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Changed data type of alsa-lib handles from 'void *' to the specific type for

Browse source 
the handle in use. This should be more type-safe as the compiler will perform
checking on type now.
This commit is contained in:
Frank van de Pol 1999-06-02 00:40:30 +00:00
parent 9679707a00
commit 19811bb9b4
15 changed files with 417 additions and 404 deletions
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62
include/control.h
View file

@ -16,6 +16,8 @@ typedef struct snd_ctl_callbacks {
extern "C" {
#endif
typedef struct snd_ctl snd_ctl_t;
int snd_card_load(int card);
int snd_cards(void);
unsigned int snd_cards_mask(void);
@ -29,36 +31,36 @@ int snd_defaults_pcm_device(void);
int snd_defaults_rawmidi_card(void);
int snd_defaults_rawmidi_device(void);
int snd_ctl_open(void **handle, int card);
int snd_ctl_close(void *handle);
int snd_ctl_file_descriptor(void *handle);
int snd_ctl_hw_info(void *handle, struct snd_ctl_hw_info *info);
int snd_ctl_switch_list(void *handle, snd_switch_list_t * list);
int snd_ctl_switch_read(void *handle, snd_switch_t * sw);
int snd_ctl_switch_write(void *handle, snd_switch_t * sw);
int snd_ctl_pcm_info(void *handle, int dev, snd_pcm_info_t * info);
int snd_ctl_pcm_playback_info(void *handle, int dev, snd_pcm_playback_info_t * info);
int snd_ctl_pcm_record_info(void *handle, int dev, snd_pcm_record_info_t * info);
int snd_ctl_pcm_playback_switch_list(void *handle, int dev, snd_switch_list_t * list);
int snd_ctl_pcm_playback_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_playback_switch_write(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_record_switch_list(void *handle, int dev, snd_switch_list_t * list);
int snd_ctl_pcm_record_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_record_switch_write(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_mixer_info(void *handle, int dev, snd_mixer_info_t * info);
int snd_ctl_mixer_switch_list(void *handle, int dev, snd_switch_list_t *list);
int snd_ctl_mixer_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_mixer_switch_write(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_info(void *handle, int dev, snd_rawmidi_info_t * info);
int snd_ctl_rawmidi_output_info(void *handle, int dev, snd_rawmidi_output_info_t * info);
int snd_ctl_rawmidi_input_info(void *handle, int dev, snd_rawmidi_input_info_t * info);
int snd_ctl_rawmidi_output_switch_list(void *handle, int dev, snd_switch_list_t *list);
int snd_ctl_rawmidi_output_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_output_switch_write(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_input_switch_list(void *handle, int dev, snd_switch_list_t *list);
int snd_ctl_rawmidi_input_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_input_switch_write(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_read(void *handle, snd_ctl_callbacks_t * callbacks);
int snd_ctl_open(snd_ctl_t **handle, int card);
int snd_ctl_close(snd_ctl_t *handle);
int snd_ctl_file_descriptor(snd_ctl_t *handle);
int snd_ctl_hw_info(snd_ctl_t *handle, struct snd_ctl_hw_info *info);
int snd_ctl_switch_list(snd_ctl_t *handle, snd_switch_list_t * list);
int snd_ctl_switch_read(snd_ctl_t *handle, snd_switch_t * sw);
int snd_ctl_switch_write(snd_ctl_t *handle, snd_switch_t * sw);
int snd_ctl_pcm_info(snd_ctl_t *handle, int dev, snd_pcm_info_t * info);
int snd_ctl_pcm_playback_info(snd_ctl_t *handle, int dev, snd_pcm_playback_info_t * info);
int snd_ctl_pcm_record_info(snd_ctl_t *handle, int dev, snd_pcm_record_info_t * info);
int snd_ctl_pcm_playback_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t * list);
int snd_ctl_pcm_playback_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_playback_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_record_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t * list);
int snd_ctl_pcm_record_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_record_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_mixer_info(snd_ctl_t *handle, int dev, snd_mixer_info_t * info);
int snd_ctl_mixer_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list);
int snd_ctl_mixer_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_mixer_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_info(snd_ctl_t *handle, int dev, snd_rawmidi_info_t * info);
int snd_ctl_rawmidi_output_info(snd_ctl_t *handle, int dev, snd_rawmidi_output_info_t * info);
int snd_ctl_rawmidi_input_info(snd_ctl_t *handle, int dev, snd_rawmidi_input_info_t * info);
int snd_ctl_rawmidi_output_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list);
int snd_ctl_rawmidi_output_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_output_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_input_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list);
int snd_ctl_rawmidi_input_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_input_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
int snd_ctl_read(snd_ctl_t *handle, snd_ctl_callbacks_t * callbacks);
#ifdef __cplusplus
}

30
include/mixer.h
View file

@ -17,27 +17,29 @@ typedef struct snd_mixer_callbacks {
extern "C" {
#endif
int snd_mixer_open(void **handle, int card, int device);
int snd_mixer_close(void *handle);
int snd_mixer_file_descriptor(void *handle);
int snd_mixer_info(void *handle, snd_mixer_info_t * info);
int snd_mixer_elements(void *handle, snd_mixer_elements_t * elements);
int snd_mixer_routes(void *handle, snd_mixer_routes_t * routes);
int snd_mixer_groups(void *handle, snd_mixer_groups_t * groups);
int snd_mixer_group(void *handle, snd_mixer_group_t * group);
int snd_mixer_element_info(void *handle, snd_mixer_element_info_t * info);
int snd_mixer_element_read(void *handle, snd_mixer_element_t * element);
int snd_mixer_element_write(void *handle, snd_mixer_element_t * element);
int snd_mixer_read(void *handle, snd_mixer_callbacks_t * callbacks);
typedef struct snd_mixer snd_mixer_t;
int snd_mixer_open(snd_mixer_t **handle, int card, int device);
int snd_mixer_close(snd_mixer_t *handle);
int snd_mixer_file_descriptor(snd_mixer_t *handle);
int snd_mixer_info(snd_mixer_t *handle, snd_mixer_info_t * info);
int snd_mixer_elements(snd_mixer_t *handle, snd_mixer_elements_t * elements);
int snd_mixer_routes(snd_mixer_t *handle, snd_mixer_routes_t * routes);
int snd_mixer_groups(snd_mixer_t *handle, snd_mixer_groups_t * groups);
int snd_mixer_group(snd_mixer_t *handle, snd_mixer_group_t * group);
int snd_mixer_element_info(snd_mixer_t *handle, snd_mixer_element_info_t * info);
int snd_mixer_element_read(snd_mixer_t *handle, snd_mixer_element_t * element);
int snd_mixer_element_write(snd_mixer_t *handle, snd_mixer_element_t * element);
int snd_mixer_read(snd_mixer_t *handle, snd_mixer_callbacks_t * callbacks);
void snd_mixer_set_bit(unsigned int *bitmap, int bit, int val);
int snd_mixer_get_bit(unsigned int *bitmap, int bit);
int snd_mixer_element_has_info(snd_mixer_eid_t *eid);
int snd_mixer_element_info_build(void *handle, snd_mixer_element_info_t * info);
int snd_mixer_element_info_build(snd_mixer_t *handle, snd_mixer_element_info_t * info);
int snd_mixer_element_info_free(snd_mixer_element_info_t * info);
int snd_mixer_element_has_control(snd_mixer_eid_t *eid);
int snd_mixer_element_build(void *handle, snd_mixer_element_t * element);
int snd_mixer_element_build(snd_mixer_t *handle, snd_mixer_element_t * element);
int snd_mixer_element_free(snd_mixer_element_t * element);
#ifdef __cplusplus

