CN102957902A - Method and device for adapting transcoding parameters of audio/video in handheld device - Google Patents
Method and device for adapting transcoding parameters of audio/video in handheld device Download PDFInfo
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Abstract
The invention discloses a method and a device for adapting transcoding parameters of audio/video in a handheld device. The method includes the steps of judging whether transcoding parameters required by the handheld device are present in a configuration library or not; when the presence is affirmative, acquiring the transcoding parameters and supplying the transcoding parameters to the handheld device for audio/video conversion. The method provides multiple ways for acquiring transcoding parameters and can be used to find out more appropriate transcoding parameters for the handheld device. In addition, the method allows the handheld device to customize the transcoding parameters, share the parameters with other handheld devices and accept evaluative feedback from the other handheld devices, so that the problem that coverage of handheld device models is incomplete can be solved and great convenience is brought to users of handheld devices.
Description
Technical field
The present invention relates to the configuring technical of audio frequency and video transcoding parameter, specially refer to a kind of adaptation method and device of handheld device middle pitch video code conversion parameter.
Background technology
Along with the development of science and technology, handheld device more and more is used widely, and has just like become the necessity of people's daily life.Handheld device of the prior art of a great variety, such as mobile phone, smart mobile phone (such as iPhone) and panel computer (such as iPad) etc., various types of handheld devices also have numerous different manufacturers and model.Because the requirement more and more stronger and user of the disposal ability of handheld device is more and more higher, the alternative ordinary individual's computer of some handheld device (PC) is realized corresponding function simultaneously.Such as: the high-end smartphones that a lot of disposal abilities are powerful and panel computer etc., for satisfying the user to using the more and more higher demand of handheld device playing audio-video, usually done independent optimization for the processing of graph image, so that the multimedia recreation function is perfect gradually.
But because handheld device has strict requirement to the audio frequency and video form of playing, only support the H264 coded format such as iPhone and iPad.In order to carry out in handheld device the broadcast of audio frequency and video, the user needs on PC audio frequency and video to be converted to the form that handheld device is supported first usually, and the audio frequency and video after will changing are again transferred on the handheld device, can play, to user's very inconvenience of use.
If directly carry out the audio frequency and video format conversion in handheld device, then need according to the handheld device of different (differences such as type, producer and model) different transcoding parameters to be set.Only provide the transcoding parameter of some common devices to arrange by default in the existing transcoding software, if the employed handheld device of this default setting and user is not complementary, then may cause the audio frequency and video result of broadcast behind the transcoding undesirable, can't play even.Occur the problems referred to above in the handheld device, need the professional person can solve by particular arrangement, bring very big inconvenience to domestic consumer, be unfavorable for supporting in handheld device the development of audio frequency and video format conversion technology.
Summary of the invention
Main purpose of the present invention has promoted the Adaption efficiency of transcoding parameter for a kind of adaptation method of handheld device middle pitch video code conversion parameter is provided.
The present invention proposes a kind of adaptation method of handheld device middle pitch video code conversion parameter, comprises step:
Judge whether the needed transcoding parameter of handheld device is arranged in the repository;
When described transcoding parameter is arranged, obtain described transcoding parameter and offer handheld device and carry out audio frequency and video conversions.
Preferably, describedly obtain described transcoding parameter and offer handheld device and carry out also comprising after the step of audio frequency and video conversions:
Receive the evaluation information that handheld device is estimated according to the effect of audio frequency and video conversion, upgrade described repository according to described evaluation information.
Preferably, describedly also comprise after judging the step whether needed transcoding parameter of handheld device is arranged in the repository:
When not having described transcoding parameter, receive the self-defining transcoding parameter of handheld device, and upgrade described repository.
Preferably, describedly judge whether have the step of the corresponding transcoding parameter of handheld device specifically to comprise in the repository:
The transcoding parameter whether handheld device has option and installment storehouse acquiescence to provide is provided; When selection was arranged, the transcoding parameter that then extraction acquiescence provides was to handheld device; And/or,
Keyword according to the handheld device input judges whether the transcoding parameter that is associated with described keyword is arranged in the repository; When being associated, then extract the transcoding parameter be associated to handheld device.
