Merge "Be more lenient when validating ESDS information in mp4 audio tracks. Allow the absence of any codec specific data and assume that the mpeg4 headers are not lying to us." into gingerbread

media/libstagefright/MPEG4Extractor.cpp

@@ -1273,6 +1273,14 @@ status_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio(
     hexdump(csd, csd_size);
 #endif
 
+    if (csd_size == 0) {
+        // There's no further information, i.e. no codec specific data
+        // Let's assume that the information provided in the mpeg4 headers
+        // is accurate and hope for the best.
+
+        return OK;
+    }
+
     if (csd_size < 2) {
         return ERROR_MALFORMED;
     }