CN102148812B - Method, server and system for realizing server side playlist - Google Patents
Method, server and system for realizing server side playlist Download PDFInfo
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Abstract
The embodiment of the invention discloses a method, a server and a system for realizing a server side playlist, which relate to the field of streaming media, and can realize the server side playlist comprising a media content of different coding parameters through a simpler information interaction process. The method for realizing the server side playlist comprises the steps as follows: the coding parameters of a next media content to be played to a terminal in the playlist are checked; when the coding parameters of the next media content to be played to the terminal are different from the coding parameters of a media content being played to the terminal, the coding parameters of the media content to be played to the terminal are sent to the terminal before the next media content to be played to the terminal is played to the terminal. The invention is applied to streaming media services, in particular to mobile streaming media services.
Description
Technical field
The present invention relates to stream media technology field, relate in particular to the method, server and the system that realize server side playlist.
Background technology
Server side playlist is the basis of realizing the business such as advertisement and NVOD (accurate TV Video On Demand), and described server side playlist refers to that streaming media server is according to a plurality of media contents of listed files played in order of server end appointment.
Supposing has such playlist content at server end, requires to intercut at the assigned address of terminal request play content the promotional literature of appointment.First, when user one reaches the standard grade, for user intercuts the ad content Ad01.mp4 of 5 seconds for the first time; After advertisement at described 5 seconds plays, start to play the media content Movie.mp4 of user's request; When described media content Movie.mp4 is played to 180 seconds, intercut for the second time the ad content Ad01.mp4 of 5 seconds; After described ad content Ad01.mp4 finishes, described media content Movie.mp4 are continued to play in 180 seconds positions of the media content Movie.mp4 asking from user; After described media content Movie.mp4 broadcasting finishes, broadcasting advertisement content Ad02.mp4.
When user asks to play described media content Movie.mp4, streaming media server is play according to above-mentioned playlist, and what terminal use watched is the content of playing according to server side playlist.
Streaming media server sends media data according to the listed files order of server end appointment to terminal, and terminal receives described media data and decodes according to the coding parameter of described media data, is correctly decoded rear displaying media content.Yet in server side playlist, the coding parameter of a plurality of media contents may be different, when terminal can not be correctly decoded the media content of multiple different coding parameter, just can not realize server side playlist function.
In prior art, in MS-RTSP (Real-Time Streaming Protocol Windows Media Extensions) agreement, defined a kind of scheme that can realize the server side playlist of the media content with different coding parameter.Comprise:
1. terminal sends request of data to streaming media server.
2. after receiving described request of data, streaming media server sends a reply the information of terminal according to play list file, in described information, the content of clear and definite designated user request is a media content in playlist, and describes coding parameter information and the duration of first media content in described playlist.
3. streaming media server is play described first items of media content.
4. terminal is play described first media content according to the coding parameter information decoding receiving.
5. after described first media content broadcasting finishes, the items of media content of the current broadcasting of streaming media server notification terminal is play and is finished.
6. coding parameter information and the duration of the items of media content that the streaming media server notification terminal next one will be play.
7. terminal sends request the message of playing described next items of media content.
8. after receiving the message of the described next items of media content of described request broadcasting, streaming media server is play described next items of media content.
9. terminal, according to the new coding parameter items of media content that the described next one will play of decoding, realizes the picture of described next media content.
In described scheme, the media content information that at every turn sends to terminal due to the streaming media server all content of clear and definite designated user request is a media content in playlist, and coding parameter information and the duration information of a media content in described playlist are only described, so, when playing wherein certain items of media content, user just can only position in this items of media content duration, or be switched to one, the starting position of next program, and can not be directly targeted to the non-start position of other items of media content.And play and finish at the in progress media content of current terminal, in the time of need to playing the next item down media content, streaming media server is all wanted coding parameter information and the duration information of notification terminal the next item down items of media content, and terminal need to send new playing request message, described the next item down media content is play in request, increased the interaction flow of message in playing process, process is more loaded down with trivial details.
Summary of the invention
Embodiments of the invention provide a kind of method, server and system that realizes server side playlist, by comparatively simple information interactive process, just can realize the server side playlist of the media content that comprises different coding parameter.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A method that realizes server side playlist, comprising:
Detect next in playlist need to be to the coding parameter of the media content of terminal plays;
When the described next one need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, the described next one need to be sent to described terminal to the coding parameter of the media content of terminal plays.
