WO2010020133A1

WO2010020133A1 - Method, system and device for adjusting program list

Info

Publication number: WO2010020133A1
Application number: PCT/CN2009/072215
Authority: WO
Inventors: 戴玉勤; 董小星
Original assignee: 华为技术有限公司
Priority date: 2008-08-21
Filing date: 2009-06-11
Publication date: 2010-02-25
Also published as: CN101656875A

Abstract

A method, a system and a device for adjusting program list, wherein the method includes: the recorded program list is arranged and the stream media file is recorded; the stream media index file is established according to said recorded program list and the stream media file; the stream media file corresponding to said recorded program list is adjusted according to said stream media index file. The dynamic adjusting of the program list is implemented, and the problem that the content which is recorded based on time point will differ with the program list which is displayed to user practically is resolved.

Description

Method, system and device for adjusting program list

This application claims priority to Chinese Patent Application No. 200810210132.1, entitled "Adjustment Method, System and Apparatus for Program Programs", filed on August 21, 2008, the entire contents of which are incorporated herein by reference. In the application.

Technical field

The present invention relates to the field of network television, and in particular, to a method, system and device for adjusting a program list. Background technique

Video recording of live channels is an important service in the promotion of Internet TV (IPTV). For live content, many users cannot watch what they want to watch on time. Video recording provides a more user-friendly service for these users.

In the current business promotion, operators usually record all the live content in recent days as streaming media files for users to choose to watch afterwards. Currently, all recordings are based on the point in time to start and stop recording. However, in practical applications, since the live content may cause the program to advance or lag due to various reasons, the content recorded based on the time point may deviate from the program list actually displayed to the user.

Summary of the invention

The embodiment of the invention provides a method, a system and a device for adjusting a program list, so as to solve the problem that the content recorded based on the time point is deviated from the program list actually displayed to the user.

An embodiment of the present invention provides a method for adjusting a program list, including:

Program a program listing and record streaming media files;

Establishing a streaming media index file according to the recorded program list and the streaming media file;

And adjusting a streaming media file corresponding to the recorded program list according to the streaming media index file.

The embodiment of the present invention further provides an adjustment system for a program list, including:

Content management subsystem and streaming media subsystem;

The content management subsystem is configured to arrange a program list, and send a request for recording the program list to the streaming media subsystem;

The streaming media subsystem is configured to record a streaming media file according to the request of the content management subsystem, and establish a streaming media index file according to the program list and the streaming media file, and replace the page according to the streaming media cable (Details 26) The index file adjusts the program listing corresponding to the streaming media file.

The embodiment of the invention further provides an apparatus for adjusting a program list, including:

a streaming media file recording unit, configured to receive a program ticket, and record a streaming media file according to the program ticket; an index file establishing unit, configured to establish a streaming media index file according to the program list and the streaming media file of the streaming media file recording unit;

And a streaming media file adjusting unit, configured to adjust the streaming media file corresponding to the program list according to the streaming media index file of the index file establishing unit.

The technical effect of the embodiment of the present invention is to: establish a streaming media index file according to the recorded program list and the streaming media file, and adjust the program list corresponding streaming media file according to the streaming media index file. In order to realize the dynamic adjustment of the program list, the problem that the content recorded based on the time point is deviated from the program list actually displayed to the user is solved.

DRAWINGS

FIG. 1 is a flowchart of a method for adjusting a program list according to an embodiment of the present invention;

2(1), 2(2), 2(3) are schematic diagrams of an adjustment of a program list according to an embodiment of the present invention; FIG. 3 is a structural diagram of an adjustment system of a program list according to an embodiment of the present invention;

4 is a flowchart of a specific application of a program for adjusting a program list according to an embodiment of the present invention; FIG. 5 (1) and FIG. 5 (2) are schematic diagrams of a program before and after adjustment of a program list according to an embodiment of the present invention; A schematic structural diagram of an apparatus for adjusting a program list provided by an embodiment of the invention;

FIG. 7 is a schematic structural diagram of a streaming media file adjusting unit according to an embodiment of the present invention.

detailed description

Embodiments of the present invention provide a method, system, and apparatus for adjusting a program list, by establishing a streaming media index file according to a recording program list and a streaming media file, and adjusting a program stream corresponding to the streaming media file according to the streaming media index file. In order to realize the dynamic adjustment of the program list, the problem that the content recorded based on the time point is deviated from the program list actually displayed to the user is solved.

