CN104661051A - Streaming media pushing method and system - Google Patents
Streaming media pushing method and system Download PDFInfo
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- CN104661051A CN104661051A CN201510101234.XA CN201510101234A CN104661051A CN 104661051 A CN104661051 A CN 104661051A CN 201510101234 A CN201510101234 A CN 201510101234A CN 104661051 A CN104661051 A CN 104661051A
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- client
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- video
- initial data
- streaming media
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
-
- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
Abstract
The invention relates to a streaming media pushing method and system. According to the method, audio/video equipment acquires and packages audio/video raw data of a program, adds an ES (elementary stream) header for description, and sends the packaged raw data to a client. The audio/video equipment directly sends the packaged audio/video raw data to the client instead of sending a TS (transport stream) packet to the client, so that the data sending quantity is reduced greatly, the network bandwidth is reduced, meanwhile, the complicated operation is not required for the client, accordingly, the delay problem and the stuck problem in a pushing process are solved, watching of a user is guaranteed, and great convenience is brought to the user.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of Streaming Media method for pushing and system.
Background technology
Along with the development of video gateway, increasing audio & video equipment, as Set Top Box, support the program in CHINA RFTCOM Co Ltd to be pushed to third party's client (such as mobile phone, PAD etc.) by stream media protocol with the form of Streaming Media, resource that is real-time, abundant, high definition is provided.Because third party's client does not generally satisfy the requirements reception (Conditional Access), all programs for needing certification, audio & video equipment can, by corresponding program decryption, then be deployed in network by streaming media server, is divided send out by certain agreement.
But, because the program data in CHINA RFTCOM Co Ltd adopts TS (Transport Stream, transport stream) mode transmits, and this TS mode is not adapted at transmitting in Streaming Media, in the mininet systems such as special home videos gateway, this can considerably increase the demultiplexing time of the network bandwidth and player, because TS bag client must be collected some TS and be wrapped, then PES is resolved to, again PES is resolved to ES data, just can watch, this will cause Streaming Media to push problem such as generation time delay and Ka Dun etc., affect user's viewing, great inconvenience is brought to user.
Meanwhile, for improving real-time, the preferred RTSP agreement of streaming media server, but RTSP cannot solve copyrights of data problem, and data recording can very simply just get off by user, effectively can not protect, poor stability to data.
Summary of the invention
In view of this, be necessary to push for above-mentioned Streaming Media the problem that time delay and Ka Dun occur, a kind of Streaming Media method for pushing and system are provided.
The invention provides a kind of Streaming Media method for pushing, comprise the steps:
S10: after receiving the playing request of client, controls the audio frequency and video initial data that audio & video equipment obtains program;
S20: encapsulate the audio frequency and video initial data of program, increases the ES packet header be described audio frequency and video initial data, is then sent to client after packing.
Preferably, after receiving the playing request of client, audio & video equipment locks corresponding frequency, arranges and firmly separates filtering option, filters out the audio frequency and video initial data of corresponding program.
Preferably, ES head is encrypted, after client receives audio frequency and video initial data, ES head is decrypted and just plays afterwards.
Preferably, front 10 bytes of ES head are encrypted.
Preferably, the ES head of encryption is committed to audio & video equipment and is decrypted by client, sends to client after audio & video equipment is decrypted;
Or client sends request the request of key to audio & video equipment, and key is sent to client by audio & video equipment, client receives double secret key ES packet header and is decrypted rear broadcasting.
The present invention also provides a kind of Streaming Media supplying system, comprising:
Initial data acquiring unit, after receiving the playing request of client, controls the audio frequency and video initial data that audio & video equipment obtains program;
Initial data encapsulation unit, encapsulates the audio frequency and video initial data of program, increases the ES packet header be described audio frequency and video initial data, is then sent to client after packing.
Preferably, after receiving the playing request of client, described initial data acquiring unit controls audio & video equipment and locks corresponding frequency, arranges and firmly separates filtering option, filter out the audio frequency and video initial data of corresponding program.
Preferably, described initial data encapsulation unit is encrypted ES head, after client receives audio frequency and video initial data, is decrypted just plays afterwards ES head.
