gst/mfldv4l2cam/gstv4l2camsrc.c

   1 /* GStreamer V4L2 camera source
   2  * Copyright (C) 2010 Nokia Corporation <multimedia@maemo.org>
   3  *               2010 Intel Corporation
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 /**
  22  * SECTION:element-mfldcamsrc
  23  * @short_description: Medfield V4L2 camera source
  24  * @see_also: #GstCameraSrc
  25  *
  26  * <refsect2>
  27  * <para>
  28  * Bla bla...
  29  * </para>
  30  * <para>
  31  * Foo bar
  32  * </para>
  33  * <title>Example launch line</title>
  34  * <para>
  35  * <programlisting>
  36  * gst-launch mfldv4l2camsrc ! xvimagesink
  37  * </programlisting>
  38  * </para>
  39  * </refsect2>
  40  */
  41
  42 #include <string.h>
  43
  44 #ifdef HAVE_CONFIG_H
  45 #include "config.h"
  46 #endif
  47
  48 #include <linux/videodev2.h>
  49 #include "gstv4l2camsrc.h"
  50 #include "v4l2camsrc_calls.h"
  51 #include "gstv4l2camvidorient.h"
  52 #include <mfld_cam.h>
  53
  54 #define MFLD_ADVCI_PATH "/usr/lib/"
  55 #define MFLD_V4L2CAMSRC_VERSION "85de990a519ae021f0bf4ec89c0e352ec76f6965"
  56 #define FOCUS_POSITION_MIN      0
  57 #define FOCUS_POSITION_MAX      512
  58
  59 GST_DEBUG_CATEGORY (gst_v4l2camsrc_debug);
  60 #define GST_CAT_DEFAULT gst_v4l2camsrc_debug
  61
  62 static gboolean gst_v4l2camsrc_is_open (GstCameraSrc * camsrc);
  63 static void gst_v4l2camsrc_finalize (GObject * object);
  64 static void gst_v4l2camsrc_dispose (GObject * object);
  65 static void gst_v4l2camsrc_set_property (GObject * object,
  66     guint prop_id, const GValue * value, GParamSpec * pspec);
  67 static void gst_v4l2camsrc_get_property (GObject * object,
  68     guint prop_id, GValue * value, GParamSpec * pspec);
  69 static gboolean gst_v4l2camsrc_unlock (GstCameraSrc * src);
  70 static gboolean gst_v4l2camsrc_unlock_stop (GstCameraSrc * src);
  71 static gboolean gst_v4l2camsrc_set_zoom (GstCameraSrc * camsrc, gfloat zoom);
  72 static gboolean gst_v4l2camsrc_set_ae_mode (GstCameraSrc * camsrc, int mode);
  73 static gboolean gst_v4l2camsrc_get_ae_mode (GstCameraSrc * camsrc, int *mode);
  74
  75 static gboolean gst_v4l2camsrc_iface_supported (GstImplementsInterface * iface,
  76     GType iface_type);
  77 static gboolean gst_v4l2camsrc_get_makernote (GstCameraSrc * camsrc, unsigned char *buf, unsigned size);
  78 static gboolean gst_v4l2camsrc_makernote_init(GstCameraSrc * camsrc,
  79                                                       unsigned * buf_size,
  80                                                       unsigned num_afwindows,
  81                                                       unsigned num_faces,
  82                                                       unsigned num_eyes,
  83                                                       unsigned num_grid,
  84                                                       int *handle);
  85 static gboolean gst_v4l2camsrc_makernote_deal(GstCameraSrc * camsrc,
  86                                                       GstBuffer *pmakerbuf,
  87                                                       unsigned num_afwindows,
  88                                                       unsigned num_grid,
  89                                                       int handle);
  90 static gboolean gst_v4l2camsrc_makernote_uninit(GstCameraSrc * camsrc,
  91                                                         int handle);
  92
  93 typedef enum
  94 {
  95   PROP_0,
  96   PROP_DEVICE,
  97   PROP_DEVICE_FD,
  98   PROP_DEVICE_NAME,
  99   PROP_QUEUE_SIZE,
 100   PROP_INPUT_SENSOR,
 101   PROP_USE_MMAP,
 102   PROP_USE_COPY,
 103   PROP_AE,
 104   PROP_AE_METERING_MODE,
 105   PROP_AE_WINDOW,
 106   PROP_AE_MODE,
 107   PROP_AF,
 108   PROP_AF_METERING_MODE,
 109   PROP_AF_WINDOW,
 110   PROP_AWB,
 111   PROP_STILL_AF,
 112   PROP_FOCUS_POSITION,
 113   PROP_VFLIP,
 114   PROP_HFLIP,
 115   PROP_BAYER_DOWNSCALING,
 116   PROP_CAPTURE_CORRECTION_GDC,
 117   PROP_CAPTURE_CORRECTION_CAC,
 118   PROP_CAPTURE_CORRECTION_RER,
 119   PROP_CAPTURE_CORRECTION_DIS,
 120   PROP_CAPTURE_CORRECTION_DVS,
 121   PROP_CAPTURE_CORRECTION_EDGE_ENHANCEMENT,
 122   PROP_CAPTURE_CORRECTION_SHADING_CORRECTION,
 123   PROP_CAPTURE_CORRECTION_BLACK_LEVEL_COMPENSATION,
 124   PROP_CAPTURE_CORRECTION_BAD_PIXEL_DETECTION,
 125   PROP_CAPTURE_CORRECTION_GAMMA,
 126   PROP_CAPTURE_CORRECTION_CONTRAST,
 127   PROP_CAPTURE_CORRECTION_BRIGHTNESS,
 128   PROP_DUMP_RAW,
 129   PROP_DUMP_IMAGE,
 130   PROP_DEBUG_FLAGS,
 131 } GstV4L2CamSrcProperties;
 132
 133
 134
 135
 136 #define DEFAULT_PROP_DEVICE_NAME  NULL
 137 #define DEFAULT_PROP_DEVICE       "/dev/video0"
 138 #define DEFAULT_PROP_DEVICE_FD    -1
 139 #define DEFAULT_PROP_AE_WINDOW  "x_left=0,x_right=0,y_bottom=0,y_top=0"
 140 #define DEFAULT_PROP_AF_WINDOW  "x_left=0,x_right=0,y_bottom=0,y_top=0"
 141 #define DEFAULT_DEBUG_FLAGS     0
 142 #define C_FLAGS(v) ((guint) v)
 143
 144
 145 static const char* surface_string =
 146     "video/x-vaapi-sharing, "
 147     "type = vaapi, "
 148     "width  = (int) [ 1, MAX ], "
 149     "height = (int) [ 1, MAX ], "
 150     "framerate = (fraction) [ 0, MAX ]";
 151
 152
 153 GType
 154 gst_camera_input_sensor_get_type (void)
 155 {
 156   static GType gst_camera_input_sensor_type = 0;
 157   static GEnumValue gst_camera_input_sensors[] = {
 158     {GST_CAMERA_INPUT_SENSOR_PRIMARY, "Primary Sensor", "primary"},
 159     {GST_CAMERA_INPUT_SENSOR_SECONDARY, "Sencondary Sensor", "second"},
 160     {0, NULL, NULL},
 161   };
 162
 163   if (G_UNLIKELY (!gst_camera_input_sensor_type)) {
 164     gst_camera_input_sensor_type =
 165         g_enum_register_static ("GstCameraInputSensor",
 166         gst_camera_input_sensors);
 167   }
 168   return gst_camera_input_sensor_type;
 169 }
 170
 171 GType
 172 gst_camera_ae_metering_mode_get_type(void)
 173 {
 174   static GType gst_camera_ae_metering_mode_type = 0;
 175   static GEnumValue gst_camera_ae_metering_mode[] = {
 176     {GST_CAMERA_AE_METERING_AUTO, "AE auto metering", "auto"},
 177     {GST_CAMERA_AE_METERING_SPOT, "AE spot metering", "spot"},
 178     {GST_CAMERA_AE_METERING_CENTER, "AE center metering", "center"},
 179     {GST_CAMERA_AE_METERING_CUSTOMIZED, "AE customized metering", "customized"},
 180     {0, NULL, NULL},
 181   };
 182
 183   if (G_UNLIKELY (!gst_camera_ae_metering_mode_type)) {
 184     gst_camera_ae_metering_mode_type=
 185         g_enum_register_static ("GstCameraAEMeteringMode",
 186         gst_camera_ae_metering_mode);
 187   }
 188   return  gst_camera_ae_metering_mode_type;
 189 }
 190
 191 GType
 192 gst_camera_ae_mode_get_type(void)
 193 {
 194   static GType gst_camera_ae_mode_type = 0;
 195   static GEnumValue gst_camera_ae_mode[] = {
 196     {GST_CAMERA_AE_MODE_AUTO, "AE auto", "auto"},
 197     {GST_CAMERA_AE_MODE_MANUAL, "AE manual", "manual"},
 198     {GST_CAMERA_AE_MODE_SHUTTER_PRIORITY, "AE shutter priority", "shutter"},
 199     {GST_CAMERA_AE_MODE_APERTURE_PRIORITY, "AE aperture priority", "aperture"},
 200     {0, NULL, NULL},
 201   };
 202
 203   if (G_UNLIKELY (!gst_camera_ae_mode_type)) {
 204     gst_camera_ae_mode_type=
 205         g_enum_register_static ("GstCameraAEMode",
 206         gst_camera_ae_mode);
 207   }
 208   return  gst_camera_ae_mode_type;
 209 }
 210
 211 GType
 212 gst_camera_af_metering_mode_get_type(void)
 213 {
 214   static GType gst_camera_af_metering_mode_type = 0;
 215   static GEnumValue gst_camera_af_metering_mode[] = {
 216     {GST_CAMERA_AF_METERING_AUTO, "AF auto metering", "auto"},
 217     {GST_CAMERA_AF_METERING_SPOT, "AF spot metering", "spot"},
 218     {GST_CAMERA_AF_METERING_CENTER, "AF center metering", "center"},
 219     {GST_CAMERA_AF_METERING_CUSTOMIZED, "AF customized metering", "customized"},
 220     {0, NULL, NULL},
 221   };
 222
 223   if (G_UNLIKELY (!gst_camera_af_metering_mode_type)) {
 224     gst_camera_af_metering_mode_type=
 225         g_enum_register_static ("GstCameraAFMeteringMode",