A server of realizing server side playlist, comprising:
Detecting unit, for detection of next in playlist need to be to the coding parameter of the media content of terminal plays;
Transmitting element, for need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays when the described next one, to next described in terminal plays need to be before the media content of terminal plays, the described next one need to be sent to described terminal to the coding parameter of the media content of terminal plays.
A system that realizes server side playlist, comprising:
Streaming media server, for detection of next in playlist need to be to the coding parameter of the media content of terminal plays; When the described next one need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, the described next one need to be sent to described terminal to the coding parameter of the media content of terminal plays;
Terminal, need to be to the coding parameter of the media content of terminal plays for receiving the described next one, and according to next described in the coding parameter information decoding receiving need to be to the media content of terminal plays.
The method that realizes server side playlist that the embodiment of the present invention provides, server and system, streaming media server is in to the service process of terminal, detect next need to be to the coding parameter of the media content of terminal plays, when the described next one need to change to the coded message of the media content of terminal plays, next described in streaming media server notification terminal need to need to be to the initial data bag sign of the media content data of terminal plays to the coded message of the media content of terminal plays and the described next one, and terminal is receiving that the described next one need to be after the coded message of the media content of terminal plays, not needing to resend the described next one need to be to the playing request message of the media content of terminal plays, terminal can be used the new coded message need to be to the broadcasting of decoding of the media content of terminal plays to the described next one.Thereby terminal can not upgraded because of the coding parameter of media content data in server side playlist, and occurs decoding error, broadcast interface presents the phenomenon of blank screen.It is the server side playlist with the media content of different coding parameter that technical scheme of the present invention can realize server side playlist file, streaming media server can be according to a plurality of media contents of listed files played in order of server end appointment, and do not need the mutual of playing request message repeatedly, the information interactive process in implementation procedure is fairly simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 realizes the flow chart of the method for server side playlist in prior art;
Fig. 2 is the flow chart of realizing the method for server side playlist described in the embodiment of the present invention;
Fig. 3 is the improved flow chart of realizing the method for server side playlist described in the embodiment of the present invention;
Fig. 4 is the structure chart of realizing the server of server side playlist described in the embodiment of the present invention;
Fig. 5 is the improved structure chart of realizing the server of server side playlist described in the embodiment of the present invention;
Fig. 6 is the structure chart of realizing the system of server side playlist described in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of method that realizes server side playlist, as shown in Figure 2, comprises the steps:
201, streaming media server detect next in playlist need to be to the coding parameter of the media content of terminal plays.
202,, when the described next one need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, streaming media server need to send to described terminal to the coding parameter of the media content of terminal plays by the described next one.
203, need to be to the media content of terminal plays to the next one described in terminal plays.
Described in the present embodiment, realize the method for server side playlist, streaming media server is in to the service process of terminal, detect next need to be to the coding parameter of the media content of terminal plays, when the coded message of media content changes, next described in streaming media server notification terminal need to need to be to the initial data bag sign of the media content data of terminal plays to the coded message of the media content of terminal plays and the described next one, and terminal is receiving that the described next one need to be after the coded message of the media content of terminal plays, not needing to resend the described next one need to be to the playing request message of the media content of terminal plays, terminal can be used the new coded message need to be to the broadcasting of decoding of the media content of terminal plays to the described next one.Thereby terminal can not upgraded because of the coding parameter of media content data, and occurs decoding error, broadcast interface presents the phenomenon of blank screen.It is the server side playlist with the media content of different coding parameter that technical scheme of the present invention can realize server side playlist file, streaming media server can be according to a plurality of media contents of listed files played in order of server end appointment, and the information interactive process in implementation procedure is fairly simple.
A kind of improvement as the present embodiment, the invention provides the method that another realizes server side playlist, as shown in Figure 3, comprises the steps:
301, terminal and streaming media server establish the link, and terminal sends the request message of the sign of carrying support renewal media content information to streaming media server.Described message can be OPTIONS.
As: terminal sends Require:update-sdp-with-message-feature.
302, streaming media server is according to self whether supporting that upgrading media content information replys response message 200OK.
When media information is upgraded in streaming media server support, send and carry the response message 200OK that the sign of media content information is upgraded in streaming media server support.Execution step 303.
When streaming media server is not supported to upgrade media information, send and carry the response message 200OK that streaming media server does not upgrade the sign of media content information.Flow process finishes.As: streaming media server transmission Unsupported:update-sdp-with-message-feature can identify and not support to upgrade media content information.
