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 
RSFilter()30 RSFilter::RSFilter() {
31 
32 }
33 
~RSFilter()34 RSFilter::~RSFilter() {
35 
36 }
37 
configure(const sp<AMessage> & msg)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 
start()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 
reset()76 void RSFilter::reset() {
77     mCallback.clear();
78     mAllocOut.clear();
79     mAllocIn.clear();
80     mRS.clear();
81 }
82 
setParameters(const sp<AMessage> & msg)83 status_t RSFilter::setParameters(const sp<AMessage> &msg) {
84     return mCallback->handleSetParameters(msg);
85 }
86 
processBuffers(const sp<ABuffer> & srcBuffer,const sp<ABuffer> & outBuffer)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