Title: Select audio output on Android 5.1 [Print This Page] Author: kiwor Time: 3/9/2018 23:33 Title: Select audio output on Android 5.1 On the fireprime with android 5.1, when I play music or video file, the audio stream goes through both hdmi and headphone jack.
Is there a way to programmatically mute one of them ?
Author: leung先森 Time: 3/15/2018 19:33
hardware/rockchip/audio/tinyalsa_hal/audio_hw.c
start_output_stream()
control the sound card open or not in this interfaceAuthor: kiwor Time: 5/14/2018 17:57
Hi,
Thanks for your reply ! I had a look on this file but I don't really know what to do with it as I want to control my audio output from my android app.
I tried this method => https://stackoverflow.com/questi ... force-audio-routing with all the "DEVICE_OUT_" variables I have found but it does nothing.
Can you tell me more on this audio_hw.c file and what to do with it in order to control audio output from my app ?Author: kiwor Time: 5/14/2018 23:04
It's ok for me now : I just had to comment "out->device = 0x400;" line 412 and "out->device = 0x8;" line 434.
Then using the methode found on stackoverflow (link above) with DEVICE_OUT_AUX_DIGITAL controlling HDMI audio and DEVICE_OUT_WIRED_HEADPHONE the headphone jack output, it works !
Thanks for your help, leung先森Author: danisa Time: 3/13/2025 10:00
Android's audio routing is typically managed by the Escape Road 2 system, and altering it requires access to system-level configurations, which may not be accessible in standard application development. Author: harrydaily Time: 10/14/2025 15:55
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