CN204697215U - Video capture device - Google Patents
Video capture device Download PDFInfo
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- CN204697215U CN204697215U CN201520459554.8U CN201520459554U CN204697215U CN 204697215 U CN204697215 U CN 204697215U CN 201520459554 U CN201520459554 U CN 201520459554U CN 204697215 U CN204697215 U CN 204697215U
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Abstract
The utility model discloses a kind of video capture device, housing; At least one video input interface, it is arranged on the housing, and described video capture device receives the first video data from external equipment via described video input interface; Memory interface, it is arranged on the housing, for being connected with the External memory equipment signal of telecommunication; Processing unit, it is arranged in described housing, is connected respectively with described video input interface and the described memory interface signal of telecommunication, for described first video data is sent to External memory equipment by described memory interface; And/or described processing unit obtains the second video data after carrying out Video processing to described first video data, and described second video data is sent to External memory equipment by described processing unit.User can be recorded interested video at any time by video capture device of the present utility model, and stores synchronized, very convenient to use.
Description
Technical field
The utility model relates to audio and video frequency signal process field, particularly a kind of video capture device.
Background technology
Along with the fast development of the industries such as video conference, medical treatment, recorded broadcast, the demand of video capture device is also more and more.Current video capture device, such as, external video frequency collection card, video signal collective in computer, is kept on hard disk with the form of data file by this video capture device.By computer, this data file is processed, and the vision signal after process is converted to the forms such as VCD, DVD of standard and web stream media and propagate.At present, this video capture device need be connected with computer and the data of collection could be carried out storing or processing, and it is not very convenient to use.
Utility model content
The purpose of this utility model be to solve video capture device of the prior art need connect computer could the technical problem of storage of collected data and deal with data, and provide a kind of can at any time storage of collected to the video data video capture device that can process the data collected.
The utility model provides a kind of video capture device, comprising:
Housing;
At least one video input interface, it is arranged on the housing, and described video capture device receives the first video data from external equipment via described video input interface;
Memory interface, it is arranged on the housing, for being connected with the External memory equipment signal of telecommunication;
Processing unit, it is arranged in described housing, is connected respectively with described video input interface and the described memory interface signal of telecommunication, for described first video data is sent to External memory equipment by described memory interface; And/or described processing unit obtains the second video data after carrying out Video processing to described first video data, and described second video data is sent to External memory equipment by described processing unit.
Wherein, described video input interface is multiple, to input multi-channel video signal to described video capture device;
Described video capture device also comprises signal selection module; described signal selection module comprises the first input end be connected with described multiple video input interface signal of telecommunication; multichannel first vision signal of described multiple video input interface input is input to described signal selection module via first input end corresponding thereto respectively, and described signal selection module is used for carrying out selectivity output to described multichannel first vision signal of input under the effect of control command;
Described signal selection module also comprises output, and described output is communicated with to make to enter described signal selection module the first video data with the described processing unit signal of telecommunication is input to described processing unit via described output and processes.
Wherein, described video capture device also comprises recording button;
Described processing unit comprises recording module;
Described recording button is arranged on the housing, is connected with described recording modular telecommunications number; When described recording button is triggered according to default triggering mode, described first video data is sent to External memory equipment by described memory interface by described recording module; Or described second vision signal is sent on described memory device by memory interface by described recording module;
Described first video data comprises the first video data being directly inputted into described recording module via described video input interface, with, described first video input interface exports described first vision signal of described processing unit to via described signal selection module selectivity.
Wherein, described video capture device also comprises audio input interface and audio output interface; Described audio input interface and audio output interface are all arranged on the housing;
Described processing unit also comprises:
Audio Input Modules: for by described audio input interface audio reception data;
Audio processing modules: export described dio Output Modules to after the described voice data received for described Audio Input Modules carries out audio effect processing; And,
Dio Output Modules; For exporting the audio signal after described audio processing modules process to external equipment by described audio output interface, and/or the audio signal after the voice data receive described Audio Input Modules or described audio processing modules process is sent to described External memory equipment by described memory interface.
