position; step 2, transmitting the switching parameters to a progress of a local player; step 3, transforming the current playing position to a byte offset by the progress of the local player, obtaining a video streaming according to the byte offset by a transmission control terminal; step 4, decoding the video streaming by the progress of the local player to play the video file from the playing position. Through the above technical scheme, the method can accurately locate to a time to which the video was played in the former webpage play control after the video is switched to the local player to play from the webpage play control, and go on with playing, thereby saving time of a user and achieving good effect of experience.
Description
Technical field
The present invention relates to a kind of network data processing technique, specifically, relate to and a kind of the video switch play in browser is carried out the video switch player method play and system to local player.
Background technology
At present, displaying video is very popular in a browser, its implementation normally embedded player plug-in in a browser, when user's broadcast interface passed through in browser is selected and is required to play a certain video file, this in a browser embedded player plug-in is activated, and to be decoded and present to user by broadcast interface by this player plug-in to video file.
But, player plug-in embedded in browser is not a Full Featured player after all, when user wishes the video play just in a browser is at present carried out to some adjustment but can not adjust, can only the video play in browser be forwarded to local player plays.
When player plug-in receive forward the video play in browser the instruction of local player plays to time, the video data play is downloaded to this locality by plug-in unit temporarily, open local player again, local player is play after reading corresponding ephemeral data.
Above-mentioned means can realize forwarding the video play in browser to local player plays, and because the function ratio of local player is more complete, then user can regulate the video play according to the demand of oneself and preference.But when switching broadcast by the method, from the beginning local player will play this video, be not continue to play from switching point, this will bring bad experience to user.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of video switch player method and system are provided, when video is switched to local player plays from webpage play control, local player can continue to play at switching instant, thus make switching the operation high efficiency and time conservation play, user's experience is respond well.
For solving the problems of the technologies described above, the invention provides a kind of video switch player method, comprising the following steps:
Step 1, is obtained the handoff parameter of the current video file play of described webpage play control by webpage play control, described handoff parameter comprises URL and the current play position of video file;
Step 2, sends to local player process by described handoff parameter;
Step 3, local player process converts the current play position in described handoff parameter to byte offsets, obtains video flowing by a transmission control end according to this byte offsets from network;
Step 4, local player process is decoded to described video flowing, plays this video file from described play position.
Present invention also offers a kind of video switch Play System, comprise local player, webpage play control and transmission control end, described transmission control end is connected with webpage play control with described local player respectively, for providing video flowing, the application programming interfaces that described webpage play control is provided by call operation system, handoff parameter is provided, the play position playing video file before described local player switches from described webpage play control according to this handoff parameter to described local player.
By above technical scheme, when forwarding local player plays to from webpage play control, can be implemented in switching instant displaying video, the switch speed being switched to local player plays is fast, the moment that in original webpage play control, video is being play very accurately can be navigated to after video forwards local player plays to, and carry out continuation broadcasting, thus save the time of user, reach good experience effect.
Accompanying drawing explanation
Fig. 1 is the principle schematic of video switch Play System provided by the invention;
Fig. 2 is the flow chart of the embodiment of the present invention one.
Embodiment
The invention provides a kind of video switch Play System, comprise local player 2, webpage play control 1 and transmission control end 3, wherein, described local player 2 comprises the second User Interface 21, second video/audio decoder module 22, second data communication interface 23 and the second central management module 24, webpage play control 1 comprises first user interactive interface 11, first video/audio decoder module 12, first data communication interface 13 and the first central management module 14, transmission control end 3 comprises first interface 31, transmission control module 32 and the second interface 33, described second interface 33 is connected to the network, be connected with other nodes (as Media Resource Server) by this network.
Local player 2 and webpage play control 1 are connected with transmission control end 3 respectively, particularly, first data communication interface 13 of webpage play control 1 is connected with the first interface 31 of transmission control end 3, second data communication interface 23 of local player 2 is connected with the first interface 31 of transmission control end 3, make local player 2 and webpage play control 1 all can send to transmission control end 3 request wishing to obtain a certain video data, transmission control end 3 obtains this video data according to this request, and this video data is supplied to the local player 2 or webpage play control 1 that send this request, wherein, the video data that transmission control end 3 obtains is kept at this locality temporarily.
Wherein, be kept at local data temporarily comprise content as shown in table 1.
Table 1
| P1 | P2 | P3 |
| File header | Video data | Index data |
Be kept at local data temporarily and comprise three parts altogether, Part I P1 is file header, and Part II P2 is video data, and Part III P3 is index data.
