CN102480484A - Method for making multimedia file, multimedia server and electronic equipment - Google Patents

Method for making multimedia file, multimedia server and electronic equipment Download PDF

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Publication number
CN102480484A
CN102480484A CN2010105743642A CN201010574364A CN102480484A CN 102480484 A CN102480484 A CN 102480484A CN 2010105743642 A CN2010105743642 A CN 2010105743642A CN 201010574364 A CN201010574364 A CN 201010574364A CN 102480484 A CN102480484 A CN 102480484A
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multimedia file
timestamp
program request
constantly
multimedia
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CN102480484B (en
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林福进
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Abstract

The invention provides a method for making a multimedia file, a multimedia server and electronic equipment. The method is applied to the multimedia server and comprises the following steps of: receiving a character string; resolving the character string to acquire a piece of identification information and video-on-demand time; determining a first multimedia file corresponding to the identification information according to the identification information; acquiring a time stamp of the first multimedia file; setting the video-on-demand time on the time stamp, wherein at the video-on-demand time, a starting time point for playing the first multimedia file is determined on the time stamp; and taking the first multimedia file with the video-on-demand time as a second multimedia file. The technical scheme has the beneficial effects that: any part of the contents is selected from the multimedia file by setting different time points, and the selected content can be transmitted, downloaded or browsed, so that the network resources and the time are saved, and the user experience is improved.

Description

A kind of method, multimedia server and electronic equipment of making multimedia file
Technical field
The present invention relates to network technology, be meant a kind of method, multimedia server and electronic equipment of making multimedia file especially.
Background technology
Present video is shared and is meant and directly issues other-end to video link, clicks the video link by other-end and watches.Usually adopt the Streaming Media transmission of video, Streaming Media is streaming video again, is meant to adopt the stream transmission media data, and provider adopts media delivery server to be divided into packet to Media Stream and is sent on the network.After receiving terminal carried out decompress(ion) through decompression apparatus to these packets, Media Stream will form video and show as before sending.But because the multimedia messages stature is huge, download the time that a multimedia file generally needs a few minutes or several hours, this just causes in order to see one and do not know the video of content, at first need expend and possibly accomplish download than the time that whole video is all grown.These files that are downloaded also must complete before download; Be placed on the webserver; The direct result that causes like this is exactly: the network bandwidth improves constantly with the stand-by period that helps people to download fewer and feweri, but final still can not be smooth watch online on-the-spot broadcasting.The video of one section dozens of minutes needed at least one many hours can watch end existing under the situation of network delay.And the excellent part in the video maybe be very short, has only tens seconds length, and this can waste the time of terminal user.
In the prior art, normally directly send the video link of whole video, play from the outset, perhaps position through pulling timestamp by the beholder who receives the video link by the beholder.
There is following defective in prior art, because the network delay of objective reality causes the user to be difficult to watch arbitrarily any one fragment of video, has reduced user's experience.
Summary of the invention
The technical problem that the present invention will solve is in the prior art, because the network delay of objective reality, causes the user to be difficult to watch arbitrarily any one fragment of video, has reduced the defective of user experience.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of method of making multimedia file, are applied to multimedia server, comprising: receive a character string; Resolve said character string and obtain an identification information and the program request moment; Confirm first multimedia file corresponding according to said identification information with said identification information; Obtain the timestamp of said first multimedia file; Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly; With said program request said first multimedia file constantly being set as second multimedia file.
In the described method, after being set on said timestamp, said program request constantly also comprises: be set a finish time on said timestamp, described the concluding time point of said first multimedia file of broadcast definite on said timestamp the said finish time.
In the described method; In that being set on the said timestamp, said program request also comprises a finish time constantly and being provided with on the said timestamp: when judging that said first multimedia file does not accept that input point is carved sowing time and during the finish time, obtaining the timestamp of said first multimedia file; According to said program request constantly and behind said first multimedia file of the particular location intercepting on the said timestamp, form said second multimedia file finish time.
In the described method; In that being set on the said timestamp, said program request also comprises a finish time constantly and being provided with on the said timestamp: when said first multimedia file is accepted that input point is carved sowing time and during the finish time, obtained the timestamp of said first multimedia file; On said timestamp, confirm said program request corresponding first location constantly, and confirm the second place that the said finish time is corresponding; The primary importance of said first multimedia file and the content between the second place are as said second multimedia file.
