1 /* 2 * v4l-test: Test environment for Video For Linux Two API 3 * 4 * 20 Apr 2009 0.4 Added string content validation 5 * 18 Apr 2009 0.3 More strict check for strings 6 * 25 Mar 2009 0.2 Typos corrected, cleaned up dprintf() outputs; 7 * cleaned up ret and errno variable names 8 * 1 Jan 2009 0.1 First release 9 * 10 * Written by Mrton Nmeth <nm127 (at) freemail.hu> 11 * Released under GPL 12 * 13 * Note: in ioctl VIDIOC_ENUMAUDOUT reference (doc/spec/r8304.htm) 14 * the description text mentions the VIDIOC_G_AUDOUT should 15 * be called. This is a typo in the V4L2 specification (revision 0.24). 16 * To enumerate the audio outputs the VIDIOC_ENUMAUDOUT should be 17 * called. 18 * 19 */ 20 21 #include <stdio.h> 22 #include <sys/types.h> 23 #include <sys/stat.h> 24 #include <fcntl.h> 25 #include <unistd.h> 26 #include <sys/ioctl.h> 27 #include <errno.h> 28 #include <string.h> 29 30 #include <linux/videodev2.h> 31 #include <linux/errno.h> 32 33 #include <CUnit/CUnit.h> 34 #include <CUnit/Basic.h> 35 36 #include "v4l2_test.h" 37 #include "dev_video.h" 38 #include "video_limits.h" 39 #include "v4l2_validator.h" 40 41 #include "test_VIDIOC_ENUMAUDOUT.h" 42 43 void test_VIDIOC_ENUMAUDOUT() 44 { 45 int ret_enum, errno_enum; 46 struct v4l2_audioout audioout; 47 struct v4l2_audioout audioout2; 48 __u32 i; 49 50 i = 0; 51 do { 52 memset(&audioout, 0xff, sizeof(audioout)); 53 audioout.index = i; 54 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMAUDOUT, &audioout); 55 errno_enum = errno; 56 57 dprintf("\tVIDIOC_ENUMAUDOUT, ret_enum=%i, errno_enum=%i\n", 58 ret_enum, errno_enum); 59 60 if (ret_enum == 0) { 61 CU_ASSERT_EQUAL(ret_enum, 0); 62 CU_ASSERT_EQUAL(audioout.index, i); 63 64 CU_ASSERT(0 < strlen((char *)audioout.name)); 65 CU_ASSERT(valid_string 66 ((char *)audioout.name, 67 sizeof(audioout.name))); 68 69 //CU_ASSERT_EQUAL(audioout.capability, ?); 70 //CU_ASSERT_EQUAL(audioout.mode, ?); 71 CU_ASSERT_EQUAL(audioout.reserved[0], 0); 72 CU_ASSERT_EQUAL(audioout.reserved[1], 0); 73 74 /* Check if the unused bytes of the name string are 75 * also filled with zeros. Also check if there is any 76 * padding byte between any two fields then this 77 * padding byte is also filled with zeros. 78 */ 79 memset(&audioout2, 0, sizeof(audioout2)); 80 audioout2.index = audioout.index; 81 strncpy((char *)audioout2.name, (char *)audioout.name, 82 sizeof(audioout2.name)); 83 audioout2.capability = audioout.capability; 84 audioout2.mode = audioout.mode; 85 CU_ASSERT_EQUAL(memcmp 86 (&audioout, &audioout2, 87 sizeof(audioout)), 0); 88 89 dprintf("\taudioout = {.index=%u, .name=\"%s\", " 90 ".capability=0x%X, .mode=0x%X, " 91 ".reserved[]={ 0x%X, 0x%X } }\n", 92 audioout.index, 93 audioout.name, 94 audioout.capability, 95 audioout.mode, 96 audioout.reserved[0], audioout.reserved[1] 97 ); 98 99 } else { 100 CU_ASSERT_EQUAL(ret_enum, -1); 101 CU_ASSERT_EQUAL(errno_enum, EINVAL); 102 103 /* check whether the structure is untouched */ 104 memset(&audioout2, 0xff, sizeof(audioout2)); 105 audioout2.index = i; 106 CU_ASSERT_EQUAL(memcmp 107 (&audioout, &audioout2, 108 sizeof(audioout)), 0); 109 110 } 111 i++; 112 } while (ret_enum == 0); 113 114 } 115 116 void test_VIDIOC_ENUMAUDOUT_S32_MAX() 117 { 118 int ret_enum, errno_enum; 119 struct v4l2_audioout audioout; 120 struct v4l2_audioout audioout2; 121 122 memset(&audioout, 0xff, sizeof(audioout)); 123 audioout.index = (__u32) S32_MAX; 124 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMAUDOUT, &audioout); 125 errno_enum = errno; 126 127 CU_ASSERT_EQUAL(ret_enum, -1); 128 CU_ASSERT_EQUAL(errno_enum, EINVAL); 129 130 /* Check whether the original audioout struct is untouched */ 131 memset(&audioout2, 0xff, sizeof(audioout2)); 132 audioout2.index = (__u32) S32_MAX; 133 CU_ASSERT_EQUAL(memcmp(&audioout, &audioout2, sizeof(audioout)), 0); 134 } 135 136 void test_VIDIOC_ENUMAUDOUT_S32_MAX_1() 137 { 138 int ret_enum, errno_enum; 139 struct v4l2_audioout audioout; 140 struct v4l2_audioout audioout2; 141 142 memset(&audioout, 0xff, sizeof(audioout)); 143 audioout.index = ((__u32) S32_MAX) + 1; 144 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMAUDOUT, &audioout); 145 errno_enum = errno; 146 147 CU_ASSERT_EQUAL(ret_enum, -1); 148 CU_ASSERT_EQUAL(errno_enum, EINVAL); 149 150 /* Check whether the original audioout struct is untouched */ 151 memset(&audioout2, 0xff, sizeof(audioout2)); 152 audioout2.index = ((__u32) S32_MAX) + 1; 153 CU_ASSERT_EQUAL(memcmp(&audioout, &audioout2, sizeof(audioout)), 0); 154 } 155 156 void test_VIDIOC_ENUMAUDOUT_U32_MAX() 157 { 158 int ret_enum, errno_enum; 159 struct v4l2_audioout audioout; 160 struct v4l2_audioout audioout2; 161 162 memset(&audioout, 0xff, sizeof(audioout)); 163 audioout.index = U32_MAX; 164 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMAUDOUT, &audioout); 165 errno_enum = errno; 166 167 CU_ASSERT_EQUAL(ret_enum, -1); 168 CU_ASSERT_EQUAL(errno_enum, EINVAL); 169 170 /* Check whether the original audioout struct is untouched */ 171 memset(&audioout2, 0xff, sizeof(audioout2)); 172 audioout2.index = U32_MAX; 173 CU_ASSERT_EQUAL(memcmp(&audioout, &audioout2, sizeof(audioout)), 0); 174 } 175 176 void test_VIDIOC_ENUMAUDOUT_NULL() 177 { 178 int ret_enum, errno_enum; 179 struct v4l2_audioout audioout; 180 int ret_null, errno_null; 181 182 memset(&audioout, 0, sizeof(audioout)); 183 audioout.index = 0; 184 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMAUDOUT, &audioout); 185 errno_enum = errno; 186 187 dprintf("\t%s:%u: VIDIOC_ENUMAUDOUT, ret_enum=%i, errno_enum=%i\n", 188 __FILE__, __LINE__, ret_enum, errno_enum); 189 190 ret_null = ioctl(get_video_fd(), VIDIOC_ENUMAUDOUT, NULL); 191 errno_null = errno; 192 193 dprintf("\t%s:%u: VIDIOC_ENUMAUDOUT, ret_null=%i, errno_null=%i\n", 194 __FILE__, __LINE__, ret_null, errno_null); 195 196 if (ret_enum == 0) { 197 CU_ASSERT_EQUAL(ret_enum, 0); 198 CU_ASSERT_EQUAL(ret_null, -1); 199 CU_ASSERT_EQUAL(errno_null, EFAULT); 200 } else { 201 CU_ASSERT_EQUAL(ret_enum, -1); 202 CU_ASSERT_EQUAL(errno_enum, EINVAL); 203 CU_ASSERT_EQUAL(ret_null, -1); 204 CU_ASSERT_EQUAL(errno_null, EINVAL); 205 } 206 207 } 208
