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 | INCLUDE FILES                                                                         |
  27 ========================================================================================*/
  28 #include <malloc.h>
  29 #include <string.h>
  30 #include <unistd.h>
  31 #include <semaphore.h>
  32
  33 #include <mm_types.h>
  34 #include <mm_attrs.h>
  35 #include <mm_attrs_private.h>
  36 #include <mm_message.h>
  37 #include <mm_sound_focus.h>
  38 #include <vconf.h>
  39 #include <gst/video/video-format.h>
  40 #include <ttrace.h>
  41 #include <errno.h>
  42 #include <restriction.h> /* device policy manager */
  43
  44 #include "mm_camcorder.h"
  45 #include "mm_debug.h"
  46 #include "mm_camcorder_resource.h"
  47
  48 /* camcorder sub module */
  49 #include "mm_camcorder_attribute.h"
  50 #include "mm_camcorder_platform.h"
  51 #include "mm_camcorder_stillshot.h"
  52 #include "mm_camcorder_videorec.h"
  53 #include "mm_camcorder_audiorec.h"
  54 #include "mm_camcorder_gstcommon.h"
  55 #include "mm_camcorder_exifinfo.h"
  56 #include "mm_camcorder_util.h"
  57 #include "mm_camcorder_configure.h"
  58 #include "mm_camcorder_sound.h"
  59
  60 #ifdef __cplusplus
  61 extern "C" {
  62 #endif
  63
  64 /*=======================================================================================
  65 | MACRO DEFINITIONS                                                                     |
  66 ========================================================================================*/
  67 #define _mmcam_dbg_verb(fmt, args...)  debug_verbose (" "fmt"\n", ##args);
  68 #define _mmcam_dbg_log(fmt, args...)   debug_log (" "fmt"\n", ##args);
  69 #define _mmcam_dbg_warn(fmt, args...)  debug_warning (" "fmt"\n", ##args);
  70 #define _mmcam_dbg_err(fmt, args...)   debug_error (" "fmt"\n", ##args);
  71 #define _mmcam_dbg_crit(fmt, args...)  debug_critical (" "fmt"\n", ##args);
  72
  73 /**
  74  *      Macro for checking validity and debugging
  75  */
  76 #define mmf_return_if_fail( expr )      \
  77         if( expr ){}                                    \
  78         else                                            \
  79         {                                                       \
  80                 _mmcam_dbg_err( "failed [%s]", #expr);  \
  81                 return;                                         \
  82         };
  83
  84 /**
  85  *      Macro for checking validity and debugging
  86  */
  87 #define mmf_return_val_if_fail( expr, val )     \
  88         if( expr ){}                                    \
  89         else                                            \
  90         {                                                       \
  91                 _mmcam_dbg_err("failed [%s]", #expr);   \
  92                 return( val );                                          \
  93         };
  94
  95 #ifndef ARRAY_SIZE
  96 /**
  97  *      Macro for getting array size
  98  */
  99 #define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
 100 #endif
 101
 102 /* gstreamer element creation macro */
 103 #define _MMCAMCORDER_PIPELINE_MAKE(sub_context, element, eid, name /*char* */, err) \
 104         if (element[eid].gst != NULL) { \
 105                 _mmcam_dbg_err("The element(Pipeline) is existed. element_id=[%d], name=[%s]", eid, name); \
 106                 gst_object_unref(element[eid].gst); \
 107         } \
 108         element[eid].id = eid; \
 109         element[eid].gst = gst_pipeline_new(name); \
