CN105373371A - Method and system for controlling volume of windows equipment through browser - Google Patents

Method and system for controlling volume of windows equipment through browser Download PDF

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Publication number
CN105373371A
CN105373371A CN201410425724.0A CN201410425724A CN105373371A CN 105373371 A CN105373371 A CN 105373371A CN 201410425724 A CN201410425724 A CN 201410425724A CN 105373371 A CN105373371 A CN 105373371A
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China
Prior art keywords
earphone
interface
equipment
audio frequency
state
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CN201410425724.0A
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Chinese (zh)
Inventor
王小龙
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Tencent Technology Shenzhen Co Ltd
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Tencent Technology Shenzhen Co Ltd
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Priority to CN201410425724.0A priority Critical patent/CN105373371A/en
Publication of CN105373371A publication Critical patent/CN105373371A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a method and system for controlling the volume of windows equipment through a browser. The windows equipment comprises a headphone jack which is used for connecting a headphone. The method comprises the following steps: monitoring signals of the headphone jack; judging whether the headphone is plugged in or pulled out; and if the judging result indicates that the headphone is pulled out, sequentially playing the audio/video files played by the windows equipment in a mute manner. When the headphone is pulled out from the windows equipment, the windows equipment is capable of detecting that the headphone is pulled out through the method and system, and the windows equipment can be automatically set to a mute state, so that the windows equipment can be prevented from making sounds through the loudspeaker to disturb the others after the headphone is pulled out, and the user privacies can be prevented from leakage. When the windows equipment is in the mute state, the loudspeaker which is used for making sounds is in a non-work state, so that the consumption of electricity is avoided; therefore, the method and system have the effect of saving electricity and energy.

