Almost IP surveillance cameras support RTSP video stream, that means user can use media player to watch the live video from anywhere. RTSP is the abbreviation of real time streaming protocol, it's a network control protocol designed for use in entertainment and communications systems to control streaming media servers. The protocol is used for establishing and controlling media sessions between end points. This article describes how to play RTSP video stream of IP cameras on VLC player, QuickTime player, and a mobile phone with popular IP camera viewer App.
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VLC player and QuickTime player are free media players that support cross-platforms (Windows OS, Mac OS), these two media players have capability to play most multimedia files and various streaming protocols.
Users can use VLC player and QuickTime player to watch live video/image, also view the information of codec detail for MJPEG/MPEG4/H.264 which supports RTSP protocol.
Additionally, user also can find smartphone App which supports RTSP protocol. Using the Smartphone App, user can watch live video streams easily through smartphone from anywhere, anytime.
#1 Download & Install VLC Player / QuickTime Player
Both media players are free to download, install and use. You can go to the media player official websites to download the latest version software, then install in your computer.
- VLC player : Download and install VLC Player from http://www.videolan.org/vlc/
- QuickTime player : Download and install QuickTime Player from http://support.apple.com/downloads/#quicktime
- IP camera viewer apps which support RTSP streams
#2 RTSP URL Setting
Before using the RTSP protocol, you need to know your IP camera's RTSP URL setting. The URL is an IP address with port and authorization information (user name + password). All available RTSP URL formats for IP cameras are listed in table below. Please select the suitable one according to model of camera under testing, with “IP Camera address” being replaced by your dedicated IP address number. If you can't find port information, the default RTSP port number is 554.
Camera Model | RTSP URL |
NCR870/NDF820/NDF821/NDF831/NDR891/NDF8 20PRO/NDF821PRO/NDF831PRO/NDR891PRO/NC B855PRO/NCR875PRO/NCC800/NCB858/NCR878 | rtsp://IP Camera address:8557/h264 for Primary stream rtsp://IP Camera address:554/mpeg4 for Primary stream rtsp://IP Camera address:8555/mjpeg for Primary stream rtsp://IP Camera address:8556/h264 for Secondary stream rtsp://IP Camera address:8554/mpeg4 for Secondary stream rtsp://IP Camera address:8558/mjpeg for Third stream |
NDR720/NCB750/NCR770/NDR721/NDR722/NCB 752/NCR772/NIC990/SPD970/PTZ900/NCB358/N CB355/NCR368/NCR365/NOD398/NOD395/NOD3 85/NID338/NID335/NID325/NID321/UFD305/UF D301 | rtsp://IP Camera address/stream1 for stream1 rtsp://IP Camera address/stream2 for stream2 rtsp://IP Camera address/stream3 for stream3 |
NCC700/NDZ760 | rtsp://IP Camera address:554/h264/quad/media.amp rtsp://IP Camera address:554/mjpeg/quad/media.amp |
3# How to play RTSP stream with VLC Player
1. Check current stream and codec setting by IE browser
Setup > Image > Codec
Go to Codec page. Check codec setting on available streams.
Go to Codec page. Check codec setting on available streams.
2. Check RTSP port setting
Setup > Network > RTSP
Go to RTSP page. Check RTSP port numbers on camera for dedicated stream.
Go to RTSP page. Check RTSP port numbers on camera for dedicated stream.
The Default RTSP port number of each camera model can be found in the User Manual.
3. Open Network Stream
Open VLC player and select “Open Network Stream” from the Media menu.
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4. Enter a network URL
Type the network URL in the dialog box below, and then click Play to play the video with RTSP stream. Refer to Sec. RTSP URL Setting above for URL setting format for Messoa IP cameras.
5. Watch Live Stream
After click 'Play', you will see the RTSP live video stream on VLC player.
4# How to play RTSP stream with QuickTime Player
1. Check codec, stream & RTSP port numbers.
Follow steps 1 & 2 in section “How to play RTSP stream with VLC Player” above to check the codec, stream and port numbers.
2. Open QuickTime Preferences
Edit→Preferences→QuickTime Preferences
Open QuickTime player and select “QuickTime Preferences” from the Edit menu.
3. Set Safe Mode
Go to Advanced page. Click “Safe Mode” and “OK” for normal video display.
4. Open URL
File→Open URL
Select “Open URL” from the File menu.
5. Enter URL
Type the network URL in the dialog box below, and then click OK to play the video with RTSP stream.
