mad-user December 2003

mad-user@lists.mars.org

5 participants
5 discussions

Decode directories, how to?
by jrx＠telia.com 02 Jan '04

02 Jan '04

Hi list, I would like to decode a whole directory in a bunch. Probably I have to use some kind of ordinary *nix command (I'm from the other side), but I can't figure it out, and I can't find any description of this presumably easy matter in man madplay Thanks in advance. jrx

4 4

Decode an old mp3, originally recorded in June-50
by jrx＠telia.com 31 Dec '03

31 Dec '03

Hi, maybe OT. I have tried to decode an old mp3 with various settings to wav with mad, and the decoding seems to work fine. But when I try to burn the wav with k3b, k3b says "wrong format". madplay -v -i -m --output=wave gives "Layer III, 64 kbps, 22050 Hz, single channel, no CRC, 7095 frames decoded, -7.4 dB peak amplitude, 0 clipped samples" Does anybody have any suggestions about what options I should choose when decoding. I would like to have it in wav. Or maybe I should look in my k3b settings for this particular file..? Best regards /jrx

2 1

Problem with 24 bit output on M-Audio Revolution 7.1
by Jason Clouse 21 Dec '03

21 Dec '03

Greetings! I just got hold of an M-Audio Revolution 7.1 and decided to start playing around with it. I've got the latest CVS of ALSA and AlsaPlayer installed and I can successfully get sound of the card. I'm having some trouble, however. I read that the Revolution has a pure 24/192 signal path from start to finish, and that madplay can take advantage of this. I tried running madplay with the '--bit-depth=24' option but it told me that the card couldn't handle 24 bit output, and that it was dropping back to 16. Did I miss something? Jason Clouse

2 2

Madlib Slow?
by Tomas 15 Dec '03

15 Dec '03

Hi! I have compiled the madlib and tried to decode MPEG2 frames on a armv4 chip (AT91RM9200) with processor clock ~180 MHz but it seems too slow. I need to decode a MPEG2 (layerII) frame (say 224kHz) each 24 ms. I have cross-compiled the madlib with the following configuration CC=arm-elf-gcc RANLIB=arm-elf-ranlib LD=arm-elf-ld AR=arm-elf-ar ../mad- 0.14.2b/configure --enable-speed --enable-fpm=arm --disable-nls --disable- mmap --disable-debugging --host=arm-elf arm-elf Correct configuration to enable speed or can I try something else? Is any body sucessfully running this on this processor or similar? /Tomas

1 0

Questions about how to build a ARM based madplay
by Kzhang 10 Dec '03

10 Dec '03

Hi All, I download both of mad-0.14.2b and madplay-0.15.0b, and I try to build a ARM based player, but I met problem to change gcc to arm-linux-gcc with ./configure command. I work on a ReHat 9.0 PC as host, and use arm cross compiler 2.95.3 toolchain. Please give me some tips how to build it, I very appreciate for your help. Thanks. Keji Zhang kzhang(a)neomagic.com

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mad-user December 2003