CN102868708A - Method and system for acquiring transcoded target document - Google Patents
Method and system for acquiring transcoded target document Download PDFInfo
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- CN102868708A CN102868708A CN 201110185043 CN201110185043A CN102868708A CN 102868708 A CN102868708 A CN 102868708A CN 201110185043 CN201110185043 CN 201110185043 CN 201110185043 A CN201110185043 A CN 201110185043A CN 102868708 A CN102868708 A CN 102868708A
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Abstract
An embodiment of the invention discloses a method and a system for acquiring a transcoded target document. The method includes the steps: dividing a target document acquiring task into a local transcoding task and a network side downloading task; parallelly executing the local transcoding task and the network side downloading task, transcoding one portion of a source document by executing the local transcoding task to obtain a first portion of the target document and downloading other portions of the target document except for the first portion by executing the network side downloading task; and combining the first portion and the other portions of the target document except for the first portion to obtain the complete target document. By the aid of the method, time needed for acquiring the transcoded target document can be shortened.
Description
Technical field
The present invention relates to field of computer technology, relate in particular to a kind of method and system that obtains the file destination behind the transcoding.
Background technology
Development along with science and technology, handheld device is popularized, and the kind of handheld device is also more and more, meanwhile the operational capability of these handheld devices is also more and more stronger, a lot of high-end handheld devices have all been done independent optimization for the processing of graph image, so that the multimedia recreation function is perfect gradually.Yet the subject matter that handheld device exists is, video format is had strict requirement, and for example, some handheld device is only supported the H264 coded format.
At present, in order to carry out video playback in handheld device, present common way is: the user first carries out transcoding to video file in that PC (PC) is upper, convert video file to specific format after, play file destination in handheld device again.Wherein, the video file before the transcoding can be called source file, and the video file behind the transcoding can be called file destination.
On PC video file being carried out transcoding generally needs the long time, and for example, one hour film may need just can finish in 40 minutes, and for the HD video file, then reached several hours.In addition, on PC, video file is carried out transcoding, also very high to the occupancy of the upper resource of PC, affect PC to the processing speed of other tasks.
As seen, how shortening the required time of file destination that obtains behind the transcoding, is a current technical problem that needs to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of method and system that obtains the file destination behind the transcoding, in order to shorten the required time of file destination that obtains behind the transcoding.
Technical scheme of the present invention specifically is achieved in that
A kind of method that obtains the file destination behind the transcoding, the method comprises:
Be local transcoding task and network side downloading task with the task division that obtains described file destination;
The described local transcoding task of executed in parallel and described network side downloading task, wherein, by carrying out described local transcoding task, the part of described source file is carried out described transcoding, obtain the first of described file destination, by carrying out described network side downloading task, download other parts except described first in the described file destination;
Other parts beyond described first and the described first are merged, obtain complete described file destination.
A kind of system that obtains the file destination behind the transcoding, this system comprise that task assignment subsystem, local transcoding subsystem, network side download subsystem and synthon system;
Described task assignment subsystem is local transcoding task and network side downloading task for the task division that will obtain described file destination;
Described local transcoding subsystem is used for the part of described source file is carried out described transcoding, obtains the first of described file destination;
Described network side is downloaded subsystem, is used for downloading described file destination other parts except described first;
Described synthon system is used for other parts beyond described first and the described first are merged, and obtains complete described file destination;
Wherein, described local transcoding subsystem and described network side are downloaded the subsystem parallel running.
As seen from the above technical solution, the present invention is local transcoding task and network side downloading task by the task division that will obtain file destination, and by the local transcoding task of executed in parallel and network side downloading task, obtain the different piece of file destination, the different piece of file destination synthesized obtain complete file destination, can shorten the required time of file destination that obtains.
Description of drawings
Fig. 1 is the method flow diagram of the file destination behind the acquisition transcoding provided by the invention.
Fig. 2 is that the system of the file destination behind the acquisition transcoding provided by the invention forms schematic diagram.
Fig. 3 is the composition schematic diagram of local transcoding subsystem 202.
Fig. 4 is the composition schematic diagram of synthon system 204.
Embodiment
Fig. 1 is the method flow diagram of the file destination behind the acquisition transcoding provided by the invention.
