cjuniorfox
Posts: 13
Joined: 02 Sep 2019, 20:14

Unable to play ripped audio CDs

05 Oct 2019, 16:40

I'm trying to play CD Audio images on Mega SD.
I used two methods to do it, but I got no success
First method, ripping with CDRDAO tool for Linux. Command line follows:

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cdrdao read-cd --read-raw --device /dev/sr0 --driver generic-mmc:0x20000 --driver generic-mmc:0x20000 --datafile  ./audiocd.bin ./audiocd.cue
When I load the CD image into Mega SD, the Mega CD BIOS is loaded, followed by the CD player, but no music can be played. The interface only reports zero tracks, two-second and the entire interface hangs at all. Only Mega SD menu screen works.

Copying straight from file browser using gvfs plugin to convert from CDDA to WAV and writing the cue file on my own.
In that way, the Audio CD seens to work well, but with a noisier dirt audio.

I probed the generated WAV file with ffprobe, Follows

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ffprobe Track\ 1.wav 
ffprobe version n4.2.1 Copyright (c) 2007-2019 the FFmpeg developers
  built with gcc 9.1.0 (GCC)
  configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libjack --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-version3
  
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, wav, from 'Track 1.wav':
  Metadata:
    encoder         : gvfs-cdda using libcdio 2.1.0 x86_64-pc-linux-gnu
  Duration: 00:01:11.27, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 2 channels, s16, 1411 kb/s
 
And one track from generated cue file:

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FILE "Track 1.wav" WAVE
 TRACK 2 AUDIO
 INDEX 01 00:00:00
What I doing wrong?

Thanks

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