CN103475949A - Online audio-visual media stream play method and system - Google Patents
Online audio-visual media stream play method and system Download PDFInfo
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- CN103475949A CN103475949A CN 201210184175 CN201210184175A CN103475949A CN 103475949 A CN103475949 A CN 103475949A CN 201210184175 CN201210184175 CN 201210184175 CN 201210184175 A CN201210184175 A CN 201210184175A CN 103475949 A CN103475949 A CN 103475949A
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Abstract
The invention provides an online audio-visual media stream play method and a system thereof. According to the method, the website of an online audio-visual media stream is obtained, and the website is linked to download the online audio-visual media stream. During the period of downloading the online audio-visual media stream, the downloaded online audio-visual media stream is partitioned into a plurality of audio-visual files according to preset data size, and then the partitioned audio-visual files are transferred to a display device so as to sequentially display the audio-visual files by the display device.
Description
Technical field
The invention relates to a kind of player method and system of video-audio data, and particularly relevant for a kind of player method and system of playing online audio/video media stream on the display unit of Local Area Network.
Background technology
Follow the maturation of world-wide web and the increase of the network bandwidth, the mode that increasing multimedia video content is used online broadcasting instead offers the user and watches, and replaces the mode of being play again after the local side device that in the past file data was downloaded to.
The broadcasting of online audio/video media stream must utilize browser link to audio/video media stream place network address, call out the application programming interfaces such as DirectX (the Application Program Interface of lower floor by browser, API) assist downloaded audio/video media flow data is decoded to be reduced into audio/video file, thereby can be play by the local side device.Yet this mode once can only be processed the audio/video media flow data on single network address, can't reach the synchronous broadcasting of the audio/video media flow data of different network address.
In addition, no matter most online audio/video media stream is that the mode that shows or show with full screen with form presents, all be limited on the local side device of downloading data and show, if show on other display unit that the user wants this audio/video media is drifted in Local Area Network, instant (Real-time) that existing mode all can't reach online audio/video media stream plays.
Summary of the invention
In view of this, the invention provides a kind of player method and system of online audio/video media stream, can reach the instant broadcasting of a plurality of online audio/video media streams.
The invention provides a kind of player method of online audio/video media stream, be suitable for downloading online audio/video media by control device and flow and be sent on display unit and play.The method is to obtain the network address at online audio/video media stream place, and links this network address to download this online audio/video media stream.During downloading online audio/video media stream, be a plurality of audio/video files according to the preset data amount by downloaded online audio/video media stream, and then the audio/video file of institute's cutting is sent to display unit, by display unit, sequentially to play audio/video file.
In one embodiment of this invention, the above-mentioned step that is a plurality of audio/video files according to the preset data amount by the cutting of downloaded online audio/video media stream also comprises these audio/video files is stored in file system.
In one embodiment of this invention, the step that above-mentioned display unit is sequentially play audio/video file comprises the header file of the audio/video file that reads current broadcasting, to obtain the fileinfo of this audio/video file, and according to this fileinfo, first buffer time before this audio/video file finishes, download from the file system of control device the data that are serially connected in the next audio/video file after this audio/video file, and, after this audio/video file finishes, the next audio/video file of broadcasting continues.
In one embodiment of this invention, the step that above-mentioned display unit is sequentially play audio/video file also comprises whether the download that judges audio/video file completes, and, after the download of audio/video file completes, from the file system of control device, download the data that are serially connected in the next audio/video file after this audio/video file.
In one embodiment of this invention, at the audio/video file of above-mentioned transmission institute cutting to before the step of display unit, described method also comprises that the audio/video file that the online audio/video media of institute's cutting is flowed is converted to the file format that meets host-host protocol, described host-host protocol comprises DLNA (Digital Living Network Alliance, DLNA) or file transfer protocol (FTP) (File Transfer Protocol, FTP).
In one embodiment of this invention, the player method of above-mentioned online audio/video media stream also comprises the network address that obtains each online audio/video media stream place in a plurality of online audio/video medias stream, and links respectively these and be loaded in line audio/video media stream below network address.Wherein, during downloading each online audio/video media stream, be a plurality of audio/video files according to the preset data amount by downloaded online audio/video media stream cutting, and the audio/video file of each online audio/video media stream is sent to display unit.
