Update timestamp types in CycleTimer class to be signed

1 files changed, 11 insertions, 10 deletions

diff --git a/libs/backends/portaudio/cycle_timer.h b/libs/backends/portaudio/cycle_timer.h
index 95811ae1ca..6fe665568c 100644
--- a/libs/backends/portaudio/cycle_timer.h
+++ b/libs/backends/portaudio/cycle_timer.h
@@ -55,7 +55,7 @@ public:
 
 	// rint?? that may round to sample outside of cycle?
 	// max(0, value)?
-	uint32_t samples_since_cycle_start (uint64_t timer_val) const
+	uint32_t samples_since_cycle_start (int64_t timer_val) const
 	{
 		if (timer_val < m_cycle_start) {
 			return 0;
@@ -63,38 +63,39 @@ public:
 		return std::max((double)0, (timer_val - get_start ()) / get_sample_length_us ());
 	}
 
-	uint64_t timestamp_from_sample_offset (uint32_t sample_offset)
+	int64_t timestamp_from_sample_offset (uint32_t sample_offset)
 	{
 		return m_cycle_start + get_sample_length_us () * sample_offset;
 	}
 
 	bool valid () const { return m_samples_per_cycle && m_samplerate; }
 
-	bool in_cycle (uint64_t timer_value_us) const
-	{ return (timer_value_us >= get_start()) && (timer_value_us < get_next_start());
+	bool in_cycle(int64_t timer_value_us) const
+	{
+		return (timer_value_us >= get_start()) && (timer_value_us < get_next_start());
 	}
 
-	void reset_start (uint64_t timestamp) { m_cycle_start = timestamp; }
+	void reset_start (int64_t timestamp) { m_cycle_start = timestamp; }
 
-	uint64_t get_start () const { return m_cycle_start; }
+	int64_t get_start () const { return m_cycle_start; }
 
-	uint64_t microseconds_since_start (uint64_t timestamp) const
+	int64_t microseconds_since_start (int64_t timestamp) const
 	{
 		return timestamp - m_cycle_start;
 	}
 
-	uint64_t microseconds_since_start (uint32_t samples) const
+	int64_t microseconds_since_start (uint32_t samples) const
 	{
 		return m_cycle_start + samples * get_sample_length_us ();
 	}
 
-	uint64_t get_next_start () const
+	int64_t get_next_start () const
 	{
 		return m_cycle_start + rint (get_length_us ());
 	}
 
 private:
-	uint64_t m_cycle_start;
+	int64_t m_cycle_start;
 
 	uint32_t m_samplerate;
 	uint32_t m_samples_per_cycle;