Merge "Remove unused libstagefright_yuv"

LOCAL_PATH:= $(call my-dir)

include $(CLEAR_VARS)

LOCAL_SRC_FILES:=               \

        YUVImage.cpp            \

        YUVCanvas.cpp

LOCAL_SHARED_LIBRARIES :=       \

        libcutils \

        liblog

LOCAL_MODULE:= libstagefright_yuv

LOCAL_CFLAGS += -Werror -Wall

LOCAL_CLANG := true

LOCAL_SANITIZE := signed-integer-overflow

include $(BUILD_SHARED_LIBRARY)

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/*

 * Copyright (C) 2010 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://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.

 */

#define LOG_NDEBUG 0

#define LOG_TAG "YUVCanvas"

#include <media/stagefright/foundation/ADebug.h>

#include <media/stagefright/YUVCanvas.h>

#include <media/stagefright/YUVImage.h>

#include <ui/Rect.h>

namespace android {

YUVCanvas::YUVCanvas(YUVImage &yuvImage)

    : mYUVImage(yuvImage) {

}

YUVCanvas::~YUVCanvas() {

}

void YUVCanvas::FillYUV(uint8_t yValue, uint8_t uValue, uint8_t vValue) {

    for (int32_t y = 0; y < mYUVImage.height(); ++y) {

        for (int32_t x = 0; x < mYUVImage.width(); ++x) {

            mYUVImage.setPixelValue(x, y, yValue, uValue, vValue);

        }

    }

}

void YUVCanvas::FillYUVRectangle(const Rect& rect,

        uint8_t yValue, uint8_t uValue, uint8_t vValue) {

    for (int32_t y = rect.top; y < rect.bottom; ++y) {

        for (int32_t x = rect.left; x < rect.right; ++x) {

            mYUVImage.setPixelValue(x, y, yValue, uValue, vValue);

        }

    }

}

void YUVCanvas::CopyImageRect(

        const Rect& srcRect,

        int32_t destStartX, int32_t destStartY,

        const YUVImage &srcImage) {

    // Try fast copy first

    if (YUVImage::fastCopyRectangle(

                srcRect,

                destStartX, destStartY,

                srcImage, mYUVImage)) {

        return;

    }

    int32_t srcStartX = srcRect.left;

    int32_t srcStartY = srcRect.top;

    for (int32_t offsetY = 0; offsetY < srcRect.height(); ++offsetY) {

        for (int32_t offsetX = 0; offsetX < srcRect.width(); ++offsetX) {

            int32_t srcX = srcStartX + offsetX;

            int32_t srcY = srcStartY + offsetY;

            int32_t destX = destStartX + offsetX;

            int32_t destY = destStartY + offsetY;

            uint8_t yValue;

            uint8_t uValue;

            uint8_t vValue;

            srcImage.getPixelValue(srcX, srcY, &yValue, &uValue, &vValue);

            mYUVImage.setPixelValue(destX, destY, yValue, uValue, vValue);

        }

    }

}

void YUVCanvas::downsample(

        int32_t srcOffsetX, int32_t srcOffsetY,

        int32_t skipX, int32_t skipY,

        const YUVImage &srcImage) {

    // TODO: Add a low pass filter for downsampling.

    // Check that srcImage is big enough to fill mYUVImage.

    CHECK((srcOffsetX + (mYUVImage.width() - 1) * skipX) < srcImage.width());

    CHECK((srcOffsetY + (mYUVImage.height() - 1) * skipY) < srcImage.height());

    uint8_t yValue;

    uint8_t uValue;

    uint8_t vValue;

    int32_t srcY = srcOffsetY;

    for (int32_t y = 0; y < mYUVImage.height(); ++y) {

        int32_t srcX = srcOffsetX;

        for (int32_t x = 0; x < mYUVImage.width(); ++x) {

            srcImage.getPixelValue(srcX, srcY, &yValue, &uValue, &vValue);

            mYUVImage.setPixelValue(x, y, yValue, uValue, vValue);

            srcX += skipX;

        }

        srcY += skipY;

    }

}

}  // namespace android