CN104935952A - Video transcoding method and system - Google Patents
Video transcoding method and system Download PDFInfo
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- CN104935952A CN104935952A CN201410097925.2A CN201410097925A CN104935952A CN 104935952 A CN104935952 A CN 104935952A CN 201410097925 A CN201410097925 A CN 201410097925A CN 104935952 A CN104935952 A CN 104935952A
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Abstract
The invention provides a video transcoding method and method. The method comprises a task generation step: generating a video transcoding task; a transcoding start step: starting a corresponding transcoding unit according to a source format and a target format; a transcoding step: carrying out the transcoding of a source video through the transcoding unit, and outputting a target video; a transmission steps: transmitting the target video to a terminal, so as to achieve a purpose that the terminal can play the target video. The method and system can automatically generate the video transcoding task and achieve the call of the corresponding transcoding unit, can achieve the transcoding of the source video and the output of the target video, facilitate the automatic transcoding of videos, and meet the demands of a user for playing videos on a website or in a television program.
Description
Technical field
The present invention relates to Video Transcoding Technology field, particularly relate to a kind of video transcoding method and system.
Background technology
Video coding is widely used in the occasions such as Internet transmission of video, Digital Television, video conference.Different application has different requirements to Video Codec, video data Store form, web-transporting device etc.The coding standard worked out for specific area is also not quite similar, as: MPEG22 standard digital TV oriented; H.263 for formulations such as videoconferences; The super Low Bit-rate Coding of MPEG24 is more suitable for mobile multimedia application etc.In order to make between access devices between heterogeneous network, different and can seamless link between different multimedia data format, Video Transcoding Technology just seems particularly important, for example in video on-demand system, after video server adds transcoder, people can pass through wireless request video-on-demand service; In supervisory control system, after contextual data transcoding, just In2ternet remote monitoring can be passed through; In digital television broadcasting field, if think that any one multimedia terminal can receiving digital broadcast, then from code check to resolution, all transcoding work must be completed by the equipment of similar Set Top Box or video gateway.
Video Transcoding Technology processes end to end to compressed video exactly, namely transcoder input, export be all packed data, the compression bit rate after transcoding more can adapt to the requirement of transmission bandwidth and receiving terminal.That is, video code conversion refers to and converts the video code rate of compressed encoding to another video code rate, to adapt to the different network bandwidths, different terminal processing capacity and different user's requests.Transcoding is one in essence and first decodes, the process of re-encoding, and the code check before and after therefore changing may follow identical video encoding standard, also may not follow identical video encoding standard.
Traditional video code conversion mode sends to terminal player to play after usually manually carrying out transcoding according to dissimilar terminal again.Such as, the broadcasting of competitive sports, needs personnel to call transcoding device according to the demand of terminal and carries out transcoding to the video that scene is recorded.When needs are transferred on computer web player, personnel need invoking web page video transcoding device; And for the video that mobile phone is play, broadcast format etc. are different again from the video that computer is play, and now, personnel need again calling mobile phone video transcoding device.Therefore, traditional this video code conversion mode can not carry out automatic transcoding.
Summary of the invention
The object of the invention is to provide a kind of video transcoding method and system, it can carry out transcoding to source video by Automatically invoked transcoding device automatically, to meet the demand of different terminals, achieves the automation transcoding of video quickly and easily.
To achieve these goals, the invention provides a kind of video transcoding method, wherein, comprising:
Task generation step: generating video transcoding task; Described video code conversion task comprises the source format of source video and the object format of object video;
Start transcoding step: start corresponding transcoding units according to described source format and described object format;
Transcoding step: described transcoding units carries out transcoding to described source video, exports described object video;
Transfer step: transmit described object video to terminal.
Further, between described transcoding step and described transfer step, also comprise: subsequent process steps: described object video is proofreaded.
Further, described task generation step specifically comprises: the user's request according to the described terminal of access generates described video code conversion task; The code check of described object video is generated according to the network bandwidth of described terminal accessed and the disposal ability of described terminal; Described transcoding step specifically comprises: described transcoding units carries out transcoding according to described object format and described code check to described source video, exports described object video.
Further, before described task generation step, also comprise: configure multiple described transcoding units, the corresponding source format of each described transcoding units and an object format.
Further, described object format comprises mp4, flv and rmvb.
Present invention also offers a kind of video code conversion system, wherein, comprising:
Task generation module, for generating video transcoding task, described video code conversion task comprises the source format of source video and the object format of object video;
Transcoding units, for carrying out transcoding to described source video, exports described object video;
Video code conversion module, for starting corresponding described transcoding units according to described source format and described object format; With
Sending module, for transmitting described object video to terminal.
Further, also comprise: subsequent treatment module, for proofreading described object video.
Further, also comprise: receiver module, for obtaining the network bandwidth of the described terminal of access, the disposal ability of described terminal and/or user's request and sending described task generation module to; Described task generation module generates described video code conversion task specifically for the user's request of the described terminal according to access and generates the code check of described object video according to the network bandwidth of described terminal accessed and the disposal ability of described terminal; Described transcoding units is specifically for carrying out transcoding according to described object format and described code check to described source video and exporting described object video.