 226         gst_camera_af_metering_mode);
 227   }
 228   return  gst_camera_af_metering_mode_type;
 229 }
 230
 231 GType
 232 gst_camerasrc_debug_flags_get_type (void)
 233 {
 234   static GType gst_camerasrc_debug_flags = 0;
 235   static const GFlagsValue values [] = {
 236     {C_FLAGS (GST_CAMERASRC_DEBUG_FLAGS_PERFORMANCE), "Debug flags for performance tuning",
 237       "performance"},
 238     {C_FLAGS (GST_CAMERASRC_DEBUG_FLAGS_MAKER_NOTE), "Debug flags for maker note",
 239       "maker-note"},
 240     {C_FLAGS (GST_CAMERASRC_DEBUG_FLAGS_AUTO_FOCUS), "Debug flags for auto focus",
 241       "auto-focus"},
 242     {0, NULL, NULL},
 243   };
 244
 245   if (G_UNLIKELY (!gst_camerasrc_debug_flags)) {
 246     gst_camerasrc_debug_flags =
 247         g_flags_register_static ("GstCameraSrcDebugFlags", values);
 248   }
 249   return  gst_camerasrc_debug_flags;
 250 }
 251
 252
 253
 254 GST_IMPLEMENT_V4L2CAMSRC_VIDORIENT_METHODS (GstMFLDV4l2CamSrc, gst_v4l2camsrc);
 255
 256
 257 static void
 258 gst_v4l2camsrc_interface_init (GstImplementsInterfaceClass * klass)
 259 {
 260   /*
 261    * default virtual functions
 262    */
 263   klass->supported = gst_v4l2camsrc_iface_supported;
 264 }
 265
 266 void
 267 gst_v4l2camsrc_init_interfaces (GType type)
 268 {
 269   static const GInterfaceInfo v4l2camsrc_iface_info = {
 270     (GInterfaceInitFunc) gst_v4l2camsrc_interface_init,
 271     NULL,
 272     NULL,
 273   };
 274   static const GInterfaceInfo v4l2camsrc_videoorientation_info = {
 275     (GInterfaceInitFunc) gst_v4l2camsrc_video_orientation_interface_init,
 276     NULL,
 277     NULL,
 278   };
 279
 280   g_type_add_interface_static (type,
 281       GST_TYPE_IMPLEMENTS_INTERFACE, &v4l2camsrc_iface_info);
 282   g_type_add_interface_static (type,
 283       GST_TYPE_VIDEO_ORIENTATION, &v4l2camsrc_videoorientation_info);
 284 }
 285
 286
 287 GST_BOILERPLATE_FULL (GstMFLDV4l2CamSrc, gst_v4l2camsrc, GstCameraSrc,
 288     GST_TYPE_CAMERA_SRC, gst_v4l2camsrc_init_interfaces);
 289
 290
 291
 292 static gboolean
 293 gst_v4l2camsrc_iface_supported (GstImplementsInterface * iface,
 294     GType iface_type)
 295 {
 296   GstCameraSrc *camsrc = GST_CAMERA_SRC (iface);
 297
 298   if (gst_v4l2camsrc_is_open (camsrc) &&
 299       iface_type == GST_TYPE_VIDEO_ORIENTATION) {
 300     return TRUE;
 301   }
 302
 303   else if (GST_IS_IMPLEMENTS_INTERFACE (camsrc)) {
 304     GstImplementsInterfaceClass *parent_klass;
 305
 306     parent_klass =
 307         g_type_interface_peek (parent_class, GST_TYPE_IMPLEMENTS_INTERFACE);
 308     return parent_klass->supported (iface, iface_type);
 309   }
 310
 311   return FALSE;
 312 }
 313
 314
 315 /*
 316  * gst_v4l2camsrc_is_open:
 317  *
 318  */
 319 static gboolean
 320 gst_v4l2camsrc_is_open (GstCameraSrc * camsrc)
 321 {
 322   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (camsrc);
 323
 324   return GST_V4L2CAMSRC_IS_OPEN (v4l2camsrc);
 325 }
 326
 327 /*
 328  * gst_v4l2camsrc_is_active:
 329  *
 330  */
 331 static gboolean
 332 gst_v4l2camsrc_is_active (GstCameraSrc * camsrc)
 333 {
 334   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (camsrc);
 335
 336   return GST_V4L2CAMSRC_IS_ACTIVE (v4l2camsrc);
 337 }
 338
 339 /*
 340  * gst_v4l2camsrc_v4l2fourcc_to_structure:
 341  *
 342  */
 343 static GstStructure *
 344 gst_v4l2camsrc_v4l2fourcc_to_structure (guint32 fourcc)
 345 {
 346   GstStructure *structure = NULL;
 347
 348   switch (fourcc) {
 349     case V4L2_PIX_FMT_MJPEG:   /* Motion-JPEG */
 350     case V4L2_PIX_FMT_JPEG:    /* JFIF JPEG */
 351       structure = gst_structure_new ("image/jpeg", NULL);
 352       break;
 353     case V4L2_PIX_FMT_RGB332:
 354     case V4L2_PIX_FMT_RGB555:
 355     case V4L2_PIX_FMT_RGB555X:
 356     case V4L2_PIX_FMT_RGB565:
 357     case V4L2_PIX_FMT_RGB565X:
 358     case V4L2_PIX_FMT_RGB24:
 359     case V4L2_PIX_FMT_BGR24:
 360     case V4L2_PIX_FMT_RGB32:
 361     case V4L2_PIX_FMT_BGR32:{
 362       guint depth = 0, bpp = 0;
 363
 364       gint endianness = 0;
 365
 366       guint32 r_mask = 0, b_mask = 0, g_mask = 0;
 367
 368       switch (fourcc) {
 369         case V4L2_PIX_FMT_RGB332:
 370           bpp = depth = 8;
 371           endianness = G_BYTE_ORDER;    /* 'like, whatever' */
 372           r_mask = 0xe0;
 373           g_mask = 0x1c;
 374           b_mask = 0x03;
 375           break;
 376         case V4L2_PIX_FMT_RGB555:
 377         case V4L2_PIX_FMT_RGB555X:
 378           bpp = 16;
 379           depth = 15;
 380           endianness =
 381               fourcc == V4L2_PIX_FMT_RGB555X ? G_BIG_ENDIAN : G_LITTLE_ENDIAN;
 382           r_mask = 0x7c00;
 383           g_mask = 0x03e0;
 384           b_mask = 0x001f;
 385           break;
 386         case V4L2_PIX_FMT_RGB565:
 387         case V4L2_PIX_FMT_RGB565X:
 388           bpp = depth = 16;
 389           endianness =
 390               fourcc == V4L2_PIX_FMT_RGB565X ? G_BIG_ENDIAN : G_LITTLE_ENDIAN;
 391           r_mask = 0xf800;
 392           g_mask = 0x07e0;
 393           b_mask = 0x001f;
 394           break;
 395         case V4L2_PIX_FMT_RGB24:
 396           bpp = depth = 24;
 397           endianness = G_BIG_ENDIAN;
 398           r_mask = 0xff0000;
 399           g_mask = 0x00ff00;
 400           b_mask = 0x0000ff;
 401           break;
 402         case V4L2_PIX_FMT_BGR24:
 403           bpp = depth = 24;
 404           endianness = G_BIG_ENDIAN;
 405           r_mask = 0x0000ff;
 406           g_mask = 0x00ff00;
 407           b_mask = 0xff0000;
 408           break;
 409         case V4L2_PIX_FMT_RGB32:
 410           bpp = depth = 32;
 411           endianness = G_BIG_ENDIAN;
 412           r_mask = 0xff000000;
 413           g_mask = 0x00ff0000;
 414           b_mask = 0x0000ff00;
 415           break;
 416         case V4L2_PIX_FMT_BGR32:
 417           bpp = depth = 32;
 418           endianness = G_BIG_ENDIAN;
 419           r_mask = 0x000000ff;
 420           g_mask = 0x0000ff00;
 421           b_mask = 0x00ff0000;
 422           break;
 423         default:
 424           g_assert_not_reached ();
 425           break;
 426       }
 427       structure = gst_structure_new ("video/x-raw-rgb",
 428           "bpp", G_TYPE_INT, bpp,
 429           "depth", G_TYPE_INT, depth,
 430           "red_mask", G_TYPE_INT, r_mask,
 431           "green_mask", G_TYPE_INT, g_mask,
 432           "blue_mask", G_TYPE_INT, b_mask,
 433           "endianness", G_TYPE_INT, endianness, NULL);
 434       break;
 435     }
 436     case V4L2_PIX_FMT_GREY:    /*  8  Greyscale     */
 437       structure = gst_structure_new ("video/x-raw-gray",
 438           "bpp", G_TYPE_INT, 8, NULL);
 439       break;
 440     case V4L2_PIX_FMT_YYUV:    /* 16  YUV 4:2:2     */
 441     case V4L2_PIX_FMT_HI240:   /*  8  8-bit color   */
 442       /* FIXME: get correct fourccs here */
 443       break;
 444     case V4L2_PIX_FMT_NV12:    /* 12  Y/CbCr 4:2:0  */
 445     case V4L2_PIX_FMT_NV21:    /* 12  Y/CrCb 4:2:0  */
 446     case V4L2_PIX_FMT_NV61:
 447     case V4L2_PIX_FMT_NV16:
 448     case V4L2_PIX_FMT_YVU410:
 449     case V4L2_PIX_FMT_YUV410:
 450     case V4L2_PIX_FMT_YUV420:  /* I420/IYUV */
 451     case V4L2_PIX_FMT_YUYV:
 452     case V4L2_PIX_FMT_YVU420:
 453     case V4L2_PIX_FMT_UYVY:
 454     case V4L2_PIX_FMT_Y41P:
 455     case V4L2_PIX_FMT_YUV422P:
 456     case V4L2_PIX_FMT_YUV444:
 457 #ifdef V4L2_PIX_FMT_YVYU
 458     case V4L2_PIX_FMT_YVYU:
 459 #endif
 460     case V4L2_PIX_FMT_YUV411P:{
 461       guint32 fcc = 0;
 462
 463       switch (fourcc) {
 464         case V4L2_PIX_FMT_NV12:
 465           fcc = GST_MAKE_FOURCC ('N', 'V', '1', '2');
 466           break;
 467         case V4L2_PIX_FMT_NV21:
 468           fcc = GST_MAKE_FOURCC ('N', 'V', '2', '1');
 469           break;
 470         case V4L2_PIX_FMT_NV16:
 471           fcc = GST_MAKE_FOURCC ('N', 'V', '1', '6');
 472           break;
