-/****************************************************************************
- * *
- * control.h *
- * Control Interface *
- * *
- ****************************************************************************/
+/**
+ * \file include/control.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * 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_CONTROL_H
+#define __ALSA_CONTROL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
/**
* \defgroup Control Control Interface
* The control interface.
+ * See \ref control page for more details.
* \{
*/
-typedef struct sndrv_aes_iec958 snd_aes_iec958_t;
+/** dlsym version for interface entry callback */
+#define SND_CONTROL_DLSYM_VERSION _dlsym_control_001
+
+/** IEC958 structure */
+typedef struct snd_aes_iec958 {
+ unsigned char status[24]; /**< AES/IEC958 channel status bits */
+ unsigned char subcode[147]; /**< AES/IEC958 subcode bits */
+ unsigned char pad; /**< nothing */
+ unsigned char dig_subframe[4]; /**< AES/IEC958 subframe bits */
+} snd_aes_iec958_t;
/** CTL card info container */
typedef struct _snd_ctl_card_info snd_ctl_card_info_t;
-/** CTL element identificator container */
+/** CTL element identifier container */
typedef struct _snd_ctl_elem_id snd_ctl_elem_id_t;
-/** CTL element identificator list container */
+/** CTL element identifier list container */
typedef struct _snd_ctl_elem_list snd_ctl_elem_list_t;
/** CTL element info container */
/** CTL event container */
typedef struct _snd_ctl_event snd_ctl_event_t;
-/** Card type */
-typedef enum _snd_card_type {
- /** Gravis UltraSound Classic */
- SND_CARD_TYPE_GUS_CLASSIC = SNDRV_CARD_TYPE_GUS_CLASSIC,
- /** Gravis UltraSound Extreme */
- SND_CARD_TYPE_GUS_EXTREME = SNDRV_CARD_TYPE_GUS_EXTREME,
- /** Gravis UltraSound ACE */
- SND_CARD_TYPE_GUS_ACE = SNDRV_CARD_TYPE_GUS_ACE,
- /** Gravis UltraSound Max */
- SND_CARD_TYPE_GUS_MAX = SNDRV_CARD_TYPE_GUS_MAX,
- /** AMD InterWave */
- SND_CARD_TYPE_AMD_INTERWAVE = SNDRV_CARD_TYPE_AMD_INTERWAVE,
- /** SoundBlaster v1.0 */
- SND_CARD_TYPE_SB_10 = SNDRV_CARD_TYPE_SB_10,
- /** SoundBlaster v2.0 */
- SND_CARD_TYPE_SB_20 = SNDRV_CARD_TYPE_SB_20,
- /** SoundBlaster Pro */
- SND_CARD_TYPE_SB_PRO = SNDRV_CARD_TYPE_SB_PRO,
- /** SoundBlaster 16 */
- SND_CARD_TYPE_SB_16 = SNDRV_CARD_TYPE_SB_16,
- /** SoundBlaster AWE */
- SND_CARD_TYPE_SB_AWE = SNDRV_CARD_TYPE_SB_AWE,
- /** ESS ES1688 */
- SND_CARD_TYPE_ESS_ES1688 = SNDRV_CARD_TYPE_ESS_ES1688,
- /** Yamaha OPL3 SA2/3 */
- SND_CARD_TYPE_OPL3_SA2 = SNDRV_CARD_TYPE_OPL3_SA2,
- /** Mozart */
- SND_CARD_TYPE_MOZART = SNDRV_CARD_TYPE_MOZART,
- /** S3 SonicVibes */
- SND_CARD_TYPE_S3_SONICVIBES = SNDRV_CARD_TYPE_S3_SONICVIBES,
- /** Ensoniq AudioPCI ES1370 */
- SND_CARD_TYPE_ENS1370 = SNDRV_CARD_TYPE_ENS1370,
- /** Ensoniq AudioPCI ES1371 / Creative CT5880 */
- SND_CARD_TYPE_ENS1371 = SNDRV_CARD_TYPE_ENS1371,
- /** Cirrus Logic CS4232 */
- SND_CARD_TYPE_CS4232 = SNDRV_CARD_TYPE_CS4232,
- /** Cirrus Logic CS4236+ */
- SND_CARD_TYPE_CS4236 = SNDRV_CARD_TYPE_CS4236,
- /** AMD InterWave + TEA6330T */
- SND_CARD_TYPE_AMD_INTERWAVE_STB = SNDRV_CARD_TYPE_AMD_INTERWAVE_STB,
- /** ESS ES1938 */
- SND_CARD_TYPE_ESS_ES1938 = SNDRV_CARD_TYPE_ESS_ES1938,
- /** ESS ES18XX */
- SND_CARD_TYPE_ESS_ES18XX = SNDRV_CARD_TYPE_ESS_ES18XX,
- /** Cirus Logic CS4231 */
- SND_CARD_TYPE_CS4231 = SNDRV_CARD_TYPE_CS4231,
- /** Opti92x */
- SND_CARD_TYPE_OPTI92X = SNDRV_CARD_TYPE_OPTI92X,
- /** Serial MIDI */
- SND_CARD_TYPE_SERIAL = SNDRV_CARD_TYPE_SERIAL,
- /** Analog Devices AD1848 */
- SND_CARD_TYPE_AD1848 = SNDRV_CARD_TYPE_AD1848,
- /** Trident 4D-Wave DX */
- SND_CARD_TYPE_TRID4DWAVEDX = SNDRV_CARD_TYPE_TRID4DWAVEDX,
- /** Trident 4D-Wave NX */
- SND_CARD_TYPE_TRID4DWAVENX = SNDRV_CARD_TYPE_TRID4DWAVENX,
- /** Sound Galaxy */
- SND_CARD_TYPE_SGALAXY = SNDRV_CARD_TYPE_SGALAXY,