Preferably, the transcoding parameter that is associated of described extraction specifically comprises to the step of handheld device:
In repository, search the transcoding parameter that is associated;
After according to weighted value described transcoding parameter being sorted, show handheld device to select; Described weighted value is according to described evaluation information setting.
Preferably, describedly carry out audio frequency and video conversions and specifically comprise:
Audio stream in the audio-video source file is separated with video flowing and decode;
Respectively decoded audio stream and video flowing are encoded according to described transcoding parameter;
Audio stream behind the coding and video flowing are synthesized new media file.
The present invention also provides a kind of adaptive device of handheld device middle pitch video code conversion parameter, comprising:
The parameter judge module is used for judging whether repository has the needed transcoding parameter of handheld device;
Parameter provides module, is used for when described transcoding parameter is arranged, obtains described transcoding parameter and offers handheld device and carry out audio frequency and video conversion.
Preferably, described device also comprises:
Estimate receiver module, be used for receiving the evaluation information that handheld device is estimated according to the effect of audio frequency and video conversion, upgrade described repository according to described evaluation information.
Preferably, described device also comprises:
Self-defined receiver module is used for receiving the self-defining transcoding parameter of handheld device, and upgrading described repository when not having described transcoding parameter.
Preferably, described parameter judge module specifically is used for:
The transcoding parameter whether handheld device has option and installment storehouse acquiescence to provide is provided; When selection is arranged, then provide the module extraction transcoding parameter that acquiescence provides to handheld device by parameter; And/or,
Keyword according to the handheld device input judges whether the transcoding parameter that is associated with described keyword is arranged in the repository; When being associated, then provide the module transcoding parameter that extraction is associated to handheld device by parameter.
Preferably, described parameter provides module specifically to comprise:
Search the unit, be used for searching the transcoding parameter that is associated at repository;
Sequencing unit after according to weighted value described transcoding parameter being sorted, shows handheld device to select; Described weighted value is according to described evaluation information setting.
Preferably, described device also comprises:
Separate decoder module, be used for audio stream with the audio-video source file and separate with video flowing and decode;
Coding module is used for respectively decoded audio stream and video flowing being encoded according to described transcoding parameter;
The media synthesis module, the media file that the audio stream after being used for encoding and video flowing are synthetic new.
The present invention can be handheld device and finds out more suitably transcoding parameter by the evaluation feedback of handheld device to the audio frequency and video conversion effect; Simultaneously, allow the self-defined transcoding parameter of handheld device, and can be shared with other handheld device use and accept other handheld device evaluation feedback, can solve the handheld device model and cover infull problem, bring very big facility for the user of handheld device.
Description of drawings
Fig. 1 is the steps flow chart schematic diagram of adaptation method of the handheld device middle pitch video code conversion parameter of one embodiment of the invention;
Fig. 2 is another steps flow chart schematic diagram of adaptation method of the handheld device middle pitch video code conversion parameter of one embodiment of the invention;
Fig. 3 is the steps flow chart schematic diagram of adaptation method of the handheld device middle pitch video code conversion parameter of another embodiment of the present invention;
Fig. 4 is another steps flow chart schematic diagram of adaptation method of the handheld device middle pitch video code conversion parameter of another embodiment of the present invention;
Fig. 5 is the schematic flow sheet of adaptation method step S103 of the handheld device middle pitch video code conversion parameter of another embodiment of the present invention;
Fig. 6 is the structural representation of adaptive device of the handheld device middle pitch video code conversion parameter of one embodiment of the invention;
Fig. 7 is another structural representation of adaptive device of the handheld device middle pitch video code conversion parameter of one embodiment of the invention;
Fig. 8 is the structural representation of adaptive device of the handheld device middle pitch video code conversion parameter of another embodiment of the present invention;
Fig. 9 is the structural representation that the adaptive device parameter of the handheld device middle pitch video code conversion parameter of another embodiment of the present invention provides module;
Figure 10 is another structural representation of adaptive device of the handheld device middle pitch video code conversion parameter of another embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The invention provides adaptation method and device based on the handheld device middle pitch video code conversion parameter of estimating feedback, by the evaluation feedback of handheld device to the audio frequency and video conversion effect, can be handheld device and find out more suitably transcoding parameter; Simultaneously, allow the self-defined transcoding parameter of handheld device, and can be shared with other handheld device use and accept other handheld device evaluation feedback, can solve the handheld device model and cover infull problem, bring very big facility for the user of handheld device.
