src/include/mm_camcorder_internal.h

   1 /*
   2  * libmm-camcorder
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Jeongmo Yang <jm80.yang@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #ifndef __MM_CAMCORDER_INTERNAL_H__
  23 #define __MM_CAMCORDER_INTERNAL_H__
  24
  25
  26 /*=======================================================================================
  27 | INCLUDE FILES                                                                         |
  28 ========================================================================================*/
  29 #include <malloc.h>
  30 #include <string.h>
  31 #include <unistd.h>
  32 #include <pthread.h>
  33 #include <semaphore.h>
  34
  35 #include <mm_types.h>
  36 #include <mm_attrs.h>
  37 #include <mm_attrs_private.h>
  38 #include <mm_message.h>
  39 #include <mm_ta.h>
  40 #include <sndfile.h>
  41
  42 #include "mm_camcorder.h"
  43 #include "mm_debug.h"
  44
  45 /* camcorder sub module */
  46 #include "mm_camcorder_attribute.h"
  47 #include "mm_camcorder_platform.h"
  48 #include "mm_camcorder_stillshot.h"
  49 #include "mm_camcorder_videorec.h"
  50 #include "mm_camcorder_audiorec.h"
  51 #include "mm_camcorder_gstcommon.h"
  52 #include "mm_camcorder_exifinfo.h"
  53 #include "mm_camcorder_util.h"
  54 #include "mm_camcorder_configure.h"
  55 #include "mm_camcorder_sound.h"
  56
  57 #ifdef __cplusplus
  58 extern "C" {
  59 #endif
  60
  61 /*=======================================================================================
  62 | MACRO DEFINITIONS                                                                     |
  63 ========================================================================================*/
  64 #define _mmcam_dbg_verb(fmt, args...)   mmf_debug(MMF_DEBUG_VERBOSE,"[%05d][%s]: " fmt "\n", __LINE__, __func__, ##args);
  65 #define _mmcam_dbg_log(fmt, args...)    mmf_debug(MMF_DEBUG_LOG,"[%05d][%s]: " fmt "\n", __LINE__, __func__, ##args);
  66 #define _mmcam_dbg_warn(fmt, args...)   mmf_debug(MMF_DEBUG_WARNING,"[%05d][%s]: " fmt "\n", __LINE__, __func__, ##args);
  67 #define _mmcam_dbg_err(fmt, args...)    mmf_debug(MMF_DEBUG_ERROR,"[%05d][%s]: " fmt "\n", __LINE__, __func__, ##args);
  68 #define _mmcam_dbg_crit(fmt, args...)   mmf_debug(MMF_DEBUG_CRITICAL,"[%05d][%s]: " fmt "\n", __LINE__, __func__, ##args);
  69
  70 /**
  71  *      Macro for checking validity and debugging
  72  */
  73 #define mmf_return_if_fail( expr )      \
  74         if( expr ){}                                    \
  75         else                                            \
  76         {                                                       \
  77                 _mmcam_dbg_err( "failed [%s]", #expr);  \
  78                 return;                                         \
  79         };
  80
  81 /**
  82  *      Macro for checking validity and debugging
  83  */
  84 #define mmf_return_val_if_fail( expr, val )     \
  85         if( expr ){}                                    \
  86         else                                            \
  87         {                                                       \
  88                 _mmcam_dbg_err("failed [%s]", #expr);   \
  89                 return( val );                                          \
  90         };
  91
  92 #ifndef ARRAY_SIZE
  93 /**
  94  *      Macro for getting array size
  95  */
  96 #define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
  97 #endif
  98
  99 /* gstreamer element creation macro */
 100 #define _MMCAMCORDER_PIPELINE_MAKE(sub_context, eid, name /*char* */, err) \
 101         if (sub_context->element[eid].gst != NULL) { \
 102                 _mmcam_dbg_err("The element(Pipeline) is existed. element_id=[%d], name=[%s]", eid, name); \
 103                 gst_object_unref(sub_context->element[eid].gst); \
 104         } \
 105         sub_context->element[eid].id = eid; \
 106         sub_context->element[eid].gst = gst_pipeline_new(name); \
 107         if (sub_context->element[eid].gst == NULL) { \
 108                 _mmcam_dbg_err("Pipeline creation fail. element_id=[%d], name=[%s]", eid, name); \
 109                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 110                 goto pipeline_creation_error; \
 111         } else { \
 112                 g_object_weak_ref(G_OBJECT(sub_context->element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 113         }
 114
 115 #define _MMCAMCORDER_BIN_MAKE(sub_context, eid, name /*char* */, err) \
 116         if (sub_context->element[eid].gst != NULL) { \
 117                 _mmcam_dbg_err("The element(Bin) is existed. element_id=[%d], name=[%s]", eid, name); \
 118                 gst_object_unref(sub_context->element[eid].gst); \
 119         } \
 120         sub_context->element[eid].id = eid; \
 121         sub_context->element[eid].gst = gst_bin_new(name); \
 122         if (sub_context->element[eid].gst == NULL) { \
 123                 _mmcam_dbg_err("Bin creation fail. element_id=[%d], name=[%s]\n", eid, name); \
 124                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 125                 goto pipeline_creation_error; \
 126         } else { \
 127                 g_object_weak_ref(G_OBJECT(sub_context->element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 128         }
 129
 130 #define _MMCAMCORDER_ELEMENT_MAKE(sub_context, eid, name /*char* */, nickname /*char* */, elist, err) \
 131         if (sub_context->element[eid].gst != NULL) { \
 132                 _mmcam_dbg_err("The element is existed. element_id=[%d], name=[%s]", eid, name); \