- /** Cirrus Logic CS46xx */
- SND_CARD_TYPE_CS46XX = SNDRV_CARD_TYPE_CS46XX,
- /** WaveFront */
- SND_CARD_TYPE_WAVEFRONT = SNDRV_CARD_TYPE_WAVEFRONT,
- /** Turtle Beach Tropez */
- SND_CARD_TYPE_TROPEZ = SNDRV_CARD_TYPE_TROPEZ,
- /** Turtle Beach Tropez+ */
- SND_CARD_TYPE_TROPEZPLUS = SNDRV_CARD_TYPE_TROPEZPLUS,
- /** Turtle Beach Maui */
- SND_CARD_TYPE_MAUI = SNDRV_CARD_TYPE_MAUI,
- /** CMI8330 */
- SND_CARD_TYPE_CMI8330 = SNDRV_CARD_TYPE_CMI8330,
- /** Dummy (/dev/null) soundcard */
- SND_CARD_TYPE_DUMMY = SNDRV_CARD_TYPE_DUMMY,
- /** Avance Logic ALS100 */
- SND_CARD_TYPE_ALS100 = SNDRV_CARD_TYPE_ALS100,
- /** Obsolete */
- SND_CARD_TYPE_SHARE = SNDRV_CARD_TYPE_SHARE,
- /** SiS SI7018 */
- SND_CARD_TYPE_SI_7018 = SNDRV_CARD_TYPE_SI_7018,
- /** Opti93x */
- SND_CARD_TYPE_OPTI93X = SNDRV_CARD_TYPE_OPTI93X,
- /** MidiTimePiece AV multiport MIDI */
- SND_CARD_TYPE_MTPAV = SNDRV_CARD_TYPE_MTPAV,
- /** Virtual MIDI */
- SND_CARD_TYPE_VIRMIDI = SNDRV_CARD_TYPE_VIRMIDI,
- /** EMU10K1 (SB Live, Emu APS) */
- SND_CARD_TYPE_EMU10K1 = SNDRV_CARD_TYPE_EMU10K1,
- /** RME Hammerfall */
- SND_CARD_TYPE_HAMMERFALL = SNDRV_CARD_TYPE_HAMMERFALL,
- /** RME Hammerfall light */
- SND_CARD_TYPE_HAMMERFALL_LIGHT = SNDRV_CARD_TYPE_HAMMERFALL_LIGHT,
- /** ICE1712 (Envy24) */
- SND_CARD_TYPE_ICE1712 = SNDRV_CARD_TYPE_ICE1712,
- /** CMI8338 */
- SND_CARD_TYPE_CMI8338 = SNDRV_CARD_TYPE_CMI8338,
- /** CMI8738 */
- SND_CARD_TYPE_CMI8738 = SNDRV_CARD_TYPE_CMI8738,
- /** Analog Device AD1816A */
- SND_CARD_TYPE_AD1816A = SNDRV_CARD_TYPE_AD1816A,
- /** Intel i8x0 */
- SND_CARD_TYPE_INTEL8X0 = SNDRV_CARD_TYPE_INTEL8X0,
- /** ESS Maestro 1 (old) */
- SND_CARD_TYPE_ESS_ESOLDM1 = SNDRV_CARD_TYPE_ESS_ESOLDM1,
- /** ESS Maestro 2 */
- SND_CARD_TYPE_ESS_ES1968 = SNDRV_CARD_TYPE_ESS_ES1968,
- /** ESS Maestro 2E */
- SND_CARD_TYPE_ESS_ES1978 = SNDRV_CARD_TYPE_ESS_ES1978,
- /** RME Digi96 */
- SND_CARD_TYPE_DIGI96 = SNDRV_CARD_TYPE_DIGI96,
- /** VIA SouthBridge 686A/686B */
- SND_CARD_TYPE_VIA82C686A = SNDRV_CARD_TYPE_VIA82C686A,
- /** Forte Media FM801 */
- SND_CARD_TYPE_FM801 = SNDRV_CARD_TYPE_FM801,
- /** Aztech AZT2320 */
- SND_CARD_TYPE_AZT2320 = SNDRV_CARD_TYPE_AZT2320,
- /** Prodif Plus */
- SND_CARD_TYPE_PRODIF_PLUS = SNDRV_CARD_TYPE_PRODIF_PLUS,
- /** Yamaha PCI */
- SND_CARD_TYPE_YMFPCI = SNDRV_CARD_TYPE_YMFPCI,
- /** Cirrus Logic CS4281 */
- SND_CARD_TYPE_CS4281 = SNDRV_CARD_TYPE_CS4281,
- /** Generic MPU401 UART */
- SND_CARD_TYPE_MPU401_UART = SNDRV_CARD_TYPE_MPU401_UART,
- /** Avance Logic ALS4000 */
- SND_CARD_TYPE_ALS4000 = SNDRV_CARD_TYPE_ALS4000,
- /** ESS Allegro 1 */
- SND_CARD_TYPE_ALLEGRO_1 = SNDRV_CARD_TYPE_ALLEGRO_1,
- /** ESS Allegro */
- SND_CARD_TYPE_ALLEGRO = SNDRV_CARD_TYPE_ALLEGRO,
- /** ESS Maestro 3 */
- SND_CARD_TYPE_MAESTRO3 = SNDRV_CARD_TYPE_MAESTRO3,
- /** AWACS */
- SND_CARD_TYPE_AWACS = SNDRV_CARD_TYPE_AWACS,
- /** NeoMagic NM256AV */
- SND_CARD_TYPE_NM256AV = SNDRV_CARD_TYPE_NM256AV,
- /** NeoMagic NM256ZX */
- SND_CARD_TYPE_NM256ZX = SNDRV_CARD_TYPE_NM256ZX,
- /** VIA VT8233 bridge */
- SND_CARD_TYPE_VIA8233 = SNDRV_CARD_TYPE_VIA8233,
- SND_CARD_TYPE_LAST = SNDRV_CARD_TYPE_LAST,
-} snd_card_type_t;
-
/** CTL element type */
typedef enum _snd_ctl_elem_type {
/** Invalid type */
- SND_CTL_ELEM_TYPE_NONE = SNDRV_CTL_ELEM_TYPE_NONE,
+ SND_CTL_ELEM_TYPE_NONE = 0,
/** Boolean contents */
- SND_CTL_ELEM_TYPE_BOOLEAN = SNDRV_CTL_ELEM_TYPE_BOOLEAN,
+ SND_CTL_ELEM_TYPE_BOOLEAN,
/** Integer contents */
- SND_CTL_ELEM_TYPE_INTEGER = SNDRV_CTL_ELEM_TYPE_INTEGER,
+ SND_CTL_ELEM_TYPE_INTEGER,
/** Enumerated contents */
- SND_CTL_ELEM_TYPE_ENUMERATED = SNDRV_CTL_ELEM_TYPE_ENUMERATED,
+ SND_CTL_ELEM_TYPE_ENUMERATED,
/** Bytes contents */
- SND_CTL_ELEM_TYPE_BYTES = SNDRV_CTL_ELEM_TYPE_BYTES,
+ SND_CTL_ELEM_TYPE_BYTES,