As shown in Figure 1, the method comprises:
In this step, by carrying out described local transcoding task, the part of described source file is carried out described transcoding, obtain the first of described file destination, by carrying out described network side downloading task, download other parts except described first in the described file destination.
As seen from Figure 1, the present invention is local transcoding task and network side downloading task by the task division that will obtain file destination, and the local transcoding task of executed in parallel and network side downloading task, realized that transcoding is downloaded on one side on one side, thereby can greatly shorten the time of transcoding, especially more obvious for HD video file effect, reduced stand-by period of user.
Wherein, can be according to resource allocation information and the resource occupation information estimator time T 1 of this locality, according to resource occupation information and the network bandwidth information estimator time T 2 of network side.
As a kind of preferred mode, the ratio a1 that described first can be accounted for described file destination is defined as T2/ (T1+T2), the ratio a2 that other parts beyond the described first is accounted for described file destination is defined as T1/ (T1+T2), and the task division that will obtain described file destination according to a1 and a2 is local transcoding task and network side downloading task.
Theoretically, be that T2/ (T1+T2) and a2 are the ratio cut partition task of T1/ (T1+T2) according to a1, can make required total time of acquisition file destination minimum, if a video of 120 minutes, local transcoding needs 90 minutes, off-line is downloaded needs 60 minutes, a1=0.4 then, a2=0.6 namely carries out local transcoding to front 48 minutes of video file, 72 minutes videos to the video file back carry out the off-line download, and obtaining file destination only needs 36 minutes altogether.
The task division that the present invention also can adopt additive method will obtain file destination is local transcoding task and network side downloading task, for example, file destination is divided into 2 parts carries out respectively the download of local transcoding and network side, is about to a1 and a2 and all is made as 0.5.
Because other parts of file destination that the file destination first that local transcoding is obtained and network side download obtain are synthesized also and are needed the regular hour, in order further to optimize the flow process that obtains file destination, can also be according to the difference size of time T 1 and time T 2, the task division whether decision will obtain file destination is local transcoding task and network side downloading task, particularly:
Can computing time T1 deduct the difference T3 of time T 2, in time T 3 during greater than default positive number, download all parts of described file destination from network side, in time T 3 during less than default negative, be file destination in this locality with whole transcodings of source file, when time T 3 is not more than described default positive number and is not less than described default negative, be local transcoding task and network side downloading task with the task division that obtains described file destination.
Default positive number wherein and default negative can be the concrete numerical value of presetting, and also can be the numerical value that presetting method is determined such as to calculate according to default formula.
Source file and file destination in the method shown in Figure 1 are generally audio/video file.
In the method shown in Figure 1, before the division task, receive the source file information and the local unit type information that need transcoding, according to described unit type Information generation transcoding parameter, described transcoding parameter can comprise destination file format information.Wherein, described source file information and described unit type information are generally inputted by the user.
Carrying out described local transcoding task and described network side downloading task comprises:
Determine that according to described source file information needs carry out the source file of described transcoding, according to described transcoding parameter the part of source file is carried out transcoding, obtain the first of file destination; According to described source file information and described transcoding parameter, search file destination from network side, if find described file destination, download other parts except described first the described file destination from described network side.
Wherein, if do not find file destination at network side, then multiple processing mode can be arranged, for example, initiate the transcoding task to network side, network side is after the file destination with the source file transcoding, file destination is downloaded to this locality, perhaps, prompting user does not find file destination at network side, therefore needs to obtain by local transcoding all parts of file destination.
Wherein, when carrying out the network side downloading task, general from the resources bank of network side the off-line downloading object file.
Store source file, transcoding configuration information and file destination in the described resources bank.In can be in the following way any one or multiplely set up described resources bank:
Mode one: the file destination behind resources bank receives and the storage user uploads source file, transcoding parameter and the transcoding.
Mode two, when in resources bank, not finding the file destination that the user need to download, whether the network side prompting user initiates the transcoding task, if the user initiates the transcoding task, then network side is according to the source file information and the transcoding parameter that receive, described source file is carried out transcoding, the file destination in described resources bank behind storage described source file, transcoding parameter and the transcoding.
Mode three, network side are regularly carried out the transcoding task, and source file is converted to file destination according to default transcoding parameter, the file destination in described resources bank behind storage described source file, transcoding parameter and the transcoding.