Wherein, described index data is a reproduction time t and the corresponding table of numerical value x representing byte offsets, as shown in table 2,
Table 2
For table 2, a 1 second corresponding numerical value, 10, a 2 seconds corresponding numerical value, 20, a 3 seconds corresponding numerical value 30 ...And these numerical value x is the side-play amount offset of the video data in Part II, inquired about the document misregistration amount of media play data corresponding to special time by this concordance list, the numerical value x (data offset) in index data and the video data in Part II P2 can be set up unique corresponding relation.Thus corresponding video data can be obtained according to reproduction time.
In video data in Part II P2, byte offsets is corresponding with corresponding video data.When obtaining this byte offsets, downloading from this byte offsets, just can obtain corresponding video data.
The application programming interfaces 4 that webpage play control 1 is provided by call operation system are to player 1 pass-along message.
When the first central management module 14 of webpage play control 1 receives by first user interactive interface 11 instruction turning local player plays, the information such as flag bit, picture the ratio of width to height, sound size, sound channel of the URL of the current video file play, play position, message is obtained from the first video/audio decoder module 12, and be packaged into message parameter, send message to local player 2 by application programming interfaces 4.
Second central management module 24 of local player 2 receives above-mentioned message, extracts and analytic parameter.Then judge that whether the URL of video file is effective, if effectively, the index data in described video file is obtained in the data of then temporarily preserving from this video file, and the index data of this file is analyzed, convert the play position (time) in the described parameter parsed to byte offsets, by the second data communication interface 23 by the URL of this video file, byte offsets and predetermined size of data and transmission request send to transmission control end 3, described transmission control end 3 obtains the video data stream of this video file according to described URL and byte offsets, and give the second video/audio decoder module 22 by this video data stream, decoded by it, decoded video presents to user by the second User Interface 21.Now user in the interface of local player, see continuous print, from switching instant play video.
Then video/audio decoder module 22 judges whether the video data obtained reaches aforementioned predetermined size of data, if reached, byte offsets is obtained according to the index data obtained before and current broadcast position (time), again by the URL of this video file, byte offset and predetermined size of data and transmission request being sent to transmission control end 3 by the second data communication interface 23, namely constantly repeat above-mentioned steps until stop playing.
Wherein, the size of the data can asked when predetermined size of data refers to each request msg, the size of data can be expressed by byte, as 3M or 5M byte, also can be expressed by the length of reproduction time.When being expressed by byte, the data whether obtaining scheduled volume just can be learnt by byte offsets in index data.When the length by reproduction time is expressed, just can determine whether by the reproduction time in index data the data obtaining scheduled volume.
Concrete data volume has much, can be changed, to adapt to the different file playing code check by the size of the numerical value of this parameter of amendment expression.
Now user in the interface of local player, see continuous print, from switching instant play video.
Along with the increase of request number of times, the interim video data preserved will constantly increase, and the related data in table 1, as index data etc. also increases.
When whether the URL of aforementioned this video file of judgement is effective, first judge URL corresponding be network task or local file, if network task then judges whether this URL meets self-defining agreement, if local file then judges whether this locality exists this file, and, if local file, then do not need the participation transmitting control end, video/audio decoder module directly reads this file.
Below by way of specific embodiment, video switch player method provided by the invention is described:
Embodiment one
As shown in Figure 2, be the flow chart of the embodiment of the present invention one.
Step 1, when by webpage select can played file resource link time, webpage process Web page loading play control (realize in the mode of process, be below referred to as webpage play control process, player process), and the first user interactive interface 11 of the control that displays the play;
Step 2, receive and require to be transformed in local player when carrying out the instruction of playing, when namely requiring video switch, webpage play control judges whether local player process is opened, if local player process is not opened, then step 3; If local player process is opened, then step 4;
Step 3, starts local player process.
Step 4, calls application interface 4 is to local player process pass-along message, and message parameter comprises flag bit, video file URL, playing progress rate, picture the ratio of width to height, sound size, track selecting etc.;
Step 5, after local player process obtains this message, judge that whether the URL of video file is effective, if effectively, then step 6, if invalid, does not process;
Step 6, the index data in the second video/audio decoder module 22 pairs of video files in-process by local player is analyzed.
Step 7, according to index data, is converted to byte offsets by the play position (time) in described message parameter.
Step 8, the second central management module 24 in local player process sends transmission request by the second data communication interface 23 to transmission control end 3, also the URL of this video file, byte offsets and predetermined size of data is sent to transmission control end 3 simultaneously.
Step 9, described transmission control end 3 obtains the video data stream of this video file according to described URL and byte offsets from network, and gives local player process by this video data stream; The second video/audio decoder module 22 is given by this video data stream by the second data communication interface 23 in player process;
Step 10, the second video/audio decoder module 22 in local player process is to this decoding data, and decoded video presents to user by the second User Interface 21.