Refer to Sec. RTSP URL Setting above for URL setting format for IP cameras.
6. View Live Stream
You will see the RTSP live video stream on QuickTime player now.
5# How to play RTSP stream with IP camera viewer apps
1. Download and run app on your smart phone
2. Enter URL
Please refer to Sec. RTSP URL Setting above for URL setting format for Messao IP cameras.
3. Enter Messoa camera’s account/password. The default is admin/1234
4. After that, the app can get RTSP video stream from Messoa IP camera.
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Pixel binning is the process of combining the electric charge from adjacent CMOS or CCD sensor pixels into one super-pixel, to reduce noise by increasing the signal-to-noise ratio in digital cameras.
![Professional Professional](https://images-na.ssl-images-amazon.com/images/I/71xHi2Ssz2L._AC_SX679_.jpg)
Typically, the binning happens on groups of four pixels that form a quad (see image) but some sensors can merge a block of up to 4×4 pixels (16 pixels) instead of 2×2 (4 pixels). By doing this, the sensor is increasing the relative sensitivity by 4 (signal to noise ratio), but also reducing the (spacial) resolution by 4. The combined pixels are sometimes called “super-pixels.”
Image credit: Basler
Sensors can also perform 2×1 binning (Horizontal binning) or 1×2 binning (Vertical binning), but these binning patterns are not being used in consumer camera application.
What is the purpose of binning?
The reason for being of binning is to increase the signal-to-noise ratio (SNR or noise reduction), a key metric in analog applications (such as image sensing). In modern camera, this is particularly useful to obtain higher brightness in extreme low-light conditions.
Note that some sensors do average binning, rather than additive binning. It is a different way of getting a better signal to noise ratio, so both techniques lead to a similar goal. It’s not always clear which is the best, and it depends on the context.
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With less noise from the analog data, the image can be subjected to higher levels of gains/amplifications during the post-processing phase. This will also offer an opportunity to obtain higher quality low-light images.
Olympus has an interactive binning widget you can look at.
Photo credit: research from Xiaodan Jin and Keigo Hirakawa. Noise reduction from pixel binning
A reference photo that shows how my eyes perceived the darkness of the scene
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Where does camera noise come from?
Binning dramatically helps reduce noise, but where does noise come from to start with? Mainly 3 possible sources:
- Shot noise
- light captured by the sensor and converted to electron charges
- Read noise
- when we read the sensor’s data while converting from analog to digital
- Thermal noise
- electrons released by the sensor itself. Longer exposures create more heat
In general, Read Noise is negligible, so it’s not a real factor for consumer applications. Thermal noise is not an issue for regular photo ops, and we’ve never seen it become an issue even when recording video. Therefore the Shot Noise is the main issue that binning is designed to address.
If you want to learn more, there’s a fascinating discussion on the SharpCap Forums. For a very deep dive, you can read The Microscopy by Mortimer Abramowitz and Michael W. Davidson (PDF link), jump to page 375.
Optical equipment maker Hamamatsu has a slightly more detailed explanation , while industrial camera maker Basler has a bit more information about Horizontal and Vertical binning.
DPReview Forum user “smorgasbord” talk about some common misperception about binning in compact cameras while Military-applications company Adimec shows hows the math of binning work with a simple schematic.
Xiaodan Jin and Keigo Hirakawa have an in-depth paper titled “Analysis and processing of pixel binning for color image sensor” in which they go over several binning techniques and show the outcome.
Does it work?
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Yes, as the research suggests, Pixel Binning (aka 4-in-1 pixel as some OEMs call it) does have some tangible benefits. However, it depends how it is implemented. For example, the LG G7 which is using pixel binning on a 16 MP sensor, ends up with 4 MP photos, which feature less details than alternative solutions (a large sensor and aperture). Read our full LG G7 Camera Review.
The Huawei P20 Pro opts for an extremely large sensor (for a phone) and a 40MP pixel resolution, so when binning is used, the final photo resolution is 10 MP, which is a much better trade-off than 4MP. Read our Full Huawei P20 Pro Camera Review.
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In theory, Pixel binning is a great solution to have high megapixel count in bright photo conditions, and great low-light sensitivity. In reality, it does bring some benefits, but not a crushing blow to those that don’t use it. What we know, is that more mobile cameras will include this technique in their photo toolbox.
Filed in . Read more about Cameras and Cmos Sensor.