With reference to Fig. 1, an embodiment of the adaptation method of a kind of handheld device middle pitch of the present invention video code conversion parameter is proposed.The method can comprise:
Step S10, judge whether the needed transcoding parameter of handheld device is arranged in the repository;
Step S11, when above-mentioned transcoding parameter is arranged, obtain this transcoding parameter and offer handheld device and carry out audio frequency and video conversions.
In the audio frequency and video conversion of handheld device, the repository of transcoding parameter need be set usually, preserve default transcoding parameter and offer the handheld device use.This transcoding parameter can be the corresponding transcoding parameter of handheld device of relatively commonly using.The corresponding transcoding parameter of this handheld device can be the transcoding parameter that audio frequency and video conversion is had (current) best effects on this kind handheld device.Above-mentioned handheld device can comprise mobile phone, smart mobile phone (such as iPhone) and panel computer (such as iPad) etc.
Can preserve the corresponding relation of transcoding parameter and this transcoding parameter and handheld device in the above-mentioned repository.Can be by the transcoding parameter of judging whether handheld device have the acquiescence selected to provide, perhaps select the transcoding parameter obtained by search, judge whether the needed transcoding parameter of handheld device is arranged in this repository.If have, then the selection according to handheld device provides corresponding transcoding parameter to carry out the audio frequency and video transcoding to handheld device.
With reference to Fig. 2, also comprise after the above-mentioned steps S11:
The evaluation information that step S12, reception handheld device are estimated according to the effect of audio frequency and video conversion upgrades above-mentioned repository according to this evaluation information.
This handheld device also can according to the effect of audio frequency and video broadcast after the conversion, be carried out feedback score to this transcoding parameter and produce evaluation information.This repository can be estimated again according to this evaluation information the weighted value of transcoding parameter, upgrades the weight of this transcoding parameter.Can be scoring such as this evaluation information, the higher representation conversion effect of marking is better, when estimation can when time scoring in conjunction with previous scoring and according to default estimation mode Determining Weights value, then need to upgrade this repository when the weighted value of transcoding parameter changes.Renewal by this repository can be so that handheld device can be obtained the transcoding parameter of better effects if.
With reference to Fig. 3, also comprise after the above-mentioned steps S10 in another embodiment:
Step S13, the self-defining transcoding parameter of reception handheld device, and upgrade above-mentioned repository.
In above-mentioned judgement, if when judging the transcoding parameter that does not have the handheld device needs in the above-mentioned repository, then can receive the self-defining transcoding parameter of handheld device, make handheld device carry out the audio frequency and video conversion according to self-defining transcoding parameter, and can preserve this self-defining transcoding parameter and with the corresponding relation of this handheld device to repository, improve the transcoding parameter in the repository, conveniently offer other handheld device and use.
Simultaneously, this self-defining transcoding parameter can receive the feedback score after other handheld device is used and label etc.This labels and can enrich evaluation to the transcoding parameter, provides for repeating such as this transcoding parameter, then can stamp the label of " having ", and this label can be provided or User Defined etc. at random by system.
With reference to Fig. 4, above-mentioned steps S10 specifically comprises:
Step S100, judge the transcoding parameter whether handheld device has option and installment storehouse acquiescence to provide; When selection is arranged, then carry out step S101; Otherwise, carry out step S102;
The transcoding parameter that step S101, extraction acquiescence provide is to handheld device;
Step S102, judge according to the keyword of handheld device input whether the transcoding parameter that is associated with this keyword is arranged in the repository; When being associated, then carry out step S103; Otherwise, carry out step S13;
The transcoding parameter that step S103, extraction are associated is to handheld device.
The corresponding a kind of handheld device model of a kind of transcoding parameter can be set in the above-mentioned repository, and give tacit consent to transcoding parameter default in this repository and be the transcoding parameter that is complementary with handheld device.Handheld device is carried out audio frequency and video when conversion at needs, can select by selection from acquiescence provides, from search and self-defined in one or more modes combine and obtain needed transcoding parameter.The obtain manner of above-mentioned transcoding parameter is independent separately, there is no fixedly use order, is from easily angle layout use order herein.