 133                 gst_object_unref(sub_context->element[eid].gst); \
 134         } \
 135         sub_context->element[eid].id = eid; \
 136         sub_context->element[eid].gst = gst_element_factory_make(name, nickname); \
 137         if (sub_context->element[eid].gst == NULL) { \
 138                 _mmcam_dbg_err("Element creation fail. element_id=[%d], name=[%s]", eid, name); \
 139                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 140                 goto pipeline_creation_error; \
 141         } else { \
 142                 g_object_weak_ref(G_OBJECT(sub_context->element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 143         } \
 144         elist = g_list_append(elist, &(sub_context->element[eid]));
 145
 146 #define _MMCAMCORDER_ENCODEBIN_ELMGET(sub_context, eid, name /*char* */, err) \
 147         if (sub_context->element[eid].gst != NULL) { \
 148                 _mmcam_dbg_err("The element is existed. element_id=[%d], name=[%s]", eid, name); \
 149                 gst_object_unref(sub_context->element[eid].gst); \
 150         } \
 151         sub_context->element[eid].id = eid; \
 152         g_object_get(G_OBJECT(sc->element[_MMCAMCORDER_ENCSINK_ENCBIN].gst), name, &(sc->element[eid].gst), NULL); \
 153         if (sub_context->element[eid].gst == NULL) { \
 154                 _mmcam_dbg_err("Element get fail. element_id=[%d], name=[%s]", eid, name); \
 155                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 156                 goto pipeline_creation_error; \
 157         } else{ \
 158                 gst_object_unref(sub_context->element[eid].gst); \
 159                 g_object_weak_ref(G_OBJECT(sub_context->element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 160         }
 161
 162 /* GStreamer element remove macro */
 163 #define _MMCAMCORDER_ELEMENT_REMOVE(sub_context, eid) \
 164         if (sub_context->element[eid].gst != NULL) { \
 165                 gst_object_unref(sub_context->element[eid].gst); \
 166         }
 167
 168 #define _MM_GST_ELEMENT_LINK_MANY       gst_element_link_many
 169 #define _MM_GST_ELEMENT_LINK            gst_element_link
 170 #define _MM_GST_PAD_LINK                gst_pad_link
 171
 172 #define _MM_GST_PAD_LINK_UNREF( srcpad, sinkpad, err, if_fail_goto ) \
 173 { \
 174         GstPadLinkReturn ret = _MM_GST_PAD_LINK( srcpad, sinkpad ); \
 175         gst_object_unref( srcpad ); srcpad = NULL; \
 176         gst_object_unref( sinkpad ); sinkpad = NULL; \
 177         if (ret != GST_PAD_LINK_OK) { \
 178                 err = MM_ERROR_CAMCORDER_GST_LINK; \
 179                 goto if_fail_goto; \
 180         } \
 181 }
 182
 183 #define _MM_GST_PAD_UNLINK_UNREF( srcpad, sinkpad) \
 184         gst_pad_unlink( srcpad, sinkpad ); \
 185         gst_object_unref( srcpad ); srcpad = NULL; \
 186         gst_object_unref( sinkpad ); sinkpad = NULL;
 187
 188 #define _MMCAMCORDER_STATE_SET_COUNT            3               /* checking interval */
 189 #define _MMCAMCORDER_STATE_CHECK_TOTALTIME      5000000L        /* total wating time for state change */
 190 #define _MMCAMCORDER_STATE_CHECK_INTERVAL       5000            /* checking interval */
 191
 192 /**
 193  * Total level count of manual focus */
 194 #define _MMFCAMCORDER_FOCUS_TOTAL_LEVEL         8
 195
 196 /**
 197  *      File name length limit
 198  */
 199 #define _MMCamcorder_FILENAME_LEN       (512)
 200
 201 /**
 202  *      Minimum integer value
 203  */
 204 #define _MMCAMCORDER_MIN_INT    (-2147483648)
 205
 206 /**
 207  *      Maximum integer value
 208  */
 209 #define _MMCAMCORDER_MAX_INT    (2147483647)
 210
 211 /**
 212  *      Audio timestamp margin (msec)
 213  */
 214 #define _MMCAMCORDER_AUDIO_TIME_MARGIN (300)
 215
 216 /**
 217  *      Functions related with LOCK and WAIT
 218  */
 219 #define _MMCAMCORDER_CAST_MTSAFE(handle)                                (((mmf_camcorder_t*)handle)->mtsafe)
 220
 221 #define _MMCAMCORDER_GET_LOCK(handle)                                   (_MMCAMCORDER_CAST_MTSAFE(handle).lock)
 222 #define _MMCAMCORDER_LOCK(handle)                                               g_mutex_lock(_MMCAMCORDER_GET_LOCK(handle))
 223 #define _MMCAMCORDER_TRYLOCK(handle)                                    g_mutex_trylock(_MMCAMCORDER_GET_LOCK(handle))
 224 #define _MMCAMCORDER_UNLOCK(handle)                                             g_mutex_unlock(_MMCAMCORDER_GET_LOCK(handle))
 225
 226 #define _MMCAMCORDER_GET_COND(handle)                                   (_MMCAMCORDER_CAST_MTSAFE(handle).cond)
 227 #define _MMCAMCORDER_WAIT(handle)                                               g_cond_wait (_MMCAMCORDER_GET_COND(handle), _MMCAMCORDER_GET_LOCK(handle))
 228 #define _MMCAMCORDER_TIMED_WAIT(handle, timeval)                g_cond_timed_wait (_MMCAMCORDER_GET_COND(handle), _MMCAMCORDER_GET_LOCK(handle),timeval)
 229
 230 #define _MMCAMCORDER_SIGNAL(handle)                                             g_cond_signal (_MMCAMCORDER_GET_COND(handle));
 231 #define _MMCAMCORDER_BROADCAST(handle)                                  g_cond_broadcast (_MMCAMCORDER_GET_COND(handle));
 232
 233 /* for command */
 234 #define _MMCAMCORDER_GET_CMD_LOCK(handle)                                       (_MMCAMCORDER_CAST_MTSAFE(handle).cmd_lock)
 235 #define _MMCAMCORDER_LOCK_CMD(handle)                                           g_mutex_lock(_MMCAMCORDER_GET_CMD_LOCK(handle))
 236 #define _MMCAMCORDER_TRYLOCK_CMD(handle)                                        g_mutex_trylock(_MMCAMCORDER_GET_CMD_LOCK(handle))
