MQA decoder
I have some music encoded as FLAC encapsulated MQA files from a high-res online music dealer. The metadata of this file says (read out with ffmpeg):
ENCODER : MQAEncode v1.1, 2.2.0+485 (0b66124), F8EC1703-7616-45E5-B81E-D60821434062, Oct 24 2016 23:01:32
GRID : A10302B0003533923W
ICPN : 093624917601
MQAENCODER : MQAEncode v1.1, 2.2.0+485 (0b66124), F8EC1703-7616-45E5-B81E-D60821434062, Oct 24 2016 23:01:32
ORIGINALSAMPLERATE: 96000
TOTALTRACKS : 16
REPLAYGAIN_REFERENCE_LOUDNESS: 89.0 dB
REPLAYGAIN_TRACK_GAIN: -6.96 dB
REPLAYGAIN_TRACK_PEAK: 0.99999952
REPLAYGAIN_ALBUM_GAIN: -7.89 dB
REPLAYGAIN_ALBUM_PEAK: 1.00000000
Duration: 00:05:43.52, start: 0.000000, bitrate: 1722 kb/s
Stream [#0](https://code.videolan.org/videolan/vlc/-/issues/0):0: Audio: flac, 48000 Hz, stereo, s32 (24 bit)
Side data:
replaygain: track gain - -6.960000, track peak - 0.000023, album gain - -7.890000, album peak - 0.000023,
Stream [#0](https://code.videolan.org/videolan/vlc/-/issues/0):1: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 600x600 [SAR 72:72 DAR 1:1], 90k tbr, 90k tbn, 90k tbc
As you can see the original sample rate is 96000 Hz. If I open this file in VLC (vlc-3.0.0-20170217-0336-git) it only played the FLAC 48000 Hz version, so it doesn't properly detect/decode the MQA stream.
Type: Audio Codec: FLAC (Free Lossless Audio Codec) (flac) Channels: Stereo Sample Rate: 48000 Hz Bit per sample: 32