In the present embodiment, the transcoding parameter that above-mentioned acquiescence provides can offer handheld device and select when needs carry out the audio frequency and video conversion.Handheld device can according to the handheld device model of showing and corresponding transcoding parameter, be selected the transcoding parameter that is complementary with self.Can whether select by judging handheld device, and confirm in the transcoding parameter that this acquiescence provides whether the needed transcoding parameter of handheld device is arranged.If selection is arranged, then extract selected transcoding parameter to handheld device; Otherwise, can provide handheld device to carry out keyword search, make handheld device can continue to seek suitable transcoding parameter.
In this keyword search process, can judge whether the transcoding parameter that is associated with this keyword is arranged in the repository according to the keyword (such as trade name or model etc.) of this handheld device input.If any, then can show handheld device to select.If from acquiescence, select and search is obtained dual mode all do not find corresponding transcoding parameter from repository by above-mentioned, then also can obtain the transcoding parameter by self-defining mode.
With reference to Fig. 5, above-mentioned steps S103 specifically comprises:
Step S1030, in repository, search the transcoding parameter that is associated;
Step S1031, according to weighted value above-mentioned transcoding parameter is sorted after, show handheld device to select; This weighted value is according to above-mentioned evaluation information setting.
Can according to the keyword of handheld device input, in repository, search the transcoding parameter that is associated with this keyword.Be the handheld device model such as this keyword, then can search and the direct corresponding transcoding parameter of this model, perhaps search and the corresponding transcoding parameter of the similar model of this model.After searching, according to weighted value the transcoding parameter of searching is sorted, show handheld device to select.Such as being arranged in order from high to low by weighted value, the high representation conversion of weighted value is effective.As above-mentioned, this weighted value can obtain according to evaluation information.This displaying can comprise the label of showing that the transcoding parameter is stamped, makes things convenient for handheld device to make accurate selection.
Above-mentioned handheld device is carried out audio frequency and video conversions and is specifically comprised: the audio stream in the audio-video source file is separated with video flowing and decode; Respectively decoded audio stream and video flowing are encoded according to above-mentioned transcoding parameter; And, the audio stream behind the coding and video flowing are synthesized new media file.
The transfer process of above-mentioned audio frequency and video can be: at first the audio-video document of needs conversions resolved, and with the separation of audio stream, video flowing; Then respectively audio stream, video flowing are decoded, respectively decoded audio stream, video flowing are encoded according to the transcoding parameter, the audio stream after will encoding at last, the synthetic new media file of video flowing are finished the conversion of audio frequency and video.
The adaptation method of above-mentioned handheld device middle pitch video code conversion parameter, by the evaluation feedback of handheld device to the audio frequency and video conversion effect, can give corresponding weight to transcoding parameter corresponding with handheld device in the repository, height by weight is distinguished the quality (then conversion effect is good such as the weight height) of conversion effect, so can be handheld device and finds out more suitably transcoding parameter; Simultaneously, allow the self-defined transcoding parameter of handheld device, can be shared with other handheld device and use and accept other handheld device evaluation feedback, can constantly improve and revise transcoding parameter corresponding to handheld device in the repository by this kind mode, can solve the handheld device model and cover infull problem, bring very big facility for the user of handheld device.
With reference to Fig. 6, an embodiment of the adaptive device 20 of a kind of handheld device middle pitch of the present invention video code conversion parameter is proposed.This device 20 can comprise: parameter judge module 21 and parameter provide module 22; This parameter judge module 21 is used for judging whether repository has the needed transcoding parameter of handheld device; This parameter provides module 22, is used for when above-mentioned transcoding parameter is arranged, obtains this transcoding parameter and offers handheld device and carry out audio frequency and video conversion.
In the audio frequency and video conversion of handheld device, the repository of transcoding parameter need be set usually, preserve default transcoding parameter and offer the handheld device use.This transcoding parameter can be the corresponding transcoding parameter of handheld device of relatively commonly using.The corresponding transcoding parameter of this handheld device can be the transcoding parameter that audio frequency and video conversion is had (current) best effects on this kind handheld device.Above-mentioned handheld device can comprise mobile phone, smart mobile phone (such as iPhone) and panel computer (such as iPad) etc.
