SoftVPXEncoder: don't skip the last input buffer with eos flag.

Bug: 20507129
Change-Id: I4016727cbae54e2d29c3c6ab5cd8c47826070bf4
diff --git a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
index 970acf3..e654843 100644
--- a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
+++ b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
@@ -661,7 +661,8 @@
         BufferInfo *outputBufferInfo = *outputBufferInfoQueue.begin();
         OMX_BUFFERHEADERTYPE *outputBufferHeader = outputBufferInfo->mHeader;
 
-        if (inputBufferHeader->nFlags & OMX_BUFFERFLAG_EOS) {
+        if ((inputBufferHeader->nFlags & OMX_BUFFERFLAG_EOS) &&
+                inputBufferHeader->nFilledLen == 0) {
             inputBufferInfoQueue.erase(inputBufferInfoQueue.begin());
             inputBufferInfo->mOwnedByUs = false;
             notifyEmptyBufferDone(inputBufferHeader);
@@ -762,6 +763,9 @@
                        encoded_packet->data.frame.sz);
                 outputBufferInfo->mOwnedByUs = false;
                 outputBufferInfoQueue.erase(outputBufferInfoQueue.begin());
+                if (inputBufferHeader->nFlags & OMX_BUFFERFLAG_EOS) {
+                    outputBufferHeader->nFlags |= OMX_BUFFERFLAG_EOS;
+                }
                 notifyFillBufferDone(outputBufferHeader);
             }
         }