CN101938324B - Network media stream playing method and device - Google Patents
Network media stream playing method and device Download PDFInfo
- Publication number
- CN101938324B CN101938324B CN 200910150674 CN200910150674A CN101938324B CN 101938324 B CN101938324 B CN 101938324B CN 200910150674 CN200910150674 CN 200910150674 CN 200910150674 A CN200910150674 A CN 200910150674A CN 101938324 B CN101938324 B CN 101938324B
- Authority
- CN
- China
- Prior art keywords
- error correction
- forward error
- network media
- port
- media stream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention provides network media stream playing method and device. The method comprises the following steps of: receiving a network media stream sent by a media data source from a first port; receiving the forward error correction redundant information of the network media stream sent by the media data source from a second port; and playing the network media stream according to the forward error correction redundant information. The network media stream playing method and device of the embodiment receive the forward error correction redundant information by adopting another port different from the media data ports, a terminal not integrated with the forward error correction function can be compatible naturally, and the maximum terminal compatibility is realized.
Description
Technical field
The present invention relates to the communications field, relate to particularly a kind of network media and spread and put method and apparatus.
Background technology
IPTV (Internet Protocol Television, IPTV) is a kind of broadband IP network that utilizes, and the technology of the multiple interactive services that comprises Digital Television is provided to the domestic consumer.The user enjoys the IPTV service by STB (Set Top Box, network machine top box) and general television set at home.
CDN (Content Distribution Network, content distributing network) and interconnected by traditional IP between the terminal, normal operation comes transfers media content without connecting UDP (User Datagram Protocol, User Datagram Protoco (UDP)) message.The UDP message random loss can occur through behind a plurality of bearer network equipment, may cause picture breakage or sound to pause for streaming medium content.In order to address this problem, can use TCP (Transmission Control Protocol, transmission control protocol) to come transfers media content, but packet-by-packet affirmation mechanism is larger to the expense of server and network, is not suitable for large-scale application.
Fig. 1 is the Organization Chart based on the network media flow transmission system of forward error correction technique of prior art.As shown in Figure 1, FEC (Forward Error Correction, forward error correction) principle of technology is that network media streaming server carries out forward error correction coding to original media content, sends together after original media content is added a certain amount of forward error correction redundant information; Client is carried out inverted-F EC decoding FEC, the message of losing is recovered, to reach the purpose that improves video quality.
The algorithm of FEC forward error correction coding and decoding has a variety of, such as " Raptor ", " ReedSolomon " etc., and it is all different that its complexity and entangling is deleted performance.In the art, entangle to delete to mean and recover the message fragment that network media stream is lost in network transmission process, this entangles, and the function of deleting finished by the fec decoder module.The fec decoder module generally is integrated in the STB, and certain customization work is arranged.In the middle of practical application, the manufacturer of set-top box is varied, and the software and hardware version is also different, and a part of set-top box is owing to the reasons such as producer's development progress or hardware performance restriction are not finished the integrated of fec decoder algorithm.Therefore, how to provide the stream service of equivalence just to become a very real problem to these set-top box.
In view of this, prior art is multiplexed into the FEC redundant data of network media stream in RTP (Real-timeTransport Protocol, the real time transport protocol) stream, adopts PT (Payload Type, the load type) field that keeps to transmit.The PT field is used for representing the form, type of RTP load and determines the analytic method that terminal applies layer program taked this load, and wherein, the type that the PT field of reservation can be used for identifying the RTP message is the FEC redundant data of network media stream.
Prior art adopts single data channel timesharing transmission network Media Stream and FEC redundant data thereof, for example transmits first the alternate transmission mode that a plurality of network media stream packets transmit a FEC redundant data message again.Prior art is being used in the situation of rtp streaming as FEC redundant data transmissions passage, and the terminal of not integrated corresponding FEC function must initiatively abandon when the RTP message of the specific load type of receiving None-identified or parsing.For terminal, processing the FEC redundant message is to want explicit perception, and namely terminal need to be collected the FEC redundant message from network judge processing again to application layer.
