CN105898314A - Method converting USB format video data to HDMI format video data, device and system - Google Patents
Method converting USB format video data to HDMI format video data, device and system Download PDFInfo
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- CN105898314A CN105898314A CN201510887266.7A CN201510887266A CN105898314A CN 105898314 A CN105898314 A CN 105898314A CN 201510887266 A CN201510887266 A CN 201510887266A CN 105898314 A CN105898314 A CN 105898314A
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- video data
- usb
- format video
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Abstract
The invention provides a method converting USB format video data to HDMI format video data, a device and a system. The method comprises the steps that S001, USB format video data packaged in a USB data format are received, wherein the USB format video data are sent by a wireless USB module of a sending terminal; S002, the USB format video data are converted into HDMI format video data packaged in a HDMI data format; and S003, the HDMI format video data are sent to a receiving terminal without the wireless USB module, wherein the HDMI format video data are played by the receiving terminal. The device comprises a USB format video data receiving module, a conversion module and a sending module. According to the invention, the USB format data sent by the wireless USB module are converted to the HDMI format video data; and a large-screen device without the wireless USB module can receive the video data sent by the wireless USB module.
Description
Technical field
The present embodiments relate to Data Format Transform field, particularly relate to a kind of USB format video
Data turn the methods, devices and systems of HDMI format video data.
Background technology
At present by the high definition or super clear of the small screen device of mobile phone, panel computer or notebook computer etc.
When video data is sent to the giant-screen equipment such as TV, large-screen display, typically use HDMI cable,
Or VGA cable etc., but these modes transmitting video data are all based on wire transmission, Yong Hu
During transmission and inconvenient.
Small screen device and giant-screen equipment is needed all by the way of Wireless USB transmits video data
There is wireless USB module, but giant-screen equipment is all configured without wireless USB module, nothing at present
Method receives the video data transmitted by Wireless USB.
Therefore, it is necessary to propose a kind of to make the giant-screen equipment without wireless USB module to connect
The method receiving radio USB data.
Summary of the invention
Based on problem above, the embodiment of the present invention proposes a kind of USB format video data and turns HDMI lattice
The method of formula video data, by wireless USB module is sent with usb data form encapsulation
USB format data transfer the HDMI format video data using the encapsulation of HDMI data form to, make large-size screen monitors
Equipment can solve and do not have Wireless USB mould in the way of directly playing HDMI format video data
The problem that the giant-screen equipment of block can receive the video data that wireless USB module sends.
First aspect, a kind of USB format video data of embodiment of the present invention proposition turns HDMI form and regards
The method of frequency evidence, including:
Step S001, receives and sends the employing usb data form that the wireless USB module of terminal sends
The USB format video data of encapsulation；
Step S002, is converted to described USB format video data use the encapsulation of HDMI data form
HDMI format video data；
Step S003, is sent to not include described Wireless USB by described HDMI format video data
The reception terminal of module, described HDMI format video data plays out for described reception terminal.
Preferably, after described step S001, also include decompression step: if described step S001
In described USB format video data be the USB format video data through overcompression, then to described
Decompress through the USB format video data of overcompression.
Preferably, described step S002 specifically includes: use USB to turn HDMI decoding chip by institute
State USB format video data and be converted to described HDMI format video data.
Preferably, described USB format video data is super clear video data or HD video data.
Second aspect, a kind of USB format video data of embodiment of the present invention proposition turns HDMI form and regards
The device of frequency evidence, including:
Receive USB format video data module, send out for receiving the wireless USB module sending terminal
The USB format video data using the encapsulation of usb data form sent；
Modular converter, for being converted to employing HDMI data form by described USB format video data
The HDMI format video data of encapsulation；
Sending module, described wireless for being sent to described HDMI format video data not include
The reception terminal of USB module, described HDMI format video data is broadcast for described reception terminal
Put.
Preferably, decompression module is also included: if for described USB format video data for passing through
The USB format video data of compression, then carried out the described USB format video data through overcompression
Decompress.
Preferably, described modular converter specifically includes: use USB to turn HDMI decoding chip by described
USB format video data is converted to described HDMI format video data.
