PeppyMeter and moOde

[Tim Curtis]

Quick test on my end and I'm not experiencing any issues with m4a formats and Loopback on. Mayne my repro is missing something?

Below is from Audio info while playing the two files.

ALAC m4a

Code:

Source         USB/VFAT64/Test_mixed/Larry Goldings/As One/01 Mixed Message.m4a
Source format  ALAC 16 bit 44.1 kHz, Stereo
Decoded to     PCM 16 bit 44.1 kHz, Stereo, 711 kbps
Output format  PCM 16 bit 44.1 kHz, Stereo, 1.411 Mbps
ALSA mode      Default (plughw)
Audio chain    MPD -> plughw -> Device
Loopback       On

Volume type   Hardware (On-chip)
Device        Allo Revolution DAC
Mixer name    Revolution
Chip          ESS Sabre ES9038Q2M
Interface     USB
Formats       S16_LE, S32_LE, SPECIAL, DSD_U32_BE
Platform      Pi-4B 1.1 2GB

AAC-LC m4a

Code:

Source         USB/VFAT64/Test_mixed/Mike/2009 - iTunes Live From SoHo/01. Crazy for You (Live).m4a
Source format  M4A bit 44.1 kHz, Stereo
Decoded to     PCM 24 bit 44.1 kHz, Stereo, 249 kbps
Output format  PCM 32 bit 44.1 kHz, Stereo, 2.822 Mbps
ALSA mode      Default (plughw)
Audio chain    MPD -> plughw -> Device
Loopback       On

Volume type   Hardware (On-chip)
[size=small][font=Monaco, Consolas, Courier, monospace]Device        Allo Revolution DAC[/font][/size]
[size=small][font=Monaco, Consolas, Courier, monospace]Mixer name    Revolution[/font][/size]
[size=small][font=Monaco, Consolas, Courier, monospace]Chip          ESS Sabre ES9038Q2M[/font][/size]
[size=small][font=Monaco, Consolas, Courier, monospace]Interface     USB[/font][/size]
[size=small][font=Monaco, Consolas, Courier, monospace]Formats       S16_LE, S32_LE, SPECIAL, DSD_U32_BE[/font][/size]
Platform      Pi-4B 1.1 2GB