59
include/pcm.h
View file

@ -13,27 +13,30 @@
extern "C" {
#endif
int snd_pcm_open(void **handle, int card, int device, int mode);
int snd_pcm_close(void *handle);
int snd_pcm_file_descriptor(void *handle);
int snd_pcm_block_mode(void *handle, int enable);
int snd_pcm_info(void *handle, snd_pcm_info_t * info);
int snd_pcm_playback_info(void *handle, snd_pcm_playback_info_t * info);
int snd_pcm_record_info(void *handle, snd_pcm_record_info_t * info);
int snd_pcm_playback_format(void *handle, snd_pcm_format_t * format);
int snd_pcm_record_format(void *handle, snd_pcm_format_t * format);
int snd_pcm_playback_params(void *handle, snd_pcm_playback_params_t * params);
int snd_pcm_record_params(void *handle, snd_pcm_record_params_t * params);
int snd_pcm_playback_status(void *handle, snd_pcm_playback_status_t * status);
int snd_pcm_record_status(void *handle, snd_pcm_record_status_t * status);
int snd_pcm_drain_playback(void *handle);
int snd_pcm_flush_playback(void *handle);
int snd_pcm_flush_record(void *handle);
int snd_pcm_playback_pause(void *handle, int enable);
int snd_pcm_playback_time(void *handle, int enable);
int snd_pcm_record_time(void *handle, int enable);
ssize_t snd_pcm_write(void *handle, const void *buffer, size_t size);
ssize_t snd_pcm_read(void *handle, void *buffer, size_t size);
typedef struct snd_pcm snd_pcm_t;
typedef struct snd_pcm_loopback snd_pcm_loopback_t;
int snd_pcm_open(snd_pcm_t **handle, int card, int device, int mode);
int snd_pcm_close(snd_pcm_t *handle);
int snd_pcm_file_descriptor(snd_pcm_t *handle);
int snd_pcm_block_mode(snd_pcm_t *handle, int enable);
int snd_pcm_info(snd_pcm_t *handle, snd_pcm_info_t * info);
int snd_pcm_playback_info(snd_pcm_t *handle, snd_pcm_playback_info_t * info);
int snd_pcm_record_info(snd_pcm_t *handle, snd_pcm_record_info_t * info);
int snd_pcm_playback_format(snd_pcm_t *handle, snd_pcm_format_t * format);
int snd_pcm_record_format(snd_pcm_t *handle, snd_pcm_format_t * format);
int snd_pcm_playback_params(snd_pcm_t *handle, snd_pcm_playback_params_t * params);
int snd_pcm_record_params(snd_pcm_t *handle, snd_pcm_record_params_t * params);
int snd_pcm_playback_status(snd_pcm_t *handle, snd_pcm_playback_status_t * status);
int snd_pcm_record_status(snd_pcm_t *handle, snd_pcm_record_status_t * status);
int snd_pcm_drain_playback(snd_pcm_t *handle);
int snd_pcm_flush_playback(snd_pcm_t *handle);
int snd_pcm_flush_record(snd_pcm_t *handle);
int snd_pcm_playback_pause(snd_pcm_t *handle, int enable);
int snd_pcm_playback_time(snd_pcm_t *handle, int enable);
int snd_pcm_record_time(snd_pcm_t *handle, int enable);
ssize_t snd_pcm_write(snd_pcm_t *handle, const void *buffer, size_t size);
ssize_t snd_pcm_read(snd_pcm_t *handle, void *buffer, size_t size);
#ifdef __cplusplus
}
@ -46,13 +49,13 @@ ssize_t snd_pcm_read(void *handle, void *buffer, size_t size);
extern "C" {
#endif
int snd_pcm_loopback_open(void **handle, int card, int device, int mode);
int snd_pcm_loopback_close(void *handle);
int snd_pcm_loopback_file_descriptor(void *handle);
int snd_pcm_loopback_block_mode(void *handle, int enable);
int snd_pcm_loopback_stream_mode(void *handle, int mode);
int snd_pcm_loopback_format(void *handle, snd_pcm_format_t * format);
ssize_t snd_pcm_loopback_read(void *handle, void *buffer, size_t size);
int snd_pcm_loopback_open(snd_pcm_loopback_t **handle, int card, int device, int mode);
int snd_pcm_loopback_close(snd_pcm_loopback_t *handle);
int snd_pcm_loopback_file_descriptor(snd_pcm_loopback_t *handle);
int snd_pcm_loopback_block_mode(snd_pcm_loopback_t *handle, int enable);
int snd_pcm_loopback_stream_mode(snd_pcm_loopback_t *handle, int mode);
int snd_pcm_loopback_format(snd_pcm_loopback_t *handle, snd_pcm_format_t * format);
ssize_t snd_pcm_loopback_read(snd_pcm_loopback_t *handle, void *buffer, size_t size);
#ifdef __cplusplus
}

30
include/rawmidi.h
View file

@ -13,20 +13,22 @@
extern "C" {
#endif
int snd_rawmidi_open(void **handle, int card, int device, int mode);
int snd_rawmidi_close(void *handle);
int snd_rawmidi_file_descriptor(void *handle);
int snd_rawmidi_block_mode(void *handle, int enable);
int snd_rawmidi_info(void *handle, snd_rawmidi_info_t * info);
int snd_rawmidi_output_params(void *handle, snd_rawmidi_output_params_t * params);
int snd_rawmidi_input_params(void *handle, snd_rawmidi_input_params_t * params);
int snd_rawmidi_output_status(void *handle, snd_rawmidi_output_status_t * status);
int snd_rawmidi_input_status(void *handle, snd_rawmidi_input_status_t * status);
int snd_rawmidi_drain_output(void *handle);
int snd_rawmidi_flush_output(void *handle);
int snd_rawmidi_flush_input(void *handle);
ssize_t snd_rawmidi_write(void *handle, const void *buffer, size_t size);
ssize_t snd_rawmidi_read(void *handle, void *buffer, size_t size);
typedef struct snd_rawmidi snd_rawmidi_t;
int snd_rawmidi_open(snd_rawmidi_t **handle, int card, int device, int mode);
int snd_rawmidi_close(snd_rawmidi_t *handle);
int snd_rawmidi_file_descriptor(snd_rawmidi_t *handle);
int snd_rawmidi_block_mode(snd_rawmidi_t *handle, int enable);
int snd_rawmidi_info(snd_rawmidi_t *handle, snd_rawmidi_info_t * info);
int snd_rawmidi_output_params(snd_rawmidi_t *handle, snd_rawmidi_output_params_t * params);
int snd_rawmidi_input_params(snd_rawmidi_t *handle, snd_rawmidi_input_params_t * params);
int snd_rawmidi_output_status(snd_rawmidi_t *handle, snd_rawmidi_output_status_t * status);
int snd_rawmidi_input_status(snd_rawmidi_t *handle, snd_rawmidi_input_status_t * status);
int snd_rawmidi_drain_output(snd_rawmidi_t *handle);
int snd_rawmidi_flush_output(snd_rawmidi_t *handle);
int snd_rawmidi_flush_input(snd_rawmidi_t *handle);
ssize_t snd_rawmidi_write(snd_rawmidi_t *handle, const void *buffer, size_t size);
ssize_t snd_rawmidi_read(snd_rawmidi_t *handle, void *buffer, size_t size);
#ifdef __cplusplus
}

