Hi,
It does not seem that the OS software and/or Mediatek SOC allows different than 16 and 32 bits resolutions. So 24bit files need to be oversampled to 32bit I suppose. No bit perfect reproduction as of now I think. Below, the status generated by PowerAmp:
06:53:34.546 build-976-bundle-play
Device: Alldocube Alldocube iPlay50_mini_Pro iPlay50_mini_Pro tb8781p1_64 “mt8781” iPlay50_mini_Pro iPlay50_mini_Pro_V2.0_20231201 [arm64-v8a, armeabi-v7a, armeabi]
mt6789 is_mtk
FAILED to read /vendor/etc/audio_output_policy.conf
FAILED to read /vendor/etc/audio_io_policy.conf
FAILED to read /system/etc/audio_policy.conf
reading /vendor/etc/audio_policy.conf
has outputs_primary, sampling_rates=44100|48000|96000|192000
has outputs/primary formats=AUDIO_FORMAT_PCM_32_BIT|AUDIO_FORMAT_PCM_16_BIT
has primary formats=AUDIO_FORMAT_PCM_32_BIT|AUDIO_FORMAT_PCM_16_BIT
has usb
has usb outputs
has usb_device, sampling_rates=dynamic
has usb formats=dynamic
forcing FLAG_VARIANT_MTK_HIFI
USB can handle Hi-Res – sdk=33
>>>OK flags=0xd84801c00400000
FLAG_VARIANT_MTK_HIFI
FLAG_FORCE_PCM_8_24
FLAG_SUPPORTS_USB
FLAG_SUPPORTS_FLT_DYN_RANGE
FLAG_ASK_AF_SAMPLE_RATE
FLAG_ASK_AF_FORMAT
FLAG_SUPPORTS_LDAC
PA_OUTPUT_CAP_DELAYED_FORMAT
INTERNAL_OUTPUT_FLAG_SR_192K
INTERNAL_OUTPUT_FLAG_SR_96K
INTERNAL_OUTPUT_FLAG_SR_48K
INTERNAL_OUTPUT_FLAG_SR_44K
