CN206948487U - Video output interface, decoder and codec - Google Patents
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- CN206948487U CN206948487U CN201720838265.8U CN201720838265U CN206948487U CN 206948487 U CN206948487 U CN 206948487U CN 201720838265 U CN201720838265 U CN 201720838265U CN 206948487 U CN206948487 U CN 206948487U
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Abstract
The utility model provides a kind of video output interface, decoder and codec, and the video output interface includes：The data signal of the BT1120 agreements for the fixed resolution that processor Rcv decoder is sent, is handled the data signal, obtains comprising at least SDI parallel digital signals, HDMI signals, YPbPr signals, the echo signal of VGA signals and CVBS signals；Converter is changed to SDI parallel digital signals, obtains SDI serial digital signals, and transmit SDI serial digital signals by the second data-interface；Each first data-interface transmits HDMI signals, YPbPr signals, any of VGA signals and CVBS signals signal.Video output interface in the utility model can realize the output of 5 kinds of signal with different type simultaneously, the video output interface is more convenient when carrying out video frequency output, compatibility is good, it is simple in construction, cost is low, alleviates compatible low and construction complexity and the high technical problem of cost as caused by multiple devices could realize various different output signal decodings in the prior art.
Description
Technical field
The utility model is related to the technical field of electronic equipment, more particularly, to a kind of video output interface, decoder and
Codec.
Background technology
In recent years, video coding and decoding technology be widely used to Web TV, radio and television, digital camera, long-distance education,
Multiple industries such as video conferencing.The development trend of coding and decoding video to web development, support multiple format code capacity into
For one of key, in addition, lattice are carried out to the video flowing based on different coding standard, different frame rates, different resolution
The ability of formula conversion is another critical capability.At present, decoding products generally only have a type of output interface, some products
Two kinds or three kinds of different types of output interfaces may be included.
In present decoding products, typically by the output interface of one or two kinds of types, but work as some videos
When meeting needs a variety of different type output signals, it is desirable to which more different types of equipment could be realized, so not only can
The problem of causing compatible low between more products, can also cause the problem of construction is complicated, cost is higher.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of video output interface, decoder and codec, with
It is complicated to alleviate the compatible low and construction as caused by multiple devices could realize various different output signal decodings in the prior art
The high technical problem with cost.
In a first aspect, the utility model embodiment provides a kind of video output interface, including：Processor and converter,
Wherein, the first data-interface is provided with the processor, the second data-interface, first number are provided with the converter
It is multiple according to the quantity of interface, the quantity of second data-interface is at least one, and the processor connects with the converter
Connect；
The processor is connected with decoder, the BT1120 with fixed resolution sent for receiving the decoder
The data signal of agreement, and the data signal of the BT1120 agreements of the fixed resolution is handled, echo signal is obtained,
Wherein, the echo signal comprises at least：SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals and CVBS letters
Number；
The converter is used to receive the SDI parallel digital signals that the processor is sent, and the SDI is parallel
Data signal is converted into SDI serial digital signals, serial to transmit the SDI to target terminal by second data-interface
Data signal；
Each first data-interface is used for the HDMI signals, the YPbPr signals, the VGA signals and institute
Any one signal stated in CVBS signals is transmitted to the target terminal, wherein, any two in first data-interface
The signal of first data-interface transmission differs.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, the processor includes：Conversion of resolution circuit, signal processing circuit and signal output apparatus, wherein, the resolution ratio turns
Circuit is changed, the signal processing circuit and the signal output apparatus are sequentially connected；
The conversion of resolution circuit is connected with the decoder, for receiving dividing with fixed for the decoder transmission
The data signal of the BT1120 agreements of resolution, the data signal of the BT1120 agreements of the fixed resolution is subjected to resolution ratio and turned
Change, obtain the data signal of BT1120 agreements with different resolution；
The signal processing circuit is used to receive the different resolution that the conversion of resolution circuit is sent
The data signal of BT1120 agreements, and the data signal of the BT1120 agreements of the different resolution is handled, obtain mesh
Signal is marked, wherein, the echo signal comprises at least：SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals,
CVBS signals；
The signal output apparatus is connected with first data-interface and the converter respectively, for receiving the letter
The echo signal that number process circuit is sent, and it is sequentially output the HDMI signals, institute to multiple first data-interfaces
YPbPr signals, the VGA signals and the CVBS signals are stated, and exports the SDI Parallel Digitals to the converter and believes
Number.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, the conversion of resolution circuit, the signal processing circuit and the signal output apparatus are integrated on the first chip.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, first chip is MDIN380 chips.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, the second chip is set on the converter, wherein, signaling conversion circuit is integrated with second chip, wherein, the letter
Number change-over circuit is used to the SDI parallel digital signals being converted into the SDI serial digital signals.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its
In, second chip is GS2972 chips.