70
include/seq.h
View file

@ -13,44 +13,46 @@
extern "C" {
#endif
int snd_seq_open(void **handle, int mode);
int snd_seq_close(void *handle);
int snd_seq_file_descriptor(void *handle);
int snd_seq_block_mode(void *handle, int enable);
int snd_seq_client_id(void *handle);
int snd_seq_system_info(void *handle, snd_seq_system_info_t *info);
int snd_seq_get_client_info(void *handle, snd_seq_client_info_t *info);
int snd_seq_get_any_client_info(void *handle, int client, snd_seq_client_info_t *info);
int snd_seq_set_client_info(void *handle, snd_seq_client_info_t *info);
int snd_seq_create_port(void *handle, snd_seq_port_info_t *info);
int snd_seq_delete_port(void *handle, snd_seq_port_info_t *info);
int snd_seq_get_port_info(void *handle, int port, snd_seq_port_info_t *info);
int snd_seq_get_any_port_info(void *handle, int client, int port, snd_seq_port_info_t *info);
int snd_seq_set_port_info(void *handle, int port, snd_seq_port_info_t *info);
int snd_seq_subscribe_port(void *handle, snd_seq_port_subscribe_t *sub);
int snd_seq_unsubscribe_port(void *handle, snd_seq_port_subscribe_t *sub);
int snd_seq_get_queue_status(void *handle, int q, snd_seq_queue_status_t *status);
int snd_seq_get_queue_tempo(void *handle, int q, snd_seq_queue_tempo_t *tempo);
int snd_seq_set_queue_tempo(void *handle, int q, snd_seq_queue_tempo_t *tempo);
int snd_seq_get_queue_owner(void *handle, int q, snd_seq_queue_owner_t *owner);
int snd_seq_set_queue_owner(void *handle, int q, snd_seq_queue_owner_t *owner);
int snd_seq_get_queue_timer(void *handle, int q, snd_seq_queue_timer_t *timer);
int snd_seq_set_queue_timer(void *handle, int q, snd_seq_queue_timer_t *timer);
int snd_seq_get_queue_sync(void *handle, int q, snd_seq_queue_sync_t *sync);
int snd_seq_set_queue_sync(void *handle, int q, snd_seq_queue_sync_t *sync);
int snd_seq_get_queue_client(void *handle, int q, snd_seq_queue_client_t *queue);
int snd_seq_set_queue_client(void *handle, int q, snd_seq_queue_client_t *queue);
int snd_seq_alloc_queue(void *handle);
int snd_seq_free_queue(void *handle, int q);
typedef struct snd_seq snd_seq_t;
int snd_seq_open(snd_seq_t **handle, int mode);
int snd_seq_close(snd_seq_t *handle);
int snd_seq_file_descriptor(snd_seq_t *handle);
int snd_seq_block_mode(snd_seq_t *handle, int enable);
int snd_seq_client_id(snd_seq_t *handle);
int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t *info);
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);
int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info);
int snd_seq_delete_port(snd_seq_t *handle, snd_seq_port_info_t *info);
int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info);
int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status);
int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
int snd_seq_get_queue_owner(snd_seq_t *handle, int q, snd_seq_queue_owner_t *owner);
int snd_seq_set_queue_owner(snd_seq_t *handle, int q, snd_seq_queue_owner_t *owner);
int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
int snd_seq_get_queue_sync(snd_seq_t *handle, int q, snd_seq_queue_sync_t *sync);
int snd_seq_set_queue_sync(snd_seq_t *handle, int q, snd_seq_queue_sync_t *sync);
int snd_seq_get_queue_client(snd_seq_t *handle, int q, snd_seq_queue_client_t *queue);
int snd_seq_set_queue_client(snd_seq_t *handle, int q, snd_seq_queue_client_t *queue);
int snd_seq_alloc_queue(snd_seq_t *handle);
int snd_seq_free_queue(snd_seq_t *handle, int q);
/* event routines */
snd_seq_event_t *snd_seq_create_event(void);
int snd_seq_free_event(snd_seq_event_t *ev);
int snd_seq_event_length(snd_seq_event_t *ev);
int snd_seq_event_output(void *handle, snd_seq_event_t *ev);
int snd_seq_event_input(void *handle, snd_seq_event_t **ev);
int snd_seq_flush_output(void *handle);
int snd_seq_drain_output(void *handle);
int snd_seq_drain_input(void *handle);
int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev);
int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev);
int snd_seq_flush_output(snd_seq_t *handle);
int snd_seq_drain_output(snd_seq_t *handle);
int snd_seq_drain_input(snd_seq_t *handle);
/* misc */
void snd_seq_set_bit(int nr, void *array);
int snd_seq_change_bit(int nr, void *array);

26
include/timer.h
View file

@ -9,18 +9,20 @@
extern "C" {
#endif
int snd_timer_open(void **handle);
int snd_timer_close(void *handle);
int snd_timer_file_descriptor(void *handle);
int snd_timer_general_info(void *handle, snd_timer_general_info_t * info);
int snd_timer_select(void *handle, snd_timer_select_t *tselect);
int snd_timer_info(void *handle, snd_timer_info_t *timer);
int snd_timer_params(void *handle, snd_timer_params_t *params);
int snd_timer_status(void *handle, snd_timer_status_t *status);
int snd_timer_start(void *handle);
int snd_timer_stop(void *handle);
int snd_timer_continue(void *handle);
ssize_t snd_timer_read(void *handle, void *buffer, size_t size);
typedef struct snd_timer snd_timer_t;
int snd_timer_open(snd_timer_t **handle);
int snd_timer_close(snd_timer_t *handle);
int snd_timer_file_descriptor(snd_timer_t *handle);
int snd_timer_general_info(snd_timer_t *handle, snd_timer_general_info_t * info);
int snd_timer_select(snd_timer_t *handle, snd_timer_select_t *tselect);
int snd_timer_info(snd_timer_t *handle, snd_timer_info_t *timer);
int snd_timer_params(snd_timer_t *handle, snd_timer_params_t *params);
int snd_timer_status(snd_timer_t *handle, snd_timer_status_t *status);
int snd_timer_start(snd_timer_t *handle);
int snd_timer_stop(snd_timer_t *handle);
int snd_timer_continue(snd_timer_t *handle);
ssize_t snd_timer_read(snd_timer_t *handle, void *buffer, size_t size);
#ifdef __cplusplus
}

2
src/control/cards.c
View file

@ -94,7 +94,7 @@ unsigned int snd_cards_mask(void)
int snd_card_name(const char *string)
{
int card, bitmask;
void *handle;
snd_ctl_t *handle;
struct snd_ctl_hw_info info;
if (!string || *string == '\0')