Summary of the invention
The embodiment of the invention provides a kind of player method and device, a kind of network media stream sending method and device of network media stream, player method and the device of a kind of network media stream of the embodiment of the invention receive the forward error correction redundant information by another port, recover missing data message fragment in the network media stream according to the forward error correction redundant information that receives, and play the network media stream after recovering.
On the one hand, the embodiment of the invention provides a kind of player method of network media stream, and described method comprises: the network media stream that sends from the first port receiving media data source; Receive the forward error correction redundant information of the described network media stream of described media data source transmission from the second port; Play described network media stream according to described forward error correction redundant information.
On the other hand, the embodiment of the invention provides a kind of network media to spread and put device, and described device comprises: the first receiving element is used for the network media stream that sends from the first port receiving media data source; The second receiving element is for the forward error correction redundant information of the described network media stream that receives described media data source transmission from the second port; Broadcast unit is used for playing described network media stream according to described forward error correction redundant information.
Another aspect, the embodiment of the invention provide a kind of network media stream sending method, and described method comprises: the first port that network media stream is sent to terminal equipment; The forward error correction redundant information of described network media stream is sent to the second port of described terminal equipment.
On the one hand, the embodiment of the invention provides a kind of network media flow transmitting device again, and described device comprises: the first transmitting element, for the first port that network media stream is sent to terminal equipment; The second transmitting element is used for the forward error correction redundant information of described network media stream is sent to the second port of described terminal equipment.
The embodiment of the invention has following useful technique effect: the media data sending method of the embodiment of the invention and device do not interweave the forward error correction redundant information in network media stream, but network media stream and forward error correction redundant information thereof are sent to respectively the different port of terminal equipment, the terminal applies layer does not need the FEC redundant message is shown perception, effectively avoid the defective of terminal equipment because not supporting that corresponding forward error correction redundant information message decoding function can't be play, realized the compatibility to various terminal equipments.
Description of drawings
Fig. 1 is the Organization Chart based on the network media flow transmission system of forward error correction technique of prior art;
Fig. 2 is the spread overall flow figure of the method for putting of the network media of the embodiment of the invention;
Fig. 3 is that the network media of the embodiment of the invention spreads and puts the functional block diagram of device;
Fig. 4 is the overall flow figure of the network media stream sending method of the embodiment of the invention;
Fig. 5 is the functional block diagram of the network media flow transmitting device of the embodiment of the invention;
Fig. 6 is the systematic schematic diagram of the embodiment of the invention;
Fig. 7 is that the embodiment of the invention is carried out the compatible concrete methods of realizing flow chart of playing;
Fig. 8 is one of media play signaling process figure of the embodiment of the invention;
Fig. 9 be the embodiment of the invention media play signaling process figure two;
Figure 10 be the embodiment of the invention media play signaling process figure three.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is elaborated, it is to the explanation of claim of the present invention rather than to the restriction of claim of the present invention that following exemplary description should be understood to.
Prior art adopts a data channel timesharing to send the forward error correction redundant data of network media stream and network media stream.Terminal needs to receive the RTP message and is sent to application layer to identify, to judge or to resolve, terminal for not integrated corresponding FEC function must initiatively abandon when receiving the RTP message of the specific load type of None-identified or parsing (Payload Type), and terminal is to need explicit perception for the redundant RTP message of the FEC that keeps the PT value.The embodiment of the invention provide method and apparatus adopt two ports to receive respectively the redundant information that network media stream and the network media flow, terminal does not need to show perception to this redundant information, avoid the defective of terminal equipment because not supporting that corresponding forward error correction redundant information message decoding function can't be play, realized the compatibility to various terminal equipments.
Fig. 2 is the spread overall flow figure of the method for putting of the network media of the embodiment of the invention.As shown in Figure 2, the player method of a kind of network media stream of the embodiment of the invention comprises the steps:
Step S201, the network media stream that sends from the first port receiving media data source;
Step S202, receive the forward error correction redundant information of the described network media stream that described media data source sends from the second port;
Step S203, play described network media stream according to described forward error correction redundant information.
