From d5d5ebb0b31998045426f544104c7e20c08b7135 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sun, 7 Jan 2018 18:32:12 +0900
Subject: [PATCH] clock: Make ProceedAudioTimer take a number of frames

---
 audio/audio.go          | 5 +----
 internal/clock/clock.go | 6 +++---
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/audio/audio.go b/audio/audio.go
index 8c818b0b7..0471ae3c7 100644
--- a/audio/audio.go
+++ b/audio/audio.go
@@ -260,10 +260,7 @@ func (c *Context) loop() {
 
 		written += int64(n)
 		fs := written/int64(bytesPerFrame) - prevWritten/int64(bytesPerFrame)
-		for fs > 0 {
-			clock.ProceedAudioTimer()
-			fs--
-		}
+		clock.ProceedAudioTimer(fs)
 		prevWritten = written
 	}
 }
diff --git a/internal/clock/clock.go b/internal/clock/clock.go
index df129507b..1b97f61f1 100644
--- a/internal/clock/clock.go
+++ b/internal/clock/clock.go
@@ -66,10 +66,10 @@ func RegisterPing(pingFunc func()) {
 	m.Unlock()
 }
 
-// ProceedAudioTimer increments the audio time by a frame.
-func ProceedAudioTimer() {
+// ProceedAudioTimer increments the audio time by the given number of frames.
+func ProceedAudioTimer(num int64) {
 	m.Lock()
-	audioTimeInFrames++
+	audioTimeInFrames += num
 	m.Unlock()
 }