CN215344816U - Audio and video data processing equipment - Google Patents
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Abstract
The application discloses an audio and video data processing device. The processing apparatus includes: the interface chip is connected with the input sub-card and is used for decoding the acquired audio and video data into video data and audio data and respectively sending the video data and the audio data to the input sub-card; the input sub-card is used for sending the video data to the video data interaction processor and sending the audio data to the audio data interaction processor; the output daughter card is used for processing the audio data and the video data; the main control card is used for respectively sending commands for processing the video data and the audio data to the video data interaction processor and the audio data interaction processor; the video data interaction processor is used for forwarding the video data to the output daughter card; and the audio data interaction processor is used for forwarding the audio data to the output daughter card. The method and the device solve the technical problem that in the framework of the existing audio and video data processing equipment, the audio data and the video data cannot be independently processed and distributed.
Description
Technical Field
The application relates to the field of multimedia equipment, in particular to audio and video data processing equipment.
Background
The existing audio and video data processing equipment collects various audio and video data through the input daughter card, then sends the audio and video data to the output daughter card through a high-speed serial data link (SERDES), and the output daughter card completes the processing of the audio and video data and outputs the audio and video data to the audio and video terminal to complete the processing of the audio and video data.
In the architecture of the existing audio and video data processing equipment, audio data can only be used as accessory information of video data to be scheduled together with the video data, and the existing audio and video data processing equipment is not flexible enough. And the audio data is embedded into the video data and sent, so that the video data transmission bandwidth is occupied, and the single-channel video data load is reduced.
Aiming at the problem that audio data and video data cannot be independently processed and distributed in the architecture of the existing audio and video data processing equipment, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides audio and video data processing equipment, which is used for at least solving the technical problem that audio data and video data cannot be independently processed and distributed in the architecture of the existing audio and video data processing equipment.
According to an aspect of an embodiment of the present application, there is provided an audio and video data processing device, including: the interface chip is connected with the input sub card and used for decoding the acquired audio and video data into video data and audio data and respectively sending the video data and the audio data to the input sub card; the master control card, the input sub-card and the output sub-card are respectively connected with the video data interaction processor and the audio data interaction processor, wherein the input sub-card is used for sending the video data to the video data interaction processor and sending the audio data to the audio data interaction processor; the output daughter card is used for processing the audio data and the video data; the main control card is used for respectively sending commands for processing the video data and the audio data to the video data interaction processor and the audio data interaction processor; the video data interaction processor is used for forwarding the video data to the output daughter card; and the audio data interaction processor is used for forwarding the audio data to the output daughter card.
Optionally, the interface chip includes: the interface chip respectively sends the audio data to the input sub-card through the first interface and respectively sends the video data to the input sub-card through the second interface; wherein, the first interface includes: SPDIF digital audio interface, integrated circuit built-in audio bus interface; the second interface includes: a low voltage differential signaling interface, a high speed serial data link interface, and a TTL interface.
Optionally, the audio data interaction processor is an FPGA processor.
Optionally, the number of input daughter cards and output daughter cards is plural.
Optionally, the input daughter card and the output daughter card communicate with the audio data interaction processor through the following interfaces: low voltage differential signaling interface, on-board ethernet interface, serial peripheral interface, and I2C bus interface.
Optionally, the input daughter card and the output daughter card communicate with the video data interaction processor through a high-speed serial data link interface.
Optionally, the processing device further comprises: and the input device is communicated with the interface chip and is used for providing audio and video data.
Optionally, the processing device further comprises: and the display equipment is communicated with the output sub-card and is used for displaying the audio data and the video data processed by the output sub-card.
Optionally, the interface chip sends the audio data to the input daughter card through an integrated circuit built-in audio bus interface, and sends the video data to the input daughter card through one of the following interfaces: the device comprises a low-voltage differential signal interface, a high-speed serial data link interface and a TTL interface; the input sub-card and the output sub-card are communicated with the audio data interaction processor through a low-voltage differential signal interface.
According to another aspect of the embodiments of the present application, there is provided another audio-video data processing device, including: the device comprises an interface chip, a master control card, an input sub-card, an output sub-card, a video data interaction processor, an audio data interaction processor, input equipment and display equipment, wherein the input equipment is connected with the interface chip and used for sending audio and video data to the interface chip; the interface chip is connected with the input sub-card and is used for decoding the acquired audio and video data into video data and audio data and respectively sending the video data and the audio data to the input sub-card; the master control card, the input sub-card and the output sub-card are respectively connected with the video data interaction processor and the audio data interaction processor, wherein the master control card is used for issuing a processing command for the audio and video data to the video data interaction processor and the audio data interaction processor; the input sub-card is used for sending the video data to the video data interaction processor and sending the audio data to the audio data interaction processor; the output daughter card is used for processing the audio data and the video data; the main control card is used for respectively sending commands for processing the video data and the audio data to the video data interaction processor and the audio data interaction processor; the video data interaction processor is used for forwarding the video data to the output daughter card; the audio data interaction processor is used for forwarding the audio data to the output daughter card; and the display equipment is communicated with the output sub-card and is used for displaying the audio data and the video data processed by the output sub-card.