Wherein, described video input interface is HD video input interface;
Described video capture device also comprises video output interface and data format conversion module;
Described data format conversion module is communicated with the described processing unit signal of telecommunication, Data Format Transform is carried out, with the type making the data format of the data after via described processing unit processes be adapted to the data output interface of described video capture device for via the video data after described processing unit processes.
Wherein, described video capture device comprises picture-in-picture button;
Described picture-in-picture button sends picture-in-picture control command to described processing unit when being triggered according to default triggering mode, exports after carrying out picture-in-picture process to make first vision signal of described processing unit to video input interface input described at least one; First vision signal of described video input interface input comprises described first vision signal being directly inputted into described processing unit via described video input interface, and/or described video input interface exports described first vision signal of described processing unit to via described signal selection module selectivity;
Described processing unit comprises:
Instructions parse device, it is for receiving and resolving described picture-in-picture control command;
Input setting device, it is for setting to form the vision signal of parent window and the vision signal in order to form subwindow from the first vision signal inputted by video input interface described at least one according to the picture-in-picture control command after parsing;
Picture-in-picture function final controlling element, it is for generation of picture-in-picture picture, in this picture-in-picture picture, is embedded in parent window by subwindow, or parent window and subwindow split screen is shown; And
Video signal output apparatus, it is for converting the signal format of specifying and exporting destination to and the signal exported through conversion by the first vision signal of picture-in-picture picture.
Wherein, described video capture device also comprises data cutout button;
Described video capture device also comprises storage device;
Described processing unit also comprises data cutout module;
Video or picture capturing instruction is sent to described data cutout module when described data cutout button is triggered according to default triggering mode, described data cutout module performs this video or the corresponding video of picture capturing instruction or picture capturing operation, and the video of intercepting or picture data are sent to described storage device.
Wherein, described video input interface is at least one in HDMI, VGA, DVI, VIDEO and USB input interface.
Wherein, described video input interface comprises lightning interface;
Described video capture device also comprises the MFI authentication module be connected with lightning interface electric signals; Described MFI authentication module comprises ios device certificate of certification, for realizing the communication between described video capture device and ios device based on MFI authentication protocol;
Described ios device is connected with the described processing unit signal of telecommunication by described lightning interface.
Described audio input interface and described audio output interface comprise RCE interface, 3.5 millimeters of audio interface and/or USB interface;
Described memory interface is SD card interface or USB flash disk interface.
Compared with prior art, the utility model has following beneficial effect:
Video capture device of the present utility model has video input interface, memory interface and processing unit, and processing unit is connected with video input interface and the memory interface signal of telecommunication respectively.The video data inputted by this video input interface is stored in External memory equipment by memory interface by processing unit, or be stored in External memory equipment after the video data of video input interface input is processed, make video capture device of the present utility model can store or process the video data inputted by video input interface at any time.User can be recorded at any time to interested video, and stores synchronized, very convenient to use.
Accompanying drawing explanation
Fig. 1 is the block diagram of the utility model video capture device one embodiment.
Fig. 2 is the block diagram of another embodiment of the utility model video capture device.
Fig. 3 is the block diagram that the utility model video capture device has audio frequency processing capacity.
Fig. 4 is the block diagram that the utility model video capture device has picture-in-picture processing capacity.
Fig. 5 the utility model video capture device has the block diagram of picture capturing function.
Embodiment
In order to further illustrate principle of the present utility model and structure, now by reference to the accompanying drawings preferred embodiment of the present utility model is described in detail.
Please refer to Fig. 1, it is the block diagram of the utility model video capture device one embodiment.This video capture device 10 comprises housing (not shown), at least one video input interface 12, memory interface 13 and processing unit 11.
Video input interface 12 is arranged on housing, and video capture device 10 receives the first video data from external equipment via this video input interface 12.This video input interface 12 can be HDMI(High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)), VGA(Video Graphics Array, Video Graphics Array), DVI (Digital Visual Interface, digital visual interface), VIDEO(Analog Composite Video interface) and USB(Universal Serial Bus, USB) any one in input interface.
