CN105898547A - Method converting USB format video data to DP format video data, device and system - Google Patents
Method converting USB format video data to DP format video data, device and system Download PDFInfo
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- CN105898547A CN105898547A CN201510883294.1A CN201510883294A CN105898547A CN 105898547 A CN105898547 A CN 105898547A CN 201510883294 A CN201510883294 A CN 201510883294A CN 105898547 A CN105898547 A CN 105898547A
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- video data
- format video
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440236—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by media transcoding, e.g. video is transformed into a slideshow of still pictures, audio is converted into text
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
Abstract
The invention provides a method converting USB format video data to DP 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; S002, the USB format video data are converted into DP format video data packaged in a DP data format; and S003, the DP format video data are sent to a receiving terminal without the wireless USB module, wherein the DP 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 DP 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 DP 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,
DP cable or VGA cable etc., but these modes transmitting video data are all based on wire transmission,
User is the most inconvenient when transmitting.
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 DP form
The method of video data, by the USB encapsulated with usb data form wireless USB module sent
Formatted data transfers the DP format video data using the encapsulation of DP data form to, makes the big screen equipment can
In the way of directly playing DP format video data, solve the large-size screen monitors without wireless USB module
The problem that curtain equipment can receive the video data that wireless USB module sends.
First aspect, the embodiment of the present invention proposes a kind of USB format video data and turns DP format video
The method of data, 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 DP data form
DP format video data；
Step S003, is sent to not include described wireless USB module by described DP format video data
Reception terminal, described DP 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 DP decoding chip by described
USB format video data is converted to described DP format video data.
Preferably, described step S002 specifically includes: first changed by described USB format video data
For using the HDMI format video data of HDMI form encapsulation, then by described HDMI format video number
According to being converted to described DP format video data.
Preferably, described USB format video data is super clear video data or HD video data.
Second aspect, the embodiment of the present invention proposes a kind of USB format video data and turns DP format video
The device of data, 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 DP data form envelope by described USB format video data
The DP format video data of dress；
Sending module, for being sent to not include described Wireless USB by described DP format video data
The reception terminal of module, described DP format video data plays out for described reception terminal.
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 DP decoding chip by described USB
Format video data is converted to described DP format video data.
Preferably, described modular converter specifically includes: first changed by described USB format video data
For using the HDMI format video data of HDMI form encapsulation, then by described HDMI format video number
According to being converted to described DP format video data.
Preferably, described USB format video data is super clear video data or HD video data.
The third aspect, what a kind of USB format data of embodiment of the present invention proposition turned DP formatted data is
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 DP format video data of DP data form encapsulation；
DP format video data sending module, for being sent to not wrap by described DP format video data
Include the reception terminal of described wireless USB module；
Described reception terminal receives described DP format video data and plays out.
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 DP format video data using the encapsulation of DP data form to, is sent to giant-screen
Equipment makes the giant-screen equipment can be in the way of directly playing DP format video data, it is achieved that do not have
The giant-screen equipment of wireless USB module can also receive the video data of wireless USB module transmission
Function.
Accompanying drawing explanation
Fig. 1 is the method that USB format data turn DP formatted data according to an embodiment of the invention
Flow chart；
Fig. 2 is the side that USB format data turn DP formatted data in accordance with another embodiment of the present invention
The flow chart of method；
Fig. 3 is the dress that USB format data turn DP formatted data in accordance with another embodiment of the present invention
The block diagram put；
Fig. 4 be in accordance with another embodiment of the present invention USB format data turn DP formatted data be
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, the embodiment of the present invention proposes a kind of USB format video data and turns DP format video
The method of data, including: step S001, reception sends adopting of the wireless USB module transmission of terminal
USB format video data with the encapsulation of usb data form；Step S002, by USB format video
Data are converted to use the DP format video data of DP data form encapsulation；Step S003, by DP
Format video data is sent to not include the reception terminal of wireless USB module, described DP format video
Data are used for receiving terminal and play out.Send terminal and be preferably small screen device such as mobile phone, notes
This computer or panel computer etc..Receive terminal and be preferably giant-screen equipment such as TV, large screen display
Device etc..Wireless USB Specification provides being wirelessly transferred of equipment room data, and current transmission range is 10 meters
Left and right, along with the maturation of Wireless USB, its bandwidth and transmission range are all by increase.DP is
The abbreviation of DisplayPort, it is a kind of high-definition digital display interface standard, large-screen display equipment
Typically can configure this interface.That perform said method is a kind of DP that can be inserted into large screen display
The Wireless USB of interface turns DP adapter, and Wireless USB turns DP adapter and comprises wireless USB module,
The wireless USB module of the wireless USB module reception transmission terminal of DP adapter is turned by Wireless USB
The USB format video data sent, is then converted to DP format video by USB format video data
Data, the DP interface finally by large screen display is sent to large screen display.
By the USB encapsulated with usb data form that the wireless USB module sending terminal is sent
Formatted data transfers the DP format video data using the encapsulation of DP data form to, is sent to giant-screen
Equipment makes the giant-screen equipment can be in the way of directly playing DP format video data, it is achieved that do not have
The giant-screen equipment of wireless USB module can receive the merit of the video data that wireless USB module sends
Energy.
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: use USB to turn DP decoding
USB format video data is converted to DP format video data by chip.USB turns DP decoding chip can
Directly USB format video data is converted to DP format video data, improve conversion efficiency.
