3 files changed, 17 insertions, 7 deletions
diff --git a/vp9/common/vp9_alloccommon.c b/vp9/common/vp9_alloccommon.c
index b4b120bee..946341231 100644
--- a/vp9/common/vp9_alloccommon.c
+++ b/vp9/common/vp9_alloccommon.c
@@ -104,7 +104,9 @@ void vp9_free_postproc_buffers(VP9_COMMON *cm) {
   vpx_free_frame_buffer(&cm->post_proc_buffer);
   vpx_free_frame_buffer(&cm->post_proc_buffer_int);
   vpx_free(cm->postproc_state.limits);
-  cm->postproc_state.limits = 0;
+  cm->postproc_state.limits = NULL;
+  vpx_free(cm->postproc_state.generated_noise);
+  cm->postproc_state.generated_noise = NULL;
 #else
   (void)cm;
 #endif
diff --git a/vp9/common/vp9_postproc.c b/vp9/common/vp9_postproc.c
index 6adaf04d7..4356adca6 100644
--- a/vp9/common/vp9_postproc.c
+++ b/vp9/common/vp9_postproc.c
@@ -378,6 +378,14 @@ int vp9_post_proc_frame(struct VP9Common *cm,
     }
   }
 
+  if (flags & VP9D_ADDNOISE) {
+    if (!cm->postproc_state.generated_noise) {
+      cm->postproc_state.generated_noise = vpx_calloc(
+          cm->width + 256, sizeof(*cm->postproc_state.generated_noise));
+      if (!cm->postproc_state.generated_noise)
+        return 1;
+    }
+  }
 
   if ((flags & VP9D_MFQE) && cm->current_video_frame >= 2 &&
       ppstate->last_frame_valid && cm->bit_depth == 8 &&
@@ -419,14 +427,14 @@ int vp9_post_proc_frame(struct VP9Common *cm,
       double sigma;
       vpx_clear_system_state();
       sigma = noise_level + .5 + .6 * q / 63.0;
-      ppstate->clamp = vpx_setup_noise(sigma, ppstate->noise,
-                                       sizeof(ppstate->noise));
+      ppstate->clamp = vpx_setup_noise(sigma, ppstate->generated_noise,
+                                       cm->width + 256);
       ppstate->last_q = q;
       ppstate->last_noise = noise_level;
     }
-    vpx_plane_add_noise(ppbuf->y_buffer, ppstate->noise, ppstate->clamp,
-                        ppstate->clamp, ppbuf->y_width, ppbuf->y_height,
-                        ppbuf->y_stride);
+    vpx_plane_add_noise(ppbuf->y_buffer, ppstate->generated_noise,
+                        ppstate->clamp, ppstate->clamp, ppbuf->y_width,
+                        ppbuf->y_height, ppbuf->y_stride);
   }
 
   *dest = *ppbuf;
diff --git a/vp9/common/vp9_postproc.h b/vp9/common/vp9_postproc.h
index 5a4eb8d2c..810ac2a79 100644
--- a/vp9/common/vp9_postproc.h
+++ b/vp9/common/vp9_postproc.h
@@ -25,13 +25,13 @@ extern "C" {
 struct postproc_state {
   int last_q;
   int last_noise;
-  int8_t noise[3072];
   int last_base_qindex;
   int last_frame_valid;
   MODE_INFO *prev_mip;
   MODE_INFO *prev_mi;
   int clamp;
   uint8_t *limits;
+  int8_t *generated_noise;
 };
 
 struct VP9Common;