Memory interface 13 is arranged on housing, and it is SD card interface or USB flash disk interface, and for being connected with the External memory equipment signal of telecommunication, this External memory equipment can be the memory cards such as SD card or USB flash disk.
This processing unit 11 is arranged in housing, and it can be FPGA (Field-Programmable Gate Array, field programmable gate array), DSP (digital signal processing, digital signal processor) or single-chip microcomputer.
This processing unit 11 is connected with video input interface 12 and memory interface 13 signal of telecommunication respectively, for the first video data is sent to External memory equipment by memory interface 13.
In addition, this processing unit 11 first can carry out Video processing to the first video data, and obtaining the second video data after by process is sent to External memory equipment.
Video capture device of the present utility model has video input interface 12, memory interface 13 and processing unit 11, and processing unit 11 is connected with video input interface 12 and memory interface 13 signal of telecommunication respectively.Processing unit 11 is made to be stored in External memory equipment by the video data that this video input interface 12 inputs by memory interface 13, or be stored into again in External memory equipment after the video data that video input interface 12 inputs is processed, make video capture device 10 of the present utility model can store or process the video data inputted by video input interface 12 at any time.
In FIG, a video input interface 12 is only shown, but is not limited to this, this video input interface 12 can be two or more.
As shown in Figure 2, it is the block diagram of another embodiment of the utility model video capture device.In the present embodiment, this video input interface 12 is multiple, to input multi-channel video signal to video capture device 10.
Video capture device 10 also comprises signal selection module 15, this signal selection module 15 comprises the first input end be connected with multiple video input interface 12 signal of telecommunication, the multi-channel video signal that multiple video input interface 12 inputs is input to signal selection module 15 via first input end corresponding thereto respectively, and signal selection module 15 for carrying out selectivity output to the multi-channel video signal of input under the effect of control command.Signal selection module 15 also comprises output, and output is connected to make entering signal select the video data of module 15 to be input to processing unit 11 via output and processes with processing unit 11 signal of telecommunication.
This signal selection module 15 is MUX, and such as, 2 select 1 data selector, and 4 select 1 data selector.
In addition, at least one video input interface in multiple video input interface 12 also can not be connected with processing unit 11 by signal selection module 15, and is directly connected with processing unit 11.Shown in Fig. 2, wherein a video input interface 12 is directly connected with processing unit 11, and this video input interface 12 can be USB interface, and it can be connected with outside picture pick-up device.
Further, as shown in Figure 2, this video capture device 10 also comprises recording button 14.Processing unit 11 comprises recording module, recording button 14 is arranged on housing, be connected with recording modular telecommunications number, when recording button 14 is triggered according to default triggering mode, record module and the first video data inputted by video input interface 12 is sent to External memory equipment by memory interface 13, or the second vision signal after process is sent on memory device by memory interface 13 by recording module.
This recording button 14 can be push type button, and its protrusion is arranged on housing.This recording button 14 also can be the driver plate button be arranged on housing.
Further, this video capture device 10 has audio frequency processing capacity.This video capture device 10 also comprises audio input interface 19 and audio output interface 21.This audio input interface 19 is for being connected with outside phonographic recorder or player, and this audio output interface 21 is for being connected with external audio equipment or earphone.This audio input interface 19 and audio output interface 21 are all arranged on housing.This audio input interface 19 and audio output interface 21 comprise RCE interface, 3.5 millimeters of audio interface and/or USB interface
For processing the audio signal of this audio input interface 19 input, as shown in Figure 3, this processing unit also comprises Audio Input Modules 111, audio processing modules 112 and dio Output Modules 113.
Audio Input Modules 111 is connected with audio input interface 19 signal of telecommunication, for passing through audio input interface 19 audio reception data.Audio processing modules 112 is connected with Audio Input Modules 111 signal of telecommunication, exports dio Output Modules 113 to after the voice data for receiving Audio Input Modules 111 carries out audio effect processing.Dio Output Modules 113 connects audio processing modules 112 and audio output interface 21, exports external equipment for the audio signal after being processed by audio frequency process mould 112 to by audio output interface 21.