122
src/control/control.c
View file

@ -31,12 +31,12 @@
#define SND_FILE_CONTROL "/dev/snd/controlC%i"
#define SND_CTL_VERSION_MAX SND_PROTOCOL_VERSION( 1, 0, 0 )
typedef struct {
struct snd_ctl {
int card;
int fd;
} snd_ctl_t;
};
int snd_ctl_open(void **handle, int card)
int snd_ctl_open(snd_ctl_t **handle, int card)
{
int fd, ver;
char filename[32];
@ -72,12 +72,12 @@ int snd_ctl_open(void **handle, int card)
return 0;
}
int snd_ctl_close(void *handle)
int snd_ctl_close(snd_ctl_t *handle)
{
snd_ctl_t *ctl;
int res;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl)
return -EINVAL;
res = close(ctl->fd) < 0 ? -errno : 0;
@ -85,21 +85,21 @@ int snd_ctl_close(void *handle)
return res;
}
int snd_ctl_file_descriptor(void *handle)
int snd_ctl_file_descriptor(snd_ctl_t *handle)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl)
return -EINVAL;
return ctl->fd;
}
int snd_ctl_hw_info(void *handle, struct snd_ctl_hw_info *info)
int snd_ctl_hw_info(snd_ctl_t *handle, struct snd_ctl_hw_info *info)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !info)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_HW_INFO, info) < 0)
@ -107,11 +107,11 @@ int snd_ctl_hw_info(void *handle, struct snd_ctl_hw_info *info)
return 0;
}
int snd_ctl_switch_list(void *handle, snd_switch_list_t *list)
int snd_ctl_switch_list(snd_ctl_t *handle, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !list)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_LIST, list) < 0)
@ -119,11 +119,11 @@ int snd_ctl_switch_list(void *handle, snd_switch_list_t *list)
return 0;
}
int snd_ctl_switch_read(void *handle, snd_switch_t *sw)
int snd_ctl_switch_read(snd_ctl_t *handle, snd_switch_t *sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_READ, sw) < 0)
@ -131,11 +131,11 @@ int snd_ctl_switch_read(void *handle, snd_switch_t *sw)
return 0;
}
int snd_ctl_switch_write(void *handle, snd_switch_t *sw)
int snd_ctl_switch_write(snd_ctl_t *handle, snd_switch_t *sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_WRITE, sw) < 0)
@ -143,11 +143,11 @@ int snd_ctl_switch_write(void *handle, snd_switch_t *sw)
return 0;
}
int snd_ctl_pcm_info(void *handle, int dev, snd_pcm_info_t * info)
int snd_ctl_pcm_info(snd_ctl_t *handle, int dev, snd_pcm_info_t * info)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !info || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -157,11 +157,11 @@ int snd_ctl_pcm_info(void *handle, int dev, snd_pcm_info_t * info)
return 0;
}
int snd_ctl_pcm_playback_info(void *handle, int dev, snd_pcm_playback_info_t * info)
int snd_ctl_pcm_playback_info(snd_ctl_t *handle, int dev, snd_pcm_playback_info_t * info)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !info || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -171,11 +171,11 @@ int snd_ctl_pcm_playback_info(void *handle, int dev, snd_pcm_playback_info_t * i
return 0;
}
int snd_ctl_pcm_record_info(void *handle, int dev, snd_pcm_record_info_t * info)
int snd_ctl_pcm_record_info(snd_ctl_t *handle, int dev, snd_pcm_record_info_t * info)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !info || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -185,11 +185,11 @@ int snd_ctl_pcm_record_info(void *handle, int dev, snd_pcm_record_info_t * info)
return 0;
}
int snd_ctl_pcm_playback_switch_list(void *handle, int dev, snd_switch_list_t *list)
int snd_ctl_pcm_playback_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || dev < 0 || !list)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -199,11 +199,11 @@ int snd_ctl_pcm_playback_switch_list(void *handle, int dev, snd_switch_list_t *l
return 0;
}
int snd_ctl_pcm_playback_switch_read(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_pcm_playback_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -213,11 +213,11 @@ int snd_ctl_pcm_playback_switch_read(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_ctl_pcm_playback_switch_write(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_pcm_playback_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -227,11 +227,11 @@ int snd_ctl_pcm_playback_switch_write(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_ctl_pcm_record_switch_list(void *handle, int dev, snd_switch_list_t * list)
int snd_ctl_pcm_record_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t * list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !list || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -241,11 +241,11 @@ int snd_ctl_pcm_record_switch_list(void *handle, int dev, snd_switch_list_t * li
return 0;
}
int snd_ctl_pcm_record_switch_read(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_pcm_record_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -255,11 +255,11 @@ int snd_ctl_pcm_record_switch_read(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_ctl_pcm_record_switch_write(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_pcm_record_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
@ -269,11 +269,11 @@ int snd_ctl_pcm_record_switch_write(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_ctl_mixer_info(void *handle, int dev, snd_mixer_info_t * info)
int snd_ctl_mixer_info(snd_ctl_t *handle, int dev, snd_mixer_info_t * info)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !info || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
@ -283,11 +283,11 @@ int snd_ctl_mixer_info(void *handle, int dev, snd_mixer_info_t * info)
return 0;
}
int snd_ctl_mixer_switch_list(void *handle, int dev, snd_switch_list_t * list)
int snd_ctl_mixer_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t * list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !list || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
@ -297,11 +297,11 @@ int snd_ctl_mixer_switch_list(void *handle, int dev, snd_switch_list_t * list)
return 0;
}
int snd_ctl_mixer_switch_read(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_mixer_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
@ -311,11 +311,11 @@ int snd_ctl_mixer_switch_read(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_ctl_mixer_switch_write(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_mixer_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
@ -325,11 +325,11 @@ int snd_ctl_mixer_switch_write(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_ctl_rawmidi_info(void *handle, int dev, snd_rawmidi_info_t * info)
int snd_ctl_rawmidi_info(snd_ctl_t *handle, int dev, snd_rawmidi_info_t * info)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !info)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -339,11 +339,11 @@ int snd_ctl_rawmidi_info(void *handle, int dev, snd_rawmidi_info_t * info)
return 0;
}
int snd_ctl_rawmidi_output_info(void *handle, int dev, snd_rawmidi_output_info_t * info)
int snd_ctl_rawmidi_output_info(snd_ctl_t *handle, int dev, snd_rawmidi_output_info_t * info)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !info || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -353,11 +353,11 @@ int snd_ctl_rawmidi_output_info(void *handle, int dev, snd_rawmidi_output_info_t
return 0;
}
int snd_ctl_rawmidi_input_info(void *handle, int dev, snd_rawmidi_input_info_t * info)
int snd_ctl_rawmidi_input_info(snd_ctl_t *handle, int dev, snd_rawmidi_input_info_t * info)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !info || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -367,11 +367,11 @@ int snd_ctl_rawmidi_input_info(void *handle, int dev, snd_rawmidi_input_info_t *
return 0;
}
int snd_ctl_rawmidi_output_switch_list(void *handle, int dev, snd_switch_list_t *list)
int snd_ctl_rawmidi_output_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !list || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -381,11 +381,11 @@ int snd_ctl_rawmidi_output_switch_list(void *handle, int dev, snd_switch_list_t
return 0;
}
int snd_ctl_rawmidi_output_switch_read(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_rawmidi_output_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -395,11 +395,11 @@ int snd_ctl_rawmidi_output_switch_read(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_ctl_rawmidi_output_switch_write(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_rawmidi_output_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -409,11 +409,11 @@ int snd_ctl_rawmidi_output_switch_write(void *handle, int dev, snd_switch_t * sw
return 0;
}
int snd_ctl_rawmidi_input_switch_list(void *handle, int dev, snd_switch_list_t *list)
int snd_ctl_rawmidi_input_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !list || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -423,11 +423,11 @@ int snd_ctl_rawmidi_input_switch_list(void *handle, int dev, snd_switch_list_t *
return 0;
}
int snd_ctl_rawmidi_input_switch_read(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_rawmidi_input_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -437,11 +437,11 @@ int snd_ctl_rawmidi_input_switch_read(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_ctl_rawmidi_input_switch_write(void *handle, int dev, snd_switch_t * sw)
int snd_ctl_rawmidi_input_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
@ -451,13 +451,13 @@ int snd_ctl_rawmidi_input_switch_write(void *handle, int dev, snd_switch_t * sw)
return 0;
}
int snd_control_read(void *handle, snd_ctl_callbacks_t * callbacks)
int snd_control_read(snd_ctl_t *handle, snd_ctl_callbacks_t * callbacks)
{
snd_ctl_t *ctl;
int result, count;
snd_ctl_read_t r;
ctl = (snd_ctl_t *) handle;
ctl = handle;
if (!ctl)
return -EINVAL;
count = 0;

4
src/mixer/elements.c
View file

@ -57,7 +57,7 @@ int snd_mixer_element_has_info(snd_mixer_eid_t *eid)
return 0;
}
int snd_mixer_element_info_build(void *handle, snd_mixer_element_info_t *element)
int snd_mixer_element_info_build(snd_mixer_t *handle, snd_mixer_element_info_t *element)
{
int err;
@ -204,7 +204,7 @@ int snd_mixer_element_has_control(snd_mixer_eid_t *eid)
return 0;
}
int snd_mixer_element_build(void *handle, snd_mixer_element_t *element)
int snd_mixer_element_build(snd_mixer_t *handle, snd_mixer_element_t *element)
{
int err;

50
src/mixer/mixer.c
View file

@ -31,13 +31,13 @@
#define SND_FILE_MIXER "/dev/snd/mixerC%iD%i"
#define SND_MIXER_VERSION_MAX SND_PROTOCOL_VERSION(2, 0, 0)
typedef struct {
struct snd_mixer {
int card;
int device;
int fd;
} snd_mixer_t;
} ;
int snd_mixer_open(void **handle, int card, int device)
int snd_mixer_open(snd_mixer_t **handle, int card, int device)
{
int fd, ver;
char filename[32];
@ -73,12 +73,12 @@ int snd_mixer_open(void **handle, int card, int device)
return 0;
}
int snd_mixer_close(void *handle)
int snd_mixer_close(snd_mixer_t *handle)
{
snd_mixer_t *mixer;
int res;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
res = close(mixer->fd) < 0 ? -errno : 0;
@ -86,21 +86,21 @@ int snd_mixer_close(void *handle)
return res;
}
int snd_mixer_file_descriptor(void *handle)
int snd_mixer_file_descriptor(snd_mixer_t *handle)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
return mixer->fd;
}
int snd_mixer_info(void *handle, snd_mixer_info_t * info)
int snd_mixer_info(snd_mixer_t *handle, snd_mixer_info_t * info)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer || !info)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_INFO, info) < 0)
@ -108,11 +108,11 @@ int snd_mixer_info(void *handle, snd_mixer_info_t * info)
return 0;
}
int snd_mixer_elements(void *handle, snd_mixer_elements_t * elements)
int snd_mixer_elements(snd_mixer_t *handle, snd_mixer_elements_t * elements)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_ELEMENTS, elements) < 0)
@ -120,11 +120,11 @@ int snd_mixer_elements(void *handle, snd_mixer_elements_t * elements)
return 0;
}
int snd_mixer_routes(void *handle, snd_mixer_routes_t * routes)
int snd_mixer_routes(snd_mixer_t *handle, snd_mixer_routes_t * routes)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_ROUTES, routes) < 0)
@ -132,11 +132,11 @@ int snd_mixer_routes(void *handle, snd_mixer_routes_t * routes)
return 0;
}
int snd_mixer_groups(void *handle, snd_mixer_groups_t * groups)
int snd_mixer_groups(snd_mixer_t *handle, snd_mixer_groups_t * groups)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_GROUPS, groups) < 0)
@ -144,11 +144,11 @@ int snd_mixer_groups(void *handle, snd_mixer_groups_t * groups)
return 0;
}
int snd_mixer_group(void *handle, snd_mixer_group_t * group)
int snd_mixer_group(snd_mixer_t *handle, snd_mixer_group_t * group)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_GROUP, group) < 0)
@ -156,11 +156,11 @@ int snd_mixer_group(void *handle, snd_mixer_group_t * group)
return 0;
}
int snd_mixer_element_info(void *handle, snd_mixer_element_info_t * info)
int snd_mixer_element_info(snd_mixer_t *handle, snd_mixer_element_info_t * info)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_ELEMENT_INFO, info) < 0)
@ -169,11 +169,11 @@ int snd_mixer_element_info(void *handle, snd_mixer_element_info_t * info)
}
int snd_mixer_element_read(void *handle, snd_mixer_element_t * element)
int snd_mixer_element_read(snd_mixer_t *handle, snd_mixer_element_t * element)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_ELEMENT_READ, element) < 0)
@ -181,11 +181,11 @@ int snd_mixer_element_read(void *handle, snd_mixer_element_t * element)
return 0;
}
int snd_mixer_element_write(void *handle, snd_mixer_element_t * element)
int snd_mixer_element_write(snd_mixer_t *handle, snd_mixer_element_t * element)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_ELEMENT_WRITE, element) < 0)
@ -193,13 +193,13 @@ int snd_mixer_element_write(void *handle, snd_mixer_element_t * element)
return 0;
}
int snd_mixer_read(void *handle, snd_mixer_callbacks_t * callbacks)
int snd_mixer_read(snd_mixer_t *handle, snd_mixer_callbacks_t * callbacks)
{
snd_mixer_t *mixer;
int result, count;
snd_mixer_read_t r;
mixer = (snd_mixer_t *) handle;
mixer = handle;
if (!mixer)
return -EINVAL;
count = 0;

