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Added rewind to API in place of appl_ptr(). Moved aserver to a better place

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This commit is contained in:
Abramo Bagnara 2000-09-26 09:46:05 +00:00
parent b38376b91f
commit fe92855cbb
17 changed files with 98 additions and 72 deletions
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26
src/pcm/pcm_plugin.c
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@ -154,10 +154,28 @@ int snd_pcm_plugin_pause(snd_pcm_t *pcm, int enable)
return snd_pcm_pause(plugin->slave, enable);
}
ssize_t snd_pcm_plugin_appl_ptr(snd_pcm_t *pcm, off_t offset)
ssize_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, size_t frames)
{
/* FIXME */
return -ENOSYS;
snd_pcm_plugin_t *plugin = pcm->private;
ssize_t n = pcm->setup.buffer_size - snd_pcm_mmap_avail(pcm);
if (n > 0) {
if ((size_t)n > frames)
n = frames;
snd_pcm_mmap_appl_backward(pcm, n);
frames -= n;
}
if (frames > 0) {
ssize_t err = snd_pcm_rewind(plugin->slave, frames);
if (err < 0) {
if (n > 0)
return n;
return err;
}
if (plugin->client_frames)
err = plugin->client_frames(pcm, err);
n += err;
}
return n;
}
ssize_t snd_pcm_plugin_writei(snd_pcm_t *pcm, const void *buffer, size_t size)
@ -381,7 +399,7 @@ struct snd_pcm_fast_ops snd_pcm_plugin_fast_ops = {
stop: snd_pcm_plugin_stop,
flush: snd_pcm_plugin_flush,
pause: snd_pcm_plugin_pause,
appl_ptr: snd_pcm_plugin_appl_ptr,
rewind: snd_pcm_plugin_rewind,
writei: snd_pcm_plugin_writei,
writen: snd_pcm_plugin_writen,
readi: snd_pcm_plugin_readi,