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Added mmap_control access function. Converted static checks in asserts. Uniformed avail functions to kernel code

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This commit is contained in:
Abramo Bagnara 2000-06-04 13:13:01 +00:00
parent f11e203d6e
commit ef2a9bdd88
6 changed files with 239 additions and 359 deletions
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11
include/pcm.h
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@ -112,10 +112,14 @@ int snd_pcm_capture_flush(snd_pcm_t *handle);
int snd_pcm_stream_flush(snd_pcm_t *handle, int stream);
int snd_pcm_playback_pause(snd_pcm_t *handle, int enable);
int snd_pcm_stream_pause(snd_pcm_t *handle, int stream, int enable);
ssize_t snd_pcm_transfer_size(snd_pcm_t *handle, int stream);
int snd_pcm_stream_state(snd_pcm_t *handle, int stream);
int snd_pcm_mmap_stream_state(snd_pcm_t *handle, int stream);
ssize_t snd_pcm_stream_byte_io(snd_pcm_t *handle, int stream, int update);
ssize_t snd_pcm_mmap_stream_byte_io(snd_pcm_t *handle, int stream);
ssize_t snd_pcm_stream_byte_data(snd_pcm_t *handle, int stream);
ssize_t snd_pcm_mmap_stream_byte_data(snd_pcm_t *handle, int stream);
ssize_t snd_pcm_stream_seek(snd_pcm_t *pcm, int stream, off_t offset);
ssize_t snd_pcm_mmap_stream_seek(snd_pcm_t *pcm, int stream, off_t offset);
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);
ssize_t snd_pcm_writev(snd_pcm_t *pcm, const struct iovec *vector, unsigned long count);
@ -137,11 +141,9 @@ ssize_t snd_pcm_mmap_write(snd_pcm_t *handle, const void *buffer, size_t size);
ssize_t snd_pcm_mmap_read(snd_pcm_t *handle, void *buffer, size_t size);
ssize_t snd_pcm_mmap_writev(snd_pcm_t *pcm, const struct iovec *vector, unsigned long count);
ssize_t snd_pcm_mmap_readv(snd_pcm_t *pcm, const struct iovec *vector, unsigned long count);
int snd_pcm_mmap_frames_used(snd_pcm_t *pcm, int stream, ssize_t *frames);
int snd_pcm_mmap_frames_free(snd_pcm_t *pcm, int stream, ssize_t *frames);
int snd_pcm_mmap_frames_avail(snd_pcm_t *pcm, int stream, ssize_t *frames);
ssize_t snd_pcm_mmap_frames_xfer(snd_pcm_t *pcm, int stream, size_t frames);
ssize_t snd_pcm_mmap_frames_offset(snd_pcm_t *pcm, int stream);
int snd_pcm_mmap_commit_frames(snd_pcm_t *pcm, int stream, int frames);
ssize_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm, snd_pcm_channel_area_t *channels, size_t frames);
ssize_t snd_pcm_mmap_write_frames(snd_pcm_t *pcm, const void *buffer, size_t frames);
ssize_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm, snd_pcm_channel_area_t *channels, size_t frames);
@ -161,6 +163,7 @@ int snd_pcm_areas_copy(const snd_pcm_channel_area_t *src_channels, size_t src_of
const snd_pcm_channel_area_t *dst_channels, size_t dst_offset,
size_t vcount, size_t frames, int format);
/* misc */
int snd_pcm_format_signed(int format);