1 files changed, 21 insertions, 9 deletions
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index a572541..dc8e4a3 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+//#define LOG_NDEBUG 0
 #define LOG_TAG "MPEG4Extractor"
 #include <utils/Log.h>
 
@@ -408,7 +409,7 @@ char* MPEG4Extractor::getDrmTrackInfo(size_t trackID, int *len) {
 }
 
 // Reads an encoded integer 7 bits at a time until it encounters the high bit clear.
-int32_t readSize(off64_t offset,
+static int32_t readSize(off64_t offset,
         const sp<DataSource> DataSource, uint8_t *numOfBytes) {
     uint32_t size = 0;
     uint8_t data;
@@ -1664,15 +1665,26 @@ status_t MPEG4Extractor::parseMetaData(off64_t offset, size_t size) {
                     mLastCommentData.setTo((const char *)buffer + 8);
                     break;
             }
-            if (mLastCommentMean == "com.apple.iTunes"
-                    && mLastCommentName == "iTunSMPB"
-                    && mLastCommentData.length() != 0) {
-                int32_t delay, padding;
-                if (sscanf(mLastCommentData,
-                           " %*x %x %x %*x", &delay, &padding) == 2) {
-                    mLastTrack->meta->setInt32(kKeyEncoderDelay, delay);
-                    mLastTrack->meta->setInt32(kKeyEncoderPadding, padding);
+
+            // Once we have a set of mean/name/data info, go ahead and process
+            // it to see if its something we are interested in.  Whether or not
+            // were are interested in the specific tag, make sure to clear out
+            // the set so we can be ready to process another tuple should one
+            // show up later in the file.
+            if ((mLastCommentMean.length() != 0) &&
+                (mLastCommentName.length() != 0) &&
+                (mLastCommentData.length() != 0)) {
+
+                if (mLastCommentMean == "com.apple.iTunes"
+                        && mLastCommentName == "iTunSMPB") {
+                    int32_t delay, padding;
+                    if (sscanf(mLastCommentData,
+                               " %*x %x %x %*x", &delay, &padding) == 2) {
+                        mLastTrack->meta->setInt32(kKeyEncoderDelay, delay);
+                        mLastTrack->meta->setInt32(kKeyEncoderPadding, padding);
+                    }
                 }
+
                 mLastCommentMean.clear();
                 mLastCommentName.clear();
                 mLastCommentData.clear();