CN101009685A - A stream media playing system - Google Patents
A stream media playing system Download PDFInfo
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- CN101009685A CN101009685A CN 200610001712 CN200610001712A CN101009685A CN 101009685 A CN101009685 A CN 101009685A CN 200610001712 CN200610001712 CN 200610001712 CN 200610001712 A CN200610001712 A CN 200610001712A CN 101009685 A CN101009685 A CN 101009685A
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Abstract
The disclosed flow media display system and method comprise: a media selection module in the flow media server, a flow protocol dialogue module to store RTP package ID and timestamp information after the display and send prompt information to display terminal; according to user selection information from selection module, selecting media content from storage to transmit through the said dialogue module; a user selection module in mobile terminal to receive said prompt for providing selection for user and send user selection to the media selection module. This invention enhances the interactivity for user during enjoying.
Description
Technical field
The present invention relates to a kind of Play System, particularly a kind of stream media play system.
Background technology
Stream media technology is a kind of online play-back technology of rising in recent years.Online broadcast, as the term suggests be exactly to play while downloading, player also need not wait until that multimedia file all downloads to local hard drive and plays later on again, but plays when downloading.Player hews out a buffering area in the internal memory of client; the space of several Mbytes normally; player begins the decoding broadcast after waiting until enough data being arranged in the buffering area; this process needs the time in several seconds usually; saved the stand-by period with playing to compare greatly again after having downloaded, and owing to do not download on the hard disk, but directly store in the internal memory; promptly be played the device deletion after playing, therefore digital publishing rights played a protective role.Online technically player is more complicated than the player of downloading and playing, and it must the network enabled playing function." Streaming Media " is different from traditional multimedia, it is a kind of structurized network media stream, its main feature transmits on network with the form of " audio/video flow " (Audio-Video Stream) exactly, player can be as playing the local file playing network streaming media, thereby realize functions such as time-out, recovery, F.F., rewind down.
In the Streaming Media transmission course, employed main host-host protocol is real time streaming transport protocol (Real-time Transport Protocol), is called for short Real-time Transport Protocol.RTP is used for Internet to go up a kind of host-host protocol at multimedia data stream, be defined within one to one or the transmission situation of one-to-many under work, its objective is provides temporal information and realizes that stream is synchronously.RTP provides the ad-hoc network transfer function, is fit to transmit real time data by multicast and program request, as audio frequency, video and emulated data.RTP does not relate to service in real time such as resource reservation and quality assurance.Comprise fixing RTP heading, available effect sign (CSRC) and load data in the RTP message format.If the underlying protocol that RTP relied on is to the form requirement to some extent of RTP message, the form of RTP message must make amendment or redefine.Usually, single base data message only comprises single RTP message.
DST PLAYER is to determine according to timestamp (timestamp) and sequence number (sequence number) that RTP packet header (Header) comprised to the DISPLAY ORDER and the time of the RTP packet received, timestamp stores a kind of time value in the frame of video into when being the video frequency program collection of material, DST PLAYER utilizes it to decide a certain frame of video when to play.Sequence number has then been represented the order of each video packets, and DST PLAYER utilizes it to come all packets that arrive are sorted.DST PLAYER is play according to the size and the order of sequence of frames of video of receiving number and timestamp, has just realized normal play.
The method of existing a kind of normal play may further comprise the steps as shown in Figure 1:
1) audio-video document at first reads each frame of video before carrying out Network Transmission, or each packets of audio data, and it is encapsulated in the RTP bag;
2) (the conversion does not here have specific requirement the time stamp T S of this moment in the RTP bag to be carried out conversion, can carry out conversion according to RFC 3016 agreements, also can select the mapping mode of oneself, can discern, and can contravariant gain TS and get final product) as long as guarantee client;
3) sequence number in the RTP bag, (SN=SN+1) at first adds up;
4) will stab in the elapsed time with the sequence number conversion after the RTP packet send out by network;
5) after the DST PLAYER of client was received the RTP packet, the sequence number SN according to it ranked earlier:
6), successively wherein timestamp is carried out inverse transformation according to arranging good RTP packet;
7) the RTP bag after player will be changed is delivered to decoding unit and is decoded, and is reduced to frame data;
8) player is delivered to display unit with decoded frame of video or audio frame, and display unit shows this frame of video according to the time stamp T S in frame of video or the audio frame;
9) player is according to normal condition movie file,
Above-mentioned player method has following weak point:
The user can not select program source when appreciating audio/video program by network; Simultaneously, server does not possess intelligent and commercial application prospect when the audio frequency and video service is provided.