Further, described transcoding units is configured to multiple, the corresponding source format of each described transcoding units and an object format.
Further, described transcoding units comprises data interface module, hardware interface module, memory management module, transcoding algorithm module, data processing module, control and management module and interactive module.
Video transcoding method of the present invention and system are due to can generating video transcoding task and call corresponding transcoding units automatically, transcoding is carried out to source video and exports object video, achieve the automation transcoding of video quickly and easily, meet the broadcasting of user in website or TV programme etc.
Further, video transcoding method of the present invention and system can be proofreaded the object video after transcoding, increase the preparation of object video.
Further, video transcoding method of the present invention and system can according to the user's request generating video transcoding tasks of the terminal of access; Generate the code check of described object video according to the network bandwidth of terminal accessed and the disposal ability of terminal, improve the ability of object video adaptation terminal further, ensure that the video of terminal plays is the video of first water.
Further, in video transcoding method of the present invention and system, configure multiple transcoding units, the conversion carrying out between multiple object video to one or more sources video can be realized simultaneously, improve the utilance of automatic trans-coding system.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the flow chart of video transcoding method according to an embodiment of the invention;
Fig. 2 is the flow chart of video transcoding method according to another embodiment of the present invention
Fig. 3 is the structured flowchart of video code conversion system according to an embodiment of the invention;
Fig. 4 is the structured flowchart of video code conversion system according to another embodiment of the present invention.
Embodiment
Fig. 1 is the flow chart of video transcoding method according to an embodiment of the invention.Embodiments provide a kind of video transcoding method, it comprises:
Task generation step 100: generating video transcoding task.Video code conversion task comprises the source format of source video and the object format of object video.The transcoding units converting different object format needs due to different source formats to is different, and therefore video code conversion task must clear and definite source format and object format.Such as, source format can be learnt according to the form of source video, and object format can be learnt according to the user's request of terminal.
Start transcoding step 200: start corresponding transcoding units according to source format and object format.
Transcoding step 300: transcoding units carries out transcoding to source video, exports object video.
Transfer step 400: transmit object video and play to terminal, can the content of broadcast source video to realize terminal, namely plays object video.
The video transcoding method of the present embodiment can generating video transcoding task, Automatically invoked transcoding units and automatically carry out transcoding and automatically transmit object video automatically, fully achieves the automation of transcoding, rapid, convenient, efficient.Such as, can be used for converting source video file the object video files such as to mp4, flv, the difference of form converts different object video file automatically to according to demand, meets the broadcasting etc. of user in website or TV programme, achieves the automation transcoding of video easily and fast.
In another one embodiment of the present invention, as shown in Figure 2, in video transcoding method, before task generation step 100, also comprise: configure multiple transcoding units, the corresponding source format of each transcoding units and an object format.
Between transcoding step 300 and transfer step 400, also comprise subsequent process steps 350: object video is proofreaded, or carry out the data processing of other side, as encryption etc.Carry out the completeness that subsequent treatment can ensure object video, make object video be in high quality status, prevent the omission etc. of data.
Task generation step 100 specifically comprises: according to the user's request generating video transcoding task of the terminal of access; The code check of object video is generated according to the network bandwidth of the terminal of access and the disposal ability of terminal; Transcoding step 300 specifically comprises: transcoding units carries out transcoding according to object format and code check to source video, exports object video.Each terminal can play the video of one or more forms, and user can determine a kind of video format type oneself liked according to the demand of oneself, and object format can comprise mp4, flv and rmvb etc.Disposal ability again due to the transmittability and terminal self of the network bandwidth of terminal is different, and the code check of its object video that can play also is different.In order to make the broadcasting of object video be in high definition and high fluency state, transcoding units, when transcoding, automatically to carry out transcoding according to the code check of object video.By well-known to those skilled in the art, code check is higher, object video and source video more close.But code check is higher, the transfer resource of needs is larger, can affect the fluency of terminal plays, considers these factors, and the code check of the object video that transcoding units exports must be best suited for the code check of terminal plays, maximizes with the utilization improving equipment.
According to a further aspect in the invention, as shown in Figure 3, provide a kind of video code conversion system, it comprises task generation module 10, video code conversion module 20, transcoding units 30 and sending module 40.Task generation module 10 is for generating video transcoding task, and video code conversion task comprises the source format of source video and the object format of object video.Transcoding units 30, for carrying out transcoding to source video, exports object video.Video code conversion module 20 is for starting corresponding transcoding units 30 according to source format and object format.Sending module 40, for transmitting object video to terminal.