In one embodiment of this invention, the player method of above-mentioned online audio/video media stream also comprises the playing list that shows the online audio/video media stream of download, and detection is for the selection operation of one of them online audio/video media stream in this playing list, and the play instruction of the selected online audio/video media stream of selection operation is sent to display unit, sequentially play the audio/video file of this online audio/video media stream to control display unit.
In one embodiment of this invention, be sent to display unit at the above-mentioned play instruction by the selected online audio/video media stream of selection operation, sequentially play the step of audio/video file of online audio/video media stream to control display unit after, described method also comprises the handover operation detected for another online audio/video media stream in playing list, and the switching command of selected another the online audio/video media stream of this handover operation is sent to display unit, switch to control display unit the audio/video file of sequentially playing another online audio/video media stream.
The invention provides a kind of Play System of online audio/video media stream, it comprises control device and display unit.Control device comprises download module, segmentation module and output module, wherein download module is the network address that obtains each online audio/video media stream place at least one online audio/video media stream, and links respectively these network address to be downloaded to few one online audio/video media stream; Segmentation module is during download module is downloaded each described online audio/video media stream, according to the preset data amount, by downloaded online audio/video media stream cutting, is a plurality of video/audio archive files; Output module is exported in order to the audio/video file of each the described online audio/video media stream by the cutting of segmentation module institute.Display unit comprises receiver module and playing module, and wherein receiver module is the audio/video file that receives each described online audio/video media stream that output module exports; Playing module receives the audio/video file of one of described online audio/video media stream in order to sequentially to play receiver module.
In one embodiment of this invention, above-mentioned control device also comprises file system, the audio/video file that it flows in order to each the online audio/video media that stores the cutting of segmentation module institute.
In one embodiment of this invention, above-mentioned playing module comprises the header file of the audio/video file that reads current broadcasting, to obtain the fileinfo of this audio/video file, and according to fileinfo, a first buffer time before this audio/video file finishes, download from the file system of control device the data that are serially connected in the next audio/video file after this audio/video file, with after this audio/video file finishes, the next audio/video file of broadcasting continues.
In one embodiment of this invention, above-mentioned receiver module also judges whether the download of audio/video file completes, and after the download of audio/video file completes, and from the file system of control device, downloads the data that are serially connected in the next audio/video file after this audio/video file.
In one embodiment of this invention, above-mentioned control unit also comprises operational module, it downloads the playing list of online audio/video media stream in order to show download module, and detection is for the selection operation of one of them online audio/video media stream in this playing list, and the play instruction of the selected online audio/video media stream of this selection operation is sent to display unit, sequentially play the audio/video file of this online audio/video media stream to control display unit.
In one embodiment of this invention, above-mentioned operational module also detects the switching operation for another online audio/video media stream in this playing list, and a switching instruction that transmits selected this another the online audio/video media stream of this handover operation is to this display unit, to control this display unit, switch to the described audio/video file of sequentially playing this another online audio/video media stream.
In one embodiment of this invention, above-mentioned segmentation module also is converted to by the audio/video file of the online audio/video media stream of institute's cutting the file format that meets a host-host protocol, and described host-host protocol comprises DLNA or file transfer protocol (FTP).
Based on above-mentioned, the player method of online audio/video media stream of the present invention and system are directly to be linked below network address and be loaded in line audio/video media stream by control device, and after downloaded audio/video media stream is carried out to segmentation and conversion, the display unit be sent to again on Local Area Network is play, and display unit is when showing audio/video file, the file system that also according to fileinfo, arrives first control device is downloaded the audio/video file after being serially connected in, and can reach thus the instant broadcasting and gapless broadcasting of online audio/video media stream.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
The accompanying drawing explanation
Fig. 1 is the block diagram of the Play System of the shown online audio/video media stream of one embodiment of the invention;
Fig. 2 is the flow chart of the player method of the shown online audio/video media stream of one embodiment of the invention;
Fig. 3 is the block diagram of the Play System of the shown online audio/video media stream of one embodiment of the invention;
Fig. 4 is the flow chart of the player method of the shown online audio/video media stream of one embodiment of the invention;
Fig. 5 is the flow chart of the player method of the shown online audio/video media stream of one embodiment of the invention;
Fig. 6 is the broadcasting of the shown audio/video media stream of one embodiment of the invention and the flow chart of handover operation.
