CN104702979A - IPTV (Internet Protocol Television)-based replay method and system and relevant equipment - Google Patents
IPTV (Internet Protocol Television)-based replay method and system and relevant equipment Download PDFInfo
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- CN104702979A CN104702979A CN201310656044.5A CN201310656044A CN104702979A CN 104702979 A CN104702979 A CN 104702979A CN 201310656044 A CN201310656044 A CN 201310656044A CN 104702979 A CN104702979 A CN 104702979A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/64322—IP
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2747—Remote storage of video programs received via the downstream path, e.g. from the server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
Abstract
The invention discloses an IPTV (Internet Protocol Television)-based replay method. The method comprises the following steps: receiving a recording request by a streaming media server; recording a channel program with channel identification information according to the channel identification information and recording time period information carried in the recording request in a recording time period, and forming media data; and when a recording playing request is received, determining media data to be played in the recorded media data according to the channel identification information, starting time and ending time corresponding to the program carried by the playing request, and transmitting the media data to be played. Meanwhile, the invention further discloses an IPTV-based replay system and relevant equipment.
Description
Technical field
The present invention relates to video and review technology, be specifically related to method of reviewing, system and the relevant device of a kind of protocol TV Network Based (IPTV, InternetProtocol Television).
Background technology
IPTV system is owing to both can provide TV programme live (LTV, LIVE TV), video request program (VOD, VIDEO ON DEMAN), review (TVOD, TV ON DEMAN), time-moving television program request (TSTV, Time-Shifted TV), the basic service such as TV network surfing (Web-TV), can provide as various video added value services such as video instant messaging, television short message, interactive advertisement, game on line, online shopping again, and be subject to the welcome of users.
Wherein, business of reviewing, as the real-time a kind of method of service recorded live television programming, store, can be selected to review for user in the near future at any time, and more by the favor of user.
Fig. 1 is the composition structural representation of IPTV system; As shown in Figure 1, reviewing business processing flow relates to lower part: Content Management System (CMS, Content Management System), content delivering system (CDN, Content Delivery Network), electronic program system (EPG, ElectronicProgram) and terminal; Described terminal comprises: network machine top box (STB, Network Set-Top Box), PC (PC, Personal Computer) and mobile terminal are as mobile phone etc.
Fig. 2 is the schematic flow sheet that existing IPTV realizes business of reviewing, and as shown in Figure 2, reviews business processing flow and comprises:
Step 201:CMS issues broadcast program list to CDN;
Here, described programme records: programme content mark Content Id, time started begin Time, the end time end Time of the corresponding channel of channel identication Channel Id, program.
The programme content of streaming media server to the channel with Channel Id channel identication that step 202:CDN receives in programme, specifically CDN is recorded and forms media data, preserves described media data; And report recording result to CMS.
Programme is issued to EPG by step 203:CDN;
Programme is shown to terminal by step 204:EPG, when terminal is wanted to watch certain section of recorded content, sends playing request to EPG;
The programme content mark Content Id carried in playing request, according to the playing request of terminal, is assembled in URL(uniform resource locator) (URL, Uniform Resource Locator), described URL is fed back to terminal by step 205:EPG;
Step 206: the URL that terminal is fed back according to EPG, asks media data to CDN.
Step 207:CDN selects streaming media server to be this Terminal Service, and this streaming media server determines asked media data according to described URL, transmits described media data to terminal.
Step 208: terminal shows described media data by display.
In existing handling process, when the normal play plan of certain channel there occurs change, need to make corresponding renewal to programme; And during the renewal rewards theory of programme, what relate between more equipment is mutual, as needs CMS issues to CDN side change of plan request of recording, and when a performance recording completes after, changes and seem especially difficult.Therefore to CDN, participate in the renewal rewards theory of programme, add the task amount of CDN undoubtedly.
Summary of the invention
In view of this, the main purpose of the embodiment of the present invention is to provide a kind of method of reviewing based on IPTV, system and relevant device, can reduce the burden of CDN, accelerates the processing speed of IPTV system, promotes treatment effeciency.
For achieving the above object, the technical scheme of the embodiment of the present invention is achieved in that
What embodiments provide a kind of protocol television IPTV Network Based reviews method, and described method comprises:
Streaming media server receives recording request;
According to the channel ID information carried in described recording request, record period information, within the described recording period, the channel program with described channel ID information is recorded and forms media data;
When receiving recording playing request, in recorded media data, according to the channel ID information carried in described playing request, time started and end time, determining media data to be played, transmitting described media data to be played.