A kind of multimedia server comprises: resolution unit is used to receive a character string; Resolve said character string and obtain an identification information and the program request moment; Positioning unit is used for confirming first multimedia file corresponding with said identification information according to said identification information; The timestamp extraction unit is used to obtain the timestamp of said first multimedia file; The timestamp administrative unit is used on said timestamp, being provided with said program request constantly, and the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly; With said program request said first multimedia file constantly being set as second multimedia file.
In the described multimedia server; The timestamp administrative unit also comprises: module is set the finish time; Be used on said timestamp, being provided with a finish time, described the concluding time point of said first multimedia file of on said timestamp, confirming of broadcast the said finish time.
In the described multimedia server; Said timestamp administrative unit is specially: the very first time is stabbed administration module; Be used for when judging that said multimedia file is not accepted input point and carved with the finish time sowing time, according to the said program request moment with behind said first multimedia file of the particular location intercepting on the said timestamp, form said second multimedia file finish time.
In the described multimedia server; Said timestamp administrative unit is specially: the second timestamp administration module; Be used for when said first multimedia file is accepted input point quarter sowing time and the finish time; On said timestamp, confirm said program request corresponding first location constantly, and confirm the second place that the said finish time is corresponding; The primary importance of said first multimedia file and the content between the second place are as said second multimedia file.
A kind of method of play multimedia files, said method are applied to comprise in the electronic equipment: receive the sharing information of sharing one first multimedia file; Resolve said sharing information to confirm first multimedia file to be play and constantly as the program request in the initial moment of playing said first multimedia file; Obtain the data of said first multimedia file from multimedia server; Obtain the timestamp of said first multimedia file; Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly; Play the corresponding data of said first multimedia file constantly from said program request.
A kind of electronic equipment comprises: the client resolution unit is used to receive the sharing information of sharing one first multimedia file; Resolve said sharing information to confirm first multimedia file to be play and constantly as the program request in the initial moment of playing said first multimedia file; The client interactive unit is used for obtaining from multimedia server the data of said first multimedia file; Client time is stabbed the unit, is used to obtain the timestamp of said first multimedia file; Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly; The client terminal playing unit is used for playing the corresponding data of said first multimedia file constantly from said program request.
The beneficial effect of technique scheme of the present invention is following: owing to can on a multimedia file, choose a part of content wherein arbitrarily through different time point is set; And the content after will choosing is transmitted or is downloaded and browse; Thereby can save Internet resources and time, improved user's experience.
Description of drawings
Fig. 1 is a kind of method flow sketch map of making multimedia file of the embodiment of the invention;
Fig. 2 is the mutual sketch map of embodiment of the invention multimedia server and client;
Fig. 3 is the method flow sketch map of a kind of play multimedia files of the embodiment of the invention;
Fig. 4 is an embodiment of the invention multimedia server structural representation.
Embodiment
For technical problem, technical scheme and advantage that the present invention will be solved is clearer, will combine accompanying drawing and specific embodiment to be described in detail below.
Multimedia file corresponding Media Stream; In the process of media stream; With the transmission of Media Streams such as sound, image or animation to the electronic equipment continuous real-time, the electronic equipment of receiving media stream is created a buffering area, before play multimedia files, downloads one section Media Stream in advance by multimedia server 100; The user needn't wait until that the whole multimedia file is all downloaded and finish, and only need pass through several seconds or the time-delays of ten several seconds after can watch.When play multimedia files on electronic equipment; If the speed of download that network connects is during less than the needed speed of play multimedia files; Playing program can call the interior data of buffering area to avoid interrupting broadcast, and its remainder will continue to download from multimedia server 100 can smooth play multimedia files with maintenance.
Embodiments of the invention provide a kind of method of making multimedia file, are applied to multimedia server 100, comprising:
Step 101 receives a character string;
Resolve said character string and obtain an identification information and the program request moment;
Step 102 is confirmed first multimedia file corresponding with said identification information according to said identification information;
Step 103 is obtained the timestamp of said first multimedia file;
Step 104 is provided with said program request constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
With being provided with said program request said first multimedia file constantly as second multimedia file.
Use the technical scheme that is provided; On a multimedia file,, different program request time points chooses a part of content wherein arbitrarily through being set; And the content after will choosing transmits or downloads and browse, thereby can save Internet resources and time, improved user's experience.
In the technical scheme, after being set on said timestamp, said program request constantly also comprises: be set a finish time on said timestamp, described the concluding time point of said first multimedia file of broadcast definite on said timestamp the said finish time.At this moment, said first multimedia file that is provided with the said program request moment and the said finish time is as second multimedia file.