 237 #define _MMCAMCORDER_UNLOCK_CMD(handle)                                         g_mutex_unlock(_MMCAMCORDER_GET_CMD_LOCK(handle))
 238
 239 /* for state change */
 240 #define _MMCAMCORDER_GET_STATE_LOCK(handle)                                     (_MMCAMCORDER_CAST_MTSAFE(handle).state_lock)
 241 #define _MMCAMCORDER_LOCK_STATE(handle)                                         g_mutex_lock(_MMCAMCORDER_GET_STATE_LOCK(handle))
 242 #define _MMCAMCORDER_TRYLOCK_STATE(handle)                                      g_mutex_trylock(_MMCAMCORDER_GET_STATE_LOCK(handle))
 243 #define _MMCAMCORDER_UNLOCK_STATE(handle)                                               g_mutex_unlock(_MMCAMCORDER_GET_STATE_LOCK(handle))
 244
 245 /* for gstreamer state change */
 246 #define _MMCAMCORDER_GET_GST_STATE_LOCK(handle)                                 (_MMCAMCORDER_CAST_MTSAFE(handle).gst_state_lock)
 247 #define _MMCAMCORDER_LOCK_GST_STATE(handle)                                             g_mutex_lock(_MMCAMCORDER_GET_GST_STATE_LOCK(handle))
 248 #define _MMCAMCORDER_TRYLOCK_GST_STATE(handle)                                  g_mutex_trylock(_MMCAMCORDER_GET_GST_STATE_LOCK(handle))
 249 #define _MMCAMCORDER_UNLOCK_GST_STATE(handle)                                           g_mutex_unlock(_MMCAMCORDER_GET_GST_STATE_LOCK(handle))
 250
 251 /* for setting/calling callback */
 252 #define _MMCAMCORDER_GET_MESSAGE_CALLBACK_LOCK(handle)      (_MMCAMCORDER_CAST_MTSAFE(handle).message_cb_lock)
 253 #define _MMCAMCORDER_LOCK_MESSAGE_CALLBACK(handle)          g_mutex_lock(_MMCAMCORDER_GET_MESSAGE_CALLBACK_LOCK(handle))
 254 #define _MMCAMCORDER_TRYLOCK_MESSAGE_CALLBACK(handle)       g_mutex_trylock(_MMCAMCORDER_GET_MESSAGE_CALLBACK_LOCK(handle))
 255 #define _MMCAMCORDER_UNLOCK_MESSAGE_CALLBACK(handle)        g_mutex_unlock(_MMCAMCORDER_GET_MESSAGE_CALLBACK_LOCK(handle))
 256
 257 #define _MMCAMCORDER_GET_VCAPTURE_CALLBACK_LOCK(handle)     (_MMCAMCORDER_CAST_MTSAFE(handle).vcapture_cb_lock)
 258 #define _MMCAMCORDER_LOCK_VCAPTURE_CALLBACK(handle)         g_mutex_lock(_MMCAMCORDER_GET_VCAPTURE_CALLBACK_LOCK(handle))
 259 #define _MMCAMCORDER_TRYLOCK_VCAPTURE_CALLBACK(handle)      g_mutex_trylock(_MMCAMCORDER_GET_VCAPTURE_CALLBACK_LOCK(handle))
 260 #define _MMCAMCORDER_UNLOCK_VCAPTURE_CALLBACK(handle)       g_mutex_unlock(_MMCAMCORDER_GET_VCAPTURE_CALLBACK_LOCK(handle))
 261
 262 #define _MMCAMCORDER_GET_VSTREAM_CALLBACK_LOCK(handle)      (_MMCAMCORDER_CAST_MTSAFE(handle).vstream_cb_lock)
 263 #define _MMCAMCORDER_LOCK_VSTREAM_CALLBACK(handle)          g_mutex_lock(_MMCAMCORDER_GET_VSTREAM_CALLBACK_LOCK(handle))
 264 #define _MMCAMCORDER_TRYLOCK_VSTREAM_CALLBACK(handle)       g_mutex_trylock(_MMCAMCORDER_GET_VSTREAM_CALLBACK_LOCK(handle))
 265 #define _MMCAMCORDER_UNLOCK_VSTREAM_CALLBACK(handle)        g_mutex_unlock(_MMCAMCORDER_GET_VSTREAM_CALLBACK_LOCK(handle))
 266
 267 #define _MMCAMCORDER_GET_ASTREAM_CALLBACK_LOCK(handle)      (_MMCAMCORDER_CAST_MTSAFE(handle).astream_cb_lock)
 268 #define _MMCAMCORDER_LOCK_ASTREAM_CALLBACK(handle)          g_mutex_lock(_MMCAMCORDER_GET_ASTREAM_CALLBACK_LOCK(handle))
 269 #define _MMCAMCORDER_TRYLOCK_ASTREAM_CALLBACK(handle)       g_mutex_trylock(_MMCAMCORDER_GET_ASTREAM_CALLBACK_LOCK(handle))
 270 #define _MMCAMCORDER_UNLOCK_ASTREAM_CALLBACK(handle)        g_mutex_unlock(_MMCAMCORDER_GET_ASTREAM_CALLBACK_LOCK(handle))
 271
 272 /**
 273  * Caster of main handle (camcorder)
 274  */
 275 #define MMF_CAMCORDER(h) (mmf_camcorder_t *)(h)
 276
 277 /**
 278  * Caster of subcontext
 279  */
 280 #define MMF_CAMCORDER_SUBCONTEXT(h) (((mmf_camcorder_t *)(h))->sub_context)
 281
 282 /* LOCAL CONSTANT DEFINITIONS */
 283 /**
 284  * Total Numbers of Attribute values.
 285  * If you increase any enum of attribute values, you also have to increase this.
 286  */
 287 #define MM_CAMCORDER_MODE_NUM                   3       /**< Number of mode type */
 288 #define MM_CAMCORDER_COLOR_TONE_NUM             27      /**< Number of color-tone modes */
 289 #define MM_CAMCORDER_WHITE_BALANCE_NUM          10      /**< Number of WhiteBalance modes*/
 290 #define MM_CAMCORDER_SCENE_MODE_NUM             15      /**< Number of program-modes */
 291 #define MM_CAMCORDER_FOCUS_MODE_NUM             6       /**< Number of focus mode*/
 292 #define MM_CAMCORDER_AUTO_FOCUS_NUM             5       /**< Total count of auto focus type*/
 293 #define MM_CAMCORDER_FOCUS_STATE_NUM            4       /**< Number of focus state */
 294 #define MM_CAMCORDER_ISO_NUM                    10      /**< Number of ISO */
 295 #define MM_CAMCORDER_AUTO_EXPOSURE_NUM          9       /**< Number of Auto exposure type */
 296 #define MM_CAMCORDER_WDR_NUM                    3       /**< Number of wide dynamic range */
 297 #define MM_CAMCORDER_AHS_NUM                    4       /**< Number of anti-handshake */
 298 #define MM_CAMCORDER_GEOMETRY_METHOD_NUM        4       /**< Number of geometry method */
 299 #define MM_CAMCORDER_TAG_ORT_NUM                8       /**< Number of tag orientation */
 300 #define MM_CAMCORDER_STROBE_MODE_NUM            8       /**< Number of strobe mode type */
 301 #define MM_CAMCORDER_STROBE_CONTROL_NUM         3       /**< Number of strobe control type */
 302 #define MM_CAMCORDER_DETECT_MODE_NUM            2       /**< Number of detect mode type */
 303
 304
 305 /*=======================================================================================
 306 | ENUM DEFINITIONS                                                                      |
 307 ========================================================================================*/
 308 /**
 309  * Command for Camcorder.