Description of reference numerals:
10,30: the Play System of online audio/video media stream;
12,32: control device;
122,322: download module;
124,324: segmentation module;
126,328: output module;
14,34: display unit;
142,342: receiver module;
144,344: playing module;
326: file system;
330: operational module;
S202-S208, S402-S406, S502-S508, S602-S606: step.
Embodiment
The invention provides the series winding mechanism of a kind of online audio/video media stream and Local Area Network display unit, utilize control device directly to link the online audio/video media stream of website, download, and according to user's selection or handover operation, downloaded online audio/video media stream is sent on the playing device in Local Area Network and plays in the mode of file fragment, provide thus the user that more elasticity and the degree of freedom are arranged when watching online audio/video media stream.
Fig. 1 is the block diagram of the Play System of the shown online audio/video media stream of one embodiment of the invention.Please refer to Fig. 1, the Play System 10 of the online audio/video media stream of the present embodiment comprises control device 12 and display unit 14, and its function is described below:
It should be noted that, segmentation module 124 for example can be with reference to the speed of transmission data between speed, output module 126 and the receiver module 142 of the online audio/video media stream of download module 122 download, and the factor such as processor speed of display unit 14, cushion space, decide the preset data amount for the online audio/video media stream of cutting after comprehensive consideration, the size of audio/video file of guaranteeing thus institute's cutting is suitable, makes the bad results such as display unit 14 unlikely generation delay when playing audio/video file, pause.
Fig. 2 is the flow chart of the player method of the shown online audio/video media stream of one embodiment of the invention.Referring to Fig. 1 and Fig. 2, the player method of the present embodiment is applicable to the Play System 10 of the online audio/video media stream of Fig. 1, below coordinates the detailed step of each description of reference numerals the present embodiment player method in Fig. 1:
At first, obtained the network address (step S202) at online audio/video media stream place by the download module 122 of control device 12, and link this and be loaded in line audio/video media stream (step S204) below network address.Wherein, described network address is for example by user's input or the network address that is obtained or inputted by other application programs, at this, does not limit.
During download module 122 is downloaded online audio/video media stream, the online audio/video media stream cutting that segmentation module 124 of control device 12 can be downloaded download module 122 according to a preset data amount is a plurality of audio/video files (step S206).Wherein, download module 122 is for example directly to walk around below browser the audio/video media stream be loaded in above-mentioned network address, then the online audio/video media stream that segmentation module 124 utilizes Application Programming Interface (API) (Application Program Interface, API) to process to have downloaded in the mode of background work (background task) again.Wherein, segmentation module 124 is for example that scattered HTML (Hypertext Markup Language) (HTTP) package that utilizes DirectX that download module 122 is downloaded is decoded and is reassembled as audio/video file.
Afterwards, export the audio/video file of 124 cuttings of segmentation module to display unit 14 by the output module 126 of control device 12, and sequentially play these audio/video files (step S208) by display unit 14.Wherein, segmentation module 124 for example can be converted to the audio/video file of the online audio/video media of institute's cutting stream the form that meets the file transfer protocol (FTP) that output module 126 uses, in order to export display unit 14 to by output module 126, this file transfer protocol (FTP) is for example DLNA (Digital Living Network Alliance, DLNA) or file transfer protocol (FTP) (File Transfer Protocol, FTP), at this, do not limit.
