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This uses the messaging API to initiate a codec switch.
While a particular codec might be applicable only for a particular
profile, for eg. aptX can only be applicable for A2DP sink or source
and not for let's say HSP, the codec switching logic has not been
tied to the logic for switching profiles.
Codec can be switched by running the following on the command line.
pacmd send-message /card/bluez_card.XX_XX_XX_XX_XX_XX/bluez switch-codec{"ldac_hq"}
pacmd send-message /card/bluez_card.XX_XX_XX_XX_XX_XX/bluez switch-codec {"ldac_mq"}
pacmd send-message /card/bluez_card.XX_XX_XX_XX_XX_XX/bluez switch-codec {"ldac_sq"}
pacmd send-message /card/bluez_card.XX_XX_XX_XX_XX_XX/bluez switch-codec {"aptx_hd"}
pacmd send-message /card/bluez_card.XX_XX_XX_XX_XX_XX/bluez switch-codec {"aptx"}
pacmd send-message /card/bluez_card.XX_XX_XX_XX_XX_XX/bluez switch-codec {"sbc"}
Codec name passed above is matched against pa_a2dp_codec->name. Note that
the match is case sensitive. XX_XX_XX_XX_XX_XX needs to be substituted with
the actual bluetooth device id.
Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/440>
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| pulse | ||
| pulsecore | ||
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| utils | ||
| .gitignore | ||
| depmod.py | ||
| Makefile.am | ||
| meson.build | ||