 310  */
 311 enum {
 312         /* Command for Video/Audio recording */
 313         _MMCamcorder_CMD_RECORD,
 314         _MMCamcorder_CMD_PAUSE,
 315         _MMCamcorder_CMD_CANCEL,
 316         _MMCamcorder_CMD_COMMIT,
 317
 318         /* Command for Image capture */
 319         _MMCamcorder_CMD_CAPTURE,
 320         _MMCamcorder_CMD_CAPTURE_CANCEL,
 321
 322         /* Command for Preview(Video/Image only effective) */
 323         _MMCamcorder_CMD_PREVIEW_START,
 324         _MMCamcorder_CMD_PREVIEW_STOP,
 325 };
 326
 327 /**
 328  * Still-shot type
 329  */
 330 enum {
 331         _MMCamcorder_SINGLE_SHOT,
 332         _MMCamcorder_MULTI_SHOT,
 333 };
 334
 335 /**
 336  * Enumerations for manual focus direction.
 337  * If focusing mode is not "MM_CAMCORDER_AF_MODE_MANUAL", this value will be ignored.
 338  */
 339 enum MMCamcorderMfLensDir {
 340         MM_CAMCORDER_MF_LENS_DIR_FORWARD = 1,   /**< Focus direction to forward */
 341         MM_CAMCORDER_MF_LENS_DIR_BACKWARD,      /**< Focus direction to backward */
 342         MM_CAMCORDER_MF_LENS_DIR_NUM,           /**< Total number of the directions */
 343 };
 344
 345 /**
 346  * Camcorder Pipeline's Element name.
 347  * @note index of element.
 348  */
 349 typedef enum {
 350         _MMCAMCORDER_NONE = (-1),
 351
 352         /* Main Pipeline Element */
 353         _MMCAMCORDER_MAIN_PIPE = 0x00,
 354
 355         /* Pipeline element of Video input */
 356         _MMCAMCORDER_VIDEOSRC_BIN,
 357         _MMCAMCORDER_VIDEOSRC_SRC,
 358         _MMCAMCORDER_VIDEOSRC_FILT,
 359         _MMCAMCORDER_VIDEOSRC_CLS,
 360         _MMCAMCORDER_VIDEOSRC_SCALE,
 361         _MMCAMCORDER_VIDEOSRC_VSFLT,
 362         _MMCAMCORDER_VIDEOSRC_TEE,
 363
 364         /* Pipeline element of Audio input */
 365         _MMCAMCORDER_AUDIOSRC_BIN,
 366         _MMCAMCORDER_AUDIOSRC_SRC,
 367         _MMCAMCORDER_AUDIOSRC_FILT,
 368         _MMCAMCORDER_AUDIOSRC_NS,
 369         _MMCAMCORDER_AUDIOSRC_QUE,
 370         _MMCAMCORDER_AUDIOSRC_CONV,
 371         _MMCAMCORDER_AUDIOSRC_VOL,
 372         _MMCAMCORDER_AUDIOSRC_ENC,
 373
 374         /* Pipeline element of Video output */
 375         _MMCAMCORDER_VIDEOSINK_BIN,
 376         _MMCAMCORDER_VIDEOSINK_QUE,
 377         _MMCAMCORDER_VIDEOSINK_SCALE,
 378         _MMCAMCORDER_VIDEOSINK_FILT,
 379         _MMCAMCORDER_VIDEOSINK_OVERLAY,
 380         _MMCAMCORDER_VIDEOSINK_CLS,
 381         _MMCAMCORDER_VIDEOSINK_ROTATE,
 382         _MMCAMCORDER_VIDEOSINK_SINK,
 383
 384         /* Pipeline element of Encodebin */
 385         _MMCAMCORDER_ENCSINK_BIN,
 386         _MMCAMCORDER_ENCSINK_ENCBIN,
 387         _MMCAMCORDER_ENCSINK_AQUE,
 388         _MMCAMCORDER_ENCSINK_CONV,
 389         _MMCAMCORDER_ENCSINK_AENC,
 390         _MMCAMCORDER_ENCSINK_AENC_QUE,
 391         _MMCAMCORDER_ENCSINK_VQUE,
 392         _MMCAMCORDER_ENCSINK_VENC,
 393         _MMCAMCORDER_ENCSINK_VENC_QUE,
 394         _MMCAMCORDER_ENCSINK_ITOG,
 395         _MMCAMCORDER_ENCSINK_ICROP,
 396         _MMCAMCORDER_ENCSINK_ISCALE,
 397         _MMCAMCORDER_ENCSINK_IFILT,
 398         _MMCAMCORDER_ENCSINK_IQUE,
 399         _MMCAMCORDER_ENCSINK_IENC,
 400         _MMCAMCORDER_ENCSINK_MUX,
 401         _MMCAMCORDER_ENCSINK_SINK,
 402
 403         /* Pipeline element of Stillshot output */
 404         _MMCAMCORDER_STILLSHOTSINK_BIN,
 405         _MMCAMCORDER_STILLSHOTSINK_QUE,
 406         _MMCAMCORDER_STILLSHOTSINK_TOGGLE,
 407         _MMCAMCORDER_STILLSHOTSINK_CLS,
 408         _MMCAMCORDER_STILLSHOTSINK_CROP,
 409         _MMCAMCORDER_STILLSHOTSINK_FILT,
 410         _MMCAMCORDER_STILLSHOTSINK_SCALE,
 411         _MMCAMCORDER_STILLSHOTSINK_FILT2,
 412         _MMCAMCORDER_STILLSHOTSINK_ENC,
 413         _MMCAMCORDER_STILLSHOTSINK_SINK,
 414
 415         _MMCamcorder_PIPELINE_ELEMENT_NUM,
 416 } _MMCAMCORDER_PIPELINE_ELELMENT;
 417
 418 /**
 419  * Command type for Camcorder.