When the local transcoding task of executed in parallel and network side downloading task, carrying out described local transcoding task specifically can comprise: described source file is decomposed into video flowing and audio stream, described video flowing is carried out transcoding, obtain the first video flowing behind the transcoding, described audio stream is carried out transcoding, obtain the first audio stream behind the transcoding, the video flowing after the synthetic conversion and the audio stream behind the transcoding obtain the first of the file destination behind the transcoding.
When the local transcoding task of executed in parallel and network side downloading task, carrying out the network side downloading task specifically can comprise: from the resources bank of network side, off-line is downloaded other parts except described first in the described file destination, stores other parts except described first in the described file destination into this locality.
Other parts beyond described first and the described first are merged specifically and can comprise:
The first of described file destination is decomposed into the first video flowing and the first audio stream, be the second video flowing and the second audio stream with other decomposeds beyond the described first, described the first video flowing and the second video flowing are decoded respectively, decoded the first video flowing and the second video flowing merged obtain complete file destination video flowing, described the first audio stream and the second audio stream are decoded respectively, decoded the first audio stream and the second audio stream merged obtain complete file destination audio stream, described complete file destination video flowing and described complete file destination audio stream are synthesized, obtain described file destination.
As seen, by method shown in Figure 1, as long as the user specifies the model of the target device of expectation, and select to carry out the local file of transcoding, the present invention can be by becoming task division local transcoding task and network side downloading task, the described local transcoding task of executed in parallel and network side downloading task, realize that transcoding is downloaded on one side on one side, at last transcoding result and download result are synthesized, can obtain needed file destination, effectively solve the problem of local transcoding overlong time, satisfied rapidly the audio-visual broadcast demand of user on handheld device.
The present invention also provides a kind of system that obtains the file destination behind the transcoding, specifically sees also Fig. 2.
Fig. 2 is that the system of the file destination behind the acquisition transcoding provided by the invention forms schematic diagram.
As shown in Figure 2, this system comprises task assignment subsystem 201, local transcoding subsystem 202, network side download subsystem 203 and synthon system 204.
Network side is downloaded subsystem 203, is used for downloading described file destination other parts except described first.
Wherein, local transcoding subsystem 202 and network side are downloaded subsystem 203 parallel runnings.
As seen from Figure 2, the system of acquisition file destination provided by the invention mainly comprises four sub-systems, task assignment subsystem wherein mainly is responsible for the again division of the task of acquisition file destination, if the local file of user selection transcoding and transcoding mode all exist in the resources bank of network side, the task that then will obtain file destination is divided into two parts, a part is carried out the local file transcoding by local transcoding subsystem, another part is then downloaded the remainder that subsystem is downloaded corresponding document by network side, then the part of by the synthon system part and the network side of local transcoding being downloaded merges output, thereby obtains file destination.
The below describes in detail to the various piece of system shown in Figure 2.
Described time evaluation module is used for resource allocation information and resource occupation information estimator time T 1 according to this locality, according to resource occupation information and the network bandwidth information estimator time T 2 of network side.
Described task division module is used for according to time T 1 and time T 2, is local transcoding task and network side downloading task with the task division that obtains described file destination.
Described task division module, can be defined as T2/ (T1+T2) for the ratio a1 that described first is accounted for described file destination, the ratio a2 that other parts beyond the described first is accounted for described file destination is defined as T1/ (T1+T2), and the task division that will obtain described file destination according to a1 and a2 is local transcoding task and network side downloading task.
Described source file and described file destination are generally audio/video file.
Fig. 3 is the composition schematic diagram of local transcoding subsystem 202.
As shown in Figure 3, described local transcoding subsystem comprises transcoding parameter generation module 301, audio/video flow separation module 302, audio decoder module 303, video decode module 304, audio coding module 305, video encoding module 306 and audio/video flow synthesis module 307.
Transcoding parameter generation module 301 receives the source file information and the local unit type information that need transcoding, and according to described unit type Information generation transcoding parameter, described transcoding parameter can comprise destination file format information.
Audio/video flow separation module 302 is used for the part of described source file is separated into compressed audio stream and compressing video frequency flow, and isolated compressed audio stream is outputed to audio decoder module 303, and isolated compressing video frequency flow is outputed to video decode module 304.