Particularly, in the practical application, also comprise step 200 before the step S201:
Step 200, the second port of opening for the first port that receives network media stream and being used for receiving the forward error correction redundant information of described network media stream;
Alternatively, step S203 can specifically comprise: recover missing data message fragment in the described network media stream according to described forward error correction redundant information, play the network media stream after recovering again;
Alternatively, step S201 can be positioned at after the step S202; Alternatively, step S201 can occur simultaneously with step S202.
Alternatively, the method also comprises: by arranging described the second port with the dynamic negotiation of described media data source; Or determine described the second port according to configuration information.For example, the mode of dynamic negotiation can be that the second port numbers is transmitted in " SETUP " order by RTSP (Real Time Streaming Protocol, real-time streaming protocol) between media data source and terminal equipment.The obtain manner of the first port is alternatively for to obtain by the RTSP Signalling exchange between media data source and the terminal equipment.
Fig. 3 is the theory diagram of playing device of a kind of network media stream of the embodiment of the invention, and this device can be arranged in STB.As shown in Figure 3, the playing device 30 of a kind of network media stream of the embodiment of the invention comprises: port monitoring unit 31, the second port that is used for opening the first port that receives network media stream and receives the forward error correction redundant information of described network media stream carries out port and monitors; The first receiving element 32 is used for the network media stream that sends from described the first port receiving media data source; The second receiving element 33, the forward error correction redundant information that the described network media that is used for sending from described the second port receiving media data source flows; Broadcast unit 34 is used for playing described network media stream according to described forward error correction redundant information.Alternatively, broadcast unit 34 can recover missing data message fragment in the described network media stream according to described forward error correction redundant information, plays the network media stream after recovering again.
Alternatively, the playing device of this network media stream also has a port setting unit 35, and this unit is used for by arranging described the second port with the dynamic negotiation of described media data source; Or determine described the second port according to configuration information.The obtain manner of the first port can be continued to use the mode of prior art, as: obtain by the RTSP Signalling exchange between media data source and the terminal equipment.
Fig. 4 is the holistic approach flow chart of a kind of network media stream sending method of the embodiment of the invention.As shown in Figure 4, a kind of network media stream sending method of the embodiment of the invention comprises:
Step S401, network media stream sent to the first port of terminal equipment;
Step S402, the forward error correction redundant information of network media stream sent to the second port of terminal equipment.
Alternatively, step S401 can be positioned at after the step S402; Alternatively, step S401 and step S402 can carry out simultaneously.
Alternatively, the method also comprises: by arranging described the second port with the dynamic negotiation of described terminal; Or determine described the second port according to configuration information.For example, the mode of dynamic negotiation can be transmitted the second port numbers by RTSP " SETUP " order between media data source and terminal equipment.The obtain manner of the first port for example can for: obtain by the RTSP Signalling exchange between media data source and the terminal equipment.
Fig. 5 is the theory diagram of a kind of network media flow transmitting device of the embodiment of the invention, and this device can be arranged in MS.As shown in Figure 5, a kind of network media flow transmitting device 50 of the embodiment of the invention comprises: the first transmitting element 51, for the first port that network media stream is sent to terminal equipment; The second transmitting element 52 is used for the forward error correction redundant information of network media stream is sent to the second port of terminal equipment.
Alternatively, the network media flow transmitting device 50 of present embodiment also comprises port setting unit 53, is used for by arranging described the second port with the dynamic negotiation of described terminal; Or determine described the second port according to configuration information.Alternatively, the mode of dynamic negotiation can be transmitted first end slogan and the second port numbers by RTSP " SETUP " order between network media flow transmitting device and terminal equipment.The obtain manner of the first port is for for example to obtain by the RTSP Signalling exchange between media data source and the terminal equipment.
