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hardware:tronsmart_pavo_m9 [2017/03/23 10:58] – andi | hardware:tronsmart_pavo_m9 [2017/12/04 22:57] (current) – andi | ||
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= Tronsmart Pavo M9 | = Tronsmart Pavo M9 | ||
Also known as " | Also known as " | ||
+ | |||
+ | This seems to be out of production, but some vendors might still sell them. See [[hardware: | ||
* Vendor website [[http:// | * Vendor website [[http:// | ||
+ | * Teardown [[https:// | ||
- | FIXME The HDMI slots in the image are labeled wrong: The left one is an input the right one an output. | + | The left HDMI port is an input and the right one an output. |
{{: | {{: | ||
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Its most important feature is the HDMI input which can be used to capture / stream / scale an HDMI signal | Its most important feature is the HDMI input which can be used to capture / stream / scale an HDMI signal | ||
- | == Operation as a frame rate converter | + | == As a frame rate converter |
In 2016/2017 we changed the default [[: | In 2016/2017 we changed the default [[: | ||
- | To have this reboot save, one have to install an autostart app to run the HDMI app after boot. The autostart app is available in the aptoide store – which comes with the default firmware. | + | To have this reboot save, one have to install an autostart app to run the " |
- | * [[https:// | + | * [[https:// |
- | == Operation as a stream source | + | == As a ethernet |
=== ZidoStreamer | === ZidoStreamer | ||
The ZidoStreamer app allows to stream the HDMI input via Ethernet / wifi to a stream sink | The ZidoStreamer app allows to stream the HDMI input via Ethernet / wifi to a stream sink | ||
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* [[https:// | * [[https:// | ||
- | To be able to use ZidoStreamer an ffmpeg binary compiled for the ARM CPU needs to be placed ''/ | + | To be able to use ZidoStreamer, an ffmpeg binary compiled for the ARM CPU needs to be placed |
- | Such an binary can be found e.g. [[https:// | + | Such a binary can be found e.g. [[https:// |
- | ==== scripts | + | ==== Scripts |
- | Here are some example command lines for ffmpeg that we use | + | Here are some example command lines for ffmpeg that we use: |
- | < | + | |
+ | ===== on android box | ||
+ | |||
+ | stream to ngnix on encoder box | ||
+ | < | ||
/ | / | ||
</ | </ | ||
- | ZidoStreamer | + | ZidoStreamer |
+ | |||
+ | |||
+ | |||
+ | ====== on encoder cube | ||
+ | |||
+ | cd / | ||
+ | wget https:// | ||
+ | |||
- | RTMP stream to voctomix: | + | ======= ffmpeg variant |
- | < | + | RTMP stream to voctomix |
+ | < | ||
#!/bin/sh | #!/bin/sh | ||
confdir=" | confdir=" | ||
Line 71: | Line 88: | ||
tcp:// | tcp:// | ||
</ | </ | ||
- | Dieses Skript hat den Vorteil, dass Audio, was über die HDMI Verbindung geschickt wird im voctomix | + | This script has the advantage of making audio from the HDMI stream available to voctomix, so that audio and video are in sync. This is particularly useful when the lecturer plays a video with a lot of spoken text. This audio source can then be selected in voctomix. |
- | Oder alternativ mit gstreamer: | + | |
- | < | + | ======= gstreamer variant |
+ | |||
+ | Alternative version using gstreamer: | ||
+ | < | ||
#!/bin/sh | #!/bin/sh | ||
confdir=" | confdir=" | ||
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tcpclientsink host=localhost port=10002 | tcpclientsink host=localhost port=10002 | ||
</ | </ | ||
+ | |||
+ | == Bild Rot/ | ||
+ | |||
+ | Wir haben öfters das Problem beobachtet, dass die Bildausgabe des Tronsmart am HDMI-In einer Decklink MiniRecorder komplett Dunkelrot, Dunkelgrün oder komplett Schwarz ist, obwohl der Tronsmart nachweißlich auf die korrekte Auflösung eingestellt ist und am Beamer oder Fernseher korrekt funktioniert. Das Problem kann durch zwischenschalten des HDMI-to-SDI-Wandlers und grabben der Slides vom SDI-In der MiniRecorder behoben werden. | ||
+ | |||
+ | Tests zeigten, dass manchmal das Tauschen des HDMI-Kabels hilft, manchmal aber auch nicht. Auch das Tauschen des Tronsmarts hilft nicht immer. Diese Beobachtungen legen nahe, dass das Problem nicht alleine am Kabel noch am Tronsmart und vmtl. auch nicht an der Karte liegt. Warscheinlicher ist eine Kombination der Faktoren mit Umgebungs-RF, | ||
+ | |||
+ | --Mazdermind, | ||