/** IEC958 (S/PDIF) setting content */
- SND_CTL_ELEM_TYPE_IEC958 = SNDRV_CTL_ELEM_TYPE_IEC958,
- SND_CTL_ELEM_TYPE_LAST = SNDRV_CTL_ELEM_TYPE_LAST,
+ SND_CTL_ELEM_TYPE_IEC958,
+ /** 64-bit integer contents */
+ SND_CTL_ELEM_TYPE_INTEGER64,
+ SND_CTL_ELEM_TYPE_LAST = SND_CTL_ELEM_TYPE_INTEGER64
} snd_ctl_elem_type_t;
/** CTL related interface */
typedef enum _snd_ctl_elem_iface {
/** Card level */
- SND_CTL_ELEM_IFACE_CARD = SNDRV_CTL_ELEM_IFACE_CARD,
+ SND_CTL_ELEM_IFACE_CARD = 0,
/** Hardware dependent device */
- SND_CTL_ELEM_IFACE_HWDEP = SNDRV_CTL_ELEM_IFACE_HWDEP,
+ SND_CTL_ELEM_IFACE_HWDEP,
/** Mixer */
- SND_CTL_ELEM_IFACE_MIXER = SNDRV_CTL_ELEM_IFACE_MIXER,
+ SND_CTL_ELEM_IFACE_MIXER,
/** PCM */
- SND_CTL_ELEM_IFACE_PCM = SNDRV_CTL_ELEM_IFACE_PCM,
+ SND_CTL_ELEM_IFACE_PCM,
/** RawMidi */
- SND_CTL_ELEM_IFACE_RAWMIDI = SNDRV_CTL_ELEM_IFACE_RAWMIDI,
+ SND_CTL_ELEM_IFACE_RAWMIDI,
/** Timer */
- SND_CTL_ELEM_IFACE_TIMER = SNDRV_CTL_ELEM_IFACE_TIMER,
+ SND_CTL_ELEM_IFACE_TIMER,
/** Sequencer */
- SND_CTL_ELEM_IFACE_SEQUENCER = SNDRV_CTL_ELEM_IFACE_SEQUENCER,
- SND_CTL_ELEM_IFACE_LAST = SNDRV_CTL_ELEM_IFACE_LAST,
+ SND_CTL_ELEM_IFACE_SEQUENCER,
+ SND_CTL_ELEM_IFACE_LAST = SND_CTL_ELEM_IFACE_SEQUENCER
} snd_ctl_elem_iface_t;
/** Event class */
typedef enum _snd_ctl_event_type {
/** Elements related event */
- SND_CTL_EVENT_ELEM = SNDRV_CTL_EVENT_ELEM,
- SND_CTL_EVENT_LAST = SNDRV_CTL_EVENT_LAST,
+ SND_CTL_EVENT_ELEM = 0,
+ SND_CTL_EVENT_LAST = SND_CTL_EVENT_ELEM
}snd_ctl_event_type_t;
/** Element has been removed (Warning: test this first and if set don't
- * test the other masks) \hideinitializer */
-#define SND_CTL_EVENT_MASK_REMOVE SNDRV_CTL_EVENT_MASK_REMOVE
-/** Element has been added \hideinitializer */
-#define SND_CTL_EVENT_MASK_ADD SNDRV_CTL_EVENT_MASK_ADD
-/** Element info has been changed \hideinitializer */
-#define SND_CTL_EVENT_MASK_INFO SNDRV_CTL_EVENT_MASK_INFO
+ * test the other masks) \hideinitializer */
+#define SND_CTL_EVENT_MASK_REMOVE (~0U)
/** Element value has been changed \hideinitializer */
-#define SND_CTL_EVENT_MASK_VALUE SNDRV_CTL_EVENT_MASK_VALUE
-
-#define SND_CTL_NAME_IEC958 SNDRV_CTL_NAME_IEC958
+#define SND_CTL_EVENT_MASK_VALUE (1<<0)
+/** Element info has been changed \hideinitializer */
+#define SND_CTL_EVENT_MASK_INFO (1<<1)
+/** Element has been added \hideinitializer */
+#define SND_CTL_EVENT_MASK_ADD (1<<2)
+/** Element's TLV value has been changed \hideinitializer */
+#define SND_CTL_EVENT_MASK_TLV (1<<3)
+
+/** CTL name helper */
+#define SND_CTL_NAME_NONE ""
+/** CTL name helper */
+#define SND_CTL_NAME_PLAYBACK "Playback "
+/** CTL name helper */
+#define SND_CTL_NAME_CAPTURE "Capture "
+
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_NONE ""
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_SWITCH "Switch"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_VOLUME "Volume"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_DEFAULT "Default"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_MASK "Mask"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_CON_MASK "Con Mask"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
+/** Element name for IEC958 (S/PDIF) */
+#define SND_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SND_CTL_NAME_##direction SND_CTL_NAME_IEC958_##what
+
+/** Mask for the major Power State identifier */
+#define SND_CTL_POWER_MASK 0xff00
+/** ACPI/PCI Power State D0 */
+#define SND_CTL_POWER_D0 0x0000
+/** ACPI/PCI Power State D1 */
+#define SND_CTL_POWER_D1 0x0100
+/** ACPI/PCI Power State D2 */
+#define SND_CTL_POWER_D2 0x0200
+/** ACPI/PCI Power State D3 */
+#define SND_CTL_POWER_D3 0x0300
+/** ACPI/PCI Power State D3hot */
+#define SND_CTL_POWER_D3hot (SND_CTL_POWER_D3|0x0000)
+/** ACPI/PCI Power State D3cold */
+#define SND_CTL_POWER_D3cold (SND_CTL_POWER_D3|0x0001)
