HDMI To IP encoder modulator CVBS H.265 H.264 encoding board PCBA Ethernet RTSP UDP for UAV Drone Robotic
目錄
介紹
There are many HDMI encoding boards on the market. Have you met these problems?
- The delay is too long
- The encoding format cannot be customized
- UART AT remote control or operation cannot be used.
- Can not support HDMI and CVBS dual video input encoding
此編碼器板支持 HDMI, Sdi。, CVBS視頻輸入, 同 IP以太網RJ45活動流輸出, most applications are for wireless video transmitters, 它可以透過以下方式把HDMI或CVBS視頻信號編碼到數字生活流 H.264或H.265, 並將其傳輸到接收器, CVBS到IP轉換器.
The HDMI and Composite CVBS video to IP ethernet stream encoder modulator module board parameter can be configured by UART software modification. 如果您需要自定義類似功能以滿足您的項目,請與我們聯繫.
優勢:
Ultra-Low Latency
H265 or H264 support
HDMI and CVBS Dual Encoding
Two Audio inputs can switch
網頁界面 或者 serial port UART AT command configuration management
- Ultra-low latency H.265/H.264 audio and video encoding maximum support 1080P60 real-time video capture and encoding
- The HDMI or AV input is encoded and outputted to a wireless module through the Ethernet port. The video encoding bit rate can be adjusted dynamically.
- 支持音頻輸入和音頻解碼輸出. (Remote operate by UART AT command choose HDMI or CVBS audio)
- You can choose between HDMI or AV encoding for two videos with the option to control the input source using an AT command.
功能
該板實現H.265/H.264音頻和視頻壓縮編碼, 支持高達1080px60fps 嘅編碼, and is backward compatible with other resolutions and frame rate encoding.
音頻和視頻輸入
- 高清接口(音頻+視頻):1080 60p,1080 50p,1080 30p,1080 25p,1080 60我,1080 50我, 720 60p,720 50p,720 30p, …, 各種模式自適應 (1080P, 1080我, 720P, 1024×768, 1280×1024);
- AV in the interface (音頻 + 视频):720×480 60我(ntsc),720×576 50我(朋友), 模式自適應. through the AV interface, it can be Line in Mic in.
- 默認音頻輸入與視頻輸入接口相同.
- The audio input interface can also be configured through the Web UI when the serial port detects audio.
- The audio and video source signals are encoded, 音視頻源採集接口都可透過配置串口進行配置.
- The audio and video source acquisition interface can be dynamically switched through serial port commands during system operation.
視頻編碼: H.265 或者 H.264 格式, 可以配置編碼比特率.
音頻編碼: 加氣混凝土編碼. - 透過編程特殊固件HDMI+ AV,同時捕獲和編碼板音頻輸出(音頻輸出)
- 該板具有內置音頻解碼輸出功能(線路輸出), 可連接到外部耳機或音頻功率放大器. 音頻被解碼同播放.
以太網端口 (以太網接口)
supports our two-way wireless transmission modulator module, 或其他第三方雙向連結.
無線傳輸接口( FPC Main interface)
可以連接到我哋嘅COFDM無線傳輸糢塊, 都可以連接到我哋嘅雙向無線傳輸鏈路糢塊.
數據-uart
TTL 3.3V 电平, 可配置傳輸波特率等參數. When the board is through a wireless link, 數據串口用于透明數據傳輸.
Control-UART
TTL 3.3V 电平, 可以連接到我哋嘅參數配置面板或其他上位機嚟配置編碼板系統.
USB主機接口
軟件升級和維護. (optional USB recorder function)
供電電壓
支持電源輸入嘅反向連接保護, and supports the power input range of 7~30V. 提供5V電源輸出接口. 最大工作功耗為2.4W (1080P60 H.265編碼), 最大電流為200mA.
指標
電源指示燈, 視頻編碼工作指示器.
The HDMI to IP encoder board size 是 70x45x1.2mm (LWH)
背面組件嘅高度小於2.5mm, 前部組件高度小於6.8mm.
主板重量
20.6 克.
接口信號
- 鋁 (Audio in left), 音頻輸入左聲道;
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抗逆轉錄病毒治療(右側音頻), 音頻輸入右聲道;
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吉安达, 信號接地;
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av, 模擬視頻輸入. (Please ignore the color of the wiring, make sure the fourth jack is CVBS Composite video input.)
Control UART: 配備串口,4引腳1.25mm間距插座, TTL 3.3V 电平, 用于電路板參數配置, 可以連接到Sihaida參數配置面板或其他主機.