What the embodiment of the present invention additionally provided a kind of protocol television IPTV Network Based reviews method, and described method comprises:
Content Management System CMS is that channel fix records period information, and sends the recording request carrying channel ID information, described recording period information;
According to the broadcasting demand of IPTV, generate programme, and send described programme;
Wherein, described programme records: program identification, the time started that the channel ID information that program is corresponding, program are corresponding on channel, end time.
In such scheme, described method also comprises:
Described CMS sends programme update request.
What the embodiment of the present invention additionally provided a kind of protocol television IPTV Network Based reviews method, and described method comprises:
Electronic program system EPG program receiving list also shows;
When receiving program playing request, according to the program identification of this program carried in described playing request, determine the channel ID information of this program, time started, end time, and are assembled in uniform resource position mark URL described channel ID information, time started and described end time, and return described URL.
In such scheme, described method also comprises:
When described EPG receives programme update request, according to the renewal indication information carried in described update request, programme is upgraded, and the programme after display update.
What the embodiment of the present invention additionally provided a kind of protocol television IPTV Network Based reviews method, and described method comprises:
Content Management System CMS be channel fix record period information, and send carry channel ID information, described recording period information recording request to content delivering system CDN;
Described CDN issues recording request to corresponding streaming media server according to the content distribution mechanism preset;
Described streaming media server receives recording request, according to the channel ID information carried in described recording request, records period information, within the described recording period, records and form media data to the channel program with described channel ID information;
Described CMS, according to the broadcasting demand of IPTV, generates programme, and sends described programme to electronic program system EPG;
Described EPG program receiving list also shows, when receiving the program playing request of terminal, according to the program identification of this program carried in described playing request, determine time started that the channel ID information of this program, program are corresponding on this channel, end time be sent to described terminal;
Described streaming media server is when receiving the recording playing request that described terminal sends, in recorded media data, according to the channel ID information corresponding with described program carried in described playing request, time started and end time, determine media data to be played, transmit described media data to be played to described terminal;
Wherein, described programme records: program identification, the time started that the channel ID information that program is corresponding, program are corresponding on channel, end time.
Embodiments provide a kind of streaming media server, described streaming media server comprises: the first receiving element, recording elements, the second receiving element, determining unit, transmission unit; Wherein,
Described first receiving element, for receiving recording request;
Described recording elements, for according to the channel ID information carried in described recording request, recording period information, within the described recording period, records the channel program with described channel ID information and forms media data;
Described second receiving element, for receiving recording playing request;
Described determining unit, in recorded media data, according to the channel ID information carried in described playing request, time started and end time, determines media data to be played;
Described transmission unit, for transmitting described media data to be played.
Embodiments provide a kind of Content Management System, described system comprises: setting unit, the first transmitting element, generation unit and the second transmitting element; Wherein,
Described setting unit, for recording period information for channel fix;
Described first transmitting element, for sending the recording request carrying channel ID information, described recording period information;
Described generation unit, for the broadcasting demand according to IPTV, generates programme;
Described second transmitting element, for sending described programme;
Wherein, described programme records: program identification, the time started that the channel ID information that program is corresponding, program are corresponding on this channel, end time.
In such scheme, described second transmitting element, also for sending programme update request.
The embodiment of the present invention additionally provides a kind of electronic program system, and described system comprises: receive with display unit, receiving element, determine and transmitting element; Wherein,
Described reception and display unit, show for program receiving list;
Described receiving element, for program receiving playing request;
Describedly to determine and transmitting element, for the program identification according to this program carried in described playing request, determine the channel ID information of this program, time started, end time, and are assembled in uniform resource position mark URL described channel ID information, time started, end time, and return described URL.
In such scheme, described system also comprises: upgrade and display unit;
Described receiving element, also for programme update request;
Described renewal and display unit, for according to the renewal indication information carried in described update request, upgrade programme, and the programme after display update.