In addition, dio Output Modules 113 is also connected with memory interface 13 signal of telecommunication, is sent to External memory equipment for the audio signal after the voice data that received by Audio Input Modules 111 or audio processing modules 112 process by memory interface 13.
In particular, this processing unit 11 first video data, the second video data, voice data or the audio processing modules 112 that obtain after processing unit 11 processes can be processed after audio signal be sent to External memory equipment by memory interface 13 simultaneously.
Please continue to refer to Fig. 2, described video capture device 10 also comprises video output interface 18 and data format conversion module 22.This video output interface 18 can be HDMI (High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)), VGA(Video Graphics Array, Video Graphics Array) interface, DVI interface (Digital Visual Interface, digital visual interface), VIDEO interface (Analog Composite Video interface) and USB(Universal Serial Bus, USB) any one in interface.
Data format conversion module 22 connects video output interface 18 and processing unit 11, for carrying out Data Format Transform to via the video data after processing unit 11 process, with the type making the data format of the data after processing via processing unit 11 be adapted to the video output interface of video capture device 10.
Such as, video input interface 12 is HDMI input interface (i.e. HD video input interface), when video output interface 18 is USB output interface, this data format conversion module 22 carries out Data Format Transform to via the video data after processing unit 11 process, to make the video data of the applicable HDMI input interface form after processing via processing unit 11 be converted to the type being adapted to USB output interface, and export via USB output interface.
Further, as shown in Figure 2, this video capture device 10 MFI authentication module 17 of also comprising lightning interface 16 and being connected with lightning interface 16 signal of telecommunication.This lightning interface 16 is arranged on housing, and this MFI authentication module 17 is placed in housing.
Ios device (such as, ipone or ipad) is connected with processing unit 11 signal of telecommunication by lightning interface 16.MFI authentication module comprises ios device certificate of certification, for realizing the communication between video capture device 10 and ios device based on MFI authentication protocol.When receiving from the video data of lightning interface 16 or voice data, MFI authentication module 17 sends heartbeat data by lightning interface 16 to ios device, after ios device certification is passed through, this video capture device 10 can to carry out the transmission of video data or voice data with ios device with larger bandwidth.This processing unit 11 processes rear output to from the video data of lightning interface 16 or voice data.
Further, this video capture device also has picture-in-picture processing capacity.Please merge with reference to figure 2 and Fig. 4, the shell of this video capture device 10 is provided with picture-in-picture button 23, and this picture-in-picture button 23 is connected with processing unit 11 signal of telecommunication.This picture-in-picture button 23 sends picture-in-picture control command to processing unit 11 when being triggered according to default triggering mode, exports after carrying out picture-in-picture process to make processing unit 11 to the first vision signal that at least one video input interface 12 inputs.First vision signal comprises the vision signal being directly inputted into processing unit 11 via video input interface 12, and/or, the vision signal of processing unit 11 is exported to via signal selection module 15 selectivity.
Corresponding to the picture-in-picture processing capacity of this video capture device 10, this processing unit 11 comprises instructions parse device 114, input setting device 115, picture-in-picture function final controlling element 116 and video signal output apparatus 117.
Instructions parse device 114 is connected with picture-in-picture button 23 signal of telecommunication, for receiving and resolving the instructions parse device of picture-in-picture control command.
Input setting device 115 and instruction resolver 114 connects, for setting to form the vision signal of parent window and the vision signal in order to form subwindow according to the picture-in-picture control command after parsing from the first vision signal inputted by least one video input interface 12.
Picture-in-picture function final controlling element 116 connects input setting device 115 and video signal output apparatus 117, for generation of picture-in-picture picture, in this picture-in-picture picture, is embedded in parent window by subwindow, or parent window and subwindow split screen is shown.
Video signal output apparatus 117 is connected with video output interface 18, for the first vision signal of picture-in-picture picture being converted to the signal format of specifying and exporting destination and the signal exported through conversion.
