Walter Dnes wrote:
>   I don't know why this is so difficult, because mplayer can handle just
> about anything.  Google searches turned up 2 commandline approaches,
> neither of which work on my system.  I want to play track 12 on an audio
> CD, but for now I'll settle for anything.  Here's option 1...
>
> ##################################################################
>
> [d531][waltdnes][~] mplayer cdda://12
> MPlayer SVN-r37373 (Gentoo)-4.8.5 (C) 2000-2015 MPlayer Team
>
> Playing cdda://12.
> No stream found to handle url cdda://12
>
> ##################################################################
>
>   That didn't work.  Option 2 finds the CD, but merely spits out a
> listing of the tracks, and exits...
>
> ##################################################################
>
> [d531][waltdnes][~] mplayer vcd://12
> MPlayer SVN-r37373 (Gentoo)-4.8.5 (C) 2000-2015 MPlayer Team
>
> Playing vcd://12.
> track 01:  adr=1  ctrl=0  format=2  00:02:00  mode: 0
> track 02:  adr=1  ctrl=0  format=2  02:15:07  mode: 0
> track 03:  adr=1  ctrl=0  format=2  04:43:35  mode: 0
> track 04:  adr=1  ctrl=0  format=2  06:58:50  mode: 0
> track 05:  adr=1  ctrl=0  format=2  08:52:48  mode: 0
> track 06:  adr=1  ctrl=0  format=2  11:02:00  mode: 0
> track 07:  adr=1  ctrl=0  format=2  13:33:00  mode: 0
> track 08:  adr=1  ctrl=0  format=2  15:50:00  mode: 0
> track 09:  adr=1  ctrl=0  format=2  17:53:55  mode: 0
> track 10:  adr=1  ctrl=0  format=2  20:07:30  mode: 0
> track 11:  adr=1  ctrl=0  format=2  22:00:17  mode: 0
> track 12:  adr=1  ctrl=0  format=2  24:30:15  mode: 0
> track 13:  adr=1  ctrl=0  format=2  26:55:43  mode: 0
> track 14:  adr=1  ctrl=0  format=2  29:13:68  mode: 0
> track 15:  adr=1  ctrl=0  format=2  31:28:66  mode: 0
> track 16:  adr=1  ctrl=0  format=2  33:20:11  mode: 0
> track 17:  adr=1  ctrl=0  format=2  35:26:31  mode: 0
> track 18:  adr=1  ctrl=0  format=2  37:32:69  mode: 0
> track 19:  adr=1  ctrl=0  format=2  40:02:31  mode: 0
> track 20:  adr=1  ctrl=0  format=2  42:05:71  mode: 0
>
> ##################################################################
>
>   Is it possible that I'm missing a necessary USE option for mplayer?
>
> [d531][waltdnes][~] emerge -pv mplayer
>
> These are the packages that would be merged, in order:
>
> Calculating dependencies... done!
> [ebuild   R    ] media-video/mplayer-1.2_pre20150214-r1::gentoo  USE="X
> alsa cdio dvd dvdnav enca encode iconv jpeg libass network osdmenu png
> shm truetype x264 xscreensaver xv -a52 -aalib (-altivec) (-aqua) -bidi
> -bl -bluray -bs2b -cddb -cdparanoia -cpudetection -debug -dga -directfb
> -doc -dts -dv -dvb -faac -faad -fbcon -ftp -ggi -gif -gsm -ipv6 -jack
> -joystick -jpeg2k -ladspa -libcaca -libmpeg2 -lirc -live -lzo -mad
> -md5sum -mng -mp3 -nas -nut -openal -opengl -oss -pnm -pulseaudio -pvr
> -radio -rar -rtc -rtmp -samba -sdl (-selinux) -speex -tga -theora
> -toolame -tremor -twolame -unicode -v4l -vdpau (-vidix) -vorbis -xanim
> -xinerama -xvid -xvmc -zoran" CPU_FLAGS_X86="mmx mmxext sse sse2 ssse3
> -3dnow -3dnowext" VIDEO_CARDS="-mga -s3virge -tdfx" 0 KiB
>


Here is some info from mine playing a regular CD, audio store bought type. 


Emerge info for USE flags:


root@fireball / # emerge -vp mplayer smplayer

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   ~] media-video/mplayer-1.2_pre20150730::gentoo  USE="X a52
alsa bidi cddb cdio dvd dvdnav enca encode faac gif iconv ipv6 jpeg
jpeg2k libass mad mng mp3 network opengl osdmenu png sdl shm truetype
unicode vorbis x264 xinerama xscreensaver xv xvid -aalib (-altivec)
(-aqua) -bl -bluray -bs2b -cdparanoia -cpudetection -debug -dga
-directfb -doc -dts -dv -dvb -faad -fbcon -ftp -ggi -gsm -jack -joystick
-ladspa -libcaca -libmpeg2 -lirc -live -lzo -md5sum -nas -nut -openal
-oss -pnm -pulseaudio -pvr -radio -rar -rtc -rtmp -samba (-selinux)
-speex -tga -theora -toolame -tremor -twolame -v4l -vdpau (-vidix)
-xanim -xvmc -zoran" CPU_FLAGS_X86="3dnow 3dnowext mmx mmxext sse sse2
-ssse3" VIDEO_CARDS="-mga -s3virge -tdfx" 0 KiB
[ebuild   R    ] media-video/smplayer-14.9.0-r1::gentoo  USE="bidi
-autoshutdown -debug" LINGUAS="en_US -ar_SY -bg -ca -cs -da -de -el_GR
-es -et -eu -fi -fr -gl -he_IL -hr -hu -it -ja -ka -ko -ku -lt -mk
-ms_MY -nl -pl -pt -pt_BR -ro_RO -ru_RU -sk -sl_SI -sr -sv -th -tr
-uk_UA -vi_VN -zh_CN -zh_TW" 0 KiB

Total: 2 packages (2 reinstalls), Size of downloads: 0 KiB
root@fireball / #


I included smplayer since I use it as a front end and it may prove
useful.  This is the command smplayer uses to play a track.  You may
have to adjust for a vcd if that is what you are using but maybe this
will shine a little light IF a option is missing or some thing. 

/usr/bin/mplayer -noquiet -nofs -nomouseinput -lavdopts threads=2
-sub-fuzziness 1 -identify -slave -vo xv -ao alsa -nokeepaspect
-autosync 100 -mc 10 -dr -double -input
nodefault-bindings:conf=/dev/null -stop-xscreensaver -wid 18874461
-monitorpixelaspect 1 -ass -embeddedfonts -ass-line-spacing 0
-ass-font-scale 1 -noflip-hebrew -ass-styles
/home/dale/.config/smplayer/styles.ass -subfont-autoscale 0
-subfont-osd-scale 20 -subfont-text-scale 20 -subcp ISO-8859-1 -subpos
100 -volume 6 -cdrom-device /dev/sr0 -cache 10048 -osdlevel 0 -vf-add pp
-autoq 6 -noslices -channels 2 -af
scaletempo,equalizer=0:0:0:0:0:0:0:0:0:0 -softvol -softvol-max 100 cdda://1



I don't have a direct solution but hope this info will help.  Maybe it
will have something that will get you able to play your music files. 

Dale

:-)  :-) 

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