CN102457760A - Method, apparatus and system for realizing play insertion of content - Google Patents
Method, apparatus and system for realizing play insertion of content Download PDFInfo
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Abstract
The invention provides a method for realizing play insertion. The method comprises the following steps that: a server generates a play insertion content play list according to a content for play insertion; the play insertion content play list is added into a normal content play list that is generated according to a normal content, so that a temporary play list is obtained; and the temporary play list is sent to a client. In addition, the invention also provides an apparatus and a system for realizing play insertion of a content. According to the invention, there is no need to modify a client; and a server is only needed to carry out modification on a link providing a play list; therefore, the complexity is low; the system is only changed a little; and costs are low.
Description
Technical field
The present invention relates to stream media technology, be specifically related to the methods, devices and systems that a kind of content is intercutted.
Background technology
Along with popularizing of broadband access, the application of stream media technology more and more widely.Online video, IPTV, mobile flow medium have become traditional business gradually, and three emerging screens merge then to be devoted to for the user streaming media service to be provided whenever and wherever possible with above three's seamless connection.It is a basic function of streaming media server that content is intercutted, and except advertisement, content is intercutted the occasions such as report that function also can be used for emergency.
The content that can be used for the Streaming Media field is at present intercutted technology, and the link difference according to realizing intercutting function roughly can be divided into three types: intercut when content is introduced, intercut with the Streaming Media client when content is distributed and intercut.
Intercut when content is introduced, when content is introduced streaming media server, content is made amendment to add break-in content, the advertisement insertion mode of its principle and various places TV station is similar, convection media server, and the content that is equivalent to introduce has just been accomplished and has been intercutted.This mode is disposable and irreversible to the modification of content; Can't realize dynamically intercutting (promptly changing break-in content) according to factors such as object of watching and opportunitys; The way of direct modification programme content is also invaded the right of content supplier easily, so that this mode is used is less.
Intercut during the content distribution, streaming media server is normally introduced content, changes into when the Streaming Media client is sent the medium code stream, adding break-in content, and this way support is dynamically intercutted, and content supplier is also more acceptant.This way need be revised the medium code stream transmission flow of streaming media server core, and workload influences the stability of a system more greatly and easily, and with intercut relevant functional module and need work all the time in the media services overall process, also reduced system effectiveness virtually.
The Streaming Media client is intercutted, and revises the Streaming Media client and adds the custom-designed module of intercutting, and transfers plays break-in content on suitable opportunity to from the normal program content.This way had both been supported dynamically to intercut and has also been kept introducing the integrality of content, and need not change the core process of streaming media server.But this way needs the convection current media client to make amendment, and has increased the complexity of Streaming Media client, has increased the cost of Streaming Media client indirectly.
The patent of application number CN200810100674.3 " in Internet Protocol Television, realizing method, the Apparatus and system that media content intercuts " by name discloses a kind of scheme that realization is intercutted in IPTV: the code stream that server will mail to the user on specific opportunity switches to media content.This patent utilization streaming media server sends break-in content to the Streaming Media client and realizes that content intercuts, and server is changed big, intercuts functional module and works all the time, and overhead is high.
The patent of application number CN200710114549.3 " method of inter cutting video information in streaming media playing or buffering course " by name discloses a kind of scheme of intercutting, and the gap plays break-in content of normal play content is waited in the utilization of Streaming Media client.This patent is brought in through modification Streaming Media client and is realized intercutting, and the complex processing flow process has been transferred to the Streaming Media client, has increased the develop and field cost of Streaming Media client.
Summary of the invention
The present invention proposes a kind of methods, devices and systems of realizing that content is intercutted, can overcome existing streaming medium content and intercut the higher shortcoming of complicated technology realization cost.
In order to address the above problem, the invention provides a kind of method that realizes that content is intercutted, comprising:
Server generates the break-in content playlist according to break-in content, and said break-in content playlist is added the normal content playlist that generates according to normal content, obtains interim playlist, and said interim playlist is sent to client.
Further, said method also comprises: said client is obtained the corresponding media content of each clauses and subclauses of said interim playlist from said server successively according to said interim playlist and is play.
