From: Jörn Nettingsmeier <nettings@luchtbeweging.nl>
Date: Fri, 15 Feb 2019 16:51:17 +0000 (+0000)
Subject: NOP: comment flush implementation
X-Git-Tag: 3.3RC0~52^2~37
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6104c580f8ba3db54b025fa27887e7076413765d;p=thirdparty%2Fshairport-sync.git

NOP: comment flush implementation
---

diff --git a/audio_jack.c b/audio_jack.c
index 23331e53..919b0d6a 100644
--- a/audio_jack.c
+++ b/audio_jack.c
@@ -180,8 +180,10 @@ int jack_stream_write_cb(jack_nframes_t nframes, __attribute__((unused)) void *a
   int frames_required = 0;
 
   if (flush_please) {
+    // we just move the read pointer ahead without doing anything with the data.
     jack_ringbuffer_read_advance(jackbuf, jack_ringbuffer_read_space(jackbuf));
     flush_please = 0;
+    // since we don't change nframes, the whole buffer will be zeroed later.
   } else {
     jack_ringbuffer_get_read_vector(jackbuf, v); // an array of two elements because of possible ringbuffer wrap-around
     for (i=0; i<2; i++) {