Second aspect, the utility model embodiment additionally provide a kind of decoder, including：Described in above-mentioned first aspect
Video output interface, in addition to decoder body, the video output interface are connected with the decoder body.
With reference to second aspect, the utility model embodiment provides the first possible embodiment of second aspect, its
In, the decoder also includes audio output interface, wherein, the audio output interface is connected with the decoder body.
The third aspect, the utility model embodiment additionally provide a kind of codec, including：Described in above-mentioned second aspect
Decoder, in addition to encoder.
With reference to the third aspect, the utility model embodiment provides the first possible embodiment of the third aspect, its
In, the encoder includes：Encoder body, video input interface and audio input interface.
The utility model embodiment brings following beneficial effect：The utility model embodiment provides a kind of video frequency output
Interface, decoder and codec, the video output interface include：Processor and converter, wherein, is provided with processor
One data-interface, is provided with the second data-interface on converter, the quantity of the first data-interface be it is multiple, the second data-interface
Quantity is at least one, and processor is connected with converter；Processor is connected with decoder, is had for what Rcv decoder was sent
The data signal of the BT1120 agreements of fixed resolution, and to the data signal of the BT1120 agreements of fixed resolution at
Reason, obtains echo signal, wherein, echo signal comprises at least：SDI parallel digital signals, HDMI signals, YPbPr signals, VGA
Signal and CVBS signals；Converter is used for the SDI parallel digital signals that reception processing device is sent, and by SDI parallel digital signals
SDI serial digital signals are converted into, to transmit SDI serial digital signals to target terminal by the second data-interface；Each
One data-interface is used for HDMI signals, YPbPr signals, and any one signal in VGA signals and CVBS signals is transmitted to mesh
Terminal is marked, wherein, the signal that the data-interface of any two first transmits in the first data-interface differs.
In existing decoder, the video output interface of typically only one or two kinds of types, but work as some video councils
When view needs a variety of different types of output signals, it is necessary to which more different types of equipment could be realized.With in the prior art
Video output interface compare, the video output interface in the utility model embodiment can pass through processor it is multiple first number
Multi-signal is exported simultaneously according to the second data-interface of interface and converter, is specifically as follows SDI serial digital signals, HDMI letters
Number, YPbPr signals, VGA signals and CVBS signals, to transmit the multi-signal to target terminal.Implementation process is：Processor connects
The data signal for the BT1120 agreements with fixed resolution that decoder is sent is received, to the BT1120 agreements of fixed resolution
Data signal is handled, and is obtained SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals, CVBS signals, is entered
And multiple first data-interfaces on processor transmit HDMI signals, YPbPr signals, VGA signals and CVBS signals to target
Terminal, also, the SDI parallel digital signals that processor is sent are converted into SDI serial digital signals by converter, so that converter
On the second data-interface SDI serial digital signals are transmitted to target terminal.Video frequency output in the utility model embodiment
Interface can realize the output of 5 kinds of signal with different type simultaneously, and the video output interface is more convenient when carrying out video frequency output,
Compatibility is good, and simple in construction, cost is low, and various different output signal solutions could be realized by multiple devices in the prior art by alleviating
Compatible low and construction complexity and the high technical problem of cost caused by code.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for video output interface that the utility model embodiment provides；
Fig. 2 is the structural representation for another video output interface that the utility model embodiment provides；
Fig. 3 is the course of work schematic diagram for the video output interface that the utility model embodiment provides；
Fig. 4 is the structural representation of the video input interface that the utility model embodiment provides and video output interface.