+
+/** TLV type - Container */
+#define SND_CTL_TLVT_CONTAINER 0x0000
+/** TLV type - basic dB scale */
+#define SND_CTL_TLVT_DB_SCALE 0x0001
+/** TLV type - linear volume */
+#define SND_CTL_TLVT_DB_LINEAR 0x0002
+/** TLV type - dB range container */
+#define SND_CTL_TLVT_DB_RANGE 0x0003
+/** TLV type - dB scale specified by min/max values */
+#define SND_CTL_TLVT_DB_MINMAX 0x0004
+/** TLV type - dB scale specified by min/max values (with mute) */
+#define SND_CTL_TLVT_DB_MINMAX_MUTE 0x0005
+
+/** Mute state */
+#define SND_CTL_TLV_DB_GAIN_MUTE -9999999
+
+/** TLV type - fixed channel map positions */
+#define SND_CTL_TLVT_CHMAP_FIXED 0x00101
+/** TLV type - freely swappable channel map positions */
+#define SND_CTL_TLVT_CHMAP_VAR 0x00102
+/** TLV type - pair-wise swappable channel map positions */
+#define SND_CTL_TLVT_CHMAP_PAIRED 0x00103
/** CTL type */
typedef enum _snd_ctl_type {
/** Shared memory client CTL */
SND_CTL_TYPE_SHM,
/** INET client CTL (not yet implemented) */
- SND_CTL_TYPE_INET
+ SND_CTL_TYPE_INET,
+ /** External control plugin */
+ SND_CTL_TYPE_EXT
} snd_ctl_type_t;
-/** Non blocking mode \hideinitializer */
+/** Non blocking mode (flag for open mode) \hideinitializer */
#define SND_CTL_NONBLOCK 0x0001
-/** Async notification \hideinitializer */
+/** Async notification (flag for open mode) \hideinitializer */
#define SND_CTL_ASYNC 0x0002
+/** Read only (flag for open mode) \hideinitializer */
+#define SND_CTL_READONLY 0x0004
+
/** CTL handle */
typedef struct _snd_ctl snd_ctl_t;
/** SCTL type */
typedef struct _snd_sctl snd_sctl_t;
-#ifdef __cplusplus
-extern "C" {
-#endif
-
int snd_card_load(int card);
int snd_card_next(int *card);
int snd_card_get_index(const char *name);
int snd_card_get_name(int card, char **name);
int snd_card_get_longname(int card, char **name);
-int snd_card_type_string_to_enum(const char *strid, snd_card_type_t *enumid);
-int snd_card_type_enum_to_string(snd_card_type_t enumid, char **strid);
-
-int snd_sctl_build(snd_sctl_t **ctl, snd_ctl_t *handle, snd_config_t *config,
- snd_config_string_replace_callback_t *callback,
- void *private_data, int mode);
-int snd_sctl_free(snd_sctl_t *handle);
-int snd_sctl_install(snd_sctl_t *handle);
-int snd_sctl_remove(snd_sctl_t *handle);
+int snd_device_name_hint(int card, const char *iface, void ***hints);
+int snd_device_name_free_hint(void **hints);
+char *snd_device_name_get_hint(const void *hint, const char *id);
int snd_ctl_open(snd_ctl_t **ctl, const char *name, int mode);
+int snd_ctl_open_lconf(snd_ctl_t **ctl, const char *name, int mode, snd_config_t *lconf);
+int snd_ctl_open_fallback(snd_ctl_t **ctl, snd_config_t *root, const char *name, const char *orig_name, int mode);
int snd_ctl_close(snd_ctl_t *ctl);
int snd_ctl_nonblock(snd_ctl_t *ctl, int nonblock);
-int snd_ctl_async(snd_ctl_t *ctl, int sig, pid_t pid);
+static __inline__ int snd_ctl_abort(snd_ctl_t *ctl) { return snd_ctl_nonblock(ctl, 2); }
+int snd_async_add_ctl_handler(snd_async_handler_t **handler, snd_ctl_t *ctl,
+ snd_async_callback_t callback, void *private_data);
+snd_ctl_t *snd_async_handler_get_ctl(snd_async_handler_t *handler);
int snd_ctl_poll_descriptors_count(snd_ctl_t *ctl);
int snd_ctl_poll_descriptors(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int space);
+int snd_ctl_poll_descriptors_revents(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
int snd_ctl_subscribe_events(snd_ctl_t *ctl, int subscribe);
int snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info);
-int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t * list);
+int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t *list);
int snd_ctl_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info);
int snd_ctl_elem_read(snd_ctl_t *ctl, snd_ctl_elem_value_t *value);