Another kind of existing player method is: when server issues audio-video document with normal condition, can be as required, switch to different program source, changing method comprises two kinds: realize fully by server with the irrelevant changing method of client and need client to carry out the relevant changing method with client of minor modifications.
Above-mentioned player method weak point is: the user can only be the selection that passive carrying out affirmed or negate, and can not allow the free interaction of user select.
Summary of the invention
Technical problem solved by the invention has provided a kind of stream media play system, to reach the user when appreciating audio/video program by network, can select program source; The user no longer is the selection that passive carrying out affirmed or negate, but can allow the free interaction of user select.
For solving the problems of the technologies described above, the invention provides a kind of stream media play system, comprise playback terminal, streaming media server, wherein:
Playback terminal comprises:
Login module is used to make playback terminal to sign in to streaming media server, and selects to wish the media content of broadcast;
Protocol conversation module: be used to make playback terminal and streaming media server to carry out the stream protocol session, and carry out message processing procedure;
Decoder module: be used for the media information decoding that convection media server transmits;
Module displays the play: be used for demonstration and playing audio-video information and user and select information;
Streaming media server comprises:
Streaming Media door module: be used to playback terminal to represent media content information, provide the link of media content address to select for the user;
Media store module: be used to preserve media content;
Stream protocol conversation module: be used for selected media content is packaged into the RTP bag, send to playback terminal;
The server file parsing module: be used for media file is decomposed, for the RTP packing is prepared,
Also comprise in the streaming media server:
Medium are selected module, after finishing the media content broadcast, send information to playback terminal, and the prompting user selects new media content; According to the selection information of playback terminal, newly selected media content is packaged into the RTP bag again, sends to playback terminal, and by displaying the play after the playback terminal decoding;
Also comprise in the portable terminal:
The user selects module, according to described information new media content is selected, and selection information is sent to streaming media server.
Described medium select module to comprise:
Medium RTP bag is preserved the unit, is used to preserve the sequence number and the timestamp information of last RTP bag of this media content.
The sequence number and the timestamp information of first RTP bag of described new selected media content can keep continuously with the sequence number and the timestamp information of last RTP bag of the last media content of described preservation.
Described stream protocol conversation module can comprise that RTP wraps packaged unit, is used to decompose media content, selects to comprise the media information and the corresponding audio information of I frame, carries out the RTP packing.
Described information can be the menu option information, comprises a plurality of alternative media contents.
Described menu option information may further include: the option that finishes broadcast.
Described new media content is selected, can be the user according to the information that streaming media server sends, select by the selection key of playback terminal.
Use the present invention, make the user when appreciating audio/video program, can select program source by network; The user no longer is the selection that passive carrying out affirmed or negate, but can free interactive selection.
Description of drawings
Fig. 1 is the structural representation of the described stream media play system of the embodiment of the invention.
Embodiment
Streaming medium content is play at playback terminal, and mainly according to timestamp and two parameters of bag sequence number of RTP bag, playback terminal only needs these two parameters to keep then normally carrying out follow-up broadcast continuously.When playback terminal was finished the broadcast of last segment, the stream service platform was preserved the timestamp and the bag sequence number of previous segment, and the prompting user uses button to select media content next to be played.After the user selected, in RTP, the timestamp of this RTP bag and last RTP of bag sequence number and previous segment wrap timestamp and the maintenance of bag sequence number is continuous with the content packaging of next segment for steaming media platform.What comprise in this RTP bag simultaneously is the I frame information.After playback terminal is received these data Bao Bao, the energy normal play, and the phenomenon that flower shields can not appear.Whole system is illustrated in figure 1 as:
Native system has playback terminal 11, streaming media server 12, and playback terminal 11 comprises: be used for allowing the user login streaming media server and make the user search the login module 111 of media content; Be used for handling stream protocol packet protocol conversation module 112, this is handled the stream protocol bag and is actually, and handles unpacking of RTP bag, the inspection of RTP bag bag sequence number and timestamp; Be used for the media information decoding module 113 that convection media server transmits; Be used in addition showing and playing audio-video information and user select the information module 114 that displays the play; The user selects module 115, according to information new media content is selected, and selection information is sent to streaming media server.It is after receiving that medium are selected the information of module that the user selects module 115, provide medium to select to the user, after the user selects, user's selection information is sent to medium select module, wherein information is to point out according to the selection information that Streaming Media door module transmits.