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings. A method for adjusting a program list according to an embodiment of the present invention, as shown in FIG. 1, the method may include:

101. Program the program list and record the streaming media file. 102. Extract an I frame according to the recorded streaming media file to generate an I frame index file.

103. Create a streaming media index file according to the recorded program list and the streaming media file; the streaming media index file sequentially records the recorded streaming media file name corresponding to the program listing and the I frame index file name of the recorded file; when the first recording is completed, There is only one record in the streaming index file.

104. Adjust the program stream corresponding to the streaming media file according to the streaming media index file.

Specifically, the method includes: cutting a delayed or advanced program list according to a standard time to generate a new streaming media file; and reassembling the new streaming media file into a new streaming media index file. Referring to Figure 2 (1), the picture is the program list before the adjustment, "night news (filel)" streaming media file (program) time is 19: 00-19: 30, "weather forecast (file2)" streaming media file ( Program) Time is 19: 30-19: 40, "Soccer Night (file3)" Streaming media file (program) Time is 19: 40-21: 00. If the program changes after the recording is completed, such as "night news (filel)" streaming media file (program) is extended for 5 minutes, the next streaming media file (program) "weather forecast (file2)" is extended for 5 minutes, the third Streaming media files (programs) "Soccer Night (file3)" is extended by 5 minutes and ends 10 minutes earlier. At this time, through file cutting, file2 is cut into two files file2-l and file2-2 according to time, file2-l corresponds to the first five minutes of file2, file2-2 corresponds to the remaining content of file2; Cut into three files file3-l, file3-2 and file3-3. File3-l corresponds to the first 5 minutes of file3, file3-3 corresponds to the last 5 minutes of file3, and file3-2 is the middle of file3.

After the old streaming media file is cut, the corresponding I frame index file is regenerated according to the new streaming media file; then the streaming index file of each program ticket is adjusted:

In this way,

The streaming index file of "Night News" includes two indexes, the first index corresponds to filel and its I frame index, and the second index corresponds to file2-l and its I frame index file;

"The weather forecast (file2),, the streaming index file includes two indexes, which correspond to file2-2 and its I frame index;

The "streaming night (file3)" streaming index file includes an index corresponding to file3-2 and its I frame index;

Referring to Fig. 2 (2), the figure is the program list after the above adjustment. The adjusted streaming media files of each of the above program listings can be further merged into one streaming media file, that is, the final one of the program listings There should be only one I-frame index file for the actual streaming media and streaming media, as shown in Figure 2 (3), which is the program list that has undergone the above adjustment and has been merged.

105. Play a streaming media file according to the streaming media index file. Specifically include:

In the normal playing state, according to the streaming media index file, the first streaming media file and the corresponding I frame index file are found for playing. If the first streaming media file is played, the following streaming media file and I frame index are sequentially read. File; and

When the Trick Mode operation is performed, the I frame is read from the I frame index file into the streaming file, and when the I frame index file is read to the tail or the header, the next or previous I frame is read. Index the file and read the I frame into the next or previous streaming file.

The method for adjusting the program list is to establish a streaming media index file according to the recorded program list and the streaming media file, and adjust the program list corresponding streaming media file according to the streaming media index file. In order to realize the dynamic adjustment of the program list, the problem that the streaming media file recorded based on the time point is deviated from the program list actually displayed to the user is solved. It is also possible to adjust the program list by the cutting method provided by the embodiment of the present invention, reduce the content of each streaming media file, and solve the problem that the content under the recording of the large-stream media file is too large, easily damaged, and distributed. At the same time, it is also possible to solve the problem that content distribution based on the playlist is difficult and wastes storage space. According to the method for adjusting the program list provided by the embodiment of the present invention, after the streaming media file is adjusted, the actual streaming media file stored in the background is exactly the same as the streaming media file required by the actual program list, and does not bring additional storage space consumption. The distribution of media files is also very simple.