Further, said break-in content playlist being added said normal content playlist comprises:
Said break-in content playlist one or many is inserted said normal content playlist, perhaps, one or more clauses and subclauses of using the clauses and subclauses one or many of said break-in content playlist to replace said normal content playlist.
Further, saidly generate the break-in content playlist according to break-in content and comprise:
Said break-in content is carried out physics cutting or virtual cutting, obtain one or more content segments, set up a playlist entry, obtain the break-in content playlist for each content segments;
Perhaps, directly set up playlist entry, only contained the break-in content playlist of a playlist entry for whole said break-in content.
Further, when obtaining content segments, comprise the file path information of the content segments that it is corresponding in the clauses and subclauses of said break-in content playlist through the physics cutting;
When obtaining content segments through virtual cutting, the clauses and subclauses of said break-in content playlist comprise the file path information of the content segments that it is corresponding, said content segments side-play amount and the length in said file.
The present invention also provides a kind of content to intercut device; Said content is intercutted device; Be used for generating the break-in content playlist according to break-in content; Said break-in content playlist is added the normal content playlist that generates according to normal content, obtain interim playlist, said interim playlist is sent to client.
Further; Said content is intercutted device and is used for: said break-in content playlist one or many is inserted said normal content playlist; Perhaps, one or more clauses and subclauses of using the clauses and subclauses one or many of said break-in content playlist to replace said normal content playlist.
Further; Said content is intercutted device and is used for generating as follows the break-in content playlist: said break-in content is carried out physics cutting or virtual cutting; Obtain several content segments, set up a playlist entry, obtain the break-in content playlist for each content segments; Perhaps, directly set up playlist entry, only contained the break-in content playlist of a playlist entry for whole said break-in content.
Further, when obtaining content segments, comprise the file path information of the content segments that it is corresponding in the clauses and subclauses of said break-in content playlist through the physics cutting;
When obtaining content segments through virtual cutting, the clauses and subclauses of said break-in content playlist comprise the file path information of the content segments that it is corresponding, said content segments side-play amount and the length in said file.
The present invention also provides a kind of system that realizes that content is intercutted, and said system comprises the server and client side, comprises in the said server that foregoing intercuts device and media content dispensing device, wherein:
Said content is intercutted device; Be used for generating the break-in content playlist according to break-in content; Said break-in content playlist is added the normal content playlist that generates according to normal content, obtain interim playlist, said interim playlist is sent to said client;
Said media content dispensing device is used to receive the request of said client, successively the corresponding media content of each clauses and subclauses of said interim playlist is sent to said client;
Said client is used for according to said interim playlist successively to the corresponding media content of each clauses and subclauses of the said interim playlist of said server requests, and plays said media content.
Content inserting method of the present invention has following characteristics:
One, in the normal content playlist, offers client again after the clauses and subclauses of interpolation break-in content playlist; In fact be equivalent to " deception " client; It is also play break-in content as normal content, participate in just realizing intercutting thereby accomplish need not client;
Two, each content of calling when playing beginning is intercutted module and is generated playlist and offer client, and each playlist that generates can be different, thereby realize dynamically intercutting.
Adopt method realization content of the present invention to intercut, can realize dynamically intercutting, need not to revise client, server also only needs make amendment in the link that playlist is provided, and implementation complexity is low, and system's change amount is little, and cost is lower.
Description of drawings
Fig. 1 carries out the sketch map of burst to content;
The sketch map of corresponding relation between Fig. 2 playlist and the contents fragment;
Fig. 3 client is obtained the sketch map of playlist and contents fragment from server;
Fig. 4 server is realized the sketch map that content is intercutted;
Fig. 5 break-in content is inserted the playlist between the normal content fragment;
Fig. 6 break-in content covers the playlist of normal content fragment;
The play list file of Fig. 7 embodiment one normal content and break-in content;
Fig. 8 embodiment one content is intercutted the flow chart of module;
Fig. 9 embodiment one content is intercutted the playlist after the resume module;
Figure 10 embodiment two live clip file naming rule sketch mapes;
The flow chart of Figure 11 embodiment two playlist generation modules;
Figure 12 embodiment two direct broadcast band playlist sketch mapes;
Figure 13 embodiment two has carried out the direct broadcast band playlist that content is intercutted.