Information is the menu option information, wherein comprises a plurality of alternative media contents, wherein can include the option that finishes broadcast.New media content is selected, and is the information of user according to the streaming media server transmission, selects by the selection key of playback terminal.Just playback terminal 11 by menu option, shows choice menus to the user after finishing media play, and the prompting user selects next playing stream media, after the input of user's selection result, notifies medium to select module selection result; And selection key then is to be used for the user to import selection result.
RTP bag packaged unit is arranged in the stream protocol conversation module, be used to decompose media content, select to comprise the media information and the corresponding audio information of I frame, carry out the RTP packing.
Medium select to have in the module medium RTP bag to preserve the unit, are used to preserve the sequence number and the timestamp information of last RTP bag of this media content.
The workflow of each module is:
1, the user seeks the link of interested media content address by the login module login Streaming Media door module of playback terminal.The link of click address, the media content that the medium of streaming media server select module to choose playback terminal to select from the media store module.
2, playback terminal and streaming media server carry out the stream protocol session, and message processing procedure carries out in the stream protocol conversation module of playback terminal and steaming media platform.Streaming media server is packaged into the RTP bag with media information and sends to playback terminal, and the stream protocol conversation module receiving media information of playback terminal is decoded in decoder module, plays to show in the module that displays the play.
3, after finishing the media content broadcast, the stream protocol conversation module of streaming media server is preserved RTP bag sequence number and timestamp information, medium select module to send information to playback terminal simultaneously, and the user can select interested content to continue to play by the button of appointment.
4, the user carries out the button selection by playback terminal, and the user of playback terminal selects module that the medium that selection information sends to streaming media server are selected module.
5, the medium of streaming media server select module to select to select media content from the media store module according to the user, through document analysis decomposition module media content, selection comprises the media information and the corresponding audio information of I frame, carry out the RTP packing, wherein keep continuously on the corresponding information of sequence number, timestamp information and the preservation of RTP bag.The stream protocol conversation module sends to playback terminal with the RTP package informatin.
6, playback terminal receives new audio frequency and video segment content, proceeds to play.
The invention enables the user as can be seen when appreciating audio/video program by above-mentioned concrete enforcement, can select program source by network; The user no longer is the selection that passive carrying out affirmed or negate, but can free interactive selection.
Claims (7)
1, a kind of stream media play system comprises playback terminal, streaming media server, wherein:
Playback terminal comprises:
Login module is used to make playback terminal to sign in to streaming media server, and selects to wish the media content of broadcast;
Protocol conversation module: be used to make playback terminal and streaming media server to carry out the stream protocol session, and carry out message processing procedure;
Decoder module: be used for the media information decoding that convection media server transmits;
Module displays the play: be used for demonstration and playing audio-video information and user and select information;
Streaming media server comprises:
Streaming Media door module: be used to playback terminal to represent media content information, provide the link of media content address to select for the user;
Media store module: be used to preserve media content;
Stream protocol conversation module: be used for selected media content is packaged into the RTP bag, send to playback terminal;
The server file parsing module: be used for media file is decomposed, for the RTP packing is prepared,
It is characterized in that,
Comprise in the streaming media server:
Medium are selected module, after finishing the media content broadcast, send information to playback terminal, and the prompting user selects new media content; According to the selection information of playback terminal, newly selected media content is packaged into the RTP bag again, sends to playback terminal, and by displaying the play after the playback terminal decoding;
Comprise in the portable terminal:
The user selects module, according to described information new media content is selected, and selection information is sent to streaming media server.
2, the system as claimed in claim 1 is characterized in that, described medium select module to comprise:
Medium RTP bag is preserved the unit, is used to preserve the sequence number and the timestamp information of last RTP bag of this media content.
As system as described in the claim 2, it is characterized in that 3, the sequence number and the timestamp information of first RTP bag of described new selected media content keep continuously with the sequence number and the timestamp information of last RTP bag of the last media content of described preservation.
4, the system as claimed in claim 1 is characterized in that, described stream protocol conversation module comprises that RTP wraps packaged unit, is used to decompose media content, selects to comprise the media information and the corresponding audio information of I frame, carries out the RTP packing.