In one of which embodiment, step S002 specifically includes: first by USB format video counts
According to being converted to use the HDMI format video data of HDMI form encapsulation, then by HDMI format video
Data are converted to DP format video data.When not there is USB and turning DP decoding chip, pass through USB
Turn HDMI decoding chip and first USB format video data is converted to HDMI format video data, then
DP format video data is converted to by HDMI format video data.Equally complete data form
Conversion, and reduce cost.
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 be converted to DP format video data and be sent to receive terminal mode make not have Wireless USB
The reception terminal of module can be with playing video file.With transmission terminal as mobile phone, it is aobvious for receiving terminal
Show explanation as a example by device.Step S201, Wireless USB turns DP adapter and inserts the DP interface of display
It is attached；Step S202, Wireless USB turns DP adapter and receives mobile phone and pass through Wireless USB
The USB format video data through overcompression sent；Step S203, Wireless USB turns DP adapter
The USB format video data of compression is decompressed；Step S204, it is adaptive that Wireless USB turns DP
USB format video data after device will decompress turns DP decoding chip by USB and is regarded by USB format
Frequency is according to being converted to DP format video data；Step S205, by DP format video data by aobvious
Show that the DP interface of device is sent to display；Step S206, display plays DP format video data.
With reference to Fig. 3, the present invention proposes a kind of USB format video data and turns DP format video data
Device, including: receive USB format video data module 301, send the wireless of terminal for receiving
The USB format video data using the encapsulation of usb data form that USB module sends；Modular converter
302, regard for the DP form being converted to USB format video data use DP data form to encapsulate
Frequency evidence；Sending module 303, for being sent to not include Wireless USB by DP format video data
The reception terminal of module, DP format video data is used for receiving terminal and plays out.Including above-mentioned mould
The device of block is that the Wireless USB of a kind of DP interface that can be inserted into large screen display turns DP 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: uses USB to turn DP and solves
USB format video data is converted to DP format video data by code chip.
In one of which embodiment, modular converter 302 specifically includes: first regarded by USB format
Frequency evidence is converted to use the HDMI format video data of HDMI form encapsulation, then by HDMI form
Video data is converted to DP format video data.
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 DP formatted data, bag
Include: send terminal 40, video data format conversion equipment 50 and receive terminal 60；Send terminal
40 include wireless USB module 401, and wireless USB module 401 will use the encapsulation of usb data form
USB format video data be sent to video data format conversion equipment 50；Video data format turns
Changing device 50 includes: receive USB format video data module 501, is used for receiving transmission terminal 40
Wireless USB module 401 send use usb data form encapsulation USB format video data；
Converting video frequency data format module 502, for being converted to employing DP number by USB format video data
DP format video data according to form encapsulation；DP format video data sending module 503, being used for will
DP format video data is sent to not include the reception terminal 60 of wireless USB module；Receive terminal 60
Receive DP format video data and play out.
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 (11)
1. the method that a USB format video data turns DP 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 DP data form
DP format video data；
Step S003, is sent to not include described wireless USB module by described DP format video data
Reception terminal, described DP format video data plays out for described reception terminal.
USB format video data the most according to claim 1 turns the side of DP 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 S001 is the USB format video data through overcompression, the most right
The described USB format video data through overcompression decompresses.
USB format video data the most according to claim 1 turns the side of DP format video data
Method, it is characterised in that described step S002 specifically includes: using USB to turn DP decoding chip will
Described USB format video data is converted to described DP format video data.
USB format video data the most according to claim 1 turns the side of DP format video data
Method, it is characterised in that described step S002 specifically includes: first by described USB format video data
Be converted to use the HDMI format video data of HDMI form encapsulation, more described HDMI form is regarded
Frequency is according to being converted to described DP format video data.
USB format video data the most according to claim 1 turns the side of DP format video data
Method, it is characterised in that described USB format video data is super clear video data or HD video number
According to.
6. a USB format video data turns the device of DP 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 DP data form envelope by described USB format video data
The DP format video data of dress；
Sending module, for being sent to not include described Wireless USB by described DP format video data
The reception terminal of module, described DP format video data plays out for described reception terminal.
USB format video data the most according to claim 6 turns the dress of DP format video data
Put, it is characterised in that also include decompression module: if for described USB format video data being
Through the USB format video data of overcompression, then to the described USB format video data through overcompression
Decompress.
USB format video data the most according to claim 6 turns the dress of DP format video data
Put, it is characterised in that described modular converter specifically includes: use USB to turn DP decoding chip by institute
State USB format video data and be converted to described DP format video data.
USB format video data the most according to claim 6 turns the dress of DP format video data
Put, it is characterised in that described modular converter specifically includes: first by described USB format video data
Be converted to use the HDMI format video data of HDMI form encapsulation, more described HDMI form is regarded
Frequency is according to being converted to described DP format video data.
USB format video data the most according to claim 6 turns DP format video data
Device, it is characterised in that described USB format video data is super clear video data or HD video
Data.
11. 1 kinds of USB format data turn the system of DP 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 DP format video data of DP data form encapsulation；
DP format video data sending module, for being sent to not wrap by described DP format video data
Include the reception terminal of described wireless USB module；
Described reception terminal receives described DP format video data and plays out.
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| CN201510883294.1A CN105898547A (en) | 2015-12-03 | 2015-12-03 | Method converting USB format video data to DP format video data, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883294.1A CN105898547A (en) | 2015-12-03 | 2015-12-03 | Method converting USB format video data to DP format video data, device and system |
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| CN201510883294.1A Pending CN105898547A (en) | 2015-12-03 | 2015-12-03 | Method converting USB format video data to DP format video data, device and system |
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