added getBufferSize function for alsa out

2 files changed, 6 insertions, 0 deletions

diff --git a/drumgizmo/output/alsa.cc b/drumgizmo/output/alsa.cc
index f340c30..465b006 100644
--- a/drumgizmo/output/alsa.cc
+++ b/drumgizmo/output/alsa.cc
@@ -187,6 +187,11 @@ void AlsaOutputEngine::post(size_t nsamples)
 	snd_pcm_writei(handle, data.data(), nsamples);
 }
 
+size_t AlsaOutputEngine::getBufferSize() const
+{
+	return frames;
+}
+
 size_t AlsaOutputEngine::getSamplerate() const
 {
 	return srate;
diff --git a/drumgizmo/output/alsa.h b/drumgizmo/output/alsa.h
index 56011b6..7a7a315 100644
--- a/drumgizmo/output/alsa.h
+++ b/drumgizmo/output/alsa.h
@@ -49,6 +49,7 @@ public:
 	void pre(size_t nsamples) override;
 	void run(int ch, sample_t* samples, size_t nsamples) override;
 	void post(size_t nsamples) override;
+	size_t getBufferSize() const override;
 	size_t getSamplerate() const override;
 	bool isFreewheeling() const override;