Preferably, described initial data encapsulation unit is encrypted front 10 bytes of ES head.
Preferably, the ES head of encryption is committed to audio & video equipment and is decrypted by client, sends to client after audio & video equipment is decrypted;
Or client sends request the request of key to audio & video equipment, and key is sent to client by audio & video equipment, client receives double secret key ES packet header and is decrypted rear broadcasting.
Streaming Media method for pushing of the present invention and system, audio & video equipment obtain program audio frequency and video initial data and carry out encapsulation increase ES packet header be described, then the initial data after encapsulation is sent to client, such audio & video equipment directly sends the audio frequency and video initial data after encapsulation to client, instead of transmission TS wraps to client, greatly reduce the traffic volume of data, reduce the network bandwidth, client does not need complex operations simultaneously, thus avoid the problem that time delay and Ka Dun occur in propelling movement process, ensure that user watches, bring great advantage to the user.
Accompanying drawing explanation
Fig. 1 is the flow chart of the Streaming Media method for pushing in an embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the flow chart of the Streaming Media method for pushing in an embodiment, and as shown in Figure 1, the method comprises the steps:
S10: after receiving the playing request of client, controls the audio frequency and video initial data (ES) that audio & video equipment obtains program.
S20: encapsulate the audio frequency and video initial data of program, increases the ES packet header be described audio frequency and video initial data, is then sent to client after packing.
Program data in CHINA RFTCOM Co Ltd adopts TS mode to transmit, according to mpeg standard, TS bag is packaged into PES (Packetized ElementaryStream) by the audio frequency and video initial data of program (ES, Elementary Stream), then formed by PES encapsulation.Client must be collected some TS and be wrapped, then resolve to PES, then PES is resolved to ES and just can play, greatly can increase the workload of audio & video equipment and client like this, take excess resource, the demultiplexing time simultaneously increasing the network bandwidth and player causes the problem such as time delay and Ka Dun.Therefore in this embodiment, after client-requested, got the audio frequency and video initial data of program by audio & video equipment, the initial data of audio frequency and video is encapsulated, directly client is sent to after increasing ES packet header, instead of transmission TS wraps to client, can reduce the traffic volume of data like this, reduces the network bandwidth, simultaneously client does not need to collect some TS and wraps, resolve to PES, then PES is resolved to the complex operations such as ES, thus avoid the problem that time delay and Ka Dun occur in propelling movement process.
In further execution mode, step S10 is specially: after receiving the playing request of client, and audio & video equipment locks corresponding frequency, arranges and firmly separates filtering option, filters out the audio frequency and video initial data of corresponding program.After acquisition initial data ES, ES data are accurately located in order to make client, need to encapsulate ES data, increase the ES head that ES data are described, the information such as size, data content of complete description ES data, by encapsulation, just can realize the distribution of program audio video original data, solving the transmission because distributing the redundant data that transport stream is brought, reaching the object making full use of network, cpu resource, also make client can accurately locate ES data and carry out synchronously.Further, adopt HTTP mode to transmit audio frequency and video initial data, can avoid due to reasons such as network jitters like this, make transfer of data occur out of order problem to client.
Remain because audio frequency and video initial data is easily copied by user, for ensureing the fail safe of data, further, step S20 also comprises: be encrypted ES head, after client receives audio frequency and video initial data, ES head is decrypted and just plays afterwards.Preferably, be encrypted front 10 bytes of ES head, take minimum size of data and carry out Partial encryption, fail safe is better.
Further, client is specially the method that ES head is decrypted: the ES head of encryption is committed to audio & video equipment and is decrypted by client, sends to client after audio & video equipment is decrypted.Or client sends request the request of key to audio & video equipment, and key is sent to client by audio & video equipment, client receives double secret key ES packet header and is decrypted rear broadcasting.Like this, by the encryption to ES packet header, prevent data to be replicated, realize the fail safe to ES data.