What the embodiment of the present invention additionally provided a kind of protocol television IPTV Network Based reviews system, and described system comprises: Content Management System CMS, content delivering system CDN, streaming media server, electronic program system EPG; Wherein,
Described CMS, for recording period information for channel fix, and sends the recording request extremely described CDN carrying channel ID information, described recording period information;
Described CDN, for issuing recording request to corresponding streaming media server according to the content distribution mechanism preset;
Described streaming media server, for receiving recording request, according to the channel ID information carried in described recording request, recording period information, within the described recording period, records and form media data to the channel program with described channel ID information;
Described CMS, for the broadcasting demand according to IPTV, generates programme, and sends described programme to electronic program system EPG;
Described EPG, show for program receiving list, when receiving the program playing request of terminal, according to the program identification of this program carried in described playing request, determine time started that the channel ID information of this program, program are corresponding on this channel, end time be sent to described terminal;
Described streaming media server, for when receiving the recording playing request that described terminal sends, in recorded media data, according to the channel ID information corresponding with described program carried in described playing request, time started and program end time, determine media data to be played, transmit described media data to be played to described terminal;
Wherein, described programme records: program identification, the time started that the channel ID information that program is corresponding, program are corresponding on channel, end time.
The method of reviewing based on IPTV that the embodiment of the present invention provides, system and relevant device, streaming media server receives recording request; According to the channel ID information carried in described recording request, record period information, within the described recording period, the channel program with described channel ID information is recorded and forms media data; When receiving recording playing request, in recorded media data, according to the channel ID information corresponding with described program carried in described playing request, time started and end time, determine media data to be played, transmit described media data to be played.Streaming media server is positioned at CDN side, and CDN side no longer manages programme, and the information only need carried according to recording request carries out recording, and so, just alleviates the burden of CDN, and then promotes the processing speed of IPTV system; When providing media data for terminal, the streaming media server in CDN to corresponding media data, accelerates the search efficiency of CDN according to channel ID information, time started and end time etc. enough information searching.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of IPTV system;
Fig. 2 is the schematic flow sheet that existing IPTV realizes business of reviewing;
Fig. 3 is the realization flow schematic diagram of the method for reviewing based on IPTV of the embodiment of the present invention one;
Fig. 4 is the mutual schematic diagram of the method for reviewing based on IPTV of the embodiment of the present invention one;
Fig. 5 is the realization flow schematic diagram of the method for reviewing based on IPTV of the embodiment of the present invention two;
Fig. 6 is the realization flow schematic diagram of the method for reviewing based on IPTV of the embodiment of the present invention three;
Fig. 7 is the realization flow schematic diagram of the method for reviewing based on IPTV of the embodiment of the present invention four;
Fig. 8 is the composition of the system of reviewing based on the IPTV structural representation of the embodiment of the present invention;
Fig. 9 is the composition structural representation of the streaming media server in the system of the embodiment of the present invention;
Figure 10 is the composition structural representation of the CMS in the system of the embodiment of the present invention;
Figure 11 is the composition structural representation of the EPG in the system of the embodiment of the present invention;
Figure 12 is the composition structural representation of the streaming media server of the embodiment of the present invention;
Figure 13 is the composition structural representation of the CMS of the embodiment of the present invention;
Figure 14 is the composition structural representation of the EPG of the embodiment of the present invention.
Embodiment
The embodiment of the present invention one provides a kind ofly reviews method based on IPTV, and the communication entity that described method relates to mainly comprises: the streaming media server in CMS, CDN, CDN and EPG; As shown in Figure 3, described method comprises:
Step 300:CMS be channel fix record period information, and send carry channel ID information, described recording period information recording request to CDN.
Here, when arranging the recording time section of channel, the preservation duration etc. of recorded content can also be set.
Step 301:CDN issues described recording request to corresponding streaming media server according to the content distribution mechanism preset.
Here, described CDN selects certain or some streaming media servers to record according to described content distribution mechanism.
Step 302: described streaming media server receives recording request, according to the channel ID information carried in described recording request, record period information, within the described recording period, the channel program with described channel ID information is recorded and forms media data.
Here, after having recorded, described streaming media server can report according to the reporting policy pre-set records result to described CDN; As described in reporting policy can be: when recording successfully, report recording result, CDN is according to reporting mechanism to report CMS.
Step 303: described CMS, according to the broadcasting demand of IPTV, generates programme, and sends described programme to EPG.
Here, described CMS, according to described recording result, generates programme.
Step 304: described EPG program receiving list also shows, when receiving the program playing request of terminal, according to the program identification of this program carried in described playing request, determine the end time that the time started of the channel ID information of this program, program correspondence on channel, program are corresponding on channel and be assembled in URL, described URL is back to described terminal.
Step 305: described streaming media server is when receiving the recording playing request that described terminal sends, in recorded media data, according to the channel ID information corresponding with described program carried in described playing request, time started and end time, determine media data to be played, transmit described media data to be played to described terminal.
