From: Jaroslav Kysela <perex@perex.cz>
Date: Fri, 1 Mar 2019 11:43:19 +0000 (+0100)
Subject: test/latency: use frame bytes correctly in writebuf()
X-Git-Tag: v1.1.9~21
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=deb07a0b208225393efc6347556310f3d8adb54d;p=alsa-lib.git

test/latency: use frame bytes correctly in writebuf()

Reported-by: Alessandro Lapini <alessandro.lapini@gmail.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/test/latency.c b/test/latency.c
index e926856b..ddd5a7af 100644
--- a/test/latency.c
+++ b/test/latency.c
@@ -374,6 +374,7 @@ long readbuf(snd_pcm_t *handle, char *buf, long len, size_t *frames, size_t *max
 long writebuf(snd_pcm_t *handle, char *buf, long len, size_t *frames)
 {
 	long r;
+	int frame_bytes = (snd_pcm_format_width(format) / 8) * channels;
 
 	while (len > 0) {
 		r = snd_pcm_writei(handle, buf, len);
@@ -383,7 +384,7 @@ long writebuf(snd_pcm_t *handle, char *buf, long len, size_t *frames)
 		if (r < 0)
 			return r;
 		// showstat(handle, 0);
-		buf += r * 4;
+		buf += r * frame_bytes;
 		len -= r;
 		*frames += r;
 	}