Icon：
11- processors；12- converters；111- conversion of resolution circuits；112- signal processing circuits；113- signal outputs
Circuit.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
For ease of understanding the present embodiment, a kind of video frequency output disclosed in the utility model embodiment is connect first
Mouth describes in detail.
Embodiment one：
A kind of video output interface, with reference to figure 1, the video output interface includes：Processor 11 and converter 12, wherein,
The first data-interface is provided with processor, the second data-interface is provided with converter, the quantity of the first data-interface is more
Individual, the quantity of the second data-interface is at least one, and processor is connected with converter；
Processor is connected with decoder, the number of the BT1120 agreements with fixed resolution sent for Rcv decoder
Word signal, and the data signal of the BT1120 agreements of fixed resolution is handled, echo signal is obtained, wherein, target letter
Number comprise at least：SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals and CVBS signals；
Converter is used for the SDI parallel digital signals that reception processing device is sent, and SDI parallel digital signals are converted into
SDI serial digital signals, to transmit SDI serial digital signals to target terminal by the second data-interface；
Each first data-interface is used for HDMI signals, YPbPr signals, any one in VGA signals and CVBS signals
Kind signal is transmitted to target terminal, wherein, the signal that the data-interface of any two first transmits in the first data-interface differs.
In the utility model embodiment, processor is connected with encoder, and encoder transmits fixed resolution to processor
BT1120 agreements data signal, processor handles the data signal of the BT1120 agreements of the fixed resolution, obtains
To including at least SDI parallel digital signals, HDMI signals, YPbPr signals, the echo signal of VGA signals and CVBS signals.
Multiple first data-interfaces are provided with processor, after processor obtains echo signal, the first data-interface will
Echo signal is HDMI signals, YPbPr signals, and the signal of VGA signals and CVBS signals is transmitted to target terminal.
In addition, when echo signal is SDI parallel digital signals, processor transmits the SDI parallel digital signals to turning
Parallel operation, and then, SDI parallel digital signals are converted into SDI serial digital signals by converter, to pass through the second number on converter
According to interface SDI serial digital signals are transmitted to target terminal.
Normal sdi signal is serial digital signal, so, when obtaining SDI parallel digital signals, it is necessary to by SDI simultaneously
Row data signal is converted into SDI serial digital signals.
The signal that HDMI signals export for HDMI, HDMI (High Definition Multimedia
Interface, abbreviation HDMI) interface is HDMI, HDMI signals are specially high-definition digital signal；
YPbPr signals are specially high definition analog signal；
VGA signals are specially high definition analog signal；
CVBS signals are specially SD analog signal.
In existing decoder, the video output interface of typically only one or two kinds of types, but work as some video councils
When view needs a variety of different types of output signals, it is necessary to which more different types of equipment could be realized.With in the prior art
Video output interface compare, the video output interface in the utility model embodiment can pass through processor it is multiple first number
Multi-signal is exported simultaneously according to the second data-interface of interface and converter, is specifically as follows SDI serial digital signals, HDMI letters
Number, YPbPr signals, VGA signals and CVBS signals, to transmit the multi-signal to target terminal.Implementation process is：Processor connects
The data signal for the BT1120 agreements with fixed resolution that decoder is sent is received, to the BT1120 agreements of fixed resolution
Data signal is handled, and is obtained SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals, CVBS signals, is entered
And multiple first data-interfaces on processor transmit HDMI signals, YPbPr signals, VGA signals and CVBS signals to target
Terminal, also, the SDI parallel digital signals that processor is sent are converted into SDI serial digital signals by converter, so that converter
On the second data-interface SDI serial digital signals are transmitted to target terminal.Video frequency output in the utility model embodiment
Interface can realize the output of 5 kinds of signal with different type simultaneously, and the video output interface is more convenient when carrying out video frequency output,
Compatibility is good, and simple in construction, cost is low, and various different output signal solutions could be realized by multiple devices in the prior art by alleviating
Compatible low and construction complexity and the high technical problem of cost caused by code.