The embodiment of the present invention further provides a system for adjusting a program list. Referring to FIG. 3, the system includes: a content management subsystem 31, and a streaming media subsystem 32, wherein:

a content management subsystem 31, configured to schedule a program, send a request for recording a program list to the streaming media subsystem, and issue a recorded program list to the content presentation subsystem;

The streaming media subsystem 32 is configured to record a streaming media file according to the request of the content management subsystem 31, and establish a streaming media index file according to the program ticket and the streaming media file, and adjust the program stream corresponding to the streaming media file according to the streaming media index file.

And the adjustment system of the program list further includes a content presentation subsystem 33, wherein:

The content management subsystem 31 is further configured to deliver a recorded program list to the content presentation subsystem 33. The streaming media subsystem 32 is further configured to receive whether the content presentation subsystem 33 records the streaming media file. The completed query and feedback to the content presentation subsystem 33 the status of the recording;

The content presentation subsystem 33 is configured to receive the program list issued by the content management subsystem 31, and query the streaming media subsystem 32 for the recording status of the streaming media file of the program list, and if the recording is completed, activate the program list.

Referring to FIG. 4, the figure shows the specific application of the system for the adjustment of the program list, including the steps:

401. Program a recording program list on the content management subsystem 31, and generate a streaming media index file name for each program list in units of one live channel;

402. The content management subsystem 31 sends a streaming media file recording request to the streaming media subsystem 32. The information of each program listing is as shown in Table 1:

Table 1

403. The content management subsystem 31 sends a recorded program list to the content presentation subsystem 33. The program listing information includes the information shown in Table 1 and carries other display data, as shown in Table 2:

Table 2

After the content presentation subsystem 33 receives the program listing, the program listing is set to the "deactivated" state. 404. The streaming media subsystem records the streaming media file (program) according to the program list, and the specific package

(1) The streaming media subsystem 32 creates a streaming media index file according to the recorded program list; the recorded file name is automatically generated by the streaming media system according to certain rules. The structure of the streaming media index file corresponding to the program list is shown in Table 3:

table 3

among them:

Content index number: Describes the order in which the corresponding content is played in the program list; Streaming file name: Describe the streaming file path and file name;

Streaming file duration: The length of the streaming file;

I frame index file name: Description I frame index file path and file name.

(2) Streaming media subsystem 32 starts streaming media file recording according to the time point;

(3) After the streaming media file is recorded, the streaming media subsystem 32 analyzes the recorded content and analyzes the recorded content.

In the case of an I frame, an I frame and an I frame index file are generated, and the structure of the I frame index file is as shown in Table 4:

Table 4

I frame index number: Description I frame serial number;

I frame offset: Describes the offset of the physical position of the corresponding I frame in the streaming media file relative to the beginning of the file;

I frame time: describes the time offset of the corresponding I frame in the streaming media file;

I frame size: Description The physical length of the I frame.

405. The content presentation subsystem 31 periodically queries the streaming media subsystem 32 whether the recorded program has been recorded, and the query keyword uses the streaming index file name of the program list.

406. The streaming media subsystem 32 searches for the corresponding content according to the streaming media index file name of the program list, and feeds the result to the content presentation subsystem 33. The recording status includes: 0 not recorded, 1 recording, and 2 already recorded.

407. The content presentation subsystem 33 refreshes the status of the program list according to the recording status. If the recording has been completed, the program list is changed to the “active” state, and the user can watch through the terminal.

408. Perform content scheduling adjustment on the content management subsystem 31 when adjusting for a delayed or advanced program list; in a live channel; if the program number does not change, sequentially use the original program stream. The index file, if the content is increased, dynamically generates a streaming index file name for the new program listing.

409. The content management subsystem 31 sends the new program list to the streaming media subsystem 32, and notifies the streaming media subsystem 32 to adjust the program list. 410. The streaming media subsystem 32 adjusts the program list according to the new program list, as shown in FIG. 5 (1) and FIG. 5 (2), if the current program list M1 "evening news" time is extended (7 minutes) ), find the extended streaming file in the next program list M2 "Weather Forecast" corresponding streaming file file3-l (5 minutes), cut file3-l into file3-ll (2 minutes) and file3-l-2 ( 3 minutes) two streaming media files, and regenerate two I frame index files for file3-ll, file3-l-2; adjust the streaming index file of program list M1, file3-ll and file2- in front of it 2 The streaming media file is added to the streaming media index file of M1; the streaming media index file of the program list M2 is adjusted, the streaming media file removed before is deleted, and the cut file index is modified.