Wherein, described programme records: program identification Content ID, the time started begin Time of the corresponding channel of the channel identication Channel Id that program is corresponding, program, the end time endTime of the corresponding channel of program.
In embodiment one, described method also comprises:
Described terminal shows described media data by display.
In the embodiment of the present invention one, CDN does not participate in the management of programme, only needing the recording request according to receiving to record channel program, so, just alleviating the burden of CDN.
Fig. 4 is the mutual schematic diagram of the method for reviewing based on IPTV of the embodiment of the present invention one; In Fig. 4, involved communication entity mainly comprises: CMS, CDN, streaming media server, EPG and terminal; Below in conjunction with Fig. 4, the technical scheme of the embodiment of the present invention one is described further.
Step 401:CMS is to the channel fix recorded information of IPTV system; Described recorded information comprises: the recording period information of channel ID information, this channel and the preservation duration of recorded content.
Here, give an example, arranging channel 1, to record the period be record the whole day programme content of 24 hours, and the recording period arranging channel 2 is the programme content recording 7:00:00-23:59:59, and the preservation duration arranging channel 1,2 recorded content is one week.
The recording request carrying recorded information is sent to CDN by step 402:CMS;
Step 403:CDN receives described recording request, and according to the content distribution mechanism preset and recorded information, issues recording task and forward described recording request to corresponding streaming media server.
Here, content distribution mechanism can enough meet for recording task being handed down to capacity the streaming media server treating program recording capacity.
Step 404: streaming media server receives described recording request, according to described recorded information, records the programme content of specified channel, and forms media data;
Step 405: streaming media server reports records result to CDN.
Here timing reporting schemes can be adopted: report the recording result in the last cycle in timing length, if timing length is 10 minutes, during 8:00, report the recording result of 7:50-8:00, during 8:10, report the recording result of 8:00-8:10; Consider that system has certain time delay in actual applications, in embodiments of the present invention, allow the recording result reporting 7:50-8:00 during 8:06.
Step 406:CDN performs management to the recording result that each streaming media server reports.
As repaired the failed node of recording: carry out according to the recording result of each streaming media server the recording result that general analyzes obtains self, and the recording result of self is reported CMS.Here, the management of concrete CDN to each streaming media server refers to the explanation of prior art, repeats no more.
Step 407:CMS, according to the broadcasting demand of each channel, generates programme, and programme is issued to EPG.
Here, described programme: programme content mark Content ID, the channel identication Channel Id that programme content is corresponding, programme content is at time started begin Time, the end time end Time etc. of corresponding channel.
Step 408:EPG receives described programme, and described programme is shown to terminal.
When step 409:EPG receives the program playing request of terminal, according to the program identification of this program carried in described playing request, determine the end time of the time started of the corresponding channel of the channel ID information of this program, program, the corresponding channel of program; And determined channel ID information, time started and end time are assembled in URL, be back to described terminal.
Here, described in be assembled into URL detailed process refer to the explanation of prior art, repeat no more.
Step 410: when terminal receives described URL, sends to CDN and records playing request.
When step 411:CDN receives described playing request, streaming media server is selected to be described Terminal Service.
Step 412: described streaming media server is according to the channel ID information corresponding with described program carried in described playing request, time started and end time, determine the media data asking to play, and transmit described media data to be played to described terminal.
Step 413: media data described in described terminal demonstration.
In embodiment one, described method also comprises:
Described CMS, according to the recording change request of channel, issues programme update request to described EPG;
Accordingly, described EPG, when receiving the programme update request that described CMS sends, according to the renewal indication information carried in described update request, upgrades described programme, and the programme after display update.
Here, described renewal indication information can comprise: Channel Id, ContentID belonging to content to be updated, begin Time, end Time etc.
Described method also comprises: CMS performs lower wire management to programme, and notice EPG rolls off the production line some program; Namely described CMS sends program removal request to described EPG.
Accordingly, when described EPG receives the program removal request of CMS transmission, delete the program in programme with the program identification Content Id to be deleted carried in described removal request, the programme after renewal is shown to terminal by described EPG.
In such scheme, CDN does not participate in the management of programme, only needing the recording request according to receiving to record channel program, so, just alleviating the burden of CDN; When providing media data for terminal, the streaming media server in CDN to corresponding media data, accelerates the search efficiency of CDN according to channel ID information, time started and end time etc. enough information searching.
The embodiment of the present invention two provides a kind ofly reviews method based on IPTV, and in the process, involved communication entity mainly comprises: streaming media server; As shown in Figure 5, described method comprises:
Step 501: streaming media server receives recording request.
