mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-10-29 05:40:25 -04:00
63f5a79562
- removed mmap control device - reordered pcm shared and not shared code - changed O_WRONLY oss pcm modifier in a more symmetric and elegant way - changed slightly control interface - added snd-debug-check - uniformed null pointer check - fixed a typo in linear plugin
74 lines
4 KiB
C
74 lines
4 KiB
C
/****************************************************************************
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* *
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* control.h *
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* Control Interface *
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* *
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****************************************************************************/
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typedef struct snd_ctl_callbacks {
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void *private_data; /* should be used by an application */
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void (*rebuild) (void *private_data);
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void (*xswitch) (void *private_data, int cmd, int iface, snd_switch_list_item_t *item);
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void *reserved[29]; /* reserved for the future use - must be NULL!!! */
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} snd_ctl_callbacks_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct snd_ctl snd_ctl_t;
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int snd_card_load(int card);
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int snd_cards(void);
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unsigned int snd_cards_mask(void);
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int snd_card_name(const char *name);
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int snd_card_get_name(int card, char **name);
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int snd_card_get_longname(int card, char **name);
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int snd_defaults_card(void);
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int snd_defaults_mixer_card(void);
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int snd_defaults_mixer_device(void);
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int snd_defaults_pcm_card(void);
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int snd_defaults_pcm_device(void);
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int snd_defaults_rawmidi_card(void);
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int snd_defaults_rawmidi_device(void);
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int snd_ctl_open(snd_ctl_t **handle, int card);
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int snd_ctl_close(snd_ctl_t *handle);
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int snd_ctl_file_descriptor(snd_ctl_t *handle);
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int snd_ctl_hw_info(snd_ctl_t *handle, struct snd_ctl_hw_info *info);
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int snd_ctl_switch_list(snd_ctl_t *handle, snd_switch_list_t * list);
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int snd_ctl_switch_read(snd_ctl_t *handle, snd_switch_t * sw);
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int snd_ctl_switch_write(snd_ctl_t *handle, snd_switch_t * sw);
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int snd_ctl_hwdep_info(snd_ctl_t *handle, int dev, snd_hwdep_info_t * info);
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int snd_ctl_pcm_info(snd_ctl_t *handle, int dev, snd_pcm_info_t * info);
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int snd_ctl_pcm_channel_info(snd_ctl_t *handle, int dev, int channel, int subdev, snd_pcm_channel_info_t * info);
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int snd_ctl_pcm_channel_prefer_subdevice(snd_ctl_t *handle, int dev, int channel, int subdev);
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int snd_ctl_pcm_channel_switch_list(snd_ctl_t *handle, int dev, int channel, snd_switch_list_t * list);
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int snd_ctl_pcm_playback_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t * list);
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int snd_ctl_pcm_capture_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t * list);
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int snd_ctl_pcm_channel_switch_read(snd_ctl_t *handle, int dev, int channel, snd_switch_t * sw);
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int snd_ctl_pcm_playback_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_pcm_capture_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_pcm_channel_switch_write(snd_ctl_t *handle, int dev, int channel, snd_switch_t * sw);
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int snd_ctl_pcm_playback_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_pcm_capture_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_mixer_info(snd_ctl_t *handle, int dev, snd_mixer_info_t * info);
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int snd_ctl_mixer_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list);
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int snd_ctl_mixer_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_mixer_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_rawmidi_info(snd_ctl_t *handle, int dev, snd_rawmidi_info_t * info);
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int snd_ctl_rawmidi_output_info(snd_ctl_t *handle, int dev, snd_rawmidi_output_info_t * info);
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int snd_ctl_rawmidi_input_info(snd_ctl_t *handle, int dev, snd_rawmidi_input_info_t * info);
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int snd_ctl_rawmidi_output_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list);
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int snd_ctl_rawmidi_output_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_rawmidi_output_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_rawmidi_input_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list);
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int snd_ctl_rawmidi_input_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_rawmidi_input_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw);
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int snd_ctl_read(snd_ctl_t *handle, snd_ctl_callbacks_t * callbacks);
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#ifdef __cplusplus
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}
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#endif
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