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      1 /*
      2  * Copyright (C) 2013 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 #include "rsAllocation.h"
     18 #include "rsContext.h"
     19 #include "rsGrallocConsumer.h"
     20 #include "rs_hal.h"
     21 
     22 namespace android {
     23 namespace renderscript {
     24 
     25 GrallocConsumer::GrallocConsumer (const Context *rsc, Allocation *a, uint32_t numAlloc)
     26 {
     27     mCtx = rsc;
     28     mAlloc = new Allocation *[numAlloc];
     29     mAcquiredBuffer = new AcquiredBuffer[numAlloc];
     30     isIdxUsed = new bool[numAlloc];
     31 
     32     mAlloc[0] = a;
     33     isIdxUsed[0] = true;
     34     mNumAlloc = numAlloc;
     35 
     36     uint32_t width  = a->mHal.drvState.lod[0].dimX;
     37     uint32_t height = a->mHal.drvState.lod[0].dimY;
     38     if (height < 1) height = 1;
     39 
     40     int32_t format = AIMAGE_FORMAT_RGBA_8888;
     41     if (a->mHal.state.yuv) {
     42         format = AIMAGE_FORMAT_YUV_420_888;
     43     }
     44 
     45     media_status_t ret = AImageReader_new(
     46             width, height, format,
     47             mNumAlloc, &mImgReader);
     48     if (ret != AMEDIA_OK || mImgReader == nullptr) {
     49         ALOGE("Error creating image reader. ret %d", ret);
     50     }
     51 
     52     ret = AImageReader_getWindow(mImgReader, &mNativeWindow);
     53     if (ret != AMEDIA_OK || mNativeWindow == nullptr) {
     54         ALOGE("Error creating native window. ret %d", ret);
     55     }
     56 
     57     mReaderCb = {this, GrallocConsumer::onFrameAvailable};
     58     ret = AImageReader_setImageListener(mImgReader, &mReaderCb);
     59 
     60     for (uint32_t i = 1; i < numAlloc; i++) {
     61         isIdxUsed[i] = false;
     62     }
     63 }
     64 
     65 GrallocConsumer::~GrallocConsumer() {
     66     AImageReader_delete(mImgReader);
     67     delete[] mAlloc;
     68     delete[] mAcquiredBuffer;
     69     delete[] isIdxUsed;
     70 }
     71 
     72 void GrallocConsumer::onFrameAvailable(void* obj, AImageReader* reader) {
     73     GrallocConsumer* consumer = (GrallocConsumer *) obj;
     74     for (uint32_t i = 0; i < consumer->mNumAlloc; i++) {
     75         if (consumer->mAlloc[i] != nullptr) {
     76             intptr_t ip = (intptr_t)(consumer->mAlloc[i]);
     77             consumer->mCtx->sendMessageToClient(&ip,
     78                 RS_MESSAGE_TO_CLIENT_NEW_BUFFER, 0, sizeof(ip), true);
     79         }
     80     }
     81 }
     82 
     83 ANativeWindow* GrallocConsumer::getNativeWindow() {
     84     return mNativeWindow;
     85 }
     86 
     87 media_status_t GrallocConsumer::lockNextBuffer(uint32_t idx) {
     88     media_status_t ret;
     89 
     90     if (idx >= mNumAlloc) {
     91         ALOGE("Invalid buffer index: %d", idx);
     92         return AMEDIA_ERROR_INVALID_PARAMETER;
     93     }
     94 
     95     if (mAcquiredBuffer[idx].mImg != nullptr) {
     96         ret = unlockBuffer(idx);
     97         if (ret != AMEDIA_OK) {
     98             return ret;
     99         }
    100     }
    101 
    102     ret = AImageReader_acquireNextImage(mImgReader, &(mAcquiredBuffer[idx].mImg));
    103     if (ret != AMEDIA_OK || mAcquiredBuffer[idx].mImg == nullptr) {
    104         ALOGE("%s: acquire image from reader %p failed! ret: %d, img %p",
    105                 __FUNCTION__, mImgReader, ret, mAcquiredBuffer[idx].mImg);
    106         return ret;
    107     }
    108 
    109     AImage *img = mAcquiredBuffer[idx].mImg;
    110     int32_t format = -1;
