CN211209844U

CN211209844U - Embedded audio and video playing controller

Info

Publication number: CN211209844U
Application number: CN202020374629.3U
Authority: CN
Inventors: 罗宁
Original assignee: Shanghai Ningtai Digital Products Co ltd
Current assignee: Shanghai Ningtai Digital Products Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-08-07
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to an embedded audio and video playing controller, which comprises a mainboard, wherein a CPU and a GPU are integrated and installed on the mainboard; the mainboard is connected with a plurality of output ports and a plurality of network communication ports; the controller also comprises a memory and two power supply modules, wherein the memory is a hard disk and is connected with the mainboard, and the two power supply modules are connected with the mainboard in parallel; the controller is connected with the terminal through an output port, the terminal is connected with the controller through a network communication port, the controller outputs audio and video signals to the terminal for display, the terminal encodes in real time and transmits the encoded audio and video signals back to the controller for decoding and monitoring in real time, and the controller is connected with the network through the network communication port and receives the transcoded output of a received network code stream; the CPU is a Hi3536 chip. The method comprises the following steps of supporting playing of audio and video files in a hard disk, receiving transcoding output of network code streams, and outputting of optical signals; supporting playback; the dual-power input protection is supported, and the damage probability of an electric appliance circuit and the property loss caused by power failure are reduced.

Description

Embedded audio and video playing controller

Technical Field

The utility model relates to a lead to audio frequency and video broadcast storage control coding passback optical transmission and can't harm the communication field, concretely relates to embedded audio frequency and video broadcast controller.

Background

The prior audio and video playing controller has the following defects:

1) the audio and video playing channel is single, and the output of other playing controllers only supports the output of audio and video files in the hard disk。

2) The output port is single, and the output of other play controllers only supports single-port single output.

3) Other playback controllers do not support playback signal feedback monitoring functions.

4) Other play controllers only support single-path power supply input, and have no power failure protection, and once one path of power failure is cut off, the equipment cannot normally operate.

Disclosure of Invention

In order to solve the above problem, the utility model provides an embedded audio and video play controller.

The technical scheme of the utility model:

an embedded audio and video playing controller comprises a mainboard, wherein a CPU and a GPU are integrally installed on the mainboard; the mainboard is connected with a plurality of output ports and a plurality of network communication ports; the controller also comprises a memory and two power supply modules, wherein the memory is a hard disk and is connected with the mainboard, the two power supply modules are connected with the mainboard in parallel, and any one power supply module supplies power to the controller and is controlled by the CPU to switch; the controller is connected with the terminal through an output port, the terminal is connected with the controller through a network communication port, the controller outputs audio and video signals to the terminal for display, the terminal encodes in real time and transmits the encoded audio and video signals back to the controller for decoding and monitoring in real time, and the controller is connected with the network through the network communication port and receives the transcoded output of a received network code stream; the CPU is a Hi3536 chip.

The signal transmission is divided into two types, 1) a video file in the hard disk is converted into an HDMI signal, an optical signal, a VGA signal and a network coding signal through a Hi3536 chip and is output; 2) live code stream is input through an RJ45 network port and is converted into an HDMI signal, an optical signal, a VGA signal and a network coding signal through a Hi3536 chip to be output.

The output port is an output port supporting 1080p high-definition resolution output or HDMI high-definition signal output; the network communication port is a network communication port supporting RJ45 network communication.

The controller further comprises an output card, the output card is an optical fiber output card and is provided with an optical splitting module with 1-branch 8-path L C interfaces, and the output card is connected with the mainboard in a plugging mode.

The mainboard is also connected with a plurality of 232 data serial control ports and a plurality of USB interfaces.

The main board is also connected with a plurality of Audio interfaces, and the Audio interfaces are Audio codec interfaces or unidirectional I2S/PCM interfaces.

The power module is formed by connecting a power switch, a fuse, a 220V power socket and a ground.

The utility model discloses possess following advantage:

1) and the playing of audio and video files in the hard disk and the receiving of network code stream transcoding output are supported.