88
src/pcm/pcm.c
View file

@ -18,7 +18,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@ -31,13 +31,13 @@
#define SND_FILE_PCM "/dev/snd/pcmC%iD%i"
#define SND_PCM_VERSION_MAX SND_PROTOCOL_VERSION( 1, 0, 1 )
typedef struct {
struct snd_pcm {
int card;
int device;
int fd;
} snd_pcm_t;
};
int snd_pcm_open(void **handle, int card, int device, int mode)
int snd_pcm_open(snd_pcm_t **handle, int card, int device, int mode)
{
int fd, ver;
char filename[32];
@ -73,12 +73,12 @@ int snd_pcm_open(void **handle, int card, int device, int mode)
return 0;
}
int snd_pcm_close(void *handle)
int snd_pcm_close(snd_pcm_t *handle)
{
snd_pcm_t *pcm;
int res;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
res = close(pcm->fd) < 0 ? -errno : 0;
@ -86,22 +86,22 @@ int snd_pcm_close(void *handle)
return res;
}
int snd_pcm_file_descriptor(void *handle)
int snd_pcm_file_descriptor(snd_pcm_t *handle)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
return pcm->fd;
}
int snd_pcm_block_mode(void *handle, int enable)
int snd_pcm_block_mode(snd_pcm_t *handle, int enable)
{
snd_pcm_t *pcm;
long flags;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
if ((flags = fcntl(pcm->fd, F_GETFL)) < 0)
@ -115,11 +115,11 @@ int snd_pcm_block_mode(void *handle, int enable)
return 0;
}
int snd_pcm_info(void *handle, snd_pcm_info_t * info)
int snd_pcm_info(snd_pcm_t *handle, snd_pcm_info_t * info)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !info)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_INFO, info) < 0)
@ -127,11 +127,11 @@ int snd_pcm_info(void *handle, snd_pcm_info_t * info)
return 0;
}
int snd_pcm_playback_info(void *handle, snd_pcm_playback_info_t * info)
int snd_pcm_playback_info(snd_pcm_t *handle, snd_pcm_playback_info_t * info)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !info)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PLAYBACK_INFO, info) < 0)
@ -139,11 +139,11 @@ int snd_pcm_playback_info(void *handle, snd_pcm_playback_info_t * info)
return 0;
}
int snd_pcm_record_info(void *handle, snd_pcm_record_info_t * info)
int snd_pcm_record_info(snd_pcm_t *handle, snd_pcm_record_info_t * info)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !info)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RECORD_INFO, info) < 0)
@ -151,11 +151,11 @@ int snd_pcm_record_info(void *handle, snd_pcm_record_info_t * info)
return 0;
}
int snd_pcm_playback_format(void *handle, snd_pcm_format_t * format)
int snd_pcm_playback_format(snd_pcm_t *handle, snd_pcm_format_t * format)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !format)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PLAYBACK_FORMAT, format) < 0)
@ -163,11 +163,11 @@ int snd_pcm_playback_format(void *handle, snd_pcm_format_t * format)
return 0;
}
int snd_pcm_record_format(void *handle, snd_pcm_format_t * format)
int snd_pcm_record_format(snd_pcm_t *handle, snd_pcm_format_t * format)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !format)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RECORD_FORMAT, format) < 0)
@ -175,11 +175,11 @@ int snd_pcm_record_format(void *handle, snd_pcm_format_t * format)
return 0;
}
int snd_pcm_playback_params(void *handle, snd_pcm_playback_params_t * params)
int snd_pcm_playback_params(snd_pcm_t *handle, snd_pcm_playback_params_t * params)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !params)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PLAYBACK_PARAMS, params) < 0)
@ -187,11 +187,11 @@ int snd_pcm_playback_params(void *handle, snd_pcm_playback_params_t * params)
return 0;
}
int snd_pcm_record_params(void *handle, snd_pcm_record_params_t * params)
int snd_pcm_record_params(snd_pcm_t *handle, snd_pcm_record_params_t * params)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !params)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RECORD_PARAMS, params) < 0)
@ -199,11 +199,11 @@ int snd_pcm_record_params(void *handle, snd_pcm_record_params_t * params)
return 0;
}
int snd_pcm_playback_status(void *handle, snd_pcm_playback_status_t * status)
int snd_pcm_playback_status(snd_pcm_t *handle, snd_pcm_playback_status_t * status)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !status)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PLAYBACK_STATUS, status) < 0)
@ -211,11 +211,11 @@ int snd_pcm_playback_status(void *handle, snd_pcm_playback_status_t * status)
return 0;
}
int snd_pcm_record_status(void *handle, snd_pcm_record_status_t * status)
int snd_pcm_record_status(snd_pcm_t *handle, snd_pcm_record_status_t * status)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || !status)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RECORD_STATUS, status) < 0)
@ -223,11 +223,11 @@ int snd_pcm_record_status(void *handle, snd_pcm_record_status_t * status)
return 0;
}
int snd_pcm_drain_playback(void *handle)
int snd_pcm_drain_playback(snd_pcm_t *handle)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_DRAIN_PLAYBACK) < 0)
@ -235,11 +235,11 @@ int snd_pcm_drain_playback(void *handle)
return 0;
}
int snd_pcm_flush_playback(void *handle)
int snd_pcm_flush_playback(snd_pcm_t *handle)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_FLUSH_PLAYBACK) < 0)
@ -247,11 +247,11 @@ int snd_pcm_flush_playback(void *handle)
return 0;
}
int snd_pcm_flush_record(void *handle)
int snd_pcm_flush_record(snd_pcm_t *handle)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_FLUSH_RECORD) < 0)
@ -259,11 +259,11 @@ int snd_pcm_flush_record(void *handle)
return 0;
}
int snd_pcm_playback_pause(void *handle, int enable)
int snd_pcm_playback_pause(snd_pcm_t *handle, int enable)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PLAYBACK_PAUSE, &enable) < 0)
@ -271,11 +271,11 @@ int snd_pcm_playback_pause(void *handle, int enable)
return 0;
}
int snd_pcm_playback_time(void *handle, int enable)
int snd_pcm_playback_time(snd_pcm_t *handle, int enable)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PLAYBACK_TIME, &enable) < 0)
@ -283,11 +283,11 @@ int snd_pcm_playback_time(void *handle, int enable)
return 0;
}
int snd_pcm_record_time(void *handle, int enable)
int snd_pcm_record_time(snd_pcm_t *handle, int enable)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RECORD_TIME, &enable) < 0)
@ -295,12 +295,12 @@ int snd_pcm_record_time(void *handle, int enable)
return 0;
}
ssize_t snd_pcm_write(void *handle, const void *buffer, size_t size)
ssize_t snd_pcm_write(snd_pcm_t *handle, const void *buffer, size_t size)
{
snd_pcm_t *pcm;
ssize_t result;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || (!buffer && size > 0) || size < 0)
return -EINVAL;
result = write(pcm->fd, buffer, size);
@ -309,12 +309,12 @@ ssize_t snd_pcm_write(void *handle, const void *buffer, size_t size)
return result;
}
ssize_t snd_pcm_read(void *handle, void *buffer, size_t size)
ssize_t snd_pcm_read(snd_pcm_t *handle, void *buffer, size_t size)
{
snd_pcm_t *pcm;
ssize_t result;
pcm = (snd_pcm_t *) handle;
pcm = handle;
if (!pcm || (!buffer && size > 0) || size < 0)
return -EINVAL;
result = read(pcm->fd, buffer, size);