Said program request is set constantly on said timestamp, and on said timestamp, is provided with and also comprises a finish time:
When judging that said first multimedia file is not accepted input point quarter sowing time and the finish time and when program request begins to be played to the finish time constantly, obtaining the timestamp of said first multimedia file;
According to said program request constantly and behind said first multimedia file of the particular location intercepting on the said timestamp, form said second multimedia file finish time.
In the said character string, also comprise the list information of sharing personnel; Send the information of said second multimedia file of said visit according to said list information.
In existing various multimedia files, the file of FLV (FLASH VIDEO) form that the FLASH video is corresponding is not accept input point quarter sowing time and the finish time.Specific data segment in the file body of FLV file has been deposited timestamp; Through reading that this data segment obtains with the millisecond is the timestamp of unit of measurement; Specifically can adopt the C++ function to read this timestamp; The time parameter that on timestamp, passes into according to the C++ function then finds the program request moment and the finish time, is carved into during with program request between the finish time to become second a new multimedia file to the FLV file division, plays or send to user side to the link of second multimedia file then.
Said program request is set constantly on said timestamp, and on said timestamp, is provided with and also comprises a finish time:
When said first multimedia file is accepted input point quarter sowing time and the finish time, obtain the timestamp of said first multimedia file;
On said timestamp, confirm said program request corresponding first location constantly, and confirm the second place that the said finish time is corresponding; The primary importance of said first multimedia file and the content between the second place are as said second multimedia file.
In an application scenarios, as shown in Figure 2, the customer end B that customer end A, multimedia server and the contracture that comprising provides multimedia file enjoyed.In multimedia server, carry out a kind of method of making multimedia file, comprising:
Multimedia server receives a character string from a customer end B, and said character string comprises the information of the multimedia file that said customer end B need play;
Resolve said character string and obtain an identification information and the program request moment;
Confirm first multimedia file corresponding according to said identification information with said identification information;
Obtain the timestamp of said first multimedia file;
Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
Begin to play the data of said first multimedia file constantly from said program request, perhaps,
Send the data that said first multimedia file begins from said program request constantly to institute's customer end B, so that said customer end B is watched.
Wherein, identification information and program request information constantly that customer end A will include multimedia file send to the customer end B that receives the multimedia sharing information, and multimedia server receives order request from customer end B; In practical application, multimedia server also can contain the said character string of multimedia sharing information from the customer end A one side joint packet receiving of initiating to share.For this reason, the embodiment of the invention also provides a kind of method of making multimedia file, uses in the multimedia server, comprising:
Accept a character string from a customer end A, said character string comprises the information that said client is shared with other users' multimedia file at least,
Resolve said character string and obtain an identification information and the program request moment;
Confirm first multimedia file corresponding according to said identification information with said identification information;
Obtain the timestamp of said first multimedia file;
Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
Generating one can visit so that the visit information of said program request said first multimedia file constantly as second multimedia file to be set.Wherein, visit information specifically can be link and the program request information constantly that includes first multimedia file, perhaps can be the link of newly-generated second multimedia file.
Multimedia server obtains the filename of the multimedia file that will play and the time point of broadcast from customer end A or customer end B, and time point comprises the program request moment and the finish time; If the program request that does not get access to appointment constantly then give tacit consent to the time started that program request is multimedia file constantly, is the finish time of multimedia file if do not have the finish time of appointment then give tacit consent to.
Multimedia file is deposited free stamp as a file in the particular piece of data in the file body, and the different time points on the timestamp is equivalent to point to the different side-play amounts of the pointer of this multimedia file.Specifically comprise: find the timestamp of depositing in the file body of multimedia file, choice point is carved and the finish time sowing time on this timestamp; There is a pointer, the content of this pointed multimedia file; First side-play amount that pointer is corresponding is confirmed in the position that is engraved in during according to program request on the timestamp; According to the finish time position on timestamp confirm second side-play amount that it is corresponding; Pointer finds concrete position according to first side-play amount and second side-play amount on the content of multimedia file; Content to multimedia file is carried out intercepting, and the file that forms after the intercepting is called second multimedia file.
With the corresponding client of multimedia server; At first want the video of program request and time parameter to pass to multimedia server through the http protocol handle; Receive the compressed data packets of the video of the program request that multimedia server returns then, the player of client is compressed data packets decompress(ion) and broadcast.Wherein specifically adopt stream media protocol transmitted data compressing bag.
For playing smooth video, can set up a buffering area in client, a part of downloading compressed data packets earlier is as buffering, and this part is the one section video that begins constantly from program request.