 420  */
 421 typedef enum {
 422         _MMCAMCORDER_CMD_CREATE,
 423         _MMCAMCORDER_CMD_DESTROY,
 424         _MMCAMCORDER_CMD_REALIZE,
 425         _MMCAMCORDER_CMD_UNREALIZE,
 426         _MMCAMCORDER_CMD_START,
 427         _MMCAMCORDER_CMD_STOP,
 428         _MMCAMCORDER_CMD_CAPTURESTART,
 429         _MMCAMCORDER_CMD_CAPTURESTOP,
 430         _MMCAMCORDER_CMD_RECORD,
 431         _MMCAMCORDER_CMD_PAUSE,
 432         _MMCAMCORDER_CMD_COMMIT,
 433         _MMCAMCORDER_CMD_CANCEL,
 434         _MMCAMCORDER_CMD_QUIT,
 435 } _MMCamcorderCommandType;
 436
 437 /**
 438  * System state change cause
 439  */
 440 typedef enum {
 441         _MMCAMCORDER_STATE_CHANGE_NORMAL = 0,
 442         _MMCAMCORDER_STATE_CHANGE_BY_ASM,
 443 } _MMCamcorderStateChange;
 444
 445
 446
 447 /*=======================================================================================
 448 | STRUCTURE DEFINITIONS                                                                 |
 449 ========================================================================================*/
 450 /**
 451  * MMCamcorder Gstreamer Element
 452  */
 453 typedef struct {
 454         unsigned int id;                /**< Gstreamer piplinem element name */
 455         GstElement *gst;                /**< Gstreamer element */
 456 } _MMCamcorderGstElement;
 457
 458 /**
 459  * MMCamcorder information for KPI measurement
 460  */
 461 typedef struct {
 462         int current_fps;                /**< current fps of this second */
 463         int average_fps;                /**< average fps  */
 464         unsigned int video_framecount;  /**< total number of video frame */
 465         unsigned int last_framecount;   /**< total number of video frame in last measurement */
 466         struct timeval init_video_time; /**< time when start to measure */
 467         struct timeval last_video_time; /**< last measurement time */
 468 } _MMCamcorderKPIMeasure;
 469
 470 /**
 471  * MMCamcorder information for Multi-Thread Safe
 472  */
 473 typedef struct {
 474         GMutex *lock;                   /**< Mutex (for general use) */
 475         GCond *cond;                    /**< Condition (for general use) */
 476         GMutex *cmd_lock;               /**< Mutex (for command) */
 477         GMutex *state_lock;             /**< Mutex (for state change) */
 478         GMutex *gst_state_lock;         /**< Mutex (for state change) */
 479         GMutex *message_cb_lock;        /**< Mutex (for message callback) */
 480         GMutex *vcapture_cb_lock;       /**< Mutex (for video capture callback) */
 481         GMutex *vstream_cb_lock;        /**< Mutex (for video stream callback) */
 482         GMutex *astream_cb_lock;        /**< Mutex (for audio stream callback) */
 483 } _MMCamcorderMTSafe;
 484
 485 /**
 486  * MMCamcorder information for command loop
 487  */
 488 typedef struct {
 489         pthread_t pCommandThread;                                                                                       /**< Command loop handle */
 490         GQueue *cmd_queue;                                                                                                      /**< Queue for Command loop */
 491         sem_t sema;                                                                                                             /**< Semaphore for Command loop */
 492 } _MMCamcorderCommand;
 493
 494 /**
 495  * MMCamcorder command information
 496  */
 497 typedef struct {
 498         MMHandleType handle;                                                                                            /**< camcorder handle */
 499         _MMCamcorderCommandType type;                                                                           /**< Type of command */
 500 } __MMCamcorderCmdInfo;
 501
 502 /**
 503  * MMCamcorder Sub Context
 504  */
 505 typedef struct {
 506         bool isMaxsizePausing;                  /**< Because of size limit, pipeline is paused. */
 507         bool isMaxtimePausing;                  /**< Because of time limit, pipeline is paused. */
 508         int element_num;                        /**< count of element */
 509         int cam_stability_count;                /**< camsensor stability count. the count of frame will drop */
 510         GstClockTime pipeline_time;             /**< current time of Gstreamer Pipeline */
 511         GstClockTime pause_time;                /** amount of time while pipeline is in PAUSE state.*/
 512         GstClockTime stillshot_time;            /** pipeline time of capturing moment*/
 513         gboolean is_slow;
 514         gboolean error_occurs;
 515         gboolean ferror_send;                   /** file write/seek error **/
 516         guint ferror_count;                     /** file write/seek error count **/
 517         GstClockTime previous_slot_time;
 518         int display_interval;                   /** This value is set as 'GST_SECOND / display FPS' */
 519         gboolean bget_eos;                      /** Whether getting EOS */
 520         gboolean bencbin_capture;               /** Use Encodebin for capturing */
 521         gboolean now_continuous_af;             /** whether continuous af starts */
 522
 523         /* For dropping video frame when start recording */
 524         int drop_vframe;                        /**< When this value is bigger than zero and pass_first_vframe is zero, MSL will drop video frame though cam_stability count is bigger then zero. */
 525         int pass_first_vframe;                  /**< When this value is bigger than zero, MSL won't drop video frame though "drop_vframe" is bigger then zero. */
 526
 527         /* INI information */
 528         unsigned int fourcc;                    /**< Get fourcc value of camera INI file */
 529         void *info;                             /**< extra information for camcorder */
 530
 531         _MMCamcorderGstElement *element;        /**< array of Gstreamer element */
 532         _MMCamcorderKPIMeasure kpi;             /**< information related with performance measurement */
 533
 534         type_element *VideosinkElement;         /**< configure data of videosink element */
 535         gboolean SensorEncodedCapture;          /**< whether camera sensor support encoded image capture */
 536         gboolean internal_encode;               /**< whether use internal encoding function */
 537 } _MMCamcorderSubContext;
 538
 539 /**
 540   * _MMCamcorderContext
 541   */
 542 typedef struct mmf_camcorder {
 543         /* information */
 544         int type;               /**< mmcamcorder_mode_type */
 545         int state;              /**< state of camcorder */
 546         int target_state;       /**< Target state that want to set. This is a flag that
 547                                    * stands for async state changing. If this value differ from state,
 548                                    * it means state is changing now asychronously. */
 549
 550         /* handles */
 551         MMHandleType attributes;               /**< Attribute handle */
 552         _MMCamcorderSubContext *sub_context;   /**< sub context */
 553         mm_exif_info_t *exif_info;             /**< EXIF */
 554         GList *buffer_probes;                  /**< a list of buffer probe handle */
 555         GList *event_probes;                   /**< a list of event probe handle */
 556         GList *data_probes;                    /**< a list of data probe handle */
 557         GList *signals;                        /**< a list of signal handle */
 558         GList *msg_data;                       /**< a list of msg data */
 559         camera_conf *conf_main;                /**< Camera configure Main structure */
 560         camera_conf *conf_ctrl;                /**< Camera configure Control structure */
 561         int asm_handle;                        /**< Audio session manager handle */
 562         guint pipeline_cb_event_id;            /**< Event source ID of pipeline message callback */
 563         guint setting_event_id;                /**< Event source ID of attributes setting to sensor */
 564         SOUND_INFO snd_info;                   /**< Sound handle for multishot capture */
 565
 566         /* callback handlers */
 567         MMMessageCallback msg_cb;                               /**< message callback */
 568         void *msg_cb_param;                                     /**< message callback parameter */
 569         mm_camcorder_video_stream_callback vstream_cb;          /**< Video stream callback */
 570         void *vstream_cb_param;                                 /**< Video stream callback parameter */
 571         mm_camcorder_audio_stream_callback astream_cb;          /**< Audio stream callback */
 572         void *astream_cb_param;                                 /**< Audio stream callback parameter */
 573         mm_camcorder_video_capture_callback vcapture_cb;        /**< Video capture callback */
 574         void *vcapture_cb_param;                                /**< Video capture callback parameter */
 575         int (*command)(MMHandleType, int);                      /**< camcorder's command */
 576
 577         /* etc */
 578         _MMCamcorderMTSafe mtsafe;              /**< Thread safe */
 579         _MMCamcorderCommand cmd;                /**< information for command loop */
 580         int sync_state_change;                  /**< Change framework state synchronously */
 581         int quick_device_close;
 582         int state_change_by_system;             /**< MSL changes its state by itself because of system(ASM,MDM..) **/
 583         int asm_event_code;                     /**< event code of audio session manager */
 584         pthread_mutex_t sound_lock;             /**< Capture sound mutex */
 585         pthread_cond_t sound_cond;              /**< Capture sound cond */
 586         int use_zero_copy_format;               /**< Whether use zero copy format for camera input */
 587
 588         int reserved[4];                        /**< reserved */
 589 } mmf_camcorder_t;
 590
 591 /*=======================================================================================
 592 | EXTERN GLOBAL VARIABLE                                                                |
 593 ========================================================================================*/
 594
 595 /*=======================================================================================
 596 | GLOBAL FUNCTION PROTOTYPES                                                            |
 597 ========================================================================================*/
 598 /**
 599  *      This function creates camcorder for capturing still image and recording.