Fig. 6 is the systematic schematic diagram of the embodiment of the invention.As shown in Figure 6, the system of the embodiment of the invention comprises: network media flow transmitting device 61 and the network media spread and put device 62.Network media flow transmitting device 61 is MS or media content sources alternatively, and media content sources has a FEC encoder alternatively; Network media flow transmitting device 61 is connected in the network media by IP network and spreads and put device 62, and playing device 62 can be a set-top box STB, and alternatively, STB has a fec decoder device; The display device 63 that links to each other with set-top box 62 is a television set, display or computer alternatively.
Fig. 7 is that the embodiment of the invention is carried out the compatible concrete methods of realizing flow chart of playing.As shown in Figure 7, the compatible player method of present embodiment comprises the steps:
The network media of step S701, the embodiment of the invention spreads and puts the second port that device is opened for the first port that receives network media stream and is used for receiving the forward error correction redundant information of this network media stream;
The network media of step S702, the embodiment of the invention spreads and puts the network media stream that device sends from the first port receiving media data source;
The network media of step S703, the embodiment of the invention spreads and puts device and judge whether the forward error correction redundant information that receives network media stream from the second port surpasses the default stand-by period, in this way, then enters step S704, as no, then enters step S706;
Step S704, abandon receiving this forward error correction redundant information, and abandon the decoding to the forward error correction redundant information;
Step S705, terminal equipment are play-overed the network media stream that receives, and present common image quality;
Step S706, terminal equipment judge whether the software and hardware version of the forward error correction decoder of self has corresponding forward error correction redundant information decoding function, in this way, then enters step S707, as no, then enters step S709;
Step S707, terminal equipment decoding forward error correcting redundant information;
Step S708, terminal equipment are play media data according to the forward error correction redundant information, present smooth image quality; This step can further comprise: recover missing data message fragment in the described network media stream according to described forward error correction redundant information, play the network media stream after recovering;
Step S709, terminal equipment are abandoned the decoding forward error correcting redundant information;
Step S710, terminal equipment are play-overed the network media stream that receives, and present common image quality.
The network media of embodiment of the invention stream sending method flows the network media with device and the forward error correction redundant information sends to the corresponding port of terminal equipment after disposing respectively different destination port numbers, and does not destroy the primitive network Media Stream.The network media of the embodiment of the invention spreads and puts method and apparatus, opens two ports and receives respectively network media stream and forward error correction redundant information thereof, and flow according to forward error correction redundant information playing network media.
Fig. 8 is one of media play signaling process figure of the embodiment of the invention.In the present embodiment, media data playing device is a set-top box, is alternatively one to be applicable to the network machine top box of IPTV IPTV.The media data dispensing device is a media content sources, is alternatively one to be applicable to a multimedia message server or the media content sources of IPTV IPTV.
In the present embodiment between set-top box and the media content sources process of communication interaction as follows:
Step S801, set-top box send content requests to media content sources, for example RTSP, SIP (SessionInitial Protocol, session initiation protocol) request;
Step S802, media content sources are replied response message to set-top box;
Step S803, set-top box are opened the first port that receives network media stream and are received the second port of the forward error correction redundant information of described network media stream;
In the present embodiment, the second port draws by set-top box and media content sources dynamic negotiation agreement or is pre-configured and definite by set-top box and media content sources.In the present embodiment, the first port and the second port are User Datagram Protoco (UDP) (UDP) port.
Step S804, media content sources send to the first port of set-top box with network media stream, the forward error correction redundant information of network media stream are sent to the second port of set-top box;
Step S805, set-top box receive the forward error correction redundant information of network media stream and network media stream, and utilize the forward error correction redundant information to decode to reduce the message of losing, and show smooth image quality.
Alternatively, step S805 also can be step S805 ':
Step S805 ', do not have integrated corresponding decoding algorithm or function such as set-top box, then abandon decoding, play-over network media stream, to show common image quality, realize compatible the broadcast.
