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
28namespace android {
29
30RSFilter::RSFilter() {
31
32}
33
34RSFilter::~RSFilter() {
35
36}
37
38status_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
61status_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
76void RSFilter::reset() {
77    mCallback.clear();
78    mAllocOut.clear();
79    mAllocIn.clear();
80    mRS.clear();
81}
82
83status_t RSFilter::setParameters(const sp<AMessage> &msg) {
84    return mCallback->handleSetParameters(msg);
85}
86
87status_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