In detail, segmentation module 124, for example also can be according to the fileinfo of carrying secretly in this online audio/video media stream in by online audio/video media flow point section, after the audio/video file of institute's cutting is appropriately adjusted, then sends display unit 14 to.In one embodiment, segmentation module 124 for example can carry out decoding by audio/video file, makes its form that meets DLNA, and can be sent to display unit 14 by DLNA by output module 126.In another embodiment, the form that segmentation module 124 is for example is dynamic syndicated imagery specialists group (Motion Joint Photographic Experts Group, MJPEG) by the audio/video file recompile, then be sent to display unit 14 by FTP.
It should be noted that, the present invention is except immediately being sent to online audio/video media stream on other display unit in Local Area Network and playing in the mode of file fragment, also can be by suitable background buffer technology (early back-channel buffering) ahead of time, the broadcasting overcome between file is interrupted, thereby reach gapless, plays.
In detail, Fig. 3 is the block diagram of the Play System of the shown online audio/video media stream of one embodiment of the invention.Please refer to Fig. 3, the Play System 30 of the online audio/video media stream of the present embodiment comprises control device 32 and display unit 34, and its function is described below:
Control device 32 comprises download module 322, segmentation module 324, file system 326, output module 328 and operational module 330; Display unit 34 comprises receiver module 342 and playing module 344.Wherein, the function of download module 322, segmentation module 324, output module 328, receiver module 342 and playing module 344 is same or similar with download module 122, segmentation module 124, output module 126, receiver module 142 and the playing module 144 of previous embodiment, therefore do not repeat them here.
Different from previous embodiment, the segmentation module 324 of the control device 32 of the present embodiment, after the cutting of online audio/video media stream is a plurality of audio/video files, also can be sent to these audio/video files the interior storage of file system 326.Relatively, the playing module 344 of display unit 34 is when playing audio/video file, can read the interior fileinfo of header file of audio/video file, and arrive first in file system 326 and download the next audio/video file that will play by download module 322 according to this fileinfo, the gapless that reaches thus image file is play.
In detail, Fig. 4 is the flow chart of the player method of the shown online audio/video media stream of one embodiment of the invention.Referring to Fig. 3 and Fig. 4, the player method of the present embodiment is applicable to the Play System 30 of the online audio/video media stream of Fig. 3, below coordinates the detailed step of each description of reference numerals the present embodiment player method in Fig. 3:
At first, the playing module 344 of display unit 34 can read the header file of the audio/video file of current broadcasting, with the fileinfo (step S402) of obtaining this audio/video file.Described header file is for example the front that is positioned at audio/video file, and in order to record the relevant information of audio/video file, this information is for example title, form, size or the length of audio/video file, at this, does not limit.
Then, playing module 344 can be according to the fileinfo read, in first one period buffer time before current audio/video file finishes, control the data (step S404) of the next audio/video file of download module 322 after the file system 326 of control device 32 is downloaded the audio/video file that is serially connected in current broadcasting, and, after current audio/video file finishes, continue and play next audio/video file (step S406).Wherein, playing module 344 is for example by the mode that background cushions ahead of time, and the black picture buffering time between each file fragment is eliminated, and to reach gapless, plays.
It should be noted that, in order to take full advantage of transmission bandwidth, the receiver module 342 of display unit 34 is during playing audio/video file, whether the download that for example also can judge this audio/video file completes, and after the download of this audio/video file completes, even if also do not arrive the buffer time that next audio/video file is downloaded in advance, as long as cushion space is enough, receiver module 342 still can be first downloads from the file system 326 of control device 32 data that are serially connected in the next audio/video file after audio/video file.
Except above-mentioned gapless is play, the present invention also can support the synchronous transmission of a plurality of online audio/video media streams, and the user is provided the display unit at local side remote control far-end, with switching between the stream of the audio/video media different, reaches the channel selection effect.With next, for an embodiment, describe in detail again.
In detail, Fig. 5 is the flow chart of the player method of the shown online audio/video media stream of one embodiment of the invention.Referring to Fig. 3 and Fig. 5, the player method of the present embodiment is applicable to the Play System 30 of the online audio/video media stream of Fig. 3, below coordinates the detailed step of each description of reference numerals the present embodiment player method in Fig. 3:
At first, the download module 322 of control device 32 can be obtained the network address (step S502) at each online audio/video media stream place in a plurality of online audio/video medias stream, and links respectively these and be loaded in line audio/video media stream (step S504) below network address.