Step 502: according to the channel ID information carried in described recording request, record period information, within the described recording period, the channel program with described channel ID information is recorded and forms media data.
Step 503: when receiving the recording playing request that terminal sends, in recorded media data, according to the channel ID information carried in described playing request, time started and end time, determine media data to be played, transmit described media data to be played to described terminal.
Here, wherein, described playing request comprises following information: time started on corresponding channel of the channel ID information that program is corresponding, this program and end time.
In embodiment two, the streaming media server in CDN to corresponding media data, accelerates the treatment effeciency of system according to channel ID information, time started and end time etc. enough information searching.
The embodiment of the present invention three provides a kind ofly reviews method based on IPTV, and in the process, involved communication entity mainly comprises: CMS; As shown in Figure 6, described method comprises:
Step 601: described CMS be channel fix record period information, and send carry channel ID information, described recording period information recording request to CDN.
Step 602: according to the broadcasting demand of IPTV, generates programme, and sends described programme to EPG.
Wherein, described programme records: program identification, the channel time started that the channel ID information that program is corresponding, program are corresponding, the channel end time that program is corresponding.
In described CMS side, described method also comprises: described CMS, according to the recording change request of channel, issues programme update request to described EPG.
Described update request carries renewal indication information, and described renewal Indication message can comprise: the Channel Id belonging to content to be updated, Content ID, begin Time, end Time etc.
Described method also comprises: described CMS sends program removal request to described EPG.
In embodiment three, CMS directly issues programme to EPG, without the need to CDN transfer, as can be seen here, alleviates the processing load of CDN.
The embodiment of the present invention four provides a kind ofly reviews method based on IPTV, and in the process, involved communication entity mainly comprises: EPG; As shown in Figure 7, described method comprises:
Step 701: described EPG receives the programme of CMS transmission and shows;
Step 702: when receiving the program playing request of terminal, according to the program identification of this program carried in described playing request, determine the channel ID information of this program, the program time started on corresponding channel, end time, and are assembled in uniform resource position mark URL described channel ID information, time started and described end time, and described URL is back to described terminal.
In described EPG side, when described EPG is when receiving the programme update request that described CMS sends, according to the renewal indication information carried in described update request, described programme is upgraded, and the programme after display update.
In described EPG side, when described EPG receives the program removal request of CMS transmission, delete the program in programme with the program identification Content Id to be deleted carried in described removal request, the programme after renewal is shown to terminal by described EPG.
In embodiment four, EPG receives the programme directly issued by CMS, without the need to forwarding programme to described EPG by CDN, as can be seen here, alleviates the processing load of CDN.
It should be noted that, the understanding of above-described embodiment two, three and embodiment four refers to the related description of previous embodiment one, repeats no more here.
Based on said method, the embodiment of the present invention additionally provides a kind ofly reviews system based on IPTV, and as shown in Figure 8, described system comprises: CMS 81, EPG 82, streaming media server 83 and CDN 84; Wherein,
Described CMS 81, for recording period information for channel fix, and sends the recording request extremely described streaming media server 83 carrying channel ID information, described recording period information.
Here, when arranging the recording time section of channel, the preservation duration etc. of recorded content can also be set.
Described CDN 84, for issuing recording request to corresponding streaming media server 83 according to the content distribution mechanism preset.
Described streaming media server 83, for receiving recording request, according to the channel ID information carried in described recording request, recording period information, within the described recording period, records and form media data to the channel with described channel ID information.
Described CMS 81, for the broadcasting demand of IPTV, generates programme, and sends described programme to described EPG 52.
Described EPG 82, show for program receiving list, when receiving the program playing request of terminal, according to the program identification of this program carried in described playing request, determine the channel ID information of this program, time started, end time be sent to described terminal.
Described streaming media server 83, for when receiving the recording playing request that described terminal sends, in recorded media data, according to the channel ID information corresponding with described program carried in described playing request, time started and end time, determine media data to be played, transmit described media data to be played to described terminal.
Accordingly, described terminal shows described media data by display.
Wherein, as shown in Figure 9, described streaming media server 83 comprises: the first receiving element 831, recording elements 832, second receiving element 833, determining unit 834, transmission unit 835; Wherein,
Described first receiving element 831, for receiving recording request;
Described recording elements 832, for according to the channel ID information carried in described recording request, recording period information, within the described recording period, records the channel program with described channel ID information and forms media data;
Described second receiving element 833, for the recording playing request that receiving terminal sends;
Described determining unit 834, in recorded media data, according to the channel ID information carried in described playing request, time started and end time, determines media data to be played;
Described transmission unit 835, for transmitting described media data to be played.