 473         case V4L2_PIX_FMT_NV61:
 474           fcc = GST_MAKE_FOURCC ('N', 'V', '6', '1');
 475           break;
 476         case V4L2_PIX_FMT_YVU410:
 477           fcc = GST_MAKE_FOURCC ('Y', 'V', 'U', '9');
 478           break;
 479         case V4L2_PIX_FMT_YUV410:
 480           fcc = GST_MAKE_FOURCC ('Y', 'U', 'V', '9');
 481           break;
 482         case V4L2_PIX_FMT_YUV420:
 483           fcc = GST_MAKE_FOURCC ('I', '4', '2', '0');
 484           break;
 485         case V4L2_PIX_FMT_YUYV:
 486           fcc = GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
 487           break;
 488         case V4L2_PIX_FMT_YVU420:
 489           fcc = GST_MAKE_FOURCC ('Y', 'V', '1', '2');
 490           break;
 491         case V4L2_PIX_FMT_UYVY:
 492           fcc = GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
 493           break;
 494         case V4L2_PIX_FMT_Y41P:
 495           fcc = GST_MAKE_FOURCC ('Y', '4', '1', 'P');
 496           break;
 497         case V4L2_PIX_FMT_YUV411P:
 498           fcc = GST_MAKE_FOURCC ('Y', '4', '1', 'B');
 499           break;
 500         case V4L2_PIX_FMT_YUV422P:
 501           fcc = GST_MAKE_FOURCC ('Y', '4', '2', 'B');
 502           break;
 503         case V4L2_PIX_FMT_YUV444:
 504           fcc = GST_MAKE_FOURCC ('Y', '4', '4', '4');
 505           break;
 506 #ifdef V4L2_PIX_FMT_YVYU
 507         case V4L2_PIX_FMT_YVYU:
 508           fcc = GST_MAKE_FOURCC ('Y', 'V', 'Y', 'U');
 509           break;
 510 #endif
 511         default:
 512           g_assert_not_reached ();
 513           break;
 514       }
 515       structure = gst_structure_new ("video/x-raw-yuv",
 516           "format", GST_TYPE_FOURCC, fcc, NULL);
 517       break;
 518     }
 519     case V4L2_PIX_FMT_SBGGR8:
 520     case V4L2_PIX_FMT_SGBRG8:
 521     case V4L2_PIX_FMT_SGRBG8:
 522     case V4L2_PIX_FMT_SRGGB8:
 523     case V4L2_PIX_FMT_SBGGR10:
 524     case V4L2_PIX_FMT_SGBRG10:
 525     case V4L2_PIX_FMT_SGRBG10:
 526     case V4L2_PIX_FMT_SRGGB10:
 527 #ifdef V4L2_PIX_FMT_SBGGR16
 528     case V4L2_PIX_FMT_SBGGR16:{
 529 #endif
 530       guint32 fcc = 0;
 531       switch (fourcc) {
 532         case V4L2_PIX_FMT_SBGGR8:
 533           fcc = GST_MAKE_FOURCC ('B', 'A', '8', '1');
 534           break;
 535         case V4L2_PIX_FMT_SGBRG8:
 536           fcc = GST_MAKE_FOURCC ('G', 'B', 'R', 'G');
 537           break;
 538         case V4L2_PIX_FMT_SGRBG8:
 539           fcc = GST_MAKE_FOURCC ('G', 'R', 'B', 'G');
 540           break;
 541         case V4L2_PIX_FMT_SRGGB8:
 542           fcc = GST_MAKE_FOURCC ('R', 'G', 'G', 'B');
 543           break;
 544         case V4L2_PIX_FMT_SBGGR10:
 545           fcc = GST_MAKE_FOURCC ('B', 'G', '1', '0');
 546           break;
 547         case V4L2_PIX_FMT_SGBRG10:
 548           fcc = GST_MAKE_FOURCC ('G', 'B', '1', '0');
 549           break;
 550         case V4L2_PIX_FMT_SGRBG10:
 551           fcc = GST_MAKE_FOURCC ('B', 'A', '1', '0');
 552           break;
 553         case V4L2_PIX_FMT_SRGGB10:
 554           fcc = GST_MAKE_FOURCC ('R', 'G', '1', '0');
 555           break;
 556         case V4L2_PIX_FMT_SBGGR16:
 557           fcc = GST_MAKE_FOURCC ('B', 'Y', 'R', '2');
 558           break;
 559         default:
 560           g_assert_not_reached ();
 561           break;
 562       }
 563       structure = gst_structure_new ("video/x-raw-bayer",
 564           "format", GST_TYPE_FOURCC, fcc, NULL);
 565       break;
 566     }
 567     default:
 568       GST_DEBUG ("Unknown fourcc 0x%08x %" GST_FOURCC_FORMAT,
 569           fourcc, GST_FOURCC_ARGS (fourcc));
 570       break;
 571   }
 572
 573   return structure;
 574 }
 575
 576 /*
 577  * gst_v4l2camsrc_get_caps:
 578  *
 579  */
 580 static GstCaps *
 581 gst_v4l2camsrc_get_caps (GstCameraSrc * camsrc)
 582 {
 583   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (camsrc);
 584   GstStructure *template;
 585   GstCaps *ret;
 586   GSList *walk;
 587
 588   if (!gst_v4l2camsrc_is_open (camsrc)) {
 589     /* FIXME: should it probe the device? */
 590     return NULL;
 591   }
 592
 593   if (!v4l2camsrc->formats)
 594     gst_v4l2camsrc_fill_format_list (v4l2camsrc);
 595
 596   ret = gst_caps_new_empty ();
 597
 598   for (walk = v4l2camsrc->formats; walk; walk = walk->next) {
 599     struct v4l2_fmtdesc *format;
 600
 601     /* FIXME: Introduce own format structure */
 602     format = (struct v4l2_fmtdesc *) walk->data;
 603
 604     template = gst_v4l2camsrc_v4l2fourcc_to_structure (format->pixelformat);
 605
 606     if (template) {
 607       GstCaps *tmp;
 608
 609       tmp = gst_v4l2camsrc_probe_caps_for_format (v4l2camsrc,
 610           format->pixelformat, template);
 611       if (tmp)
 612         gst_caps_append (ret, tmp);
 613
 614       gst_structure_free (template);
 615     } else {
 616       GST_DEBUG_OBJECT (v4l2camsrc, "unknown format %u", format->pixelformat);
 617     }
 618   }
 619
 620   GstStructure * structure = gst_structure_from_string(surface_string, NULL);
 621   gst_caps_append_structure (ret, structure);
 622
 623   v4l2camsrc->probed_caps = gst_caps_ref (ret);
 624
 625   GST_INFO_OBJECT(v4l2camsrc, "use GST_DEBUG >= 5 for probed caps");
 626   GST_LOG_OBJECT (v4l2camsrc, "probed caps: %" GST_PTR_FORMAT, ret);
 627
 628   return ret;
 629 }
 630
 631 /*
 632  * gst_v4l2camsrc_get_num_buffers:
 633  *
 634  */
 635 static guint
 636 gst_v4l2camsrc_get_num_buffers (GstCameraSrc * camsrc)
 637 {
 638   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (camsrc);
 639
 640   return v4l2camsrc->num_buffers;
 641 }
 642
 643 /*
 644  * common format / caps utilities:
 645  */
 646 typedef struct
 647 {
 648   guint32 format;
 649   gboolean dimensions;
 650 } GstV4L2FormatDesc;
 651
 652 static const GstV4L2FormatDesc gst_v4l2_formats[] = {
 653   /* from Linux 2.6.15 videodev2.h */
 654   {V4L2_PIX_FMT_YUV420, TRUE},
 655   {V4L2_PIX_FMT_YVU420, TRUE},
 656   {V4L2_PIX_FMT_YUV422P, TRUE},
 657   {V4L2_PIX_FMT_YUV444, TRUE},
 658
 659   {V4L2_PIX_FMT_NV12, TRUE},
 660   {V4L2_PIX_FMT_NV21, TRUE},
 661
 662   {V4L2_PIX_FMT_NV16, TRUE},
 663   {V4L2_PIX_FMT_NV61, TRUE},
 664
 665   {V4L2_PIX_FMT_YUYV, TRUE},
 666   {V4L2_PIX_FMT_UYVY, TRUE},
 667
 668   {V4L2_PIX_FMT_SBGGR16, TRUE},
 669
 670   {V4L2_PIX_FMT_SBGGR8, TRUE},
 671   {V4L2_PIX_FMT_SGBRG8, TRUE},
 672   {V4L2_PIX_FMT_SGRBG8, TRUE},
 673   {V4L2_PIX_FMT_SRGGB8, TRUE},
 674
 675   {V4L2_PIX_FMT_SBGGR10, TRUE},
 676   {V4L2_PIX_FMT_SGBRG10, TRUE},
 677   {V4L2_PIX_FMT_SGRBG10, TRUE},
 678   {V4L2_PIX_FMT_SRGGB10, TRUE},
 679
 680   {V4L2_PIX_FMT_RGB24, TRUE},
 681   {V4L2_PIX_FMT_RGB32, TRUE},
 682   {V4L2_PIX_FMT_RGB565, TRUE},
 683 };
 684
 685 #define GST_V4L2_FORMAT_COUNT (G_N_ELEMENTS (gst_v4l2_formats))
 686 #define GST_V4L2_MAX_SIZE (1<<15)       /* 2^15 == 32768 */
 687
 688 GstCaps *
 689 gst_v4l2camsrc_get_all_caps (void)
 690 {
 691   static GstCaps *caps = NULL;
 692
 693   if (caps == NULL) {
 694     GstStructure *structure;
 695
 696     guint i;
 697
 698     caps = gst_caps_new_empty ();
 699     for (i = 0; i < GST_V4L2_FORMAT_COUNT; i++) {
 700       structure =
 701           gst_v4l2camsrc_v4l2fourcc_to_structure (gst_v4l2_formats[i].format);
 702       if (structure) {
 703         if (gst_v4l2_formats[i].dimensions) {
 704           gst_structure_set (structure,
 705               "width", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
 706               "height", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
 707               "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 100, 1, NULL);
 708         }
 709         gst_caps_append_structure (caps, structure);
 710       }
 711     }
 712     structure = gst_structure_from_string(surface_string, NULL);
 713     gst_caps_append_structure (caps, structure);
 714   }
 715
 716   return gst_caps_ref (caps);
 717 }
 718
 719
 720 /*
 721  * gst_v4l2camsrc_base_init:
 722  * @klass: #GstElementClass.
