libstagefright: add ProcessInfo to get process priority.

Bug: 19620911
Change-Id: I240b814b8925b1d6266e6f998a7debd654a2145a

6 files changed, 96 insertions, 33 deletions

diff --git a/include/media/stagefright/ProcessInfo.h b/include/media/stagefright/ProcessInfo.h
new file mode 100644
index 0000000..ec0cdff
--- /dev/null
+++ b/include/media/stagefright/ProcessInfo.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef PROCESS_INFO_H_
+
+#define PROCESS_INFO_H_
+
+#include <media/stagefright/foundation/ABase.h>
+#include <media/stagefright/ProcessInfoInterface.h>
+
+namespace android {
+
+struct ProcessInfo : public ProcessInfoInterface {
+    ProcessInfo();
+
+    virtual bool getPriority(int pid, int* priority);
+
+protected:
+    virtual ~ProcessInfo();
+
+private:
+    DISALLOW_EVIL_CONSTRUCTORS(ProcessInfo);
+};
+
+}  // namespace android
+
+#endif  // PROCESS_INFO_H_
diff --git a/media/libmediaplayerservice/ProcessInfoInterface.h b/include/media/stagefright/ProcessInfoInterface.h
index 222f92d..222f92d 100644
--- a/media/libmediaplayerservice/ProcessInfoInterface.h
+++ b/include/media/stagefright/ProcessInfoInterface.h
diff --git a/media/libmediaplayerservice/DrmSessionManager.cpp b/media/libmediaplayerservice/DrmSessionManager.cpp
index 6e17eb1..641f881 100644
--- a/media/libmediaplayerservice/DrmSessionManager.cpp
+++ b/media/libmediaplayerservice/DrmSessionManager.cpp
@@ -21,10 +21,10 @@
 #include "DrmSessionManager.h"
 
 #include "DrmSessionClientInterface.h"
-#include "ProcessInfoInterface.h"
 #include <binder/IPCThreadState.h>
 #include <binder/IProcessInfoService.h>
 #include <binder/IServiceManager.h>
+#include <media/stagefright/ProcessInfo.h>
 #include <unistd.h>
 #include <utils/String8.h>
 
@@ -38,37 +38,6 @@ static String8 GetSessionIdString(const Vector<uint8_t> &sessionId) {
     return sessionIdStr;
 }
 
-struct ProcessInfo : public ProcessInfoInterface {
-    ProcessInfo() {}
-
-    virtual bool getPriority(int pid, int* priority) {
-        sp<IBinder> binder = defaultServiceManager()->getService(String16("processinfo"));
-        sp<IProcessInfoService> service = interface_cast<IProcessInfoService>(binder);
-
-        size_t length = 1;
-        int32_t states;
-        status_t err = service->getProcessStatesFromPids(length, &pid, &states);
-        if (err != OK) {
-            ALOGE("getProcessStatesFromPids failed");
-            return false;
-        }
-        ALOGV("pid %d states %d", pid, states);
-        if (states < 0) {
-            return false;
-        }
-
-        // Use process state as the priority. Lower the value, higher the priority.
-        *priority = states;
-        return true;
-    }
-
-protected:
-    virtual ~ProcessInfo() {}
-
-private:
-    DISALLOW_EVIL_CONSTRUCTORS(ProcessInfo);
-};
-
 bool isEqualSessionId(const Vector<uint8_t> &sessionId1, const Vector<uint8_t> &sessionId2) {
     if (sessionId1.size() != sessionId2.size()) {
         return false;
diff --git a/media/libmediaplayerservice/tests/DrmSessionManager_test.cpp b/media/libmediaplayerservice/tests/DrmSessionManager_test.cpp
index 27b482b..d3e760b 100644
--- a/media/libmediaplayerservice/tests/DrmSessionManager_test.cpp
+++ b/media/libmediaplayerservice/tests/DrmSessionManager_test.cpp
@@ -23,8 +23,8 @@
 #include "Drm.h"
 #include "DrmSessionClientInterface.h"
 #include "DrmSessionManager.h"
-#include "ProcessInfoInterface.h"
 #include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/ProcessInfoInterface.h>
 
 namespace android {
 
diff --git a/media/libstagefright/Android.mk b/media/libstagefright/Android.mk
index 38f2e34..177293d 100644
--- a/media/libstagefright/Android.mk
+++ b/media/libstagefright/Android.mk
@@ -47,6 +47,7 @@ LOCAL_SRC_FILES:=                         \
         OMXClient.cpp                     \
         OMXCodec.cpp                      \
         OggExtractor.cpp                  \
+        ProcessInfo.cpp                   \
         SampleIterator.cpp                \
         SampleTable.cpp                   \
         SkipCutBuffer.cpp                 \
diff --git a/media/libstagefright/ProcessInfo.cpp b/media/libstagefright/ProcessInfo.cpp
new file mode 100644
index 0000000..b4172b3
--- /dev/null
+++ b/media/libstagefright/ProcessInfo.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "ProcessInfo"
+#include <utils/Log.h>
+
+#include <media/stagefright/ProcessInfo.h>
+
+#include <binder/IProcessInfoService.h>
+#include <binder/IServiceManager.h>
+
+namespace android {
+
+ProcessInfo::ProcessInfo() {}
+
+bool ProcessInfo::getPriority(int pid, int* priority) {
+    sp<IBinder> binder = defaultServiceManager()->getService(String16("processinfo"));
+    sp<IProcessInfoService> service = interface_cast<IProcessInfoService>(binder);
+
+    size_t length = 1;
+    int32_t states;
+    status_t err = service->getProcessStatesFromPids(length, &pid, &states);
+    if (err != OK) {
+        ALOGE("getProcessStatesFromPids failed");
+        return false;
+    }
+    ALOGV("pid %d states %d", pid, states);
+    if (states < 0) {
+        return false;
+    }
+
+    // Use process state as the priority. Lower the value, higher the priority.
+    *priority = states;
+    return true;
+}
+
+ProcessInfo::~ProcessInfo() {}
+
+}  // namespace android