Step 11, the second video/audio decoder module 22 judges whether to reach predetermined time, if NO, illustrates that the data of this time request also do not transfer, then turns to step 9, continue to player 1 pushing video stream by transmission control end 3; If YES, then illustrate that the data that this asks transfer, then step 12;
Step 12, judge whether this video file finishes, if do not had, then step 13: again change new byte offsets according to current broadcast position (time), by the second data communication interface 23, the URL of this video file, byte offset and certain size and transmission request are sent to transmission control end 3 again, then return step 9, namely regain data, terminate until play; If finished, then terminate.
By above-mentioned steps, local player can be implemented in switching instant displaying video.And the conversion speed forwarding local player plays to is fast.Very accurately can navigate to the moment that in original webpage play control, video is being play after video forwards local player plays to, and carry out continuation broadcasting.Thus save the time of user, reach good experience effect.
In above process, when play control is loaded by webpage process, can local player process also be opened, but present to the interface of the just webpage play control of user, user is not presented in the interface of local player simultaneously.
Embodiment two
Be with embodiment one difference, while carrying out video switch, webpage play control opens a local player process, i.e. the first local player process, and the message that will transmit by process initiation Parameter transfer to this first local player process.This first local player process judges whether the local player process that there are other, as the second local player process, if existed, then the message parameter that the transmission of webpage play control comes is passed to already present second local player process originally again, by already present second local player process according to the step 5-13 in embodiment one, realize playing from switching instant, and, this first local player process exits automatically, now, the player process in step 5-13 is the second local player process; If do not have other local player process, then according to the step 5-12 in embodiment one, realize playing from switching instant, now, the player process in step 5-13 is the first local player process.
Adopt the changing method of embodiment two, while achieving and carrying out playing from switching instant, the Resourse Distribute of system can also be made more balanced.
In the above two embodiments, video data obtains by transmitting process (namely transmitting control end), because video is by webpage play control and any one independent play-out of local player, therefore, transmit control end and carry out the transmission of data flow with webpage play control or local player respectively.Concrete transmitting procedure is transmitted as example with what transmit data flow between control end and webpage play control, specific as follows:
Step 1, by webpage select can the resource link of played file time, webpage process Web page loading play control, control display User Interface, simultaneously, resource request representated by this resource link is sent to transmission control end, and this resource request to be sent on the user resources tracking server in P2P network by transmission control end by proprietary protocol;
Step 2, the Resources list that the information that user resources tracking server obtains the resource node with this resource is formed, and this Resources list is sent to the playback terminal sending resource request;
Step 3, the transmission control end of playback terminal is according to this Resources list, and undertaken mutual with Gains resources by P2P mode with the resource node provided in above-mentioned the Resources list, the file that can play, is specially video flowing in the present invention;
Step 4, this pushing video streaming is given described play control by transmission control end.
Another kind of transmitting procedure is as follows:
Step 1 ', by webpage select can played file resource link time, webpage process Web page loading play control, control display User Interface, simultaneously, resource request representated by this resource link is sent to transmission control end, and by http agreement, this resource request is sent on corresponding server;
Step 2 ', corresponding server is redirected back to the transmission control end of playback terminal after carrying out certification, parsing to this resource request;
Step 3 ', by the transmission control end on playback terminal redirected resource request sent to the user resources tracking server in P2P network;
Step 4 ', the Resources list that the information that user resources tracking server obtains the resource node with this resource is formed, and this Resources list is sent to the playback terminal sending resource request;
Step 5 ', the transmission control end of playback terminal, according to this Resources list, is undertaken by P2P mode mutual with Gains resources with the resource node provided in the Resources list, namely looks cadence stream;
Step 6 ', this pushing video streaming is given described webpage play control by transmission control end.
By above-mentioned transmission method, make webpage play control from network, video flowing can be obtained fast, make the video of broadcasting more smooth.