 110         if (element[eid].gst == NULL) { \
 111                 _mmcam_dbg_err("Pipeline creation fail. element_id=[%d], name=[%s]", eid, name); \
 112                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 113                 goto pipeline_creation_error; \
 114         } else { \
 115                 g_object_weak_ref(G_OBJECT(element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 116         }
 117
 118 #define _MMCAMCORDER_BIN_MAKE(sub_context, element, eid, name /*char* */, err) \
 119         if (element[eid].gst != NULL) { \
 120                 _mmcam_dbg_err("The element(Bin) is existed. element_id=[%d], name=[%s]", eid, name); \
 121                 gst_object_unref(element[eid].gst); \
 122         } \
 123         element[eid].id = eid; \
 124         element[eid].gst = gst_bin_new(name); \
 125         if (element[eid].gst == NULL) { \
 126                 _mmcam_dbg_err("Bin creation fail. element_id=[%d], name=[%s]\n", eid, name); \
 127                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 128                 goto pipeline_creation_error; \
 129         } else { \
 130                 g_object_weak_ref(G_OBJECT(element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 131         }
 132
 133 #define _MMCAMCORDER_ELEMENT_MAKE(sub_context, element, eid, name /*char* */, nickname /*char* */, elist, err) \
 134         if (element[eid].gst != NULL) { \
 135                 _mmcam_dbg_err("The element is existed. element_id=[%d], name=[%s]", eid, name); \
 136                 gst_object_unref(element[eid].gst); \
 137         } \
 138         traceBegin(TTRACE_TAG_CAMERA, "MMCAMCORDER:ELEMENT_MAKE:%s", name); \
 139         element[eid].gst = gst_element_factory_make(name, nickname); \
 140         traceEnd(TTRACE_TAG_CAMERA); \
 141         if (element[eid].gst == NULL) { \
 142                 _mmcam_dbg_err("Element creation fail. element_id=[%d], name=[%s]", eid, name); \
 143                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 144                 goto pipeline_creation_error; \
 145         } else { \
 146                 _mmcam_dbg_log("Element creation done. element_id=[%d], name=[%s]", eid, name); \
 147                 element[eid].id = eid; \
 148                 g_object_weak_ref(G_OBJECT(element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 149                 err = MM_ERROR_NONE; \
 150         } \
 151         elist = g_list_append(elist, &(element[eid]));
 152
 153 #define _MMCAMCORDER_ELEMENT_MAKE2(sub_context, element, eid, name /*char* */, nickname /*char* */, err) \
 154         if (element[eid].gst != NULL) { \
 155                 _mmcam_dbg_err("The element is existed. element_id=[%d], name=[%s]", eid, name); \
 156                 gst_object_unref(element[eid].gst); \
 157         } \
 158         element[eid].gst = gst_element_factory_make(name, nickname); \
 159         if (element[eid].gst == NULL) { \
 160                 _mmcam_dbg_err("Element creation fail. element_id=[%d], name=[%s]", eid, name); \
 161                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 162         } else { \
 163                 _mmcam_dbg_log("Element creation done. element_id=[%d], name=[%s]", eid, name); \
 164                 element[eid].id = eid; \
 165                 g_object_weak_ref(G_OBJECT(element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 166                 err = MM_ERROR_NONE; \
 167         } \
 168