In an embodiment of the present application, there is provided an audio and video data processing device, including: the interface chip is connected with the input sub card and used for decoding the acquired audio and video data into video data and audio data and respectively sending the video data and the audio data to the input sub card; the master control card, the input sub-card and the output sub-card are respectively connected with the video data interaction processor and the audio data interaction processor, wherein the input sub-card is used for sending the video data to the video data interaction processor and sending the audio data to the audio data interaction processor; the output daughter card is used for processing the audio data and the video data; the main control card is used for respectively sending commands for processing the video data and the audio data to the video data interaction processor and the audio data interaction processor; the video data interaction processor is used for forwarding the video data to the output daughter card; and the audio data interaction processor is used for forwarding the audio data to the output daughter card. The channel for independently processing and distributing the audio data is added in the structure of the existing audio and video data processing equipment, so that the technical effect that the audio and video data processing equipment can independently process and distribute the audio data and the video data is achieved, and the technical problem that the audio data and the video data cannot be independently processed and distributed in the structure of the existing audio and video data processing equipment is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of an audio-video data processing device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of an audio data interaction processor and a splicing processor according to an embodiment of the present application;
fig. 3 is a block diagram of another structure of an audio-video data processing device according to an embodiment of the present application;
fig. 4 is a block diagram of another structure of an audio-video data processing device according to an embodiment of the present application;
fig. 5 is a block diagram of another structure of an audio-video data processing device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
First, some terms or terms appearing in the description of the embodiments of the present application are applicable to the following explanations:
and (3) SERDES: a high speed serial data link.
AUX FPGA: and the splicing processor is provided with an FPGA which is responsible for data exchange.
IPC IP CAMERA, network CAMERA.
An SDI camera: the new generation high-definition SDI video storage device is also called SDI DRV, and can be accessed to 4/8/16 high-definition digital cameras with resolution up to 1920 × 1080 through an SDI high-speed digital video transmission interface.
LVDS, Low-Voltage Differential Signaling, a Low-Voltage Differential Signaling, is a Differential Signaling technique with Low power consumption, Low error rate, Low crosstalk, and Low radiation.
The serial peripheral interface, i.e. SPI interface, is a synchronous peripheral interface which can make single-chip computer and various peripheral equipments implement serial communication to exchange information.
The I2C bus is a simple, bi-directional two-wire synchronous serial bus developed by PHILIPS. It requires only two wires to transmit information between devices connected to the bus.
The SPDIF interface is short for SONY and PHILIPS digital audio interfaces.
The integrated circuit built-in audio bus, i.e., the I2S bus, is a bus standard that PHILIPS corporation customizes for audio data transfer between digital audio devices.
TTL interface, an interface for transmitting data in a parallel manner.
Fig. 1 is a block diagram of an audio-video data processing device according to an embodiment of the present application, and as shown in fig. 1, the system includes: interface chip 100, master card 101, input daughter card 102, output daughter card 103, video data interaction processor 104, and audio data interaction processor 105, wherein,
the interface chip 100 is connected to the input daughter card 102, and is configured to decode the acquired audio and video data into video data and audio data, and send the video data and the audio data to the input daughter card 102, respectively;
the master card 101, the input sub-card 102 and the output sub-card 103 are respectively connected with the video data interaction processor 104 and the audio data interaction processor 105, wherein,
an input daughter card 102, configured to send video data to a video data interaction processor 104, and send audio data to an audio data interaction processor 105;
the output daughter card 103 is used for processing audio data and video data;
the main control card 101 is used for respectively issuing commands for processing the video data and the audio data to the video data interaction processor 104 and the audio data interaction processor 105;
a video data interaction processor 104, configured to forward the video data to the output daughter card 103;
an audio data interaction processor 105, configured to forward the audio data to the output daughter card 103;
the interface chip divides the acquired audio and video data into audio data and video data, and then distributes the audio data and the video data.
The master control card is the core of system control and is responsible for issuing control commands, the input sub card collects various audio and video data, and the output sub card is responsible for sending various audio and video data. The master control card is connected with the daughter card through channels such as LVDS, hundred mega, kilomega and the like.
The video data interaction processor is configured to implement full-exchange processing of video data in the multimedia device, and in an embodiment provided in the present application, the video data interaction processor is implemented by using a Cross Point Switch matrix Chip (CP).
The audio data interaction processor is used for realizing the full exchange processing of the video data in the multimedia equipment.