The mode of upgrading media content information described in step 301,302 can be following two kinds of modes:
The first, use signalling path to upgrade media content information.
When using signalling path to upgrade media content information, when the coding parameter of media content changes, streaming media server is by sending the mode of signaling message, the coded format of the media content that notification terminal is new.
The second, usage data passage upgrades media content information.
When usage data passage upgrades media content information, when the coding parameter of media content changes, streaming media server is by sending the mode of packet, the coded format of the media content that notification terminal is new.
303, terminal sends the message of describing terminal capability to streaming media server.The information such as the media content type of coding that can support such as terminal, code check.
In message described in RTSP (real-time Transmission stream media protocol), can be ANNOUNCE message, in message described in SIP (conversation initialized protocol), can use INFO notice.The present embodiment be take ANNOUNCE message as example, and described ANNOUNCE message can be carried SDP (Session Description Protocol) information and other service capability informations, in SDP information, describes terminal capability, the media coding type that can support as terminal, code check etc.
304, after the ANNOUNCE message of description terminal capability that receives terminal transmission, streaming media server records the terminal ability information of describing in described ANNOUNCE.As streaming media server, select the foundation to terminal plays media content.
Each media content in streaming media server can be preserved the version of a plurality of different coding parameters, such as H.264 file 1 saves as or the version of two coded formats H.263 simultaneously.The version that can also have a plurality of different accuracies, such as file 1 is preserved size for 1M, 200Kbps, tri-versions of 3M.When to middle-end Transmit message 1, the coding parameter that streaming media server can be supported according to terminal and code check select the version of response to send.Such as H.264 terminal is supported or two coded formats H.263 simultaneously, code check is 2.5M, and streaming media server can be selected 3M, H.264 the file 1 of coding parameter is to terminal, and result of broadcast is relatively good.
When streaming media server find the coded format of certain media file be terminal can not support coded format time, server can also be converted to the coded format of described media file a kind of coded format that terminal can be supported so, then described media content data is sent to terminal.
Streaming media server inspection and renewal media content are not limited to video code model and code check, for all, can affect the parameter of terminal playing effect, and streaming media server can check and it be upgraded.
In information interactive process, terminal and streaming media server have carried out upgrading the negotiation of media content information ability, streaming media server has got the service ability such as decoding of terminal, like this in to the service process of terminal, when the coded message of media data changes, streaming media server can be when program switches by next need to need to sign to the initial data bag of the media content data of terminal plays to the coded message of the media content of terminal plays and the described next one described in message or special packet notification terminal, terminal can be used new coded message need to decode to the media content of terminal plays to the described next one, can not upgrade because of the coding parameter of media content data, and there is decoding error, broadcast interface presents the phenomenon of blank screen.
Streaming media server has got the service ability of terminal in information interactive process, so when media content code check does not mate with the code check of terminal, it is that terminal is served that streaming media server also can be chosen suitable code check, thereby improves terminal use's result of broadcast.
305, streaming media server sends acknowledge message 200OK to terminal.
306, terminal sends the request of describing media content to streaming media server.Described request can be DESCRIBE message.
307, streaming media server is according to the play rules of playlist, and structure is replied the message of terminal.Described message can be SDP information, carries whole duration informations of media content in the coding parameter of described media content and playlist in described SDP information.
308, streaming media server is replied terminal response message 200OK, and carries the SDP information that contains whole duration informations of media content in media content coding parameter and playlist.Suppose that the video code model that streaming media server carries in SDP information is H263.
In the response message of DESCRIBE, what streaming media server was replied is the duration information of whole list content, and the coded message of first media content.Terminal does not need to identify that streaming media server plays is a playlist content, only need to carry out data decode according to different coded messages.What terminal received is the playing duration of whole playlist content, so just can within the scope of the reproduction time of whole playlist content, position, F.F., rewind down, time-out, play operation.
309, terminal sends the request of setting up media data sendaisle.Described request can be SETUP message.
3010, streaming media server notification terminal is set up the success of media data sendaisle.
3011, terminal sends playing request to streaming media server, and request starts to play media content.Described request can be PLAY message.
3012, streaming media server notification terminal is play successfully.
3013, streaming media server is to the media content in playlist described in terminal plays.
3014, the coded format of supposing first media content video data is H263, and terminal can be shown media content by normal decoder.
