1 /*
2  *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS. All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include <stdlib.h>
12 #include <string.h>
13 
14 #include "../unit_test/unit_test.h"
15 #include "libyuv/video_common.h"
16 
17 namespace libyuv {
18 
19 // Tests FourCC codes in video common, which are used for ConvertToI420().
20 
TestValidChar(uint32_t onecc)21 static bool TestValidChar(uint32_t onecc) {
22   return (onecc >= '0' && onecc <= '9') || (onecc >= 'A' && onecc <= 'Z') ||
23          (onecc >= 'a' && onecc <= 'z') || (onecc == ' ') || (onecc == 0xff);
24 }
25 
TestValidFourCC(uint32_t fourcc,int bpp)26 static bool TestValidFourCC(uint32_t fourcc, int bpp) {
27   if (!TestValidChar(fourcc & 0xff) || !TestValidChar((fourcc >> 8) & 0xff) ||
28       !TestValidChar((fourcc >> 16) & 0xff) ||
29       !TestValidChar((fourcc >> 24) & 0xff)) {
30     return false;
31   }
32   if (bpp < 0 || bpp > 32) {
33     return false;
34   }
35   return true;
36 }
37 
TEST_F(LibYUVBaseTest,TestCanonicalFourCC)38 TEST_F(LibYUVBaseTest, TestCanonicalFourCC) {