This Streaming Media method for pushing, audio & video equipment obtain program audio frequency and video initial data and carry out encapsulation increase ES packet header be described, then the initial data after encapsulation is sent to client, such audio & video equipment directly sends the audio frequency and video initial data after encapsulation to client, instead of transmission TS wraps to client, greatly reduce the traffic volume of data, reduce the network bandwidth, client does not need complex operations simultaneously, thus avoid the problem that time delay and Ka Dun occur in propelling movement process, ensure that user watches, bring great advantage to the user.In addition, data can also be prevented to be replicated, greatly to ensure that the fail safe of data.
The present invention simultaneously also provides a kind of Streaming Media supplying system, and this system comprises:
Initial data acquiring unit, after receiving the playing request of client, controls the audio frequency and video initial data (ES) that audio & video equipment obtains program.
Initial data encapsulation unit, encapsulates the audio frequency and video initial data of program, increases the ES packet header be described audio frequency and video initial data, is then sent to client after packing.
Program data in CHINA RFTCOM Co Ltd adopts TS mode to transmit, according to mpeg standard, TS bag is packaged into PES (Packetized ElementaryStream) by the audio frequency and video initial data of program (ES, Elementary Stream), then formed by PES encapsulation.Client must be collected some TS and be wrapped, then resolve to PES, then PES is resolved to ES and just can play, greatly can increase the workload of audio & video equipment and client like this, take excess resource, the demultiplexing time simultaneously increasing the network bandwidth and player causes the problem such as time delay and Ka Dun.Therefore in this embodiment, after client-requested, initial data acquiring unit controls the audio frequency and video initial data being got program by audio & video equipment, the initial data of audio frequency and video encapsulates by initial data encapsulation unit, directly client is sent to after increasing ES packet header, instead of transmission TS wraps to client, the traffic volume of data can be reduced like this, reduce the network bandwidth, simultaneously client does not need to collect some TS and wraps, resolve to PES, then PES is resolved to the complex operations such as ES, thus avoid the problem that time delay and Ka Dun occur in propelling movement process.
In further execution mode, after initial data acquiring unit receives the playing request of client, audio & video equipment locks corresponding frequency, arranges and firmly separates filtering option, filters out the audio frequency and video initial data of corresponding program.After acquisition initial data ES, ES data are accurately located in order to make client, initial data encapsulation unit needs to encapsulate ES data, increase the ES head that ES data are described, the information such as size, data content of complete description ES data, by encapsulation, just can realize the distribution of program audio video original data, solve the transmission because distributing the redundant data that transport stream is brought, reach the object making full use of network, cpu resource, also make client can accurately locate ES data and carry out synchronously.Further, initial data encapsulation unit adopts HTTP mode to transmit audio frequency and video initial data, can avoid due to reasons such as network jitters like this, make transfer of data occur out of order problem to client.
Remain because audio frequency and video initial data is easily copied by user, for ensureing the fail safe of data, further, initial data encapsulation unit is encrypted ES head, after client receives audio frequency and video initial data, ES head is decrypted and just plays afterwards.Further, client is decrypted ES head and is specially: the ES head of encryption is committed to audio & video equipment and is decrypted by client, sends to client after audio & video equipment is decrypted.Or client sends request the request of key to audio & video equipment, and key is sent to client by audio & video equipment, client receives double secret key ES packet header and is decrypted rear broadcasting.Like this, by the encryption to ES packet header, prevent data to be replicated, realize the fail safe to ES data.
This Streaming Media supplying system, audio & video equipment obtain program audio frequency and video initial data and carry out encapsulation increase ES packet header be described, then the initial data after encapsulation is sent to client, such audio & video equipment directly sends the audio frequency and video initial data after encapsulation to client, instead of transmission TS wraps to client, greatly reduce the traffic volume of data, reduce the network bandwidth, client does not need complex operations simultaneously, thus avoid the problem that time delay and Ka Dun occur in propelling movement process, ensure that user watches, bring great advantage to the user.In addition, data can also be prevented to be replicated, greatly to ensure that the fail safe of data.