3015, streaming media server detect next in playlist need to be to the coding parameter of the media content of terminal plays.When the described next one need to, to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, carry out 3016; When the described next one need to, to the coding parameter of the media content of terminal plays when identical to the coding parameter of the media content of terminal plays, carry out 3018.
3016,, when terminal and streaming media server are all supported to upgrade media content information, streaming media server need to send to described terminal to the coding parameter of the media content of terminal plays by the described next one.
The video code model of supposing new media content is MP4V, and streaming media server just sends to terminal by coded format MP4V.For the ease of terminal, receive that can to identify after data be that the described next one need to be to the media data of the media content of terminal plays, the described next one need to together can also be sent to terminal to sequence number, the timestamp of the RTP bag of the media content of terminal plays.
Described in this step, the described next one need to be sent to the mode of described terminal to the coding parameter of the media content of terminal plays can be following two kinds of modes:
The first, when terminal and streaming media server all support to use signalling path to upgrade media content information, streaming media server need to send to described terminal by sending signaling message to the coding parameter of the media content of terminal plays by the described next one.
By sending the mode of signaling message, send media coding parameter, need to have the request of terminal could send described signaling message, be suitable for the situation of clean culture.
The second, when terminal and streaming media server all support that usage data passage upgrades media content information, streaming media server need to send to described terminal by sending packet to the coding parameter of the media content of terminal plays by the described next one.
By sending the mode of packet, send media coding parameter, can not need the request of terminal also can send, be suitable for the situation of multicast.
For server side playlist arranging system, because having machine-processed notification terminal, streaming media server upgrades media data encoding information, server side playlist arranging system does not just need to be concerned about the coding parameter of media content in playlist so, directly carry out layout, server side playlist arranging system also need to not carry out different codings for same media content and meet business demand, thereby can save the disk storage space of system.
When in middle-end and streaming media server, one or both ends are not supported to upgrade media content information, flow process finishes.
3017, after first media content is play and finished, streaming media server is according to playlist switching media content.
3018, streaming media server need to be to the media content of terminal plays to the next one described in terminal plays.
For server side playlist arranging system, if the coding parameter of the media content in described playlist is all identical, server side playlist arranging system does not just need to be concerned about the coding parameter of media content in playlist so, directly carry out layout, server side playlist arranging system also need to not carry out different codings for same media content and meet business demand, thereby can more save the disk storage space of system.
3019, terminal is play after message receiving, stream of reply media server 200OK message.
3020, terminal according to the described next one need to the coding parameter of the media content of terminal plays decode play the described next one need to be to the media content of terminal plays.
The method that realizes server side playlist that the present embodiment provides, in information interactive process, terminal and streaming media server have carried out upgrading the negotiation of media content information ability, streaming media server has got the decoding of terminal and has supported to upgrade the service ability such as media content information, like this in to the service process of terminal, when the coded message of media data changes, streaming media server can be when program switches by next need to need to sign to the initial data bag of the media content data of terminal plays to the coded message of the media content of terminal plays and the described next one described in message or special packet notification terminal, and terminal is receiving that the described next one need to be after the coded message of the media content of terminal plays, do not need to resend the playing request message of new media content, terminal can be used the new coded message need to be to the broadcasting of decoding of the media content of terminal plays to the described next one.Thereby terminal can not upgraded because of the coding parameter of media content data, and occurs decoding error, broadcast interface presents the phenomenon of blank screen.
Streaming media server has got the service ability of terminal in information interactive process, so when media content code check does not mate with the code check of terminal, it is that terminal is served that streaming media server also can be chosen suitable code check, thereby improves terminal use's result of broadcast.
Streaming media server can detect in playlist next need to be to the coding parameter of the media content of terminal plays, when the described next one need to be different to the coding parameter of the media content of terminal plays with terminal to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, streaming media server sends the described next one to terminal need to be to the coding parameter of the media content of terminal plays, terminal receives the described next one need to be after the coding parameter of the media content of terminal plays, according to the described next one, need to decode the described next one to the coding parameter of the media content of terminal plays need to be to the media content of terminal plays, show that the described next one need to be to the picture of the media content of terminal plays.It is the server side playlist with the media content of different coding parameter that technical scheme of the present invention can realize listing file, streaming media server can be according to a plurality of media contents of listed files played in order of server end appointment, and the information interactive process in implementation procedure is fairly simple.
The embodiment of the present invention provides a kind of server of realizing server side playlist, as shown in Figure 4, comprising: detecting unit 41, transmitting element 42.
