cavis/libnd4j/include/ops/declarable/generic/images/yuvToRgb.cpp

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/*******************************************************************************
* Copyright (c) 2019 Konduit K.K.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author Oleh Semeniv (oleg.semeniv@gmail.com)
//
#include <ops/declarable/headers/images.h>
#include <ops/declarable/CustomOperations.h>
#include <helpers/ConstantTadHelper.h>
#include <execution/Threads.h>
namespace sd {
namespace ops {
CONFIGURABLE_OP_IMPL(yuv_to_rgb, 1, 1, true, 0, 0) {
auto input = INPUT_VARIABLE(0);
auto output = OUTPUT_VARIABLE(0);
// just skip op if input is empty
if (input->isEmpty())
return Status::OK();
const int rank = input->rankOf();
const int argSize = block.getIArguments()->size();
const int dimC = argSize > 0 ? (INT_ARG(0) >= 0 ? INT_ARG(0) : INT_ARG(0) + rank) : rank - 1;
REQUIRE_TRUE(rank >= 1, 0, "YUVtoRGB: Fails to meet the rank requirement: %i >= 1 ", rank);
if (argSize > 0) {
REQUIRE_TRUE(dimC >= 0 && dimC < rank, 0, "Index of the Channel dimension out of range: %i not in [%i,%i) ", INT_ARG(0), -rank, rank);
}
REQUIRE_TRUE(input->sizeAt(dimC) == 3, 0, "YUVtoRGB: operation expects 3 channels (Y, U, V), but got %i instead", input->sizeAt(dimC));
helpers::transformYuvRgb(block.launchContext(), *input, *output, dimC);
return Status::OK();
}
DECLARE_TYPES(yuv_to_rgb) {
getOpDescriptor()->setAllowedInputTypes({ ALL_FLOATS })
->setSameMode(true);
}
}
}