 600  *
 601  *      @param[out]     handle          Specifies the camcorder  handle
 602  *      @param[in]      info            Preset information of camcorder
 603  *      @return         This function returns zero on success, or negative value with error code.
 604  *      @remarks        When this function calls successfully, camcorder  handle will be filled with a @n
 605  *                      valid value and the state of  the camcorder  will become MM_CAMCORDER_STATE_NULL.@n
 606  *                      Note that  it's not ready to working camcorder. @n
 607  *                      You should call mmcamcorder_realize before starting camcorder.
 608  *      @see            _mmcamcorder_create
 609  */
 610 int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info);
 611
 612 /**
 613  *      This function destroys instance of camcorder.
 614  *
 615  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 616  *      @return         This function returns zero on success, or negative value with error code.
 617  *      @see            _mmcamcorder_create
 618  */
 619 int _mmcamcorder_destroy(MMHandleType hcamcorder);
 620
 621 /**
 622  *      This function allocates memory for camcorder.
 623  *
 624  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 625  *      @return         This function returns zero on success, or negative value with error code.
 626  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_NULL @n
 627  *                      and  the state of the camcorder  will become MM_CAMCORDER_STATE_READY. @n
 628  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 629  *      @see            _mmcamcorder_unrealize
 630  *      @pre            MM_CAMCORDER_STATE_NULL
 631  *      @post           MM_CAMCORDER_STATE_READY
 632  */
 633 int _mmcamcorder_realize(MMHandleType hcamcorder);
 634
 635 /**
 636  *      This function free allocated memory for camcorder.
 637  *
 638  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 639  *      @return         This function returns zero on success, or negative value with error code.
 640  *      @remarks        This function release all resources which are allocated for the camcorder engine.@n
 641  *                      This function can  be called successfully when current state is MM_CAMCORDER_STATE_READY and  @n
 642  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_NULL. @n
 643  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 644  *      @see            _mmcamcorder_realize
 645  *      @pre            MM_CAMCORDER_STATE_READY
 646  *      @post           MM_CAMCORDER_STATE_NULL
 647  */
 648 int _mmcamcorder_unrealize(MMHandleType hcamcorder);
 649
 650 /**
 651  *      This function is to start previewing.
 652  *
 653  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 654  *      @return         This function returns zero on success, or negative value with error code.
 655  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_READY and  @n
 656  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 657  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 658  *      @see            _mmcamcorder_stop
 659  */
 660 int _mmcamcorder_start(MMHandleType hcamcorder);
 661
 662 /**
 663  *      This function is to stop previewing.
 664  *
 665  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 666  *      @return         This function returns zero on success, or negative value with error code.
 667  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_PREPARE and  @n
 668  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_READY.@n
 669  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 670  *      @see            _mmcamcorder_start
 671  */
 672 int _mmcamcorder_stop(MMHandleType hcamcorder);
 673
 674 /**
 675  *      This function to start capturing of still images.
 676  *
 677  *      @param[in]      hcamcorder      Specifies the camcorder  handle.
 678  *      @return         This function returns zero on success, or negative value with error code.
 679  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_PREPARE and @n
 680  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_CAPTURING. @n
 681  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 682  *      @see            _mmcamcorder_capture_stop
 683  */
 684 int _mmcamcorder_capture_start(MMHandleType hcamcorder);
 685
 686 /**
 687  *      This function is to stop capturing still images.
 688  *
 689  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 690  *      @return         This function returns zero on success, or negative value with error code.
 691  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_CAPTURING and @n
 692  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 693  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 694  *      @see            _mmcamcorder_capture_start
 695  */
 696 int _mmcamcorder_capture_stop(MMHandleType hcamcorder);
 697
 698 /**
 699  *      This function is to start  video and audio recording.
 700  *
 701  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 702  *      @return         This function returns zero on success, or negative value with error code.
 703  *      @remarks        This function can  be called successfully when current state is @n
 704  *                      MM_CAMCORDER_STATE_PREPARE or MM_CAMCORDER_STATE_PAUSED and  @n
 705  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_RECORDING.@n
 706  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 707  *      @see            _mmcamcorder_pause
 708  */
 709 int _mmcamcorder_record(MMHandleType hcamcorder);
 710
 711 /**
 712  *      This function is to pause video and audio recording
 713  *
 714  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 715  *      @return         This function returns zero on success, or negative value with error code.
 716  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_RECORDING and  @n
 717  *                      the  state of the camcorder  will become MM_CAMCORDER_STATE_PAUSED.@n
 718  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.@n
 719  *      @see            _mmcamcorder_record
 720  */
 721 int _mmcamcorder_pause(MMHandleType hcamcorder);
 722
 723 /**
 724  *      This function is to stop video and audio  recording and  save results.
 725  *
 726  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 727  *      @return         This function returns zero on success, or negative value with error code.
 728  *      @remarks        This function can  be called successfully when current state is @n
 729  *                      MM_CAMCORDER_STATE_PAUSED or MM_CAMCORDER_STATE_RECORDING and  @n
 730  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 731  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION
 732  *      @see            _mmcamcorder_cancel
 733  */
 734 int _mmcamcorder_commit(MMHandleType hcamcorder);
 735
 736 /**
 737  *      This function is to stop video and audio recording and do not save results.
 738  *
 739  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 740  *      @return         This function returns zero on success, or negative value with error code.