int snd_ctl_elem_write(snd_ctl_t *ctl, snd_ctl_elem_value_t *value);
int snd_ctl_elem_lock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
int snd_ctl_elem_unlock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
+int snd_ctl_elem_tlv_read(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ unsigned int *tlv, unsigned int tlv_size);
+int snd_ctl_elem_tlv_write(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ const unsigned int *tlv);
+int snd_ctl_elem_tlv_command(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ const unsigned int *tlv);
+#ifdef __ALSA_HWDEP_H
int snd_ctl_hwdep_next_device(snd_ctl_t *ctl, int * device);
int snd_ctl_hwdep_info(snd_ctl_t *ctl, snd_hwdep_info_t * info);
+#endif
+#ifdef __ALSA_PCM_H
int snd_ctl_pcm_next_device(snd_ctl_t *ctl, int *device);
int snd_ctl_pcm_info(snd_ctl_t *ctl, snd_pcm_info_t * info);
int snd_ctl_pcm_prefer_subdevice(snd_ctl_t *ctl, int subdev);
+#endif
+#ifdef __ALSA_RAWMIDI_H
int snd_ctl_rawmidi_next_device(snd_ctl_t *ctl, int * device);
int snd_ctl_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info);
int snd_ctl_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev);
+#endif
+int snd_ctl_set_power_state(snd_ctl_t *ctl, unsigned int state);
+int snd_ctl_get_power_state(snd_ctl_t *ctl, unsigned int *state);
int snd_ctl_read(snd_ctl_t *ctl, snd_ctl_event_t *event);
int snd_ctl_wait(snd_ctl_t *ctl, int timeout);
const char *snd_ctl_name(snd_ctl_t *ctl);
snd_ctl_type_t snd_ctl_type(snd_ctl_t *ctl);
-void snd_ctl_elem_set_bytes(snd_ctl_elem_value_t *obj, void *data, size_t size);
const char *snd_ctl_elem_type_name(snd_ctl_elem_type_t type);
const char *snd_ctl_elem_iface_name(snd_ctl_elem_iface_t iface);
const char *snd_ctl_event_type_name(snd_ctl_event_type_t type);
int snd_ctl_elem_list_alloc_space(snd_ctl_elem_list_t *obj, unsigned int entries);
void snd_ctl_elem_list_free_space(snd_ctl_elem_list_t *obj);
+char *snd_ctl_ascii_elem_id_get(snd_ctl_elem_id_t *id);
+int snd_ctl_ascii_elem_id_parse(snd_ctl_elem_id_t *dst, const char *str);
+int snd_ctl_ascii_value_parse(snd_ctl_t *handle,
+ snd_ctl_elem_value_t *dst,
+ snd_ctl_elem_info_t *info,
+ const char *value);
+
size_t snd_ctl_elem_id_sizeof(void);
/** \hideinitializer
* \brief allocate an invalid #snd_ctl_elem_id_t using standard alloca
* \param ptr returned pointer
*/
-#define snd_ctl_elem_id_alloca(ptr) do { assert(ptr); *ptr = (snd_ctl_elem_id_t *) alloca(snd_ctl_elem_id_sizeof()); memset(*ptr, 0, snd_ctl_elem_id_sizeof()); } while (0)
+#define snd_ctl_elem_id_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_id)
int snd_ctl_elem_id_malloc(snd_ctl_elem_id_t **ptr);
void snd_ctl_elem_id_free(snd_ctl_elem_id_t *obj);
+void snd_ctl_elem_id_clear(snd_ctl_elem_id_t *obj);
void snd_ctl_elem_id_copy(snd_ctl_elem_id_t *dst, const snd_ctl_elem_id_t *src);
unsigned int snd_ctl_elem_id_get_numid(const snd_ctl_elem_id_t *obj);
snd_ctl_elem_iface_t snd_ctl_elem_id_get_interface(const snd_ctl_elem_id_t *obj);
* \brief allocate an invalid #snd_ctl_card_info_t using standard alloca
* \param ptr returned pointer
*/
-#define snd_ctl_card_info_alloca(ptr) do { assert(ptr); *ptr = (snd_ctl_card_info_t *) alloca(snd_ctl_card_info_sizeof()); memset(*ptr, 0, snd_ctl_card_info_sizeof()); } while (0)
+#define snd_ctl_card_info_alloca(ptr) __snd_alloca(ptr, snd_ctl_card_info)
int snd_ctl_card_info_malloc(snd_ctl_card_info_t **ptr);
void snd_ctl_card_info_free(snd_ctl_card_info_t *obj);
+void snd_ctl_card_info_clear(snd_ctl_card_info_t *obj);
void snd_ctl_card_info_copy(snd_ctl_card_info_t *dst, const snd_ctl_card_info_t *src);
int snd_ctl_card_info_get_card(const snd_ctl_card_info_t *obj);
-snd_card_type_t snd_ctl_card_info_get_type(const snd_ctl_card_info_t *obj);
const char *snd_ctl_card_info_get_id(const snd_ctl_card_info_t *obj);