 723  *
 724  */
 725 static void
 726 gst_v4l2camsrc_base_init (gpointer klass)
 727 {
 728   GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
 729
 730   gst_element_class_set_details_simple (element_class,
 731       "V4L2 camera source",
 732       "Video/Src",
 733       "Video4Linux2 camera source element",
 734       "Maemo Multimedia <multimedia@maemo.org>");
 735
 736   gst_element_class_add_pad_template (element_class,
 737       gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
 738           gst_v4l2camsrc_get_all_caps ()));
 739 }
 740
 741 gboolean gst_v4l2camsrc_set_autofocus (GstCameraSrc * camsrc, gboolean on);
 742 gboolean gst_v4l2camsrc_set_autoexposure (GstCameraSrc * camsrc, gboolean on);
 743 GstPhotoCaps gst_v4l2camsrc_get_capabilities (GstCameraSrc * camsrc);
 744 gboolean gst_v4l2camsrc_set_capture_mode (GstCameraSrc * camsrc,
 745     GstCameraSrcCaptureMode mode);
 746 gboolean
 747 gst_v4l2camsrc_read_settings (GstCameraSrc * camsrc,
 748     GstPhotoSettings * photoconf);
 749 gboolean gst_v4l2camsrc_write_settings (GstCameraSrc * camsrc,
 750     GstPhotoSettings * photoconf, gboolean scene_override);
 751 gboolean
 752 gst_v4l2camsrc_set_flash_mode (GstCameraSrc *camsrc, int value);
 753 gst_v4l2camsrc_read_exif (GstCameraSrc *camsrc,
 754     GstCameraControlExifInfo *exif_info);
 755 gboolean
 756 gst_v4l2camsrc_set_strobe_state (GstCameraSrc *camsrc, gboolean state);
 757
 758 gboolean
 759 gst_v4l2camsrc_set_AeAafwindow (GstCameraSrc * camsrc, GstCameraSrc3a_window window);
 760
 761 /*
 762  * gst_v4l2camsrc_class_init:
 763  * @klass: #GstMFLDV4l2CamSrcClass.
 764  *
 765  */
 766 static void
 767 gst_v4l2camsrc_class_init (GstMFLDV4l2CamSrcClass * klass)
 768 {
 769   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 770   GstCameraSrcClass *camera_class = GST_CAMERA_SRC_CLASS (klass);
 771
 772   gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_property);
 773   gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_get_property);
 774   gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_dispose);
 775   gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_finalize);
 776
 777   g_object_class_install_property (gobject_class, PROP_DEVICE,
 778       g_param_spec_string ("device", "Device", "Device location",
 779           DEFAULT_PROP_DEVICE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 780
 781   g_object_class_install_property (gobject_class, PROP_DEVICE_NAME,
 782       g_param_spec_string ("device-name", "Device name",
 783           "Name of the device", DEFAULT_PROP_DEVICE_NAME,
 784           G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 785
 786   g_object_class_install_property (gobject_class, PROP_DEVICE_FD,
 787       g_param_spec_int ("device-fd", "File descriptor",
 788           "File descriptor of the device", -1, G_MAXINT, DEFAULT_PROP_DEVICE_FD,
 789           G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 790
 791   g_object_class_install_property (gobject_class, PROP_QUEUE_SIZE,
 792       g_param_spec_uint ("queue-size", "Queue size",
 793           "Number of buffers to be enqueud in the driver",
 794           GST_V4L2CAMSRC_MIN_BUFFERS, GST_V4L2CAMSRC_MAX_BUFFERS,
 795           GST_V4L2CAMSRC_DEFAULT_BUFFERS,
 796           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 797
 798   g_object_class_install_property (gobject_class, PROP_INPUT_SENSOR,
 799       g_param_spec_enum ("camera-id", "Camera Id",
 800           "Which sensor is the input of the ISP",
 801           GST_TYPE_CAMERA_INPUT_SENSOR,
 802           GST_CAMERA_INPUT_SENSOR_PRIMARY,
 803           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 804
 805   g_object_class_install_property (gobject_class, PROP_USE_MMAP,
 806       g_param_spec_boolean ("use-mmap", "Use Mmap",
 807           "Whether use mmap memory method", FALSE, G_PARAM_READWRITE));
 808
 809   g_object_class_install_property (gobject_class, PROP_USE_COPY,
 810       g_param_spec_boolean ("use-copy", "Use Copy",
 811           "Whether copy the buffer from driver, debug only", FALSE, G_PARAM_READWRITE));
 812
 813   /* AE, AF, and AWB settings */
 814   g_object_class_install_property (gobject_class, PROP_AE,
 815       g_param_spec_boolean ("ae", "Auto Exposure",
 816           "Auto Exposure is On or Off", TRUE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 817
 818   g_object_class_install_property (gobject_class, PROP_AE_METERING_MODE,
 819       g_param_spec_enum ("ae-metering-mode", "AE Metering Mode",
 820           "Select AE Metering Mode",
 821           GST_TYPE_CAMERA_AE_METERING_MODE,
 822           GST_CAMERA_AE_METERING_AUTO,
 823           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 824
 825   g_object_class_install_property (gobject_class, PROP_AE_MODE,
 826       g_param_spec_enum ("ae-mode", "AE Mode",
 827           "Select AE Mode",
 828           GST_TYPE_CAMERA_AE_MODE,
 829           GST_CAMERA_AE_MODE_AUTO,
 830           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 831
 832  g_object_class_install_property (gobject_class, PROP_AE_WINDOW,
 833       g_param_spec_string("ae-window", "AE Window",
 834           "Set AE Window Coordinates in format: x_left=value,x_right=value,"
 835           "y_bottom=value,y_top=value",
 836           DEFAULT_PROP_AE_WINDOW,
 837           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS ));
 838
 839
 840   g_object_class_install_property (gobject_class, PROP_AF,
 841       g_param_spec_boolean ("af", "Auto Focus",
 842           "Auto Focus is On or Off", TRUE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 843
 844   g_object_class_install_property (gobject_class, PROP_AF_METERING_MODE,
 845       g_param_spec_enum ("af-metering-mode", "AF Metering Mode",
 846           "Select AF Metering Mode",
 847           GST_TYPE_CAMERA_AF_METERING_MODE,
 848           GST_CAMERA_AF_METERING_AUTO,
 849           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 850
 851  g_object_class_install_property (gobject_class, PROP_AF_WINDOW,
 852       g_param_spec_string("af-window", "AF Window",
 853           "Set AF Window Coordinates in format: x_left=value,x_right=value,"
 854           "y_bottom=value,y_top=value",
 855           DEFAULT_PROP_AF_WINDOW,
 856           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS ));
 857
 858   g_object_class_install_property (gobject_class, PROP_AWB,
 859       g_param_spec_boolean ("awb", "White Balance",
 860           "White Balance is On or Off",
 861           TRUE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 862
 863   g_object_class_install_property (gobject_class, PROP_STILL_AF,
 864       g_param_spec_boolean ("still-af", "still image slow focus",
 865           "Turn On or Off slow focus when doing the still image capture",
 866           TRUE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 867
 868   g_object_class_install_property (gobject_class, PROP_FOCUS_POSITION,
 869       g_param_spec_int ("focus-posi", "Focus Position",
 870           "Focus absolute position set to Sensor.", FOCUS_POSITION_MIN,
 871           FOCUS_POSITION_MAX, 0,
 872           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
 873
 874   g_object_class_install_property (gobject_class, PROP_BAYER_DOWNSCALING,
 875       g_param_spec_boolean ("bayer-downscaling", "Bayer Downscaling crop",
 876           "Turn On or Off Bayer Downscaling", TRUE, G_PARAM_READWRITE));
 877
 878   /* These are advanced ISP features for MFLD camera only */
 879   g_object_class_install_property (gobject_class, PROP_CAPTURE_CORRECTION_GDC,
 880       g_param_spec_boolean ("GDC", "GDC",
 881           "Capture Correction for Lens Geometry Distortion Correction",
 882           FALSE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 883
 884   g_object_class_install_property (gobject_class, PROP_CAPTURE_CORRECTION_CAC,
 885       g_param_spec_boolean ("CAC", "CAC",
 886           "Capture Correction for Chromatic Aberration Correction",
 887           FALSE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 888
 889   g_object_class_install_property (gobject_class, PROP_CAPTURE_CORRECTION_RER,
 890       g_param_spec_boolean ("redeye-reduction", "Redeye reduction",
 891           "Capture Correction for Redeye reduction",
 892           FALSE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 893
 894   g_object_class_install_property (gobject_class, PROP_CAPTURE_CORRECTION_DIS,
 895       g_param_spec_boolean ("still-stable", "Still stabilization",
 896           "Capture Correction for still image stabilization", FALSE,
 897           G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 898
 899   g_object_class_install_property (gobject_class, PROP_CAPTURE_CORRECTION_DVS,
 900       g_param_spec_boolean ("video-stable", "Video stabilization",
 901           "Capture Correction for video capture stabilization", FALSE,
 902           G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 903
 904   g_object_class_install_property (gobject_class,
 905       PROP_CAPTURE_CORRECTION_EDGE_ENHANCEMENT,
 906       g_param_spec_boolean ("edge-enhancement", "Edge Enhancement",
 907           "Capture Correction for edge enhancement", TRUE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 908
 909   g_object_class_install_property (gobject_class,
 910       PROP_CAPTURE_CORRECTION_SHADING_CORRECTION,
