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/*
* Copyright (c) 2008 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "media/base/video_common.h"
#include "test/gtest.h"
namespace cricket {
TEST(VideoCommonTest, TestCanonicalFourCC) {
// Canonical fourccs are not changed.
EXPECT_EQ(FOURCC_I420, CanonicalFourCC(FOURCC_I420));
// The special FOURCC_ANY value is not changed.
EXPECT_EQ(FOURCC_ANY, CanonicalFourCC(FOURCC_ANY));
// Aliases are translated to the canonical equivalent.
EXPECT_EQ(FOURCC_I420, CanonicalFourCC(FOURCC_IYUV));
EXPECT_EQ(FOURCC_I422, CanonicalFourCC(FOURCC_YU16));
EXPECT_EQ(FOURCC_I444, CanonicalFourCC(FOURCC_YU24));
EXPECT_EQ(FOURCC_YUY2, CanonicalFourCC(FOURCC_YUYV));
EXPECT_EQ(FOURCC_YUY2, CanonicalFourCC(FOURCC_YUVS));
EXPECT_EQ(FOURCC_UYVY, CanonicalFourCC(FOURCC_HDYC));
EXPECT_EQ(FOURCC_UYVY, CanonicalFourCC(FOURCC_2VUY));
EXPECT_EQ(FOURCC_MJPG, CanonicalFourCC(FOURCC_JPEG));
EXPECT_EQ(FOURCC_MJPG, CanonicalFourCC(FOURCC_DMB1));
EXPECT_EQ(FOURCC_BGGR, CanonicalFourCC(FOURCC_BA81));
EXPECT_EQ(FOURCC_RAW, CanonicalFourCC(FOURCC_RGB3));
EXPECT_EQ(FOURCC_24BG, CanonicalFourCC(FOURCC_BGR3));
EXPECT_EQ(FOURCC_BGRA, CanonicalFourCC(FOURCC_CM32));
EXPECT_EQ(FOURCC_RAW, CanonicalFourCC(FOURCC_CM24));
}
// Test conversion between interval and fps
TEST(VideoCommonTest, TestVideoFormatFps) {
EXPECT_EQ(VideoFormat::kMinimumInterval, VideoFormat::FpsToInterval(0));
EXPECT_EQ(rtc::kNumNanosecsPerSec / 20, VideoFormat::FpsToInterval(20));
EXPECT_EQ(20, VideoFormat::IntervalToFps(rtc::kNumNanosecsPerSec / 20));
EXPECT_EQ(0, VideoFormat::IntervalToFps(0));
}
// Test IsSize0x0
TEST(VideoCommonTest, TestVideoFormatIsSize0x0) {
VideoFormat format;
EXPECT_TRUE(format.IsSize0x0());
format.width = 320;
EXPECT_FALSE(format.IsSize0x0());
}
// Test ToString: print fourcc when it is printable.
TEST(VideoCommonTest, TestVideoFormatToString) {
VideoFormat format;
EXPECT_EQ("0x0x0", format.ToString());
format.fourcc = FOURCC_I420;
format.width = 640;
format.height = 480;
format.interval = VideoFormat::FpsToInterval(20);
EXPECT_EQ("I420 640x480x20", format.ToString());
format.fourcc = FOURCC_ANY;
format.width = 640;
format.height = 480;
format.interval = VideoFormat::FpsToInterval(20);
EXPECT_EQ("640x480x20", format.ToString());
}
// Test comparison.
TEST(VideoCommonTest, TestVideoFormatCompare) {
VideoFormat format(640, 480, VideoFormat::FpsToInterval(20), FOURCC_I420);
VideoFormat format2;
EXPECT_NE(format, format2);
// Same pixelrate, different fourcc.
format2 = format;
format2.fourcc = FOURCC_YUY2;
EXPECT_NE(format, format2);
EXPECT_FALSE(format.IsPixelRateLess(format2) ||
format2.IsPixelRateLess(format2));
format2 = format;
format2.interval /= 2;
EXPECT_TRUE(format.IsPixelRateLess(format2));
format2 = format;
format2.width *= 2;
EXPECT_TRUE(format.IsPixelRateLess(format2));
}
TEST(VideoCommonTest, GreatestCommonDivisor) {
EXPECT_EQ(GreatestCommonDivisor(0, 1000), 1000);
EXPECT_EQ(GreatestCommonDivisor(1, 1), 1);
EXPECT_EQ(GreatestCommonDivisor(8, 12), 4);
EXPECT_EQ(GreatestCommonDivisor(24, 54), 6);
}
TEST(VideoCommonTest, LeastCommonMultiple) {
EXPECT_EQ(LeastCommonMultiple(1, 1), 1);
EXPECT_EQ(LeastCommonMultiple(2, 3), 6);
EXPECT_EQ(LeastCommonMultiple(16, 32), 32);
}
} // namespace cricket
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