In addition, if the current program list ends prematurely, the streaming media file corresponding to the latter part of the current program list is cut, and the streaming media file is adjusted to the next program list, and the streaming media index file of the current and next program list is refreshed. Ibid.

410. The content management subsystem 31 queries the streaming media subsystem 32 for content adjustment results.

411. The streaming media subsystem 32 feeds back the content adjustment result to the content management subsystem 31.

412. After the content adjustment is successful, the content management subsystem 31 sends a program order update notification to the content presentation subsystem 33.

413. The content presentation subsystem 33 refreshes the program list according to the adjusted program list. The content presentation subsystem 33 then presents the recorded content to the terminal, and each program list carries the program single stream media index file name; the terminal sends a streaming media file play request to the streaming media subsystem 32, and after the streaming media subsystem 32 has been scheduled, Distribute the streaming media file to the specified streaming server:

(1) In the normal playing state, the streaming media server finds the content corresponding to the first index and the I frame index file according to the file in the streaming media index file, and pushes the streaming media content to the terminal; if the first content is played, Read the following content and the corresponding index file in turn;

(2) When performing the fast forward and fast reverse mode operations, the streaming server reads the I frame from the I frame index file to the content file to provide services for the terminal; when the I frame index file reads the tail (or header) , read (or on) an I frame index file, and read the I frame into the next (or upper) content file to provide services for the terminal.

The adjustment system of the program list establishes a streaming index file according to the recorded program list and the streaming media file. And adjusting the program stream corresponding to the streaming media file according to the streaming media index file. In order to realize the dynamic adjustment of the program list, the problem that the streaming media file recorded based on the time point is deviated from the program list actually displayed to the user is solved. The program of the embodiment of the present invention can also be used to adjust the program list, reduce the content of each streaming media file, and solve the problem that the content of the large-stream media file is too large, easily damaged, and complicated to be distributed. At the same time, it is also possible to solve the problem that the content distribution based on the playlist is difficult and the storage space is wasted. According to the method for adjusting the program list provided by the embodiment of the present invention, after the streaming media file is adjusted, the actual streaming media file stored in the background is exactly the same as the streaming media file required by the actual program list, and does not bring additional storage space consumption. The distribution of media files is also very simple.

Further, in the specific application of the system for adjusting the program list, the content combining technology may be used to merge the adjusted streaming media files of each program list into one streaming media file, that is, the actual corresponding one program list. There is only one I frame index file for streaming media files and streaming media files. In this way, it is better to distribute streaming media files for more convenient display.

An embodiment of the present invention further provides an apparatus for adjusting a program list. Referring to FIG. 6, the apparatus for adjusting the program list includes:

The streaming media file recording unit 61 is configured to receive a program list, and record a streaming media file according to the program ticket; the index file establishing unit 62 is configured to establish a streaming media index file according to the program list and the streaming media file of the streaming media file recording unit 61;

The streaming media file adjusting unit 63 is configured to adjust the program list corresponding streaming media file according to the streaming media index file of the index file establishing unit 62. And, according to the streaming index file name and the notification, the program list is adjusted in turn.

Further, as shown in FIG. 7, the streaming media file adjusting unit 63 further includes a file cutting unit 631, configured to cut a delayed or advanced program list according to a standard time to generate a new program list, and generate a new program list. Regenerate the corresponding streaming index file and adjust the streaming index file of each new program.

Further, the streaming media file adjusting unit 63 further includes a file merging unit 632 for combining the cut streaming media to regenerate a new I frame index file.

Through the description of the above embodiments, those skilled in the art can clearly understand the present invention. It can be implemented by means of software plus the necessary general hardware platform, and of course also through hardware. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product, which may be stored in a storage medium such as a ROM/RAM, a disk. , an optical disk, etc., includes instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform portions of the various embodiments or embodiments of the present invention.

The method and system for adjusting a program list provided by the embodiment of the present invention establish a streaming media index file according to the recorded program list and the streaming media file, and adjust the program stream corresponding to the streaming media file according to the streaming media index file. In order to realize the dynamic adjustment of the program list, the problem that the content recorded based on the time point is deviated from the program list actually displayed to the user is solved.

