mpv-player / mpv-player/mpv

One Audio stream output to two HDMI support external devices and play simultaneously(Dual output)

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os:win
Dominant language
C
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Description

Is it really possible by mpv to do one audio stream output to two different external devices and play those simultaneously (Dual output)? for that which special command I have to put on mpv.conf file in order to play like that?
I could not find any command to make it work or maybe I am missing something.
Other media player support it and has Dual output option, see the screenshot bellow. It works fine

Screenshot 2023-11-19 015606

hope mpv has this option too.

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Research direction

Start by reviewing mpv.conf and the existing audio-output configuration options relevant to external devices. The issue names no source files or tests; done would mean one audio stream can play simultaneously through two different HDMI or other external outputs.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
audio-video-rtc
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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