Description

A kind of method by browser control windows device voice volume and system thereof
Technical field
The present invention relates to data processing field, particularly a kind of method by browser control windows device voice volume and system thereof.
Background technology
In the modern life, the audio frequency apparatus of windows operating system is much utilized to be provided with earphone.User is listening to the music or is seeing in video process, sometimes needs to plug earphone, and earphone is after being pulled out, and the audio playing device that system carries can continue audio plays.Generally volume is more much larger than earphone for the audio playing device carried due to system, easily disturbs other people in this case, or leaks the privacy of user.For preventing this situation, need user to remember before pulling out earphone and manually quiet, this is all operation that is inconvenient and that easily forget to Consumer's Experience and secret protection.
Summary of the invention
In order to solve earphone in correlation technique, in swapping process, system cannot the problem of automatic mute, embodiments provides a kind of method by browser control windows device voice volume and system thereof.Described technical scheme is as follows:
According to the first aspect of the embodiment of the present invention, provide a kind of method by browser control windows device voice volume, this windows equipment comprises the earphone interface for frames connecting with headphone, and described method comprises:
The signal of monitoring headpone interface;
Judge whether that earphone inserts or extracts;
There is earphone to extract if judge, then the audio-video document that windows equipment is play is continued in mute fashion to play.
According to the second aspect of the embodiment of the present invention, provide a kind of system by browser control windows device voice volume, described system, comprising:
Monitor module: for the signal of monitoring headpone interface;
Judge module: for having judged whether that earphone is extracted;
Automatic mute module: for, there is earphone to extract if judge, then the audio-video document that windows equipment is play is continued in mute fashion to play.
The technical scheme that the embodiment of the present invention provides can comprise following beneficial effect:
When earphone is extracted from windows equipment, by said method and system, windows equipment energy Test earphone is pulled out and automatically windows equipment is arranged to mute state, earphone so can be avoided to be pulled out rear windows equipment and to disturb other people by its loudspeaker outgoing sound, and can also avoid leaking privacy of user.Moreover, when windows equipment is in mute state, it is in off working state for the loudspeaker played sound, thus avoids the consumption of unnecessary electricity, and therefore said method also has the effect of power and energy saving.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the present invention.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows embodiment according to the invention, and is used from instructions one and explains principle of the present invention.
Fig. 1 is the process flow diagram of a kind of method by browser control windows device voice volume according to an exemplary embodiment;
The process flow diagram of a kind of method by browser control windows device voice volume of Fig. 2 according to another exemplary embodiment;
The functional block diagram of a kind of system by browser control windows device voice volume of Fig. 3 according to an exemplary embodiment;
By above-mentioned accompanying drawing, illustrate the embodiment that the present invention is clear and definite more detailed description will be had hereinafter.These accompanying drawings and text description be not in order to limited by any mode the present invention design scope, but by reference to specific embodiment for those skilled in the art illustrate concept of the present invention.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Fig. 1 is the process flow diagram of a kind of method by browser control windows device voice volume according to an exemplary embodiment, and this windows equipment comprises the earphone interface for frames connecting with headphone, and the method can comprise following several step:
S110, the signal of monitoring headpone interface.
S120, has judged whether that earphone is extracted.
S130, has earphone to extract if judge, then continued in mute fashion by the audio-video document that windows equipment is play to play.
In sum, when earphone is extracted from windows equipment, pass through said method, windows equipment energy Test earphone is pulled out and automatically windows equipment is arranged to mute state, earphone so can be avoided to be pulled out rear windows equipment and to disturb other people by its loudspeaker outgoing sound, and can also avoid leaking privacy of user.Moreover, when windows equipment is in mute state, it is in off working state for the loudspeaker played sound, thus avoids the consumption of unnecessary electricity, and therefore said method also has the effect of power and energy saving.
Fig. 2 is the process flow diagram of a kind of method by browser control windows device voice volume according to another exemplary embodiment, and this windows equipment comprises the earphone interface for frames connecting with headphone, and the method can comprise following several step:
S210, the signal of monitoring headpone interface.
Concrete, after browser starts, realize IMMNotificationClient, and generate IMMDeviceEnumerator object, by the RegisterEndpointNotificationCallback method registered callbacks of IMMDeviceEnumerator interface, in the IMMNotificationClient interface of browser, obtain the notice of external audio frequency equipment variation.
IMMDeviceEnumerator interface is specific as follows:
The interface of IMMNotificationClient is specific as follows:
S220, has judged whether that earphone is extracted.
Browser obtains information and the state of the external audio frequency equipment of state variation in the OnDeviceStateChanged () of IMMNotificationClient according to the parameter p wstrDeviceId imported into, dwNewState.If dwNewState is not equal to DEVICE_STATE_ACTIVE, then represent that external audio frequency equipment is pulled out or forbids;
According to pstrDeviceId, use the GetDevice (LPWSTRpwstrId of IIMMDeviceEnumerator, IMMDevice**ppDevice) method obtains the IMMDevice interface of corresponding external audio frequency equipment, and utilizes the OpenPropertyStore method of IMMDevice to obtain the IPropertyStore interface of external audio frequency equipment;
