/builddir/build/BUILD/alsa-lib-1.0.22/src/pcm/pcm_file.c File Reference
PCM File Plugin Interface.
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Functions |
int | snd_pcm_file_open (snd_pcm_t **pcmp, const char *name, const char *fname, int fd, const char *ifname, int ifd, int trunc, const char *fmt, int perm, snd_pcm_t *slave, int close_slave) |
| Creates a new File PCM.
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int | _snd_pcm_file_open (snd_pcm_t **pcmp, const char *name, snd_config_t *root, snd_config_t *conf, snd_pcm_stream_t stream, int mode) |
| Creates a new File PCM.
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Detailed Description
PCM File Plugin Interface.
- Author:
- Abramo Bagnara <abramo@alsa-project.org>
- Date:
- 2000-2001
Function Documentation
Creates a new File PCM.
- Parameters:
-
| pcmp | Returns created PCM handle |
| name | Name of PCM |
| root | Root configuration node |
| conf | Configuration node with File PCM description |
| stream | Stream type |
| mode | Stream mode |
- Return values:
-
| zero | on success otherwise a negative error code |
- Warning:
- Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.
int snd_pcm_file_open |
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snd_pcm_t ** |
pcmp, |
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const char * |
name, |
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const char * |
fname, |
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int |
fd, |
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const char * |
ifname, |
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int |
ifd, |
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int |
trunc, |
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const char * |
fmt, |
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int |
perm, |
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snd_pcm_t * |
slave, |
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int |
close_slave | |
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) |
| | |
Creates a new File PCM.
- Parameters:
-
| pcmp | Returns created PCM handle |
| name | Name of PCM |
| fname | Output filename (or NULL if file descriptor fd is available) |
| fd | Output file descriptor |
| ifname | Input filename (or NULL if file descriptor ifd is available) |
| ifd | Input file descriptor (if (ifd < 0) && (ifname == NULL), no input redirection will be performed) |
| trunc | Truncate the file if it already exists |
| fmt | File format ("raw" or "wav" are available) |
| perm | File permission |
| slave | Slave PCM handle |
| close_slave | When set, the slave PCM handle is closed with copy PCM |
- Return values:
-
| zero | on success otherwise a negative error code |
- Warning:
- Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.