Further, include with reference to figure 2, processor 11：Conversion of resolution circuit 111, signal processing circuit 112 and signal
Output circuit 113, wherein, conversion of resolution circuit, signal processing circuit and signal output apparatus are sequentially connected；
Conversion of resolution circuit is connected with decoder, the BT1120 with fixed resolution sent for Rcv decoder
The data signal of agreement, the data signal of the BT1120 agreements of fixed resolution is subjected to conversion of resolution, obtains that there is difference
The data signal of the BT1120 agreements of resolution ratio；
Signal processing circuit is used for the numeral for receiving the BT1120 agreements of the different resolution of conversion of resolution circuit transmission
Signal, and the data signal of the BT1120 agreements of different resolution is handled, echo signal is obtained, wherein, echo signal
Comprise at least：SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals, CVBS signals；
Signal output apparatus is connected with the first data-interface and converter respectively, is sent for reception signal process circuit
Echo signal, and HDMI signals, YPbPr signals, VGA signals and CVBS signals are sequentially output to multiple first data-interfaces, with
And export SDI parallel digital signals to converter.
Specifically, processor includes what is be sequentially connected：Conversion of resolution circuit, signal processing circuit and signal output electricity
Road.The data signal for the BT1120 agreements with fixed resolution that conversion of resolution circuit Rcv decoder is sent, by fixation
The data signal of the BT1120 agreements of resolution ratio carries out conversion of resolution, obtains the number of BT1120 agreements with different resolution
Word signal, and then, signal processing circuit is handled the data signal of the BT1120 agreements of different resolution, is at least wrapped
Include SDI parallel digital signals, HDMI signals, YPbPr signals, the echo signal of VGA signals and CVBS signals, then, signal is defeated
Go out circuit and receive echo signal, HDMI signals, YPbPr signals, VGA signals and CVBS letters are exported to multiple first data-interfaces
Number, also, signal output apparatus exports SDI parallel digital signals to converter.
Specifically, it is integrated in the first core with reference to figure 2, conversion of resolution circuit, signal processing circuit and signal output apparatus
On piece.First chip is MDIN380 chips.The first chip is namely provided with processor.
With reference to figure 2, the second chip is set on converter, wherein, signaling conversion circuit is integrated with the second chip, wherein,
Signaling conversion circuit is used to SDI parallel digital signals being converted into SDI serial digital signals.Second chip is GS2972 chips.
The course of work of video output interface is simply introduced below, the conversion of resolution circuit in processor receives
The data signal of the BT1120 agreements for the fixed resolution that decoder is sent, and then, conversion of resolution circuit is by fixed resolution
BT1120 agreements data signal be converted into different resolution BT1120 agreements data signal, then, signal transacting electricity
Road is handled the data signal of the BT1120 agreements of different resolution, is comprised at least：SDI parallel digital signals,
The echo signal of HDMI signals, YPbPr signals, VGA signals and CVBS signals.Finally, HDMI is believed by signal output apparatus
Number, YPbPr signals, VGA signals and CVBS signals are transmitted to multiple first data-interfaces, so that HDMI signals, YPbPr signals,
VGA signals and CVBS signals are exported to target terminal by multiple first data-interfaces；Also, signal output apparatus by SDI simultaneously
Row digital data transmission is to converter, so that SDI parallel digital signals are converted into SDI serial digital signals by converter, and then,
SDI serial digital signals are exported to target terminal by the second data-interface.
It is, with reference to figure 3, the BT1120 agreements with fixed resolution of MDIN380 chips Rcv decoder transmission
Data signal, MDIN380 chips handle the data signal of the BT1120 agreements of fixed resolution, are at least wrapped
Include：The echo signal of SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals and CVBS signals, and then, by more
Individual first data-interface is by HDMI signals, YPbPr signals, VGA signals and CVBS signal outputs, in addition, MDIN380 chips can also
SDI parallel digital signals are transmitted to GS2972 chips, gone here and there so that SDI parallel digital signals are converted to SDI by GS2972 chips
Row data signal, and then, SDI serial digital signals are exported by the second data-interface.
Fig. 4 is the structural representation of the video input interface that the utility model embodiment provides and video output interface.
In summary, the video output interface in the utility model embodiment has the following advantages that：
1st, the signal of 5 types can be exported simultaneously, specifically included：SDI serial digital signals, HDMI signals, YPbPr letters
Number, VGA signals and CVBS signals；
2nd, the signal of 5 types of output has different resolution formats；
3rd, simple in construction, compatibility is good, and cost is low.
