CN101247402B - Multimedia files downloading and broadcasting system and method - Google Patents
Multimedia files downloading and broadcasting system and method Download PDFInfo
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- CN101247402B CN101247402B CN2008100855502A CN200810085550A CN101247402B CN 101247402 B CN101247402 B CN 101247402B CN 2008100855502 A CN2008100855502 A CN 2008100855502A CN 200810085550 A CN200810085550 A CN 200810085550A CN 101247402 B CN101247402 B CN 101247402B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
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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
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
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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
- H04N21/45—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
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
The present invention discloses system and method for downloading playing multimedia document. The system includes: downloading module, setting at least two downloading modus module in system, using at least two downloading modus module for paralleling downloading multimedia file; data management module for preserving multimedia file data downloaded by downloading module, providing play data for player, and for starting multimedia file data downloaded by downloading module. Method includes: A. using at least two downloading modus downloads multimedia file data in parallel; B. executing management and preserving in local for the paralleling downloading multimedia file; C. using player playing the downloading multimedia file data. Using the present invention can realize downloading and playing multimedia document at the same time, and improve downloading velocity and success rate.
Description
Technical field
The present invention relates to the data communication network technology, relate in particular in a kind of data communication network the system and method for the downloading and playing of multimedia file.
Background technology
Along with the continuous development of data communication network, many downloading modes for user's download network data resource have appearred in industry successively.For example mainly comprise following several downloading mode at present:
(BT, BitTorrent) downloading mode are a kind of point-to-point (P2P, peer-to-peer) downloading modes based on the BitTorrent agreement to BitComet.
The Ed2k downloading mode is a kind of P2P downloading mode based on the Ed2k agreement.
P2SP downloading mode, P2SP are effectively originally isolated server and its mirror image resources and P2P resource consolidation together.That is to say that on the speed of stability of downloading and download, all (P2S peer-to-Server) has had very large raising to server than traditional P2P or point.
HTML (Hypertext Markup Language) (HTTP, Hyper Text Transferring Protocol) downloading mode, this downloading mode carry out file by http protocol and download.HTTP is a kind of agreement of working out for the content that will be arranged in each local Web server of the whole world sends to qualified majority user not.That is to say, can regard HTTP as and be intended to the agreement of the user of qualified majority " granting " file not.
File transfer protocol (FTP) (FTP, File Transfer Protocol) downloading mode is used for the transmitted in both directions of the control documents on the Internet.Simultaneously, it also is an application program (Application).The user can link to each other a large amount of programs and information on the access server to oneself computer with all servers that move File Transfer Protocol all over the world by it.
For the multi-medium data resource, occurred at present a kind of while downloading the technical scheme of play multimedia files.This scheme is based on the multimedia file of P2P network download and realizes the method for broadcast in real time, its download client comprises a playing module and a P2P data transmission module, download client sends playing module simultaneously to and plays by P2P network download multi-medium data.
But, existing this while downloading the scheme of play multimedia data can only from the P2P network, download, the mode of obtaining is single, it is all lower to download success rate and speed of download.
Summary of the invention
In view of this, technical problem to be solved by this invention is to provide a kind of downloading and broadcasting system of multimedia file, improves speed of download and download success rate when realizing while downloading play multimedia files.
Another technical problem to be solved by this invention is to provide a kind of method for downloading and playing of multimedia file, improves speed of download and download success rate when realizing while downloading play multimedia files.
In order to realize the foregoing invention purpose, main technical schemes of the present invention is:
A kind of downloading and broadcasting system of multimedia file comprises:
Download module wherein is provided with at least two kinds of downloading mode modules, utilizes the parallel burst of at least two kinds of downloading mode modules to download multimedia file;
Data management module is used for the fragment data that parallel burst is downloaded is sorted according to the burst order, and the fragment data after will sort is incorporated in the file of this locality and preserves, for player provides played data;
Playing module is used to start player plays institute multimedia file in download data.
Preferably, described download module specifically comprises: Download History reports unit, statistical server, download request analysis module, at least two kinds of downloading mode modules and sheet control module;
Described every kind of downloading mode module is used to utilize download protocol data download separately;
When described Download History reports the unit to be used in this locality multimedia file of every download, information and this download message of this multimedia file reported statistical server;
Described statistical server is put in order data, collects the download message of at least two kinds of downloading modes of same multimedia file;
Described download request analysis module is used for after receiving new multimedia file download request, download message in this download request is sent to described statistical server, and statistical server is inquired about other download message of same multimedia file and is handed down to described download request analysis module according to this download message;
Described control module is used for determining the download message corresponding download mode of described download request, and the pairing downloading mode of download message that returns of definite statistical server, control corresponding download mode module burst is downloaded described multimedia file data.