 169 #define _MMCAMCORDER_ELEMENT_MAKE_IGNORE_ERROR(sub_context, element, eid, name /*char* */, nickname /*char* */, elist) \
 170         if (element[eid].gst != NULL) { \
 171                 _mmcam_dbg_err("The element is existed. element_id=[%d], name=[%s]", eid, name); \
 172                 gst_object_unref(element[eid].gst); \
 173         } \
 174         element[eid].gst = gst_element_factory_make(name, nickname); \
 175         if (element[eid].gst == NULL) { \
 176                 _mmcam_dbg_err("Element creation fail. element_id=[%d], name=[%s], but keep going...", eid, name); \
 177         } else { \
 178                 _mmcam_dbg_log("Element creation done. element_id=[%d], name=[%s]", eid, name); \
 179                 element[eid].id = eid; \
 180                 g_object_weak_ref(G_OBJECT(element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 181                 elist = g_list_append(elist, &(element[eid])); \
 182         }
 183
 184 #define _MMCAMCORDER_ENCODEBIN_ELMGET(sub_context, eid, name /*char* */, err) \
 185         if (sub_context->encode_element[eid].gst != NULL) { \
 186                 _mmcam_dbg_err("The element is existed. element_id=[%d], name=[%s]", eid, name); \
 187                 gst_object_unref(sub_context->encode_element[eid].gst); \
 188         } \
 189         sub_context->encode_element[eid].id = eid; \
 190         g_object_get(G_OBJECT(sub_context->encode_element[_MMCAMCORDER_ENCSINK_ENCBIN].gst), name, &(sub_context->encode_element[eid].gst), NULL); \
 191         if (sub_context->encode_element[eid].gst == NULL) { \
 192                 _mmcam_dbg_err("Encode Element get fail. element_id=[%d], name=[%s]", eid, name); \
 193                 err = MM_ERROR_CAMCORDER_RESOURCE_CREATION; \
 194                 goto pipeline_creation_error; \
 195         } else{ \
 196                 gst_object_unref(sub_context->encode_element[eid].gst); \
 197                 g_object_weak_ref(G_OBJECT(sub_context->encode_element[eid].gst), (GWeakNotify)_mmcamcorder_element_release_noti, sub_context); \
 198         }
 199
 200 /* GStreamer element remove macro */
 201 #define _MMCAMCORDER_ELEMENT_REMOVE(element, eid) \
 202         if (element[eid].gst != NULL) { \
 203                 gst_object_unref(element[eid].gst); \
 204         }
 205
 206 #define _MM_GST_ELEMENT_LINK_MANY       gst_element_link_many
 207 #define _MM_GST_ELEMENT_LINK            gst_element_link
 208 #define _MM_GST_ELEMENT_LINK_FILTERED   gst_element_link_filtered
 209 #define _MM_GST_ELEMENT_UNLINK          gst_element_unlink
 210 #define _MM_GST_PAD_LINK                gst_pad_link
 211
 212 #define _MM_GST_PAD_LINK_UNREF(srcpad, sinkpad, err, if_fail_goto)\
 213 {\
 214         GstPadLinkReturn ret = GST_PAD_LINK_OK;\
 215         if (srcpad == NULL || sinkpad == NULL) {\
 216                 if (srcpad == NULL) {\
 217                         _mmcam_dbg_err("srcpad is NULL");\
 218                 } else {\
 219                         gst_object_unref(srcpad);\
 220                         srcpad = NULL;\
 221                 }\
 222                 if (sinkpad == NULL) {\
 223                         _mmcam_dbg_err("sinkpad is NULL");\
 224                 } else {\
 225                         gst_object_unref(sinkpad);\
 226                         sinkpad = NULL;\
 227                 }\
 228                 err = MM_ERROR_CAMCORDER_GST_LINK;\
 229                 goto if_fail_goto;\
 230         }\
 231         ret = _MM_GST_PAD_LINK(srcpad, sinkpad);\