Through the system, the channel for independently processing and distributing the audio data is added in the structure of the existing audio and video data processing equipment, so that the technical effect that the audio and video data processing equipment can independently process and distribute the audio data and the video data is realized.
In some alternative embodiments of the present application, the interface chip 100 includes: the interface chip 100 respectively sends the audio data to the input daughter card 101 through the first interface, and respectively sends the video data to the input daughter card 103 through the second interface; wherein, the first interface includes: SPDIF digital audio interface, integrated circuit built-in audio bus interface; the second interface includes: a low voltage differential signaling interface, a high speed serial data link interface, and a TTL interface.
The interface chip sends video data and audio data to the input daughter card through the independent data channel.
According to another alternative embodiment of the present application, the audio data interaction processor 105 is an FPGA processor.
It should be noted that the audio data interaction processor 105 includes but is not limited to a PFGA processor, and may also be implemented by other processors, such as an ARM processor. In the embodiment provided by the application, the audio data interaction processor responsible for the audio data exchange processing is implemented by using an FPGA.
In some alternative embodiments of the present application, the number of input daughter cards 102 and output daughter cards 103 is plural. The distribution processing of the multi-path audio and video data can be realized through the plurality of input sub-cards and the plurality of output sub-cards.
In other alternative embodiments of the present application, the input daughter card 102 and the output daughter card 103 communicate with the audio data interaction processor 105 through the following interfaces: low voltage differential signaling interface, on-board ethernet interface, serial peripheral interface, and I2C bus interface.
It should be noted that the on-board ethernet interface refers to an ethernet interface located on the PCB.
Fig. 2 is a schematic connection diagram of an audio-video data processing device according to an embodiment of the present application, as shown in fig. 2,
the audio data interaction processor is realized through an AUX FPGA, and the input sub card and the output sub card are connected with the AUX FPGA through LVDS channels. And after receiving the audio data, the input daughter card packages the audio data and transmits the audio data to the AUX FPGA through the LVDS communication interface to enter the audio switching matrix.
And after receiving the audio packets of any input sub-card, the AUX FPGA repackages the audio packets according to the routing information configured by the main control card and issues the audio packets to one or more output sub-cards at a time in a multicast communication mode.
And the output sub card simultaneously carries out the splitting processing and interface conversion of the multi-channel audio information according to the packet header information of the audio packet, and finally outputs the audio information to the audio terminal equipment to complete audio processing. It should be noted that, because the interfaces adopted by different audio terminal devices are different, the output daughter card needs to perform interface conversion to successfully distribute the audio data to different audio terminal devices.
In the embodiment of the application, the LVDS channel is used as a communication link for transmitting audio data, and other communication interface schemes such as a hundred-mega ethernet interface may also be selected.
According to an alternative embodiment of the present application, the input daughter card 102 and the output daughter card 103 communicate with the video data interaction processor 104 through a high speed serial data link interface.
The input sub-card and the output sub-card and the video data interaction processor transmit data through a high-speed serial data link (SERDES).
Fig. 3 is a block diagram of another structure of an audio-video data processing device according to an embodiment of the present application, and as shown in fig. 3, the system further includes: an input device 106 in communication with the interface chip 100 for providing audio and video data.
The input device 106 includes an IPC, an SDI camera, a PC video source, and the like, for providing audio and video data.
Fig. 4 is a block diagram of another structure of an audio-video data processing device according to an embodiment of the present application, and as shown in fig. 4, the system further includes: and the display device 107 is communicated with the output sub-card 103 and is used for displaying the audio data and the video data processed by the output sub-card 103.
It should be noted that the display device 107 includes, but is not limited to, an LCD large screen, an LED large screen, or some other terminal device.
According to an alternative embodiment of the present application, the interface chip sends the audio data to the input daughter card through the integrated circuit built-in audio bus interface, and sends the video data to the input daughter card through one of the following interfaces: the device comprises a low-voltage differential signal interface, a high-speed serial data link interface and a TTL interface; the input sub-card and the output sub-card are communicated with the audio data interaction processor through a low-voltage differential signal interface.
It should be noted that, in practical application, the interface chip 100 sends the audio data to the input daughter card 102 through the built-in audio bus interface of the integrated circuit; the video data is sent to the input daughter card 102 through one of the low voltage differential signaling interface, the high speed serial data link interface, and the TTL interface, and it depends on which interface is integrated on the interface chip 100 to transmit the video data through which interface.