 911       g_param_spec_boolean ("shading-correction", "Shading Correction",
 912           "Capture Correction for shading correction", TRUE,
 913           G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 914
 915   g_object_class_install_property (gobject_class,
 916       PROP_CAPTURE_CORRECTION_BLACK_LEVEL_COMPENSATION,
 917       g_param_spec_boolean ("black-level-compensation", "Black Level Compensation",
 918           "Capture Correction for Black Level Compensation", FALSE,
 919           G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 920
 921   g_object_class_install_property (gobject_class,
 922       PROP_CAPTURE_CORRECTION_BAD_PIXEL_DETECTION,
 923       g_param_spec_boolean ("bad-pixel-detection", "Bad Pixel Detection",
 924           "Capture Correction for Bad Pixel Detection", TRUE,
 925           G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 926
 927   g_object_class_install_property (gobject_class, PROP_CAPTURE_CORRECTION_GAMMA,
 928       g_param_spec_float ("gamma", "Gamma",
 929           "Gamma Values", 1.0, 2.4, 2.2,
 930           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
 931
 932   g_object_class_install_property (gobject_class,
 933       PROP_CAPTURE_CORRECTION_CONTRAST, g_param_spec_int ("contrast",
 934           "Contrast", "Contrast Values", 0, 2048, 256,
 935           G_PARAM_READWRITE |G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
 936
 937   g_object_class_install_property (gobject_class,
 938       PROP_CAPTURE_CORRECTION_BRIGHTNESS, g_param_spec_int ("brightness",
 939           "Brightness", "Brightness Values", -255, 255, 0,
 940           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
 941
 942   g_object_class_install_property (gobject_class, PROP_DUMP_RAW,
 943       g_param_spec_boolean ("dump-raw", "Dump RAW images simultanious",
 944           "Whether dump the raw images as output when during the jpeg capture",
 945           FALSE, G_PARAM_READWRITE));
 946
 947   g_object_class_install_property (gobject_class, PROP_DUMP_IMAGE,
 948       g_param_spec_boolean ("dump-image", "Dump images simultanious in pipeline",
 949           "Whether dump the  images as output in pipeline, debug only,"
 950           "output the image in current directory",
 951           FALSE, G_PARAM_READWRITE));
 952
 953   g_object_class_install_property (gobject_class, PROP_DEBUG_FLAGS,
 954       g_param_spec_flags ("debug-flags", "debug flags",
 955           "debug flags for development and performance tuning usage",
 956           GST_TYPE_CAMERASRC_DEBUG_FLAGS, DEFAULT_DEBUG_FLAGS,
 957           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 958
 959   g_object_class_install_property (gobject_class,
 960       PROP_VFLIP,
 961       g_param_spec_boolean ("vflip", "Vertical Flip",
 962           "Vertical flip", FALSE,
 963           G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 964
 965   g_object_class_install_property (gobject_class,
 966       PROP_HFLIP,
 967       g_param_spec_boolean ("hflip", "Horisontal Flip",
 968           "Horisontal flip", FALSE,
 969           G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
 970
 971   camera_class->is_open = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_is_open);
 972   camera_class->open = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_open);
 973   camera_class->close = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_close);
 974   camera_class->get_attribute =
 975       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_get_attribute);
 976   camera_class->set_attribute =
 977       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_attribute);
 978   camera_class->set_capture = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_capture);
 979   camera_class->start = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_capture_start);
 980   camera_class->is_active = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_is_active);
 981   camera_class->grab_frame = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_grab_frame);
 982   camera_class->stop = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_capture_stop);
 983   camera_class->get_caps = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_get_caps);
 984   camera_class->get_num_buffers =
 985       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_get_num_buffers);
 986   camera_class->unlock = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_unlock);
 987   camera_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_unlock_stop);
 988
 989   camera_class->set_capture_mode =
 990       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_capture_mode);
 991 //  camera_class->set_vfinder_mode = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_set_viewfinder_mode);
 992   camera_class->set_autofocus =
 993       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_autofocus);
 994   camera_class->set_autoexposure =
 995       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_autoexposure);
 996   camera_class->read_settings =
 997       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_read_settings);
 998   camera_class->write_settings =
 999       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_write_settings);
1000   camera_class->get_capabilities =
1001       GST_DEBUG_FUNCPTR (gst_v4l2camsrc_get_capabilities);
1002   camera_class->set_zoom = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_zoom);
1003   camera_class->set_AeAafwindow = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_AeAafwindow);
1004   camera_class->set_ae_mode = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_set_ae_mode);
1005   camera_class->get_ae_mode = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_get_ae_mode);
1006
1007   camera_class->get_makernote = GST_DEBUG_FUNCPTR (gst_v4l2camsrc_get_makernote);
1008   camera_class->makernote_init = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_makernote_init);
1009   camera_class->makernote_deal = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_makernote_deal);
1010   camera_class->makernote_uninit = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_makernote_uninit);
1011   camera_class->set_flash_mode = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_set_flash_mode);
1012   camera_class->read_exif = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_read_exif);
1013
1014   camera_class->set_strobe_state = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_set_strobe_state);
1015
1016 //camera_class->fill_image_tags = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_fill_image_tags);
1017 //camera_class->get_preview_image = GST_DEBUG_FUNCPTR(gst_v4l2camsrc_get_preview_image);
1018 }
1019
1020 /*
1021  * gst_v4l2camsrc_driver_wrapper_load:
1022  * Create the mfldadvci object. The function in libmfldadvci can
1023  * be called from this source element now
1024  */
1025 GstV4l2MFLDAdvCI *
1026 gst_v4l2camsrc_mfldadvci_wrapper_load (GstMFLDV4l2CamSrc * v4l2camsrc)
1027 {
1028   GstV4l2MFLDAdvCI *mfldadvci;
1029
1030   mfldadvci = g_new0 (GstV4l2MFLDAdvCI, 1);
1031   wrapper_default_link_functions_init(mfldadvci);
1032
1033 #ifdef USE_DYNAMIC_3A
1034   if (g_module_supported ()) {
1035     gchar *module_file;
1036     module_file = g_module_build_path (MFLD_ADVCI_PATH, "libmfldadvci.so.0");
1037     GST_DEBUG_OBJECT (v4l2camsrc, "Loading %s", module_file);
1038
1039     v4l2camsrc->module = g_module_open (module_file, G_MODULE_BIND_LOCAL);
1040
1041     /* Open again if libmfldadvci.so.0 doesn't exist */
1042     if (!v4l2camsrc->module) {
1043       module_file = g_module_build_path (MFLD_ADVCI_PATH, "libmfldadvci.so");
1044       v4l2camsrc->module = g_module_open (module_file, G_MODULE_BIND_LOCAL);
1045       GST_DEBUG_OBJECT (v4l2camsrc, "Loading %s", module_file);
1046     }
1047     GST_DEBUG_OBJECT(v4l2camsrc, "Camera Source Interface version is %d\n", LIBMFLDADVCI_VERSION);
1048     if (v4l2camsrc->module) {
1049       lib_3a_link_functions_init(mfldadvci, v4l2camsrc->module);
1050     }
1051   }
1052 #endif /* USE_DYNAMIC_3A */
1053
1054   return mfldadvci;
1055 }
1056
1057 /*
1058  * gst_v4l2camsrc_mfldadvci_wrapper_unload:
1059  * Unload the libmfldadvci and free its resource
1060  */
1061 void
1062 gst_v4l2camsrc_mfldadvci_wrapper_unload (GstMFLDV4l2CamSrc * v4l2camsrc)
1063 {
1064   GstV4l2MFLDAdvCI *mfldadvci = v4l2camsrc->mfldadvci;
1065   g_module_close (v4l2camsrc->module);
1066   v4l2camsrc->module = NULL;
1067
1068   g_free (mfldadvci);
1069
1070 }
1071
1072
1073
1074 /*
1075  * gst_v4l2camsrc_init:
1076  * @v4l2camsrc: #GstMFLDV4l2CamSrc.
1077  * @klass: #GstMFLDV4l2CamSrcClass.
1078  *
1079  */
1080 static void
1081 gst_v4l2camsrc_init (GstMFLDV4l2CamSrc * v4l2camsrc,
1082     GstMFLDV4l2CamSrcClass * klass)
1083 {
1084   v4l2camsrc->num_buffers = GST_V4L2CAMSRC_DEFAULT_BUFFERS;
1085   v4l2camsrc->tmp_num_buffers = v4l2camsrc->num_buffers;
1086   v4l2camsrc->videodev = g_strdup (DEFAULT_PROP_DEVICE);
1087   v4l2camsrc->video_fd = DEFAULT_PROP_DEVICE_FD;
1088   v4l2camsrc->poll = gst_poll_new (TRUE);
1089   v4l2camsrc->buffer = NULL;
1090   v4l2camsrc->crop_supported = FALSE;
1091   v4l2camsrc->max_zoom_factor = MAX_RESIZER_FACTOR;
1092   v4l2camsrc->zoom_factor = DEFAULT_RESIZER_FACTOR;
1093   v4l2camsrc->use_mmap = TRUE;
1094   v4l2camsrc->use_copy = FALSE;
1095   v4l2camsrc->capture_mode = GST_CAMERA_SRC_CAPTURE_MODE_VIEWFINDER;
