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Reolink h265 encoding troubleshooting (#37495)
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@ -736,6 +736,10 @@ Prerequisites:
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- Reolink cameras can support a limited amount of simultaneous connections. Therefore using third-party software like Frigate, Blue Iris, or Scrypted, or using the ONVIF integration at the same time can cause the camera to drop connections. This results in short unavailabilities of the Reolink entities in Home Assistant. Especially when the connections are coming from the same device (IP) where Home Assistant is running, the Reolink cameras can get confused, dropping one connection in favor of the other originating from the same host IP. If you experience disconnections/unavailabilities of the entities, please first temporarily shut down the other connections (like Frigate) to diagnose if that is the problem. If that is indeed the problem, you could try moving the third-party software to a different host (IP address) since that is known to solve the problem most of the time. You could also try switching the protocol to FLV on Home Assistant and/or the third-party software, as that is known to be less resource-intensive on the camera.
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- If the Reolink entities go to unavailable for short periods, the camera may be overloaded with requests resulting in short connection drops. To resolve this, first, check if the integration is using `ONVIF push` instead of `ONVIF long polling` (resource intensive) or `Fast polling` (very resource intensive), see the [Reducing latency of motion events](#reducing-latency-of-motion-events) section. Moreover, try switching to the <abbr title="flash video">FLV</abbr> streaming protocol which is the least resource-intensive for the camera, see the [options](#options) section.
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### Streams or recordings not playing
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- Most Reolink cameras use h265 encoding for the high resolution recording and clear stream to save storage space and bandwidth. Playback of this h265 encoding is not supported by all browsers or apps. Therefore, the high-resolution recording and/or clear stream may not function on all your devices from which you acces Home Assistant. To see if a Reolink camera is using h264 or h265 encoding, [download the diagnostics text file](/docs/configuration/troubleshooting/#download-diagnostics) and find the `"encoding main": "h265"\"h264"` in the txt file. The low-resolution recording and fluent stream always use h264 encoding and, therefore, do not suffer from this issue.
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### Reducing latency of motion events
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TCP push and ONVIF push will result in slightly faster state changes of the binary motion/AI event sensors than ONVIF long polling.
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