Embodiment two：
The utility model embodiment additionally provides a kind of decoder, and the decoder includes：Above-mentioned video output interface, is also wrapped
Decoder body is included, wherein, video output interface is connected with decoder body.
Decoder also includes audio output interface, wherein, audio output interface is connected with decoder body.
Embodiment three：
The utility model embodiment additionally provides a kind of codec, and the codec includes：Above-mentioned decoder, in addition to
Encoder.
Encoder includes：Encoder body, video input interface and audio input interface.Wherein, encoder body is distinguished
With video input interface, audio input interface connection.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
The protection domain asked is defined.
Claims (10)
- A kind of 1. video output interface, it is characterised in that including：Processor and converter, wherein, it is provided with the processor First data-interface, is provided with the second data-interface on the converter, the quantity of first data-interface be it is multiple, it is described The quantity of second data-interface is at least one, and the processor is connected with the converter；The processor is connected with decoder, the BT1120 agreements with fixed resolution sent for receiving the decoder Data signal, and the data signal of the BT1120 agreements of the fixed resolution is handled, obtains echo signal, its In, the echo signal comprises at least：SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals and CVBS signals；The converter is used to receiving the SDI parallel digital signals that the processor is sent, and by the SDI Parallel Digitals Signal is converted into SDI serial digital signals, to transmit the SDI serial digitals to target terminal by second data-interface Signal；Each first data-interface is used for the HDMI signals, the YPbPr signals, VGA signals and described Any one signal in CVBS signals is transmitted to the target terminal, wherein, any two in first data-interface The signal of one data-interface transmission differs.
- 2. video output interface according to claim 1, it is characterised in that the processor includes：Conversion of resolution electricity Road, signal processing circuit and signal output apparatus, wherein, the conversion of resolution circuit, the signal processing circuit and described Signal output apparatus is sequentially connected；The conversion of resolution circuit is connected with the decoder, has fixed resolution for receive that the decoder sends BT1120 agreements data signal, the data signals of the BT1120 agreements of the fixed resolution is subjected to conversion of resolution, Obtain the data signal of BT1120 agreements with different resolution；The signal processing circuit is used for the BT1120 associations for receiving the different resolution that the conversion of resolution circuit is sent The data signal of view, and the data signal of the BT1120 agreements of the different resolution is handled, echo signal is obtained, its In, the echo signal comprises at least：SDI parallel digital signals, HDMI signals, YPbPr signals, VGA signals, CVBS signals；The signal output apparatus is connected with first data-interface and the converter respectively, for receiving at the signal The echo signal that circuit is sent is managed, and the HDMI signals are sequentially output to multiple first data-interfaces, it is described YPbPr signals, the VGA signals and the CVBS signals, and export the SDI parallel digital signals to the converter.
- 3. video output interface according to claim 2, it is characterised in that the conversion of resolution circuit, the signal Process circuit and the signal output apparatus are integrated on the first chip.
- 4. video output interface according to claim 3, it is characterised in that first chip is MDIN380 chips.
- 5. video output interface according to claim 1, it is characterised in that the second chip is set on the converter, its In, signaling conversion circuit is integrated with second chip, wherein, the signaling conversion circuit is used for the SDI and line number Word signal is converted into the SDI serial digital signals.
- 6. video output interface according to claim 5, it is characterised in that second chip is GS2972 chips.
- 7. a kind of decoder, it is characterised in that the decoder includes the video any one of the claims 1 to 6 Output interface, in addition to decoder body, the video output interface are connected with the decoder body.
- 8. decoder according to claim 7, it is characterised in that the decoder also includes audio output interface, wherein, The audio output interface is connected with the decoder body.
- 9. a kind of codec, it is characterised in that the codec is included any one of the claims 7 and 8 Decoder, in addition to encoder.
- 10. codec according to claim 9, it is characterised in that the encoder includes：Encoder body, video Input interface and audio input interface.
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| CN201720838265.8U CN206948487U (en) | 2017-07-11 | 2017-07-11 | Video output interface, decoder and codec |
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|---|---|---|---|
| CN201720838265.8U CN206948487U (en) | 2017-07-11 | 2017-07-11 | Video output interface, decoder and codec |
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