1096   /* MFLD camera Advanced features status */
1097   v4l2camsrc->gdc_enabled = FALSE;
1098   v4l2camsrc->rer_enabled = FALSE;
1099   v4l2camsrc->cac_enabled = FALSE;
1100   v4l2camsrc->dvs_enabled = FALSE;
1101   v4l2camsrc->dis_enabled = FALSE;
1102   v4l2camsrc->ee_enabled = TRUE;
1103   v4l2camsrc->sc_enabled = TRUE;
1104   v4l2camsrc->cc_updated = FALSE;
1105   v4l2camsrc->gamma_updated = FALSE;
1106   v4l2camsrc->ae_enabled = TRUE;
1107   v4l2camsrc->af_enabled = TRUE;
1108   v4l2camsrc->awb_enabled = TRUE;
1109   v4l2camsrc->still_af = FALSE;
1110   v4l2camsrc->bayer_downscaling = FALSE;
1111   v4l2camsrc->tone.gamma = 2.2;
1112   v4l2camsrc->tone.brightness = 0;
1113   v4l2camsrc->tone.contrast = 256;
1114
1115   v4l2camsrc->preflash_enabled = FALSE;
1116   v4l2camsrc->capflash_enabled = FALSE;
1117   v4l2camsrc->preflash_analoggain = 0;
1118
1119   v4l2camsrc->dump_raw = FALSE;
1120   v4l2camsrc->dump_image = FALSE;
1121   v4l2camsrc->raw_output_size = 0;
1122   v4l2camsrc->debug_flags = DEFAULT_DEBUG_FLAGS;
1123
1124   v4l2camsrc->device_mutex = g_mutex_new ();
1125
1126   v4l2camsrc->mfldadvci = gst_v4l2camsrc_mfldadvci_wrapper_load (v4l2camsrc);
1127
1128   v4l2camsrc->input_sensor = GST_CAMERA_INPUT_SENSOR_PRIMARY;
1129   v4l2camsrc->ae_metering_mode = GST_CAMERA_AE_METERING_AUTO;
1130   v4l2camsrc->ae_mode = GST_CAMERA_AE_MODE_AUTO;
1131   v4l2camsrc->af_metering_mode = GST_CAMERA_AF_METERING_AUTO;
1132
1133   v4l2camsrc->ae_window.x_left = 0;
1134   v4l2camsrc->ae_window.x_right = 0;
1135   v4l2camsrc->ae_window.y_bottom = 0;
1136   v4l2camsrc->ae_window.y_top = 0;
1137   v4l2camsrc->ae_window.weight= 0x8000;
1138   v4l2camsrc->af_window.x_left = 0;
1139   v4l2camsrc->af_window.x_right = 0;
1140   v4l2camsrc->af_window.y_bottom = 0;
1141   v4l2camsrc->af_window.y_top = 0;
1142   v4l2camsrc->af_window.weight= 0x8000;
1143
1144   libmfld_cam_init (v4l2camsrc->mfldadvci);
1145
1146   GST_DEBUG ("initialized to commit %s", MFLD_V4L2CAMSRC_VERSION);
1147 }
1148
1149
1150 static void
1151 gst_v4l2camsrc_dispose (GObject * object)
1152 {
1153   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (object);
1154
1155   if (v4l2camsrc->formats) {
1156     gst_v4l2camsrc_clear_format_list (v4l2camsrc);
1157   }
1158
1159   if (v4l2camsrc->probed_caps) {
1160     gst_caps_unref (v4l2camsrc->probed_caps);
1161     v4l2camsrc->probed_caps = NULL;
1162   }
1163
1164   /* FIXME: driver cleanup function */
1165   if (v4l2camsrc->videodev) {
1166     g_free (v4l2camsrc->videodev);
1167     v4l2camsrc->videodev = NULL;
1168   }
1169
1170   if (v4l2camsrc->poll) {
1171     gst_poll_free (v4l2camsrc->poll);
1172   }
1173
1174   g_mutex_free (v4l2camsrc->device_mutex);
1175
1176   G_OBJECT_CLASS (parent_class)->dispose (object);
1177   libmfld_cam_dispose ();
1178 }
1179
1180
1181 /*
1182  * gst_v4l2camsrc_finalize:
1183  * @object:
1184  *
1185  */
1186 static void
1187 gst_v4l2camsrc_finalize (GObject * object)
1188 {
1189   G_OBJECT_CLASS (parent_class)->finalize (object);
1190 }
1191
1192
1193
1194 /*
1195  */
1196 static void
1197 gst_v4l2camsrc_set_property (GObject * object,
1198     guint prop_id, const GValue * value, GParamSpec * pspec)
1199 {
1200   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (object);
1201   gboolean opened = GST_V4L2CAMSRC_IS_OPEN (v4l2camsrc);
1202
1203   switch (prop_id) {
1204     case PROP_DEVICE:
1205       g_free (v4l2camsrc->videodev);
1206       v4l2camsrc->videodev = g_value_dup_string (value);
1207       break;
1208     case PROP_QUEUE_SIZE:
1209       v4l2camsrc->num_buffers = g_value_get_uint (value);
1210       v4l2camsrc->tmp_num_buffers = v4l2camsrc->num_buffers;
1211       break;
1212     case PROP_INPUT_SENSOR:
1213       v4l2camsrc->input_sensor = g_value_get_enum (value);
1214       break;
1215     case PROP_USE_MMAP:
1216       v4l2camsrc->use_mmap = g_value_get_boolean (value);
1217       break;
1218     case PROP_USE_COPY:
1219       v4l2camsrc->use_copy = g_value_get_boolean (value);
1220       break;
1221     case PROP_AE:
1222       v4l2camsrc->ae_enabled = g_value_get_boolean (value);
1223       break;
1224     case PROP_AE_WINDOW:
1225     {
1226       GstStructure *ae_window_param = NULL;
1227       char * ctmp = NULL;
1228       gboolean parsed = TRUE;
1229       ci_adv_Err r;
1230
1231       ctmp = g_malloc0 (60);
1232       if (ctmp == NULL)
1233       {
1234              GST_DEBUG_OBJECT(v4l2camsrc, "alloc string mem failed.\n");
1235              break;
1236       }
1237       strncpy (ctmp,"ae,",3);
1238       strncat (ctmp,g_value_get_string (value),55);
1239       ae_window_param = gst_structure_from_string (ctmp, NULL);
1240       if(ae_window_param == NULL)
1241       {
1242               GST_DEBUG_OBJECT(v4l2camsrc,"wrong string format is entered. stop setting ae window.\n");
1243               g_free (ctmp);
1244               break;
1245       }
1246
1247       parsed = gst_structure_get_int(ae_window_param, "x_left",
1248                       &v4l2camsrc->ae_window.x_left);
1249       parsed |= gst_structure_get_int(ae_window_param, "x_right",
1250                       &v4l2camsrc->ae_window.x_right);
1251       parsed |= gst_structure_get_int(ae_window_param, "y_top",
1252                       &v4l2camsrc->ae_window.y_top);
1253       parsed |= gst_structure_get_int(ae_window_param, "y_bottom",
1254                       &v4l2camsrc->ae_window.y_bottom);
1255
1256       if (parsed == FALSE)
1257       {
1258                 GST_DEBUG_OBJECT(v4l2camsrc,"cannot parse ae window parameter. \n");
1259                 gst_structure_free (ae_window_param);
1260                 g_free (ctmp);
1261                 break;
1262       }
1263
1264       parsed = gst_structure_get_int(ae_window_param, "weight",
1265                       &v4l2camsrc->ae_window.weight);
1266
1267       if (parsed == FALSE)
1268       {
1269         GST_DEBUG_OBJECT(v4l2camsrc,
1270                              "set ae window weight to default value 0x8000.\n");
1271         v4l2camsrc->ae_window.weight = 0x8000;
1272       }
1273
1274       GST_DEBUG_OBJECT(v4l2camsrc,"ae-window-setting: x_left:%d, x_right:%d,"
1275                      "y_bottom:%d, y_top:%d, weight:%d.\n",
1276                       v4l2camsrc->ae_window.x_left,v4l2camsrc->ae_window.x_right,
1277                       v4l2camsrc->ae_window.y_bottom, v4l2camsrc->ae_window.y_top,
1278                      v4l2camsrc->ae_window.weight);
1279
1280
1281       if (v4l2camsrc->ae_metering_mode != GST_CAMERA_AE_METERING_SPOT)
1282       {
1283                 GST_DEBUG_OBJECT(v4l2camsrc,"wrong ae metering mode. set it to spot mode automaticly.\n");
1284                v4l2camsrc->ae_metering_mode = GST_CAMERA_AE_METERING_SPOT;
1285                 v4l2camsrc->mfldadvci->AeSetMeteringMode
1286                         ( (advci_ae_metering_mode) v4l2camsrc->ae_metering_mode);
1287
1288       }
1289       v4l2camsrc->mfldadvci->AeSetWindow ((advci_window *) (&(v4l2camsrc->ae_window)));
1290
1291       gst_structure_free (ae_window_param);
1292       g_free (ctmp);
1293       break;
1294     }
1295
1296     case PROP_AE_METERING_MODE:
1297     {
1298       v4l2camsrc->ae_metering_mode = g_value_get_enum (value);
1299       v4l2camsrc->mfldadvci->AeSetMeteringMode((advci_ae_metering_mode)v4l2camsrc->ae_metering_mode);
1300       break;
1301     }
1302     case PROP_AE_MODE:
1303     {
1304       v4l2camsrc->ae_mode = g_value_get_enum (value);
1305       v4l2camsrc->mfldadvci->AeSetMode((advci_ae_mode)v4l2camsrc->ae_mode);
1306       break;
1307     }
1308     case PROP_AF_METERING_MODE:
1309     {
1310       v4l2camsrc->af_metering_mode = g_value_get_enum (value);
1311       v4l2camsrc->mfldadvci->AfSetMeteringMode((advci_af_metering_mode)v4l2camsrc->af_metering_mode);
1312       break;
1313     }
1314     case PROP_AF_WINDOW:
1315     {
1316       GstStructure *af_window_param = NULL;
1317       char * ctmp = NULL;
1318       gboolean parsed = TRUE;
1319       ci_adv_Err r;
1320
1321       ctmp = g_malloc0 (60);
1322       if (ctmp == NULL)
1323       {
1324              GST_DEBUG_OBJECT(v4l2camsrc, "alloc string mem failed.\n");
1325              break;
1326       }
1327       strncpy (ctmp,"af,",3);
1328       strncat (ctmp,g_value_get_string (value),55);
1329       af_window_param = gst_structure_from_string (ctmp, NULL);
1330       if(af_window_param == NULL)
1331       {
1332               GST_DEBUG_OBJECT(v4l2camsrc,"wrong string format is entered. stop setting af window.\n");
1333               g_free (ctmp);
1334               break;
1335       }
1336
1337       parsed = gst_structure_get_int(af_window_param, "x_left",
1338                       &v4l2camsrc->af_window.x_left);
1339       parsed |= gst_structure_get_int(af_window_param, "x_right",
1340                       &v4l2camsrc->af_window.x_right);
1341       parsed |= gst_structure_get_int(af_window_param, "y_top",
1342                       &v4l2camsrc->af_window.y_top);
1343       parsed |= gst_structure_get_int(af_window_param, "y_bottom",
1344                       &v4l2camsrc->af_window.y_bottom);
1345
1346       if (parsed == FALSE)
1347       {
1348                 GST_DEBUG_OBJECT(v4l2camsrc,"cannot parse af window parameter. \n");
1349                 gst_structure_free (af_window_param);
1350                 g_free (ctmp);
1351                 break;
1352       }
1353
