Updated (internal) API for IStreamSource to signal discontinuities

Change-Id: Idd4b9d8e7cec16b3e3c91c70e75144d42be30f96
related-to-bug: 5553055
diff --git a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
index f795654..2e63b3b 100644
--- a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
@@ -63,17 +63,22 @@
             mFinalResult = ERROR_END_OF_STREAM;
             break;
         } else if (n == INFO_DISCONTINUITY) {
-            ATSParser::DiscontinuityType type = ATSParser::DISCONTINUITY_SEEK;
+            int32_t type = ATSParser::DISCONTINUITY_SEEK;
 
-            int32_t formatChange;
+            int32_t mask;
             if (extra != NULL
                     && extra->findInt32(
-                        IStreamListener::kKeyFormatChange, &formatChange)
-                    && formatChange != 0) {
-                type = ATSParser::DISCONTINUITY_FORMATCHANGE;
+                        IStreamListener::kKeyDiscontinuityMask, &mask)) {
+                if (mask == 0) {
+                    LOGE("Client specified an illegal discontinuity type.");
+                    return ERROR_UNSUPPORTED;
+                }
+
+                type = mask;
             }
 
-            mTSParser->signalDiscontinuity(type, extra);
+            mTSParser->signalDiscontinuity(
+                    (ATSParser::DiscontinuityType)type, extra);
         } else if (n < 0) {
             CHECK_EQ(n, -EWOULDBLOCK);
             break;