Embodiment
Before the description technique scheme, the term below defining earlier:
Video coding piece group: refer to through the coding video data in, from an I frame (comprising itself) to the sequence of frames of video the next I frame.Video Decoder must obtain the I frame could whole group of correct decoding.
The present invention provides a kind of method that realizes that content is intercutted, and comprising:
Server generates the break-in content playlist according to break-in content, and said break-in content playlist is added the normal content playlist that generates according to normal content, obtains interim playlist, and said interim playlist is sent to client;
Client is obtained the corresponding media content of each clauses and subclauses of said interim playlist from said server successively according to said interim playlist and is play.
Wherein, said break-in content playlist being added said normal content playlist comprises:
Said break-in content playlist one or many is inserted said normal content playlist, perhaps, one or more clauses and subclauses of using the clauses and subclauses one or many of said break-in content playlist to replace said normal content playlist.
Wherein, generate normal content playlist and break-in content playlist as follows:
Said normal content is carried out physics cutting or virtual cutting, obtain one or more content segments, set up a playlist entry, obtain the normal content playlist for each content segments;
Said break-in content is carried out physics cutting or virtual cutting, obtain one or more content segments, set up a playlist entry, obtain the break-in content playlist for each content segments; Perhaps, directly set up playlist entry, only contained the break-in content playlist of a playlist entry for whole said break-in content.
Wherein, when obtaining content segments, comprise the file path information of the content segments that it is corresponding in the clauses and subclauses of said break-in content playlist through the physics cutting;
When obtaining content segments through virtual cutting, the clauses and subclauses of said break-in content playlist comprise the file path information of the content segments that it is corresponding, said content segments side-play amount and the length in said file.
Below in conjunction with accompanying drawing the enforcement of technical scheme is done further to describe in detail.
The method that the realization content is intercutted in server according to the invention is following:
The first step, media content is carried out burst
Whole media content is cut into a series of fragment, and the length of each fragment can be different, should guarantee in the time of the cutting fragment a frame media data cutting in a fragment, must not cross over a plurality of fragments.If media content has video, also should guarantee the cutting of a video coding piece group in a fragment.As shown in Figure 1, content is carried out the sketch map of burst: normal content and break-in content all are cut into a series of fragment.
Burst is a notion in logic, can carry out the physics cutting to media content---for each burst generates independently content and is stored as independent file, can directly use file path information to quote burst; Also can carry out virtual cutting---do not generate new interior perhaps file in the burst process, make the part of each burst, use file path information, side-play amount and the length of segment in file to quote burst corresponding to media content.
No matter physics cutting or virtual cutting, each fragment that cutting obtains all must satisfy the aforementioned constraints that provides.
Fragment process comprises the programme content (hereinafter to be referred as normal content) of normal play and the content (hereinafter to be referred as break-in content) that is used to intercut to all the elements.Certainly, the common time of break-in content is shorter, also can consider during practical implementation break-in content not to be carried out burst.
About the opportunity of fragment process, on-demand content can carry out burst when content is introduced server, for live content, then can carry out real-time recording to live code stream, is translated into on-demand content and handles.
Second step, generation playlist
To each content, generate a playlist, list in order in the playlist in the first step this content is carried out each fragment that burst obtains.As shown in Figure 2, each clauses and subclauses of playlist are pointed to corresponding contents fragment respectively.
The clauses and subclauses of playlist are corresponding one by one with contents fragment, are necessary for client and obtain contents fragment enough information is provided.If adopt the physics cutting, then playlist entry should provide each contents fragment corresponding file routing information at least; If adopt virtual cutting, then playlist entry also will provide side-play amount and the length of contents fragment in this document except the file path that provides the contents fragment place.
In addition, playlist also can provide information such as contents fragment time corresponding scope, medium resolution.
Playlist can be preserved hereof, also can be kept in the database, even can not establish special mechanism and preserve playlist, uses certain implicit agreement to safeguard the corresponding relation of playlist entry and contents fragment.
The 3rd goes on foot, obtains playlist
When client need be play certain media content, at first to obtain the playlist of this content from server.Shown among Fig. 3 301, client is obtained playlist from server.
