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ALSA project - the C library reference
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#include <pcm.h>
Data Fields | |
| int(* | enable )(snd_pcm_scope_t *scope) |
| Enable and prepare it using current params. | |
| void(* | disable )(snd_pcm_scope_t *scope) |
| Disable. | |
| void(* | start )(snd_pcm_scope_t *scope) |
| PCM has been started. | |
| void(* | stop )(snd_pcm_scope_t *scope) |
| PCM has been stopped. | |
| void(* | update )(snd_pcm_scope_t *scope) |
| New frames are present. | |
| void(* | reset )(snd_pcm_scope_t *scope) |
| Reset status. | |
| void(* | close )(snd_pcm_scope_t *scope) |
| PCM is closing. | |
SND_PCM_TYPE_METER scope functions
| void(* snd_pcm_scope_ops_t::close) (snd_pcm_scope_t *scope) |
PCM is closing.
| scope | scope handle |
| void(* snd_pcm_scope_ops_t::disable) (snd_pcm_scope_t *scope) |
Disable.
| scope | scope handle |
| int(* snd_pcm_scope_ops_t::enable) (snd_pcm_scope_t *scope) |
Enable and prepare it using current params.
| scope | scope handle |
| void(* snd_pcm_scope_ops_t::reset) (snd_pcm_scope_t *scope) |
Reset status.
| scope | scope handle |
| void(* snd_pcm_scope_ops_t::start) (snd_pcm_scope_t *scope) |
PCM has been started.
| scope | scope handle |
| void(* snd_pcm_scope_ops_t::stop) (snd_pcm_scope_t *scope) |
PCM has been stopped.
| scope | scope handle |
| void(* snd_pcm_scope_ops_t::update) (snd_pcm_scope_t *scope) |
New frames are present.
| scope | scope handle |