In actual applications, described first receiving element 831, recording elements 832, second receiving element 833, determining unit 834, transmission unit 835 all can by CPU (CPU, Central ProcessingUnit) or Digital Signal Processing (DSP, Digital Signal Processor) or field programmable gate array (FPGA, Field Programmable Gate Array) etc. realize; Described CPU, DSP, FPGA all can be built in streaming media server.
Wherein, as shown in Figure 10, described CMS 81 comprises: setting unit 811, first transmitting element 812, generation unit 813 and the second transmitting element 814; Wherein,
Described setting unit 811, for recording period information for channel fix;
Described first transmitting element 812, for sending the recording request carrying channel ID information, described recording period information;
Described generation unit 813, for the broadcasting demand according to IPTV, generates programme;
Described second transmitting element 814, for sending described programme.
Described CMS 51 also comprises: described second transmitting element 814, also for sending programme update request.
In actual applications, described setting unit 811, first transmitting element 812, generation unit 813, second transmitting element 814 all can be realized by CPU or DSP or FPGA etc.; Described CPU, DSP, FPGA all can be built in CMS.
Wherein, as described in Figure 11, described EPG 82 comprises: receive with display unit 821, receiving element 822, determine and transmitting element 823; Wherein,
Described reception and display unit 821, show for program receiving list;
Described receiving element 822, for the program playing request of receiving terminal;
Describedly to determine and transmitting element 823, for the program identification according to this program carried in described playing request, determine the channel ID information of this program, time started, end time be sent to described terminal.
Described EPG 82 also comprises: upgrade and display unit 824;
Described receiving element 822, also for receiving the programme update request that CMS 81 sends;
Accordingly, described renewal and display unit 824, for according to the renewal indication information carried in described update request, upgrade programme, and the programme after display update.
In actual applications, described reception and display unit 821, receiving element 822, determine with transmitting element 823, to upgrade and display unit 824 all can be realized by CPU or DSP or FPGA etc.; Described CPU, DSP, FPGA all can be built in EPG.
Below the system of the embodiment of the present invention is described further.
The channel fix recorded information of described CMS 81, specifically described setting unit 811 pairs of IPTV system; Described recorded information comprises: the recording period information of channel ID information, this channel and the preservation duration of recorded content; Described first transmitting element 812 sends the recording request extremely described CDN 84 carrying channel ID information, described recording period information; Described CDN 84 receives described recording request, and according to the content distribution mechanism preset and recorded information, issues recording task and forward described recording request to described streaming media server 83.
Described streaming media server 83, specifically described first receiving element 831 receive described recording request, and trigger described recording elements 832; Described recording elements 832, according to described recorded information, is recorded the programme content of specified channel, and is formed media data.
Described streaming media server 83 also comprises and reports unit (not shown in the figures anticipate out).
Described streaming media server 83, specifically described in report unit to report to record result to described CDN 84.
Described CDN 84 performs management to the recording result that each streaming media server reports, and the recording result after being gathered by own analysis reports described CMS 81.
Described CMS 81, specifically described generation unit 813, according to the broadcasting demand of each channel, generate programme, and programme are issued to described EPG 82.
Described EPG 82, specifically described reception and display unit 821 program receiving list, and described programme is shown to terminal.
Described EPG 82, when specifically described receiving element 822 receives the program playing request of terminal, trigger and describedly to determine and transmitting element 823; Describedly to determine and the program identification of transmitting element 823 according to this program carried in described playing request, determine the channel ID information of this program, time started, end time; And after determined channel ID information, time started and end time are assembled into URL, be back to described terminal.
When described terminal receives described URL, send to described CDN, specifically described streaming media server 83 and record playing request.
Described streaming media server 83, when specifically described second receiving element 833 receives described playing request, trigger described determining unit 834; Described determining unit 834, according to the channel ID information carried in described playing request, time started and end time, determines the media data asking to play, and transmits described media data to be played to described terminal.
Described terminal shows described media data by display.
In embodiments of the present invention, described CMS 81, specifically described second transmitting element 814, according to the recording change request of channel, issue programme update request to described EPG 82;
Accordingly, described EPG 82, specifically described receiving element 822 program receiving list update request, and trigger described renewal and display unit 824; Described renewal and display unit 824, according to the renewal indication information carried in described update request, upgrade described programme, and the programme after display update.