32
src/pcm/pcm_loopback.c
View file

@ -18,7 +18,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@ -31,13 +31,13 @@
#define SND_FILE_PCM_LB "/proc/asound/%i/pcm%i%s"
#define SND_PCM_LB_VERSION_MAX SND_PROTOCOL_VERSION( 1, 0, 0 )
typedef struct {
struct snd_pcm_loopback {
int card;
int device;
int fd;
} snd_pcm_loopback_t;
} ;
int snd_pcm_loopback_open(void **handle, int card, int device, int mode)
int snd_pcm_loopback_open(snd_pcm_loopback_t **handle, int card, int device, int mode)
{
int fd, ver;
char filename[32];
@ -74,12 +74,12 @@ int snd_pcm_loopback_open(void **handle, int card, int device, int mode)
return 0;
}
int snd_pcm_loopback_close(void *handle)
int snd_pcm_loopback_close(snd_pcm_loopback_t *handle)
{
snd_pcm_loopback_t *lb;
int res;
lb = (snd_pcm_loopback_t *) handle;
lb = handle;
if (!lb)
return -EINVAL;
res = close(lb->fd) < 0 ? -errno : 0;
@ -87,22 +87,22 @@ int snd_pcm_loopback_close(void *handle)
return res;
}
int snd_pcm_loopback_file_descriptor(void *handle)
int snd_pcm_loopback_file_descriptor(snd_pcm_loopback_t *handle)
{
snd_pcm_loopback_t *lb;
lb = (snd_pcm_loopback_t *) handle;
lb = handle;
if (!lb)
return -EINVAL;
return lb->fd;
}
int snd_pcm_loopback_block_mode(void *handle, int enable)
int snd_pcm_loopback_block_mode(snd_pcm_loopback_t *handle, int enable)
{
snd_pcm_loopback_t *lb;
long flags;
lb = (snd_pcm_loopback_t *) handle;
lb = handle;
if (!lb)
return -EINVAL;
if ((flags = fcntl(lb->fd, F_GETFL)) < 0)
@ -116,12 +116,12 @@ int snd_pcm_loopback_block_mode(void *handle, int enable)
return 0;
}
int snd_pcm_loopback_stream_mode(void *handle, int mode)
int snd_pcm_loopback_stream_mode(snd_pcm_loopback_t *handle, int mode)
{
snd_pcm_loopback_t *lb;
long lmode = mode;
lb = (snd_pcm_loopback_t *) handle;
lb = handle;
if (!lb)
return -EINVAL;
if (ioctl(lb->fd, SND_PCM_LB_IOCTL_STREAM_MODE, &lmode) < 0)
@ -129,11 +129,11 @@ int snd_pcm_loopback_stream_mode(void *handle, int mode)
return 0;
}
int snd_pcm_loopback_format(void *handle, snd_pcm_format_t * format)
int snd_pcm_loopback_format(snd_pcm_loopback_t *handle, snd_pcm_format_t * format)
{
snd_pcm_loopback_t *lb;
lb = (snd_pcm_loopback_t *) handle;
lb = handle;
if (!lb)
return -EINVAL;
if (ioctl(lb->fd, SND_PCM_LB_IOCTL_FORMAT, format) < 0)
@ -141,12 +141,12 @@ int snd_pcm_loopback_format(void *handle, snd_pcm_format_t * format)
return 0;
}
ssize_t snd_pcm_loopback_read(void *handle, void *buffer, size_t size)
ssize_t snd_pcm_loopback_read(snd_pcm_loopback_t *handle, void *buffer, size_t size)
{
snd_pcm_loopback_t *lb;
ssize_t result;
lb = (snd_pcm_loopback_t *) handle;
lb = handle;
if (!lb)
return -EINVAL;
result = read(lb->fd, buffer, size);

58
src/rawmidi/rawmidi.c
View file

@ -31,13 +31,13 @@
#define SND_FILE_RAWMIDI "/dev/snd/midiC%iD%i"
#define SND_RAWMIDI_VERSION_MAX SND_PROTOCOL_VERSION( 1, 0, 0 )
typedef struct {
struct snd_rawmidi {
int card;
int device;
int fd;
} snd_rawmidi_t;
};
int snd_rawmidi_open(void **handle, int card, int device, int mode)
int snd_rawmidi_open(snd_rawmidi_t **handle, int card, int device, int mode)
{
int fd, ver;
char filename[32];
@ -73,12 +73,12 @@ int snd_rawmidi_open(void **handle, int card, int device, int mode)
return 0;
}
int snd_rawmidi_close(void *handle)
int snd_rawmidi_close(snd_rawmidi_t *handle)
{
snd_rawmidi_t *rmidi;
int res;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi)
return -EINVAL;
res = close(rmidi->fd) < 0 ? -errno : 0;
@ -86,22 +86,22 @@ int snd_rawmidi_close(void *handle)
return res;
}
int snd_rawmidi_file_descriptor(void *handle)
int snd_rawmidi_file_descriptor(snd_rawmidi_t *handle)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi)
return -EINVAL;
return rmidi->fd;
}
int snd_rawmidi_block_mode(void *handle, int enable)
int snd_rawmidi_block_mode(snd_rawmidi_t *handle, int enable)
{
snd_rawmidi_t *rmidi;
long flags;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi)
return -EINVAL;
if ((flags = fcntl(rmidi->fd, F_GETFL)) < 0)
@ -115,11 +115,11 @@ int snd_rawmidi_block_mode(void *handle, int enable)
return 0;
}
int snd_rawmidi_info(void *handle, snd_rawmidi_info_t * info)
int snd_rawmidi_info(snd_rawmidi_t *handle, snd_rawmidi_info_t * info)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi || !info)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_INFO, info) < 0)
@ -127,11 +127,11 @@ int snd_rawmidi_info(void *handle, snd_rawmidi_info_t * info)
return 0;
}
int snd_rawmidi_output_params(void *handle, snd_rawmidi_output_params_t * params)
int snd_rawmidi_output_params(snd_rawmidi_t *handle, snd_rawmidi_output_params_t * params)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi || !params)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OUTPUT_PARAMS, params) < 0)
@ -139,11 +139,11 @@ int snd_rawmidi_output_params(void *handle, snd_rawmidi_output_params_t * params
return 0;
}
int snd_rawmidi_input_params(void *handle, snd_rawmidi_input_params_t * params)
int snd_rawmidi_input_params(snd_rawmidi_t *handle, snd_rawmidi_input_params_t * params)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi || !params)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_INPUT_PARAMS, params) < 0)
@ -151,11 +151,11 @@ int snd_rawmidi_input_params(void *handle, snd_rawmidi_input_params_t * params)
return 0;
}
int snd_rawmidi_output_status(void *handle, snd_rawmidi_output_status_t * status)
int snd_rawmidi_output_status(snd_rawmidi_t *handle, snd_rawmidi_output_status_t * status)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi || !status)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OUTPUT_STATUS, status) < 0)
@ -163,11 +163,11 @@ int snd_rawmidi_output_status(void *handle, snd_rawmidi_output_status_t * status
return 0;
}
int snd_rawmidi_input_status(void *handle, snd_rawmidi_input_status_t * status)
int snd_rawmidi_input_status(snd_rawmidi_t *handle, snd_rawmidi_input_status_t * status)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi || !status)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_INPUT_STATUS, status) < 0)
@ -175,11 +175,11 @@ int snd_rawmidi_input_status(void *handle, snd_rawmidi_input_status_t * status)
return 0;
}
int snd_rawmidi_drain_output(void *handle)
int snd_rawmidi_drain_output(snd_rawmidi_t *handle)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_DRAIN_OUTPUT) < 0)
@ -187,11 +187,11 @@ int snd_rawmidi_drain_output(void *handle)
return 0;
}
int snd_rawmidi_flush_output(void *handle)
int snd_rawmidi_flush_output(snd_rawmidi_t *handle)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_FLUSH_OUTPUT) < 0)
@ -199,11 +199,11 @@ int snd_rawmidi_flush_output(void *handle)
return 0;
}
int snd_rawmidi_flush_input(void *handle)
int snd_rawmidi_flush_input(snd_rawmidi_t *handle)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_FLUSH_INPUT) < 0)
@ -211,12 +211,12 @@ int snd_rawmidi_flush_input(void *handle)
return 0;
}
ssize_t snd_rawmidi_write(void *handle, const void *buffer, size_t size)
ssize_t snd_rawmidi_write(snd_rawmidi_t *handle, const void *buffer, size_t size)
{
snd_rawmidi_t *rmidi;
ssize_t result;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi || (!buffer && size > 0) || size < 0)
return -EINVAL;
result = write(rmidi->fd, buffer, size);
@ -225,12 +225,12 @@ ssize_t snd_rawmidi_write(void *handle, const void *buffer, size_t size)
return result;
}
ssize_t snd_rawmidi_read(void *handle, void *buffer, size_t size)
ssize_t snd_rawmidi_read(snd_rawmidi_t *handle, void *buffer, size_t size)
{
snd_rawmidi_t *rmidi;
ssize_t result;
rmidi = (snd_rawmidi_t *) handle;
rmidi = handle;
if (!rmidi || (!buffer && size > 0) || size < 0)
return -EINVAL;
result = read(rmidi->fd, buffer, size);