The method, the system and the device for adjusting the program list provided by the embodiment of the present invention are described in detail. For those skilled in the art, according to the idea of the embodiment of the present invention, the specific implementation manner and the application range are In view of the above, the contents of the embodiments of the present specification should not be construed as limiting the present invention.

Claims

Rights request

A method for adjusting a program list, comprising:

Program a program listing and record streaming media files;

The method for adjusting a program list according to claim 1, wherein the adjusting the streaming media file corresponding to the recorded program list according to the streaming media index file comprises:

The delayed or advanced recording program list is cut according to standard time to generate a new streaming media file;

Reassembling the new streaming media files into a new streaming media index file.

The method for adjusting a program list according to claim 2, further comprising: after recording the streaming media file, further comprising:

Extracting the I-frame recording streaming media file generates an I-frame index file.

The method for adjusting a program list according to claim 2 or 3, wherein the cut stream media files are combined, and a corresponding new I frame index file is generated.

The method for adjusting a program list according to claim 1, wherein, after the streaming media file is adjusted according to the streaming media index file, the method further comprises:

Playing the streaming media file according to the streaming media index file.

The method for adjusting a program list according to claim 5, wherein the playing the streaming media file according to the streaming media index file comprises:

When performing the fast forward and rewind mode operation, the I frame is read into the streaming media file according to the I frame index file, and when the I frame index file is read to the tail or the header, the next or previous I frame index file is read, and Read the I frame in the next or previous content file.

7. A system for adjusting a program list, comprising:

Content management subsystem and streaming media subsystem;

The streaming media subsystem is configured to record a streaming media file according to the request of the content management subsystem, and establish a streaming media index file according to the program list and the streaming media file, and adjust the program according to the streaming media index file. Single corresponds to streaming media files.

The system for adjusting the program list according to claim 7, further comprising: a content presentation subsystem, configured to receive a program list issued by the content management subsystem, and query the streaming media subsystem The recording status of the streaming media file of the program list, if the recording is completed, the program list is activated;

The content management subsystem is further configured to deliver the recorded program list to the content presentation subsystem;

The streaming media subsystem is further configured to receive a query that the content presentation subsystem records the completion of the streaming media file, and feed back the recorded status to the content presentation subsystem.

9. The system for adjusting a program list according to claim 7, wherein:

The content management subsystem is further configured to dynamically generate a streaming media index file name of the new program list if the program list is increased or decreased, and send the streaming media index file name to the streaming media subsystem, and notify the The streaming media subsystem adjusts the program list;

The streaming media subsystem is further configured to sequentially adjust the program list according to the streaming media index file name and the notification.

The system for adjusting a program list according to claim 9, wherein the streaming media subsystem is configured to cut the delayed or advanced program list according to a standard time to generate a new program list, and The new program list regenerates the corresponding streaming media index file, and adjusts the streaming media index file of each new program list.

11. The system for adjusting a program list according to claim 10, wherein said streaming media The system is also used to merge the cut stream media to regenerate a new I frame index file.

The system for adjusting a program list according to claim 10, wherein the content presentation subsystem is configured to find a streaming media file and an I frame index corresponding to the first streaming media index file according to the streaming media index file. a file, playing the content of the program list, if the first content is played, sequentially reading the following streaming media file and the corresponding I frame index file; and when performing the fast forward and rewind mode operation, indexing the file according to the I frame to the stream The I frame is read in the media file, and when the I frame index file is read to the tail or the header, the next or previous I frame index file is read, and the I frame is read in the next or previous content file.

13. A device for adjusting a program list, comprising:

The apparatus for adjusting a program list according to claim 13, further comprising: said streaming media file adjusting unit, configured to sequentially adjust the program list according to the streaming media index file name and the notification.

The apparatus for adjusting a program list according to claim 13 or 14, further comprising: the streaming media file adjusting unit further comprising a file cutting unit, configured to time the delayed or advanced program list according to a standard time Cutting is performed to generate a new program list, and the new program list is regenerated to a corresponding streaming index file, and the streaming index file of each new program list is adjusted.

The apparatus for adjusting a program list according to claim 15, comprising: the streaming media file adjusting unit further comprising a file combining unit, configured to merge the cut streaming media to generate a new I frame. Index file.