In the embodiment of the present invention, described CMS 81, specifically described second transmitting element 814, send program removal request to described EPG 82.
Accordingly, when described EPG 82, specifically described receiving element 822 receive the program removal request that CMS sends, trigger and delete and display unit (not shown in the figures anticipate out); The program with the program identification Content Id to be deleted carried in described removal request deleted in programme by described deletion and display unit, and the programme after upgrading is shown to terminal.
In such scheme, CDN does not participate in the management of programme, only needing the recording request according to receiving to record channel program, so, just alleviating the burden of CDN; When providing media data for terminal, the streaming media server in CDN to corresponding media data, accelerates the treatment effeciency of CDN according to channel ID information, time started and end time etc. enough information searching.
The embodiment of the present invention additionally provides a kind of streaming media server, and as shown in figure 12, described streaming media server comprises: the first receiving element 121, recording elements 122, second receiving element 123, determining unit 124, transmission unit 125; Wherein,
Described first receiving element 121, for receiving recording request;
Described recording elements 122, for according to the channel ID information carried in described recording request, recording period information, within the described recording period, records the channel program with described channel ID information and forms media data;
Described second receiving element 123, for the recording playing request that receiving terminal sends;
Described determining unit 124, in recorded media data, according to the channel ID information corresponding with described program carried in described playing request, program start time and end time, determines media data to be played;
Described transmission unit 125, for transmitting described media data to be played to described terminal.
The embodiment of the present invention additionally provides a kind of CMS, and as shown in figure 13, described CMS comprises: setting unit 131, first transmitting element 132, generation unit 133 and the second transmitting element 134; Wherein,
Described setting unit 131, for recording period information for channel fix;
Described first transmitting element 132, for sending the recording request carrying channel ID information, described recording period information;
Described generation unit 133, for the broadcasting demand according to IPTV, generates programme;
Described second transmitting element 134, for sending described programme.
Described second transmitting element 134, also for sending programme update request.
The embodiment of the present invention additionally provides a kind of EPG, and as shown in figure 14, described EPG comprises: receive with display unit 141, receiving element 142, determine and transmitting element 143; Wherein,
Described reception and display unit 141, show for program receiving list;
Described receiving element 142, for the program playing request of receiving terminal;
Describedly to determine and transmitting element 143, for the program identification according to this program carried in described playing request, determine the channel ID information of this program, time started, end time be sent to described terminal.
Described EPG also comprises: upgrade and display unit 144;
Described receiving element 142, also for receiving the programme update request that CMS sends;
Accordingly, described renewal and display unit 144, for according to the renewal indication information carried in described update request, upgrade programme, and the programme after display update.
It should be noted that, the specific implementation function of the equipment such as the streaming media server that the embodiment of the present invention provides, CMS and EPG refers to the aforementioned related description reviewing streaming media server 83 in system, CMS81 and EPG 82 based on IPTV.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (12)
1. protocol television IPTV Network Based review a method, it is characterized in that, described method comprises:
Streaming media server receives recording request;
According to the channel ID information carried in described recording request, record period information, within the described recording period, the channel program with described channel ID information is recorded and forms media data;
When receiving recording playing request, in recorded media data, according to the channel ID information carried in described playing request, time started and end time, determining media data to be played, transmitting described media data to be played.
2. protocol television IPTV Network Based review a method, it is characterized in that, described method comprises:
Content Management System CMS is that channel fix records period information, and sends the recording request carrying channel ID information, described recording period information;
According to the broadcasting demand of IPTV, generate programme, and send described programme;
Wherein, described programme records: program identification, the time started that the channel ID information that program is corresponding, program are corresponding on channel, end time.
3. method according to claim 2, is characterized in that, described method also comprises:
Described CMS sends programme update request.
4. protocol television IPTV Network Based review a method, it is characterized in that, described method comprises:
Electronic program system EPG program receiving list also shows;
When receiving program playing request, according to the program identification of this program carried in described playing request, determine the channel ID information of this program, time started, end time, and are assembled in uniform resource position mark URL described channel ID information, time started and described end time, and return described URL.
5. protocol television IPTV Network Based according to claim 4 review method, it is characterized in that, described method also comprises:
When described EPG receives programme update request, according to the renewal indication information carried in described update request, programme is upgraded, and the programme after display update.