In the present embodiment, media content sources sends to network media stream the first port of set-top box, the forward error correction redundant information of network media stream is sent to the second port of set-top box, like this, this set-top box will receive network media stream from the first port, and receive the forward error correction redundant information of network media stream from the second port, when the software and hardware version of the decoder of set-top box is supported this forward error correction redundant information decoding, this network media stream is play in decoding, the message that reduction is lost, and present high-quality smooth image quality; Otherwise set-top box is abandoned decoding, play-overs network media stream and presents common image quality.Like this, the media content sources of the embodiment of the invention has realized the compatibility to the set-top box of the different soft and hard part version of the embodiment of the invention.
The network media of the embodiment of the invention the spread method of putting and device, introduced the forward error correction redundant information receiving port different with the media data port, thereby the forward error correction redundant information that can active sniffing be sent to this port, and play the described network media according to the forward error correction redundant information and spread and put, realized that effectively the compatibility of network media stream that various media data source are provided is play.The method of the embodiment of the invention can be widely used in making in UDP carries out the occasion that media transmit, such as IPTV, DTV interactive TV etc.
Fig. 9 be the embodiment of the invention media play signaling process figure two, the network media that this flow chart has disclosed the embodiment of the invention spreads and puts the media content sources that do not have the forward error correction coding ability in device and the prior art or the compatible player method between the server.The method is put device by spreading at the network media the second port is set up timeout treatment mechanism to realize compatible the broadcast.The compatible player method of Fig. 9 comprises the steps:
Step S901, set-top box are initiated media content request to media content sources, for example RTSP, SIP request;
Step S902, media content sources are replied response message to set-top box;
Step S903, set-top box are opened for the first port that receives network media stream and are used for receiving the second port of the forward error correction redundant information of network media stream;
Step S904, media content sources only send network media stream to the first port; Because media content sources does not have the forward error correction coding function, thus forward error correction redundant information that can't the generating network Media Stream, so only send network media stream;
Step S905, set-top box receive network media stream from the first port, and when not receiving the forward error correction redundant information at the second port in default time-out time, set-top box just abandons receiving, abandon simultaneously decoding FEC, set-top box is play-overed the compatibility broadcast that the network media flows to realize common image quality.
Alternatively, default time-out time can be for example 100 milliseconds.
In the present embodiment, when set-top box communicates with the server that does not have the forward error correction coding function, also can abandon receiving the forward error correction redundant information from the second port of set-top box by waiting-timeout mechanism, thereby also can realize that the compatibility of common image quality plays to the media content that above-mentioned server provides.
Figure 10 be the embodiment of the invention media play Signalling method flow chart three.This flow chart has disclosed the player method flow process of the compatible old-fashioned set-top box of a kind of network media flow transmitting device of present embodiment.This old-fashioned set-top box does not have the second port that is exclusively used in the forward error correction redundant information that receives network media stream.The method of Figure 10 comprises the steps:
Step S1001, set-top box are initiated media content request to media content sources, for example RTSP, SIP request;
Step S1002, media content sources are replied response message to set-top box;
Step S1003, set-top box are opened network media stream receiving port;
Step S1004, media content sources adopt different port to send respectively the forward error correction redundant information of network media stream and network media stream to terminal;
Step S1005, because set-top box is only monitored a port, so set-top box only perceives network media stream, and the forward error correction redundant information of unlisten port is abandoned naturally, set-top box is play-overed network media stream.
In the present embodiment, media content sources sends to the forward error correction redundant information of network media stream and this network media stream respectively the first port and second port of terminal set top box; But, old-fashioned set-top box is only monitored the first port, and receive network media stream, and for the forward error correction redundant information of the second port of unlisten, the fully not perception of application program of set-top box, therefore this forward error correction redundant information is abandoned naturally, thereby has realized that old-fashioned set-top box is to the compatibility broadcast of the common image quality of the network media stream of the media data source transmission of the embodiment of the invention.