Can preserve the corresponding relation of transcoding parameter and this transcoding parameter and handheld device in the above-mentioned repository.Can judge the transcoding parameter whether handheld device has the acquiescence selected to provide by above-mentioned parameter judge module 21, perhaps judge whether the transcoding parameter that selection is obtained by search, judge with this whether needed transcoding parameter of handheld device is arranged in this repository.If have, then provide module 22 to provide corresponding transcoding parameter to carry out the audio frequency and video transcoding to handheld device according to the selection of handheld device by above-mentioned parameter.
With reference to Fig. 7, said apparatus 20 also can comprise: this evaluation receiver module 23, be used for receiving the evaluation information that handheld device is estimated according to the effect of audio frequency and video conversion, and upgrade above-mentioned repository according to this evaluation information.
This handheld device also can according to the effect of audio frequency and video broadcast after the conversion, be carried out feedback score to this transcoding parameter and produce evaluation information.Above-mentioned evaluation receiver module 23 can receive this evaluation information, and again estimates the weighted value of transcoding parameter, the weight of this transcoding parameter in the Reconfigurations storehouse according to this evaluation information.Can be scoring such as this evaluation information, the higher representation conversion effect of marking is better, when estimation can when time scoring in conjunction with previous scoring and according to default estimation mode Determining Weights value, then need to upgrade this repository when the weighted value of transcoding parameter changes.Renewal by this repository can be so that handheld device can be obtained the transcoding parameter of better effects if.
With reference to Fig. 8, said apparatus 20 also comprises among another embodiment: self-defined receiver module 24 is used for receiving the self-defining transcoding parameter of handheld device, and upgrading above-mentioned repository when not having above-mentioned transcoding parameter.
In the judgement of above-mentioned parameter judge module 21, if when judging the transcoding parameter that does not have the handheld device needs in the above-mentioned repository, then can receive the self-defining transcoding parameter of handheld device by above-mentioned self-defined receiver module 24, make handheld device carry out the audio frequency and video conversion according to self-defining transcoding parameter, and can preserve this self-defining transcoding parameter and with the corresponding relation of this handheld device to repository, improve the transcoding parameter in the repository, conveniently offer other handheld device and use.
Simultaneously, this self-defining transcoding parameter can receive the feedback score after other handheld device is used and label etc.This labels and can enrich evaluation to the transcoding parameter, provides for repeating such as this transcoding parameter, then can stamp the label of " having ", and this label can be provided or the User Defined of handheld device etc. at random by system.
Above-mentioned parameter judge module 21 specifically is used for: the transcoding parameter whether handheld device has option and installment storehouse acquiescence to provide is provided; When selection is arranged, then provide the module transcoding parameter that 22 extraction acquiescences provide to handheld device by parameter; And/or, judge according to the keyword of handheld device input whether the transcoding parameter that is associated with this keyword is arranged in the repository; When being associated, then provide the module transcoding parameter that 22 extractions are associated to handheld device by parameter.
The corresponding a kind of handheld device model of a kind of transcoding parameter can be set in the above-mentioned repository, and give tacit consent to transcoding parameter default in this repository and be the transcoding parameter that is complementary with handheld device.Handheld device is carried out audio frequency and video when conversion at needs, can select by selection from acquiescence provides, from search and self-defined in one or more modes combine and obtain needed transcoding parameter.The obtain manner of above-mentioned transcoding parameter is independent separately, there is no fixedly use order, is from easily angle layout use order herein.
In the present embodiment, the transcoding parameter that above-mentioned acquiescence provides can offer handheld device and select when needs carry out the audio frequency and video conversion.Handheld device can according to the handheld device model of showing and corresponding transcoding parameter, be selected the transcoding parameter that is complementary with self.Can judge whether handheld device is selected by parameter judge module 21, and confirm in the transcoding parameter that this acquiescence provides whether the needed transcoding parameter of handheld device is arranged.If selection is arranged, then provide module 22 to extract selected transcoding parameter to handheld device by parameter; Otherwise, can provide handheld device to carry out keyword search, make handheld device can continue to seek suitable transcoding parameter.