If playlist is stored with file mode, then client can read file content from server through various public or self-defining agreements such as HTTP, RTSP, NFS.If playlist is kept in the database; Client can directly read the record that belongs to this content playlist through database interfaces such as SQL, ODBC; Also can be by the server access database, through various public or self-defining agreements such as HTTP, RTSP, NFS the content of playlist is sent to client again.If the unspecial playlist of preserving of server then should provide a mechanism when client is obtained playlist, dynamically to generate playlist and offers client.
The 4th step, playing media content
Client is obtained each corresponding fragment of this interim playlist from server successively according to aforementioned the 3rd playlist content obtained of step and is decoded and play.Shown in step 302 among Fig. 3, client is obtained each contents fragment from server.
The playlist situation is similar with obtaining, and the mode that client is obtained media content segments also is diversified, repeats no more at this.
The 5th step, realization content are intercutted
In server, increase a content and intercut module, when client is obtained playlist, offer client again after the playlist of the normal content of this module registration is handled.As shown in Figure 4, content is intercutted module and is obtained the break-in content playlist, and its clauses and subclauses are added in the normal content playlist, offers client thereby generate an interim playlist that is used to intercut.
The concrete processing comprises: read the break-in content playlist; And the clauses and subclauses of break-in content playlist are inserted between certain two clauses and subclauses of normal content playlist, perhaps replace several clauses and subclauses of normal content playlist with the clauses and subclauses of break-in content playlist.Above-mentioned processing can repeat, thereby in a normal content, realizes that repeatedly content is intercutted.
Fig. 5 inserts the playlist between the normal content fragment for break-in content: process is intercutted the complete whole clauses and subclauses that comprised normal content and break-in content of interim playlist after the processing, and the normal content fragment before and after the break-in content fragment has kept continuity.This processing mode has increased the total playing duration of client, is used in the demand (telecommunication) service and intercuts.
Fig. 6 covers the playlist of normal content fragment for break-in content: process is intercutted in the interim playlist after the processing; The break-in content fragment has taken certain duration; The normal content fragment of corresponding duration is dropped, and the normal content fragment before and after the break-in content fragment is discontinuous.This processing mode can make total playing duration of client remain unchanged, and can not cause playing time-delay because content intercuts and increase, and relatively is adapted at intercutting in the live broadcast service.
Content is intercutted module and playlist is intercutted process result is directly offered client, does not preserve, and can not change the playlist of normal content and break-in content.
Content is intercutted module and will be passed through the playlist of above-mentioned processing and send to client; Client reads the corresponding fragment of each clauses and subclauses of playlist and plays; When proceeding to the clauses and subclauses of break-in content, will read the fragment of break-in content and play, thereby reach the effect of intercutting.
Embodiment one
Make up the system that order program service is provided, content is carried out virtual burst, playlist is stored with file mode, the following information of playlist entry content fragment:
The broadcast beginning and ending time that fragment is corresponding, adopt relative time, be initiated with timing zero point with content;
The resolution of fragment video;
The file path at fragment place, all files all is kept under the catalogue in this example, so can omit the catalogue part in path, only provides filename to get final product;
The side-play amount of fragment relative file first byte hereof is a unit with the byte;
The length of fragment is unit with the byte.
Play list file and content file are of the same name, but extension name changes " .pl " into.
Fig. 7 is the play list file of present embodiment normal content and break-in content.
The play list file 701 of normal content, VOD001.pl by name, the total duration of this content is 30 minutes, is 65 minutes long fragments by cutting, each clauses and subclauses inside is a plurality of fields with CSV, is that example is explained successively with second clauses and subclauses wherein below:
The starting and ending time (promptly playing the beginning and ending time) that fragment is play, 00:05:00 representes to represent end in 10 minutes since 5 minutes, 00:10:00
Fragment level and vertical resolution, 640,480 expressions, 640 * 480 resolution
Fragment place filename owing to adopt virtual burst, so this field is all the same in whole playlist entry of same content, is VOD001.ts here
Fragment start offset amount hereof is 63999901 here
The byte length of fragment is 127995101 here
The play list file 702 of break-in content, AD001.pl by name, content stores is in file AD001.ts, and resolution is 320 * 240, and duration 20 seconds is a fragment by cutting;
The play list file 703 of another one break-in content, AD002.pl by name, content stores is in file AD002.ts, and resolution is 480 * 320, and duration 30 seconds is a fragment by cutting.
