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Diffstat (limited to 'thirdparty/linuxbsd_headers/alsa/mixer_abst.h')
| -rw-r--r-- | thirdparty/linuxbsd_headers/alsa/mixer_abst.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/thirdparty/linuxbsd_headers/alsa/mixer_abst.h b/thirdparty/linuxbsd_headers/alsa/mixer_abst.h new file mode 100644 index 0000000000..7844b19101 --- /dev/null +++ b/thirdparty/linuxbsd_headers/alsa/mixer_abst.h @@ -0,0 +1,112 @@ +/** + * \file include/mixer_abst.h + * \brief Mixer abstract implementation interface library for the ALSA library + * \author Jaroslav Kysela <perex@perex.cz> + * \date 2005 + * + * Mixer abstact implementation interface library for the ALSA library + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_MIXER_ABST_H +#define __ALSA_MIXER_ABST_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Mixer_Abstract Mixer Abstact Module Interface + * The mixer abstact module interface. + * \{ + */ + +#define SM_PLAY 0 +#define SM_CAPT 1 + +#define SM_CAP_GVOLUME (1<<1) +#define SM_CAP_GSWITCH (1<<2) +#define SM_CAP_PVOLUME (1<<3) +#define SM_CAP_PVOLUME_JOIN (1<<4) +#define SM_CAP_PSWITCH (1<<5) +#define SM_CAP_PSWITCH_JOIN (1<<6) +#define SM_CAP_CVOLUME (1<<7) +#define SM_CAP_CVOLUME_JOIN (1<<8) +#define SM_CAP_CSWITCH (1<<9) +#define SM_CAP_CSWITCH_JOIN (1<<10) +#define SM_CAP_CSWITCH_EXCL (1<<11) +#define SM_CAP_PENUM (1<<12) +#define SM_CAP_CENUM (1<<13) +/* SM_CAP_* 24-31 => private for module use */ + +#define SM_OPS_IS_ACTIVE 0 +#define SM_OPS_IS_MONO 1 +#define SM_OPS_IS_CHANNEL 2 +#define SM_OPS_IS_ENUMERATED 3 +#define SM_OPS_IS_ENUMCNT 4 + +#define sm_selem(x) ((sm_selem_t *)((x)->private_data)) +#define sm_selem_ops(x) ((sm_selem_t *)((x)->private_data))->ops + +typedef struct _sm_selem { + snd_mixer_selem_id_t *id; + struct sm_elem_ops *ops; + unsigned int caps; + unsigned int capture_group; +} sm_selem_t; + +typedef struct _sm_class_basic { + char *device; + snd_ctl_t *ctl; + snd_hctl_t *hctl; + snd_ctl_card_info_t *info; +} sm_class_basic_t; + +struct sm_elem_ops { + int (*is)(snd_mixer_elem_t *elem, int dir, int cmd, int val); + int (*get_range)(snd_mixer_elem_t *elem, int dir, long *min, long *max); + int (*set_range)(snd_mixer_elem_t *elem, int dir, long min, long max); + int (*get_dB_range)(snd_mixer_elem_t *elem, int dir, long *min, long *max); + int (*ask_vol_dB)(snd_mixer_elem_t *elem, int dir, long value, long *dbValue); + int (*ask_dB_vol)(snd_mixer_elem_t *elem, int dir, long dbValue, long *value, int xdir); + int (*get_volume)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long *value); + int (*get_dB)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long *value); + int (*set_volume)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long value); + int (*set_dB)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long value, int xdir); + int (*get_switch)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, int *value); + int (*set_switch)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, int value); + int (*enum_item_name)(snd_mixer_elem_t *elem, unsigned int item, size_t maxlen, char *buf); + int (*get_enum_item)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int *itemp); + int (*set_enum_item)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int item); +}; + +int snd_mixer_selem_compare(const snd_mixer_elem_t *c1, const snd_mixer_elem_t *c2); + +int snd_mixer_sbasic_info(const snd_mixer_class_t *class, sm_class_basic_t *info); +void *snd_mixer_sbasic_get_private(const snd_mixer_class_t *class); +void snd_mixer_sbasic_set_private(const snd_mixer_class_t *class, void *private_data); +void snd_mixer_sbasic_set_private_free(const snd_mixer_class_t *class, void (*private_free)(snd_mixer_class_t *class)); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_MIXER_ABST_H */ + |