Described detecting unit 41 detect next in playlists need to be to the coding parameter of the media content of terminal plays.When the described next one need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, described transmitting element 42 need to send to described terminal to the coding parameter of the media content of terminal plays by the described next one.
Described in the present embodiment, realize the server of server side playlist, streaming media server is in to the service process of terminal, described detecting unit detect next need to be to the coding parameter of the media content of terminal plays, when the coded message of media content changes, next described in the transmitting element notification terminal of streaming media server need to need to be to the initial data bag sign of the media content data of terminal plays to the coded message of the media content of terminal plays and the described next one, and terminal is receiving that the described next one need to be after the coded message of the media content of terminal plays, do not need to resend the playing request message of new media content, terminal can be used the new coded message need to be to the broadcasting of decoding of the media content of terminal plays to the described next one.Thereby terminal can not upgraded because of the coding parameter of media content data, and occurs decoding error, broadcast interface presents the phenomenon of blank screen.It is the server side playlist with the media content of different coding parameter that technical scheme of the present invention can realize server side playlist file, streaming media server can be according to a plurality of media contents of listed files played in order of server end appointment, and the information interactive process in implementation procedure is fairly simple.
A kind of improvement as the present embodiment, the invention provides the server that another kind is realized server side playlist, as shown in Figure 5, comprising: receiving element 51, record cell 52, detecting unit 53, transmitting element 54.
Whether described transmitting element 54 supports that according to streaming media server upgrading media content information sends response message to terminal.When media content information is upgraded in streaming media server support, described transmitting element 54 sends and carries the response message that the sign of media content information is upgraded in streaming media server support.When streaming media server is not supported to upgrade media content information, described transmitting element 54 sends and carries the response message that streaming media server does not support to upgrade the sign of media content information.In terminal, send out after the message of describing terminal capability, the request message of the description terminal capability that described receiving element 51 receiving terminals send, described record cell 52 records the terminal ability information of describing in described message, as streaming media server, selects the foundation to terminal plays media content.Described transmitting element 54 sends acknowledge message to terminal.In terminal, send out after the request of describing media content.Streaming media server is according to the play rules of playlist, and structure is replied the message of terminal.Described message can be SDP information, and in described SDP information, carries whole duration informations of media content in the coding parameter of described media content and playlist.Described transmitting element 54 sends the SDP information of carrying the whole duration informations that contain media content in media content coding parameter and playlist to terminal.In terminal, send and set up after the request of media data sendaisle, described transmitting element 44 sends notification terminal and sets up the successful message of media data sendaisle.In terminal, to streaming media server, send playing request, request starts to play after media content, and described transmitting element 54 sends plays successful message to terminal.Described transmitting element 54 is to the media content in playlist described in terminal plays.The coded format of supposing first media content video data is H263, and terminal can be shown media content by normal decoder.
Described detecting unit 53 detect next in playlists need to be to the coding parameter of the media content of terminal plays.When the described next one need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, described transmitting element 54 need to send to described terminal to the coding parameter of the media content of terminal plays by the described next one.For the ease of terminal, receive that can to identify after data be that the described next one need to be to the media data of the media content of terminal plays, the described next one need to together can also be sent to terminal to sequence number, the timestamp of the RTP bag of the media content of terminal plays.After first media content broadcasting finishes, streaming media server is according to playlist switching media content.Described transmitting element 54 need to be to the media content of terminal plays to the next one described in terminal plays.Terminal according to the described next one need to the coding parameter of the media content of terminal plays decode play the described next one need to be to the media content of terminal plays.
When the described next one need to be to the coding parameter of the media content of terminal plays when identical to the coding parameter of the media content of terminal plays, described transmitting element 54 to next described in terminal plays need to be to the media content of terminal plays.Terminal is decoded the described next one of broadcasting according to original coding parameter need to be to the media content of terminal plays.
The device of realizing server side playlist that the present embodiment provides, in information interactive process, terminal and streaming media server have carried out upgrading the negotiation of media content information ability, streaming media server has got the decoding of terminal and has supported to upgrade the service ability such as media content information, like this in to the service process of terminal, when the coded message of media data changes, streaming media server can be when program switches by next need to need to sign to the initial data bag of the media content data of terminal plays to the coded message of the media content of terminal plays and the described next one described in message or special packet notification terminal, and terminal is receiving that the described next one need to be after the coded message of the media content of terminal plays, do not need to resend the playing request message of new media content, terminal can be used the new coded message need to be to the broadcasting of decoding of the media content of terminal plays to the described next one.Thereby terminal can not upgraded because of the coding parameter of media content data, and occurs decoding error, broadcast interface presents the phenomenon of blank screen.