Streaming Media method for pushing of the present invention and system, audio & video equipment obtain program audio frequency and video initial data and carry out encapsulation increase ES packet header be described, then the initial data after encapsulation is sent to client, such audio & video equipment directly sends the audio frequency and video initial data after encapsulation to client, instead of transmission TS wraps to client, greatly reduce the traffic volume of data, reduce the network bandwidth, client does not need complex operations simultaneously, thus avoid the problem that time delay and Ka Dun occur in propelling movement process, ensure that user watches, bring great advantage to the user.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Streaming Media method for pushing, is characterized in that, comprises the steps:
S10: after receiving the playing request of client, controls the audio frequency and video initial data that audio & video equipment obtains program;
S20: encapsulate the audio frequency and video initial data of program, increases the ES packet header be described audio frequency and video initial data, is then sent to client after packing.
2. Streaming Media method for pushing according to claim 1, it is characterized in that, described step S10 is specially: after receiving the playing request of client, and audio & video equipment locks corresponding frequency, arrange and firmly separate filtering option, filter out the audio frequency and video initial data of corresponding program.
3. Streaming Media method for pushing according to claim 1, is characterized in that, described step S20 is specially: be encrypted ES head, after client receives audio frequency and video initial data, is decrypted just plays afterwards ES head.
4. Streaming Media method for pushing according to claim 3, is characterized in that, described step S20 is specially: be encrypted front 10 bytes of ES head.
5. Streaming Media method for pushing according to claim 3, is characterized in that, described step S20 is specially: the ES head of encryption is committed to audio & video equipment and is decrypted by client, sends to client after audio & video equipment is decrypted;
Or client sends request the request of key to audio & video equipment, and key is sent to client by audio & video equipment, client receives double secret key ES packet header and is decrypted rear broadcasting.
6. a Streaming Media supplying system, is characterized in that, comprising:
Initial data acquiring unit, after receiving the playing request of client, controls the audio frequency and video initial data that audio & video equipment obtains program;
Initial data encapsulation unit, encapsulates the audio frequency and video initial data of program, increases the ES packet header be described audio frequency and video initial data, is then sent to client after packing.
7. Streaming Media supplying system according to claim 6, it is characterized in that, after receiving the playing request of client, described initial data acquiring unit controls audio & video equipment and locks corresponding frequency, arrange and firmly separate filtering option, filter out the audio frequency and video initial data of corresponding program.
8. Streaming Media supplying system according to claim 7, is characterized in that, described initial data encapsulation unit is encrypted ES head, after client receives audio frequency and video initial data, is decrypted just plays afterwards ES head.
9. Streaming Media supplying system according to claim 8, is characterized in that, described initial data encapsulation unit is encrypted front 10 bytes of ES head.
10. Streaming Media supplying system according to claim 8, is characterized in that, the ES head of encryption is committed to audio & video equipment and is decrypted by client, sends to client after audio & video equipment is decrypted;
Or client sends request the request of key to audio & video equipment, and key is sent to client by audio & video equipment, client receives double secret key ES packet header and is decrypted rear broadcasting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101234.XA CN104661051A (en) | 2015-03-09 | 2015-03-09 | Streaming media pushing method and system |
| PCT/CN2016/074714 WO2016141811A1 (en) | 2015-03-09 | 2016-02-26 | Streaming media pushing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101234.XA CN104661051A (en) | 2015-03-09 | 2015-03-09 | Streaming media pushing method and system |
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| CN104661051A true CN104661051A (en) | 2015-05-27 |
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| CN201510101234.XA Pending CN104661051A (en) | 2015-03-09 | 2015-03-09 | Streaming media pushing method and system |
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| CN (1) | CN104661051A (en) |
| WO (1) | WO2016141811A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016141811A1 (en) * | 2015-03-09 | 2016-09-15 | 深圳市九洲电器有限公司 | Streaming media pushing method and system |
| CN106341701A (en) * | 2016-08-30 | 2017-01-18 | 福建星网视易信息系统有限公司 | Method and system supporting playing of multiple program sources dynamically |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113763137B (en) * | 2021-11-10 | 2022-10-14 | 山东派盟网络科技有限公司 | Information pushing method and computer equipment |
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Also Published As
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| WO2016141811A1 (en) | 2016-09-15 |
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Application publication date: 20150527 |