The attribute information of external audio frequency equipment is obtained according to IPropertyStore interface; Utilize these determined property external audio frequency equipment whether earphone.Described attribute information comprises the title of external audio frequency equipment.
If earphone, and dwNewState is not equal to DEVICE_STATE_ACTIVE, then determine that earphone is pulled out.
If dwNewState equals DEVICE_STATE_ACTIVE, and it is not equal to DEVICE_STATE_ACTIVE before dwNewState equals DEVICE_STATE_ACTIVE, then determine that earphone is inserted into.
S230, has earphone to extract if judge, then continued in mute fashion by the audio-video document that windows equipment is play to play.
Concrete, browser is by the Hook of COMInterfacePatch, obtain the ReleaseBuffer (UINT32NumFramesWritten of IAudioRenderClient, DWORDdwFlags) interface, and to its dozen of Patch, dwFlags is set to AUDCLNT_BUFFERFLAGS_SILENT, continues in mute fashion to play with the audio-video document that windows equipment is play.
S240, if judge have earphone to insert, then the audio-video document that windows equipment is play in mute fashion is returned to earphone be pulled out before volume broadcasting.
In sum, when earphone is extracted from windows equipment, pass through said method, windows equipment can detect that earphone is pulled out and automatically windows equipment is arranged to mute state, earphone so can be avoided to be pulled out rear windows equipment and to disturb other people by its loudspeaker outgoing sound, can also avoid leaking privacy of user.And windows equipment energy Test earphone be inserted into and automatically windows equipment is returned to earphone be pulled out before volume, user like this just can continue through earphone music appreciating without the need to adjusting windows equipment after plugged earphone, is equivalent to make windows equipment possess intelligent memory functional.Moreover, when windows equipment is in mute state, it is in off working state for the loudspeaker played sound, thus avoids the consumption of unnecessary electricity, and therefore said method also has the effect of power and energy saving.
Fig. 3 is the module map of a kind of system by browser control windows device voice volume according to an exemplary embodiment, and this windows equipment comprises the earphone interface for frames connecting with headphone, and this system can comprise following several module:
Monitor module 10: for the signal of monitoring headpone interface;
Judge module 20: for having judged whether that earphone is extracted;
Automatic mute module 30: for, there is earphone to extract if judge, then the audio-video document that windows equipment is play is continued in mute fashion to play.
After described monitoring module 10 also starts for: browser, realize IMMNotificationClient, and generate IMMDeviceEnumerator object, by the RegisterEndpointNotificationCallback method registered callbacks of IMMDeviceEnumerator interface, in the IMMNotificationClient interface of browser, obtain the notice of external audio frequency equipment variation.
IMMDeviceEnumerator interface is specific as follows:
The interface of IMMNotificationClient is specific as follows:
Described judge module 20, also comprises:
First judge module 21, for: browser obtains information and the state of the external audio frequency equipment of state variation in the OnDeviceStateChanged () of IMMNotificationClient according to the parameter p wstrDeviceId imported into, dwNewState.If dwNewState is not equal to DEVICE_STATE_ACTIVE, then represent that external audio frequency equipment is pulled out or forbids.
Interface message acquisition module 22, for: according to pstrDeviceId, use the GetDevice (LPWSTRpwstrId of IIMMDeviceEnumerator, IMMDevice**ppDevice) method obtains the IMMDevice interface of corresponding external audio frequency equipment, and utilizes the OpenPropertyStore method of IMMDevice to obtain the IPropertyStore interface of external audio frequency equipment.
Second judge module 23, for: the attribute information obtaining external audio frequency equipment according to IPropertyStore interface; Utilize these determined property external audio frequency equipment whether earphone.Described attribute information comprises the title of external audio frequency equipment.
If earphone, and dwNewState is not equal to DEVICE_STATE_ACTIVE, then determine that earphone is pulled out.
Described judge module 20 for: if judge have earphone to insert, then the audio-video document that windows equipment is play in mute fashion is returned to earphone be pulled out before volume broadcasting.
Described second judge module 23, also for: if dwNewState equals DEVICE_STATE_ACTIVE, and it is not equal to DEVICE_STATE_ACTIVE before dwNewState equals DEVICE_STATE_ACTIVE, then determine that earphone is inserted into.
Described automatic mute module 30 specifically for: browser is by the Hook of COMInterfacePatch, obtain the ReleaseBuffer (UINT32NumFramesWritten of IAudioRenderClient, DWORDdwFlags) interface, and to its dozen of Patch, dwFlags is set to AUDCLNT_BUFFERFLAGS_SILENT.
In sum, when earphone is extracted from windows equipment, pass through said system, windows equipment can detect that earphone is pulled out and automatically windows equipment is arranged to mute state, earphone so can be avoided to be pulled out rear windows equipment and to disturb other people by its loudspeaker outgoing sound, can also avoid leaking privacy of user.And windows equipment energy Test earphone be inserted into and automatically windows equipment is returned to earphone be pulled out before volume, user like this just can continue through earphone music appreciating without the need to adjusting windows equipment after plugged earphone, is equivalent to make windows equipment possess intelligent memory functional.Moreover, when windows equipment is in mute state, it is in off working state for the loudspeaker played sound, thus avoids the consumption of unnecessary electricity, and therefore said method also has the effect of power and energy saving.
Those skilled in the art, after considering the invention that instructions and practice are invented here, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised the common practise in the art or conventional techniques means that the present invention do not invent.Instructions and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.