-const char *snd_ctl_card_info_get_abbreviation(const snd_ctl_card_info_t *obj);
+const char *snd_ctl_card_info_get_driver(const snd_ctl_card_info_t *obj);
const char *snd_ctl_card_info_get_name(const snd_ctl_card_info_t *obj);
const char *snd_ctl_card_info_get_longname(const snd_ctl_card_info_t *obj);
-const char *snd_ctl_card_info_get_mixerid(const snd_ctl_card_info_t *obj);
const char *snd_ctl_card_info_get_mixername(const snd_ctl_card_info_t *obj);
+const char *snd_ctl_card_info_get_components(const snd_ctl_card_info_t *obj);
size_t snd_ctl_event_sizeof(void);
/** \hideinitializer
* \brief allocate an invalid #snd_ctl_event_t using standard alloca
* \param ptr returned pointer
*/
-#define snd_ctl_event_alloca(ptr) do { assert(ptr); *ptr = (snd_ctl_event_t *) alloca(snd_ctl_event_sizeof()); memset(*ptr, 0, snd_ctl_event_sizeof()); } while (0)
+#define snd_ctl_event_alloca(ptr) __snd_alloca(ptr, snd_ctl_event)
int snd_ctl_event_malloc(snd_ctl_event_t **ptr);
void snd_ctl_event_free(snd_ctl_event_t *obj);
+void snd_ctl_event_clear(snd_ctl_event_t *obj);
void snd_ctl_event_copy(snd_ctl_event_t *dst, const snd_ctl_event_t *src);
snd_ctl_event_type_t snd_ctl_event_get_type(const snd_ctl_event_t *obj);
* \brief allocate an invalid #snd_ctl_elem_list_t using standard alloca
* \param ptr returned pointer
*/
-#define snd_ctl_elem_list_alloca(ptr) do { assert(ptr); *ptr = (snd_ctl_elem_list_t *) alloca(snd_ctl_elem_list_sizeof()); memset(*ptr, 0, snd_ctl_elem_list_sizeof()); } while (0)
+#define snd_ctl_elem_list_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_list)
int snd_ctl_elem_list_malloc(snd_ctl_elem_list_t **ptr);
void snd_ctl_elem_list_free(snd_ctl_elem_list_t *obj);
+void snd_ctl_elem_list_clear(snd_ctl_elem_list_t *obj);
void snd_ctl_elem_list_copy(snd_ctl_elem_list_t *dst, const snd_ctl_elem_list_t *src);
void snd_ctl_elem_list_set_offset(snd_ctl_elem_list_t *obj, unsigned int val);
unsigned int snd_ctl_elem_list_get_used(const snd_ctl_elem_list_t *obj);
* \brief allocate an invalid #snd_ctl_elem_info_t using standard alloca
* \param ptr returned pointer
*/
-#define snd_ctl_elem_info_alloca(ptr) do { assert(ptr); *ptr = (snd_ctl_elem_info_t *) alloca(snd_ctl_elem_info_sizeof()); memset(*ptr, 0, snd_ctl_elem_info_sizeof()); } while (0)
+#define snd_ctl_elem_info_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_info)
int snd_ctl_elem_info_malloc(snd_ctl_elem_info_t **ptr);
void snd_ctl_elem_info_free(snd_ctl_elem_info_t *obj);
+void snd_ctl_elem_info_clear(snd_ctl_elem_info_t *obj);
void snd_ctl_elem_info_copy(snd_ctl_elem_info_t *dst, const snd_ctl_elem_info_t *src);
snd_ctl_elem_type_t snd_ctl_elem_info_get_type(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_readable(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_volatile(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_inactive(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_locked(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_tlv_readable(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_tlv_writable(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_tlv_commandable(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_owner(const snd_ctl_elem_info_t *obj);
-int snd_ctl_elem_info_is_indirect(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_user(const snd_ctl_elem_info_t *obj);
pid_t snd_ctl_elem_info_get_owner(const snd_ctl_elem_info_t *obj);
unsigned int snd_ctl_elem_info_get_count(const snd_ctl_elem_info_t *obj);
long snd_ctl_elem_info_get_min(const snd_ctl_elem_info_t *obj);
long snd_ctl_elem_info_get_max(const snd_ctl_elem_info_t *obj);
long snd_ctl_elem_info_get_step(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_min64(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_max64(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_step64(const snd_ctl_elem_info_t *obj);