 232         if (ret != GST_PAD_LINK_OK) {\
 233                 GstObject *src_parent = gst_pad_get_parent(srcpad);\
 234                 GstObject *sink_parent = gst_pad_get_parent(sinkpad);\
 235                 char *src_name = NULL;\
 236                 char *sink_name = NULL;\
 237                 g_object_get((GObject *)src_parent, "name", &src_name, NULL);\
 238                 g_object_get((GObject *)sink_parent, "name", &sink_name, NULL);\
 239                 _mmcam_dbg_err("src[%s] - sink[%s] link failed", src_name, sink_name);\
 240                 gst_object_unref(src_parent); src_parent = NULL;\
 241                 gst_object_unref(sink_parent); sink_parent = NULL;\
 242                 if (src_name) {\
 243                         free(src_name); src_name = NULL;\
 244                 }\
 245                 if (sink_name) {\
 246                         free(sink_name); sink_name = NULL;\
 247                 }\
 248                 gst_object_unref(srcpad); srcpad = NULL;\
 249                 gst_object_unref(sinkpad); sinkpad = NULL;\
 250                 err = MM_ERROR_CAMCORDER_GST_LINK;\
 251                 goto if_fail_goto;\
 252         }\
 253         gst_object_unref(srcpad); srcpad = NULL;\
 254         gst_object_unref(sinkpad); sinkpad = NULL;\
 255 }
 256
 257 #define _MM_GST_PAD_UNLINK_UNREF( srcpad, sinkpad) \
 258         if (srcpad && sinkpad) { \
 259                 gst_pad_unlink(srcpad, sinkpad); \
 260         } else { \
 261                 _mmcam_dbg_warn("some pad(srcpad:%p,sinkpad:%p) is NULL", srcpad, sinkpad); \
 262         } \
 263         if (srcpad) { \
 264                 gst_object_unref(srcpad); srcpad = NULL; \
 265         } \
 266         if (sinkpad) { \
 267                 gst_object_unref(sinkpad); sinkpad = NULL; \
 268         }
 269
 270 #define _MMCAMCORDER_STATE_SET_COUNT            3               /* checking interval */
 271 #define _MMCAMCORDER_STATE_CHECK_TOTALTIME      5000000L        /* total wating time for state change */
 272 #define _MMCAMCORDER_STATE_CHECK_INTERVAL       (50*1000)       /* checking interval - 50ms*/
 273
 274 /**
 275  * Default videosink type
 276  */
 277 #define _MMCAMCORDER_DEFAULT_VIDEOSINK_TYPE     "VideosinkElementOverlay"
 278
 279 /**
 280  * Default recording motion rate
 281  */
 282 #define _MMCAMCORDER_DEFAULT_RECORDING_MOTION_RATE   1.0
 283
 284 /**
 285  * Total level count of manual focus */
 286 #define _MMFCAMCORDER_FOCUS_TOTAL_LEVEL         8
 287
 288 /**
 289  *      File name length limit
 290  */
 291 #define _MMCamcorder_FILENAME_LEN       (512)
 292
 293 /**
 294  *      Minimum integer value
 295  */
 296 #define _MMCAMCORDER_MIN_INT    (INT_MIN)
 297
 298 /**
 299  *      Maximum integer value
 300  */
 301 #define _MMCAMCORDER_MAX_INT    (INT_MAX)
 302
 303 /**
 304  *      Minimum double value
 305  */
 306 #define _MMCAMCORDER_MIN_DOUBLE (DBL_MIN)
 307
 308 /**
 309  *      Maximum integer value
 310  */
 311 #define _MMCAMCORDER_MAX_DOUBLE (DBL_MAX)
 312
 313 /**
 314  *      Audio timestamp margin (msec)
 315  */
 316 #define _MMCAMCORDER_AUDIO_TIME_MARGIN (300)
 317
 318 /**
 319  *      Functions related with LOCK and WAIT
 320  */
 321 #define _MMCAMCORDER_CAST_MTSAFE(handle)            (((mmf_camcorder_t*)handle)->mtsafe)
 322 #define _MMCAMCORDER_LOCK_FUNC(mutex)               g_mutex_lock(&mutex)
 323 #define _MMCAMCORDER_TRYLOCK_FUNC(mutex)            g_mutex_trylock(&mutex)
 324 #define _MMCAMCORDER_UNLOCK_FUNC(mutex)             g_mutex_unlock(&mutex)
