From d37742b4103b57036b23678fff9f90fedb7ffbfc Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Sat, 30 Jan 2021 19:45:17 +0100
Subject: [PATCH] pulse-server: handle prebuf better

prebuf == 0 should keep the read pointer updating
prebuf > 0 should pause
---
 src/modules/module-protocol-pulse/pulse-server.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/modules/module-protocol-pulse/pulse-server.c b/src/modules/module-protocol-pulse/pulse-server.c
index 019efe60d..3de1423df 100644
--- a/src/modules/module-protocol-pulse/pulse-server.c
+++ b/src/modules/module-protocol-pulse/pulse-server.c
@@ -1569,9 +1569,12 @@ static void stream_process(void *data)
 				pw_stream_flush(stream->stream, true);
 			} else {
 				pd.underrun_for = size;
-				pd.playing_for = size;
 				pd.underrun = true;
 			}
+			if (stream->attr.prebuf == 0) {
+				pd.read_index += size;
+				spa_ringbuffer_read_update(&stream->ring, pd.read_index);
+			}
 		} else {
 			if (avail > (int32_t)stream->attr.maxlength) {
 				/* overrun, reported by other side, here we skip