Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | /*! |
| 18 | * \file exynos_v4l2.c |
| 19 | * \brief source file for libv4l2 |
| 20 | * \author Jinsung Yang (jsgood.yang@samsung.com) |
| 21 | * \author Sangwoo Park (sw5771.park@samsung.com) |
| 22 | * \date 2012/01/17 |
| 23 | * |
| 24 | * <b>Revision History: </b> |
| 25 | * - 2012/01/17: Jinsung Yang (jsgood.yang@samsung.com) \n |
| 26 | * Initial version |
| 27 | * |
| 28 | */ |
| 29 | |
| 30 | #include <stdio.h> |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 31 | #include <errno.h> |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 32 | #include <stdarg.h> |
| 33 | #include <fcntl.h> |
| 34 | #include <string.h> |
| 35 | #include <sys/types.h> |
| 36 | #include <sys/ioctl.h> |
| 37 | #include <sys/stat.h> |
| 38 | |
| 39 | #include "exynos_v4l2.h" |
| 40 | |
| 41 | //#define LOG_NDEBUG 0 |
| 42 | #define LOG_TAG "libexynosv4l2" |
| 43 | #include <utils/Log.h> |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 44 | #include "Exynos_log.h" |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 45 | |
| 46 | #define VIDEODEV_MINOR_MAX 63 |
| 47 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 48 | //#define EXYNOS_V4L2_TRACE 0 |
| 49 | #ifdef EXYNOS_V4L2_TRACE |
| 50 | #define Exynos_v4l2_In() Exynos_Log(EXYNOS_DEV_LOG_DEBUG, LOG_TAG, "%s In , Line: %d", __FUNCTION__, __LINE__) |
| 51 | #define Exynos_v4l2_Out() Exynos_Log(EXYNOS_DEV_LOG_DEBUG, LOG_TAG, "%s Out , Line: %d", __FUNCTION__, __LINE__) |
| 52 | #else |
| 53 | #define Exynos_v4l2_In() ((void *)0) |
| 54 | #define Exynos_v4l2_Out() ((void *)0) |
| 55 | #endif |
| 56 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 57 | static bool __v4l2_check_buf_type(enum v4l2_buf_type type) |
| 58 | { |
| 59 | bool supported; |
| 60 | |
| 61 | switch (type) { |
| 62 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 63 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 64 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
| 65 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 66 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 67 | supported = true; |
| 68 | break; |
| 69 | |
| 70 | default: |
| 71 | supported = (type >= V4L2_BUF_TYPE_PRIVATE) ? true : false; |
| 72 | break; |
| 73 | } |
| 74 | |
| 75 | return supported; |
| 76 | } |
| 77 | |
| 78 | static int __v4l2_open(const char *filename, int oflag, va_list ap) |
| 79 | { |
| 80 | mode_t mode = 0; |
| 81 | int fd; |
| 82 | |
| 83 | if (oflag & O_CREAT) |
| 84 | mode = va_arg(ap, int); |
| 85 | |
| 86 | fd = open(filename, oflag, mode); |
| 87 | |
| 88 | return fd; |
| 89 | } |
| 90 | |
| 91 | int exynos_v4l2_open(const char *filename, int oflag, ...) |
| 92 | { |
| 93 | va_list ap; |
| 94 | int fd; |
| 95 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 96 | Exynos_v4l2_In(); |
| 97 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 98 | va_start(ap, oflag); |
| 99 | fd = __v4l2_open(filename, oflag, ap); |
| 100 | va_end(ap); |
| 101 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 102 | Exynos_v4l2_Out(); |
| 103 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 104 | return fd; |
| 105 | } |
| 106 | |
| 107 | int exynos_v4l2_open_devname(const char *devname, int oflag, ...) |
| 108 | { |
| 109 | bool found = false; |
| 110 | int fd = -1; |
| 111 | struct stat s; |
| 112 | va_list ap; |
| 113 | FILE *stream_fd; |
| 114 | char filename[64], name[64]; |
| 115 | int minor, size, i = 0; |
| 116 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 117 | Exynos_v4l2_In(); |
| 118 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 119 | do { |
| 120 | if (i > VIDEODEV_MINOR_MAX) |
| 121 | break; |
| 122 | |
| 123 | /* video device node */ |
| 124 | sprintf(filename, "/dev/video%d", i++); |
| 125 | |
| 126 | /* if the node is video device */ |
| 127 | if ((lstat(filename, &s) == 0) && S_ISCHR(s.st_mode) && |
| 128 | ((int)((unsigned short)(s.st_rdev) >> 8) == 81)) { |
| 129 | minor = (int)((unsigned short)(s.st_rdev & 0x3f)); |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 130 | ALOGD("try node: %s, minor: %d", filename, minor); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 131 | /* open sysfs entry */ |
| 132 | sprintf(filename, "/sys/class/video4linux/video%d/name", minor); |
| 133 | stream_fd = fopen(filename, "r"); |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 134 | if (stream_fd == NULL) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 135 | ALOGE("failed to open sysfs entry for videodev"); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 136 | continue; /* try next */ |
| 137 | } |
| 138 | |
| 139 | /* read sysfs entry for device name */ |
| 140 | size = (int)fgets(name, sizeof(name), stream_fd); |
| 141 | fclose(stream_fd); |
| 142 | |
| 143 | /* check read size */ |