 325
 326 #define _MMCAMCORDER_GET_LOCK(handle)               (_MMCAMCORDER_CAST_MTSAFE(handle).lock)
 327 #define _MMCAMCORDER_LOCK(handle)                   _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_LOCK(handle))
 328 #define _MMCAMCORDER_TRYLOCK(handle)                _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_LOCK(handle))
 329 #define _MMCAMCORDER_UNLOCK(handle)                 _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_LOCK(handle))
 330
 331 #define _MMCAMCORDER_GET_COND(handle)               (_MMCAMCORDER_CAST_MTSAFE(handle).cond)
 332 #define _MMCAMCORDER_WAIT(handle)                   g_cond_wait(&_MMCAMCORDER_GET_COND(handle), &_MMCAMCORDER_GET_LOCK(handle))
 333 #define _MMCAMCORDER_WAIT_UNTIL(handle, end_time)   g_cond_wait_until(&_MMCAMCORDER_GET_COND(handle), &_MMCAMCORDER_GET_LOCK(handle), end_time)
 334 #define _MMCAMCORDER_SIGNAL(handle)                 g_cond_signal(&_MMCAMCORDER_GET_COND(handle));
 335 #define _MMCAMCORDER_BROADCAST(handle)              g_cond_broadcast(&_MMCAMCORDER_GET_COND(handle));
 336
 337 /* for command */
 338 #define _MMCAMCORDER_GET_CMD_LOCK(handle)           (_MMCAMCORDER_CAST_MTSAFE(handle).cmd_lock)
 339 #define _MMCAMCORDER_GET_CMD_COND(handle)           (_MMCAMCORDER_CAST_MTSAFE(handle).cmd_cond)
 340 #define _MMCAMCORDER_LOCK_CMD(handle)               _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_CMD_LOCK(handle))
 341 #define _MMCAMCORDER_TRYLOCK_CMD(handle)            _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_CMD_LOCK(handle))
 342 #define _MMCAMCORDER_UNLOCK_CMD(handle)             _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_CMD_LOCK(handle))
 343 #define _MMCAMCORDER_CMD_WAIT(handle)                 g_cond_wait(&_MMCAMCORDER_GET_CMD_COND(handle), &_MMCAMCORDER_GET_CMD_LOCK(handle))
 344 #define _MMCAMCORDER_CMD_WAIT_UNTIL(handle, end_time) g_cond_wait_until(&_MMCAMCORDER_GET_CMD_COND(handle), &_MMCAMCORDER_GET_CMD_LOCK(handle), end_time)
 345 #define _MMCAMCORDER_CMD_SIGNAL(handle)               g_cond_signal(&_MMCAMCORDER_GET_CMD_COND(handle));
 346
 347 /* for ASM */
 348 #define _MMCAMCORDER_GET_ASM_LOCK(handle)           (_MMCAMCORDER_CAST_MTSAFE(handle).asm_lock)
 349 #define _MMCAMCORDER_LOCK_ASM(handle)               _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_ASM_LOCK(handle))
 350 #define _MMCAMCORDER_TRYLOCK_ASM(handle)            _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_ASM_LOCK(handle))
 351 #define _MMCAMCORDER_UNLOCK_ASM(handle)             _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_ASM_LOCK(handle))
 352
 353 /* for state change */
 354 #define _MMCAMCORDER_GET_STATE_LOCK(handle)         (_MMCAMCORDER_CAST_MTSAFE(handle).state_lock)
 355 #define _MMCAMCORDER_LOCK_STATE(handle)             _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_STATE_LOCK(handle))
 356 #define _MMCAMCORDER_TRYLOCK_STATE(handle)          _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_STATE_LOCK(handle))
 357 #define _MMCAMCORDER_UNLOCK_STATE(handle)           _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_STATE_LOCK(handle))
 358
 359 /* for gstreamer state change */
 360 #define _MMCAMCORDER_GET_GST_STATE_LOCK(handle)     (_MMCAMCORDER_CAST_MTSAFE(handle).gst_state_lock)
 361 #define _MMCAMCORDER_LOCK_GST_STATE(handle)         _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_GST_STATE_LOCK(handle))