During download module 322 is downloaded online audio/video media stream, each online audio/video media stream cutting that the segmentation module 324 of control device 32 for example can be downloaded download module 322 according to the preset data amount is a plurality of audio/video files (step S506).Wherein, segmentation module 324, after the cutting of online audio/video media stream is audio/video file by each, for example also can be sent to these audio/video files in file system 326 and stores, for display unit 34 accesses.
Afterwards, the output module 328 of control device 32 can export the audio/video file of each online audio/video media stream of 324 cuttings of segmentation module to display unit 34, and sequentially plays these audio/video files (step S508) by display unit 34.Wherein, the receiver module 342 of display unit 34 is after the audio/video file that receives each online audio/video media stream that output module 328 exports, selection instruction or switching command that playing module 344 for example also can send according to control device 32, thereby in downloaded a plurality of online audio/video media stream, select the audio/video file of corresponding online audio/video media stream sequentially to play, thereby reach broadcasting and the switching of different audio/video media streams.
For instance, Fig. 6 is the broadcasting of the shown audio/video media stream of one embodiment of the invention and the flow chart of changing method.Referring to Fig. 3 and Fig. 6, the player method of the present embodiment is applicable to the Play System 30 of the online audio/video media stream of Fig. 3, below coordinates each description of reference numerals the present embodiment in Fig. 3 to play and the detailed step of changing method:
At first, the playing list (step S602) that is shown a plurality of online audio/video media stream that download module 322 is downloaded by the operational module 330 of control device 32.Wherein, operational module 330 for example can be obtained the inventory that the current online audio/video media of having downloaded or having downloaded flows from download module 322 or file system 326, and be presented on screen, select for the user of control device 32 the audio/video media stream wanting to watch.
And play in the process of online audio/video media stream in display unit 34, the operational module 330 of control device 32 also can detect the handover operation of user for another online audio/video media stream in playing list, be sent to display unit 34 thereby selected another the online audio/video media of this handover operation is flowed to corresponding switching command, to control display unit 34, switch to the audio/video file (step S606) of sequentially playing another online audio/video media stream.
Pass through said method, can reach the synchronous transmission of a plurality of online audio/video media streams, and can provide the user at local side (being control device 32) remote control reception end (being display unit 34), the audio/video media of being wanted to watch with broadcasting or switching flows, thereby reach the effect of free channel selection.
In sum, the player method of online audio/video media stream of the present invention and system can be transplanted to the online audio/video media stream that originally can only watch on computers on other display unit in Local Area Network and play, even can once input the data of a plurality of online audio/video media streams, and provide the user according to the personal like, freely switch between these online audio/video media streams, thereby promote the degree of freedom and the elasticity that the user watches online audio/video media stream.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to aforementioned each embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing aforementioned each embodiment is modified, or some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the player method of an online audio/video media stream, is characterized in that, is suitable for being flowed and being sent on a display unit by control device download one an online audio/video media playing, and the method comprises the following steps:
Obtain a network address at this online audio/video media stream place;
Link this network address to download this online audio/video media stream;
During downloading this online audio/video media stream, the online audio/video media stream of this that download according to a preset data amount cutting is a plurality of audio/video files; And
Transmit the audio/video file of institute's cutting to this display unit, by this display unit, sequentially to play described audio/video file.
2. the player method of online audio/video media stream according to claim 1, is characterized in that, the online audio/video media stream of this that download according to this preset data amount cutting also comprises for the step of described audio/video file:
Store described audio/video file in a file system.
3. the player method of online audio/video media stream according to claim 2, is characterized in that, the step that this display unit is sequentially play described audio/video file comprises:
Read a header file of this audio/video file of current broadcasting, to obtain a fileinfo of this audio/video file;
According to this document information, first buffer time before this audio/video file finishes, the data of next audio/video file after this document system downloads of this control device is serially connected in this audio/video file; And
After this audio/video file finishes, continue and play this next audio/video file.
