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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 //#define LOG_NDEBUG 0
     18 #define LOG_TAG "RSFilter"
     19 
     20 #include <utils/Log.h>
     21 
     22 #include <media/stagefright/foundation/ABuffer.h>
     23 #include <media/stagefright/foundation/ADebug.h>
     24 #include <media/stagefright/foundation/AMessage.h>
     25 
     26 #include "RSFilter.h"
     27 
     28 namespace android {
     29 
     30 RSFilter::RSFilter() {
     31 
     32 }
     33 
     34 RSFilter::~RSFilter() {
     35 
     36 }
     37 
     38 status_t RSFilter::configure(const sp<AMessage> &msg) {
     39     status_t err = SimpleFilter::configure(msg);
     40     if (err != OK) {
     41         return err;
     42     }
     43 
     44     if (!msg->findString("cacheDir", &mCacheDir)) {
     45         ALOGE("Failed to find cache directory in config message.");
     46         return NAME_NOT_FOUND;
     47     }
     48 
     49     sp<RenderScriptWrapper> wrapper;
     50     if (!msg->findObject("rs-wrapper", (sp<RefBase>*)&wrapper)) {
     51         ALOGE("Failed to find RenderScriptWrapper in config message.");
     52         return NAME_NOT_FOUND;
     53     }
     54 
     55     mRS = wrapper->mContext;
     56     mCallback = wrapper->mCallback;
     57 
     58     return OK;
     59 }
     60 
     61 status_t RSFilter::start() {
     62     // 32-bit elements for ARGB8888
     63     RSC::sp<const RSC::Element> e = RSC::Element::U8_4(mRS);
     64 
     65     RSC::Type::Builder tb(mRS, e);
     66     tb.setX(mWidth);
     67     tb.setY(mHeight);
     68     RSC::sp<const RSC::Type> t = tb.create();
     69 
     70     mAllocIn = RSC::Allocation::createTyped(mRS, t);
     71     mAllocOut = RSC::Allocation::createTyped(mRS, t);
     72 
     73     return OK;
     74 }
     75 
     76 void RSFilter::reset() {
     77     mCallback.clear();
     78     mAllocOut.clear();
     79     mAllocIn.clear();
     80     mRS.clear();
     81 }
     82 
     83 status_t RSFilter::setParameters(const sp<AMessage> &msg) {
     84     return mCallback->handleSetParameters(msg);
     85 }
     86 
     87 status_t RSFilter::processBuffers(
     88         const sp<ABuffer> &srcBuffer, const sp<ABuffer> &outBuffer) {
     89     mAllocIn->copy1DRangeFrom(0, mWidth * mHeight, srcBuffer->data());
     90     mCallback->processBuffers(mAllocIn.get(), mAllocOut.get());
     91     mAllocOut->copy1DRangeTo(0, mWidth * mHeight, outBuffer->data());
     92 
     93     return OK;
     94 }
     95 
     96 }   // namespace android
     97