Streaming media server has got the service ability of terminal in information interactive process, so when media content code check does not mate with the code check of terminal, it is that terminal is served that streaming media server also can be chosen suitable code check, thereby improves terminal use's result of broadcast.
Streaming media server can detect in playlist next need to be to the coding parameter of the media content of terminal plays, when the described next one need to be different to the coding parameter of the media content of terminal plays with terminal to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, streaming media server sends the described next one to terminal need to be to the coding parameter of the media content of terminal plays, terminal receives the described next one need to be after the coding parameter of the media content of terminal plays, according to the described next one, need to decode the described next one to the coding parameter of the media content of terminal plays need to be to the media content of terminal plays, show that the described next one need to be to the picture of the media content of terminal plays.It is the server side playlist with the media content of different coding parameter that technical scheme of the present invention can realize listing file, streaming media server can be according to a plurality of media contents of listed files played in order of server end appointment, and the information interactive process in implementation procedure is fairly simple.
The embodiment of the present invention provides a kind of system that realizes server side playlist, as shown in Figure 6, comprising: streaming media server 61, terminal 62.
Streaming media server 61 detects the coding parameter of the next media content that need to play to terminal 62 in playlist; The coding parameter of the media content that need to play to terminal 62 when the described next one is when different to the coding parameter of the media content of terminal 62 broadcastings, before media content from terminal 62 to the described next one of terminal 62 broadcasting that need to play to, the coding parameter of the media content that described streaming media server 61 need to be play the described next one to terminal 52 sends to described terminal 62.The coding parameter of the media content that the described next one of terminal 62 reception need to be play to terminal 62, and according to the next media content that need to play to terminal 62 described in the coding parameter information decoding receiving.
Described in the present embodiment, realize the system of server side playlist, streaming media server is in to the service process of terminal, detect next need to be to the coding parameter of the media content of terminal plays, when the coded message of media content changes, next described in streaming media server notification terminal need to need to be to the initial data bag sign of the media content data of terminal plays to the coded message of the media content of terminal plays and the described next one, and terminal is receiving that the described next one need to be after the coded message of the media content of terminal plays, do not need to resend the playing request message of new media content, terminal can be used the new coded message need to be to the broadcasting of decoding of the media content of terminal plays to the described next one.Thereby terminal can not upgraded because of the coding parameter of media content data, and occurs decoding error, broadcast interface presents the phenomenon of blank screen.It is the server side playlist with the media content of different coding parameter that technical scheme of the present invention can realize server side playlist file, streaming media server can be according to a plurality of media contents of listed files played in order of server end appointment, and the information interactive process in implementation procedure is fairly simple.
As a kind of improvement of the present embodiment, the embodiment of the present invention provides another kind to realize the system of server side playlist, comprising: streaming media server, terminal.
Described streaming media server receives media content type of coding, the information of code check of description terminal support and records the media content type of coding of described terminal support, the information of code check.Streaming media server matches to media content type of coding, the code check of type of coding, code check and the described terminal support of the media content of terminal plays.The request of described streaming media server receiving terminal is described described in the information and sending of media content in playlist in playlist in the coding parameter information of first media content and described playlist the message of whole duration informations of all media contents to terminal.Described streaming media server detect next in playlist need to be to the coding parameter of the media content of terminal plays, when the described next one need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, described streaming media server need to send to described terminal by sending signaling message to the coding parameter of the media content of terminal plays by the described next one; Or described streaming media server need to send to described terminal by sending packet to the coding parameter of the media content of terminal plays by the described next one.Terminal receives the described next one need to be to the coding parameter of the media content of terminal plays, and according to next described in the coding parameter information decoding receiving need to be to the media content of terminal plays.When described streaming media server detects the described next one need to be to the coding parameter of the media content of terminal plays when identical to the coding parameter of the media content of terminal plays, described streaming media server is complete after the media content of terminal plays to terminal plays, to next described in terminal plays need to be to the media content of terminal plays.
