diff options
| author | Guodong Hu <quic_guodhu@quicinc.com> | 2023-08-15 13:37:26 +0800 |
|---|---|---|
| committer | Guodong Hu <quic_guodhu@quicinc.com> | 2023-09-04 13:15:03 +0800 |
| commit | bc3af517534346742a2e753f753a0ad21f51513b (patch) | |
| tree | d8f0fabf18bb5338c21819d8b1669c1031eccb2e /include | |
| parent | 7c467a1179cca66bb65a4a04f889319e4bfb9b3e (diff) | |
Support pcm drain ops
Signed-off-by: Guodong Hu <quic_guodhu@quicinc.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/tinyalsa/pcm.h | 2 | ||||
| -rw-r--r-- | include/tinyalsa/plugin.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/include/tinyalsa/pcm.h b/include/tinyalsa/pcm.h index 9fca92d..35318a5 100644 --- a/include/tinyalsa/pcm.h +++ b/include/tinyalsa/pcm.h @@ -361,6 +361,8 @@ int pcm_prepare(struct pcm *pcm); int pcm_start(struct pcm *pcm); +int pcm_drain(struct pcm *pcm); + int pcm_stop(struct pcm *pcm); int pcm_wait(struct pcm *pcm, int timeout); diff --git a/include/tinyalsa/plugin.h b/include/tinyalsa/plugin.h index b2f97b9..055734c 100644 --- a/include/tinyalsa/plugin.h +++ b/include/tinyalsa/plugin.h @@ -124,7 +124,10 @@ struct pcm_plugin_ops { int (*prepare) (struct pcm_plugin *plugin); /** Start data transfer from/to the plugin */ int (*start) (struct pcm_plugin *plugin); - /** Drop pcm frames */ + /** Signal the plugin to drain PCM */ + int (*drain) (struct pcm_plugin *plugin); + /** Stop a PCM dropping pending frames if drain() is NOT called. + * Stop a PCM preserving pending frames if drain() is called. */ int (*drop) (struct pcm_plugin *plugin); /** Any custom or alsa specific ioctl implementation */ int (*ioctl) (struct pcm_plugin *plugin, |