 741  *      @remarks        This function can  be called successfully when current state is @n
 742  *                      MM_CAMCORDER_STATE_PAUSED or MM_CAMCORDER_STATE_RECORDING and  @n
 743  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 744  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 745  *      @see            _mmcamcorder_commit
 746  */
 747 int _mmcamcorder_cancel(MMHandleType hcamcorder);
 748
 749 /**
 750  *      This function calls after commiting action finished asynchronously.
 751  *      In this function, remaining process , such as state change, happens.
 752  *
 753  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 754  *      @return         This function returns zero on success, or negative value with error code.
 755  *      @remarks        This function can  be called successfully when current state is @n
 756  *                      MM_CAMCORDER_STATE_PAUSED or MM_CAMCORDER_STATE_RECORDING and  @n
 757  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 758  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 759  *      @see            _mmcamcorder_commit
 760  */
 761 int _mmcamcorder_commit_async_end(MMHandleType hcamcorder);
 762
 763 /**
 764  *      This function is to set callback for receiving messages from camcorder.
 765  *
 766  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 767  *      @param[in]      callback        Specifies the function pointer of callback function
 768  *      @param[in]      user_data       Specifies the user poiner for passing to callback function
 769  *
 770  *      @return         This function returns zero on success, or negative value with error code.
 771  *      @remarks        typedef bool (*mm_message_callback) (int msg, mm_messageType *param, void *user_param);@n
 772  *              @n
 773  *              typedef union                           @n
 774  *              {                                                       @n
 775  *                      int code;                               @n
 776  *                      struct                                  @n
 777  *                      {                                               @n
 778  *                              int total;                      @n
 779  *                              int elapsed;            @n
 780  *                      } time;                                 @n
 781  *                      struct                                  @n
 782  *                      {                                               @n
 783  *                              int previous;           @n
 784  *                              int current;                    @n
 785  *                      } state;                                        @n
 786  *              } mm_message_type;      @n
 787  *                                                                      @n
 788  *              If a  message value for mm_message_callback is MM_MESSAGE_STATE_CHANGED, @n
 789  *              state value in mm_message_type  will be a mmcamcorder_state_type enum value;@n
 790  *              @n
 791  *              If  a message value for mm_message_callback is MM_MESSAGE_ERROR,  @n
 792  *              the code value in mm_message_type will be a mmplayer_error_type enum value;
 793  *
 794  *      @see            mm_message_type,  mmcamcorder_state_type,  mmcamcorder_error_type
 795  */
 796 int _mmcamcorder_set_message_callback(MMHandleType hcamcorder,
 797                                       MMMessageCallback callback,
 798                                       void *user_data);
 799
 800 /**
 801  *      This function is to set callback for video stream.
 802  *
 803  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 804  *      @param[in]      callback        Specifies the function pointer of callback function
 805  *      @param[in]      user_data       Specifies the user poiner for passing to callback function
 806  *
 807  *      @return         This function returns zero on success, or negative value with error code.
 808  *      @see            mmcamcorder_error_type
 809  */
 810 int _mmcamcorder_set_video_stream_callback(MMHandleType hcamcorder,
 811                                            mm_camcorder_video_stream_callback callback,
 812                                            void *user_data);
 813
 814 /**
 815  *      This function is to set callback for audio stream.
 816  *
 817  *      @param[in]      hcamcorder      Specifies the camcorder handle
 818  *      @param[in]      callback        Specifies the function pointer of callback function
 819  *      @param[in]      user_data       Specifies the user poiner for passing to callback function
 820  *
 821  *      @return         This function returns zero on success, or negative value with error code.
 822  *      @see            mmcamcorder_error_type
 823  */
 824 int _mmcamcorder_set_audio_stream_callback(MMHandleType handle,
 825                                            mm_camcorder_audio_stream_callback callback,
 826                                            void *user_data);
 827
 828 /**
 829  *      This function is to set callback for video capture.
 830  *
 831  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 832  *      @param[in]      callback        Specifies the function pointer of callback function
 833  *      @param[in]      user_data       Specifies the user poiner for passing to callback function
 834  *
 835  *      @return         This function returns zero on success, or negative value with error code.
 836  *      @see            mmcamcorder_error_type
 837  */
 838 int _mmcamcorder_set_video_capture_callback(MMHandleType hcamcorder,
 839                                             mm_camcorder_video_capture_callback callback,
 840                                             void *user_data);
 841
 842 /**
 843  *      This function returns current state of camcorder, or negative value with error code.
 844  *
 845  *      @param[in]      hcamcorder      Specifies the camcorder  handle.
 846  *      @return         This function returns current state of camcorder, or negative value with error code.
 847  *      @see            mmcamcorder_state_type
 848  */
 849 int _mmcamcorder_get_current_state(MMHandleType hcamcorder);
 850
 851 int _mmcamcorder_init_focusing(MMHandleType handle);
 852 int _mmcamcorder_adjust_focus(MMHandleType handle, int direction);
 853 int _mmcamcorder_adjust_manual_focus(MMHandleType handle, int direction);
 854 int _mmcamcorder_adjust_auto_focus(MMHandleType handle);
 855 int _mmcamcorder_stop_focusing(MMHandleType handle);
 856
 857 /**
 858  * This function gets current state of camcorder.
 859  *
 860  * @param       void
 861  * @return      This function returns state of current camcorder context
 862  * @remarks
 863  * @see         _mmcamcorder_set_state()
 864  *
 865  */
 866 int _mmcamcorder_streamer_init(void);
 867
 868 /**
 869  * This function gets current state of camcorder.
 870  *
 871  * @param       void
 872  * @return      This function returns state of current camcorder context
 873  * @remarks
 874  * @see         _mmcamcorder_set_state()
 875  *
 876  */
 877 int _mmcamcorder_display_init(void);
 878
 879 /**
 880  * This function gets current state of camcorder.
 881  *
 882  * @param[in]   handle          Handle of camcorder context.
 883  * @return      This function returns state of current camcorder context
 884  * @remarks
 885  * @see         _mmcamcorder_set_state()
 886  *
 887  */
 888 int _mmcamcorder_get_state(MMHandleType handle);
 889
 890 /**
 891  * This function sets new state of camcorder.
 892  *
 893  * @param[in]   handle          Handle of camcorder context.
 894  * @param[in]   state           setting state value of camcorder.
 895  * @return      void
 896  * @remarks
 897  * @see         _mmcamcorder_get_state()
 898  *
 899  */
 900 void _mmcamcorder_set_state(MMHandleType handle, int state);
 901
 902 /**
 903  * This function gets asynchronous status of MSL Camcroder.
 904  *
 905  * @param[in]   handle          Handle of camcorder context.
 906  * @param[in]   target_state    setting target_state value of camcorder.
 907  * @return      This function returns asynchrnous state.