 362 #define _MMCAMCORDER_TRYLOCK_GST_STATE(handle)      _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_GST_STATE_LOCK(handle))
 363 #define _MMCAMCORDER_UNLOCK_GST_STATE(handle)       _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_GST_STATE_LOCK(handle))
 364
 365 #define _MMCAMCORDER_GET_GST_ENCODE_STATE_LOCK(handle)      (_MMCAMCORDER_CAST_MTSAFE(handle).gst_encode_state_lock)
 366 #define _MMCAMCORDER_LOCK_GST_ENCODE_STATE(handle)          _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_GST_ENCODE_STATE_LOCK(handle))
 367 #define _MMCAMCORDER_TRYLOCK_GST_ENCODE_STATE(handle)       _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_GST_ENCODE_STATE_LOCK(handle))
 368 #define _MMCAMCORDER_UNLOCK_GST_ENCODE_STATE(handle)        _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_GST_ENCODE_STATE_LOCK(handle))
 369
 370 /* for setting/calling callback */
 371 #define _MMCAMCORDER_GET_MESSAGE_CALLBACK_LOCK(handle)      (_MMCAMCORDER_CAST_MTSAFE(handle).message_cb_lock)
 372 #define _MMCAMCORDER_LOCK_MESSAGE_CALLBACK(handle)          _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_MESSAGE_CALLBACK_LOCK(handle))
 373 #define _MMCAMCORDER_TRYLOCK_MESSAGE_CALLBACK(handle)       _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_MESSAGE_CALLBACK_LOCK(handle))
 374 #define _MMCAMCORDER_UNLOCK_MESSAGE_CALLBACK(handle)        _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_MESSAGE_CALLBACK_LOCK(handle))
 375
 376 #define _MMCAMCORDER_GET_VCAPTURE_CALLBACK_LOCK(handle)     (_MMCAMCORDER_CAST_MTSAFE(handle).vcapture_cb_lock)
 377 #define _MMCAMCORDER_LOCK_VCAPTURE_CALLBACK(handle)         _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_VCAPTURE_CALLBACK_LOCK(handle))
 378 #define _MMCAMCORDER_TRYLOCK_VCAPTURE_CALLBACK(handle)      _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_VCAPTURE_CALLBACK_LOCK(handle))
 379 #define _MMCAMCORDER_UNLOCK_VCAPTURE_CALLBACK(handle)       _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_VCAPTURE_CALLBACK_LOCK(handle))
 380
 381 #define _MMCAMCORDER_GET_VSTREAM_CALLBACK_LOCK(handle)      (_MMCAMCORDER_CAST_MTSAFE(handle).vstream_cb_lock)
 382 #define _MMCAMCORDER_LOCK_VSTREAM_CALLBACK(handle)          _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_VSTREAM_CALLBACK_LOCK(handle))
 383 #define _MMCAMCORDER_TRYLOCK_VSTREAM_CALLBACK(handle)       _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_VSTREAM_CALLBACK_LOCK(handle))
 384 #define _MMCAMCORDER_UNLOCK_VSTREAM_CALLBACK(handle)        _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_VSTREAM_CALLBACK_LOCK(handle))
 385
 386 #define _MMCAMCORDER_GET_ASTREAM_CALLBACK_LOCK(handle)      (_MMCAMCORDER_CAST_MTSAFE(handle).astream_cb_lock)
 387 #define _MMCAMCORDER_LOCK_ASTREAM_CALLBACK(handle)          _MMCAMCORDER_LOCK_FUNC(_MMCAMCORDER_GET_ASTREAM_CALLBACK_LOCK(handle))
 388 #define _MMCAMCORDER_TRYLOCK_ASTREAM_CALLBACK(handle)       _MMCAMCORDER_TRYLOCK_FUNC(_MMCAMCORDER_GET_ASTREAM_CALLBACK_LOCK(handle))
 389 #define _MMCAMCORDER_UNLOCK_ASTREAM_CALLBACK(handle)        _MMCAMCORDER_UNLOCK_FUNC(_MMCAMCORDER_GET_ASTREAM_CALLBACK_LOCK(handle))
 390
 391 /**
 392  * Caster of main handle (camcorder)
 393  */
 394 #define MMF_CAMCORDER(h) (mmf_camcorder_t *)(h)
 395
 396 /**
 397  * Caster of subcontext
 398  */
 399 #define MMF_CAMCORDER_SUBCONTEXT(h) (((mmf_camcorder_t *)(h))->sub_context)
 400
 401 /* LOCAL CONSTANT DEFINITIONS */
 402 /**
 403  * Total Numbers of Attribute values.
 404  * If you increase any enum of attribute values, you also have to increase this.
