alsa_out.patch

diff --git a/example-clients/alsa_out.c b/example-clients/alsa_out.c
index fbfc3dd..c8931ed 100644
--- a/example-clients/alsa_out.c
+++ b/example-clients/alsa_out.c
@@ -375,7 +375,7 @@ int process (jack_nframes_t nframes, void *arg) {
        for( i=0; i<smooth_size; i++ )
                offset_array[i] = 0.0;
     }
-    if( delay < (target_delay-max_diff) ) {
+    if( delay < (target_delay-max_diff) && tmpbuf ) {

        output_new_delay = (int) delay;

@@ -450,8 +450,10 @@ int process (jack_nframes_t nframes, void *arg) {
      */

     outbuf = alloca( rlen * formats[format].sample_size * num_channels );
+    memset(outbuf,0, rlen * formats[format].sample_size * num_channels );

     resampbuf = alloca( rlen * sizeof( float ) );
+    memset(resampbuf,0,  rlen * sizeof( float ) );
     /*
      * render jack ports to the outbuf...
      */
@@ -460,6 +462,7 @@ int process (jack_nframes_t nframes, void *arg) {
     JSList *node = playback_ports;
     JSList *src_node = playback_srcs;
     SRC_DATA src;
+    src.output_frames_gen = rlen;

     while ( node != NULL)
     {
@@ -790,6 +793,9 @@ int main (int argc, char *argv[]) {
     outbuf = malloc( num_periods * period_size * formats[format].sample_size * num_channels );
     resampbuf = malloc( num_periods * period_size * sizeof( float ) );
     tmpbuf = malloc( 512 * formats[format].sample_size * num_channels );
+    memset(tmpbuf,0, 512 * formats[format].sample_size * num_channels );
+    memset(outbuf,0, num_periods * period_size * formats[format].sample_size * num_channels );
+    memset(resampbuf,0, num_periods * period_size * sizeof( float ) );

     if ((outbuf == NULL) || (resampbuf == NULL) || (tmpbuf == NULL))
     {