atasound.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * Minor numbers for the sound driver.
- *
- * Unfortunately Creative called the codec chip of SB as a DSP. For this
- * reason the /dev/dsp is reserved for digitized audio use. There is a
- * device for true DSP processors but it will be called something else.
- * In v3.0 it's /dev/sndproc but this could be a temporary solution.
- */
- #define SND_NDEVS 256 /* Number of supported devices */
- #define SND_DEV_CTL 0 /* Control port /dev/mixer */
- #define SND_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM
- synthesizer and MIDI output) */
- #define SND_DEV_MIDIN 2 /* Raw midi access */
- #define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
- #define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
- #define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
- #define SND_DEV_STATUS 6 /* /dev/sndstat */
- /* #7 not in use now. Was in 2.4. Free for use after v3.0. */
- #define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
- #define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */
- #define SND_DEV_PSS SND_DEV_SNDPROC
- #define DSP_DEFAULT_SPEED 8000
- #define ON 1
- #define OFF 0
- #define MAX_AUDIO_DEV 5
- #define MAX_MIXER_DEV 2
- #define MAX_SYNTH_DEV 3
- #define MAX_MIDI_DEV 6
- #define MAX_TIMER_DEV 3