src/modules/module-loopback.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
New commits:
commit c7310f8e379915b42579adb3f5288f5bcb09ba8f
Author: Alexander E. Patrakov <patra...@gmail.com>
Date: Sat Sep 12 19:27:56 2015 +0500
loopback: Fix the obviously-wrong "buffer+=buffer" logic
Originally pointed out by Georg Chini.
Calculating buffer = buffer + (send_counter - recv_counter)
in one branch and buffer = 2 * buffer - (recv_counter - send_counter)
looks very obviously wrong. In other words, before the patch, the
contribution from the previous lines was double-counted.
diff --git a/src/modules/module-loopback.c b/src/modules/module-loopback.c
index 3b0d68d..0af3937 100644
--- a/src/modules/module-loopback.c
+++ b/src/modules/module-loopback.c
@@ -186,7 +186,7 @@ static void adjust_rates(struct userdata *u) {
if (u->latency_snapshot.recv_counter <= u->latency_snapshot.send_counter)
buffer += (size_t) (u->latency_snapshot.send_counter -
u->latency_snapshot.recv_counter);
else
- buffer += PA_CLIP_SUB(buffer, (size_t)
(u->latency_snapshot.recv_counter - u->latency_snapshot.send_counter));
+ buffer = PA_CLIP_SUB(buffer, (size_t)
(u->latency_snapshot.recv_counter - u->latency_snapshot.send_counter));
buffer_latency = pa_bytes_to_usec(buffer, &u->sink_input->sample_spec);
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