This picture-in-picture function implementation procedure is as follows: after picture-in-picture button 23 is triggered, instructions parse device 114 is resolved the instruction that this picture-in-picture button 23 generates, this first vision signal of the first vision signal 1(that wherein a video input interface 12 inputs is be directly inputted into the vision signal of processing unit 11 or the vision signal for exporting processing unit 11 to via signal selection module 15 selectivity by video input interface 12 according to the instruction after resolving by input setting device 115) be set as forming parent window, this first vision signal of the first vision signal 2(of another video input interface 12 input is export the vision signal of processing unit 11 or the vision signal for being directly inputted into processing unit 11 by video input interface 12 to via signal selection module 15 selectivity) be set as forming subwindow, picture-in-picture function final controlling element 116 embeds in the first vision signal 1 by the first vision signal 2 of input setting device setting, or, by the first vision signal 1 and the display of the first vision signal 2 split screen.Vision signal after picture-in-picture function final controlling element 116 processes by video signal output apparatus 117 is carried out format conversion and is exported with applicable video output interface 18.Such as, if video input interface 12 is HDMI, video output interface 18 is USB interface, then the vision signal of the form of the applicable HDMI output after the process of picture-in-picture function final controlling element is converted to the signal format that applicable USB interface exports by video signal output apparatus.
Above-mentioned picture-in-picture function is the mode using small one and large one two video pictures superpositions, presents two vision signals simultaneously.User can be made to show two programs on the screen at the same, namely on the key frame of normal viewing, insert one or more sprite through overcompression simultaneously, while appreciation key frame, to monitor other channel.
Further, this video capture device also has picture capturing function.As shown in Figure 5, this video capture device 10 also comprises and is arranged on data cutout button on housing 24 and is positioned at housing and the storage device 31 be electrically connected with processing unit 11.This processing unit 11 also comprises data cutout module.Data cutout button 24 is connected with this data cutout modular telecommunications number, video or picture capturing instruction is sent to data cutout module when data cutout button 24 is triggered according to default triggering mode, data cutout module performs this video or the corresponding video of picture capturing instruction or picture capturing operation, and the video of intercepting or picture data are sent to storage device 31.
These are only better possible embodiments of the present utility model, and unrestricted protection range of the present utility model, all utilization the utility model specifications and the change of the equivalent structure done by accompanying drawing content, be all included in protection range of the present utility model.
Claims (10)
1. a video capture device, is characterized in that, comprising:
Housing;
At least one video input interface, it is arranged on the housing, and described video capture device receives the first video data from external equipment via described video input interface;
Memory interface, it is arranged on the housing, for being connected with the External memory equipment signal of telecommunication;
Processing unit, it is arranged in described housing, is connected respectively with described video input interface and the described memory interface signal of telecommunication, for described first video data is sent to External memory equipment by described memory interface; And/or described processing unit obtains the second video data after carrying out Video processing to described first video data, and described second video data is sent to External memory equipment by described processing unit.
2. video capture device according to claim 1, is characterized in that:
Described video input interface is multiple, to input multi-channel video signal to described video capture device;
Described video capture device also comprises signal selection module; described signal selection module comprises the first input end be connected with described multiple video input interface signal of telecommunication; multichannel first vision signal of described multiple video input interface input is input to described signal selection module via first input end corresponding thereto respectively, and described signal selection module is used for carrying out selectivity output to described multichannel first vision signal of input under the effect of control command;
Described signal selection module also comprises output, and described output is communicated with to make to enter described signal selection module the first video data with the described processing unit signal of telecommunication is input to described processing unit via described output and processes.
3. video capture device according to claim 1 and 2, is characterized in that:
Described video capture device also comprises recording button;
Described processing unit comprises recording module;
Described recording button is arranged on the housing, is connected with described recording modular telecommunications number; When described recording button is triggered according to default triggering mode, described first video data is sent to External memory equipment by described memory interface by described recording module; Or described second vision signal is sent on described memory device by memory interface by described recording module;
Described first video data comprises the first video data being directly inputted into described recording module via described video input interface, and/or described first video input interface exports described first vision signal of described processing unit to via described signal selection module selectivity.