Claims (14)

1., by a method for browser control windows device voice volume, this windows equipment comprises the earphone interface for frames connecting with headphone, it is characterized in that, described method comprises:
The signal of monitoring headpone interface;
Judge whether that earphone inserts or extracts;
There is earphone to extract if judge, then the audio-video document that windows equipment is play is continued in mute fashion to play.
2. method according to claim 1, is characterized in that, the signals step of described monitoring headpone interface, also comprises:
After browser starts, realize IMMNotificationClient, and generate IMMDeviceEnumerator object, by the RegisterEndpointNotificationCallback method registered callbacks of IMMDeviceEnumerator interface, in the IMMNotificationClient interface of browser, obtain the notice of external audio frequency equipment variation.
3. method according to claim 2, is characterized in that, described in judged whether that step extracted by earphone, also comprise:
Browser obtains information and the state of the external audio frequency equipment of state variation in the OnDeviceStateChanged () of IMMNotificationClient according to the parameter p wstrDeviceId imported into, dwNewState.If dwNewState is not equal to DEVICE_STATE_ACTIVE, then represent that external audio frequency equipment is pulled out or forbids;
According to pstrDeviceId, use the GetDevice (LPWSTRpwstrId of IIMMDeviceEnumerator, IMMDevice**ppDevice) method obtains the IMMDevice interface of corresponding external audio frequency equipment, and utilizes the OpenPropertyStore method of IMMDevice to obtain the IPropertyStore interface of external audio frequency equipment;
The attribute information of external audio frequency equipment is obtained according to IPropertyStore interface; Utilize these determined property external audio frequency equipment whether earphone;
If earphone, and dwNewState is not equal to DEVICE_STATE_ACTIVE, then determine that earphone is pulled out.
4. method according to claim 3, is characterized in that, described in judged whether that earphone inserts or after extracting step, also comprises:
If judge have earphone to insert, then the audio-video document that windows equipment is play in mute fashion is returned to earphone be pulled out before volume broadcasting.
5. method according to claim 4, it is characterized in that, if dwNewState equals DEVICE_STATE_ACTIVE, and it is not equal to DEVICE_STATE_ACTIVE before dwNewState equals DEVICE_STATE_ACTIVE, then determine that earphone is inserted into.
6. method according to claim 3, is characterized in that, the described audio-video document play by windows equipment continues to play step in mute fashion, also comprises:
Browser is by the Hook of COMInterfacePatch, obtain the ReleaseBuffer (UINT32NumFramesWritten of IAudioRenderClient, DWORDdwFlags) interface, and to its dozen of Patch, dwFlags is set to AUDCLNT_BUFFERFLAGS_SILENT.
7. method according to claim 3, is characterized in that, described attribute information comprises the title of external audio frequency equipment.
8. by a system for browser control windows device voice volume, it is characterized in that, described system, comprising:
Monitor module: for the signal of monitoring headpone interface;
Judge module: for having judged whether that earphone is extracted;
Automatic mute module: for, there is earphone to extract if judge, then the audio-video document that windows equipment is play is continued in mute fashion to play.
9. system according to claim 8, is characterized in that, described monitoring module specifically for:
After browser starts, realize IMMNotificationClient, and generate IMMDeviceEnumerator object, by the RegisterEndpointNotificationCallback method registered callbacks of IMMDeviceEnumerator interface, in the IMMNotificationClient interface of browser, obtain the notice of external audio frequency equipment variation.
10. system according to claim 9, is characterized in that, described judge module, also comprises:
First judge module, for: browser obtains information and the state of the external audio frequency equipment of state variation in the OnDeviceStateChanged () of IMMNotificationClient according to the parameter p wstrDeviceId imported into, dwNewState.If dwNewState is not equal to DEVICE_STATE_ACTIVE, then represent that external audio frequency equipment is pulled out or forbids;
Interface message acquisition module, for: according to pstrDeviceId, use the GetDevice (LPWSTRpwstrId of IIMMDeviceEnumerator, IMMDevice**ppDevice) method obtains the IMMDevice interface of corresponding external audio frequency equipment, and utilizes the OpenPropertyStore method of IMMDevice to obtain the IPropertyStore interface of external audio frequency equipment;
Second judge module, for: the attribute information obtaining external audio frequency equipment according to IPropertyStore interface; Utilize these determined property external audio frequency equipment whether earphone;
If earphone, and dwNewState is not equal to DEVICE_STATE_ACTIVE, then determine that earphone is pulled out.
11. systems according to claim 10, is characterized in that, described judge module is used for:
If judge have earphone to insert, then the audio-video document that windows equipment is play in mute fashion is returned to earphone be pulled out before volume broadcasting.
12. systems according to claim 11, it is characterized in that, second judge module, also for: if dwNewState equals DEVICE_STATE_ACTIVE, and it is not equal to DEVICE_STATE_ACTIVE before dwNewState equals DEVICE_STATE_ACTIVE, then determine that earphone is inserted into.
13. systems according to claim 10, is characterized in that, described automatic mute module specifically for:
Browser is by the Hook of COMInterfacePatch, obtain the ReleaseBuffer (UINT32NumFramesWritten of IAudioRenderClient, DWORDdwFlags) interface, and to its dozen of Patch, dwFlags is set to AUDCLNT_BUFFERFLAGS_SILENT.
14. systems according to claim 10, is characterized in that, described attribute information comprises the title of external audio frequency equipment.
CN201410425724.0A 2014-08-26 2014-08-26 Method and system for controlling volume of windows equipment through browser Pending CN105373371A (en)