USB 接口:4引腳1.25mm間距插座, used for the encoder board software upgrade and maintenance.
音頻輸出接口:2引腳1.25mm間距插座, 該板具有內置音頻解碼輸出功能(線路輸出), 可連接到外部耳機或音頻功率放大器. 解碼同播放來自網絡端口嘅音頻輸入.
以太網: 以太網接口,4引腳1.25mm間距插座
應用
- Done or UAV video encoding
- Robotic or mini-control vehicle
- Unmanned Vehicles UAV
- Unmanned Submarine
- The HDMI to IP board can be COFDM modulation module RCB stacked and assembled with a COFDM one-way transmission module. The connection interface is FPC Main (26PIN扁平電纜柔性電纜接口). HDMI+AV encoder + COFDM Transmitter Module
- The HDMI to IP encoder board PCBA is connected to a two-way wireless link through the network port. 此時, 操作參數可以透過網絡端口Web UI進行配置. 例如, 設置視頻編碼比特率, H264/H265編碼方法, 音頻輸入法, 串行端口波特率, 等.
- The board can be connected to the Control-UART parameter configuration panel to set operating parameters.
- 高清接口版本: 高清視頻V1.4
- 以太網輸出數據速率: 100兆巴
- 工作溫度範圍: -40~85 degrees
- 兼容嘅操作系統: 嵌入式Linux
Web UI management Parameter setting
常見問題
該HDMI視頻轉督察編碼板可以透過網絡端口Web UI查看當前參數配置,並根據應用需求進行修改. 透過網絡端口瀏覽器 HTTP://192.168.1.30/ (編碼板嘅IP地址)
1. 請從瀏覽器檢查網頁界面, 在下圖, 如果視頻源輸入正常, then it will show the CVBS or HDMI at the red arrow.
2. 請檢查HDMI編碼板LED指示燈是否閃爍.
如果佢係綠色並閃爍, 然後視頻輸入源工作正常, 如果唔眨眼, then please check the video input source is ok or not.
可以配置編碼比特率. 默認Web服務器設置為 0.0 表示自動 (3.12Mbps把喺內部使用). 客戶可以修改此值. 例如, 可以配置1Mbps~2Mbps甚至更低.
1. Large I-frames are prone to frame loss due to wireless transmission;
2. If the gop setting is large, the loss of the I frame will lead to a longer recovery time after the blurred screen;
3. The size difference between I frame and P frame is large, which will increase the transmission delay.
1、比如相机输入1080p60,那gop设置为60/120/180(不建议设置太大)
2、比如相机输入1080p25,那gop设置为25/50/75(不建议设置太大)
3、比如相机输入1080i60,由于需要去交织,所有实际编码是1080p30,那gop设置为30/60/90
从上面可以看到,由于输入相机帧率不确定,所以我们一般建议配置0(汽车)
cvbs分制式,pal是25fps,ntsc是30fps
假设是pal,那gop设置25/50/75
1、大的I帧容易因为无线传输的原因导致丢帧花屏;
2、gop设置大,I帧丢失导致花屏后恢复时间变长;
3、I帧和P帧大小差别大,会增加传输延迟
請透過以下連結下載.
Splayer_v4.2_2020.6.6
https://drive.google.com/file/d/1ihzUhfnx2Wo3zLO8UAs1aUQeLswonJD-/view?usp=sharing
Splayer_v4.3_2022.10.22
https://drive.google.com/file/d/1PQc-LZ55qGnjeMsjkHYSloHfY3NEUsGH/view?usp=drive_link
- We can modify the TS stream over UDP, but the TS stream is a non-standard TS stream that we have modified, which needs to be interpreted by our decoder board or special player (下載.).
- If you agree with the RTSP protocol, VLC can play it; if you only agree with the TS stream (due to our non-standard modification), VLC cannot decode and play it, so we must use our special player. (下載.).
- If you want to switch to the standard MPEG-2 TS stream to play with VLC, our software engineer can customize the firmware for you (this will take a few days) for an additional fee of USD500.
- We use non-standard mpeg-2 ts streams primarily for the following reasons:
- The standard mpeg-2 ts stream has too much overhead outside the effective data, making it unsuitable for use with cofdm;
- The standard mpeg-2 ts stream is difficult to implement the aes encryption function;
- The standard mpeg-2 ts stream is difficult to achieve serial port transparent transmission (used with our decoder board)
- If you don't need our decoder board, encryption and serial port transparent transmission, it is also possible to use standard mpeg-2 ts stream
- It is recommended that you try our player; in real-time performance, our player outperforms vlc.
