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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <climits>
#include "aom/aom_image.h"
#include "gtest/gtest.h"
TEST(AomImageTest, AomImgWrapInvalidAlign) {
const int kWidth = 128;
const int kHeight = 128;
unsigned char buf[kWidth * kHeight * 3];
aom_image_t img;
// Set img_data and img_data_owner to junk values. aom_img_wrap() should
// not read these values on failure.
img.img_data = (unsigned char *)"";
img.img_data_owner = 1;
aom_img_fmt_t format = AOM_IMG_FMT_I444;
// 'align' must be a power of 2 but is not. This causes the aom_img_wrap()
// call to fail. The test verifies we do not read the junk values in 'img'.
unsigned int align = 31;
EXPECT_EQ(aom_img_wrap(&img, format, kWidth, kHeight, align, buf), nullptr);
}
TEST(AomImageTest, AomImgSetRectOverflow) {
const int kWidth = 128;
const int kHeight = 128;
unsigned char buf[kWidth * kHeight * 3];
aom_image_t img;
aom_img_fmt_t format = AOM_IMG_FMT_I444;
unsigned int align = 32;
EXPECT_EQ(aom_img_wrap(&img, format, kWidth, kHeight, align, buf), &img);
EXPECT_EQ(aom_img_set_rect(&img, 0, 0, kWidth, kHeight, 0), 0);
// This would result in overflow because -1 is cast to UINT_MAX.
EXPECT_NE(aom_img_set_rect(&img, static_cast<unsigned int>(-1),
static_cast<unsigned int>(-1), kWidth, kHeight, 0),
0);
}
TEST(AomImageTest, AomImgAllocNone) {
const int kWidth = 128;
const int kHeight = 128;
aom_image_t img;
aom_img_fmt_t format = AOM_IMG_FMT_NONE;
unsigned int align = 32;
ASSERT_EQ(aom_img_alloc(&img, format, kWidth, kHeight, align), nullptr);
}
TEST(AomImageTest, AomImgAllocNv12) {
const int kWidth = 128;
const int kHeight = 128;
aom_image_t img;
aom_img_fmt_t format = AOM_IMG_FMT_NV12;
unsigned int align = 32;
EXPECT_EQ(aom_img_alloc(&img, format, kWidth, kHeight, align), &img);
EXPECT_EQ(img.stride[AOM_PLANE_U], img.stride[AOM_PLANE_Y]);
EXPECT_EQ(img.stride[AOM_PLANE_V], 0);
EXPECT_EQ(img.planes[AOM_PLANE_V], nullptr);
aom_img_free(&img);
}
TEST(AomImageTest, AomImgAllocHugeWidth) {
// The stride (0x80000000 * 2) would overflow unsigned int.
aom_image_t *image =
aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, 0x80000000, 1, 1);
ASSERT_EQ(image, nullptr);
// The stride (0x80000000) would overflow int.
image = aom_img_alloc(nullptr, AOM_IMG_FMT_I420, 0x80000000, 1, 1);
ASSERT_EQ(image, nullptr);
// The aligned width (UINT_MAX + 1) would overflow unsigned int.
image = aom_img_alloc(nullptr, AOM_IMG_FMT_I420, UINT_MAX, 1, 1);
ASSERT_EQ(image, nullptr);
image = aom_img_alloc_with_border(nullptr, AOM_IMG_FMT_I422, 1, INT_MAX, 1,
0x40000000, 0);
if (image) {
uint16_t *y_plane =
reinterpret_cast<uint16_t *>(image->planes[AOM_PLANE_Y]);
y_plane[0] = 0;
y_plane[image->d_w - 1] = 0;
aom_img_free(image);
}
image = aom_img_alloc(nullptr, AOM_IMG_FMT_I420, 0x7ffffffe, 1, 1);
if (image) {
aom_img_free(image);
}
image = aom_img_alloc(nullptr, AOM_IMG_FMT_I420, 285245883, 64, 1);
if (image) {
aom_img_free(image);
}
image = aom_img_alloc(nullptr, AOM_IMG_FMT_NV12, 285245883, 64, 1);
if (image) {
aom_img_free(image);
}
image = aom_img_alloc(nullptr, AOM_IMG_FMT_YV12, 285245883, 64, 1);
if (image) {
aom_img_free(image);
}
image = aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, 65536, 2, 1);
if (image) {
uint16_t *y_plane =
reinterpret_cast<uint16_t *>(image->planes[AOM_PLANE_Y]);
y_plane[0] = 0;
y_plane[image->d_w - 1] = 0;
aom_img_free(image);
}
image = aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, 285245883, 2, 1);
if (image) {
uint16_t *y_plane =
reinterpret_cast<uint16_t *>(image->planes[AOM_PLANE_Y]);
y_plane[0] = 0;
y_plane[image->d_w - 1] = 0;
aom_img_free(image);
}
}
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