In the present embodiment; Adopt http protocol to carry out communication between the client and server; Server sets up based on Micorsoft Internet Infomaton Server (microsoft internet information server abbreviates IIS as), writes an ASP file and realizes intercutting administration module; When client is obtained playlist, send following URL request to server:
GET?http://xxx.xxx.xxx.xxx/yyy.asp?Content＝zzz
Wherein xxx.xxx.xxx.xxx is the IP address of server, and yyy is the ASP filename that intercuts administration module, and zzz is the play list file name.
Might as well suppose that server ip address is 192.168.1.1, intercut administration module ASP file vod.asp by name, when being called the playlist of VOD001.pl in the client-requested accompanying drawing 7, should send following URL request:
GET?http://192.168.1.1/vod.asp?Content＝VOD001.pl
After IIS receives this request, will call content and intercut module vod.asp file and intercut processing, Fig. 8 is its flow chart, comprising:
Step 802 parses the play list file name that the Content parameter is carried from the request URL character string;
Step 804 reads the play list file of several break-in content according to predetermined policy;
Step 805 is inserted the clauses and subclauses of break-in content play list file between the playlist entry of normal content, generates interim playlist;
Step 807 finishes.
Fig. 9 intercuts resume module interim playlist sketch map afterwards for the present embodiment content.
901 directly from first three clauses and subclauses of VOD001.pl in the accompanying drawing 7, does not change, and the corresponding broadcast beginning and ending time is 0 to 15 minute;
902 are break-in content; Two clauses and subclauses are respectively from play list file AD001.pl in the accompanying drawing 7 and AD002.pl; Playing duration was respectively 20 seconds and 30 seconds; Delayed time altogether 50 seconds, content is intercutted module the broadcast beginning and ending time of these two clauses and subclauses is revised, and the corresponding broadcast beginning and ending time was respectively 15 minutes 0 second to 15 minutes and 20 seconds and 15 minutes 20 seconds to 15 minutes and 30 seconds;
Back three clauses and subclauses of VOD001.pl in 903 respective figure 7; Because 902 have intercutted 50 seconds content; So content is intercutted module the broadcast beginning and ending time of these three clauses and subclauses is revised, to postpone on the original basis respectively 50 seconds, the corresponding broadcast beginning and ending time is 15 minutes 50 seconds to 30 minutes and 50 seconds.
It is thus clear that through after intercutting processing, total growth has taken place the playlist duration that client gets access to, and the duration that increases is exactly the duration of break-in content.Client is used the playlist of Fig. 9 to obtain contents fragment successively and is play, between 15 minutes 0 second to 15 minutes and 50 seconds will then the fragment of obtaining break-in content play, thereby realize the effect intercutted.
Embodiment two
Present embodiment adopts the physics slit mode to make up the system that direct broadcast service is provided; Server is inner records module and will be stored as a series of clip file that wait durations from the code stream of live source; Adopt the MP4 form, the file wherein initial absolute time of live code stream of storage by name.
Figure 10 is a clip file naming rule sketch map, and according to this rule, if each fragment duration is 30 seconds, then the clip file of 20100808080800.mp4 by name has been stored the live content in 8 o'clock 8 minutes 0 second to 8 minutes and 30 seconds on the 8th August in 2010.
Customer end adopted http protocol and server communication adopt Apache as http server, write a PHP file as the playlist generation module, handle the request of client, and its flow process is shown in figure 11:
Step 1101, beginning;
Step 1102, this obtains the absolute time of playlist to confirm client, directly gets the current time in system to get final product;
Step 1103, last minute corresponding clip file name of the absolute time that step 1102 is obtained is referred to as the clauses and subclauses in the middle of the playlist.For example, 8: 10: 20 on the 8th August in 2010, last minute is exactly 8: 9: 20 on the 8th August in 2010, and comprises the clip file 20100808080900.mp4 by name of this time point content;
Step 1104, the front and back of the intermediary items that step 1103 is obtained are respectively added two clauses and subclauses in chronological order, obtain an interim playlist that comprises five clauses and subclauses.For the 20100808080900.mp4 file, five final clauses and subclauses are following successively:
20100808080800.mp4
20100808080830.mp4
20100808080900.mp4
20100808080930.mp4
20100808081000.mp4
Step 1105, the interim playlist that step 1104 is generated sends to client;
Step 1106 finishes.
