Revert "Allows the authoring engine to skip frame."

o Skipping frames could lead to a lot of issues such as I frames is lost etc.
  It is not being used anyway.

This reverts commit 53d4e0d58e2d5c18f6e026c705af833b9bdd7aba.

Conflicts:

	media/libstagefright/AudioSource.cpp
	media/libstagefright/CameraSource.cpp

Change-Id: I3abba1647de48db25bdc369066eb2a7ae4dedec2
diff --git a/media/libstagefright/CameraSource.cpp b/media/libstagefright/CameraSource.cpp
index fac7b78..2f3353b 100644
--- a/media/libstagefright/CameraSource.cpp
+++ b/media/libstagefright/CameraSource.cpp
@@ -665,45 +665,22 @@
 
     {
         Mutex::Autolock autoLock(mLock);
-        while (mStarted) {
-            while(mFramesReceived.empty()) {
-                mFrameAvailableCondition.wait(mLock);
-            }
-
-            if (!mStarted) {
-                return OK;
-            }
-
-            frame = *mFramesReceived.begin();
-            mFramesReceived.erase(mFramesReceived.begin());
-
-            frameTime = *mFrameTimes.begin();
-            mFrameTimes.erase(mFrameTimes.begin());
-            int64_t skipTimeUs;
-            if (!options || !options->getSkipFrame(&skipTimeUs)) {
-                skipTimeUs = frameTime;
-            }
-            if (skipTimeUs > frameTime) {
-                LOGV("skipTimeUs: %lld us > frameTime: %lld us",
-                    skipTimeUs, frameTime);
-                releaseOneRecordingFrame(frame);
-                ++mNumFramesDropped;
-                // Safeguard against the abuse of the kSkipFrame_Option.
-                if (skipTimeUs - frameTime >= 1E6) {
-                    LOGE("Frame skipping requested is way too long: %lld us",
-                        skipTimeUs - frameTime);
-                    return UNKNOWN_ERROR;
-                }
-            } else {
-                mFramesBeingEncoded.push_back(frame);
-                *buffer = new MediaBuffer(frame->pointer(), frame->size());
-                (*buffer)->setObserver(this);
-                (*buffer)->add_ref();
-                (*buffer)->meta_data()->setInt64(kKeyTime, frameTime);
-
-                return OK;
-            }
+        while (mStarted && mFramesReceived.empty()) {
+            mFrameAvailableCondition.wait(mLock);
         }
+        if (!mStarted) {
+            return OK;
+        }
+        frame = *mFramesReceived.begin();
+        mFramesReceived.erase(mFramesReceived.begin());
+
+        frameTime = *mFrameTimes.begin();
+        mFrameTimes.erase(mFrameTimes.begin());
+        mFramesBeingEncoded.push_back(frame);
+        *buffer = new MediaBuffer(frame->pointer(), frame->size());
+        (*buffer)->setObserver(this);
+        (*buffer)->add_ref();
+        (*buffer)->meta_data()->setInt64(kKeyTime, frameTime);
     }
     return OK;
 }
@@ -729,7 +706,7 @@
 
     // May need to skip frame or modify timestamp. Currently implemented
     // by the subclass CameraSourceTimeLapse.
-    if(skipCurrentFrame(timestampUs)) {
+    if (skipCurrentFrame(timestampUs)) {
         releaseOneRecordingFrame(data);
         return;
     }