diff options
Diffstat (limited to 'alsa/src')
| -rw-r--r-- | alsa/src/runnable.rs | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/alsa/src/runnable.rs b/alsa/src/runnable.rs index 5ff2e62..d307a23 100644 --- a/alsa/src/runnable.rs +++ b/alsa/src/runnable.rs @@ -45,10 +45,11 @@ impl<'r> AlsaVolumeRunnable<'r> { unsafe { snd_mixer_set_callback(mixer.handle, Some(Self::mixer_callback)) }; unsafe { snd_mixer_set_callback_private(mixer.handle, &mixer_scratch_space as *const MixerScratchSpace as *const c_void)}; load_mixer(mixer.handle)?; + //send an update right now. Loading the mixer could already have given us data to show. + self.send_updated_values_to_main(mixer_scratch_space.elem_scratch.borrow().clone()).expect("Tried to update main thread, but it seems to be gone?"); - let mut should_update_main_even_if_unchanged = true; loop { - + let mut should_update_main_even_if_unchanged = false; let descriptor_count = unsafe{snd_mixer_poll_descriptors_count(mixer.handle)}; if descriptor_count < 0 { return Err(AlsaVolumeError::FailedToGetPollDescriptors); @@ -111,7 +112,6 @@ impl<'r> AlsaVolumeRunnable<'r> { if new_values != old_values || should_update_main_even_if_unchanged { self.send_updated_values_to_main(new_values).expect("Tried to update main thread, but it seems to be gone?"); } - should_update_main_even_if_unchanged = false; } } @@ -405,4 +405,4 @@ extern "C" { //int snd_mixer_handle_events ( snd_mixer_t * mixer ) fn snd_mixer_handle_events(mixer : SndMixerHandle) -> c_int; -}
\ No newline at end of file +} |