The system that realizes server side playlist that the present embodiment provides, in information interactive process, streaming media server has got the decoding of terminal and has supported to upgrade the service ability such as media content information, like this in to the service process of terminal, when the coded message of media data changes, streaming media server can be when program switches by next need to need to sign to the initial data bag of the media content data of terminal plays to the coded message of the media content of terminal plays and the described next one described in message or special packet notification terminal, and terminal is receiving that the described next one need to be after the coded message of the media content of terminal plays, do not need to resend the playing request message of new media content, terminal can be used the new coded message need to be to the broadcasting of decoding of the media content of terminal plays to the described next one.Thereby terminal can not upgraded because of the coding parameter of media content data, and occurs decoding error, broadcast interface presents the phenomenon of blank screen.
Streaming media server has got the service ability of terminal in information interactive process, so when media content code check does not mate with the code check of terminal, it is that terminal is served that streaming media server also can be chosen suitable code check, thereby improves terminal use's result of broadcast.
Streaming media server can detect in playlist next need to be to the coding parameter of the media content of terminal plays, when the described next one need to be different to the coding parameter of the media content of terminal plays with terminal to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, streaming media server sends the described next one to terminal need to be to the coding parameter of the media content of terminal plays, terminal receives the described next one need to be after the coding parameter of the media content of terminal plays, according to the described next one, need to decode the described next one to the coding parameter of the media content of terminal plays need to be to the media content of terminal plays, show that the described next one need to be to the picture of the media content of terminal plays.It is the server side playlist with the media content of different coding parameter that technical scheme of the present invention can realize listing file, streaming media server can be according to a plurality of media contents of listed files played in order of server end appointment, and the information interactive process in implementation procedure is fairly simple.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the described protection range with claim.
Claims (14)
1. a method that realizes server side playlist, is characterized in that, comprising:
The message of media content is described in receiving terminal request;
Send the message of whole duration informations of all media contents in the coding parameter information of first media content in described playlist and described playlist;
Detect next in playlist need to be to the coding parameter of the media content of terminal plays;
When the described next one need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, the described next one need to need to be sent to described terminal to the initial data bag sign of the media content data of terminal plays to the coding parameter of the media content of terminal plays and the described next one, so that described terminal is receiving that the described next one need to be after the coding parameter of the media content of terminal plays, not needing to resend the described next one need to be to the playing request message of the media content of terminal plays, terminal is used the new coding parameter need to be to the broadcasting of decoding of the media content of terminal plays to the described next one.
2. the method that realizes server side playlist according to claim 1, it is characterized in that, describedly need to send to described terminal to be to the coding parameter of the media content of terminal plays the described next one: by sending signaling message, the described next one need to be sent to described terminal to the coding parameter of the media content of terminal plays; Or
By sending packet, the described next one need to be sent to described terminal to the coding parameter of the media content of terminal plays.
3. the method that realizes server side playlist according to claim 2, is characterized in that, describe the message of media content in receiving terminal request before, described method also comprises:
Receive the media content type of coding of describing terminal and supporting, the information of code check;
Record the media content type of coding of described terminal support, the information of code check;
Media content type of coding, code check to type of coding, code check and the described terminal support of the media content of terminal plays match.
4. the method that realizes server side playlist according to claim 3, is characterized in that, describe the message of media content in receiving terminal request before, described method also comprises:
The request message of the sign of media content information is upgraded in the support that receiving terminal sends;
Send streaming media server support and upgrade the response message of the sign of media content information.
5. the method that realizes server side playlist according to claim 4, is characterized in that, being designated of described renewal media content information: use signalling path to upgrade the sign of media content information; Or
Usage data passage upgrades the sign of media content information.
6. the method that realizes server side playlist according to claim 1, it is characterized in that, when the described next one need to be to the coding parameter of the media content of terminal plays when identical to the coding parameter of the media content of terminal plays, complete after the media content of terminal plays to terminal plays, to next described in terminal plays need to be to the media content of terminal plays.
7. a server of realizing server side playlist, is characterized in that, comprising:
Receiving element, describes the message of media content for receiving terminal request;
Detecting unit, for detection of next in playlist need to be to the coding parameter of the media content of terminal plays;
Transmitting element, for need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays when the described next one, to next described in terminal plays need to be before the media content of terminal plays, the described next one need to need to be sent to described terminal to the initial data bag sign of the media content data of terminal plays to the coding parameter of the media content of terminal plays and the described next one, so that described terminal is receiving that the described next one need to be after the coding parameter of the media content of terminal plays, not needing to resend the described next one need to be to the playing request message of the media content of terminal plays, terminal is used the new coding parameter need to be to the broadcasting of decoding of the media content of terminal plays to the described next one,
Described transmitting element is also for sending the message of whole duration informations of all media contents in the coding parameter information of described first media content of playlist and described playlist.
