From 7fd3494667e29925340f9fc5c48a4c6ae0ef76bb Mon Sep 17 00:00:00 2001
From: jstebbins <jstebbins.hb@gmail.com>
Date: Thu, 30 Oct 2014 18:35:25 +0000
Subject: fifo: add code (ifdef'd out) to assist with finding buffer leaks

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6485 b64f7644-9d1e-0410-96f1-a4d463321fa5
---
 libhb/fifo.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'libhb')

diff --git a/libhb/fifo.c b/libhb/fifo.c
index 0e05ea031..5e24adc2a 100644
--- a/libhb/fifo.c
+++ b/libhb/fifo.c
@@ -16,6 +16,7 @@
 
 #define FIFO_TIMEOUT 200
 //#define HB_FIFO_DEBUG 1
+//#define HB_BUFFER_DEBUG 1
 
 /* Fifo */
 struct hb_fifo_s
@@ -64,6 +65,9 @@ struct hb_buffer_pools_s
     int64_t allocated;
     hb_lock_t *lock;
     hb_fifo_t *pool[MAX_BUFFER_POOLS];
+#if defined(HB_BUFFER_DEBUG)
+    hb_list_t *alloc_list;
+#endif
 } buffers;
 
 
@@ -72,6 +76,10 @@ void hb_buffer_pool_init( void )
     buffers.lock = hb_lock_init();
     buffers.allocated = 0;
 
+#if defined(HB_BUFFER_DEBUG)
+    buffers.alloc_list = hb_list_init();
+#endif
+
     /* we allocate pools for sizes 2^10 through 2^25. requests larger than
      * 2^25 will get passed through to malloc. */
     int i;
@@ -243,6 +251,16 @@ void hb_buffer_pool_free( void )
 
     hb_lock(buffers.lock);
 
+#if defined(HB_BUFFER_DEBUG)
+    hb_deep_log(2, "leaked %d buffers", hb_list_count(buffers.alloc_list));
+    for (i = 0; i < hb_list_count(buffers.alloc_list); i++)
+    {
+        hb_buffer_t *b = hb_list_item(buffers.alloc_list, i);
+        hb_deep_log(2, "leaked buffer %p type %d size %d alloc %d",
+               b, b->s.type, b->size, b->alloc);
+    }
+#endif
+
     for( i = BUFFER_POOL_FIRST; i <= BUFFER_POOL_LAST; ++i)
     {
         count = 0;
@@ -350,6 +368,11 @@ hb_buffer_t * hb_buffer_init_internal( int size , int needsMapped )
             b->cl.last_event      = last_event;
             b->cl.buffer_location = loc;
 
+#if defined(HB_BUFFER_DEBUG)
+            hb_lock(buffers.lock);
+            hb_list_add(buffers.alloc_list, b);
+            hb_unlock(buffers.lock);
+#endif
             return( b );
         }
     }
@@ -410,6 +433,11 @@ hb_buffer_t * hb_buffer_init_internal( int size , int needsMapped )
     b->s.start = AV_NOPTS_VALUE;
     b->s.stop = AV_NOPTS_VALUE;
     b->s.renderOffset = AV_NOPTS_VALUE;
+#if defined(HB_BUFFER_DEBUG)
+    hb_lock(buffers.lock);
+    hb_list_add(buffers.alloc_list, b);
+    hb_unlock(buffers.lock);
+#endif
     return b;
 }
 
@@ -632,6 +660,11 @@ void hb_buffer_close( hb_buffer_t ** _b )
 
         b->next = NULL;
 
+#if defined(HB_BUFFER_DEBUG)
+        hb_lock(buffers.lock);
+        hb_list_rem(buffers.alloc_list, b);
+        hb_unlock(buffers.lock);
+#endif
         // Close any attached subtitle buffers
         hb_buffer_close( &b->sub );
 
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