It should be noted last that: above embodiment is only in order to illustrate the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, the amendment carried out the present invention under the premise without departing from the spirit and scope of the present invention or equivalently to replace, all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a video switch player method, is characterized in that, comprises the following steps:
Step 1, is obtained the handoff parameter of the current video file play of described webpage play control by webpage play control, described handoff parameter comprises URL and the current play position of video file;
Step 2, sends to local player process by described handoff parameter;
Step 3, local player process converts the current play position in described parameter to byte offsets, obtains video flowing by transmission control end according to this byte offsets from network;
Wherein, in step 3, described current play position is current play time, and the step that local player process converts described play position to byte offsets is as follows:
Step 31a, local player process, according to the URL of described video file, obtains the index data of described video file, and described index data comprises reproduction time and byte offsets one to one;
Step 32a, according to described current play time and described index data, determines the byte offsets of the described video file corresponding with described current play time;
Obtaining video flowing according to this byte offsets from network and specifically comprise the following steps in step 3:
Step 31b, the URL of described video file, byte offsets and predetermined size of data and transmission request are sent to described transmission control end by local player process;
Step 32b, described transmission control end obtains this video flowing according to the URL of described video file and byte offsets from network;
Step 4, local player process is decoded to described video flowing, plays this video file from described play position;
Wherein, in step 4, when local player process plays described video file from described play position, judge whether the video data obtained reaches predetermined size of data by reproduction time in index data or byte offsets, if reached, then regain new byte offsets according to current broadcast position, from network, obtain video flowing according to the new byte offsets that this obtains again; If do not reached, then continue to obtain video flowing from network;
Step 5, repeats step 4, until this video file finishes.
2. video switch player method according to claim 1, is characterized in that, in step 1, described webpage play control, while beginning playing video file, opens described local player process.
3. video switch player method according to claim 1, it is characterized in that, in step 2, before described handoff parameter is sent to local player process, open the first local player process, the URL of described video file and current play position are sent to described first local player process, then sentence and whether there is the second local player process, if any, then by the first local player process, described parameter is sent described second local player process, then perform step 3, local player process in step 3 and later step thereof is the second local player process, as not having the second local player process, then perform step 3, the local player process in step 3 and later step thereof is the first local player process.
4. video switch player method according to claim 1, is characterized in that, in step 2, the application programming interfaces provided by call operation system, send to local player process in the mode of pass-along message by described handoff parameter.
5. video switch player method according to claim 1, is characterized in that, in step 2, described handoff parameter also comprises the flag bit of message, picture the ratio of width to height, sound size or/and sound channel.
6. the video switch Play System of method described in an application rights requirement 1, comprise local player, webpage play control and transmission control end, described transmission control end is connected with webpage play control with described local player respectively, for providing video flowing, it is characterized in that, the application programming interfaces that described webpage play control is provided by call operation system, handoff parameter is provided, the play position playing video file before described local player switches from described webpage play control according to this handoff parameter to described local player;
Wherein, described local player comprises first user interactive interface, the first video/audio decoder module, the first data communication interface and the first central management module; Described webpage play control comprises the second User Interface, the second video/audio decoder module, the second data communication interface and the second central management module; Described transmission control end comprises first interface, transmission control module and the second interface, and described second interface 33 is connected to the network;
Described local player is connected by the first interface of described first data communication interface with described transmission control end;
Described webpage play control is connected by the first interface of described second data communication interface with described transmission control end;
Described first central management module and described first video/audio decoder module, the application programming interfaces provided by call operation system, send to the second central management module of local player by handoff parameter.
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| CN201110097561.4A CN102739627B (en) | 2011-04-14 | 2011-04-14 | Method and system for switching and playing video |
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| CN201110097561.4A CN102739627B (en) | 2011-04-14 | 2011-04-14 | Method and system for switching and playing video |
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| CN104202675A (en) * | 2014-09-03 | 2014-12-10 | 乐视致新电子科技（天津）有限公司 | Intelligent terminal and quick channel switching method and device thereof |
| CN104363509B (en) * | 2014-10-24 | 2018-11-16 | 深圳国微技术有限公司 | A kind of video conversion method, device, play system and terminal |
| CN104703035A (en) * | 2015-02-12 | 2015-06-10 | 卓易畅想（北京）科技有限公司 | Method and device for playing multimedia online through user device |
| CN104853254A (en) * | 2015-05-26 | 2015-08-19 | 深圳市理奥网络技术有限公司 | Video playing method and mobile terminal |
| CN107087231B (en) * | 2017-03-31 | 2021-03-05 | 北京潘达互娱科技有限公司 | Video data playing method and device |
| CN110545461A (en) * | 2018-05-29 | 2019-12-06 | 北京字节跳动网络技术有限公司 | Resolution switching method and device of media file and storage medium |
| CN111314791B (en) * | 2020-03-19 | 2022-04-05 | 杭州小影创新科技股份有限公司 | Seamless jump method in video playing based on Android |
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| CN113645507B (en) * | 2021-08-09 | 2024-03-15 | 视若飞信息科技(上海)有限公司 | Video comment method and device |
| CN113885946A (en) * | 2021-09-18 | 2022-01-04 | 杭州海康威视数字技术股份有限公司 | Device configuration method and device, electronic device and machine-readable storage medium |
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