/**
- * \file <alsa/seq.h>
+ * \file include/seq.h
* \brief Application interface library for the ALSA driver
- * \author Jaroslav Kysela <perex@suse.cz>
+ * \author Jaroslav Kysela <perex@perex.cz>
* \author Abramo Bagnara <abramo@alsa-project.org>
* \author Takashi Iwai <tiwai@suse.de>
* \date 1998-2001
/** Sequencer handle */
typedef struct _snd_seq snd_seq_t;
-/** Allocate and initialize array on stack \internal */
-#define SND_ALLOCA(type,ptr) \
-do {\
- assert(ptr);\
- *ptr = (type##_t *)alloca(type##_sizeof());\
- memset(*ptr, 0, type##_sizeof());\
-} while (0)
-
/**
* sequencer opening stream types
*/
/** known client numbers */
#define SND_SEQ_CLIENT_SYSTEM 0 /**< system client */
-#define SND_SEQ_CLIENT_DUMMY 62 /**< dummy ports */
-#define SND_SEQ_CLIENT_OSS 63 /**< OSS sequencer emulator */
/*
*/
size_t snd_seq_system_info_sizeof(void);
/** allocate a #snd_seq_system_info_t container on stack */
#define snd_seq_system_info_alloca(ptr) \
- SND_ALLOCA(snd_seq_system_info, ptr)
+ __snd_alloca(ptr, snd_seq_system_info)
int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr);
void snd_seq_system_info_free(snd_seq_system_info_t *ptr);
void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src);
size_t snd_seq_client_info_sizeof(void);
/** allocate a #snd_seq_client_info_t container on stack */
#define snd_seq_client_info_alloca(ptr) \
- SND_ALLOCA(snd_seq_client_info, ptr)
+ __snd_alloca(ptr, snd_seq_client_info)
int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr);
void snd_seq_client_info_free(snd_seq_client_info_t *ptr);
void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src);
const char *snd_seq_client_info_get_name(snd_seq_client_info_t *info);
int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info);
int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info);
+int snd_seq_client_info_get_card(const snd_seq_client_info_t *info);
+int snd_seq_client_info_get_pid(const snd_seq_client_info_t *info);
const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info);
int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info);
int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info);
void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val);
void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter);
+void snd_seq_client_info_event_filter_clear(snd_seq_client_info_t *info);
+void snd_seq_client_info_event_filter_add(snd_seq_client_info_t *info, int event_type);
+void snd_seq_client_info_event_filter_del(snd_seq_client_info_t *info, int event_type);
+int snd_seq_client_info_event_filter_check(snd_seq_client_info_t *info, int event_type);
+
int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);
int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info);
int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);
size_t snd_seq_client_pool_sizeof(void);
/** allocate a #snd_seq_client_pool_t container on stack */
#define snd_seq_client_pool_alloca(ptr) \
- SND_ALLOCA(snd_seq_client_pool, ptr)
+ __snd_alloca(ptr, snd_seq_client_pool)
int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr);
void snd_seq_client_pool_free(snd_seq_client_pool_t *ptr);
void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src);
#define SND_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /**< allow write subscription */
#define SND_SEQ_PORT_CAP_NO_EXPORT (1<<7) /**< routing not allowed */
-/** port type */
-#define SND_SEQ_PORT_TYPE_SPECIFIC (1<<0) /**< hardware specific */
-#define SND_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /**< generic MIDI device */
-#define SND_SEQ_PORT_TYPE_MIDI_GM (1<<2) /**< General MIDI compatible device */
-#define SND_SEQ_PORT_TYPE_MIDI_GS (1<<3) /**< GS compatible device */
-#define SND_SEQ_PORT_TYPE_MIDI_XG (1<<4) /**< XG compatible device */
-#define SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /**< MT-32 compatible device */
-#define SND_SEQ_PORT_TYPE_SYNTH (1<<10) /**< Synth device */
-#define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /**< Sampling device (support sample download) */
-#define SND_SEQ_PORT_TYPE_SAMPLE (1<<12) /**< Sampling device (sample can be downloaded at any time) */
-#define SND_SEQ_PORT_TYPE_APPLICATION (1<<20) /**< application (sequencer/editor) */
+/* port type */
+/** Messages sent from/to this port have device-specific semantics. */
+#define SND_SEQ_PORT_TYPE_SPECIFIC (1<<0)
+/** This port understands MIDI messages. */
+#define SND_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1)
+/** This port is compatible with the General MIDI specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_GM (1<<2)
+/** This port is compatible with the Roland GS standard. */
+#define SND_SEQ_PORT_TYPE_MIDI_GS (1<<3)
+/** This port is compatible with the Yamaha XG specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_XG (1<<4)
+/** This port is compatible with the Roland MT-32. */
+#define SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5)
+/** This port is compatible with the General MIDI 2 specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_GM2 (1<<6)
+/** This port understands SND_SEQ_EVENT_SAMPLE_xxx messages
+ (these are not MIDI messages). */
+#define SND_SEQ_PORT_TYPE_SYNTH (1<<10)
+/** Instruments can be downloaded to this port
+ (with SND_SEQ_EVENT_INSTR_xxx messages sent directly). */
+#define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)
+/** Instruments can be downloaded to this port
+ (with SND_SEQ_EVENT_INSTR_xxx messages sent directly or through a queue). */
+#define SND_SEQ_PORT_TYPE_SAMPLE (1<<12)
+/** This port is implemented in hardware. */
+#define SND_SEQ_PORT_TYPE_HARDWARE (1<<16)
+/** This port is implemented in software. */
+#define SND_SEQ_PORT_TYPE_SOFTWARE (1<<17)