8. the server of realizing server side playlist according to claim 7, it is characterized in that, described transmitting element need to send to described terminal to be to the coding parameter of the media content of terminal plays the described next one: transmitting element need to send to described terminal by sending signaling message to the coding parameter of the media content of terminal plays by the described next one; Or
Transmitting element need to send to described terminal by sending packet to the coding parameter of the media content of terminal plays by the described next one.
9. the server of realizing server side playlist according to claim 8, is characterized in that, described server also comprises:
Record cell, for recording the media content type of coding of described terminal support, the information of code check;
Described receiving element is also for receiving the media coding type of describing terminal and supporting, the information of code check;
Streaming media server matches to media content type of coding, the code check of the terminal support of type of coding, code check and the described recording unit records of the media content of terminal plays.
10. the server of realizing server side playlist according to claim 9, is characterized in that,
Described receiving element also upgrades the request message of the sign of media content information for receiving carried terminal support;
Described transmitting element also carries for sending the response message that the sign of media content information is upgraded in streaming media server support.
11. 1 kinds of systems that realize server side playlist, is characterized in that, comprising:
Streaming media server, describes the message of media content for receiving terminal request, and send the message of whole duration informations of all media contents in the coding parameter information of first media content in described playlist and described playlist, and detect in playlist next need to be to the coding parameter of the media content of terminal plays, when the described next one need to be to the coding parameter of the media content of terminal plays when different to the coding parameter of the media content of terminal plays, to next described in terminal plays need to be before the media content of terminal plays, the described next one need to need to be sent to described terminal to the initial data bag sign of the media content data of terminal plays to the coding parameter of the media content of terminal plays and the described next one, so that described terminal is receiving that the described next one need to be after the coding parameter of the media content of terminal plays, not needing to resend the described next one need to be to the playing request message of the media content of terminal plays, terminal is used the new coding parameter need to be to the broadcasting of decoding of the media content of terminal plays to the described next one,
Terminal, need to be to the coding parameter of the media content of terminal plays for receiving the described next one, and according to next described in the coding parameter information decoding receiving need to be to the media content of terminal plays.
12. systems that realize server side playlist according to claim 11, it is characterized in that, described streaming media server need to send to described terminal to be to the coding parameter of the media content of terminal plays the described next one: streaming media server need to send to described terminal by sending signaling message to the coding parameter of the media content of terminal plays by the described next one; Or
Streaming media server need to send to described terminal by sending packet to the coding parameter of the media content of terminal plays by the described next one.
13. systems that realize server side playlist according to claim 12, it is characterized in that, described streaming media server, also for before describing the message of media content in receiving terminal request, receives media content type of coding, the information of code check of description terminal support and records the media content type of coding of described terminal support, the information of code check;
Described streaming media server matches to media content type of coding, the code check of type of coding, code check and the described terminal support of the media content of terminal plays.
14. systems that realize server side playlist according to claim 12, it is characterized in that, when described streaming media server detects the described next one need to be to the coding parameter of the media content of terminal plays when identical to the coding parameter of the media content of terminal plays, described streaming media server is complete after the media content of terminal plays to terminal plays, to next described in terminal plays need to be to the media content of terminal plays.
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| CN102625076A (en) * | 2012-04-06 | 2012-08-01 | 高剑平 | Streaming media-based television interactive video response method and system |
| CN102779544B (en) * | 2012-07-25 | 2016-01-06 | Tcl集团股份有限公司 | A kind of method and apparatus of generated media information list |
| CN103856806B (en) * | 2012-11-28 | 2018-05-01 | 腾讯科技（北京）有限公司 | Video stream switching method, apparatus and system |
| CN105915539B (en) * | 2016-05-31 | 2019-03-19 | 微梦创科网络科技（中国）有限公司 | A kind of streaming media parameter monitoring method and device |
| CN106792105B (en) * | 2016-11-30 | 2020-02-14 | 青岛海信电器股份有限公司 | Playing processing method and device for optical disk image ISO audio/video file and television |
| CN108966000B (en) * | 2018-07-17 | 2021-01-29 | 北京世纪好未来教育科技有限公司 | Playing method and device, medium and terminal thereof |
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