 908  * @remarks
 909  * @see         _mmcamcorder_set_async_state()
 910  *
 911  */
 912 int _mmcamcorder_get_async_state(MMHandleType handle);
 913
 914 /**
 915  * This function sets new target state of camcorder.
 916  *
 917  * @param[in]   handle          Handle of camcorder context.
 918  * @param[in]   target_state    setting target_state value of camcorder.
 919  * @return      This function returns zero on success, or negative value with error code.
 920  * @remarks
 921  * @see         _mmcamcorder_get_async_state(), _mmcamcorder_set_async_cancel()
 922  *
 923  */
 924 int _mmcamcorder_set_async_state(MMHandleType handle, int target_state);
 925
 926 /**
 927  * This function sets new target state of camcorder.
 928  *
 929  * @param[in]   handle          Handle of camcorder context.
 930  * @return      gboolean
 931  * @remarks
 932  * @see         _mmcamcorder_set_async_cancel()
 933  *
 934  */
 935 gboolean _mmcamcorder_set_async_cancel(MMHandleType handle);
 936
 937 /**
 938  * Check whether camcorder changes its state now.
 939  *
 940  * @param[in]   handle          Handle of camcorder context.
 941  * @return      gboolean
 942  * @remarks
 943  * @see         _mmcamcorder_set_async_state(), _mmcamcorder_set_async_cancel()
 944  *
 945  */
 946 gboolean _mmcamcorder_is_state_changing(MMHandleType handle);
 947
 948 /**
 949  * This function allocates structure of subsidiary attributes.
 950  *
 951  * @param[in]   type            Allocation type of camcorder context.
 952  * @return      This function returns structure pointer on success, NULL value on failure.
 953  * @remarks
 954  * @see         _mmcamcorder_dealloc_subcontext()
 955  *
 956  */
 957 _MMCamcorderSubContext *_mmcamcorder_alloc_subcontext(int type);
 958
 959 /**
 960  * This function releases structure of subsidiary attributes.
 961  *
 962  * @param[in]   sc              Handle of camcorder subcontext.
 963  * @return      void
 964  * @remarks
 965  * @see         _mmcamcorder_alloc_subcontext()
 966  *
 967  */
 968 void _mmcamcorder_dealloc_subcontext(_MMCamcorderSubContext *sc);
 969
 970 /**
 971  * This function sets command function according to the type.
 972  *
 973  * @param[in]   handle          Handle of camcorder context.
 974  * @param[in]   type            Allocation type of camcorder context.
 975  * @return      This function returns MM_ERROR_NONE on success, or other values with error code.
 976  * @remarks
 977  * @see         __mmcamcorder_video_command(), __mmcamcorder_audio_command(), __mmcamcorder_image_command()
 978  *
 979  */
 980 int _mmcamcorder_set_functions(MMHandleType handle, int type);
 981
 982 /**
 983  * This function is callback function of main pipeline.
 984  * Once this function is registered with certain pipeline using gst_bus_add_watch(),
 985  * this callback will be called every time when there is upcomming message from pipeline.
 986  * Basically, this function is used as error handling function, now.
 987  *
 988  * @param[in]   bus             pointer of buf that called this function.
 989  * @param[in]   message         callback message from pipeline.
 990  * @param[in]   data            user data.
 991  * @return      This function returns true on success, or false value with error
 992  * @remarks
 993  * @see         __mmcamcorder_create_preview_pipeline()
 994  *
 995  */
 996 gboolean _mmcamcorder_pipeline_cb_message(GstBus *bus, GstMessage *message, gpointer data);
 997
 998 /**
 999  * This function create main pipeline according to type.
1000  *
1001  * @param[in]   handle          Handle of camcorder context.
1002  * @param[in]   type            Allocation type of camcorder context.
1003  * @return      This function returns zero on success, or negative value with error code.
1004  * @remarks
1005  * @see         _mmcamcorder_destroy_pipeline()
1006  *
1007  */
1008 int _mmcamcorder_create_pipeline(MMHandleType handle, int type);
1009
1010 /**
1011  * This function release all element of main pipeline according to type.
1012  *
1013  * @param[in]   handle          Handle of camcorder context.
1014  * @param[in]   type            Allocation type of camcorder context.
1015  * @return      void
1016  * @remarks
1017  * @see         _mmcamcorder_create_pipeline()
1018  *
1019  */
1020 void _mmcamcorder_destroy_pipeline(MMHandleType handle, int type);
1021
1022 /**
1023  * This function sets gstreamer element status.
1024  * If the gstreamer fails to set status or returns asynchronous mode,
1025  * this function waits for state changed until timeout expired.
1026  *
1027  * @param[in]   pipeline        Pointer of pipeline
1028  * @param[in]   target_state    newly setting status
1029  * @return      This function returns zero on success, or negative value with error code.
1030  * @remarks
1031  * @see
1032  *
1033  */
1034 int _mmcamcorder_gst_set_state(MMHandleType handle, GstElement *pipeline, GstState target_state);
1035
1036 /**
1037  * This function sets gstreamer element status, asynchronously.
1038  * Regardless of processing, it returns immediately.
1039  *
1040  * @param[in]   pipeline        Pointer of pipeline
1041  * @param[in]   target_state    newly setting status
1042  * @return      This function returns zero on success, or negative value with error code.
1043  * @remarks
1044  * @see
1045  *
1046  */
1047 int _mmcamcorder_gst_set_state_async(MMHandleType handle, GstElement *pipeline, GstState target_state);
1048
1049 /* For xvimagesink */
1050 GstBusSyncReply __mmcamcorder_sync_callback(GstBus *bus, GstMessage *message, gulong data);
1051
1052 /* For querying capabilities */
1053 int _mmcamcorder_read_vidsrc_info(int videodevidx, camera_conf **configure_info);
1054
1055 /* for performance check */
1056 void _mmcamcorder_video_current_framerate_init(MMHandleType handle);
1057 int _mmcamcorder_video_current_framerate(MMHandleType handle);
1058 int _mmcamcorder_video_average_framerate(MMHandleType handle);
1059
1060 /* command */
1061 void _mmcamcorder_delete_command_info(__MMCamcorderCmdInfo *cmdinfo);
1062 int _mmcamcorder_create_command_loop(MMHandleType handle);
1063 int _mmcamcorder_destroy_command_loop(MMHandleType handle);
1064 int _mmcamcorder_append_command(MMHandleType handle, __MMCamcorderCmdInfo *info);
1065 int _mmcamcorder_append_simple_command(MMHandleType handle, _MMCamcorderCommandType type);
1066 void *_mmcamcorder_command_loop_thread(void *arg);
1067
1068 #ifdef __cplusplus
1069 }
1070 #endif
1071
1072 #endif /* __MM_CAMCORDER_INTERNAL_H__ */