Difference between revisions of "User:ClemensLadisch"

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==CMI8788 driver status==
 
==CMI8788 driver status==
  
===2007-11-20===
+
===2007-11-29===
  
 
New beta driver available:
 
New beta driver available:
http://www.alsa-project.org/~clemens/alsa-driver-20071120.tar.bz2
+
http://www.alsa-project.org/~clemens/alsa-driver-20071129.tar.bz2
 +
 
 +
To enable dmix and AC-3 passthrough, replace the files
 +
[http://www.alsa-project.org/~clemens/CMI8788.conf CMI8788.conf] and
 +
[http://www.alsa-project.org/~clemens/aliases.conf aliases.conf] in
 +
/usr/share/alsa/cards/.
 +
 
 +
Changes:
 +
*Controls for SPDIF output.
 +
 
 +
===2007-11-20===
  
 
Changes:
 
Changes:
Line 38: Line 48:
 
not yet implemented:
 
not yet implemented:
 
*front panel output
 
*front panel output
*controls for controlling SPDIF ports
 
  
 
known problems:
 
known problems:
Line 44: Line 53:
  
 
==my TODO list==
 
==my TODO list==
#CMI8788 driver<br>ca. 90%
+
#CMI8788 driver<br>ca. 98%
 
#use hrtimers in the MIDI sequencer<br>ca. 25%
 
#use hrtimers in the MIDI sequencer<br>ca. 25%
 
#usb-audio: allow shorter-than-1ms periods for high-speed devices (just remove the code that rounds periods to USB frames)<br>0%
 
#usb-audio: allow shorter-than-1ms periods for high-speed devices (just remove the code that rounds periods to USB frames)<br>0%

Revision as of 09:50, 30 November 2007

Contents

CMI8788 driver status

2007-11-29

New beta driver available: http://www.alsa-project.org/~clemens/alsa-driver-20071129.tar.bz2

To enable dmix and AC-3 passthrough, replace the files CMI8788.conf and aliases.conf in /usr/share/alsa/cards/.

Changes:

  • Controls for SPDIF output.

2007-11-20

Changes:

  • Mixer controls for all analog inputs (but Line Input bypasses the analog mixer).
  • SPDIF should now work.

2007-11-15

Changes:

  • Playback on all other cards with AK4396 DACs should now work, too.
  • The driver now initializes the AC'97 codec whose analog mixer is used to route the analog inputs to the ADC. Analog recording should work from all inputs.
  • No input controls yet, all inputs (and their noise) are mixed together.

2007-11-12

Rewritten from scratch. The driver name is now snd-oxygen or snd-virtuoso.

The second most important feature, the MIDI port, now works. (The most important feature, the colorful jack illumination on my Xonar card, is not controlled by software and has always worked.)
:-)


seems to be working on all models:

  • analog playback:
    • at 32, 44.1, 48, 64, 88.2, 96, 176.4, 192 kHz
    • 16 or 24 bits
    • 2, 4, 6, 8 channels
    • volume controls for all eight channels
    • upmixing of stereo to rear and side channels
  • analog recording

not yet implemented:

  • front panel output

known problems:

  • some garbage at the beginning of recorded data → ADC needs more time to settle after clock switch

my TODO list

  1. CMI8788 driver
    ca. 98%
  2. use hrtimers in the MIDI sequencer
    ca. 25%
  3. usb-audio: allow shorter-than-1ms periods for high-speed devices (just remove the code that rounds periods to USB frames)
    0%
  4. usb-audio: handle MIDI write errors better
  5. move non-public headers out of linux/include/sound/
  6. PCI: annotate in-memory data structures read by bus master chips with __le/be
  7. implement (some?) OSS 4 API ioctls
  8. test (i.e., use) alsa-python
  9. use dev_printk?
  10. various subsystem send different and too many MIDI reset commands when a port is closed
  11. usb-audio: restructure
  12. OSS emulation by redirecting to user space (like FUSE, but we need ioctls and mmap)
  13. MIDI synth: support more sysex commands
  14. MIDI synth: MIDI tuning
  15. ymfpci: MIDI synth
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