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About these lines, what they meaning

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15:16:08.264 v3-build-874-arm64-play
Device: asus asus ASUS_Z01HDA WW_Z01H msm8953 "qcom" ASUS_Z01H_1 OPR1.170623.026.WW_user_80.30.76.74_20190319 [arm64-v8a, armeabi-v7a, armeabi]

FAILED to read=/system/etc/audio_policy.conf
reading=/vendor/etc/audio_policy.conf
has outputs_primary, sampling_rates=44100|48000
has direct_pcm, sampling_rates=8000|11025|16000|22050|32000|44100|48000|64000|88200|96000|176400|192000
direct_pcm AUDIO_OUTPUT_FLAG_DIRECT
has direct_pcm formats=AUDIO_FORMAT_PCM_16_BIT|AUDIO_FORMAT_PCM_24_BIT_PACKED|AUDIO_FORMAT_PCM_8_24_BIT
direct_pcm FLAG_VARIANT_DIRECT_HD
has usb
has usb outputs
has usb_device, sampling_rates=dynamic
has usb formats=dynamic
forcing FLAG_DLFCN FLAG_NEEDS_DEEP_BUFFER FLAG_NEEDS_EXTRA_SLEEPS
USB can handle Hi-Res - sdk=26
OK flags=0x874406600000000
FLAG_VARIANT_DIRECT_HD
FLAG_SUPPORTS_PCM_8_24
FLAG_SUPPORTS_PCM_24
FLAG_SUPPORTS_UNITY_GAIN_STREAM
FLAG_SUPPORTS_USB
FLAG_NEEDS_EXTRA_SLEEPS
FLAG_SUPPORTS_LDAC
FLAG_DLFCN
FLAG_NEEDS_DEEP_BUFFER
FLAG_ALLOW_DVC_EFFECT
INTERNAL_OUTPUT_FLAG_SR_192K
INTERNAL_OUTPUT_FLAG_SR_176K
INTERNAL_OUTPUT_FLAG_SR_96K
INTERNAL_OUTPUT_FLAG_SR_88K
INTERNAL_OUTPUT_FLAG_SR_48K
INTERNAL_OUTPUT_FLAG_SR_44K
 

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This is debug info which helps investigating hi-res issues or adding support for hi-res for new ROMs/devices.

Poweramp reads various system configs and environment and generates "flags" which contains all possible usable device audio features. Depending on that and few user selectable options, appropriate internal "driver" is selected. To this moment, there are about ~20 of such "drivers" in Poweramp.

Thanks!

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