5, the system as claimed in claim 1 is characterized in that, described information is the menu option information, comprises a plurality of alternative media contents.
6, system as claimed in claim 5 is characterized in that, described menu option information further comprises: the option that finishes broadcast.
7, the method for claim 1 is characterized in that, described new media content is selected, be the user according to the information that streaming media server sends, select by the selection key of playback terminal.
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| CN 200610001712 CN101009685A (en) | 2006-01-23 | 2006-01-23 | A stream media playing system |
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| CN 200610001712 CN101009685A (en) | 2006-01-23 | 2006-01-23 | A stream media playing system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159906B (en) * | 2007-11-13 | 2010-08-04 | 中国电信股份有限公司 | Call prompting message playing method and system |
| CN101286908B (en) * | 2008-05-30 | 2010-11-10 | 成都穿越集成电路设计有限公司 | Method and apparatus of wireless communication between digital media player and node of wireless network |
| CN101997872A (en) * | 2010-10-21 | 2011-03-30 | 中兴通讯股份有限公司 | Method for reducing transmit jitter of code streams of streaming media and streaming media server |
| CN102231863A (en) * | 2011-06-02 | 2011-11-02 | 南京中兴力维软件有限公司 | Transmission method of multichannel video streams and system thereof |
| CN101516057B (en) * | 2009-02-19 | 2011-12-14 | 深圳市彩秀科技有限公司 | Method for realizing streaming media through mobile terminal |
| CN101409824B (en) * | 2007-10-12 | 2011-12-28 | 中兴通讯股份有限公司 | System and method for on-line buying order program source |
| CN102868929A (en) * | 2012-08-31 | 2013-01-09 | 深圳市龙视传媒有限公司 | Video display method and system, and digital television terminal |
| CN104869461A (en) * | 2015-05-22 | 2015-08-26 | 南京创维信息技术研究院有限公司 | Video data processing system and method |
| CN106231231A (en) * | 2016-07-25 | 2016-12-14 | 贵阳朗玛信息技术股份有限公司 | Live video communication method and apparatus |
-
2006
- 2006-01-23 CN CN 200610001712 patent/CN101009685A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409824B (en) * | 2007-10-12 | 2011-12-28 | 中兴通讯股份有限公司 | System and method for on-line buying order program source |
| CN101159906B (en) * | 2007-11-13 | 2010-08-04 | 中国电信股份有限公司 | Call prompting message playing method and system |
| CN101286908B (en) * | 2008-05-30 | 2010-11-10 | 成都穿越集成电路设计有限公司 | Method and apparatus of wireless communication between digital media player and node of wireless network |
| CN101516057B (en) * | 2009-02-19 | 2011-12-14 | 深圳市彩秀科技有限公司 | Method for realizing streaming media through mobile terminal |
| CN101997872B (en) * | 2010-10-21 | 2014-08-13 | 中兴通讯股份有限公司 | Method for reducing transmit jitter of code streams of streaming media and streaming media server |
| CN101997872A (en) * | 2010-10-21 | 2011-03-30 | 中兴通讯股份有限公司 | Method for reducing transmit jitter of code streams of streaming media and streaming media server |
| CN102231863A (en) * | 2011-06-02 | 2011-11-02 | 南京中兴力维软件有限公司 | Transmission method of multichannel video streams and system thereof |
| CN102231863B (en) * | 2011-06-02 | 2013-03-27 | 南京中兴力维软件有限公司 | Transmission method of multichannel video streams and system thereof |
| CN102868929A (en) * | 2012-08-31 | 2013-01-09 | 深圳市龙视传媒有限公司 | Video display method and system, and digital television terminal |
| CN102868929B (en) * | 2012-08-31 | 2016-02-17 | 深圳市同洲电子股份有限公司 | Image display method, system and terminal |
| CN104869461A (en) * | 2015-05-22 | 2015-08-26 | 南京创维信息技术研究院有限公司 | Video data processing system and method |
| CN106231231A (en) * | 2016-07-25 | 2016-12-14 | 贵阳朗玛信息技术股份有限公司 | Live video communication method and apparatus |
| CN106231231B (en) * | 2016-07-25 | 2019-06-11 | 贵阳朗玛信息技术股份有限公司 | Live video communication method and apparatus |
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Open date: 20070801 |