Preferably, described playing module specifically comprises:
Start module, be used for the multimedia file data that whether the Monitoring Data administration module downloads to is enough to play, after downloading to the multimedia file data that are enough to play, start player in this locality, generate described multimedia file data in described data management module reference address and be notified to this player;
The real-time play service device is used to receive the downloading and playing request that comprises described reference address of player, obtains corresponding data according to described downloading and playing request from described data management module and returns to player and play.
A kind of method for downloading and playing of multimedia file comprises:
A, the parallel burst of at least two kinds of downloading modes of utilization are downloaded the multimedia file data;
The fragment data that B, the burst that will walk abreast download sorts according to the burst order, and the fragment data after will sort is incorporated in the file of this locality and preserves;
C, utilize player plays institute multimedia file in download data.
Preferably, steps A specifically comprises:
A1, in downloading process in the past, collect the download message of at least two kinds of downloading modes of same multimedia file in advance;
A2, after receiving new multimedia file download request, inquire about other download message of same multimedia file according to the download message in this download request;
A3, adopt the parallel burst of corresponding download mode to download described multimedia file data at every kind of download message.
Preferably, described steps A 1 specifically comprises: in downloading process in the past, multimedia file of every download calculates the cryptographic Hash of this multimedia file, and cryptographic Hash and this download message of this multimedia file reported a statistics server; Statistical server will have at least two download message corresponding record of identical cryptographic Hash; Described steps A 2 specifically comprises: after receiving new multimedia file download request, download message in this download request is sent to described statistical server, and statistical server finds other download message with identical cryptographic Hash and returns Query Result according to this download message.
Preferably, described steps A 3 specifically comprises:
At described multimedia file to be downloaded, be that described every kind of downloading mode is divided the corresponding download burst according to the partition strategy of local appointment, and utilize described download message corresponding download mode to download corresponding fragment data according to described download message.
Preferably, when described downloading mode intrinsic at file in download partition strategy and the partition strategy of this partition strategy and described local appointment not simultaneously, utilizing this downloading mode further to comprise before downloading corresponding fragment data: will describedly specify the burst format conversion of partition strategy division according to this locality is the burst form that meets the intrinsic partition strategy of this downloading mode; And in the subsequent download process, download the fragment data that meets described conversion back burst form according to described download message.
Preferably, described step C further comprises: judge in downloading process whether the multimedia file data that download to are enough to play, if be enough to play then the described multimedia file data of real-time broadcast.
Preferably, the described described multimedia file data of the real-time broadcast of player of utilizing of described step C are specially:
Start a player and a real-time play service device in this locality; Generate the reference address of multimedia file data in local storage and be notified to this player; Described player sends the downloading and playing request that comprises described reference address to described real-time play service device, described real-time play service device obtains corresponding multimedia file data and sends to described player according to described downloading and playing request from local storage, described player receives data and plays.
Among the present invention, can utilize two or more downloading mode, downloading modes such as HTTP, FTP, BT, Ed2k, P2SP for example, the parallel simultaneously multimedia file of downloading, speed and the success rate of downloading multi-medium data have been promoted greatly, and after downloading to the multi-medium data that is enough to play, play in real time,, can realize while downloading improving speed of download and download success rate in the play multimedia files with respect to prior art.
Description of drawings
Fig. 1 is the composition schematic diagram of multimedia file downloading and broadcasting system of the present invention;
Fig. 2 is the composition schematic diagram of download module of the present invention;
Fig. 3 is the composition schematic diagram of playing module of the present invention;
Fig. 4 is the main flow chart of multimedia file method for downloading and playing of the present invention.
Embodiment
Below by specific embodiments and the drawings the present invention is described in further details.
Fig. 1 is the composition schematic diagram of multimedia file downloading and broadcasting system of the present invention.Referring to Fig. 1, described downloading and broadcasting system comprises:
Fig. 2 is the composition schematic diagram of download module of the present invention.Referring to Fig. 2, this download module 101 specifically comprises: Download History reports unit 201, statistical server 202, download request analysis module 203, sheet control module 204 and at least two kinds of downloading mode modules 205.
