commit 26ecfbba6c986ebfb5a79676804e92e596626976
author Hangyu Kuang <hkuang@google.com> Tue Jan 24 09:14:55 2017 -0800
committer gitbuildkicker <android-build@google.com> Tue Jan 24 14:12:48 2017 -0800
tree 98564af184108db02c639b3232e5bd044b6de540
parent fbf67b3ad0ec4e5f1bbee8d1f0e47d81892d8bdc

media: Add back the duplication of fd inside MPEG4Writer.

The fd passed in from application may be closed by application. So it needs to
be duplicated.

Test: Screenrecord
Bug: 34596564
Change-Id: I8b633e2aad6a6371296427e891985ae4892b00aa
(cherry picked from commit 8fdb3fde346b446ad3b04dafa65a6844da672e23)

media/libstagefright/MPEG4Writer.cpp

diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index f05e336..192eccd 100755
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -435,7 +435,7 @@
 
 void MPEG4Writer::initInternal(int fd) {
     ALOGV("initInternal");
-    mFd = fd;
+    mFd = dup(fd);
     mNextFd = -1;
     mInitCheck = mFd < 0? NO_INIT: OK;
     mIsRealTimeRecording = true;