Support for communicating if a buffer read from the _extractor_ is a sync sample or not.

Change-Id: Ie71506224d937cfff1fa1273bfac31c47db8845f
related-to-bug: 2900534

1 files changed, 10 insertions, 1 deletions

diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index d937838..6af3a7f 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -1551,13 +1551,14 @@ status_t MPEG4Source::read(
     off_t offset;
     size_t size;
     uint32_t dts;
+    bool isSyncSample;
     bool newBuffer = false;
     if (mBuffer == NULL) {
         newBuffer = true;
 
         status_t err =
             mSampleTable->getMetaDataForSample(
-                    mCurrentSampleIndex, &offset, &size, &dts);
+                    mCurrentSampleIndex, &offset, &size, &dts, &isSyncSample);
 
         if (err != OK) {
             return err;
@@ -1594,6 +1595,10 @@ status_t MPEG4Source::read(
                         kKeyTargetTime, targetSampleTimeUs);
             }
 
+            if (isSyncSample) {
+                mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1);
+            }
+
             ++mCurrentSampleIndex;
         }
 
@@ -1696,6 +1701,10 @@ status_t MPEG4Source::read(
                     kKeyTargetTime, targetSampleTimeUs);
         }
 
+        if (isSyncSample) {
+            mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1);
+        }
+
         ++mCurrentSampleIndex;
 
         *out = mBuffer;