Described Download History reports unit 201 to be used for analyzing in the past downloading process, for each multimedia file of downloading in this locality, the information of this multimedia file and this download message are reported statistical server 202, and the information of described multimedia file can be the cryptographic Hash that the condition code according to this multimedia file calculates.For same multimedia file, when adopting different downloading modes to download, the download message of its foundation may be different.Described download message generally is a download address, for the fixing downloading mode of download address BT mode or the Ed2k mode on the P2P network for example not, described download message is the download features sign indicating number of multimedia file, and download protocol can be according to this download features sign indicating number file in download on the P2P network.
202 pairs of data of described statistical server are put in order, collect the download message of at least two kinds of downloading modes of same multimedia file, are about to have at least two download message corresponding record of the multimedia file of identical cryptographic Hash.
Described download request analysis module 203 is after receiving new multimedia file download request, download message in this download request is sent to described statistical server 202, statistical server 202 is inquired about other download message of same multimedia file according to this download message, other download message that inquiry just has identical cryptographic Hash, and the download message that finds is handed down to described download request analysis module 203, and further issue sheet control module 204 by download request analysis module 203.
Downloading mode module 205, comprising at least two kinds of concrete downloading mode modules, every kind of downloading mode module utilization download protocol data download separately.For example comprise HTTP downloading mode module, FTP downloading mode module, BT downloading mode module, Ed2k downloading mode module and P2SP downloading mode module in one embodiment.
Described control module 204 is at described multimedia file to be downloaded, partition strategy according to local appointment is that described every kind of downloading mode is divided the corresponding download burst, utilizes determined each downloading mode according to the corresponding fragment data of corresponding download download of information.When the downloading slicing data, can be according to different download policy such as progressive download or out of order downloads.
Fig. 3 is the composition schematic diagram of playing module of the present invention.Referring to Fig. 3, this playing module 103 specifically comprises:
Start module 301, be used for the multimedia file data that whether Monitoring Data administration module 102 downloads to is enough to play, after downloading to the multimedia file data that are enough to play, start a player 303 in this locality, generate the reference address of described multimedia file data in local data administration module 102, normally a unified resource reference address (URL) is notified to this player 303 with this URL, and triggers this player 303 and open described URL.
Real-time play service device 302 is used to receive the downloading and playing request that comprises described URL of player 303, obtains corresponding data according to described downloading and playing request from described data management module 102 and returns to player and play.Described real-time play service device can be a HTTP real-time play service device, perhaps is RSTP real-time play service device.
Fig. 4 is the main flow chart of multimedia file method for downloading and playing of the present invention.Referring to Fig. 4, this flow process mainly comprises:
Described step 401 specifically comprises:
Step 411, in downloading process in the past, collect the download message of at least two kinds of downloading modes of multimedia file in advance.That is: in each downloading process in the past, multimedia file of the every download of download client, this download client is calculated the cryptographic Hash of this multimedia file in download, and the cryptographic Hash of this multimedia file and the download message of this download are reported a statistics server; This statistical server will be put in order data, will have at least two download message corresponding record of identical cryptographic Hash.
Step 412, after download client receives new multimedia file download request, inquire about other download message of same multimedia file according to the download message in this download request.Be specially: download client is after receiving new multimedia file download request, download message in this download request is sent to described statistical server, statistical server finds other download message with identical cryptographic Hash according to this download message, and the download message that finds is returned to download client.
Step 413, determine the described download message corresponding download mode of newly receiving in the download request, and the pairing downloading mode of download message that returns of definite statistical server; Adopt the parallel burst of corresponding download mode to download described multimedia file data at every kind of download message.Herein, at described multimedia file to be downloaded, partition strategy according to local appointment is that determined various downloading mode is divided the corresponding download burst, and utilizes described download message corresponding download mode to download corresponding fragment data according to described download message.
For example, in a kind of specific embodiment, described partition strategy can be to be divided into by certain big young pathbreaker multimedia file to be downloaded to need the data downloaded sheet one by one, and be numbered, for example the file of a 200MB can be divided with the sheet of 256KB, sheet is divided into 800 sheets altogether number since 1, these 800 sheets can be distributed to two or more downloading mode module.Suppose that the download message in the download request herein is the HTTP download address, another download message that finds is the BT condition code, so in downloading process, described 800 sheets are distributed to HTTP downloading mode module and BT downloading mode module is downloaded respectively, each downloading mode module is downloaded the data slice of distributing to it, is integrated by data management module at last.Specifically how dividing downloading slicing can be controlled by the sheet control module, the sheet that each downloading mode module oneself will be downloaded according to the characteristics application of self, thereby the sheet control module is coordinated the sheet application of each downloading mode module and had both been guaranteed that described multimedia file can be by complete download, the data slice that can avoid different downloading mode module downloads to repeat again.For example HTTP downloading mode module can will be downloaded the sheet data that are numbered odd number to the application of sheet control module, whether the decision of sheet control module downloads this data slice by this HTTP downloading mode module, applies for successfully then downloading corresponding data slice by HTTP downloading mode module from described HTTP download address; BT downloading mode module can be downloaded the data slice that is numbered even number to the application of sheet control module, whether the decision of sheet control module downloads this data slice by this BT downloading mode module, applies for successfully then downloading corresponding data slice by this BT downloading mode module according to described BT condition code.