| 144 | if (size == 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 145 | ALOGE("failed to read sysfs entry for videodev"); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 146 | } else { |
| 147 | /* matched */ |
| 148 | if (strncmp(name, devname, strlen(devname)) == 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 149 | ALOGI("node found for device %s: /dev/video%d", devname, minor); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 150 | found = true; |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | } while (found == false); |
| 155 | |
| 156 | if (found) { |
| 157 | sprintf(filename, "/dev/video%d", minor); |
| 158 | va_start(ap, oflag); |
| 159 | fd = __v4l2_open(filename, oflag, ap); |
| 160 | va_end(ap); |
| 161 | |
| 162 | if (fd > 0) |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 163 | ALOGI("open video device %s", filename); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 164 | else |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 165 | ALOGE("failed to open video device %s", filename); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 166 | } else { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 167 | ALOGE("no video device found"); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 168 | } |
| 169 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 170 | Exynos_v4l2_Out(); |
| 171 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 172 | return fd; |
| 173 | } |
| 174 | |
| 175 | int exynos_v4l2_close(int fd) |
| 176 | { |
| 177 | int ret = -1; |
| 178 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 179 | Exynos_v4l2_In(); |
| 180 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 181 | if (fd < 0) |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 182 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 183 | else |
| 184 | ret = close(fd); |
| 185 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 186 | Exynos_v4l2_Out(); |
| 187 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 188 | return ret; |
| 189 | } |
| 190 | |
| 191 | bool exynos_v4l2_enuminput(int fd, int index, char *input_name_buf) |
| 192 | { |
| 193 | int ret = -1; |
| 194 | struct v4l2_input input; |
| 195 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 196 | Exynos_v4l2_In(); |
| 197 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 198 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 199 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 200 | return NULL; |
| 201 | } |
| 202 | |
| 203 | input.index = index; |
| 204 | ret = ioctl(fd, VIDIOC_ENUMINPUT, &input); |
| 205 | if (ret) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 206 | ALOGE("%s: no matching index founds", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 207 | return false; |
| 208 | } |
| 209 | |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 210 | ALOGI("Name of input channel[%d] is %s", input.index, input.name); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 211 | |
| 212 | strcpy(input_name_buf, (const char *)input.name); |
| 213 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 214 | Exynos_v4l2_Out(); |
| 215 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 216 | return true; |
| 217 | } |
| 218 | |
| 219 | int exynos_v4l2_s_input(int fd, int index) |
| 220 | { |
| 221 | int ret = -1; |
| 222 | struct v4l2_input input; |
| 223 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 224 | Exynos_v4l2_In(); |
| 225 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 226 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 227 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 228 | return ret; |
| 229 | } |
| 230 | |
| 231 | input.index = index; |
| 232 | |
| 233 | ret = ioctl(fd, VIDIOC_S_INPUT, &input); |
| 234 | if (ret){ |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 235 | ALOGE("failed to ioctl: VIDIOC_S_INPUT (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 236 | return ret; |
| 237 | } |
| 238 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 239 | Exynos_v4l2_Out(); |
| 240 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 241 | return ret; |
| 242 | } |
| 243 | |
| 244 | bool exynos_v4l2_querycap(int fd, unsigned int need_caps) |
| 245 | { |
| 246 | struct v4l2_capability cap; |
| 247 | int ret; |
| 248 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 249 | Exynos_v4l2_In(); |
| 250 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 251 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 252 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 253 | return false; |
| 254 | } |
| 255 | |
| 256 | if (!(need_caps & V4L2_CAP_VIDEO_CAPTURE) && |
| 257 | !(need_caps & V4L2_CAP_VIDEO_CAPTURE_MPLANE) && |
| 258 | !(need_caps & V4L2_CAP_VIDEO_OUTPUT) && |
| 259 | !(need_caps & V4L2_CAP_VIDEO_OUTPUT_MPLANE) && |