2) The output is diversified, and the output of optical signals, digital signals and network coding signals is supported, wherein the optical signals support lossless distribution, and the lossless distribution of single-path optical signals into 8-path optical signal output can be realized.

3) The played audio and video signals are coded one way in real time and transmitted back, and can be decoded and monitored in real time through a network signal.

4) By adopting the dual-power module, when one path of power supply fails to supply power, the CPU automatically switches the other path of standby power supply to continue working, thereby reducing the damage probability of the electric appliance circuit and the property loss caused by power failure.

Drawings

Fig. 1 is a schematic diagram of an embedded audio/video play controller connection.

In the figure, a controller 1 comprises a mainboard 1-1, a CPU 1-1-1, a GPU 1-1-2, an output port 1-1-3, a network communication port 1-1-4, a memory 1-2, a power module 1-3, an output card 1-4 and a terminal 2.

Detailed Description

As shown in the figure, the embedded audio and video playing controller comprises a mainboard 1-1, a CPU 1-1-1 and a GPU 1-1-2 are integrally installed on the mainboard 1-1, a plurality of output ports 1-1-3 and a plurality of network communication ports 1-1-4 are connected to the mainboard 1-1, the controller further comprises a memory 1-2 and two power supply modules 1-3, the memory 1-2 is a hard disk and is connected with the mainboard 1-1, the two power supply modules 1-3 are connected with the mainboard 1-1 in parallel, any power supply module 1-3 supplies power to the controller 1 and is controlled to switch by the CPU 1-1-1-1, the controller 1 is connected with a terminal 2 through the output ports 1-1-3, the terminal 2 is connected with the controller 1 through the network communication ports 1-1-4, the controller 1 outputs audio and video signals to the terminal 2 for display, the terminal 2 encodes and transmits the audio and decodes the audio signals back to the controller 1, monitors in real time, the controller 1 is connected with a network through network communication ports 1-1-4, receives network output signals from the network communication ports 1-1, the network communication ports 351-2, the audio output port is connected with a USB communication port, the USB communication port 351-3, the USB interface supporting USB communication port 2, the USB interface port, the USB interface supporting USB communication port is connected with a USB communication port 2, the USB communication port supporting USB communication port 2, the USB communication port, the USB interface supporting USB communication port 1-1-2, the USB interface supporting USB interface 220, the USB interface supporting USB interface 2, the USB interface supporting.

Example (b):

the utility model discloses the technique is a section is exclusively used in HDMI high definition video signal who sends the server and converts the network high definition digital signal into through Hi3536 chip and sends, through the high performance processing terminal based on ARM framework and linux system, or fills up the audio and video resource of broadcasting in the local hard disk and transfer the equipment.

The audio and video file coding method has the advantages that the sent audio and video file is coded for 2 times and sent out through a network, and output signals can be pre-monitored in a control center.

1. Support linux 32 bit embedded system.

2. Network communication of RJ45 is supported.

3. 1080p high definition resolution output is supported.

4. And 1-path HDMI high-definition signal output is supported.

5. And 2-way 232 data serial control ports are supported.

6. And 2-path USB interface control is supported.

7. Processor core

ARM Cortex A17 tetranuclear @ Max.1.4 GHz.

32KB L1 I-Cache, 32KB L1 D-Cache。

1MB L2 Cache。

And the main control processor is used for operating the peripheral drivers and the application programs.

ARM Cortex A7 mononuclear @ Max.900MHz.

32KB L1 I-Cache, 32KB L1 D-Cache。

128KB L2 Cache。

For control of the video-related modules.

8.GPU

And integrating the Mali-T720 GPU.

Supports OpenG L ES 3.1/2.0/1.1.

Supports OpenC L1.2.2/1.1/1.0.

The triangle filling rate is up to 63 MTris/s.

Support double precision FP64 and anti-aliasing function.

9. Video decoding standard

H.265Main Profile L evel5.1 decoding.

H.264 Baseline/Main/High Profile L evel5.0 decoding.

MPEG4 SP L0 ~ L3/ASP L0 ~ L5 decode.

MJPEG/JPEG Baseline decoding.

10. Video coding standard

H.265Main Profile L evel 5.1.

