Merge "MediaCodecLinearBlock: Let input slot available for onWorkDone buffer."

media/jni/android_media_MediaCodecLinearBlock.h

@@ -44,12 +44,19 @@ struct JMediaCodecLinearBlock {
 
     std::shared_ptr<C2Buffer> toC2Buffer(size_t offset, size_t size) const {
         if (mBuffer) {
+            // TODO: if returned C2Buffer is different from mBuffer, we should
+            // find a way to connect the life cycle between this C2Buffer and
+            // mBuffer.
             if (mBuffer->data().type() != C2BufferData::LINEAR) {
                 return nullptr;
             }
             C2ConstLinearBlock block = mBuffer->data().linearBlocks().front();
             if (offset == 0 && size == block.capacity()) {
-                return mBuffer;
+                // Let C2Buffer be new one to queue to MediaCodec. It will allow
+                // the related input slot to be released by onWorkDone from C2
+                // Component. Currently, the life cycle of mBuffer should be
+                // protected by different flows.
+                return std::make_shared<C2Buffer>(*mBuffer);
             }
 
             std::shared_ptr<C2Buffer> buffer =