diff options
| author | John Grossman <johngro@google.com> | 2011-07-21 10:59:55 -0700 |
|---|---|---|
| committer | Simon Wilson <simonwilson@google.com> | 2011-07-27 14:59:56 -0700 |
| commit | 3bb114a6459c78ea4e7d2f84568361430f26ff20 (patch) | |
| tree | c70ebb8db726110287cf163dcbe55e982fab73dd /include | |
| parent | ee99f213b29297b1016bc6210c16085c0b3068de (diff) | |
pcm: add control for ASLA thresholds to pcm_open
Add the ability to explicitly set start, stop and silence thresholds during
tinyalsa's pcm_open. Setting any of these values to 0 in your pcm_config
structure will cause the system to use its old defaults.
Diffstat (limited to 'include')
| -rw-r--r-- | include/tinyalsa/asoundlib.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/tinyalsa/asoundlib.h b/include/tinyalsa/asoundlib.h index 8395766..2e8c3e0 100644 --- a/include/tinyalsa/asoundlib.h +++ b/include/tinyalsa/asoundlib.h @@ -59,6 +59,18 @@ struct pcm_config { unsigned int period_size; unsigned int period_count; enum pcm_format format; + + /* Values to use for the ALSA start, stop and silence thresholds. Setting + * any one of these values to 0 will cause the default tinyalsa values to be + * used instead. Tinyalsa defaults are as follows. + * + * start_threshold : period_count * period_size + * stop_threshold : period_count * period_size + * silence_threshold : 0 + */ + unsigned int start_threshold; + unsigned int stop_threshold; + unsigned int silence_threshold; }; /* Mixer control types */ |