Audio/video flow synthesis module 307, the compressing video frequency flow that is used for the compressed audio stream that will receive and file destination synthesizes the first of described file destination.
Network side download module 203 wherein can comprise resources bank file matching module and off-line download module.
Described resources bank file matching module, be used for reception sources file identification information and transcoding parameter, according to whether having described file destination in described source file identification information and the transcoding parameter query resources bank, when in resources bank, having described file destination, send the download indication to described off-line download module.
Described off-line download module is used for described file destination is downloaded to described this locality from described resources bank.
Fig. 4 is the composition schematic diagram of synthon system 204.
As shown in Figure 4, synthon system 204 comprises audio/video flow separation module 401, audio decoder module 402, video decode module 403 and audio/video flow synthesis module 404.
Audio/video flow separation module 401 is used for the first audio stream and the first video flowing are resolved in the first of described file destination, and described file destination other decomposeds except described first are become the second audio stream and the second video flowing.
Audio decoder module 402 is used for described the first audio stream and described the second audio stream are decoded as respectively the first raw audio streams and the second raw audio streams.
Video decode module 403 is used for described the second video flowing and described the second video flowing are decoded as respectively the first original video stream and the second original video stream.
Audio/video flow synthesis module 404, be used for the first raw audio streams and the second raw audio streams are merged into the audio stream of file destination, the first original video stream and the second original video stream are merged into the video flowing of file destination, the audio stream of file destination and the video flowing of file destination are synthesized described file destination.
In system shown in Figure 4, be provided with two audio/video flow separation modules 401, two audio decoder modules 402 and two video decode modules 403, the audio/video file fragment audio/video file fragment that download is finished with network side that is respectively applied to that local transcoding is finished is carried out audio/video flow and is separated, audio stream decoding or decoding video stream, in actual applications, an audio/video flow separation module 401 can be set physically, an audio decoder module 402 and a video decode module 403, audio/video flow separation module 401, audio decoder module 402 and video decode module 403 be in when work, and the audio/video file fragment that local transcoding is finished and network side are downloaded the audio/video file fragment of finishing and carried out respectively audio/video flow and separate, audio decoder and video decode.
System shown in Figure 2 can also comprise resources bank, described resources bank, be used for to receive and source file, transcoding parameter and transcoding that the storage user uploads after file destination; And/or, when in resources bank, not finding the file destination that the user need to download, whether the network side prompting user initiates the transcoding task, if the user initiates the transcoding task, according to the source file information and the transcoding parameter that receive, described source file is carried out transcoding, the file destination in described resources bank behind storage described source file, transcoding parameter and the transcoding; And/or network side is regularly carried out the transcoding task, and source file is converted to file destination according to default transcoding parameter, the file destination in described resources bank behind storage described source file, transcoding parameter and the transcoding.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (18)
1. method that obtains the file destination behind the transcoding is characterized in that the method comprises:
According to being the required time T of file destination 1 with local source file transcoding and downloading the required time T of described file destination 2 from network side, be local transcoding task and network side downloading task with the task division that obtains described file destination;
The described local transcoding task of executed in parallel and described network side downloading task, wherein, by carrying out described local transcoding task, the part of described source file is carried out described transcoding, obtain the first of described file destination, by carrying out described network side downloading task, download other parts except described first in the described file destination;
Other parts beyond described first and the described first are merged, obtain complete described file destination.
2. method according to claim 1 is characterized in that, describedly is divided into local transcoding task and the network side downloading task comprises:
According to being the required time T of file destination 1 with local source file transcoding and downloading the required time T of described file destination 2 from network side, be local transcoding task and network side downloading task with the task division that obtains described file destination.
3. method according to claim 2 is characterized in that, the method also comprises:
According to resource allocation information and the resource occupation information estimator time T 1 of this locality, according to resource occupation information and the network bandwidth information estimator time T 2 of network side.
4. method according to claim 2 is characterized in that, the described task division that will obtain described file destination is that local transcoding task and network side downloading task comprise:
The ratio a1 that described first is accounted for described file destination is defined as T2/ (T1+T2), the ratio a2 that other parts beyond the described first is accounted for described file destination is defined as T1/ (T1+T2), and the task division that will obtain described file destination according to a1 and a2 is local transcoding task and network side downloading task.