39   EXPECT_EQ(static_cast<uint32_t>(FOURCC_I420), CanonicalFourCC(FOURCC_IYUV));
40   EXPECT_EQ(static_cast<uint32_t>(FOURCC_I420), CanonicalFourCC(FOURCC_YU12));
41   EXPECT_EQ(static_cast<uint32_t>(FOURCC_I422), CanonicalFourCC(FOURCC_YU16));
42   EXPECT_EQ(static_cast<uint32_t>(FOURCC_I444), CanonicalFourCC(FOURCC_YU24));
43   EXPECT_EQ(static_cast<uint32_t>(FOURCC_YUY2), CanonicalFourCC(FOURCC_YUYV));
44   EXPECT_EQ(static_cast<uint32_t>(FOURCC_YUY2), CanonicalFourCC(FOURCC_YUVS));
45   EXPECT_EQ(static_cast<uint32_t>(FOURCC_UYVY), CanonicalFourCC(FOURCC_HDYC));
46   EXPECT_EQ(static_cast<uint32_t>(FOURCC_UYVY), CanonicalFourCC(FOURCC_2VUY));
47   EXPECT_EQ(static_cast<uint32_t>(FOURCC_MJPG), CanonicalFourCC(FOURCC_JPEG));
48   EXPECT_EQ(static_cast<uint32_t>(FOURCC_MJPG), CanonicalFourCC(FOURCC_DMB1));
49   EXPECT_EQ(static_cast<uint32_t>(FOURCC_RAW), CanonicalFourCC(FOURCC_RGB3));
50   EXPECT_EQ(static_cast<uint32_t>(FOURCC_24BG), CanonicalFourCC(FOURCC_BGR3));
51   EXPECT_EQ(static_cast<uint32_t>(FOURCC_BGRA), CanonicalFourCC(FOURCC_CM32));
52   EXPECT_EQ(static_cast<uint32_t>(FOURCC_RAW), CanonicalFourCC(FOURCC_CM24));
53   EXPECT_EQ(static_cast<uint32_t>(FOURCC_RGBO), CanonicalFourCC(FOURCC_L555));
54   EXPECT_EQ(static_cast<uint32_t>(FOURCC_RGBP), CanonicalFourCC(FOURCC_L565));
55   EXPECT_EQ(static_cast<uint32_t>(FOURCC_RGBO), CanonicalFourCC(FOURCC_5551));
56 }
57 
TEST_F(LibYUVBaseTest,TestFourCC)58 TEST_F(LibYUVBaseTest, TestFourCC) {
59   EXPECT_TRUE(TestValidFourCC(FOURCC_I420, FOURCC_BPP_I420));
60   EXPECT_TRUE(TestValidFourCC(FOURCC_I420, FOURCC_BPP_I420));
61   EXPECT_TRUE(TestValidFourCC(FOURCC_I422, FOURCC_BPP_I422));
62   EXPECT_TRUE(TestValidFourCC(FOURCC_I444, FOURCC_BPP_I444));
63   EXPECT_TRUE(TestValidFourCC(FOURCC_I400, FOURCC_BPP_I400));
64   EXPECT_TRUE(TestValidFourCC(FOURCC_NV21, FOURCC_BPP_NV21));
65   EXPECT_TRUE(TestValidFourCC(FOURCC_NV12, FOURCC_BPP_NV12));
66   EXPECT_TRUE(TestValidFourCC(FOURCC_YUY2, FOURCC_BPP_YUY2));
67   EXPECT_TRUE(TestValidFourCC(FOURCC_UYVY, FOURCC_BPP_UYVY));
68   EXPECT_TRUE(TestValidFourCC(FOURCC_M420, FOURCC_BPP_M420));
69   EXPECT_TRUE(TestValidFourCC(FOURCC_Q420, FOURCC_BPP_Q420));  // deprecated.
70   EXPECT_TRUE(TestValidFourCC(FOURCC_ARGB, FOURCC_BPP_ARGB));
71   EXPECT_TRUE(TestValidFourCC(FOURCC_BGRA, FOURCC_BPP_BGRA));
72   EXPECT_TRUE(TestValidFourCC(FOURCC_ABGR, FOURCC_BPP_ABGR));
73   EXPECT_TRUE(TestValidFourCC(FOURCC_AR30, FOURCC_BPP_AR30));
74   EXPECT_TRUE(TestValidFourCC(FOURCC_AB30, FOURCC_BPP_AB30));
75   EXPECT_TRUE(TestValidFourCC(FOURCC_24BG, FOURCC_BPP_24BG));
76   EXPECT_TRUE(TestValidFourCC(FOURCC_RAW, FOURCC_BPP_RAW));
77   EXPECT_TRUE(TestValidFourCC(FOURCC_RGBA, FOURCC_BPP_RGBA));
78   EXPECT_TRUE(TestValidFourCC(FOURCC_RGBP, FOURCC_BPP_RGBP));
79   EXPECT_TRUE(TestValidFourCC(FOURCC_RGBO, FOURCC_BPP_RGBO));
80   EXPECT_TRUE(TestValidFourCC(FOURCC_R444, FOURCC_BPP_R444));
81   EXPECT_TRUE(TestValidFourCC(FOURCC_H420, FOURCC_BPP_H420));
82   EXPECT_TRUE(TestValidFourCC(FOURCC_H422, FOURCC_BPP_H422));
83   EXPECT_TRUE(TestValidFourCC(FOURCC_H010, FOURCC_BPP_H010));
84   EXPECT_TRUE(TestValidFourCC(FOURCC_MJPG, FOURCC_BPP_MJPG));
85   EXPECT_TRUE(TestValidFourCC(FOURCC_YV12, FOURCC_BPP_YV12));
86   EXPECT_TRUE(TestValidFourCC(FOURCC_YV16, FOURCC_BPP_YV16));
87   EXPECT_TRUE(TestValidFourCC(FOURCC_YV24, FOURCC_BPP_YV24));
88   EXPECT_TRUE(TestValidFourCC(FOURCC_YU12, FOURCC_BPP_YU12));
89   EXPECT_TRUE(TestValidFourCC(FOURCC_IYUV, FOURCC_BPP_IYUV));
90   EXPECT_TRUE(TestValidFourCC(FOURCC_YU16, FOURCC_BPP_YU16));
91   EXPECT_TRUE(TestValidFourCC(FOURCC_YU24, FOURCC_BPP_YU24));
92   EXPECT_TRUE(TestValidFourCC(FOURCC_YUYV, FOURCC_BPP_YUYV));
93   EXPECT_TRUE(TestValidFourCC(FOURCC_YUVS, FOURCC_BPP_YUVS));
94   EXPECT_TRUE(TestValidFourCC(FOURCC_HDYC, FOURCC_BPP_HDYC));
95   EXPECT_TRUE(TestValidFourCC(FOURCC_2VUY, FOURCC_BPP_2VUY));
96   EXPECT_TRUE(TestValidFourCC(FOURCC_JPEG, FOURCC_BPP_JPEG));
97   EXPECT_TRUE(TestValidFourCC(FOURCC_DMB1, FOURCC_BPP_DMB1));
98   EXPECT_TRUE(TestValidFourCC(FOURCC_BA81, FOURCC_BPP_BA81));
99   EXPECT_TRUE(TestValidFourCC(FOURCC_RGB3, FOURCC_BPP_RGB3));
100   EXPECT_TRUE(TestValidFourCC(FOURCC_BGR3, FOURCC_BPP_BGR3));
101   EXPECT_TRUE(TestValidFourCC(FOURCC_H264, FOURCC_BPP_H264));
102   EXPECT_TRUE(TestValidFourCC(FOURCC_ANY, FOURCC_BPP_ANY));
103 }
104 
105 }  // namespace libyuv
106