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CN106162333A (en) * 2016-07-29 2016-11-23 王晓光 The audio control method of video ads and system
CN106445448A (en) * 2016-08-29 2017-02-22 北京元心科技有限公司 Audio device control method and system of terminal and mobile terminal
CN108447512A (en) * 2018-03-20 2018-08-24 北京奇艺世纪科技有限公司 A kind of control method and device of Doby track
CN108965784A (en) * 2017-12-28 2018-12-07 北京视联动力国际信息技术有限公司 A kind of data processing method and device of view networking
CN111432314A (en) * 2020-03-19 2020-07-17 Oppo广东移动通信有限公司 Audio data playing method and device and related equipment
CN112149195A (en) * 2020-09-23 2020-12-29 深圳前海微众银行股份有限公司 Privacy protection method, device, equipment and computer readable storage medium

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CN106162333A (en) * 2016-07-29 2016-11-23 王晓光 The audio control method of video ads and system
CN106445448A (en) * 2016-08-29 2017-02-22 北京元心科技有限公司 Audio device control method and system of terminal and mobile terminal
CN106445448B (en) * 2016-08-29 2020-10-09 北京元心科技有限公司 Audio device control method and system of terminal and mobile terminal
CN108965784A (en) * 2017-12-28 2018-12-07 北京视联动力国际信息技术有限公司 A kind of data processing method and device of view networking
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CN108447512A (en) * 2018-03-20 2018-08-24 北京奇艺世纪科技有限公司 A kind of control method and device of Doby track
CN111432314A (en) * 2020-03-19 2020-07-17 Oppo广东移动通信有限公司 Audio data playing method and device and related equipment
CN112149195A (en) * 2020-09-23 2020-12-29 深圳前海微众银行股份有限公司 Privacy protection method, device, equipment and computer readable storage medium

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