encca_aac.c: oesc.mDataByteSize is signed.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4791 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 9 insertions, 9 deletions

diff --git a/libhb/platform/macosx/encca_aac.c b/libhb/platform/macosx/encca_aac.c
index ab5977f96..d67e039b2 100644
--- a/libhb/platform/macosx/encca_aac.c
+++ b/libhb/platform/macosx/encca_aac.c
@@ -87,20 +87,20 @@ static long ReadESDSDescExt(void* descExt, UInt8 **buffer, UInt32 *size, int ver
     *size = 0;
 
     if (versionFlags)
-        esds += 4;        // version + flags
+        esds += 4; // version + flags
     readDescr(&esds, &tag);
-    esds += 2;        // ID
+    esds += 2;     // ID
     if (tag == MP4ESDescrTag)
-        esds++;        // priority
+        esds++;    // priority
 
     readDescr(&esds, &tag);
     if (tag == MP4DecConfigDescrTag)
     {
-        esds++;        // object type id
-        esds++;        // stream type
-        esds += 3;    // buffer size db
-        esds += 4;    // max bitrate
-        esds += 4;    // average bitrate
+        esds++;    // object type id
+        esds++;    // stream type
+        esds += 3; // buffer size db
+        esds += 4; // max bitrate
+        esds += 4; // average bitrate
 
         len = readDescr(&esds, &tag);
         if (tag == MP4DecSpecificDescrTag)
@@ -440,7 +440,7 @@ static hb_buffer_t* Encode(hb_work_object_t *w)
         hb_log("encCoreAudio: unexpected error in AudioConverterFillComplexBuffer()");
     }
     // only drop the output buffer if it's actually empty
-    if (!odesc.mDataByteSize || !npackets)
+    if (!npackets || odesc.mDataByteSize <= 0)
     {
         hb_log("encCoreAudio: 0 packets returned");
         return NULL;