unsigned int snd_ctl_elem_info_get_items(const snd_ctl_elem_info_t *obj);
void snd_ctl_elem_info_set_item(snd_ctl_elem_info_t *obj, unsigned int val);
const char *snd_ctl_elem_info_get_item_name(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_get_dimensions(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_get_dimension(const snd_ctl_elem_info_t *obj, unsigned int idx);
void snd_ctl_elem_info_get_id(const snd_ctl_elem_info_t *obj, snd_ctl_elem_id_t *ptr);
unsigned int snd_ctl_elem_info_get_numid(const snd_ctl_elem_info_t *obj);
snd_ctl_elem_iface_t snd_ctl_elem_info_get_interface(const snd_ctl_elem_info_t *obj);
void snd_ctl_elem_info_set_name(snd_ctl_elem_info_t *obj, const char *val);
void snd_ctl_elem_info_set_index(snd_ctl_elem_info_t *obj, unsigned int val);
+int snd_ctl_elem_add_integer(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, long imin, long imax, long istep);
+int snd_ctl_elem_add_integer64(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, long long imin, long long imax, long long istep);
+int snd_ctl_elem_add_boolean(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count);
+int snd_ctl_elem_add_enumerated(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, unsigned int items, const char *const names[]);
+int snd_ctl_elem_add_iec958(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id);
+int snd_ctl_elem_remove(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
+
size_t snd_ctl_elem_value_sizeof(void);
/** \hideinitializer
* \brief allocate an invalid #snd_ctl_elem_value_t using standard alloca
* \param ptr returned pointer
*/
-#define snd_ctl_elem_value_alloca(ptr) do { assert(ptr); *ptr = (snd_ctl_elem_value_t *) alloca(snd_ctl_elem_value_sizeof()); memset(*ptr, 0, snd_ctl_elem_value_sizeof()); } while (0)
+#define snd_ctl_elem_value_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_value)
int snd_ctl_elem_value_malloc(snd_ctl_elem_value_t **ptr);
void snd_ctl_elem_value_free(snd_ctl_elem_value_t *obj);
+void snd_ctl_elem_value_clear(snd_ctl_elem_value_t *obj);
void snd_ctl_elem_value_copy(snd_ctl_elem_value_t *dst, const snd_ctl_elem_value_t *src);
+int snd_ctl_elem_value_compare(snd_ctl_elem_value_t *left, const snd_ctl_elem_value_t *right);
void snd_ctl_elem_value_get_id(const snd_ctl_elem_value_t *obj, snd_ctl_elem_id_t *ptr);
unsigned int snd_ctl_elem_value_get_numid(const snd_ctl_elem_value_t *obj);
snd_ctl_elem_iface_t snd_ctl_elem_value_get_interface(const snd_ctl_elem_value_t *obj);
void snd_ctl_elem_value_set_index(snd_ctl_elem_value_t *obj, unsigned int val);
int snd_ctl_elem_value_get_boolean(const snd_ctl_elem_value_t *obj, unsigned int idx);
long snd_ctl_elem_value_get_integer(const snd_ctl_elem_value_t *obj, unsigned int idx);
+long long snd_ctl_elem_value_get_integer64(const snd_ctl_elem_value_t *obj, unsigned int idx);
unsigned int snd_ctl_elem_value_get_enumerated(const snd_ctl_elem_value_t *obj, unsigned int idx);
unsigned char snd_ctl_elem_value_get_byte(const snd_ctl_elem_value_t *obj, unsigned int idx);
void snd_ctl_elem_value_set_boolean(snd_ctl_elem_value_t *obj, unsigned int idx, long val);
void snd_ctl_elem_value_set_integer(snd_ctl_elem_value_t *obj, unsigned int idx, long val);
+void snd_ctl_elem_value_set_integer64(snd_ctl_elem_value_t *obj, unsigned int idx, long long val);
void snd_ctl_elem_value_set_enumerated(snd_ctl_elem_value_t *obj, unsigned int idx, unsigned int val);
void snd_ctl_elem_value_set_byte(snd_ctl_elem_value_t *obj, unsigned int idx, unsigned char val);
+void snd_ctl_elem_set_bytes(snd_ctl_elem_value_t *obj, void *data, size_t size);
const void * snd_ctl_elem_value_get_bytes(const snd_ctl_elem_value_t *obj);
void snd_ctl_elem_value_get_iec958(const snd_ctl_elem_value_t *obj, snd_aes_iec958_t *ptr);