| 260 | !(need_caps & V4L2_CAP_VIDEO_OVERLAY)) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 261 | ALOGE("%s: unsupported capabilities", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 262 | return false; |
| 263 | } |
| 264 | |
| 265 | memset(&cap, 0, sizeof(cap)); |
| 266 | |
| 267 | ret = ioctl(fd, VIDIOC_QUERYCAP, &cap); |
| 268 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 269 | ALOGE("failed to ioctl: VIDIOC_QUERYCAP (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 270 | return false; |
| 271 | } |
| 272 | |
| 273 | if ((need_caps & cap.capabilities) != need_caps) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 274 | ALOGE("%s: unsupported capabilities", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 275 | return false; |
| 276 | } |
| 277 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 278 | Exynos_v4l2_Out(); |
| 279 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 280 | return true; |
| 281 | } |
| 282 | |
| 283 | bool exynos_v4l2_enum_fmt(int fd, enum v4l2_buf_type type, unsigned int fmt) |
| 284 | { |
| 285 | struct v4l2_fmtdesc fmtdesc; |
| 286 | int found = 0; |
| 287 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 288 | Exynos_v4l2_In(); |
| 289 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 290 | fmtdesc.type = type; |
| 291 | fmtdesc.index = 0; |
| 292 | |
| 293 | while (ioctl(fd, VIDIOC_ENUM_FMT, &fmtdesc) == 0) { |
| 294 | if (fmtdesc.pixelformat == fmt) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 295 | ALOGE("Passed fmt = %#x found pixel format[%d]: %s", fmt, fmtdesc.index, fmtdesc.description); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 296 | found = 1; |
| 297 | break; |
| 298 | } |
| 299 | |
| 300 | fmtdesc.index++; |
| 301 | } |
| 302 | |
| 303 | if (!found) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 304 | ALOGE("%s: unsupported pixel format", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 305 | return false; |
| 306 | } |
| 307 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 308 | Exynos_v4l2_Out(); |
| 309 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 310 | return true; |
| 311 | } |
| 312 | |
| 313 | int exynos_v4l2_g_fmt(int fd, struct v4l2_format *fmt) |
| 314 | { |
| 315 | int ret = -1; |
| 316 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 317 | Exynos_v4l2_In(); |
| 318 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 319 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 320 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 321 | return ret; |
| 322 | } |
| 323 | |
| 324 | if (!fmt) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 325 | ALOGE("%s: fmt is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 326 | return ret; |
| 327 | } |
| 328 | |
| 329 | if (__v4l2_check_buf_type(fmt->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 330 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 331 | return ret; |
| 332 | } |
| 333 | |
| 334 | ret = ioctl(fd, VIDIOC_G_FMT, fmt); |
| 335 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 336 | ALOGE("failed to ioctl: VIDIOC_G_FMT (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 337 | return ret; |
| 338 | } |
| 339 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 340 | Exynos_v4l2_Out(); |
| 341 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 342 | return ret; |
| 343 | } |
| 344 | |
| 345 | static int __v4l2_s_fmt(int fd, unsigned int request, struct v4l2_format *fmt) |
| 346 | { |
| 347 | int ret = -1; |
| 348 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 349 | Exynos_v4l2_In(); |
| 350 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 351 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 352 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 353 | return ret; |
| 354 | } |
| 355 | |
| 356 | if (!fmt) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 357 | ALOGE("%s: fmt is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 358 | return ret; |
| 359 | } |
| 360 | |
| 361 | if (__v4l2_check_buf_type(fmt->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 362 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 363 | return ret; |
| 364 | } else { |
| 365 | ret = ioctl(fd, request, fmt); |
| 366 | if (ret) { |
| 367 | if (request == VIDIOC_TRY_FMT) |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 368 | ALOGE("failed to ioctl: VIDIOC_TRY_FMT (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 369 | else |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 370 | ALOGE("failed to ioctl: VIDIOC_S_FMT (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 371 | |
| 372 | return ret; |
| 373 | } |
| 374 | } |
| 375 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 376 | Exynos_v4l2_Out(); |
| 377 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 378 | return ret; |