Preferably, described USB format video data is super clear video data or HD video data.
The third aspect, the embodiment of the present invention proposes a kind of USB format data and turns HDMI formatted data
System, including:
Send terminal, video data format conversion equipment and receive terminal；
Described transmission terminal includes wireless USB module, and described wireless USB module will use USB number
It is sent to described video data format conversion equipment according to the USB format video data of form encapsulation；
Described video data format conversion equipment includes:
Receive USB format video data module, send out for receiving the wireless USB module sending terminal
The USB format video data using the encapsulation of usb data form sent；
Converting video frequency data format module, for being converted to employing by described USB format video data
The HDMI format video data of HDMI data form encapsulation；
HDMI format video data sending module, for being sent to described HDMI format video data
Do not include the reception terminal of described wireless USB module；
Described reception terminal receives described HDMI format video data and plays out.
Preferably, described video data format conversion equipment also includes decompression module: if for institute
Stating USB format video data is the USB format video data through overcompression, then to described through overvoltage
The USB format video data of contracting decompresses.
Use technique scheme, have the advantages that
By the USB encapsulated with usb data form that the wireless USB module sending terminal is sent
Formatted data transfers the HDMI format video data using the encapsulation of HDMI data form to, is sent to big
Screen equipment makes the giant-screen equipment can be in the way of directly playing HDMI format video data, it is achieved that
The giant-screen equipment without wireless USB module can also receive the video that wireless USB module sends
The function of data.
Accompanying drawing explanation
Fig. 1 is the side that USB format data turn HDMI formatted data according to an embodiment of the invention
The flow chart of method；
Fig. 2 is that USB format data turn HDMI formatted data in accordance with another embodiment of the present invention
The flow chart of method；
Fig. 3 is that USB format data turn HDMI formatted data in accordance with another embodiment of the present invention
The block diagram of device；
Fig. 4 is that USB format data turn HDMI formatted data in accordance with another embodiment of the present invention
The block diagram of system.
Detailed description of the invention
Below in conjunction with specific embodiments and accompanying drawing, the present invention is further described in detail.Its
It is only intended to elaborate specific embodiments of the present invention, the present invention is not produced any restriction,
Protection scope of the present invention is as the criterion with claims.
With reference to Fig. 1, a kind of USB format video data of embodiment of the present invention proposition turns HDMI form and regards
The method of frequency evidence, including: step S001, receive the wireless USB module transmission of transmission terminal
Use the USB format video data of usb data form encapsulation；Step S002, regards USB format
Frequency is according to being converted to use the HDMI format video data of HDMI data form encapsulation；Step S003,
HDMI format video data is sent to not include the reception terminal of wireless USB module, described HDMI
Format video data is used for receiving terminal and plays out.Send terminal and be preferably small screen device such as hands
Machine, notebook computer or panel computer etc..Receive terminal and be preferably giant-screen equipment such as TV, greatly
Screen display etc..Wireless USB Specification provides being wirelessly transferred of equipment room data, transmission at present away from
From for about 10 meters, along with the maturation of Wireless USB, its bandwidth and transmission range are all by increasing
Greatly.HDMI is the abbreviation of High Definition Multimedia Interface, and it is a kind of
Digitized audio-video interface technology, is suitable for image transmission, and current HDMI2.0 full bandwidth is 18Gbps.
Perform said method is that the Wireless USB of a kind of HDMI that can be inserted into large screen display turns
HDMI adapter, Wireless USB turns HDMI adapter and comprises wireless USB module, passes through Wireless USB
The wireless USB module turning HDMI adapter receives the USB of the wireless USB module transmission sending terminal
Format video data, is then converted to HDMI format video data by USB format video data,
It is sent to large screen display afterwards by the HDMI of large screen display.
By the USB encapsulated with usb data form that the wireless USB module sending terminal is sent
Formatted data transfers the HDMI format video data using the encapsulation of HDMI data form to, is sent to big
Screen equipment makes the giant-screen equipment can be in the way of directly playing HDMI format video data, it is achieved that
The giant-screen equipment without wireless USB module can receive the video counts that wireless USB module sends
According to function.