138
src/seq/seq.c
View file

@ -38,7 +38,7 @@ typedef struct snd_stru_seq_cell {
struct snd_stru_seq_cell *next;
} snd_seq_cell_t;
typedef struct {
struct snd_seq {
int client; /* client number */
int fd;
/* buffers */
@ -51,9 +51,9 @@ typedef struct {
int cells;
snd_seq_cell_t *head;
snd_seq_cell_t *tail;
} snd_seq_t;
};
int snd_seq_open(void **handle, int mode)
int snd_seq_open(snd_seq_t **handle, int mode)
{
int fd, ver, client, flg;
char filename[32];
@ -108,12 +108,12 @@ int snd_seq_open(void **handle, int mode)
return 0;
}
int snd_seq_close(void *handle)
int snd_seq_close(snd_seq_t *handle)
{
snd_seq_t *seq;
int res;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
res = close(seq->fd) < 0 ? -errno : 0;
@ -121,22 +121,22 @@ int snd_seq_close(void *handle)
return res;
}
int snd_seq_file_descriptor(void *handle)
int snd_seq_file_descriptor(snd_seq_t *handle)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
return seq->fd;
}
int snd_seq_block_mode(void *handle, int enable)
int snd_seq_block_mode(snd_seq_t *handle, int enable)
{
snd_seq_t *seq;
long flags;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
if ((flags = fcntl(seq->fd, F_GETFL)) < 0)
@ -150,21 +150,21 @@ int snd_seq_block_mode(void *handle, int enable)
return 0;
}
int snd_seq_client_id(void *handle)
int snd_seq_client_id(snd_seq_t *handle)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
return seq->client;
}
int snd_seq_system_info(void *handle, snd_seq_system_info_t * info)
int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t * info)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info)
return -EINVAL;
if (ioctl(seq->fd, SND_SEQ_IOCTL_SYSTEM_INFO, info) < 0)
@ -172,21 +172,21 @@ int snd_seq_system_info(void *handle, snd_seq_system_info_t * info)
return 0;
}
int snd_seq_get_client_info(void *handle, snd_seq_client_info_t * info)
int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t * info)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info)
return -EINVAL;
return snd_seq_get_any_client_info(handle, seq->client, info);
}
int snd_seq_get_any_client_info(void *handle, int client, 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)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info || client < 0)
return -EINVAL;
bzero(info, sizeof(snd_seq_client_info_t));
@ -196,11 +196,11 @@ int snd_seq_get_any_client_info(void *handle, int client, snd_seq_client_info_t
return 0;
}
int snd_seq_set_client_info(void *handle, snd_seq_client_info_t * info)
int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t * info)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info)
return -EINVAL;
info->client = seq->client;
@ -210,11 +210,11 @@ int snd_seq_set_client_info(void *handle, snd_seq_client_info_t * info)
return 0;
}
int snd_seq_create_port(void *handle, snd_seq_port_info_t * port)
int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t * port)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !port)
return -EINVAL;
port->client = seq->client;
@ -223,11 +223,11 @@ int snd_seq_create_port(void *handle, snd_seq_port_info_t * port)
return 0;
}
int snd_seq_delete_port(void *handle, snd_seq_port_info_t * port)
int snd_seq_delete_port(snd_seq_t *handle, snd_seq_port_info_t * port)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !port)
return -EINVAL;
port->client = seq->client;
@ -236,21 +236,21 @@ int snd_seq_delete_port(void *handle, snd_seq_port_info_t * port)
return 0;
}
int snd_seq_get_port_info(void *handle, int port, snd_seq_port_info_t * info)
int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t * info)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info || port < 0)
return -EINVAL;
return snd_seq_get_any_port_info(handle, seq->client, port, info);
}
int snd_seq_get_any_port_info(void *handle, int client, int port, snd_seq_port_info_t * info)
int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t * info)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info || client < 0 || port < 0)
return -EINVAL;
bzero(info, sizeof(snd_seq_port_info_t));
@ -261,11 +261,11 @@ int snd_seq_get_any_port_info(void *handle, int client, int port, snd_seq_port_i
return 0;
}
int snd_seq_set_port_info(void *handle, int port, snd_seq_port_info_t * info)
int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t * info)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info || port < 0)
return -EINVAL;
info->port = port;
@ -274,11 +274,11 @@ int snd_seq_set_port_info(void *handle, int port, snd_seq_port_info_t * info)
return 0;
}
int snd_seq_subscribe_port(void *handle, snd_seq_port_subscribe_t * sub)
int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t * sub)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !sub)
return -EINVAL;
if (ioctl(seq->fd, SND_SEQ_IOCTL_SUBSCRIBE_PORT, sub) < 0)
@ -286,11 +286,11 @@ int snd_seq_subscribe_port(void *handle, snd_seq_port_subscribe_t * sub)
return 0;
}
int snd_seq_unsubscribe_port(void *handle, snd_seq_port_subscribe_t * sub)
int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t * sub)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !sub)
return -EINVAL;
if (ioctl(seq->fd, SND_SEQ_IOCTL_UNSUBSCRIBE_PORT, sub) < 0)
@ -298,11 +298,11 @@ int snd_seq_unsubscribe_port(void *handle, snd_seq_port_subscribe_t * sub)
return 0;
}
int snd_seq_get_queue_status(void *handle, int q, snd_seq_queue_status_t * status)
int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t * status)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !status)
return -EINVAL;
bzero(status, sizeof(snd_seq_queue_status_t));
@ -312,11 +312,11 @@ int snd_seq_get_queue_status(void *handle, int q, snd_seq_queue_status_t * statu
return 0;
}
int snd_seq_get_queue_tempo(void *handle, int q, snd_seq_queue_tempo_t * tempo)
int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t * tempo)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !tempo)
return -EINVAL;
bzero(tempo, sizeof(snd_seq_queue_tempo_t));
@ -326,11 +326,11 @@ int snd_seq_get_queue_tempo(void *handle, int q, snd_seq_queue_tempo_t * tempo)
return 0;
}
int snd_seq_set_queue_tempo(void *handle, int q, snd_seq_queue_tempo_t * tempo)
int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t * tempo)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !tempo)
return -EINVAL;
tempo->queue = q;
@ -339,11 +339,11 @@ int snd_seq_set_queue_tempo(void *handle, int q, snd_seq_queue_tempo_t * tempo)
return 0;
}
int snd_seq_get_queue_owner(void *handle, int q, snd_seq_queue_owner_t * owner)
int snd_seq_get_queue_owner(snd_seq_t *handle, int q, snd_seq_queue_owner_t * owner)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !owner)
return -EINVAL;
bzero(owner, sizeof(snd_seq_queue_owner_t));
@ -353,11 +353,11 @@ int snd_seq_get_queue_owner(void *handle, int q, snd_seq_queue_owner_t * owner)
return 0;
}
int snd_seq_set_queue_owner(void *handle, int q, snd_seq_queue_owner_t * owner)
int snd_seq_set_queue_owner(snd_seq_t *handle, int q, snd_seq_queue_owner_t * owner)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !owner)
return -EINVAL;
owner->queue = q;
@ -366,11 +366,11 @@ int snd_seq_set_queue_owner(void *handle, int q, snd_seq_queue_owner_t * owner)
return 0;
}
int snd_seq_get_queue_timer(void *handle, int q, snd_seq_queue_timer_t * timer)
int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t * timer)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !timer)
return -EINVAL;
bzero(timer, sizeof(snd_seq_queue_timer_t));
@ -380,11 +380,11 @@ int snd_seq_get_queue_timer(void *handle, int q, snd_seq_queue_timer_t * timer)
return 0;
}
int snd_seq_set_queue_timer(void *handle, int q, snd_seq_queue_timer_t * timer)
int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t * timer)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !timer)
return -EINVAL;
timer->queue = q;
@ -393,11 +393,11 @@ int snd_seq_set_queue_timer(void *handle, int q, snd_seq_queue_timer_t * timer)
return 0;
}
int snd_seq_get_queue_sync(void *handle, int q, snd_seq_queue_sync_t * sync)
int snd_seq_get_queue_sync(snd_seq_t *handle, int q, snd_seq_queue_sync_t * sync)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !sync)
return -EINVAL;
bzero(sync, sizeof(snd_seq_queue_sync_t));
@ -407,11 +407,11 @@ int snd_seq_get_queue_sync(void *handle, int q, snd_seq_queue_sync_t * sync)
return 0;
}
int snd_seq_set_queue_sync(void *handle, int q, snd_seq_queue_sync_t * sync)
int snd_seq_set_queue_sync(snd_seq_t *handle, int q, snd_seq_queue_sync_t * sync)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !sync)
return -EINVAL;
sync->queue = q;
@ -420,11 +420,11 @@ int snd_seq_set_queue_sync(void *handle, int q, snd_seq_queue_sync_t * sync)
return 0;
}
int snd_seq_get_queue_client(void *handle, int q, snd_seq_queue_client_t * info)
int snd_seq_get_queue_client(snd_seq_t *handle, int q, snd_seq_queue_client_t * info)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info)
return -EINVAL;
bzero(info, sizeof(snd_seq_queue_client_t));
@ -435,11 +435,11 @@ int snd_seq_get_queue_client(void *handle, int q, snd_seq_queue_client_t * info)
return 0;
}
int snd_seq_set_queue_client(void *handle, int q, snd_seq_queue_client_t * info)
int snd_seq_set_queue_client(snd_seq_t *handle, int q, snd_seq_queue_client_t * info)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !info)
return -EINVAL;
info->queue = q;
@ -449,14 +449,14 @@ int snd_seq_set_queue_client(void *handle, int q, snd_seq_queue_client_t * info)
return 0;
}
int snd_seq_alloc_queue(void *handle)
int snd_seq_alloc_queue(snd_seq_t *handle)
{
int i, err;
snd_seq_system_info_t sysinfo;
snd_seq_queue_owner_t owner;
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
if ((err = snd_seq_system_info(handle, &sysinfo))<0)
@ -475,13 +475,13 @@ int snd_seq_alloc_queue(void *handle)
return -EBUSY;
}
int snd_seq_free_queue(void *handle, int q)
int snd_seq_free_queue(snd_seq_t *handle, int q)
{
int err;
snd_seq_t *seq;
snd_seq_queue_owner_t owner;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
if ((err = snd_seq_get_queue_owner(handle, q, &owner))<0)
@ -537,12 +537,12 @@ int snd_seq_event_length(snd_seq_event_t *ev)
return len;
}
int snd_seq_event_output(void *handle, snd_seq_event_t *ev)
int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev)
{
int len;
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq || !ev)
return -EINVAL;
len = snd_seq_event_length(ev);
@ -659,7 +659,7 @@ static int snd_seq_decode_event(char **buf, int *len, snd_seq_event_t *ev)
* Current implementation uses FIFO cache.
*/
int snd_seq_event_input(void *handle, snd_seq_event_t **ev)
int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev)
{
snd_seq_t *seq;
snd_seq_cell_t *cell;
@ -667,7 +667,7 @@ int snd_seq_event_input(void *handle, snd_seq_event_t **ev)
int count;
*ev = NULL;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
if (snd_seq_input_cell_available(seq)) {
@ -705,12 +705,12 @@ int snd_seq_event_input(void *handle, snd_seq_event_t **ev)
return seq->cells;
}
int snd_seq_flush_output(void *handle)
int snd_seq_flush_output(snd_seq_t *handle)
{
snd_seq_t *seq;
int result;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
if (seq->obufused <= 0)
@ -726,22 +726,22 @@ int snd_seq_flush_output(void *handle)
return seq->obufused;
}
int snd_seq_drain_output(void *handle)
int snd_seq_drain_output(snd_seq_t *handle)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
seq->obufused = 0;
return 0;
}
int snd_seq_drain_input(void *handle)
int snd_seq_drain_input(snd_seq_t *handle)
{
snd_seq_t *seq;
seq = (snd_seq_t *) handle;
seq = handle;
if (!seq)
return -EINVAL;
while (snd_seq_input_cell_available(seq))