In sum, the method and apparatus of the embodiment of the invention has been realized maximum terminal transparency with the complexity of minimum.The media content sources of the embodiment of the invention can compatible different decoding functions set-top box; Simultaneously, the media content sources of the embodiment of the invention that the set-top box of the embodiment of the invention is both compatible, yet compatible other do not have the media content sources of forward error correction coding function.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, technical scheme of the present invention is to can embodying with the form of software product in whole or in part that background technology contributes, this computer software product can be stored in the storage medium, such as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above embodiment only in order to the technical scheme of the embodiment of the invention to be described, is not intended to limit; Although with reference to previous embodiment the embodiment of the invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part 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 spirit and scope of each embodiment technical scheme of the embodiment of the invention.
Claims (10)
1. network media method of putting of spreading is characterized in that described method comprises:
The network media stream that sends from the first port receiving media data source;
Receive the forward error correction redundant information of the described network media stream of described media data source transmission from the second port;
Whether the software and hardware version of judging the forward error correction decoder of self has corresponding forward error correction redundant information decoding function;
In this way, the described forward error correction redundant information of then decoding is play described network media stream according to described forward error correction redundant information;
As no, the described forward error correction redundant information of then abandoning decoding is play-overed the network media stream that receives.
2. method according to claim 1 is characterized in that, described method also comprises:
When in a preset period of time, not receiving described forward error correction redundant information, play-over described network media stream.
3. method according to claim 1 is characterized in that, described method also comprises:
By arranging described the second port with the dynamic negotiation of described media data source; Or
Determine described the second port according to configuration information.
4. a network media spreads and puts device, it is characterized in that, described device comprises:
The first receiving element is used for the network media stream that sends from the first port receiving media data source;
The second receiving element is for the forward error correction redundant information of the described network media stream that receives described media data source transmission from the second port;
Judge whether the software and hardware version of the forward error correction decoder of self has the unit of corresponding forward error correction redundant information decoding function;
Broadcast unit is yes if be used for judged result, and the described forward error correction redundant information of then decoding is play described network media stream according to described forward error correction redundant information; If the determination result is NO, the described forward error correction redundant information of then abandoning decoding is play-overed the network media stream that receives.
5. device according to claim 4 is characterized in that,
Described broadcast unit also is used for when not receiving described forward error correction redundant information in a preset period of time, play-overs described network media stream.
6. device according to claim 4 is characterized in that, described device also comprises:
The port setting unit is used for by arranging described the second port with the dynamic negotiation of described media data source; Or determine described the second port according to configuration information.
7. a network media flows sending method, it is characterized in that described method comprises:
Network media stream is sent to the first port of terminal equipment;
The forward error correction redundant information of described network media stream is sent to the second port of described terminal equipment;
Wherein, described terminal equipment judges whether the software and hardware version of the forward error correction decoder of self has corresponding forward error correction redundant information decoding function; In this way, the described forward error correction redundant information of then decoding is play described network media stream according to described forward error correction redundant information; As no, the described forward error correction redundant information of then abandoning decoding is play-overed the network media stream that receives.
8. method according to claim 7 is characterized in that, described method also comprises:
By determining described the second port with the dynamic negotiation of described terminal equipment; Or according to self disposing to determine described the second port.
9. a network media flow transmitting device is characterized in that, described device comprises:
The first transmitting element is for the first port that network media stream is sent to terminal equipment;
The second transmitting element is used for the forward error correction redundant information of described network media stream is sent to the second port of described terminal equipment;
Wherein, whether described terminal equipment has corresponding forward error correction redundant information decoding function for the software and hardware version of the forward error correction decoder of judging self; In this way, the described forward error correction redundant information of then decoding is play described network media stream according to described forward error correction redundant information; As no, the described forward error correction redundant information of then abandoning decoding is play-overed the network media stream that receives.