In this keyword search process, can judge according to the keyword (such as trade name or model etc.) of this handheld device input whether the transcoding parameter that is associated with this keyword is arranged in the repository by parameter judge module 21.If any, then can show handheld device to select, above-mentioned parameter provides module 22 to carry out the audio frequency and video conversion to handheld device according to the corresponding transcoding parameter of the selective extraction of handheld device.If from acquiescence, select and search is obtained dual mode all do not find corresponding transcoding parameter from repository by above-mentioned, then also can obtain the transcoding parameter by self-defining mode.
With reference to Fig. 9, above-mentioned parameter provides module 22 specifically can comprise: search unit 221 and sequencing unit 222; This searches unit 221, is used for searching the transcoding parameter that is associated at repository; This sequencing unit 222 after according to weighted value above-mentioned transcoding parameter being sorted, shows handheld device to select; This weighted value is according to above-mentioned evaluation information setting.
The transcoding parameter that is associated with this keyword is searched according to the keyword of handheld device input in the above-mentioned unit 221 of searching in repository.Be the handheld device model such as this keyword, then can search and the direct corresponding transcoding parameter of this model, perhaps search and the corresponding transcoding parameter of the similar model of this model.Above-mentioned sequencing unit 222 can sort to the transcoding parameter of searching according to weighted value after searching, and shows handheld device to select.Such as being arranged in order from high to low by weighted value, the high representation conversion of weighted value is effective.As above-mentioned, this weighted value can obtain according to evaluation information.This displaying can comprise the label of showing that the transcoding parameter is stamped, makes things convenient for handheld device to make accurate selection.
With reference to Figure 10, said apparatus 20 also can comprise: separate decoder module 25, coding module 26 and media synthesis module 27; This separates decoder module 25, is used for audio stream with the audio-video source file and separates with video flowing and decode; This coding module 26 is used for respectively decoded audio stream and video flowing being encoded according to above-mentioned transcoding parameter; This media synthesis module 27, the media file that the audio stream after being used for encoding and video flowing are synthetic new.
The transfer process of above-mentioned audio frequency and video can be: at first need the audio-video documents of conversion to resolve by 25 pairs of above-mentioned separation decoder modules, and with the separation of audio stream, video flowing; Then respectively audio stream, video flowing are decoded, respectively decoded audio stream, video flowing are encoded according to the transcoding parameter by coding module 26 again, audio stream after will encoding by media synthesis module 27 at last, the synthetic new media file of video flowing are finished the conversion of audio frequency and video.
The adaptive device 20 of above-mentioned handheld device middle pitch video code conversion parameter, by the evaluation feedback of handheld device to the audio frequency and video conversion effect, can give corresponding weight to transcoding parameter corresponding with handheld device in the repository, height by weight is distinguished the quality (then conversion effect is good such as the weight height) of conversion effect, so can be handheld device and finds out more suitably transcoding parameter; Simultaneously, allow the self-defined transcoding parameter of handheld device, can be shared with other handheld device and use and accept other handheld device evaluation feedback, can constantly improve and revise transcoding parameter corresponding to handheld device in the repository by this kind mode, can solve the handheld device model and cover infull problem, bring very big facility for the user of handheld device.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (12)
1. the adaptation method of a handheld device middle pitch video code conversion parameter is characterized in that, comprises step:
Judge whether the needed transcoding parameter of handheld device is arranged in the repository;
When described transcoding parameter is arranged, obtain described transcoding parameter and offer handheld device and carry out audio frequency and video conversions.
2. the adaptation method of handheld device middle pitch video code conversion parameter according to claim 1 is characterized in that, describedly obtains described transcoding parameter and offers handheld device and carry out also comprising after the step of audio frequency and video conversions:
Receive the evaluation information that handheld device is estimated according to the effect of audio frequency and video conversion, upgrade described repository according to described evaluation information.
3. the adaptation method of handheld device middle pitch video code conversion parameter according to claim 1 is characterized in that, describedly also comprises after judging the step whether needed transcoding parameter of handheld device is arranged in the repository:
When not having described transcoding parameter, receive the self-defining transcoding parameter of handheld device, and upgrade described repository.