| 379 | } |
| 380 | |
| 381 | int exynos_v4l2_try_fmt(int fd, struct v4l2_format *fmt) |
| 382 | { |
| 383 | return __v4l2_s_fmt(fd, VIDIOC_TRY_FMT, fmt); |
| 384 | } |
| 385 | |
| 386 | int exynos_v4l2_s_fmt(int fd, struct v4l2_format *fmt) |
| 387 | { |
| 388 | return __v4l2_s_fmt(fd, VIDIOC_S_FMT, fmt); |
| 389 | } |
| 390 | |
| 391 | int exynos_v4l2_reqbufs(int fd, struct v4l2_requestbuffers *req) |
| 392 | { |
| 393 | int ret = -1; |
| 394 | unsigned int count; |
| 395 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 396 | Exynos_v4l2_In(); |
| 397 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 398 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 399 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 400 | return ret; |
| 401 | } |
| 402 | |
| 403 | if (!req) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 404 | ALOGE("%s: req is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 405 | return ret; |
| 406 | } |
| 407 | |
Rebecca Schultz Zavin | 471812b | 2012-05-15 16:49:56 -0700 | [diff] [blame] | 408 | if ((req->memory != V4L2_MEMORY_MMAP) && |
| 409 | (req->memory != V4L2_MEMORY_USERPTR) && |
| 410 | (req->memory != V4L2_MEMORY_DMABUF)) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 411 | ALOGE("%s: unsupported memory type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 412 | return ret; |
| 413 | } |
| 414 | |
| 415 | if (__v4l2_check_buf_type(req->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 416 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 417 | return ret; |
| 418 | } |
| 419 | |
| 420 | count = req->count; |
| 421 | |
| 422 | ret = ioctl(fd, VIDIOC_REQBUFS, req); |
| 423 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 424 | ALOGE("failed to ioctl: VIDIOC_REQBUFS (%d - %s)", ret, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 425 | return ret; |
| 426 | } |
| 427 | |
| 428 | if (count != req->count) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 429 | ALOGW("number of buffers had been changed: %d => %d", count, req->count); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 430 | } |
| 431 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 432 | Exynos_v4l2_Out(); |
| 433 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 434 | return ret; |
| 435 | } |
| 436 | |
| 437 | int exynos_v4l2_querybuf(int fd, struct v4l2_buffer *buf) |
| 438 | { |
| 439 | int ret = -1; |
| 440 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 441 | Exynos_v4l2_In(); |
| 442 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 443 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 444 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 445 | return ret; |
| 446 | } |
| 447 | |
| 448 | if (!buf) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 449 | ALOGE("%s: buf is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 450 | return ret; |
| 451 | } |
| 452 | |
Rebecca Schultz Zavin | 471812b | 2012-05-15 16:49:56 -0700 | [diff] [blame] | 453 | if ((buf->memory != V4L2_MEMORY_MMAP) && |
| 454 | (buf->memory != V4L2_MEMORY_DMABUF)) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 455 | ALOGE("%s: unsupported memory type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 456 | return ret; |
| 457 | } |
| 458 | |
| 459 | if (__v4l2_check_buf_type(buf->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 460 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 461 | return ret; |
| 462 | } |
| 463 | |
| 464 | ret = ioctl(fd, VIDIOC_QUERYBUF, buf); |
| 465 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 466 | ALOGE("failed to ioctl: VIDIOC_QUERYBUF (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 467 | return ret; |
| 468 | } |
| 469 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 470 | Exynos_v4l2_Out(); |
| 471 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 472 | return ret; |
| 473 | } |
| 474 | |
| 475 | int exynos_v4l2_qbuf(int fd, struct v4l2_buffer *buf) |
| 476 | { |
| 477 | int ret = -1; |
| 478 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 479 | Exynos_v4l2_In(); |
| 480 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 481 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 482 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 483 | return ret; |
| 484 | } |
| 485 | |
| 486 | if (!buf) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 487 | ALOGE("%s: buf is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 488 | return ret; |
| 489 | } |
| 490 | |
Rebecca Schultz Zavin | 471812b | 2012-05-15 16:49:56 -0700 | [diff] [blame] | 491 | if ((buf->memory != V4L2_MEMORY_MMAP) && |
| 492 | (buf->memory != V4L2_MEMORY_USERPTR) && |
| 493 | (buf->memory != V4L2_MEMORY_DMABUF)) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 494 | ALOGE("%s: unsupported memory type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 495 | return ret; |