    111     ret = AImage_getFormat(img, &format);
    112     if (ret != AMEDIA_OK || format == -1) {
    113         ALOGE("%s: get format for image %p failed! ret: %d, format %d",
    114                  __FUNCTION__, img, ret, format);
    115         return ret;
    116     }
    117 
    118     if (format != AIMAGE_FORMAT_YUV_420_888 && format != AIMAGE_FORMAT_RGBA_8888) {
    119         ALOGE("Format %d not supported", format);
    120         return AMEDIA_ERROR_INVALID_OBJECT;
    121     }
    122 
    123     uint8_t *data = nullptr;
    124     int dataLength = 0;
    125     ret =  AImage_getPlaneData(img, 0, &data, &dataLength);
    126     if (ret != AMEDIA_OK || data == nullptr || dataLength <= 0) {
    127         ALOGE("%s: get data for image %p failed! ret: %d, data %p, len %d",
    128                 __FUNCTION__, img, ret, data, dataLength);
    129         return ret;
    130     }
    131 
    132     int64_t timestamp = -1;
    133     ret = AImage_getTimestamp(img, &timestamp);
    134     if (ret != AMEDIA_OK || timestamp == -1) {
    135         ALOGE("%s: get timestamp for image %p failed! ret: %d",
    136                 __FUNCTION__, img, ret);
    137         return ret;
    138     }
    139 
    140     int32_t rowstride = -1;
    141     ret = AImage_getPlaneRowStride(img, 0, &rowstride);
    142     if (ret != AMEDIA_OK || rowstride == -1) {
    143         ALOGE("%s: get row stride for image %p failed! ret: %d, rowstride %d",
    144                 __FUNCTION__, img, ret, rowstride);
    145         return ret;
    146     }
    147 
    148     AHardwareBuffer *hardwareBuffer = nullptr;
    149     ret =  AImage_getHardwareBuffer(img, &hardwareBuffer);
    150     if (ret != AMEDIA_OK || hardwareBuffer == nullptr) {
    151         ALOGE("%s: get hardware buffer for image %p failed! ret: %d",
    152                 __FUNCTION__, img, ret);
    153         return ret;
    154     }
    155 
    156     mAcquiredBuffer[idx].mBufferPointer = data;
    157 
    158     mAlloc[idx]->mHal.drvState.lod[0].mallocPtr = data;
    159     mAlloc[idx]->mHal.drvState.lod[0].stride = rowstride;
    160     mAlloc[idx]->mHal.state.nativeBuffer = hardwareBuffer;
    161     mAlloc[idx]->mHal.state.timestamp = timestamp;
    162 
    163     if (format == AIMAGE_FORMAT_YUV_420_888) {
    164         const int yWidth = mAlloc[idx]->mHal.drvState.lod[0].dimX;
    165         const int yHeight = mAlloc[idx]->mHal.drvState.lod[0].dimY;
    166 
    167         const int cWidth = yWidth / 2;
    168         const int cHeight = yHeight / 2;
    169 
    170         uint8_t *uData = nullptr;
    171         int uDataLength = 0;
    172         ret =  AImage_getPlaneData(img, 1, &uData, &uDataLength);
    173         if (ret != AMEDIA_OK || uData == nullptr || uDataLength <= 0) {
    174             ALOGE("%s: get U data for image %p failed! ret: %d, data %p, len %d",
    175                     __FUNCTION__, img, ret, uData, uDataLength);
    176             return ret;
    177         }
    178 
    179         uint8_t *vData = nullptr;
    180         int vDataLength = 0;
    181         ret =  AImage_getPlaneData(img, 2, &vData, &vDataLength);
    182         if (ret != AMEDIA_OK || vData == nullptr || vDataLength <= 0) {
    183             ALOGE("%s: get V data for image %p failed! ret: %d, data %p, len %d",
    184                     __FUNCTION__, img, ret, vData, vDataLength);
    185             return ret;
    186         }
    187 
    188         int32_t uRowStride = -1;
    189         ret = AImage_getPlaneRowStride(img, 1, &uRowStride);
    190         if (ret != AMEDIA_OK || uRowStride == -1) {