 405  */
 406 #define MM_CAMCORDER_MODE_NUM                   3       /**< Number of mode type */
 407 #define MM_CAMCORDER_COLOR_TONE_NUM             30      /**< Number of color-tone modes */
 408 #define MM_CAMCORDER_WHITE_BALANCE_NUM          10      /**< Number of WhiteBalance modes*/
 409 #define MM_CAMCORDER_SCENE_MODE_NUM             16      /**< Number of program-modes */
 410 #define MM_CAMCORDER_FOCUS_MODE_NUM             6       /**< Number of focus mode*/
 411 #define MM_CAMCORDER_AUTO_FOCUS_NUM             5       /**< Total count of auto focus type*/
 412 #define MM_CAMCORDER_FOCUS_STATE_NUM            4       /**< Number of focus state */
 413 #define MM_CAMCORDER_ISO_NUM                    10      /**< Number of ISO */
 414 #define MM_CAMCORDER_AUTO_EXPOSURE_NUM          9       /**< Number of Auto exposure type */
 415 #define MM_CAMCORDER_WDR_NUM                    3       /**< Number of wide dynamic range */
 416 #define MM_CAMCORDER_FLIP_NUM                   4       /**< Number of Filp mode */
 417 #define MM_CAMCORDER_ROTATION_NUM               4       /**< Number of Rotation mode */
 418 #define MM_CAMCORDER_AHS_NUM                    4       /**< Number of anti-handshake */
 419 #define MM_CAMCORDER_VIDEO_STABILIZATION_NUM    2       /**< Number of video stabilization */
 420 #define MM_CAMCORDER_HDR_CAPTURE_NUM            3       /**< Number of HDR capture mode */
 421 #define MM_CAMCORDER_GEOMETRY_METHOD_NUM        5       /**< Number of geometry method */
 422 #define MM_CAMCORDER_TAG_ORT_NUM                8       /**< Number of tag orientation */
 423 #define MM_CAMCORDER_STROBE_MODE_NUM            8       /**< Number of strobe mode type */
 424 #define MM_CAMCORDER_STROBE_CONTROL_NUM         3       /**< Number of strobe control type */
 425 #define MM_CAMCORDER_DETECT_MODE_NUM            2       /**< Number of detect mode type */
 426
 427 /*=======================================================================================
 428 | ENUM DEFINITIONS                                                                      |
 429 ========================================================================================*/
 430 /**
 431  * Command for Camcorder.
 432  */
 433 enum {
 434         /* Command for Video/Audio recording */
 435         _MMCamcorder_CMD_RECORD,
 436         _MMCamcorder_CMD_PAUSE,
 437         _MMCamcorder_CMD_CANCEL,
 438         _MMCamcorder_CMD_COMMIT,
 439
 440         /* Command for Image capture */
 441         _MMCamcorder_CMD_CAPTURE,
 442
 443         /* Command for Preview(Video/Image only effective) */
 444         _MMCamcorder_CMD_PREVIEW_START,
 445         _MMCamcorder_CMD_PREVIEW_STOP,
 446 };
 447
 448 /**
 449  * Still-shot type
 450  */
 451 enum {
 452         _MMCamcorder_SINGLE_SHOT,
 453         _MMCamcorder_MULTI_SHOT,
 454 };
 455
 456 /**
 457  * Enumerations for manual focus direction.
 458  * If focusing mode is not "MM_CAMCORDER_AF_MODE_MANUAL", this value will be ignored.
 459  */
 460 enum MMCamcorderMfLensDir {
 461         MM_CAMCORDER_MF_LENS_DIR_FORWARD = 1,   /**< Focus direction to forward */
 462         MM_CAMCORDER_MF_LENS_DIR_BACKWARD,      /**< Focus direction to backward */
 463         MM_CAMCORDER_MF_LENS_DIR_NUM,           /**< Total number of the directions */
 464 };
 465
 466 /**
 467  * Camcorder Pipeline's Element name.
 468  * @note index of element.