MJPEG/JPEG Baseline encoding.

11. Audio interface (optional)

1 Audio codec is integrated.

Supporting 3 unidirectional I2S/PCM interfaces.

1 input, supporting 16-way multiplexing inputs.

2 outputs.

Support 16bit voice input and output.

12.2G internal memory.

13.512G hard disk.

14. And power-on self-starting and network awakening are supported.

15. And a video return function is supported.

16. And the functions of padding and hard disk expansion are supported.

17. Supporting 2 times of development of software and providing SDK.

18. The double power supplies are supported, and the input voltage can simultaneously support 110V-220V.

19. Two channels are supported.

20. The working temperature (-15 to +55 ℃ C.).

21. Product size 483mm (L) 285mm (w) 45mm (h).

22. Power consumption < 35W.

23. The heat release was <119.35 BTU/H.

24. The weight was 2.5 kg.

25. The information such as disk capacity, disk usage space, memory capacity, memory usage space and processor usage rate can be acquired in real time to support network communication of FIB and RJ 45.

26. The TS stream of the terminal display picture code conversion fixed coding format can be collected in real time and is transmitted back through a network protocol (RTSP or UDP).

27. The playing software of the open source vlc or other playing software is integrated, the playing picture can be embedded into a UI window, fast forward, fast backward, seek, volume control and the like are required to be supported, MU L TIUDP and local playing are supported, and the playing of common video file formats is supported.

28. Common picture display such as bmp, png and jpg is supported, and common animation display such as gif and flash is supported.

29. Control instruction

29.1 Login

A command prompt is opened.

And (4) inputting.

telnet 192.168.2.100 confirms the key.

29.2 view hard disk content.

At the popped-up input username: root confirms the key.

And 4, Password, namely directly pressing a confirmation key without a Password.

a. The cd/mnt/lib-dev/OK key is entered.

Programs in the hard disk of the 3536 card can be viewed.

b. The cd/mnt/hd-sata/ok key is input.

Video files within the hard disk can be viewed.

29.3 viewing Return video signals

The network stream rtsp://192.168.2.100/test.h264 is opened through V L C video playing software, and the returned video signal can be viewed.

The above disclosure is only for the preferred embodiment of the present invention, but not intended to limit itself, and any changes and modifications made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope of the present invention.

Claims

1. An embedded audio and video playing controller comprises a mainboard and is characterized in that a CPU and a GPU are integrally installed on the mainboard; the system is characterized in that the mainboard is connected with a plurality of output ports and a plurality of network communication ports; the controller also comprises a memory and two power supply modules, wherein the memory is a hard disk and is connected with the mainboard, the two power supply modules are connected with the mainboard in parallel, and any one power supply module supplies power to the controller and is controlled by the CPU to switch; the controller is connected with the terminal through an output port, the terminal is connected with the controller through a network communication port, the controller outputs audio and video signals to the terminal for display, the terminal encodes in real time and transmits the encoded audio and video signals back to the controller for decoding and monitoring in real time, and the controller is connected with the network through the network communication port and receives the transcoded output of a received network code stream; the CPU is a Hi3536 chip.

2. The embedded audio/video play controller according to claim 1, wherein the output port is an output port supporting 1080p high definition resolution output or HDMI high definition signal output; the network communication port is a network communication port supporting RJ45 network communication.

3. The embedded audio/video playing controller according to claim 1, wherein the controller further comprises an output card, the output card is an optical fiber output card, the optical fiber output card is provided with an optical splitting module with 1-to-8-channel L C interface, and the output card is connected to the motherboard in a plugging manner.

4. The embedded audio/video playing controller according to claim 1, wherein the motherboard is further connected with a plurality of 232 data serial control ports and a plurality of USB interfaces.

5. The embedded Audio/video play controller of claim 1, wherein the motherboard is further connected with a plurality of Audio interfaces, and the Audio interfaces are Audio codec interfaces or unidirectional I2S/PCM interfaces.

6. The embedded audio/video play controller of claim 1, wherein the power module is composed of a power switch, a fuse, a 220V power socket, and a ground connection.