In another one embodiment of the present invention, as shown in Figure 4, video code conversion system also comprises receiver module 11 and subsequent treatment module 35.Receiver module 11 is for obtaining the network bandwidth of the terminal of access, the disposal ability of terminal and/or user's request and sending task generation module 10 to.Particularly, the disposal ability of the user's request generating video transcoding task of task generation module 10 for the terminal according to access and the network bandwidth according to the terminal of access and terminal generates the code check of object video; Transcoding units 30 is for carrying out transcoding according to object format and code check to source video and exporting object video.Subsequent treatment module 35 for proofreading object video, or carries out other process, as can be used for encryption etc.
Transcoding units 30 is configured to multiple.Each transcoding units 30 comprises data interface module, hardware interface module, memory management module, transcoding algorithm module, data processing module, control and management module and interactive module.Data interface module is responsible for the input and output of deal with data, hardware interface module is responsible for communicating with computer hardware driver, memory management module is responsible for the distribution of the memory spaces such as internal memory, the algorithm means that transcoding algorithm module provides transcoding to deal with the work, data processing module carries out the concrete data processing of transcoding, control and management module carries out control and the information processing of whole transcoding work, interactive module provides the mutual of task generation module 10 and transcoding units 30, obtains the parameter information such as object format, code check of object video.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. a video transcoding method, is characterized in that, comprising:
Task generation step: generating video transcoding task; Described video code conversion task comprises the source format of source video and the object format of object video;
Start transcoding step: start corresponding transcoding units according to described source format and described object format;
Transcoding step: described transcoding units carries out transcoding to described source video, exports described object video;
Transfer step: transmit described object video to terminal.
2. video transcoding method according to claim 1, is characterized in that, between described transcoding step and described transfer step, also comprises:
Subsequent process steps: described object video is proofreaded.
3. video transcoding method according to claim 1, is characterized in that, described task generation step specifically comprises: the user's request according to the described terminal of access generates described video code conversion task; The code check of described object video is generated according to the network bandwidth of described terminal accessed and the disposal ability of described terminal;
Described transcoding step specifically comprises: described transcoding units carries out transcoding according to described object format and described code check to described source video, exports described object video.
4. video transcoding method according to claim 1, is characterized in that, before described task generation step, also comprises: configure multiple described transcoding units, the corresponding source format of each described transcoding units and an object format.
5. video transcoding method according to claim 1, is characterized in that, described object format comprises mp4, flv and rmvb.
6. a video code conversion system, is characterized in that, comprising:
Task generation module, for generating video transcoding task, described video code conversion task comprises the source format of source video and the object format of object video;
Transcoding units, for carrying out transcoding to described source video, exports described object video;
Video code conversion module, for starting corresponding described transcoding units according to described source format and described object format; With
Sending module, for transmitting described object video to terminal.
7. video code conversion system according to claim 6, is characterized in that, also comprise:
Subsequent treatment module, for proofreading described object video.
8. video code conversion system according to claim 6, is characterized in that, also comprise:
Receiver module, for obtaining the network bandwidth of the described terminal of access, the disposal ability of described terminal and/or user's request and sending described task generation module to;
Described task generation module generates described video code conversion task specifically for the user's request of the described terminal according to access and generates the code check of described object video according to the network bandwidth of described terminal accessed and the disposal ability of described terminal;
Described transcoding units is specifically for carrying out transcoding according to described object format and described code check to described source video and exporting described object video.
9. video code conversion system according to claim 6, is characterized in that, described transcoding units is configured to multiple, the corresponding source format of each described transcoding units and an object format.
10. video code conversion system according to claim 6, is characterized in that, described transcoding units comprises data interface module, hardware interface module, memory management module, transcoding algorithm module, data processing module, control and management module and interactive module.
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| CN201410097925.2A CN104935952B (en) | 2014-03-17 | 2014-03-17 | A kind of video transcoding method and system |
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| CN105430236A (en) * | 2015-12-22 | 2016-03-23 | 北京天诚盛业科技有限公司 | Method for quickly converting image output formats |
| CN106331523A (en) * | 2016-08-18 | 2017-01-11 | 上海港聚信息科技有限公司 | Online internet high-definition/ super-definition cinema system |
| CN107786873A (en) * | 2016-08-30 | 2018-03-09 | 山大鲁能信息科技有限公司 | The recorded broadcast method and system of automatic video frequency transcoding package form based on transcoding queue |
| WO2018121738A1 (en) * | 2016-12-30 | 2018-07-05 | 北京奇虎科技有限公司 | Method and apparatus for processing streaming data task |
| CN110740349A (en) * | 2018-07-19 | 2020-01-31 | 视联动力信息技术股份有限公司 | Video transcoding method and device |
| CN111182324A (en) * | 2020-01-13 | 2020-05-19 | 张益兰 | Video data processing method and server |
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| CN111182324A (en) * | 2020-01-13 | 2020-05-19 | 张益兰 | Video data processing method and server |
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Denomination of invention: A video transcoding method and system Effective date of registration: 20210104 Granted publication date: 20180619 Pledgee: Inner Mongolia Huipu Energy Co.,Ltd. Pledgor: WUXI TVMINING MEDIA SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2020990001517 |
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