In one of which embodiment, after step S001, also include decompression step: if walking
USB format video data in rapid S001 is the USB format video data through overcompression, then to warp
The USB format video data of overcompression decompresses.Owing to the data bandwidth of Wireless USB 3.0 is
5Gbps, and when transmitting super clear video it is generally required to the data bandwidth of 9Gbps could transmit, at present
Wireless USB 3.0 data bandwidth be unsatisfactory for transmitting the data bandwidth required for super clear video, so
Send terminal can the super clear video data that will transmit first be compressed, then will super clear after compression
Video data sends.Decompression step is receiving the USB format video data through overcompression
After, need first to connect it compression, carry out the conversion of data form the most again.
In one of which embodiment, step S002 specifically includes: uses USB to turn HDMI and solves
USB format video data is converted to HDMI format video data by code chip.USB turns HDMI decoding
USB format video data directly can be converted to HDMI format video data by chip, improves and turns
Change efficiency.
In one of which embodiment, USB format video data is super clear video data or high definition
Video data.General super clear video data or HD video data are very big, use general bluetooth,
The modes such as WIFI cannot be transmitted, so using the transmission means of Wireless USB to carry out transmitting relatively reliable
With the shortening transmission time.
With reference to Fig. 2, as highly preferred embodiment of the present invention, by the USB format video that will receive
Data are converted to HDMI format video data and are sent to receive the mode of terminal and make not have wireless
The reception terminal of USB module can be with playing video file.With transmission terminal as mobile phone, receiving terminal is
Explanation as a example by television indicator.Step S201, Wireless USB turns HDMI adapter insertion TV and shows
The HDMI of device is attached；Step S202, Wireless USB turns HDMI adapter and receives in one's hands
The USB format video data through overcompression that machine is sent by Wireless USB；Step S203, wireless
USB turns HDMI adapter and decompresses the USB format video data of compression；Step S204,
Wireless USB turns the USB format video data after HDMI adapter will decompress and turns HDMI by USB
USB format video data is converted to HDMI format video data by decoding chip；Step S205, will
HDMI format video data is sent to television indicator by the HDMI of television indicator；Step
S206, television indicator plays HDMI format video data.
With reference to Fig. 3, the present invention proposes a kind of USB format video data and turns HDMI format video data
Device, including: receive USB format video data module 301, for receive send terminal nothing
The USB format video data using the encapsulation of usb data form that line USB module sends；Modulus of conversion
Block 302, for being converted to use the HDMI of HDMI data form encapsulation by USB format video data
Format video data；Sending module 303, for being sent to not include by HDMI format video data
The reception terminal of wireless USB module, HDMI format video data is used for receiving terminal and plays out.
It is the Wireless USB of a kind of HDMI that can be inserted into large screen display including the device of above-mentioned module
Turn HDMI adapter.
In one of which embodiment, also include decompression module: if for USB format video
Data are the USB format video data through overcompression, then to the USB format video counts through overcompression
According to decompressing.
In one of which embodiment, modular converter 302 specifically includes: use USB to turn HDMI
USB format video data is converted to HDMI format video data by decoding chip.
In one of which embodiment, USB format video data is super clear video data or high definition
Video data.
With reference to Fig. 4, the present invention proposes a kind of USB format data and turns the system of HDMI formatted data,
Including: send terminal 40, video data format conversion equipment 50 and receive terminal 60；Send eventually
End 40 includes wireless USB module 401, and wireless USB module 401 will use usb data form envelope
The USB format video data of dress is sent to video data format conversion equipment 50；Video data format
Conversion equipment 50 includes: receives USB format video data module 501, is used for receiving transmission terminal
The USB format video counts using the encapsulation of usb data form that the wireless USB module 401 of 40 sends
According to；Converting video frequency data format module 502, for being converted to employing by USB format video data
The HDMI format video data of HDMI data form encapsulation；HDMI format video data sending module
503, for HDMI format video data is sent to not include the reception terminal of wireless USB module
60；Receive terminal 60 receive HDMI format video data and play out.
In one of which embodiment, video data format conversion equipment also includes decompression module:
If being the USB format video data through overcompression for USB format video data, then to through overvoltage
The USB format video data of contracting decompresses.