| 496 | } |
| 497 | |
| 498 | if (__v4l2_check_buf_type(buf->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 499 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 500 | return ret; |
| 501 | } |
| 502 | |
| 503 | ret = ioctl(fd, VIDIOC_QBUF, buf); |
| 504 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 505 | ALOGE("failed to ioctl: VIDIOC_QBUF (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 506 | return ret; |
| 507 | } |
| 508 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 509 | Exynos_v4l2_Out(); |
| 510 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 511 | return ret; |
| 512 | } |
| 513 | |
| 514 | int exynos_v4l2_dqbuf(int fd, struct v4l2_buffer *buf) |
| 515 | { |
| 516 | int ret = -1; |
| 517 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 518 | Exynos_v4l2_In(); |
| 519 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 520 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 521 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 522 | return ret; |
| 523 | } |
| 524 | |
| 525 | if (!buf) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 526 | ALOGE("%s: buf is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 527 | return ret; |
| 528 | } |
| 529 | |
Rebecca Schultz Zavin | 471812b | 2012-05-15 16:49:56 -0700 | [diff] [blame] | 530 | if ((buf->memory != V4L2_MEMORY_MMAP) && |
| 531 | (buf->memory != V4L2_MEMORY_USERPTR) && |
| 532 | (buf->memory != V4L2_MEMORY_DMABUF)) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 533 | ALOGE("%s: unsupported memory type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 534 | return ret; |
| 535 | } |
| 536 | |
| 537 | if (__v4l2_check_buf_type(buf->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 538 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 539 | return ret; |
| 540 | } |
| 541 | |
| 542 | ret = ioctl(fd, VIDIOC_DQBUF, buf); |
| 543 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 544 | ALOGE("failed to ioctl: VIDIOC_DQBUF (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 545 | return ret; |
| 546 | } |
| 547 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 548 | Exynos_v4l2_Out(); |
| 549 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 550 | return ret; |
| 551 | } |
| 552 | |
| 553 | int exynos_v4l2_streamon(int fd, enum v4l2_buf_type type) |
| 554 | { |
| 555 | int ret = -1; |
| 556 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 557 | Exynos_v4l2_In(); |
| 558 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 559 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 560 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 561 | return ret; |
| 562 | } |
| 563 | |
| 564 | if (__v4l2_check_buf_type(type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 565 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 566 | return ret; |
| 567 | } |
| 568 | |
| 569 | ret = ioctl(fd, VIDIOC_STREAMON, &type); |
| 570 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 571 | ALOGE("failed to ioctl: VIDIOC_STREAMON (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 572 | return ret; |
| 573 | } |
| 574 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 575 | Exynos_v4l2_Out(); |
| 576 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 577 | return ret; |
| 578 | } |
| 579 | |
| 580 | int exynos_v4l2_streamoff(int fd, enum v4l2_buf_type type) |
| 581 | { |
| 582 | int ret = -1; |
| 583 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 584 | Exynos_v4l2_In(); |
| 585 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 586 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 587 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 588 | return ret; |
| 589 | } |
| 590 | |
| 591 | if (__v4l2_check_buf_type(type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 592 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 593 | return ret; |
| 594 | } |
| 595 | |
| 596 | ret = ioctl(fd, VIDIOC_STREAMOFF, &type); |
| 597 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 598 | ALOGE("failed to ioctl: VIDIOC_STREAMOFF (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 599 | return ret; |
| 600 | } |
| 601 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 602 | Exynos_v4l2_Out(); |
| 603 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 604 | return ret; |
| 605 | } |
| 606 | |
| 607 | int exynos_v4l2_cropcap(int fd, struct v4l2_cropcap *crop) |
| 608 | { |
| 609 | int ret = -1; |
| 610 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 611 | Exynos_v4l2_In(); |
| 612 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 613 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 614 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 615 | return ret; |
| 616 | } |