4. the player method of online audio/video media stream according to claim 2, is characterized in that, the step that this display unit is sequentially play described audio/video file also comprises:
Whether the download that judges this audio/video file completes; And
After the download of this audio/video file completes, the data of next audio/video file after this document system downloads of this control device is serially connected in this audio/video file.
5. the player method of online audio/video media stream according to claim 1, is characterized in that, at the described audio/video file that transmits institute's cutting, to before the step of this display unit, also comprises:
The described audio/video file of this online audio/video media stream of conversion institute cutting is a file format that meets a host-host protocol, and this host-host protocol comprises DLNA or file transfer protocol (FTP).
6. the player method of online audio/video media stream according to claim 1, is characterized in that, also comprises:
Obtain a network address at each online audio/video media stream place in a plurality of online audio/video media stream;
Link respectively described network address to download described online audio/video media stream;
During downloading each described online audio/video media stream, the online audio/video media stream of this that download according to this preset data amount cutting is described audio/video file; And
Transmit the described audio/video file of each described online audio/video media stream to this display unit.
7. the player method of online audio/video media stream according to claim 6, is characterized in that, also comprises:
A playing list that shows the described online audio/video media stream of download;
Detection is for a selection operation of one of online audio/video media stream described in this playing list; And
Transmit a play instruction of selected this online audio/video media stream of this selection operation to this display unit, sequentially play the described audio/video file of this online audio/video media stream to control this display unit.
8. the player method that online audio/video media according to claim 7 flows, it is characterized in that, this play instruction flowed at selected this online audio/video media of this selection operation of transmission is to this display unit, sequentially play the step of described audio/video file of this online audio/video media stream to control this display unit after, also comprise:
Detection is for a switching operation of another online audio/video media stream in this playing list; And
Transmit a switching instruction of selected this another the online audio/video media stream of this handover operation to this display unit, to control this display unit, switch to the described audio/video file of sequentially playing this another online audio/video media stream.
9. the Play System of an online audio/video media stream, is characterized in that, comprising:
One control device comprises:
One downloads module, obtains a network address at each online audio/video media stream place at least one online audio/video media stream, and links respectively described network address to download described online audio/video media stream;
One segmentation module, during this download module is downloaded each described online audio/video media stream, the online audio/video media stream of this that download according to a preset data amount cutting is a plurality of audio/video files; And
One output module, export the described audio/video file of the described online audio/video media stream of each of this segmentation module institute cutting; And
One display unit comprises:
One receiver module, receive the described audio/video file of each described online audio/video media stream that this output module exports; And
One playing module, sequentially play the described audio/video file that this receiver module receives one of described online audio/video media stream.
10. the Play System of online audio/video media stream according to claim 9, is characterized in that, this control device also comprises:
One file system, store the described audio/video file of the described online audio/video media stream of each of this segmentation module institute cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210184175 CN103475949A (en) | 2012-06-06 | 2012-06-06 | Online audio-visual media stream play method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210184175 CN103475949A (en) | 2012-06-06 | 2012-06-06 | Online audio-visual media stream play method and system |
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| Publication Number | Publication Date |
|---|---|
| CN103475949A true CN103475949A (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210184175 Withdrawn CN103475949A (en) | 2012-06-06 | 2012-06-06 | Online audio-visual media stream play method and system |
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| CN (1) | CN103475949A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127888A1 (en) * | 2015-02-12 | 2016-08-18 | 卓易畅想（北京）科技有限公司 | Method and device for downloading multimedia file |
| CN111277918A (en) * | 2019-10-31 | 2020-06-12 | 北京思特奇信息技术股份有限公司 | Method and server for realizing home theater based on 5G slicing technology |
-
2012
- 2012-06-06 CN CN 201210184175 patent/CN103475949A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127888A1 (en) * | 2015-02-12 | 2016-08-18 | 卓易畅想（北京）科技有限公司 | Method and device for downloading multimedia file |
| CN111277918A (en) * | 2019-10-31 | 2020-06-12 | 北京思特奇信息技术股份有限公司 | Method and server for realizing home theater based on 5G slicing technology |
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Application publication date: 20131225 |