In addition, for some downloading mode, BT downloading mode for example, himself intrinsic partition strategy at file in download.When the partition strategy of the partition strategy of certain downloading mode and described local appointment not simultaneously, if for example the BT downloading mode is that unit divides file with every 128KB, and local partition strategy need be the burst form that meets the intrinsic partition strategy of BT downloading mode with described burst format conversion of specifying partition strategy to divide according to this locality further for being that unit divides file with every 256KB; And in the subsequent download process, meet the described fragment data that transforms back burst form according to the corresponding download download of information.For example the file of a 200MB is divided into 800 with the sheet of 256KB according to local partition strategy, by BT downloading mode download n sheet wherein, suppose that n is the even number smaller or equal to 800, and can be divided into 128KB according to the BT downloading mode is 1600 of unit, so before BT downloads, n need be converted into 2n and 2n+1, that promptly BT downloads according to the BT condition code is 2n sheet and 2n+1.
Can carry out burst according to the download policy of appointment and download in downloading process, described download policy can be progressive download or out of order download.
After fragment data downloads to this locality, owing to be that the parallel burst of each downloading mode is downloaded, therefore in step 402, the data management module fragment data that burst downloads that will walk abreast sorts according to the burst number order, and the fragment data after will sort is incorporated in the file of this locality and preserves.For a multimedia file to be downloaded, can be incorporated in the same local file.
In step 403, can monitor the current multimedia file data that are enough to play that whether download in real time, after downloading to the multimedia file data that are enough to play, play in real time, referring to Fig. 3, playing process specifically comprises in real time:
Step 431, at real-time play service device of subscriber's local computer starting, this real-time play service device can be HTTP real-time play service device or RTSP real-time play service device.Specifically can start which real-time play service device, for example start HTTP real-time play service device, for the multimedia file data of rm and rmvb file type for file types such as wmv and mp3 according to the type decided of the multimedia file data that will play
Step 432, URL that can allow local player open of generation, multimedia file data the reference address in local storage of this URL for playing.
The player of step 433, startup subscriber's local computer sends to this player with described URL.
Step 434, described player are opened described URL, send the downloading and playing request that comprises this URL to the real-time play service device.
Step 435, real-time play service device receive the downloading and playing request of player, to the data management module request for data.
Step 436, data management module find out corresponding data and send to the real-time play service device according to the request of real-time play service device from corresponding URL.
Step 437, real-time play service device will send to player from the data that data management module obtains.
Step 438, described player receive data and play.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (8)
1. the downloading and broadcasting system of a multimedia file is characterized in that, comprising:
Download module wherein is provided with at least two kinds of downloading mode modules, utilizes the parallel burst of at least two kinds of downloading mode modules to download multimedia file;
Data management module is used for the fragment data that parallel burst is downloaded is sorted according to the burst order, and the fragment data after will sort is incorporated in the file of this locality and preserves, for player provides played data;
Playing module is used to start player plays institute multimedia file in download data;
Wherein, described download module comprises: Download History reports unit, statistical server, download request analysis module, at least two kinds of downloading mode modules and sheet control module;
Described every kind of downloading mode module is used to utilize download protocol data download separately;
Described Download History reports the unit, when being used in this locality multimedia file of every download, information and this download message of this multimedia file is reported statistical server;
Described statistical server is put in order data, collects the download message of at least two kinds of downloading modes of same multimedia file;
Described download request analysis module, be used for after receiving new multimedia file download request, download message in this download request is sent to described statistical server, and statistical server is inquired about other download message of same multimedia file and is handed down to described download request analysis module according to this download message;
Described control module, be used for determining the download message corresponding download mode of described download request, and the pairing downloading mode of download message that returns of definite statistical server, control corresponding download mode module burst is downloaded described multimedia file data.