| 617 | |
| 618 | if (!crop) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 619 | ALOGE("%s: crop is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 620 | return ret; |
| 621 | } |
| 622 | |
| 623 | if (__v4l2_check_buf_type(crop->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 624 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 625 | return ret; |
| 626 | } |
| 627 | |
| 628 | ret = ioctl(fd, VIDIOC_CROPCAP, crop); |
| 629 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 630 | ALOGE("failed to ioctl: VIDIOC_CROPCAP (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 631 | return ret; |
| 632 | } |
| 633 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 634 | Exynos_v4l2_Out(); |
| 635 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 636 | return ret; |
| 637 | } |
| 638 | |
| 639 | int exynos_v4l2_g_crop(int fd, struct v4l2_crop *crop) |
| 640 | { |
| 641 | int ret = -1; |
| 642 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 643 | Exynos_v4l2_In(); |
| 644 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 645 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 646 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 647 | return ret; |
| 648 | } |
| 649 | |
| 650 | if (!crop) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 651 | ALOGE("%s: crop is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 652 | return ret; |
| 653 | } |
| 654 | |
| 655 | if (__v4l2_check_buf_type(crop->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 656 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 657 | return ret; |
| 658 | } |
| 659 | |
| 660 | ret = ioctl(fd, VIDIOC_G_CROP, crop); |
| 661 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 662 | ALOGE("failed to ioctl: VIDIOC_G_CROP (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 663 | return ret; |
| 664 | } |
| 665 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 666 | Exynos_v4l2_Out(); |
| 667 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 668 | return ret; |
| 669 | } |
| 670 | |
| 671 | int exynos_v4l2_s_crop(int fd, struct v4l2_crop *crop) |
| 672 | { |
| 673 | int ret = -1; |
| 674 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 675 | Exynos_v4l2_In(); |
| 676 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 677 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 678 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 679 | return ret; |
| 680 | } |
| 681 | |
| 682 | if (!crop) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 683 | ALOGE("%s: crop is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 684 | return ret; |
| 685 | } |
| 686 | |
| 687 | if (__v4l2_check_buf_type(crop->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 688 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 689 | return ret; |
| 690 | } |
| 691 | |
| 692 | ret = ioctl(fd, VIDIOC_S_CROP, crop); |
| 693 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 694 | ALOGE("failed to ioctl: VIDIOC_S_CROP (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 695 | return ret; |
| 696 | } |
| 697 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 698 | Exynos_v4l2_Out(); |
| 699 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 700 | return ret; |
| 701 | } |
| 702 | |
| 703 | int exynos_v4l2_g_ctrl(int fd, unsigned int id, int *value) |
| 704 | { |
| 705 | int ret = -1; |
| 706 | struct v4l2_control ctrl; |
| 707 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 708 | Exynos_v4l2_In(); |
| 709 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 710 | ctrl.id = id; |
| 711 | |
| 712 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 713 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 714 | return ret; |
| 715 | } |
| 716 | |
| 717 | ret = ioctl(fd, VIDIOC_G_CTRL, &ctrl); |
| 718 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 719 | ALOGE("failed to ioctl: VIDIOC_G_CTRL (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 720 | return ret; |
| 721 | } |
| 722 | |
| 723 | *value = ctrl.value; |
| 724 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 725 | Exynos_v4l2_Out(); |
| 726 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 727 | return ret; |
| 728 | } |
| 729 | |
| 730 | int exynos_v4l2_s_ctrl(int fd, unsigned int id, int value) |
| 731 | { |
| 732 | int ret = -1; |
| 733 | struct v4l2_control ctrl; |
| 734 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 735 | Exynos_v4l2_In(); |
| 736 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 737 | ctrl.id = id; |
| 738 | ctrl.value = value; |
| 739 | |
| 740 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 741 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 742 | return ret; |
| 743 | } |
| 744 | |
| 745 | ret = ioctl(fd, VIDIOC_S_CTRL, &ctrl); |
| 746 | if (ret) { |