4. the adaptation method of handheld device middle pitch video code conversion parameter according to claim 1 is characterized in that, describedly judges whether have the step of the corresponding transcoding parameter of handheld device specifically to comprise in the repository:
The transcoding parameter whether handheld device has option and installment storehouse acquiescence to provide is provided; When selection was arranged, the transcoding parameter that then extraction acquiescence provides was to handheld device; And/or,
Keyword according to the handheld device input judges whether the transcoding parameter that is associated with described keyword is arranged in the repository; When being associated, then extract the transcoding parameter be associated to handheld device.
According to claim 4 in the adaptation method of each described handheld device middle pitch video code conversion parameter, it is characterized in that the transcoding parameter that described extraction is associated specifically comprises to the step of handheld device:
In repository, search the transcoding parameter that is associated;
After according to weighted value described transcoding parameter being sorted, show handheld device to select; Described weighted value is according to described evaluation information setting.
6. the adaptation method of each described handheld device middle pitch video code conversion parameter in 5 according to claim 1 is characterized in that, describedly carries out the audio frequency and video conversion and specifically comprises:
Audio stream in the audio-video source file is separated with video flowing and decode;
Respectively decoded audio stream and video flowing are encoded according to described transcoding parameter;
Audio stream behind the coding and video flowing are synthesized new media file.
7. the adaptive device of a handheld device middle pitch video code conversion parameter is characterized in that, comprising:
The parameter judge module is used for judging whether repository has the needed transcoding parameter of handheld device;
Parameter provides module, is used for when described transcoding parameter is arranged, obtains described transcoding parameter and offers handheld device and carry out audio frequency and video conversion.
8. the adaptive device of handheld device middle pitch video code conversion parameter according to claim 7 is characterized in that described device also comprises:
Estimate receiver module, be used for receiving the evaluation information that handheld device is estimated according to the effect of audio frequency and video conversion, upgrade described repository according to described evaluation information.
9. the adaptive device of handheld device middle pitch video code conversion parameter according to claim 7 is characterized in that described device also comprises:
Self-defined receiver module is used for receiving the self-defining transcoding parameter of handheld device, and upgrading described repository when not having described transcoding parameter.
10. the adaptive device of handheld device middle pitch video code conversion parameter according to claim 7 is characterized in that, described parameter judge module specifically is used for:
The transcoding parameter whether handheld device has option and installment storehouse acquiescence to provide is provided; When selection is arranged, then provide the module extraction transcoding parameter that acquiescence provides to handheld device by parameter; And/or,
Keyword according to the handheld device input judges whether the transcoding parameter that is associated with described keyword is arranged in the repository; When being associated, then provide the module transcoding parameter that extraction is associated to handheld device by parameter.
11. the adaptive device of each described handheld device middle pitch video code conversion parameter according to claim 10 is characterized in that described parameter provides module specifically to comprise:
Search the unit, be used for searching the transcoding parameter that is associated at repository;
Sequencing unit after according to weighted value described transcoding parameter being sorted, shows handheld device to select; Described weighted value is according to described evaluation information setting.
12. the adaptive device of each described handheld device middle pitch video code conversion parameter in 11 according to claim 7 is characterized in that described device also comprises:
Separate decoder module, be used for audio stream with the audio-video source file and separate with video flowing and decode;
Coding module is used for respectively decoded audio stream and video flowing being encoded according to described transcoding parameter;
The media synthesis module, the media file that the audio stream after being used for encoding and video flowing are synthetic new.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103702137A (en) * | 2013-12-23 | 2014-04-02 | 乐视网信息技术（北京）股份有限公司 | Method and system for generating statistic data during transcoding task processing |
| CN105872745A (en) * | 2015-12-21 | 2016-08-17 | 乐视致新电子科技（天津）有限公司 | Extension method and device of input data sources |
| WO2016138844A1 (en) * | 2015-03-03 | 2016-09-09 | 腾讯科技（深圳）有限公司 | Multimedia file live broadcast method, system and server |
| CN109474827A (en) * | 2018-12-03 | 2019-03-15 | 四川巧夺天工信息安全智能设备有限公司 | The method of monitor video fast transcoding |
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