Fig. 5 is a block diagram of another structure of an audio-video data processing device according to an embodiment of the present application, and as shown in fig. 5, the system includes: an interface chip 500, a master card 501, an input daughter card 502, an output daughter card 503, a video data interaction processor 504, an audio data interaction processor 505, an input device 506, and a display device 507, wherein,
an input device 506 connected to the interface chip 500, for sending audio/video data to the interface chip 500;
the interface chip 500 is connected to the input daughter card 502, and is configured to decode the obtained audio and video data into video data and audio data, and send the video data and the audio data to the input daughter card 502 respectively;
the master card 501, the input daughter card 502, and the output daughter card 503 are respectively connected to the video data interaction processor 504 and the audio data interaction processor 505, wherein,
an input daughter card 502 for sending video data to the video data interaction processor 504 and sending audio data to the audio data interaction processor 505;
an output daughter card 503 for processing audio data and video data;
the main control card 501 is configured to issue commands for processing video data and audio data to the video data interaction processor 504 and the audio data interaction processor 505, respectively;
a video data interaction processor 504, configured to forward the video data to the output daughter card 503;
an audio data interaction processor 505, configured to forward the audio data to the output daughter card 503;
and the display device 507 is communicated with the output daughter card 503 and is used for displaying the audio data and the video data processed by the output daughter card 503.
According to an alternative embodiment of the present application, the audio data interaction processor 505 is an FPGA processor.
It should be noted that reference may be made to the description of the embodiment shown in fig. 1 to 4 for a preferred implementation of the embodiment shown in fig. 5, and details are not repeated here.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. An audio-video data processing device, comprising: interface chip, main control card, input sub card, output sub card, video data interaction processor and audio data interaction processor, wherein,
the interface chip is connected with the input sub-card and is used for decoding the acquired audio and video frequency into video data and audio data and respectively sending the video data and the audio data to the input sub-card;
the master control card, the input sub-card and the output sub-card are respectively connected with the video data interaction processor and the audio data interaction processor, wherein,
the input sub-card is used for sending the video data to the video data interaction processor and sending the audio data to the audio data interaction processor;
the output daughter card is used for processing the audio data and the video data;
the main control card is used for respectively issuing commands for processing the video data and the audio data to the video data interaction processor and the audio data interaction processor;
the video data interaction processor is used for forwarding the video data to the output sub-card;
and the audio data interaction processor is used for forwarding the audio data to the output daughter card.
2. The processing device of claim 1, wherein the interface chip comprises: the interface chip respectively sends the audio data to the input sub-card through the first interface and respectively sends the video data to the input sub-card through the second interface; wherein,
the first interface includes: SPDIF digital audio interface, integrated circuit built-in audio bus interface;
the second interface includes: a low voltage differential signaling interface, a high speed serial data link interface, and a TTL interface.
3. The processing device of claim 1, wherein the audio data interaction processor is an FPGA processor.
4. The processing apparatus according to claim 1, wherein the number of the input sub-card and the output sub-card is plural.
5. The processing device of claim 1, wherein the input daughter card and the output daughter card communicate with the audio data interaction processor through: low voltage differential signaling interface, on-board ethernet interface, serial peripheral interface, and I2C bus interface.
6. The processing device of claim 1, wherein the input daughter card and the output daughter card communicate with the video data interaction processor through a high speed serial data link interface.
7. The processing apparatus according to claim 1, characterized in that the processing apparatus further comprises: and the input equipment is communicated with the interface chip and is used for providing the audio and video data.
8. The processing apparatus according to claim 1, characterized in that the processing apparatus further comprises: and the display equipment is communicated with the output sub-card and is used for displaying the audio data and the video data which are processed by the output sub-card.
9. The processing apparatus according to claim 2,
the interface chip sends the audio data to the input sub-card through the built-in audio bus interface of the integrated circuit, and sends the video data to the input sub-card through one of the following interfaces: the low voltage differential signal interface, the high speed serial data link interface and the TTL interface;
the input sub-card and the output sub-card are communicated with the audio data interaction processor through a low-voltage differential signal interface.
10. An audio-video data processing device, comprising: interface chip, main control card, input sub card, output sub card, video data interaction processor, audio data interaction processor, input device and display device, wherein,
the input device is connected with the interface chip and used for sending audio and video data to the interface chip;
the interface chip is connected with the input sub-card and is used for decoding the acquired audio and video frequency into video data and audio data and respectively sending the video data and the audio data to the input sub-card;
the master control card, the input sub-card and the output sub-card are respectively connected with the video data interaction processor and the audio data interaction processor, wherein,
the input sub-card is used for sending the video data to the video data interaction processor and sending the audio data to the audio data interaction processor;
the output daughter card is used for processing the audio data and the video data;
the main control card is used for respectively issuing commands for processing the video data and the audio data to the video data interaction processor and the audio data interaction processor;
the video data interaction processor is used for forwarding the video data to the output sub-card;
the audio data interaction processor is used for forwarding the audio data to the output daughter card;
the display device is communicated with the output sub-card and is used for displaying the audio data and the video data processed by the output sub-card.
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