50
src/timer/timer.c
View file

@ -31,11 +31,11 @@
#define SND_FILE_TIMER "/dev/snd/timer"
#define SND_TIMER_VERSION_MAX SND_PROTOCOL_VERSION( 1, 0, 0 )
typedef struct {
struct snd_timer {
int fd;
} snd_timer_t;
};
int snd_timer_open(void **handle)
int snd_timer_open(snd_timer_t **handle)
{
int fd, ver;
snd_timer_t *tmr;
@ -65,12 +65,12 @@ int snd_timer_open(void **handle)
return 0;
}
int snd_timer_close(void *handle)
int snd_timer_close(snd_timer_t *handle)
{
snd_timer_t *tmr;
int res;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
res = close(tmr->fd) < 0 ? -errno : 0;
@ -78,21 +78,21 @@ int snd_timer_close(void *handle)
return res;
}
int snd_timer_file_descriptor(void *handle)
int snd_timer_file_descriptor(snd_timer_t *handle)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
return tmr->fd;
}
int snd_timer_general_info(void *handle, snd_timer_general_info_t * info)
int snd_timer_general_info(snd_timer_t *handle, snd_timer_general_info_t * info)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !info)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_GINFO, info) < 0)
@ -100,11 +100,11 @@ int snd_timer_general_info(void *handle, snd_timer_general_info_t * info)
return 0;
}
int snd_timer_select(void *handle, snd_timer_select_t * tselect)
int snd_timer_select(snd_timer_t *handle, snd_timer_select_t * tselect)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !tselect)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_SELECT, tselect) < 0)
@ -112,11 +112,11 @@ int snd_timer_select(void *handle, snd_timer_select_t * tselect)
return 0;
}
int snd_timer_info(void *handle, snd_timer_info_t * info)
int snd_timer_info(snd_timer_t *handle, snd_timer_info_t * info)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !info)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_INFO, info) < 0)
@ -124,11 +124,11 @@ int snd_timer_info(void *handle, snd_timer_info_t * info)
return 0;
}
int snd_timer_params(void *handle, snd_timer_params_t * params)
int snd_timer_params(snd_timer_t *handle, snd_timer_params_t * params)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !params)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_PARAMS, params) < 0)
@ -136,11 +136,11 @@ int snd_timer_params(void *handle, snd_timer_params_t * params)
return 0;
}
int snd_timer_status(void *handle, snd_timer_status_t * status)
int snd_timer_status(snd_timer_t *handle, snd_timer_status_t * status)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !status)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_STATUS, status) < 0)
@ -148,11 +148,11 @@ int snd_timer_status(void *handle, snd_timer_status_t * status)
return 0;
}
int snd_timer_start(void *handle)
int snd_timer_start(snd_timer_t *handle)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_START) < 0)
@ -160,11 +160,11 @@ int snd_timer_start(void *handle)
return 0;
}
int snd_timer_stop(void *handle)
int snd_timer_stop(snd_timer_t *handle)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_STOP) < 0)
@ -172,11 +172,11 @@ int snd_timer_stop(void *handle)
return 0;
}
int snd_timer_continue(void *handle)
int snd_timer_continue(snd_timer_t *handle)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_CONTINUE) < 0)
@ -184,12 +184,12 @@ int snd_timer_continue(void *handle)
return 0;
}
ssize_t snd_timer_read(void *handle, void *buffer, size_t size)
ssize_t snd_timer_read(snd_timer_t *handle, void *buffer, size_t size)
{
snd_timer_t *tmr;
ssize_t result;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || (!buffer && size > 0) || size < 0)
return -EINVAL;
result = read(tmr->fd, buffer, size);