10. device according to claim 9 is characterized in that, described device also comprises:
The port setting unit is used for by arranging described the second port with the dynamic negotiation of described terminal equipment; Or determine described the second port according to configuration information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910150674 CN101938324B (en) | 2009-06-29 | 2009-06-29 | Network media stream playing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910150674 CN101938324B (en) | 2009-06-29 | 2009-06-29 | Network media stream playing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101938324A CN101938324A (en) | 2011-01-05 |
| CN101938324B true CN101938324B (en) | 2013-01-02 |
Family
ID=43391477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910150674 Expired - Fee Related CN101938324B (en) | 2009-06-29 | 2009-06-29 | Network media stream playing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101938324B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015172274A1 (en) * | 2014-05-10 | 2015-11-19 | 苏州阔地网络科技有限公司 | Load balancing processing method and system |
| CN110875795B (en) * | 2018-08-29 | 2022-05-24 | 阿里巴巴集团控股有限公司 | Data transmission method, device, equipment and storage medium |
| CN113037751B (en) * | 2021-03-09 | 2023-10-31 | 北京字节跳动网络技术有限公司 | Method and system for creating audio/video receiving stream |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1871814A (en) * | 2003-08-29 | 2006-11-29 | Rgb网络有限公司 | Advanced, adaptive video multiplexer system |
| CN101030838A (en) * | 2007-04-02 | 2007-09-05 | Ut斯达康通讯有限公司 | System and method for controlling self-adaptive forward error dynamically in IPTV network |
| WO2009076096A2 (en) * | 2007-12-06 | 2009-06-18 | Cisco Technology, Inc. | Delivery of streams to repair errored media streams in periods of unrecoverable errors |
-
2009
- 2009-06-29 CN CN 200910150674 patent/CN101938324B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1871814A (en) * | 2003-08-29 | 2006-11-29 | Rgb网络有限公司 | Advanced, adaptive video multiplexer system |
| CN101030838A (en) * | 2007-04-02 | 2007-09-05 | Ut斯达康通讯有限公司 | System and method for controlling self-adaptive forward error dynamically in IPTV network |
| WO2009076096A2 (en) * | 2007-12-06 | 2009-06-18 | Cisco Technology, Inc. | Delivery of streams to repair errored media streams in periods of unrecoverable errors |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101938324A (en) | 2011-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101316357B (en) | Channel switching method and terminal | |
| EP2036350B1 (en) | Media channel management | |
| US8776161B2 (en) | Systems and methods for video processing in network edge devices | |
| US7817672B2 (en) | Method and device for providing programs to multiple end user devices | |
| US10374865B2 (en) | System for processing streaming media service and method and network device thereof | |
| US20080109853A1 (en) | Media channel management | |
| US9167211B2 (en) | Method for transmitting an IPTV streaming service by P2P transmission, and method for receiving an IPTV streaming service by P2P transmission | |
| EP3609179A1 (en) | Video quality evaluation method and device | |
| US20100058430A1 (en) | Apparatus and method for managing media content | |
| US8739238B2 (en) | Method and system for a media processor | |
| EP2647212A1 (en) | Method and apparatus for receiving multicast video using a playlist | |
| JP2007536859A (en) | Improved quality feedback in streaming services | |
| WO2012074777A1 (en) | Method and apparatus for distributing video | |
| CN101938324B (en) | Network media stream playing method and device | |
| KR20050071568A (en) | System and method for providing error recovery for streaming fgs encoded video over an ip network | |
| EP2312826A2 (en) | Network device, information processing apparatus, stream switching method, information processing method, program, and content distribution system | |
| CN101989977A (en) | Method, device, server and system for implementing rich media real-time services | |
| JP2006066973A (en) | Bidirectional video image communication quality control system, user terminal, quality control server, and program | |
| WO2009109232A1 (en) | Method and apparatus for distributing media over a communications network | |
| JP2009245270A (en) | Image distribution system and image distribution method | |
| US8505051B2 (en) | Method for outputting content information and display system enabling the method | |
| US20130117794A1 (en) | Multimedia content broadcast procedure | |
| Bassbouss et al. | Streamlining WebRTC and DASH for Near-Real-Time Media Delivery | |
| JP6650260B2 (en) | Transmission device, reception device, transmission / reception system, program, and chip | |
| CN101902297B (en) | Method and system for realizing forward error correction function in interactive internet protocol television system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20160629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |