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-rw-r--r--NEWS1
-rw-r--r--src/output/jack_output_plugin.c13
2 files changed, 14 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index a87022039..a7bd652b4 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,7 @@ ver 0.16.8 (2012/??/??)
- vorbis (and others): fix seeking at startup
- ffmpeg: read the "year" tag
* output:
+ - jack: workaround for libjack1 crash bug
- osx: fix stuttering due to buffering bug
* fix endless loop in text file reader
* update: skip symlinks in path that is to be updated
diff --git a/src/output/jack_output_plugin.c b/src/output/jack_output_plugin.c
index 2767d4eb8..bc13c2f85 100644
--- a/src/output/jack_output_plugin.c
+++ b/src/output/jack_output_plugin.c
@@ -143,6 +143,13 @@ mpd_jack_process(jack_nframes_t nframes, void *arg)
for (unsigned i = 0; i < jd->audio_format.channels; ++i) {
out = jack_port_get_buffer(jd->ports[i], nframes);
+ if (out == NULL)
+ /* workaround for libjack1 bug: if the server
+ connection fails, the process callback is
+ invoked anyway, but unable to get a
+ buffer */
+ continue;
+
jack_ringbuffer_read(jd->ringbuffer[i],
(char *)out, available * jack_sample_size);
@@ -156,6 +163,12 @@ mpd_jack_process(jack_nframes_t nframes, void *arg)
for (unsigned i = jd->audio_format.channels;
i < jd->num_source_ports; ++i) {
out = jack_port_get_buffer(jd->ports[i], nframes);
+ if (out == NULL)
+ /* workaround for libjack1 bug: if the server
+ connection fails, the process callback is
+ invoked anyway, but unable to get a
+ buffer */
+ continue;
for (jack_nframes_t f = 0; f < nframes; ++f)
out[f] = 0.0;