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annotate CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/alsa/mixer_abst.h @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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jpayne@69 1 /**
jpayne@69 2 * \file include/mixer_abst.h
jpayne@69 3 * \brief Mixer abstract implementation interface library for the ALSA library
jpayne@69 4 * \author Jaroslav Kysela <perex@perex.cz>
jpayne@69 5 * \date 2005
jpayne@69 6 *
jpayne@69 7 * Mixer abstact implementation interface library for the ALSA library
jpayne@69 8 */
jpayne@69 9 /*
jpayne@69 10 * This library is free software; you can redistribute it and/or modify
jpayne@69 11 * it under the terms of the GNU Lesser General Public License as
jpayne@69 12 * published by the Free Software Foundation; either version 2.1 of
jpayne@69 13 * the License, or (at your option) any later version.
jpayne@69 14 *
jpayne@69 15 * This program is distributed in the hope that it will be useful,
jpayne@69 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
jpayne@69 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
jpayne@69 18 * GNU Lesser General Public License for more details.
jpayne@69 19 *
jpayne@69 20 * You should have received a copy of the GNU Lesser General Public
jpayne@69 21 * License along with this library; if not, write to the Free Software
jpayne@69 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
jpayne@69 23 *
jpayne@69 24 */
jpayne@69 25
jpayne@69 26 #ifndef __ALSA_MIXER_ABST_H
jpayne@69 27 #define __ALSA_MIXER_ABST_H
jpayne@69 28
jpayne@69 29 #ifdef __cplusplus
jpayne@69 30 extern "C" {
jpayne@69 31 #endif
jpayne@69 32
jpayne@69 33 /**
jpayne@69 34 * \defgroup Mixer_Abstract Mixer Abstact Module Interface
jpayne@69 35 * The mixer abstact module interface.
jpayne@69 36 * \{
jpayne@69 37 */
jpayne@69 38
jpayne@69 39 #define SM_PLAY 0
jpayne@69 40 #define SM_CAPT 1
jpayne@69 41
jpayne@69 42 #define SM_CAP_GVOLUME (1<<1)
jpayne@69 43 #define SM_CAP_GSWITCH (1<<2)
jpayne@69 44 #define SM_CAP_PVOLUME (1<<3)
jpayne@69 45 #define SM_CAP_PVOLUME_JOIN (1<<4)
jpayne@69 46 #define SM_CAP_PSWITCH (1<<5)
jpayne@69 47 #define SM_CAP_PSWITCH_JOIN (1<<6)
jpayne@69 48 #define SM_CAP_CVOLUME (1<<7)
jpayne@69 49 #define SM_CAP_CVOLUME_JOIN (1<<8)
jpayne@69 50 #define SM_CAP_CSWITCH (1<<9)
jpayne@69 51 #define SM_CAP_CSWITCH_JOIN (1<<10)
jpayne@69 52 #define SM_CAP_CSWITCH_EXCL (1<<11)
jpayne@69 53 #define SM_CAP_PENUM (1<<12)
jpayne@69 54 #define SM_CAP_CENUM (1<<13)
jpayne@69 55 /* SM_CAP_* 24-31 => private for module use */
jpayne@69 56
jpayne@69 57 #define SM_OPS_IS_ACTIVE 0
jpayne@69 58 #define SM_OPS_IS_MONO 1
jpayne@69 59 #define SM_OPS_IS_CHANNEL 2
jpayne@69 60 #define SM_OPS_IS_ENUMERATED 3
jpayne@69 61 #define SM_OPS_IS_ENUMCNT 4
jpayne@69 62
jpayne@69 63 #define sm_selem(x) ((sm_selem_t *)((x)->private_data))
jpayne@69 64 #define sm_selem_ops(x) ((sm_selem_t *)((x)->private_data))->ops
jpayne@69 65
jpayne@69 66 typedef struct _sm_selem {
jpayne@69 67 snd_mixer_selem_id_t *id;
jpayne@69 68 struct sm_elem_ops *ops;
jpayne@69 69 unsigned int caps;
jpayne@69 70 unsigned int capture_group;
jpayne@69 71 } sm_selem_t;
jpayne@69 72
jpayne@69 73 typedef struct _sm_class_basic {
jpayne@69 74 char *device;
jpayne@69 75 snd_ctl_t *ctl;
jpayne@69 76 snd_hctl_t *hctl;
jpayne@69 77 snd_ctl_card_info_t *info;
jpayne@69 78 } sm_class_basic_t;
jpayne@69 79
jpayne@69 80 struct sm_elem_ops {
jpayne@69 81 int (*is)(snd_mixer_elem_t *elem, int dir, int cmd, int val);
jpayne@69 82 int (*get_range)(snd_mixer_elem_t *elem, int dir, long *min, long *max);
jpayne@69 83 int (*set_range)(snd_mixer_elem_t *elem, int dir, long min, long max);
jpayne@69 84 int (*get_dB_range)(snd_mixer_elem_t *elem, int dir, long *min, long *max);
jpayne@69 85 int (*ask_vol_dB)(snd_mixer_elem_t *elem, int dir, long value, long *dbValue);
jpayne@69 86 int (*ask_dB_vol)(snd_mixer_elem_t *elem, int dir, long dbValue, long *value, int xdir);
jpayne@69 87 int (*get_volume)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long *value);
jpayne@69 88 int (*get_dB)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long *value);
jpayne@69 89 int (*set_volume)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long value);
jpayne@69 90 int (*set_dB)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long value, int xdir);
jpayne@69 91 int (*get_switch)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, int *value);
jpayne@69 92 int (*set_switch)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, int value);
jpayne@69 93 int (*enum_item_name)(snd_mixer_elem_t *elem, unsigned int item, size_t maxlen, char *buf);
jpayne@69 94 int (*get_enum_item)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int *itemp);
jpayne@69 95 int (*set_enum_item)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int item);
jpayne@69 96 };
jpayne@69 97
jpayne@69 98 int snd_mixer_selem_compare(const snd_mixer_elem_t *c1, const snd_mixer_elem_t *c2);
jpayne@69 99
jpayne@69 100 int snd_mixer_sbasic_info(const snd_mixer_class_t *class, sm_class_basic_t *info);
jpayne@69 101 void *snd_mixer_sbasic_get_private(const snd_mixer_class_t *class);
jpayne@69 102 void snd_mixer_sbasic_set_private(const snd_mixer_class_t *class, void *private_data);
jpayne@69 103 void snd_mixer_sbasic_set_private_free(const snd_mixer_class_t *class, void (*private_free)(snd_mixer_class_t *class));
jpayne@69 104
jpayne@69 105 /** \} */
jpayne@69 106
jpayne@69 107 #ifdef __cplusplus
jpayne@69 108 }
jpayne@69 109 #endif
jpayne@69 110
jpayne@69 111 #endif /* __ALSA_MIXER_ABST_H */
jpayne@69 112