1354       parsed = gst_structure_get_int(af_window_param, "weight",
1355                       &v4l2camsrc->af_window.weight);
1356
1357       if (parsed == FALSE)
1358       {
1359              GST_DEBUG_OBJECT(v4l2camsrc,
1360                              "set af window weight to default value 0x8000.\n");
1361              v4l2camsrc->af_window.weight = 0x8000;
1362       }
1363
1364       GST_DEBUG_OBJECT(v4l2camsrc,"af-window-setting: x_left:%d, x_right:%d,"
1365                      "y_bottom:%d, y_top:%d, weight:%d.\n",
1366                       v4l2camsrc->af_window.x_left,v4l2camsrc->af_window.x_right,
1367                       v4l2camsrc->af_window.y_bottom, v4l2camsrc->af_window.y_top,
1368                      v4l2camsrc->af_window.y_top);
1369
1370
1371       v4l2camsrc->mfldadvci->AfSetWindows (1, (advci_window *) (&(v4l2camsrc->af_window)));
1372
1373       gst_structure_free (af_window_param);
1374       g_free (ctmp);
1375       break;
1376     }
1377
1378     case PROP_AF:
1379       v4l2camsrc->af_enabled = g_value_get_boolean (value);
1380       break;
1381
1382     case PROP_AWB:
1383       v4l2camsrc->awb_enabled = g_value_get_boolean (value);
1384       break;
1385     case PROP_STILL_AF:
1386       v4l2camsrc->still_af = g_value_get_boolean (value);
1387       cam_set_autofocus (v4l2camsrc->still_af);
1388       break;
1389     case PROP_FOCUS_POSITION:
1390       v4l2camsrc->focus_posi = g_value_get_int(value);
1391       if (opened)
1392         cam_driver_set_focus_posi (v4l2camsrc->video_fd, v4l2camsrc->focus_posi);
1393       else
1394         v4l2camsrc->focus_updated = TRUE;
1395       break;
1396     case PROP_VFLIP:
1397       v4l2camsrc->vflip = g_value_get_boolean(value);
1398       if (gst_v4l2camsrc_is_open (GST_CAMERA_SRC (v4l2camsrc)))
1399         gst_v4l2camsrc_set_attribute (GST_CAMERA_SRC (v4l2camsrc),V4L2_CID_VFLIP,v4l2camsrc->vflip);
1400       break;
1401     case  PROP_HFLIP:
1402       v4l2camsrc->hflip = g_value_get_boolean(value);
1403       if (gst_v4l2camsrc_is_open (GST_CAMERA_SRC (v4l2camsrc)))
1404         gst_v4l2camsrc_set_attribute (GST_CAMERA_SRC (v4l2camsrc),V4L2_CID_HFLIP,v4l2camsrc->hflip);
1405       break;
1406     case PROP_BAYER_DOWNSCALING:
1407       v4l2camsrc->bayer_downscaling = g_value_get_boolean (value);
1408       break;
1409     case PROP_CAPTURE_CORRECTION_GDC:
1410       v4l2camsrc->gdc_enabled = g_value_get_boolean (value);
1411       if (opened)
1412         cam_set_capture_correction (v4l2camsrc->video_fd,
1413             CAM_CAPTURE_CORRECTION_GDC, v4l2camsrc->gdc_enabled);
1414       else
1415         v4l2camsrc->cc_updated = TRUE;
1416       break;
1417     case PROP_CAPTURE_CORRECTION_CAC:
1418       v4l2camsrc->cac_enabled = g_value_get_boolean (value);
1419       if (opened)
1420         cam_set_capture_correction (v4l2camsrc->video_fd,
1421             CAM_CAPTURE_CORRECTION_CAC, v4l2camsrc->cac_enabled);
1422       else
1423         v4l2camsrc->cc_updated = TRUE;
1424       break;
1425     case PROP_CAPTURE_CORRECTION_RER:
1426       v4l2camsrc->rer_enabled = g_value_get_boolean (value);
1427       cam_set_capture_correction (v4l2camsrc->video_fd,
1428           CAM_CAPTURE_CORRECTION_RER, v4l2camsrc->rer_enabled);
1429       break;
1430     case PROP_CAPTURE_CORRECTION_DIS:
1431       v4l2camsrc->dis_enabled = g_value_get_boolean (value);
1432       cam_set_capture_correction (v4l2camsrc->video_fd,
1433           CAM_CAPTURE_CORRECTION_DIS, v4l2camsrc->dis_enabled);
1434       break;
1435     case PROP_CAPTURE_CORRECTION_DVS:
1436       v4l2camsrc->dvs_enabled = g_value_get_boolean (value);
1437       if (opened)
1438         cam_set_capture_correction (v4l2camsrc->video_fd,
1439             CAM_CAPTURE_CORRECTION_DVS, v4l2camsrc->dvs_enabled);
1440       else
1441         v4l2camsrc->cc_updated = TRUE;
1442       break;
1443     case PROP_CAPTURE_CORRECTION_EDGE_ENHANCEMENT:
1444       v4l2camsrc->ee_enabled = g_value_get_boolean (value);
1445       if (opened)
1446         cam_set_capture_correction (v4l2camsrc->video_fd,
1447             CAM_CAPTURE_CORRECTION_EE, v4l2camsrc->ee_enabled);
1448       else
1449         v4l2camsrc->cc_updated = TRUE;
1450       break;
1451     case PROP_CAPTURE_CORRECTION_SHADING_CORRECTION:
1452       v4l2camsrc->sc_enabled = g_value_get_boolean (value);
1453       if (opened)
1454         cam_set_capture_correction (v4l2camsrc->video_fd,
1455             CAM_CAPTURE_CORRECTION_SC, v4l2camsrc->sc_enabled);
1456       else
1457         v4l2camsrc->cc_updated = TRUE;
1458       break;
1459     case PROP_CAPTURE_CORRECTION_BLACK_LEVEL_COMPENSATION:
1460       v4l2camsrc->blc_enabled = g_value_get_boolean (value);
1461       if (opened)
1462         cam_set_capture_correction (v4l2camsrc->video_fd,
1463             CAM_CAPTURE_CORRECTION_BLC, v4l2camsrc->blc_enabled);
1464       else
1465         v4l2camsrc->cc_updated = TRUE;
1466       break;
1467     case PROP_CAPTURE_CORRECTION_BAD_PIXEL_DETECTION:
1468       v4l2camsrc->bpd_enabled = g_value_get_boolean (value);
1469       if (opened)
1470         cam_set_capture_correction (v4l2camsrc->video_fd,
1471             CAM_CAPTURE_CORRECTION_BPD, v4l2camsrc->bpd_enabled);
1472       else
1473         v4l2camsrc->cc_updated = TRUE;
1474       break;
1475     case PROP_CAPTURE_CORRECTION_GAMMA:
1476       v4l2camsrc->tone.gamma = g_value_get_float (value);
1477       if (opened)
1478         cam_set_tone_control (v4l2camsrc->video_fd, CAM_GAMMA_VALUE,
1479             &v4l2camsrc->tone);
1480       else
1481         v4l2camsrc->gamma_updated = TRUE;
1482       break;
1483     case PROP_CAPTURE_CORRECTION_CONTRAST:
1484       v4l2camsrc->tone.contrast = g_value_get_int (value);
1485       if (opened)
1486         cam_set_tone_control (v4l2camsrc->video_fd, CAM_CONTRAST_VALUE,
1487             &v4l2camsrc->tone);
1488       else
1489         v4l2camsrc->gamma_updated = TRUE;
1490       break;
1491     case PROP_CAPTURE_CORRECTION_BRIGHTNESS:
1492       v4l2camsrc->tone.brightness = g_value_get_int (value);
1493       if (opened)
1494         cam_set_tone_control (v4l2camsrc->video_fd, CAM_BRIGHTNESS_VALUE,
1495             &v4l2camsrc->tone);
1496       else
1497         v4l2camsrc->gamma_updated = TRUE;
1498       break;
1499     case PROP_DUMP_RAW:
1500       v4l2camsrc->dump_raw = g_value_get_boolean (value);
1501       break;
1502     case PROP_DUMP_IMAGE:
1503       v4l2camsrc->dump_image = g_value_get_boolean (value);
1504       break;
1505     case PROP_DEBUG_FLAGS:
1506       v4l2camsrc->debug_flags = g_value_get_flags (value);
1507       break;
1508     default:
1509       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1510       break;
1511
1512
1513   }
1514 }
1515
1516 /*
1517  */
1518 static void
1519 gst_v4l2camsrc_get_property (GObject * object,
1520     guint prop_id, GValue * value, GParamSpec * pspec)
1521 {
1522   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (object);
1523
1524   switch (prop_id) {
1525     case PROP_DEVICE:
1526       g_value_set_string (value, v4l2camsrc->videodev);
1527       break;
1528     case PROP_DEVICE_NAME:
1529     {
1530       const guchar *new = NULL;
1531
1532       if (gst_v4l2camsrc_is_open (GST_CAMERA_SRC (v4l2camsrc))) {
1533         new = v4l2camsrc->vcap.card;
1534       } else if (gst_v4l2camsrc_open (GST_CAMERA_SRC (v4l2camsrc))) {
1535         new = v4l2camsrc->vcap.card;
1536         gst_v4l2camsrc_close (GST_CAMERA_SRC (v4l2camsrc));
1537         gst_camerasrc_clear_color_channels (GST_CAMERA_SRC (v4l2camsrc));
1538       }
1539       g_value_set_string (value, (gchar *) new);
1540       break;
1541     }
1542     case PROP_DEVICE_FD:
1543     {
1544       if (gst_v4l2camsrc_is_open (GST_CAMERA_SRC (v4l2camsrc)))
1545         g_value_set_int (value, v4l2camsrc->video_fd);
1546       else
1547         g_value_set_int (value, DEFAULT_PROP_DEVICE_FD);
1548       break;
1549     }
1550     case PROP_QUEUE_SIZE:
1551       g_value_set_uint (value, v4l2camsrc->num_buffers);
1552       break;
1553     case PROP_INPUT_SENSOR:
1554       g_value_set_enum (value, v4l2camsrc->input_sensor);
1555       break;
1556     case PROP_USE_MMAP:
1557       g_value_set_boolean (value, v4l2camsrc->use_mmap);
1558       break;
1559     case PROP_USE_COPY:
1560       g_value_set_boolean (value, v4l2camsrc->use_copy);
1561       break;
1562     case PROP_AE:
1563       g_value_set_boolean (value, v4l2camsrc->ae_enabled);
1564       break;
1565     case PROP_AE_METERING_MODE:
1566       g_value_set_enum (value, v4l2camsrc->ae_metering_mode);
1567       break;
1568     case PROP_AE_MODE:
1569       g_value_set_enum (value, v4l2camsrc->ae_mode);
1570       break;
1571     case PROP_AE_WINDOW:
1572     {
1573       GstStructure *tmp = NULL;
1574       tmp = gst_structure_empty_new("ae-window");
1575       if(tmp == NULL)
1576       {
1577               GST_DEBUG ("wrong default ae window setting.\n");
1578               break;
1579       }
1580       gst_structure_set (tmp,"x_left", G_TYPE_INT,
1581                       v4l2camsrc->ae_window.x_left,NULL);
1582       gst_structure_set (tmp,"x_right", G_TYPE_INT,
1583                       v4l2camsrc->ae_window.x_right,NULL);
1584       gst_structure_set (tmp,"y_bottom", G_TYPE_INT,
1585                       v4l2camsrc->ae_window.y_bottom,NULL);
1586       gst_structure_set (tmp,"y_top", G_TYPE_INT,
1587                       v4l2camsrc->ae_window.y_top,NULL);