The vlc player's algorithm does not take into account real-time performance; 相反, it will constantly adjust its cache (only increase but not shrink). 結果, the longer it is played, the longer the delay may be (especially when used with a wireless link)
1. SSL certificate is HTTPS protocol, our products do not support it now, only HTTP.
2. The default encoder board through the RTSP protocol, RTSP is not encrypted. You can set a longer password. And change it frequently.
3. If you want to encrypt, you need to use a pair of our codec boards (with encoder and decoder board as TX and RX), with UDP protocol, and they are using aes256 encryption. (Just like the bank level.)
系嘅, 確定, 請與我哋聯繫. Let me list your demand at the below.
1. We need to take a composite analog PAL video signal and transmit it using h264 over MPEG2 TS. 好呀!
2. The output must be playable through VLC. 好呀!
3. UPD://@1030. 好呀!
4. The output network stream packet should be 188 bytes standard mpeg2 TS. 好呀!
5. Compression scheme is h. 264, CVBS PAL input and IP output. 好呀!
Please follow the checkpoints below to confirm.
- After connecting the encoder board with your computer by ethernet cable, the LED of RJ45 connector should be blinking or not. (to check the ethernet connection is ok or not)
- Is your computer configured with 192.168.1.x network segment ip?
- Have you modified the default IP address of the encoding board? If the IP address changed, maybe you can download and use the below software to find what IP address now.
- Or Directly connect the UART cable of the encoding board to the computer, and use the serial port debugging assistant to send the ATGIP_ command.get ip address command Operation Video at Youtube
格式
ATGIP_
Example: ATGIP_
參數
唔
使用
to query the current IP address of the receiving end
Return value
Example:
ATGIP_
ATGIP192.168.0.215 OK
备注
- query command
- More COFDM UART AT commands, please check this link. https://ivcan.com/encoder-modulator-decoder-demodulator-module-parameter/
These parameters are determined by the camera, only the sensor has it.
One more question: In the future is there any possibility to incorporate these features in the output side of encoder (if we get volume orders) ?
Our Answer: These are the parameters of the isp, and our current encoding boards are all bypass isp (because we don't connect the sensor, we don't need and can't use the isp), so we can't add these parameters.
系嘅, CVBS input support NTSC and PAL, Automatic detection and adaptation
- 的 parameter configuration board tool is mainly used for the COFDM module function. If you buy this HDMI / CVBS to IP encoder Vcan1746 separately, you don’t need to buy a parameter configuration board tool, you can adjust the parameters through the Web UI.
- 答案係肯定嘅, if you want to use the parameter configuration board tool to adjust some parameters of the encoder board, it is also possible.
- 例如, the video encoding bit rate can be configured through the Web UI or changed through the extra parameter configuration board tool. The Web UI can configure all the parameters, and the parameter configuration board tool can only adjust some of them.
系嘅, 如果你需要, we can offer you the special firmware to have USB recorder function.
问题。: Does your USB DVR support playback on the encoded video?
答: 唔, The USB has the record function. You need to play it on a computer, it can not playback on the encoder board directly.
- Do you mean HDMI or AV input, or do you need HDMI and AV to support two simultaneous inputs?
- Currently it supports either HDMI or AV input.
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Vcan1746 can only choose one of HDMI/AV at present, other boards can meet the firmware you need, but this board only supports SDI + AV/AHD output.
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If necessary, you can evaluate the board with SDI + AV/AHD input to see if it meets your requirements. 如果係, our HDMI + AV input Vcan1746 can be made the same later.
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If you really need to evaluate the HDMI + 影音接口, please first buy Vcan746 and burn the default shipping firmware for testing. HDMI and AV can be selected for use. If there is a certain amount of follow-up orders, we can develop a special firmware to support HDMI+AV input at the same time.
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The display of HDMI and CVBS video input by two channels at the same time is similar to Hikvision IPC, which is divided into main bit rate and sub bit stream. The main stream corresponds to HDMI, and the sub stream corresponds to CVBS.
- Now we can develop a new firmware to support HDMI and CVBS to live streaming at the same time, but the audio can only be selected from one of the two (the system selects HDMI audio/analog audio according to the video access situation).
HDMI Video Sources Input IP Ethernet Output encoder, VLC RTSP operation
Industrial-grade temperature range from -40°C to 70°C Celsius test
Support HDMI and CVBS 2 video streams at the same time
How to get the IP address of the encoder back if you forget
More FAQ
HS Code
8517629900, Some of our customers use this HS code for your reference.
Special Function Custom Development
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HDMI and CVBS Dual Video Encoding
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USB has a video recording function.
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Special handling of encoding formats to match your custom decoder board
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