shithub: libvpx

Download patch

ref: 9520f4b3cc0710729347ea156ff32ad536ea6a45
parent: d283d9bb307fe2e93107a4271bb984d8cd6c6736
author: Yunqing Wang <yunqingwang@google.com>
date: Mon Dec 6 12:21:37 EST 2010 

Fix a memory leak problem in encoder

Deallocating the buffers before re-allocating them.

The fix passed James Berry's test program for memory
leak check.

Change-Id: I18c3cf665412c0e313a523e3d435106c03ca438d


--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -324,8 +324,15 @@
 
     cpi->mb.pip = 0;
 
-    vpx_free(cpi->total_stats);
-    vpx_free(cpi->this_frame_stats);
+    if(cpi->total_stats)
+        vpx_free(cpi->total_stats);
+
+    cpi->total_stats = 0;
+
+    if(cpi->this_frame_stats)
+        vpx_free(cpi->this_frame_stats);
+
+    cpi->this_frame_stats = 0;
 }
 
 static void enable_segmentation(VP8_PTR ptr)
@@ -1326,6 +1333,9 @@
 
 static int vp8_alloc_partition_data(VP8_COMP *cpi)
 {
+    if(cpi->mb.pip)
+        vpx_free(cpi->mb.pip);
+
     cpi->mb.pip = vpx_calloc((cpi->common.mb_cols + 1) *
                                 (cpi->common.mb_rows + 1),
                                 sizeof(PARTITION_INFO));
@@ -1393,8 +1403,16 @@
 
     cpi->gf_active_count = cm->mb_rows * cm->mb_cols;
 
+    if(cpi->total_stats)
+        vpx_free(cpi->total_stats);
+
     cpi->total_stats = vpx_calloc(1, vp8_firstpass_stats_sz(cpi->common.MBs));
+
+    if(cpi->this_frame_stats)
+        vpx_free(cpi->this_frame_stats);
+
     cpi->this_frame_stats = vpx_calloc(1, vp8_firstpass_stats_sz(cpi->common.MBs));
+
     if(!cpi->total_stats || !cpi->this_frame_stats)
         vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
                            "Failed to allocate firstpass stats");
-- 
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