During concrete the realization, each clauses and subclauses of playlist are made up of the field of a series of CSVs, and each field is followed successively by fragment from date, fragment zero-time, fragment Close Date, fragment concluding time, clip file name.
Client whenever plays a fragment, just obtains playlist one time from server, and the client terminal playing fragment needs elapsed time, and the playlist generation module is a content of confirming playlist according to the current time.Like this, along with the carrying out of playing, the time constantly passes, and the playlist that server offers client also can constantly add the clauses and subclauses of new segment and delete the clauses and subclauses of old fragment, and is shown in figure 12:
1201 is the playlist content that gets access to for the first time, and this moment, fragment 20100808080930.mp4 was the 3rd, was positioned at the centre of playlist;
1202 playlist contents for getting access to once more after the intact fragment of client terminal playing; First fragment 20100808080900.mp4 in this moment 1201 is deleted; All the other fragments are then corresponding carries previous position; 20100808080900.mp4 become second, the 5th fragment 20100808081030.mp4 for newly recording;
1203 for playing the playlist that gets access to after the fragment again, and first quilt in 1202 deleted, and 20100808080900.mp4 becomes first, the 5th the fragment 20100808081100.mp4 for newly recording.
Break-in content also adopts the physics cutting, and duration all is adjusted to 30 seconds integral multiple, is stored as the MP4 form.Content is intercutted module and is embedded in the playlist generation module, uses the break-in content fragment to replace the normal content fragment of corresponding period in predetermined inserting time, and is shown in figure 13:
1301 for using 1 minute break-in content fragment BreakNews.mp4 of duration to replace two normal content fragment 20100808080930.mp4 and 20100808081000.mp4 at 8: 9: 30;
1302 playlist contents when next time upgrading have increased the normal content fragment 20100808081030.mp4 that newly records after the break-in content fragment;
1303 for having crossed the playlist content after 30 seconds again, increases normal content fragment 20100808081100.mp4.
Client is periodically obtained playlist from server; Server can use break-in content fragment replacement normal content fragment as required; The playlist that the client use receives goes to obtain the content corresponding clip file and carries out decodes and plays; Will plays break-in content BreakNews.mp4 between 8 o'clock 9 minutes 30 seconds to 10 minutes and 30 seconds, thus realize the effect intercutted.
The present invention also provides a kind of content to intercut device; Be used for generating the break-in content playlist according to break-in content; Said break-in content playlist is added the normal content playlist that generates according to normal content, obtain interim playlist, said interim playlist is sent to client.
Wherein, Said content is intercutted device and is used for: said break-in content playlist one or many is inserted said normal content playlist; Perhaps, the clauses and subclauses of using the clauses and subclauses one or many of said break-in content playlist to replace said normal content playlist.
Wherein, said content is intercutted device, is used for said break-in content is carried out physics cutting or virtual cutting, obtains several content segments, sets up a playlist entry for each content segments, obtains the break-in content playlist; Perhaps, directly set up playlist entry, only contained the break-in content playlist of a playlist entry for whole said break-in content.
Wherein, when obtaining content segments, comprise the file path information of the content segments that it is corresponding in the clauses and subclauses of said break-in content playlist through the physics cutting;
When obtaining content segments through virtual cutting, the clauses and subclauses of said break-in content playlist comprise the file path information of the content segments that it is corresponding, said content segments side-play amount and the length in said file.
The present invention also provides a kind of system that realizes that content is intercutted, and said system comprises the server and client side, comprises in the said server that content according to the invention intercuts device and media content dispensing device, wherein:
Said content is intercutted device; Be used for generating the break-in content playlist according to break-in content; Said break-in content playlist is added the normal content playlist that generates according to normal content, obtain interim playlist, said interim playlist is sent to client;
Said media content dispensing device is used to receive the request of said client, successively the corresponding media content of each clauses and subclauses of said interim playlist is sent to said client;
Said client is used for according to said interim playlist successively to the corresponding media content of each clauses and subclauses of the said interim playlist of said server requests, and plays said media content.
