AIDLize MediaExtractorService

Use .aidl instead of handwritten binder code for MediaExtractorService.

Test: build, CTS

Change-Id: Ibc93eca9128552c23359218ac3bf12319391e1b1
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.cpp b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
index 00e3443..a49e72e 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
@@ -30,12 +30,13 @@
 #include <media/DataSource.h>
 #include <media/MediaBufferHolder.h>
 #include <media/MediaSource.h>
-#include <media/IMediaExtractorService.h>
+#include <android/IMediaExtractorService.h>
 #include <media/IMediaHTTPService.h>
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
 #include <media/stagefright/InterfaceUtils.h>
+#include <media/stagefright/FoundationUtils.h>
 #include <media/stagefright/MediaBuffer.h>
 #include <media/stagefright/MediaClock.h>
 #include <media/stagefright/MediaDefs.h>
@@ -75,7 +76,6 @@
       mUIDValid(uidValid),
       mUID(uid),
       mMediaClock(mediaClock),
-      mFd(-1),
       mBitrate(-1LL),
       mPendingReadBufferTypes(0) {
     ALOGV("GenericSource");
@@ -98,10 +98,7 @@
     mUri.clear();
     mUriHeaders.clear();
     mSources.clear();
-    if (mFd >= 0) {
-        close(mFd);
-        mFd = -1;
-    }
+    mFd.reset();
     mOffset = 0;
     mLength = 0;
     mStarted = false;
@@ -137,11 +134,11 @@
 status_t NuPlayer::GenericSource::setDataSource(
         int fd, int64_t offset, int64_t length) {
     Mutex::Autolock _l(mLock);
-    ALOGV("setDataSource %d/%lld/%lld", fd, (long long)offset, (long long)length);
+    ALOGV("setDataSource %d/%lld/%lld (%s)", fd, (long long)offset, (long long)length, nameForFd(fd).c_str());
 
     resetDataSource();
 
-    mFd = dup(fd);
+    mFd.reset(dup(fd));
     mOffset = offset;
     mLength = length;
 
@@ -413,24 +410,19 @@
         } else {
             if (property_get_bool("media.stagefright.extractremote", true) &&
                     !PlayerServiceFileSource::requiresDrm(
-                            mFd, mOffset, mLength, nullptr /* mime */)) {
+                            mFd.get(), mOffset, mLength, nullptr /* mime */)) {
                 sp<IBinder> binder =
                         defaultServiceManager()->getService(String16("media.extractor"));
                 if (binder != nullptr) {
                     ALOGD("FileSource remote");
                     sp<IMediaExtractorService> mediaExService(
                             interface_cast<IMediaExtractorService>(binder));
-                    sp<IDataSource> source =
-                            mediaExService->makeIDataSource(mFd, mOffset, mLength);
+                    sp<IDataSource> source;
+                    mediaExService->makeIDataSource(mFd, mOffset, mLength, &source);
                     ALOGV("IDataSource(FileSource): %p %d %lld %lld",
-                            source.get(), mFd, (long long)mOffset, (long long)mLength);
+                            source.get(), mFd.get(), (long long)mOffset, (long long)mLength);
                     if (source.get() != nullptr) {
                         mDataSource = CreateDataSourceFromIDataSource(source);
-                        if (mDataSource != nullptr) {
-                            // Close the local file descriptor as it is not needed anymore.
-                            close(mFd);
-                            mFd = -1;
-                        }
                     } else {
                         ALOGW("extractor service cannot make data source");
                     }
@@ -440,12 +432,8 @@
             }
             if (mDataSource == nullptr) {
                 ALOGD("FileSource local");
-                mDataSource = new PlayerServiceFileSource(mFd, mOffset, mLength);
+                mDataSource = new PlayerServiceFileSource(mFd.get(), mOffset, mLength);
             }
-            // TODO: close should always be done on mFd, see the lines following
-            // CreateDataSourceFromIDataSource above,
-            // and the FileSource constructor should dup the mFd argument as needed.
-            mFd = -1;
         }
 
         if (mDataSource == NULL) {