2. system according to claim 1 is characterized in that, described playing module specifically comprises:
Start module, be used for the multimedia file data that whether the Monitoring Data administration module downloads to is enough to play, after downloading to the multimedia file data that are enough to play, start player in this locality, generate described multimedia file data in described data management module reference address and be notified to this player;
The real-time play service device is used to receive the downloading and playing request that comprises described reference address of player, obtains corresponding data according to described downloading and playing request from described data management module and returns to player and play.
3. the method for downloading and playing of a multimedia file is characterized in that, comprising:
A, the parallel burst of at least two kinds of downloading modes of utilization are downloaded the multimedia file data;
The fragment data that B, the burst that will walk abreast download sorts according to the burst order, and the fragment data after will sort is incorporated in the file of this locality and preserves;
C, utilize player plays institute multimedia file in download data;
Wherein, steps A specifically comprises:
A1, in downloading process in the past, collect the download message of at least two kinds of downloading modes of same multimedia file in advance;
A2, after receiving new multimedia file download request, inquire about other download message of same multimedia file according to the download message in this download request;
A3, adopt the parallel burst of corresponding download mode to download described multimedia file data at every kind of download message.
4. method according to claim 3 is characterized in that,
Described steps A 1 specifically comprises: in downloading process in the past, multimedia file of every download calculates the cryptographic Hash of this multimedia file, and cryptographic Hash and this download message of this multimedia file reported a statistics server; Statistical server will have at least two download message corresponding record of identical cryptographic Hash;
Described steps A 2 specifically comprises: after receiving new multimedia file download request, download message in this download request is sent to described statistical server, and statistical server finds other download message with identical cryptographic Hash and returns Query Result according to this download message.
5. method according to claim 3 is characterized in that, described steps A 3 specifically comprises:
At described multimedia file to be downloaded, be that described every kind of downloading mode is divided the corresponding download burst according to the partition strategy of local appointment, and utilize described download message corresponding download mode to download corresponding fragment data according to described download message.
6. method according to claim 5, it is characterized in that, when described downloading mode intrinsic at file in download partition strategy and the partition strategy of this partition strategy and described local appointment not simultaneously, utilizing this downloading mode further to comprise before downloading corresponding fragment data: will describedly specify the burst format conversion of partition strategy division according to this locality is the burst form that meets the intrinsic partition strategy of this downloading mode; And in the subsequent download process, download the fragment data that meets described conversion back burst form according to described download message.
7. method according to claim 3 is characterized in that, described step C further comprises: judge in downloading process whether the multimedia file data that download to are enough to play, if be enough to play then the described multimedia file data of real-time broadcast.
8. method according to claim 7 is characterized in that, the described described multimedia file data of the real-time broadcast of player of utilizing of described step C are specially:
Start a player and a real-time play service device in this locality; Generate the reference address of multimedia file data in local storage and be notified to this player; Described player sends the downloading and playing request that comprises described reference address to described real-time play service device, described real-time play service device obtains corresponding multimedia file data and sends to described player according to described downloading and playing request from local storage, described player receives data and plays.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100855502A CN101247402B (en) | 2008-03-17 | 2008-03-17 | Multimedia files downloading and broadcasting system and method |
| PCT/CN2009/070799 WO2009115026A1 (en) | 2008-03-17 | 2009-03-16 | System, client-side and method for downloading and playing multimedia files |
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| CN2008100855502A CN101247402B (en) | 2008-03-17 | 2008-03-17 | Multimedia files downloading and broadcasting system and method |
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| CN101247402A CN101247402A (en) | 2008-08-20 |
| CN101247402B true CN101247402B (en) | 2011-09-14 |
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| WO (1) | WO2009115026A1 (en) |
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| CN110677489B (en) * | 2019-09-30 | 2022-07-12 | 北京奇艺世纪科技有限公司 | Media resource processing method, device, system and storage medium |
| CN112261118B (en) * | 2020-10-19 | 2022-03-25 | 腾讯科技（深圳）有限公司 | Multimedia data anomaly detection method, terminal and server |
| CN112839095A (en) * | 2021-01-13 | 2021-05-25 | 深圳朝元科技有限公司 | Method for realizing online playing based on RTOS (real time operating system) by using Http (hypertext transport protocol) |
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| CN101247402B (en) * | 2008-03-17 | 2011-09-14 | 腾讯科技（深圳）有限公司 | Multimedia files downloading and broadcasting system and method |
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| CN103414959A (en) * | 2013-07-15 | 2013-11-27 | 北京奇虎科技有限公司 | Method and device for accelerating online video playing |
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