aacdec: detect buffer overrun and return an errror.
[paraslash.git] / compress.c
index b4e4c40..936ddc3 100644 (file)
@@ -25,6 +25,7 @@
 #include "para.h"
 #include "compress_filter.cmdline.h"
 #include "list.h"
+#include "sched.h"
 #include "filter.h"
 #include "string.h"
 
@@ -67,8 +68,8 @@ static ssize_t compress(char *inbuf, size_t inbuf_len, struct filter_node *fn)
                                >> gain_shift;
                        if (unlikely(adjusted_sample > 32767)) {
                                adjusted_sample = 32767;
-                               pcd->current_gain = (pcd->current_gain +
-                                       (1 << pcd->conf->inertia_arg)) / 2;
+                               pcd->current_gain = (3 * pcd->current_gain +
+                                       (1 << pcd->conf->inertia_arg)) / 4;
                                pcd->peak = 0;
                        } else
                                if (adjusted_sample > pcd->peak)
@@ -78,8 +79,8 @@ static ssize_t compress(char *inbuf, size_t inbuf_len, struct filter_node *fn)
                                >> gain_shift);
                        if (unlikely(adjusted_sample < -32768)) {
                                adjusted_sample = -32768;
-                               pcd->current_gain = (pcd->current_gain +
-                                       (1 << pcd->conf->inertia_arg)) / 2;
+                               pcd->current_gain = (3 * pcd->current_gain +
+                                       (1 << pcd->conf->inertia_arg)) / 4;
                                pcd->peak = 0;
                        } else
                                if (-adjusted_sample > pcd->peak)