Chapter 20 . Playing Music and Video 513 (Web design software)
Chapter 20 . Playing Music and Video 513 . Grip (grip) While Grip is primarily used as a CD ripper, it can also play CDs. Select Multimedia.Grip (or type grip in a Terminal window). It includes tools for gathering data from and submitting data to CD databases. It also includes tools for copying (ripping) CD tracks and converting them to different formats (encoding). Naturally, the grip package must be installed to use this command. . CDPlay (cdp) If you don t have access to the desktop, you can use the textbased cdp command. This player lets you use keyboard keys to play your CD, select tracks, go forward or back, or eject. The cdp or cdplay package, depending on your Linux distribution, must be installed to use this command. . X Multimedia System (xmms) The XMMS player plays a variety of audio formats but can also play directly from a CD. If you try some of these CD players and your CD-ROM drive is not working, see the sidebar Troubleshooting Your CD-ROM for further information. Note Troubleshooting Your CD-ROM If you are unable to play CDs on your CD-ROM drive, here are a few things you can check to correct the problem: . Verify that your sound card is installed and working properly. . Verify that the CD-ROM drive was detected when you booted Linux. If your CD-ROM drive is an IDE drive, type dmesg | grep ^hd. You should see messages about your CD-ROM that resemble hdc: CD-ROM CDU701, ATAPI CDROM drive or hdc: ATAPI 14X CD-ROM drive, 128kB Cache. . If you see no indication of a CD-ROM drive, verify that the power supply and cables to the CD-ROM are connected. To make sure that the hardware is working, you can also boot to DOS and try to access the CD. . Try inserting a software CD-ROM. If you are running the GNOME or KDE desktop, a desktop icon should appear indicating that the CD mounted by itself. If no such icon appears, go to a Terminal window, and, as the root user, type mount /dev/cdrom. Then change to the /mnt/cdrom or /dev/media directory and list the contents using the command cd /mnt/cdrom; ls. This tells you if the CD-ROM is accessible. . If you get the CD-ROM working but it fails with the message CDROM device: Permission denied when you try to play music as a non root user, the problem may be that /dev/cdrom (which is typically a link to the actual hardware device) is not readable by anyone but root. Type ls -l /dev/cdrom to see what the device is linked to. Then (as the root user), if, for example, the CD device were /dev/hdc, type chmod 644 /dev/hdc to enable all users to read your CD-ROM and to enable the root user to write to it. One warning: If others use your computer, they will be able to read any CD you place in this drive.
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