In the technical scheme, program request is set on said timestamp also comprises constantly and after the finish time: after the position of the said program request moment and/or the said finish time increases fresh content and increasing fresh content, form the 3rd multimedia file.
Be without loss of generality; Multimedia file is specially a video file, and video file can be divided into a plurality of short-sighted frequencies, at this moment; Can increase audient's target customer by service provider, advertiser or other users in the beginning of each short-sighted frequency or the advertisement of ending place insertion different content.
Corresponding, the embodiment of the invention provides a kind of multimedia server, and is as shown in Figure 3, comprising:
Resolution unit 201 is used to receive a character string; Resolve said character string and obtain an identification information and the program request moment;
Positioning unit 202 is used for confirming first multimedia file corresponding with said identification information according to said identification information;
Timestamp extraction unit 203 is used to obtain the timestamp of said first multimedia file;
Timestamp administrative unit 204 is used on said timestamp, being provided with said program request constantly, and the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
With said program request said first multimedia file constantly being set as second multimedia file.
Use the technical scheme that is provided; Owing to can on a multimedia file, choose a part of content wherein arbitrarily through different time point is set; And the content after will choosing transmits or downloads and browse, thereby can save Internet resources and time, improved user's experience.
In the multimedia server, timestamp administrative unit 204 also comprises:
Module is set the finish time, is used on said timestamp, being provided with a finish time, described the concluding time point of said second multimedia file of on said timestamp, confirming of broadcast the said finish time.
Timestamp administrative unit 204 is specially: the very first time is stabbed administration module, be used for when judging that said multimedia file is not accepted input point quarter sowing time and the finish time,
According to said program request constantly and behind said first multimedia file of the particular location intercepting on the said timestamp, form said second multimedia file finish time.
Timestamp administrative unit 204 is specially: the second timestamp administration module; Be used for when said first multimedia file is accepted input point quarter sowing time and the finish time; On said timestamp, confirm said program request corresponding first location constantly, and confirm the second place that the said finish time is corresponding; The primary importance of said first multimedia file and the content between the second place are as said second multimedia file.
And the Edition Contains unit is used for after the position of the said program request moment and/or the said finish time increases fresh content and increasing fresh content, forming the 3rd multimedia file.
Corresponding, the embodiment of the invention provides a kind of method of play multimedia files, is applied to electronic equipment, and is as shown in Figure 4, comprising:
Step 301 receives the sharing information of sharing a multimedia file;
Resolve said sharing information to confirm first multimedia file to be play and constantly as the program request in the initial moment of playing said first multimedia file;
Step 302 obtains the data of said first multimedia file from the multimedia server end;
Step 303 is obtained the timestamp of said first multimedia file;
Step 304 is provided with said program request constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
Play the corresponding data of said first multimedia file constantly from said program request.
Use the technical scheme that is provided; Owing to can on a multimedia file, choose a part of content wherein arbitrarily through different time point is set; And the content after will choosing transmits or downloads and browse, thereby can save Internet resources and time, improved user's experience.
Corresponding, the embodiment of the invention provides a kind of electronic equipment, comprising:
The client resolution unit is used to receive the sharing information of sharing one first multimedia file;
Resolve said sharing information to confirm first multimedia file to be play and constantly as the program request in the initial moment of playing said first multimedia file;
The client interactive unit is used for obtaining from multimedia server the data of said first multimedia file;
Client time is stabbed the unit, is used to obtain the timestamp of said first multimedia file;
Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
The client terminal playing unit is used for playing the corresponding data of said first multimedia file constantly from said program request.
Can also comprise: the Edition Contains unit is used for after the position of the said program request moment and/or the said finish time increases fresh content and increasing fresh content, forming the 3rd multimedia file.
In an application scenarios, electronic equipment is carried out following function and is realized any program request to multimedia file, comprising:
Electronic equipment is confirmed the program request moment and the finish time on a multimedia file; The start time point of the said multimedia file of on the timestamp of said multimedia file, confirming of broadcast has been described in said program request constantly, has described the concluding time point of the said multimedia file of on said timestamp, confirming of broadcast the said finish time;
With program request constantly with send to multimedia server the finish time, by multimedia server constantly and obtain the content between the said program request moment and the said finish time finish time according to said program request;
Be carved into the corresponding packet of content between the said finish time when receiving said program request.
Confirm that program request also comprises constantly with after the finish time: with the link of said multimedia file, and the said program request moment and said finish time the time corresponding parameter send to said multimedia server through http protocol.
