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New functions for sequencer:

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- snd_seq_event_output_buffer()
	Outputs an event on buffer without flushing to sequencer.
	Useful for non-blocking mode write.
- snd_seq_event_output_direct()
	Outputs an event directly to sequencer without using buffer.
	Thus the event can be passed even if output buffer is full.
- snd_seq_input_buffer_size(), snd_seq_output_buffer_size()
	Returns the size of input/output buffers
- snd_seq_resize_input_buffer(), snd_seq_resize_output_buffer()
	Changes the size of input/output buffers
This commit is contained in:
Takashi Iwai 2000-03-18 18:03:50 +00:00
parent 80a5582912
commit 43041cbe78
2 changed files with 318 additions and 82 deletions
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7
include/seq.h
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@ -20,6 +20,10 @@ 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_output_buffer_size(snd_seq_t *handle);
int snd_seq_input_buffer_size(snd_seq_t *handle);
int snd_seq_resize_output_buffer(snd_seq_t *handle, int size);
int snd_seq_resize_input_buffer(snd_seq_t *handle, int size);
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);
@ -62,6 +66,9 @@ 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(snd_seq_t *handle, snd_seq_event_t *ev);
int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev);
int snd_seq_event_output_buffer(snd_seq_t *handle, snd_seq_event_t *ev);
int snd_seq_event_output_direct(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_event_input_pending(snd_seq_t *seq, int fetch_sequencer);
int snd_seq_event_input_selective(snd_seq_t *seq, snd_seq_event_t **ev, int type, int blocking);