Above-described is only principle and the preferred embodiment of the present invention.It should be pointed out that, for this
For the those of ordinary skill in field, on the basis of the principle of the invention, it is also possible to make some its
Its modification, also should be regarded as protection scope of the present invention.
Claims (10)
1. the method that a USB format video data turns HDMI format video data, it is characterised in that
Including:
Step S001, receives and sends the employing usb data form that the wireless USB module of terminal sends
The USB format video data of encapsulation；
Step S002, is converted to described USB format video data use the encapsulation of HDMI data form
HDMI format video data；
Step S003, is sent to not include described Wireless USB by described HDMI format video data
The reception terminal of module, described HDMI format video data plays out for described reception terminal.
USB format video data the most according to claim 1 turns HDMI format video data
Method, it is characterised in that after described step S001, also includes decompression step: if described step
Described USB format video data in rapid S001 is the USB format video data through overcompression, then
The described USB format video data through overcompression is decompressed.
USB format video data the most according to claim 1 turns HDMI format video data
Method, it is characterised in that described step S002 specifically includes: use USB to turn HDMI and decode core
Described USB format video data is converted to described HDMI format video data by sheet.
USB format video data the most according to claim 1 turns HDMI format video data
Method, it is characterised in that described USB format video data is super clear video data or HD video
Data.
5. a USB format video data turns the device of HDMI format video data, it is characterised in that
Including:
Receive USB format video data module, send out for receiving the wireless USB module sending terminal
The USB format video data using the encapsulation of usb data form sent；
Modular converter, for being converted to employing HDMI data form by described USB format video data
The HDMI format video data of encapsulation；
Sending module, described wireless for being sent to described HDMI format video data not include
The reception terminal of USB module, described HDMI format video data is broadcast for described reception terminal
Put.
USB format video data the most according to claim 5 turns HDMI format video data
Device, it is characterised in that also include decompression module: if for described USB format video data
For the USB format video data through overcompression, then to the described USB format video counts through overcompression
According to decompressing.
USB format video data the most according to claim 5 turns HDMI format video data
Device, it is characterised in that described modular converter specifically includes: use USB to turn HDMI decoding chip
Described USB format video data is converted to described HDMI format video data.
USB format video data the most according to claim 5 turns HDMI format video data
Device, it is characterised in that described USB format video data is super clear video data or HD video
Data.
9. USB format data turn the system of HDMI formatted data, it is characterised in that including:
Send terminal, video data format conversion equipment and receive terminal；
Described transmission terminal includes wireless USB module, and described wireless USB module will use USB number
It is sent to described video data format conversion equipment according to the USB format video data of form encapsulation；
Described video data format conversion equipment includes:
Receive USB format video data module, send out for receiving the wireless USB module sending terminal
The USB format video data using the encapsulation of usb data form sent；
Converting video frequency data format module, for being converted to employing by described USB format video data
The HDMI format video data of HDMI data form encapsulation；
HDMI format video data sending module, for being sent to described HDMI format video data
Do not include the reception terminal of described wireless USB module；
Described reception terminal receives described HDMI format video data and plays out.
USB format video data the most according to claim 9 turns HDMI format video data
System, it is characterised in that described video data format conversion equipment also includes decompression module:
If being the USB format video data through overcompression for described USB format video data, then to institute
State the USB format video data through overcompression to decompress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887266.7A CN105898314A (en) | 2015-12-03 | 2015-12-03 | Method converting USB format video data to HDMI format video data, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887266.7A CN105898314A (en) | 2015-12-03 | 2015-12-03 | Method converting USB format video data to HDMI format video data, device and system |
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| CN105898314A true CN105898314A (en) | 2016-08-24 |
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| CN201510887266.7A Pending CN105898314A (en) | 2015-12-03 | 2015-12-03 | Method converting USB format video data to HDMI format video data, device and system |
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| WO2018090723A1 (en) * | 2016-10-12 | 2018-05-24 | 广州视源电子科技股份有限公司 | Method and apparatus for realizing wired screen delivery |
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Application publication date: 20160824 |