4. video capture device according to claim 1, is characterized in that:
Described video capture device also comprises audio input interface and audio output interface; Described audio input interface and audio output interface are all arranged on the housing;
Described processing unit also comprises:
Audio Input Modules: for by described audio input interface audio reception data;
Audio processing modules: export described dio Output Modules to after the described voice data received for described Audio Input Modules carries out audio effect processing; And,
Dio Output Modules; For exporting the audio signal after described audio processing modules process to external equipment by described audio output interface, and/or the audio signal after the voice data receive described Audio Input Modules or described audio processing modules process is sent to described External memory equipment by described memory interface.
5. video capture device according to claim 1, is characterized in that:
Described video input interface is HD video input interface;
Described video capture device also comprises video output interface and data format conversion module;
Described data format conversion module is communicated with the described processing unit signal of telecommunication, Data Format Transform is carried out, with the type making the data format of the data after via described processing unit processes be adapted to the data output interface of described video capture device for via the video data after described processing unit processes.
6. video capture device according to claim 1 and 2, is characterized in that: described video capture device comprises picture-in-picture button;
Described picture-in-picture button sends picture-in-picture control command to described processing unit when being triggered according to default triggering mode, exports after carrying out picture-in-picture process to make first vision signal of described processing unit to video input interface input described at least one; Described first vision signal comprises described first vision signal being directly inputted into described processing unit via described video input interface, and/or described video input interface exports described first vision signal of described processing unit to via described signal selection module selectivity;
Described processing unit comprises:
Instructions parse device, it is for receiving and resolving described picture-in-picture control command;
Input setting device, it is for setting to form the vision signal of parent window and the vision signal in order to form subwindow from the first vision signal inputted by video input interface described at least one according to the picture-in-picture control command after parsing;
Picture-in-picture function final controlling element, it is for generation of picture-in-picture picture, in this picture-in-picture picture, is embedded in parent window by subwindow, or parent window and subwindow split screen is shown; And
Video signal output apparatus, it is for converting the signal format of specifying and exporting destination to and the signal exported through conversion by the first vision signal of picture-in-picture picture.
7. video capture device according to claim 1, is characterized in that:
Described video capture device also comprises data cutout button;
Described video capture device also comprises storage device;
Described processing unit also comprises data cutout module;
Video or picture capturing instruction is sent to described data cutout module when described data cutout button is triggered according to default triggering mode, described data cutout module performs this video or the corresponding video of picture capturing instruction or picture capturing operation, and the video of intercepting or picture data are sent to described storage device.
8. according to the video capture device in claim 1 ~ 5 described in any one, it is characterized in that, described video input interface is at least one in HDMI, VGA, DVI, VIDEO and USB input interface.
9. video capture device according to claim 1, is characterized in that:
Described video input interface comprises lightning interface;
Described video capture device also comprises the MFI authentication module be connected with lightning interface electric signals; Described MFI authentication module comprises ios device certificate of certification, for realizing the communication between described video capture device and ios device based on MFI authentication protocol;
Described ios device is connected with the described processing unit signal of telecommunication by described lightning interface.
10. video capture device according to claim 1, is characterized in that:
Described audio input interface and described audio output interface comprise RCE interface, 3.5 millimeters of audio interface and/or USB interface;
Described memory interface is SD card interface or USB flash disk interface.
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| CN201520459554.8U CN204697215U (en) | 2015-06-30 | 2015-06-30 | Video capture device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106844252A (en) * | 2015-12-07 | 2017-06-13 | 瑞昱半导体股份有限公司 | USB change-over circuits are changed and transmission method with signal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106844252A (en) * | 2015-12-07 | 2017-06-13 | 瑞昱半导体股份有限公司 | USB change-over circuits are changed and transmission method with signal |
| CN106844252B (en) * | 2015-12-07 | 2020-03-24 | 瑞昱半导体股份有限公司 | USB conversion circuit and signal conversion and transmission method |
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