1588       g_value_set_string(value, gst_structure_to_string(tmp));
1589       gst_structure_free(tmp);
1590       break;
1591     }
1592
1593     case PROP_AF:
1594       g_value_set_boolean (value, v4l2camsrc->af_enabled);
1595       break;
1596     case PROP_AF_METERING_MODE:
1597       g_value_set_enum (value, v4l2camsrc->af_metering_mode);
1598       break;
1599     case PROP_AF_WINDOW:
1600     {
1601       GstStructure *tmp = NULL;
1602       tmp = gst_structure_empty_new("af-window");
1603       if(tmp == NULL)
1604       {
1605               GST_DEBUG ("wrong default af window setting.\n");
1606               break;
1607       }
1608       gst_structure_set (tmp,"x_left", G_TYPE_INT,
1609                       v4l2camsrc->af_window.x_left,NULL);
1610       gst_structure_set (tmp,"x_right", G_TYPE_INT,
1611                       v4l2camsrc->af_window.x_right,NULL);
1612       gst_structure_set (tmp,"y_bottom", G_TYPE_INT,
1613                       v4l2camsrc->af_window.y_bottom,NULL);
1614       gst_structure_set (tmp,"y_top", G_TYPE_INT,
1615                       v4l2camsrc->af_window.y_top,NULL);
1616       g_value_set_string(value, gst_structure_to_string(tmp));
1617       gst_structure_free(tmp);
1618       break;
1619     }
1620
1621     case PROP_AWB:
1622       g_value_set_boolean (value, v4l2camsrc->awb_enabled);
1623       break;
1624     case PROP_STILL_AF:
1625       g_value_set_boolean (value, v4l2camsrc->still_af);
1626       break;
1627     case PROP_FOCUS_POSITION:
1628       g_value_set_int (value, v4l2camsrc->focus_posi);
1629       break;
1630     case PROP_VFLIP:
1631       g_value_set_boolean (value, v4l2camsrc->vflip);
1632       break;
1633     case PROP_HFLIP:
1634       g_value_set_boolean (value,  v4l2camsrc->hflip);
1635       break;
1636     case PROP_BAYER_DOWNSCALING:
1637       g_value_set_boolean (value, v4l2camsrc->bayer_downscaling);
1638       break;
1639     case PROP_CAPTURE_CORRECTION_GDC:
1640       g_value_set_boolean (value, v4l2camsrc->gdc_enabled);
1641       break;
1642     case PROP_CAPTURE_CORRECTION_CAC:
1643       g_value_set_boolean (value, v4l2camsrc->cac_enabled);
1644       break;
1645     case PROP_CAPTURE_CORRECTION_RER:
1646       g_value_set_boolean (value, v4l2camsrc->rer_enabled);
1647       break;
1648     case PROP_CAPTURE_CORRECTION_DIS:
1649       g_value_set_boolean (value, v4l2camsrc->dis_enabled);
1650       break;
1651     case PROP_CAPTURE_CORRECTION_DVS:
1652       g_value_set_boolean (value, v4l2camsrc->dvs_enabled);
1653       break;
1654     case PROP_CAPTURE_CORRECTION_EDGE_ENHANCEMENT:
1655       g_value_set_boolean (value, v4l2camsrc->ee_enabled);
1656       break;
1657     case PROP_CAPTURE_CORRECTION_SHADING_CORRECTION:
1658       g_value_set_boolean (value, v4l2camsrc->sc_enabled);
1659       break;
1660     case PROP_CAPTURE_CORRECTION_BLACK_LEVEL_COMPENSATION:
1661       g_value_set_boolean (value, v4l2camsrc->blc_enabled);
1662       break;
1663     case PROP_CAPTURE_CORRECTION_BAD_PIXEL_DETECTION:
1664       g_value_set_boolean (value, v4l2camsrc->bpd_enabled);
1665       break;
1666     case PROP_CAPTURE_CORRECTION_GAMMA:
1667       g_value_set_float (value, v4l2camsrc->tone.gamma);
1668       break;
1669     case PROP_CAPTURE_CORRECTION_CONTRAST:
1670       g_value_set_int (value, v4l2camsrc->tone.contrast);
1671       break;
1672     case PROP_CAPTURE_CORRECTION_BRIGHTNESS:
1673       g_value_set_int (value, v4l2camsrc->tone.brightness);
1674       break;
1675     case PROP_DUMP_RAW:
1676       g_value_set_boolean (value, v4l2camsrc->dump_raw);
1677       break;
1678     case PROP_DUMP_IMAGE:
1679       g_value_set_boolean (value, v4l2camsrc->dump_image);
1680       break;
1681     case PROP_DEBUG_FLAGS:
1682       g_value_set_flags (value, v4l2camsrc->debug_flags);
1683       break;
1684     default:
1685       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1686       break;
1687   }
1688 }
1689
1690
1691
1692 static gboolean
1693 gst_v4l2camsrc_unlock (GstCameraSrc * src)
1694 {
1695   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (src);
1696
1697   GST_LOG_OBJECT (v4l2camsrc, "Flushing");
1698   gst_poll_set_flushing (v4l2camsrc->poll, TRUE);
1699
1700   return TRUE;
1701 }
1702
1703 static gboolean
1704 gst_v4l2camsrc_unlock_stop (GstCameraSrc * src)
1705 {
1706   GstMFLDV4l2CamSrc *v4l2camsrc = GST_V4L2CAMSRC (src);
1707
1708   GST_LOG_OBJECT (v4l2camsrc, "No longer flushing");
1709   gst_poll_set_flushing (v4l2camsrc->poll, FALSE);
1710
1711   return TRUE;
1712 }
1713
1714 /*
1715  * gst_v4l2camsrc_set_zoom:
1716  * @camsrc: @GstCameraSrc object.
1717  * @zoom: zoom factor to be set.
1718  *
1719  * Set the zoom factor for outputted video.
1720  *
1721  * Returns: TRUE on success.
1722  */
1723 static gboolean
1724 gst_v4l2camsrc_set_zoom (GstCameraSrc * camsrc, gfloat zoom)
1725 {
1726   GstMFLDV4l2CamSrc *v4l2camsrc;
1727   gboolean ret = TRUE;
1728
1729   v4l2camsrc = GST_V4L2CAMSRC (camsrc);
1730
1731   GST_DEBUG_OBJECT (v4l2camsrc, "ZOOM: %f", zoom);
1732
1733   v4l2camsrc->zoom_factor = zoom;
1734   if (v4l2camsrc->is_active) {
1735     g_mutex_lock (v4l2camsrc->device_mutex);
1736     ret = gst_v4l2camsrc_libmfldcam_set_zoom (v4l2camsrc, zoom);
1737     g_mutex_unlock (v4l2camsrc->device_mutex);
1738   } else
1739     v4l2camsrc->zoom_updated = TRUE;
1740
1741   return ret;
1742 }
1743 static gboolean
1744 gst_v4l2camsrc_set_ae_mode(GstCameraSrc * camsrc, int mode)
1745 {
1746   GstMFLDV4l2CamSrc *v4l2camsrc;
1747   gboolean ret = TRUE;
1748
1749   v4l2camsrc = GST_V4L2CAMSRC (camsrc);
1750
1751   if (v4l2camsrc->is_active) {
1752     g_mutex_lock (v4l2camsrc->device_mutex);
1753     v4l2camsrc->ae_metering_mode = *(GstCameraAEMeteringMode *)&mode;
1754     v4l2camsrc->mfldadvci->AeSetMeteringMode((advci_ae_metering_mode)v4l2camsrc->ae_metering_mode);
1755     g_mutex_unlock (v4l2camsrc->device_mutex);
1756   }
1757
1758   return ret;
1759 }
1760 static gboolean
1761 gst_v4l2camsrc_get_ae_mode(GstCameraSrc * camsrc, int *mode)
1762 {
1763   GstMFLDV4l2CamSrc *v4l2camsrc;
1764   gboolean ret = TRUE;
1765
1766   v4l2camsrc = GST_V4L2CAMSRC (camsrc);
1767
1768   if (v4l2camsrc->is_active) {
1769     g_mutex_lock (v4l2camsrc->device_mutex);
1770     *mode = v4l2camsrc->ae_metering_mode;
1771     g_mutex_unlock (v4l2camsrc->device_mutex);
1772   }
1773
1774   return ret;
1775 }
1776
1777 static gboolean
1778 gst_v4l2camsrc_get_makernote (GstCameraSrc * camsrc, unsigned char *buf, unsigned size)
1779 {
1780   GstMFLDV4l2CamSrc *v4l2camsrc;
1781   gboolean ret = TRUE;
1782
1783   v4l2camsrc = GST_V4L2CAMSRC (camsrc);
1784   GST_DEBUG_OBJECT (v4l2camsrc, "%s, !!!!!!line:%d\n", __func__, __LINE__);
1785
1786   if (v4l2camsrc->is_active) {
1787     g_mutex_lock (v4l2camsrc->device_mutex);
1788     ret = gst_v4l2camsrc_libmfldcam_get_makernote(v4l2camsrc, buf, size);
1789     g_mutex_unlock (v4l2camsrc->device_mutex);
1790   }
1791
1792   return ret;
1793 }
1794
1795 static gboolean gst_v4l2camsrc_makernote_init(GstCameraSrc * camsrc,
1796                                                       unsigned * buf_size,
1797                                                       unsigned num_afwindows,
1798                                                       unsigned num_faces,
1799                                                       unsigned num_eyes,
1800                                                       unsigned num_grid,
1801                                                       int *handle)
1802 {
1803   GstMFLDV4l2CamSrc *v4l2camsrc;
1804
1805   v4l2camsrc = GST_V4L2CAMSRC (camsrc);
1806   GST_DEBUG_OBJECT (v4l2camsrc, "%s, !!!!!!line:%d\n", __func__, __LINE__);
1807
1808   num_afwindows = num_grid = 1;
1809   num_faces = num_eyes = 0;
1810   return FALSE;
1811
1812 }
1813
1814 static gboolean gst_v4l2camsrc_makernote_deal(GstCameraSrc * camsrc,
1815                                                       GstBuffer *pmakerbuf,
1816                                                       unsigned num_afwindows,
1817                                                       unsigned num_grid,
1818                                                       int handle)
1819 {
1820   GstMFLDV4l2CamSrc *v4l2camsrc;
1821
1822   v4l2camsrc = GST_V4L2CAMSRC (camsrc);
1823   GST_DEBUG_OBJECT (v4l2camsrc, "%s, !!!!!!line:%d\n", __func__, __LINE__);
1824
1825   return FALSE;
1826
1827 }
1828
1829 static gboolean gst_v4l2camsrc_makernote_uninit(GstCameraSrc * camsrc,
1830                                                         int handle)
1831 {
1832   GstMFLDV4l2CamSrc *v4l2camsrc;
1833
1834   v4l2camsrc = GST_V4L2CAMSRC (camsrc);
1835   GST_DEBUG_OBJECT (v4l2camsrc, "%s, !!!!!!line:%d\n", __func__, __LINE__);
1836
1837   return FALSE;
1838 }
1839
1840
1841 /*
1842  * plugin_init:
1843  * @plugin: GstPlugin
1844  *
1845  * Returns: TRUE on success.
1846  */
1847 static gboolean
1848 plugin_init (GstPlugin * plugin)
1849 {
1850   GST_DEBUG_CATEGORY_INIT (gst_v4l2camsrc_debug, "camerasrc", 0,
1851       "Medfield V4L2 camera source");
1852
1853   return gst_element_register (plugin, "camerasrc",
1854       GST_RANK_NONE, GST_TYPE_V4L2CAMSRC);
1855 }
1856
1857 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
1858     GST_VERSION_MINOR,
1859     "mfldv4l2cam",
1860     "V4L2 camera image capturing element",
1861     plugin_init, VERSION, "LGPL", "Intel", "www.intel.com")