Use the technical scheme provided, owing to can on a multimedia file, choose a part of content wherein arbitrarily through different time point is set, and the content after will choosing transmits or downloads and browse, thereby can save Internet resources and time; Multimedia server can also add new content before and after multimedia file being cut apart the file of back at each section, for example add advertisement and bring more audient for service provider or advertiser afterwards; Because the user only need confirm a program request moment and the finish time; Just can get access to multimedia file or corresponding link after cutting apart; After discarding the file content of other parts, reduce the data of transmission greatly, thereby improved user's experience.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle according to the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (10)

1. a method of making multimedia file is characterized in that, is applied to multimedia server, comprising:
Receive a character string;
Resolve said character string and obtain an identification information and the program request moment;
Confirm first multimedia file corresponding according to said identification information with said identification information;
Obtain the timestamp of said first multimedia file;
Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
With said program request said first multimedia file constantly being set as second multimedia file.
2. method according to claim 1 is characterized in that, also comprises after said program request constantly is set on said timestamp:
Be set for one finish time on said timestamp, described the concluding time point of said first multimedia file of on said timestamp, confirming of broadcast the said finish time.
3. method according to claim 2 is characterized in that, said program request is being set constantly and on said timestamp, be provided with and also comprise a finish time on the said timestamp:
When judging that said first multimedia file is not accepted input point quarter sowing time and the finish time, obtain the timestamp of said first multimedia file;
According to said program request constantly and behind said first multimedia file of the particular location intercepting on the said timestamp, form said second multimedia file finish time.
4. method according to claim 1 is characterized in that, said program request is being set constantly and on said timestamp, be provided with and also comprise a finish time on the said timestamp:
When said first multimedia file is accepted input point quarter sowing time and the finish time, obtain the timestamp of said first multimedia file;
On said timestamp, confirm said program request corresponding first location constantly, and confirm the second place that the said finish time is corresponding; The primary importance of said first multimedia file and the content between the second place are as said second multimedia file.
5. a multimedia server is characterized in that, comprising:
Resolution unit is used to receive a character string; Resolve said character string and obtain an identification information and the program request moment;
Positioning unit is used for confirming first multimedia file corresponding with said identification information according to said identification information;
The timestamp extraction unit is used to obtain the timestamp of said first multimedia file;
The timestamp administrative unit is used on said timestamp, being provided with said program request constantly, and the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
With said program request said first multimedia file constantly being set as second multimedia file.
6. multimedia server according to claim 5 is characterized in that, the timestamp administrative unit also comprises:
Module is set the finish time, is used on said timestamp, being provided with a finish time, described the concluding time point of said first multimedia file of on said timestamp, confirming of broadcast the said finish time.
7. multimedia server according to claim 6 is characterized in that, said timestamp administrative unit is specially:
The very first time is stabbed administration module, is used for when judging that said multimedia file is not accepted input point quarter sowing time and the finish time,
According to said program request constantly and behind said first multimedia file of the particular location intercepting on the said timestamp, form said second multimedia file finish time.
8. multimedia server according to claim 6 is characterized in that, said timestamp administrative unit is specially:
The second timestamp administration module is used for when said first multimedia file is accepted input point quarter sowing time and the finish time,
On said timestamp, confirm said program request corresponding first location constantly, and confirm the second place that the said finish time is corresponding; The primary importance of said first multimedia file and the content between the second place are as said second multimedia file.
9. the method for a play multimedia files, said method is applied to it is characterized in that in the electronic equipment, comprises:
The sharing information of one first multimedia file is shared in reception;
Resolve said sharing information to confirm first multimedia file to be play and constantly as the program request in the initial moment of playing said first multimedia file;
Obtain the data of said first multimedia file from multimedia server;
Obtain the timestamp of said first multimedia file;
Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
Play the corresponding data of said first multimedia file constantly from said program request.
10. an electronic equipment is characterized in that, comprising:
The client resolution unit is used to receive the sharing information of sharing one first multimedia file;
Resolve said sharing information to confirm first multimedia file to be play and constantly as the program request in the initial moment of playing said first multimedia file;
The client interactive unit is used for obtaining from multimedia server the data of said first multimedia file;
Client time is stabbed the unit, is used to obtain the timestamp of said first multimedia file;
Said program request is set constantly on said timestamp, the start time point of said first multimedia file of on said timestamp, confirming of broadcast has been described in said program request constantly;
The client terminal playing unit is used for playing the corresponding data of said first multimedia file constantly from said program request.
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