5. method according to claim 1 is characterized in that, described source file and described file destination are audio/video file, carries out described local transcoding task and comprises:
Described source file is decomposed into video flowing and audio stream, described video flowing is carried out transcoding, obtain the first video flowing behind the transcoding, described audio stream is carried out transcoding, obtain the first audio stream behind the transcoding, video flowing after the synthetic conversion and the audio stream behind the transcoding obtain the first of the file destination behind the transcoding.
6. method according to claim 5 is characterized in that, other parts beyond described first and the described first is merged comprise:
The first of described file destination is decomposed into the first video flowing and the first audio stream, be the second video flowing and the second audio stream with other decomposeds beyond the described first, described the first video flowing and the second video flowing are decoded respectively, decoded the first video flowing and the second video flowing merged obtain complete file destination video flowing, described the first audio stream and the second audio stream are decoded respectively, decoded the first audio stream and the second audio stream merged obtain complete file destination audio stream, described complete file destination video flowing and described complete file destination audio stream are synthesized, obtain described file destination.
7. method according to claim 2 is characterized in that, the method also comprises:
Computing time, T1 deducted the difference T3 of time T 2, in time T 3 during greater than default positive number, download all parts of described file destination from network side, in time T 3 during less than default negative, be file destination in this locality with whole transcodings of source file, when time T 3 is not more than described default positive number and is not less than described default negative, be local transcoding task and network side downloading task with the task division that obtains described file destination.
8. method according to claim 1 is characterized in that, is before local transcoding task and the network side downloading task with the task division that obtains described file destination, and the method also comprises:
Reception needs source file information and the local unit type information of transcoding, according to described unit type Information generation transcoding parameter;
Carrying out described local transcoding task and described network side downloading task comprises:
Determine that according to described source file information needs carry out the source file of described transcoding, according to described transcoding parameter the part of source file is carried out transcoding, obtain the first of file destination;
According to described source file information and described transcoding parameter, search file destination from network side, if find described file destination, download other parts except described first the described file destination from described network side.
9. method according to claim 8 is characterized in that, downloads from described network side that other parts except described first comprise the described file destination:
From the resources bank of network side, off-line is downloaded other parts except described first in the described file destination, stores other parts except described first in the described file destination into this locality.
10. method according to claim 9 is characterized in that, the method also comprises:
File destination behind resources bank receives and the storage user uploads source file, transcoding parameter and the transcoding;
And/or, when in resources bank, not finding the file destination that the user need to download, whether the network side prompting user initiates the transcoding task, if the user initiates the transcoding task, then network side is according to the source file information and the transcoding parameter that receive, described source file is carried out transcoding, the file destination in described resources bank behind storage described source file, transcoding parameter and the transcoding;
And/or network side is regularly carried out the transcoding task, and source file is converted to file destination according to default transcoding parameter, the file destination in described resources bank behind storage described source file, transcoding parameter and the transcoding.
11. a system that obtains the file destination behind the transcoding is characterized in that, this system comprises task assignment subsystem, local transcoding subsystem, network side download subsystem and synthon system;
Described task assignment subsystem is local transcoding task and network side downloading task for the task division that will obtain described file destination;
Described local transcoding subsystem is used for the part of described source file is carried out described transcoding, obtains the first of described file destination;
Described network side is downloaded subsystem, is used for downloading described file destination other parts except described first;
Described synthon system is used for other parts beyond described first and the described first are merged, and obtains complete described file destination;
Wherein, described local transcoding subsystem and described network side are downloaded the subsystem parallel running.
12. system according to claim 11 is characterized in that,
Described task assignment subsystem, being used for according to being the required time T of file destination 1 with local source file transcoding and downloading the required time T of described file destination 2 from network side, is local transcoding task and network side downloading task with the task division that obtains described file destination.
13. system according to claim 12 is characterized in that, described task assignment subsystem comprises time evaluation module and task division module;
Described time evaluation module is used for resource allocation information and resource occupation information estimator time T 1 according to this locality, according to resource occupation information and the network bandwidth information estimator time T 2 of network side;
Described task division module is used for according to time T 1 and time T 2, is local transcoding task and network side downloading task with the task division that obtains described file destination.
