add test program for pa_rtpoll

[pulseaudio] / src / modules / module-jack-sink.c

diff --git a/src/modules/module-jack-sink.c b/src/modules/module-jack-sink.c
index 6175536c88a8b19d0621969b438cb0456d979885..1092aed813b54ebd2006022c477509a2b270623c 100644 (file)
--- a/src/modules/module-jack-sink.c
+++ b/src/modules/module-jack-sink.c
@@ -3,6 +3,8 @@
 /***
   This file is part of PulseAudio.
 
+  Copyright 2006 Lennart Poettering
+
   PulseAudio is free software; you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation; either version 2 of the License,
@@ -135,22 +137,25 @@ static void io_event_cb(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event_
         unsigned fs;
         jack_nframes_t frame_idx;
         pa_memchunk chunk;
+        void *p;
 
         fs = pa_frame_size(&u->sink->sample_spec);
 
         pa_sink_render_full(u->sink, u->frames_requested * fs, &chunk);
+        p = pa_memblock_acquire(chunk.memblock);
 
         for (frame_idx = 0; frame_idx < u->frames_requested; frame_idx ++) {
             unsigned c;
 
             for (c = 0; c < u->channels; c++) {
-                float *s = ((float*) ((uint8_t*) chunk.memblock->data + chunk.index)) + (frame_idx * u->channels) + c;
+                float *s = ((float*) ((uint8_t*) p + chunk.index)) + (frame_idx * u->channels) + c;
                 float *d = ((float*) u->buffer[c]) + frame_idx;
 
                 *d = *s;
             }
         }
 
+        pa_memblock_release(chunk.memblock);
         pa_memblock_unref(chunk.memblock);
 
         u->frames_requested = 0;