Claims (10)
1. a method that realizes that content is intercutted is characterized in that, comprising:
Server generates the break-in content playlist according to break-in content, and said break-in content playlist is added the normal content playlist that generates according to normal content, obtains interim playlist, and said interim playlist is sent to client.
2. the method for claim 1 is characterized in that, said method also comprises: said client is obtained the corresponding media content of each clauses and subclauses of said interim playlist from said server successively according to said interim playlist and is play.
3. the method for claim 1 is characterized in that, said break-in content playlist is added said normal content playlist comprise:
Said break-in content playlist one or many is inserted said normal content playlist, perhaps, one or more clauses and subclauses of using the clauses and subclauses one or many of said break-in content playlist to replace said normal content playlist.
4. like claim 1,2 or 3 described methods, it is characterized in that,
Saidly generate the break-in content playlist according to break-in content and comprise:
Said break-in content is carried out physics cutting or virtual cutting, obtain one or more content segments, set up a playlist entry, obtain the break-in content playlist for each content segments;
Perhaps, directly set up playlist entry, only contained the break-in content playlist of a playlist entry for whole said break-in content.
5. method as claimed in claim 4 is characterized in that,
When obtaining content segments, comprise the file path information of the content segments that it is corresponding in the clauses and subclauses of said break-in content playlist through the physics cutting;
When obtaining content segments through virtual cutting, the clauses and subclauses of said break-in content playlist comprise the file path information of the content segments that it is corresponding, said content segments side-play amount and the length in said file.
6. a content is intercutted device; It is characterized in that; Said content is intercutted device, is used for generating the break-in content playlist according to break-in content, said break-in content playlist is added the normal content playlist that generates according to normal content; Obtain interim playlist, said interim playlist is sent to client.
7. device as claimed in claim 6 is characterized in that,
Said content is intercutted device and is used for: said break-in content playlist one or many is inserted said normal content playlist; Perhaps, one or more clauses and subclauses of using the clauses and subclauses one or many of said break-in content playlist to replace said normal content playlist.
8. like claim 6 or 7 described devices, it is characterized in that,
Said content is intercutted device and is used for generating as follows the break-in content playlist: said break-in content is carried out physics cutting or virtual cutting; Obtain several content segments; Set up a playlist entry for each content segments, obtain the break-in content playlist; Perhaps, directly set up playlist entry, only contained the break-in content playlist of a playlist entry for whole said break-in content.
9. device as claimed in claim 8 is characterized in that,
When obtaining content segments, comprise the file path information of the content segments that it is corresponding in the clauses and subclauses of said break-in content playlist through the physics cutting;
When obtaining content segments through virtual cutting, the clauses and subclauses of said break-in content playlist comprise the file path information of the content segments that it is corresponding, said content segments side-play amount and the length in said file.
10. a system that realizes that content is intercutted is characterized in that, said system comprises the server and client side, comprises in the said server that content as claimed in claim 6 intercuts device and media content dispensing device, wherein:
Said content is intercutted device; Be used for generating the break-in content playlist according to break-in content; Said break-in content playlist is added the normal content playlist that generates according to normal content, obtain interim playlist, said interim playlist is sent to said client;
Said media content dispensing device is used to receive the request of said client, successively the corresponding media content of each clauses and subclauses of said interim playlist is sent to said client;
Said client is used for according to said interim playlist successively to the corresponding media content of each clauses and subclauses of the said interim playlist of said server requests, and plays said media content.
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| CN2010105178869A CN102457760A (en) | 2010-10-14 | 2010-10-14 | Method, apparatus and system for realizing play insertion of content |
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| CN2010105178869A CN102457760A (en) | 2010-10-14 | 2010-10-14 | Method, apparatus and system for realizing play insertion of content |
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| CN2010105178869A Pending CN102457760A (en) | 2010-10-14 | 2010-10-14 | Method, apparatus and system for realizing play insertion of content |
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