14. system according to claim 13 is characterized in that,
Described task division module, be defined as T2/ (T1+T2) for the ratio a1 that described first is accounted for described file destination, the ratio a2 that other parts beyond the described first is accounted for described file destination is defined as T1/ (T1+T2), and the task division that will obtain described file destination according to a1 and a2 is local transcoding task and network side downloading task.
15. system according to claim 11, it is characterized in that, described source file and described file destination are audio/video file, and described local transcoding subsystem comprises transcoding parameter generation module, audio/video flow separation module, audio decoder module, video decode module, audio coding module, video encoding module and audio/video flow synthesis module;
Described transcoding parameter generation module receives the source file information and the local unit type information that need transcoding, according to described unit type Information generation transcoding parameter;
Described audio/video flow separation module is used for the part of described source file is separated into compressed audio stream and compressing video frequency flow, and isolated compressed audio stream is outputed to the audio decoder module, and isolated compressing video frequency flow is outputed to the video decode module;
Described audio decoder module, the compressed audio stream that is used for receiving is decoded into raw audio streams, and this raw audio streams is exported to the audio coding module;
Shown in the video decode module, the compressing video frequency flow that is used for receiving is decoded into original video stream, and this original video stream is exported to video encoding module;
Described audio coding module is used for according to described transcoding parameter, and the compressed audio that the raw audio streams that receives is encoded into file destination flows, and the compressed audio stream of file destination is exported to the audio/video flow synthesis module;
Described video encoding module is used for according to described transcoding parameter, and the original video stream that receives is encoded into the compressing video frequency flow of file destination, and the compressing video frequency flow of file destination is exported to the audio/video flow synthesis module;
Described audio/video flow synthesis module, the compressing video frequency flow that is used for the compressed audio stream that will receive and file destination synthesizes the first of described file destination.
16. system according to claim 11 is characterized in that, described network side download module comprises resources bank file matching module and off-line download module;
Described resources bank file matching module, be used for reception sources file identification information and transcoding parameter, according to whether having described file destination in described source file identification information and the transcoding parameter query resources bank, when in resources bank, having described file destination, send the download indication to described off-line download module;
Described off-line download module is used for described file destination is downloaded to described this locality from described resources bank.
17. system according to claim 11 is characterized in that, described synthon system comprises audio/video flow separation module, audio decoder module, video decode module and audio/video flow synthesis module;
Described audio/video flow separation module is used for the first audio stream and the first video flowing are resolved in the first of described file destination, and described file destination other decomposeds except described first are become the second audio stream and the second video flowing;
Described audio decoder module is used for described the first audio stream and described the second audio stream are decoded as respectively the first raw audio streams and the second raw audio streams;
Described video decode module is used for described the second video flowing and described the second video flowing are decoded as respectively the first original video stream and the second original video stream;
Described audio/video flow synthesis module, be used for the first raw audio streams and the second raw audio streams are merged into the audio stream of file destination, the first original video stream and the second original video stream are merged into the video flowing of file destination, the audio stream of file destination and the video flowing of file destination are synthesized described file destination.
18. system according to claim 11 is characterized in that, the system of the file destination behind the described acquisition transcoding also comprises resources bank;
Described resources bank, be used for to receive and source file, transcoding parameter and transcoding that the storage user uploads after file destination; And/or, when in resources bank, not finding the file destination that the user need to download, whether prompting user initiates the transcoding task, if the user initiates the transcoding task, according to the source file information and the transcoding parameter that receive, described source file is carried out transcoding, store the file destination behind described source file, transcoding parameter and the transcoding; And/or network side is regularly carried out the transcoding task, and source file is converted to file destination according to default transcoding parameter, stores the file destination behind described source file, transcoding parameter and the transcoding.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104573475A (en) * | 2014-12-31 | 2015-04-29 | 乐视网信息技术（北京）股份有限公司 | Method and system for authenticating transcoding service program |
| WO2017096947A1 (en) * | 2015-12-07 | 2017-06-15 | 乐视控股（北京）有限公司 | Real-time control method and device for real-time transcoding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104573475A (en) * | 2014-12-31 | 2015-04-29 | 乐视网信息技术（北京）股份有限公司 | Method and system for authenticating transcoding service program |
| WO2017096947A1 (en) * | 2015-12-07 | 2017-06-15 | 乐视控股（北京）有限公司 | Real-time control method and device for real-time transcoding |
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Application publication date: 20130109 |