+/** Messages sent to this port will generate sounds. */
+#define SND_SEQ_PORT_TYPE_SYNTHESIZER (1<<18)
+/** This port may connect to other devices
+ (whose characteristics are not known). */
+#define SND_SEQ_PORT_TYPE_PORT (1<<19)
+/** This port belongs to an application, such as a sequencer or editor. */
+#define SND_SEQ_PORT_TYPE_APPLICATION (1<<20)
size_t snd_seq_port_info_sizeof(void);
/** allocate a #snd_seq_port_info_t container on stack */
#define snd_seq_port_info_alloca(ptr) \
- SND_ALLOCA(snd_seq_port_info, ptr)
+ __snd_alloca(ptr, snd_seq_port_info)
int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr);
void snd_seq_port_info_free(snd_seq_port_info_t *ptr);
void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src);
int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info);
int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info);
int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info);
void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client);
void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port);
void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices);
void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices);
void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val);
+void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable);
+void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int realtime);
+void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue);
int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info);
int snd_seq_delete_port(snd_seq_t *handle, int port);
size_t snd_seq_port_subscribe_sizeof(void);
/** allocate a #snd_seq_port_subscribe_t container on stack */
#define snd_seq_port_subscribe_alloca(ptr) \
- SND_ALLOCA(snd_seq_port_subscribe, ptr)
+ __snd_alloca(ptr, snd_seq_port_subscribe)
int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr);
void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *ptr);
void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src);
void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);
void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);
void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q);
-void snd_seq_port_subscribe_set_voices(snd_seq_port_subscribe_t *info, unsigned int voices);
void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val);
void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val);
void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val);
size_t snd_seq_query_subscribe_sizeof(void);
/** allocate a #snd_seq_query_subscribe_t container on stack */
#define snd_seq_query_subscribe_alloca(ptr) \
- SND_ALLOCA(snd_seq_query_subscribe, ptr)
+ __snd_alloca(ptr, snd_seq_query_subscribe)
int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr);
void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *ptr);
void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src);
void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port);
void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr);
void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type);
-void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int index);
+void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int _index);
int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs);
size_t snd_seq_queue_info_sizeof(void);
/** allocate a #snd_seq_queue_info_t container on stack */
#define snd_seq_queue_info_alloca(ptr) \
- SND_ALLOCA(snd_seq_queue_info, ptr)
+ __snd_alloca(ptr, snd_seq_queue_info)
int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr);
void snd_seq_queue_info_free(snd_seq_queue_info_t *ptr);
void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src);
size_t snd_seq_queue_status_sizeof(void);
/** allocate a #snd_seq_queue_status_t container on stack */
#define snd_seq_queue_status_alloca(ptr) \
- SND_ALLOCA(snd_seq_queue_status, ptr)
+ __snd_alloca(ptr, snd_seq_queue_status)
int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr);
void snd_seq_queue_status_free(snd_seq_queue_status_t *ptr);
void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src);
size_t snd_seq_queue_tempo_sizeof(void);
/** allocate a #snd_seq_queue_tempo_t container on stack */
#define snd_seq_queue_tempo_alloca(ptr) \
- SND_ALLOCA(snd_seq_queue_tempo, ptr)
+ __snd_alloca(ptr, snd_seq_queue_tempo)
int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr);
void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *ptr);
void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src);
size_t snd_seq_queue_timer_sizeof(void);
/** allocate a #snd_seq_queue_timer_t container on stack */
#define snd_seq_queue_timer_alloca(ptr) \
- SND_ALLOCA(snd_seq_queue_timer, ptr)
+ __snd_alloca(ptr, snd_seq_queue_timer)
int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr);
void snd_seq_queue_timer_free(snd_seq_queue_timer_t *ptr);
void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src);
* \{
*/
-snd_seq_event_t *snd_seq_create_event(void);
int snd_seq_free_event(snd_seq_event_t *ev);
ssize_t snd_seq_event_length(snd_seq_event_t *ev);
int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev);
size_t snd_seq_remove_events_sizeof(void);
/** allocate a #snd_seq_remove_events_t container on stack */
#define snd_seq_remove_events_alloca(ptr) \
- SND_ALLOCA(snd_seq_remove_events, ptr)
+ __snd_alloca(ptr, snd_seq_remove_events)
int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr);
void snd_seq_remove_events_free(snd_seq_remove_events_t *ptr);
void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src);
*/
void snd_seq_set_bit(int nr, void *array);
+void snd_seq_unset_bit(int nr, void *array);
int snd_seq_change_bit(int nr, void *array);
int snd_seq_get_bit(int nr, void *array);
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