    191             ALOGE("%s: get U row stride for image %p failed! ret: %d, uRowStride %d",
    192                     __FUNCTION__, img, ret, uRowStride);
    193             return ret;
    194         }
    195 
    196         int32_t vRowStride = -1;
    197         ret = AImage_getPlaneRowStride(img, 2, &vRowStride);
    198         if (ret != AMEDIA_OK || vRowStride == -1) {
    199             ALOGE("%s: get V row stride for image %p failed! ret: %d, vRowStride %d",
    200                     __FUNCTION__, img, ret, vRowStride);
    201             return ret;
    202         }
    203 
    204         int32_t uPixStride = -1;
    205         ret = AImage_getPlanePixelStride(img, 1, &uPixStride);
    206         if (ret != AMEDIA_OK || uPixStride == -1) {
    207             ALOGE("%s: get U pixel stride for image %p failed! ret: %d, uPixStride %d",
    208                     __FUNCTION__, img, ret, uPixStride);
    209             return ret;
    210         }
    211 
    212         mAlloc[idx]->mHal.drvState.lod[1].dimX = cWidth;
    213         mAlloc[idx]->mHal.drvState.lod[1].dimY = cHeight;
    214         mAlloc[idx]->mHal.drvState.lod[2].dimX = cWidth;
    215         mAlloc[idx]->mHal.drvState.lod[2].dimY = cHeight;
    216 
    217         mAlloc[idx]->mHal.drvState.lod[1].mallocPtr = uData;
    218         mAlloc[idx]->mHal.drvState.lod[2].mallocPtr = vData;
    219 
    220         mAlloc[idx]->mHal.drvState.lod[1].stride = uRowStride;
    221         mAlloc[idx]->mHal.drvState.lod[2].stride = vRowStride;
    222 
    223         mAlloc[idx]->mHal.drvState.yuv.shift = 1;
    224         mAlloc[idx]->mHal.drvState.yuv.step = uPixStride;
    225         mAlloc[idx]->mHal.drvState.lodCount = 3;
    226     }
    227 
    228     return AMEDIA_OK;
    229 }
    230 
    231 media_status_t GrallocConsumer::unlockBuffer(uint32_t idx) {
    232     media_status_t ret;
    233 
    234     if (idx >= mNumAlloc) {
    235         ALOGE("Invalid buffer index: %d", idx);
    236         return AMEDIA_ERROR_INVALID_PARAMETER;
    237     }
    238     if (mAcquiredBuffer[idx].mImg == nullptr) {
    239        return AMEDIA_OK;
    240     }
    241 
    242     AImage_delete(mAcquiredBuffer[idx].mImg);
    243     mAcquiredBuffer[idx].mImg = nullptr;
    244     return AMEDIA_OK;
    245 }
    246 
    247 uint32_t GrallocConsumer::getNextAvailableIdx(Allocation *a) {
    248     for (uint32_t i = 0; i < mNumAlloc; i++) {
    249         if (isIdxUsed[i] == false) {
    250             mAlloc[i] = a;
    251             isIdxUsed[i] = true;
    252             return i;
    253         }
    254     }
    255     return mNumAlloc;
    256 }
    257 
    258 bool GrallocConsumer::releaseIdx(uint32_t idx) {
    259     if (idx >= mNumAlloc) {
    260         ALOGE("Invalid buffer index: %d", idx);
    261         return false;
    262     }
    263     if (isIdxUsed[idx] == false) {
    264         ALOGV("Buffer index already released: %d", idx);
    265         return true;
    266     }
    267     media_status_t ret;
    268     ret = unlockBuffer(idx);
    269     if (ret != OK) {
    270         ALOGE("Unable to unlock graphic buffer");
    271         return false;
    272     }
    273     mAlloc[idx] = nullptr;
    274     isIdxUsed[idx] = false;
    275     return true;
    276 }
    277 
    278 bool GrallocConsumer::isActive() {
    279     for (uint32_t i = 0; i < mNumAlloc; i++) {
    280         if (isIdxUsed[i]) {
    281             return true;
    282         }
    283     }
    284     return false;
    285 }
    286 
    287 } // namespace renderscript
    288 } // namespace android
    289