libhb: Plug some leaks and clean up the buffer pool code a little.

Filters were leaking buffers when a job is cancelled.
decavcodec could leak when job cancelled.
decavcodec leaked audio extradata in BSInfo
encavcodec and encavcodecaudio leaked AVCodecContext
sync leaked subtitle_sanitizer_t data


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5853 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 6 insertions, 0 deletions

diff --git a/libhb/work.c b/libhb/work.c
index 6ed374a3c..bdf2191ea 100644
--- a/libhb/work.c
+++ b/libhb/work.c
@@ -1773,11 +1773,17 @@ static void filter_loop( void * _f )
                 if ( hb_fifo_full_wait( f->fifo_out ) )
                 {
                     hb_fifo_push( f->fifo_out, buf_out );
+                    buf_out = NULL;
                     break;
                 }
             }
         }
     }
+    if ( buf_out )
+    {
+        hb_buffer_close( &buf_out );
+    }
+
     // Consume data in incoming fifo till job complete so that
     // residual data does not stall the pipeline
     while( !*f->done )