6. protocol television IPTV Network Based review a method, it is characterized in that, described method comprises:
Content Management System CMS be channel fix record period information, and send carry channel ID information, described recording period information recording request to content delivering system CDN;
Described CDN issues recording request to corresponding streaming media server according to the content distribution mechanism preset;
Described streaming media server receives recording request, according to the channel ID information carried in described recording request, records period information, within the described recording period, records and form media data to the channel program with described channel ID information;
Described CMS, according to the broadcasting demand of IPTV, generates programme, and sends described programme to electronic program system EPG;
Described EPG program receiving list also shows, when receiving the program playing request of terminal, according to the program identification of this program carried in described playing request, determine time started that the channel ID information of this program, program are corresponding on this channel, end time be sent to described terminal;
Described streaming media server is when receiving the recording playing request that described terminal sends, in recorded media data, according to the channel ID information corresponding with described program carried in described playing request, time started and end time, determine media data to be played, transmit described media data to be played to described terminal;
Wherein, described programme records: program identification, the time started that the channel ID information that program is corresponding, program are corresponding on channel, end time.
7. a streaming media server, is characterized in that, described streaming media server comprises: the first receiving element, recording elements, the second receiving element, determining unit, transmission unit; Wherein,
Described first receiving element, for receiving recording request;
Described recording elements, for according to the channel ID information carried in described recording request, recording period information, within the described recording period, records the channel program with described channel ID information and forms media data;
Described second receiving element, for receiving recording playing request;
Described determining unit, in recorded media data, according to the channel ID information carried in described playing request, time started and end time, determines media data to be played;
Described transmission unit, for transmitting described media data to be played.
8. a Content Management System, is characterized in that, described system comprises: setting unit, the first transmitting element, generation unit and the second transmitting element; Wherein,
Described setting unit, for recording period information for channel fix;
Described first transmitting element, for sending the recording request carrying channel ID information, described recording period information;
Described generation unit, for the broadcasting demand according to IPTV, generates programme;
Described second transmitting element, for sending described programme;
Wherein, described programme records: program identification, the time started that the channel ID information that program is corresponding, program are corresponding on this channel, end time.
9. system according to claim 8, is characterized in that, described second transmitting element, also for sending programme update request.
10. an electronic program system, is characterized in that, described system comprises: receive with display unit, receiving element, determine and transmitting element; Wherein,
Described reception and display unit, show for program receiving list;
Described receiving element, for program receiving playing request;
Describedly to determine and transmitting element, for the program identification according to this program carried in described playing request, determine the channel ID information of this program, time started, end time, and are assembled in uniform resource position mark URL described channel ID information, time started, end time, and return described URL.
11. systems according to claim 10, is characterized in that, described system also comprises: upgrade and display unit;
Described receiving element, also for programme update request;
Described renewal and display unit, for according to the renewal indication information carried in described update request, upgrade programme, and the programme after display update.
12. 1 kinds of protocol television IPTVs Network Based review system, it is characterized in that, described system comprises: Content Management System CMS, content delivering system CDN, streaming media server, electronic program system EPG; Wherein,
Described CMS, for recording period information for channel fix, and sends the recording request extremely described CDN carrying channel ID information, described recording period information;
Described CDN, for issuing recording request to corresponding streaming media server according to the content distribution mechanism preset;
Described streaming media server, for receiving recording request, according to the channel ID information carried in described recording request, recording period information, within the described recording period, records and form media data to the channel program with described channel ID information;
Described CMS, for the broadcasting demand according to IPTV, generates programme, and sends described programme to electronic program system EPG;
Described EPG, show for program receiving list, when receiving the program playing request of terminal, according to the program identification of this program carried in described playing request, determine time started that the channel ID information of this program, program are corresponding on this channel, end time be sent to described terminal;
Described streaming media server, for when receiving the recording playing request that described terminal sends, in recorded media data, according to the channel ID information corresponding with described program carried in described playing request, time started and program end time, determine media data to be played, transmit described media data to be played to described terminal;
Wherein, described programme records: program identification, the time started that the channel ID information that program is corresponding, program are corresponding on channel, end time.
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| CN201310656044.5A CN104702979B (en) | 2013-12-05 | 2013-12-05 | A kind of reviewing based on IPTV and reviews system at method |
| PCT/CN2014/078549 WO2014183706A1 (en) | 2013-12-05 | 2014-05-27 | Tv on demand method and system based on iptv, related device, and storage medium |
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| CN104702979B (en) | 2019-09-17 |
| WO2014183706A1 (en) | 2014-11-20 |
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