void snd_ctl_elem_value_set_iec958(snd_ctl_elem_value_t *obj, const snd_aes_iec958_t *ptr);
-#ifdef __cplusplus
-}
-#endif
+int snd_tlv_parse_dB_info(unsigned int *tlv, unsigned int tlv_size,
+ unsigned int **db_tlvp);
+int snd_tlv_get_dB_range(unsigned int *tlv, long rangemin, long rangemax,
+ long *min, long *max);
+int snd_tlv_convert_to_dB(unsigned int *tlv, long rangemin, long rangemax,
+ long volume, long *db_gain);
+int snd_tlv_convert_from_dB(unsigned int *tlv, long rangemin, long rangemax,
+ long db_gain, long *value, int xdir);
+int snd_ctl_get_dB_range(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long *min, long *max);
+int snd_ctl_convert_to_dB(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long volume, long *db_gain);
+int snd_ctl_convert_from_dB(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long db_gain, long *value, int xdir);
/**
- * \defgroup HControl Highlevel Control Interface
+ * \defgroup HControl High level Control Interface
* \ingroup Control
- * The highlevel control interface.
+ * The high level control interface.
+ * See \ref hcontrol page for more details.
* \{
*/
/** HCTL handle */
typedef struct _snd_hctl snd_hctl_t;
-#ifdef __cplusplus
-extern "C" {
-#endif
-
/**
* \brief Compare function for sorting HCTL elements
* \param e1 First element
unsigned int mask);
int snd_hctl_open(snd_hctl_t **hctl, const char *name, int mode);
+int snd_hctl_open_ctl(snd_hctl_t **hctlp, snd_ctl_t *ctl);
int snd_hctl_close(snd_hctl_t *hctl);
int snd_hctl_nonblock(snd_hctl_t *hctl, int nonblock);
-int snd_hctl_async(snd_hctl_t *hctl, int sig, pid_t pid);
+static __inline__ int snd_hctl_abort(snd_hctl_t *hctl) { return snd_hctl_nonblock(hctl, 2); }
int snd_hctl_poll_descriptors_count(snd_hctl_t *hctl);
int snd_hctl_poll_descriptors(snd_hctl_t *hctl, struct pollfd *pfds, unsigned int space);
+int snd_hctl_poll_descriptors_revents(snd_hctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
unsigned int snd_hctl_get_count(snd_hctl_t *hctl);
int snd_hctl_set_compare(snd_hctl_t *hctl, snd_hctl_compare_t hsort);
snd_hctl_elem_t *snd_hctl_first_elem(snd_hctl_t *hctl);
int snd_hctl_free(snd_hctl_t *hctl);
int snd_hctl_handle_events(snd_hctl_t *hctl);
const char *snd_hctl_name(snd_hctl_t *hctl);
-snd_ctl_type_t snd_hctl_type(snd_hctl_t *hctl);
int snd_hctl_wait(snd_hctl_t *hctl, int timeout);
+snd_ctl_t *snd_hctl_ctl(snd_hctl_t *hctl);
snd_hctl_elem_t *snd_hctl_elem_next(snd_hctl_elem_t *elem);
snd_hctl_elem_t *snd_hctl_elem_prev(snd_hctl_elem_t *elem);
int snd_hctl_elem_info(snd_hctl_elem_t *elem, snd_ctl_elem_info_t * info);
int snd_hctl_elem_read(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value);
int snd_hctl_elem_write(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value);
+int snd_hctl_elem_tlv_read(snd_hctl_elem_t *elem, unsigned int *tlv, unsigned int tlv_size);
+int snd_hctl_elem_tlv_write(snd_hctl_elem_t *elem, const unsigned int *tlv);
+int snd_hctl_elem_tlv_command(snd_hctl_elem_t *elem, const unsigned int *tlv);
snd_hctl_t *snd_hctl_elem_get_hctl(snd_hctl_elem_t *elem);
void * snd_hctl_elem_get_callback_private(const snd_hctl_elem_t *obj);
void snd_hctl_elem_set_callback_private(snd_hctl_elem_t *obj, void * val);
-#ifdef __cplusplus
-}
-#endif
+/** \} */
/** \} */
+
+/**
+ * \defgroup SControl Setup Control Interface
+ * \ingroup Control
+ * The setup control interface - set or modify control elements from a configuration file.
+ * \{
+ */
+
+int snd_sctl_build(snd_sctl_t **ctl, snd_ctl_t *handle, snd_config_t *config,
+ snd_config_t *private_data, int mode);
+int snd_sctl_free(snd_sctl_t *handle);
+int snd_sctl_install(snd_sctl_t *handle);
+int snd_sctl_remove(snd_sctl_t *handle);
+
/** \} */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_CONTROL_H */