X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=bmusb%2Ffake_capture.h;h=17982ea50e6d0ff3071f6d01f9240ede4e9ed993;hb=e0837a17b5a497476d67237c768836e51f8a4ce7;hp=48dca063ae7d6b18e21e3554478b4aa1532f1000;hpb=0d48ad939040ec561e67ab2329e3961843b3cf74;p=bmusb

diff --git a/bmusb/fake_capture.h b/bmusb/fake_capture.h
index 48dca06..17982ea 100644
--- a/bmusb/fake_capture.h
+++ b/bmusb/fake_capture.h
@@ -12,7 +12,7 @@ namespace bmusb {
 class FakeCapture : public CaptureInterface
 {
 public:
-	FakeCapture(unsigned width, unsigned height, unsigned fps, unsigned audio_frequency, int card_index);
+	FakeCapture(unsigned width, unsigned height, unsigned fps, unsigned audio_sample_frequency, int card_index, bool has_audio = false);
 	~FakeCapture();
 
 	// CaptureInterface.
@@ -79,10 +79,17 @@ public:
 
 private:
 	void producer_thread_func();
+	void make_tone(int32_t *out, unsigned num_stereo_samples);
 
-	unsigned width, height, fps, audio_frequency;
+	unsigned width, height, fps, audio_sample_frequency;
 	uint8_t y, cb, cr;
 
+	// sin(2 * pi * f / F) and similar for cos. Used for fast sine generation.
+	// Zero when no audio.
+	float audio_sin = 0.0f, audio_cos = 0.0f;
+	float audio_real = 0.0f, audio_imag = 0.0f;  // Current state of the audio phaser.
+	float audio_ref_level;
+
 	bool has_dequeue_callbacks = false;
 	std::function<void()> dequeue_init_callback = nullptr;
 	std::function<void()> dequeue_cleanup_callback = nullptr;