Rebecca Schultz Zavin | 471812b | 2012-05-15 16:49:56 -0700 | [diff] [blame] | 747 | ALOGE("failed to ioctl: VIDIOC_S_CTRL (%d)", errno); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 748 | return ret; |
| 749 | } |
| 750 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 751 | Exynos_v4l2_Out(); |
| 752 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 753 | return ret; |
| 754 | } |
| 755 | |
| 756 | int exynos_v4l2_g_parm(int fd, struct v4l2_streamparm *streamparm) |
| 757 | { |
| 758 | int ret = -1; |
| 759 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 760 | Exynos_v4l2_In(); |
| 761 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 762 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 763 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 764 | return ret; |
| 765 | } |
| 766 | |
| 767 | if (__v4l2_check_buf_type(streamparm->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 768 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 769 | return ret; |
| 770 | } |
| 771 | |
| 772 | ret = ioctl(fd, VIDIOC_G_PARM, streamparm); |
| 773 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 774 | ALOGE("failed to ioctl: VIDIOC_G_PARM (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 775 | return ret; |
| 776 | } |
| 777 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 778 | Exynos_v4l2_Out(); |
| 779 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 780 | return ret; |
| 781 | } |
| 782 | |
| 783 | int exynos_v4l2_s_parm(int fd, struct v4l2_streamparm *streamparm) |
| 784 | { |
| 785 | int ret = -1; |
| 786 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 787 | Exynos_v4l2_In(); |
| 788 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 789 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 790 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 791 | return ret; |
| 792 | } |
| 793 | |
| 794 | if (__v4l2_check_buf_type(streamparm->type) == false) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 795 | ALOGE("%s: unsupported buffer type", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 796 | return ret; |
| 797 | } |
| 798 | |
| 799 | ret = ioctl(fd, VIDIOC_S_PARM, streamparm); |
| 800 | if (ret) { |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 801 | ALOGE("failed to ioctl: VIDIOC_S_PARM (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 802 | return ret; |
| 803 | } |
| 804 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 805 | Exynos_v4l2_Out(); |
| 806 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 807 | return ret; |
| 808 | } |
| 809 | |
| 810 | int exynos_v4l2_g_ext_ctrl(int fd, struct v4l2_ext_controls *ctrl) |
| 811 | { |
| 812 | int ret = -1; |
| 813 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 814 | Exynos_v4l2_In(); |
| 815 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 816 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 817 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 818 | return ret; |
| 819 | } |
| 820 | |
| 821 | if (ctrl == NULL) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 822 | ALOGE("%s: ctrl is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 823 | return ret; |
| 824 | } |
| 825 | |
| 826 | ret = ioctl(fd, VIDIOC_G_EXT_CTRLS, ctrl); |
| 827 | if (ret) |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 828 | ALOGE("failed to ioctl: VIDIOC_G_EXT_CTRLS (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 829 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 830 | Exynos_v4l2_Out(); |
| 831 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 832 | return ret; |
| 833 | } |
| 834 | |
| 835 | int exynos_v4l2_s_ext_ctrl(int fd, struct v4l2_ext_controls *ctrl) |
| 836 | { |
| 837 | int ret = -1; |
| 838 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 839 | Exynos_v4l2_In(); |
| 840 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 841 | if (fd < 0) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 842 | ALOGE("%s: invalid fd: %d", __func__, fd); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 843 | return ret; |
| 844 | } |
| 845 | |
| 846 | if (ctrl == NULL) { |
Dima Zavin | 7642c64 | 2012-04-02 23:45:46 -0700 | [diff] [blame] | 847 | ALOGE("%s: ctrl is NULL", __func__); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 848 | return ret; |
| 849 | } |
| 850 | |
| 851 | ret = ioctl(fd, VIDIOC_S_EXT_CTRLS, ctrl); |
| 852 | if (ret) |
Dima Zavin | 453bced | 2012-06-13 16:30:53 -0700 | [diff] [blame] | 853 | ALOGE("failed to ioctl: VIDIOC_S_EXT_CTRLS (%d - %s)", errno, strerror(errno)); |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 854 | |
Jiho Chang | d970bdc | 2012-04-26 15:55:33 -0700 | [diff] [blame] | 855 | Exynos_v4l2_Out(); |
| 856 | |
Jiho Chang | e5931c3 | 2012-03-24 05:59:38 +0900 | [diff] [blame] | 857 | return ret; |
| 858 | } |