 469  */
 470 typedef enum {
 471         _MMCAMCORDER_NONE = (-1),
 472
 473         /* Main Pipeline Element */
 474         _MMCAMCORDER_MAIN_PIPE = 0x00,
 475
 476         /* Pipeline element of Video input */
 477         _MMCAMCORDER_VIDEOSRC_SRC,
 478         _MMCAMCORDER_VIDEOSRC_FILT,
 479         _MMCAMCORDER_VIDEOSRC_CLS_QUE,
 480         _MMCAMCORDER_VIDEOSRC_CLS,
 481         _MMCAMCORDER_VIDEOSRC_CLS_FILT,
 482         _MMCAMCORDER_VIDEOSRC_QUE,
 483         _MMCAMCORDER_VIDEOSRC_DECODE,
 484
 485         /* Pipeline element of Video output */
 486         _MMCAMCORDER_VIDEOSINK_QUE,
 487         _MMCAMCORDER_VIDEOSINK_SINK,
 488
 489         _MMCAMCORDER_PIPELINE_ELEMENT_NUM,
 490 } _MMCAMCORDER_PREVIEW_PIPELINE_ELELMENT;
 491
 492 /**
 493  * Camcorder Pipeline's Element name.
 494  * @note index of element.
 495  */
 496 typedef enum {
 497         _MMCAMCORDER_ENCODE_NONE = (-1),
 498
 499         /* Main Pipeline Element */
 500         _MMCAMCORDER_ENCODE_MAIN_PIPE = 0x00,
 501
 502         /* Pipeline element of Audio input */
 503         _MMCAMCORDER_AUDIOSRC_BIN,
 504         _MMCAMCORDER_AUDIOSRC_SRC,
 505         _MMCAMCORDER_AUDIOSRC_FILT,
 506         _MMCAMCORDER_AUDIOSRC_QUE,
 507         _MMCAMCORDER_AUDIOSRC_CONV,
 508         _MMCAMCORDER_AUDIOSRC_VOL,
 509
 510         /* Pipeline element of Encodebin */
 511         _MMCAMCORDER_ENCSINK_BIN,
 512         _MMCAMCORDER_ENCSINK_SRC,
 513         _MMCAMCORDER_ENCSINK_FILT,
 514         _MMCAMCORDER_ENCSINK_ENCBIN,
 515         _MMCAMCORDER_ENCSINK_AQUE,
 516         _MMCAMCORDER_ENCSINK_CONV,
 517         _MMCAMCORDER_ENCSINK_AENC,
 518         _MMCAMCORDER_ENCSINK_AENC_QUE,
 519         _MMCAMCORDER_ENCSINK_VQUE,
 520         _MMCAMCORDER_ENCSINK_VCONV,
 521         _MMCAMCORDER_ENCSINK_VENC,
 522         _MMCAMCORDER_ENCSINK_VENC_QUE,
 523         _MMCAMCORDER_ENCSINK_ITOG,
 524         _MMCAMCORDER_ENCSINK_ICROP,
 525         _MMCAMCORDER_ENCSINK_ISCALE,
 526         _MMCAMCORDER_ENCSINK_IFILT,
 527         _MMCAMCORDER_ENCSINK_IQUE,
 528         _MMCAMCORDER_ENCSINK_IENC,
 529         _MMCAMCORDER_ENCSINK_MUX,
 530         _MMCAMCORDER_ENCSINK_SINK,
 531
 532         _MMCAMCORDER_ENCODE_PIPELINE_ELEMENT_NUM,
 533 } _MMCAMCORDER_ENCODE_PIPELINE_ELELMENT;
 534
 535 typedef enum {
 536         _MMCAMCORDER_TASK_THREAD_STATE_NONE,
 537         _MMCAMCORDER_TASK_THREAD_STATE_SOUND_PLAY_START,
 538         _MMCAMCORDER_TASK_THREAD_STATE_SOUND_SOLO_PLAY_START,
 539         _MMCAMCORDER_TASK_THREAD_STATE_ENCODE_PIPE_CREATE,
 540         _MMCAMCORDER_TASK_THREAD_STATE_CHECK_CAPTURE_IN_RECORDING,
 541         _MMCAMCORDER_TASK_THREAD_STATE_EXIT,
 542 } _MMCamcorderTaskThreadState;
 543
 544 /**
 545  * System state change cause
 546  */
 547 typedef enum {
 548         _MMCAMCORDER_STATE_CHANGE_NORMAL = 0,
 549         _MMCAMCORDER_STATE_CHANGE_BY_ASM,
 550         _MMCAMCORDER_STATE_CHANGE_BY_RM,
 551         _MMCAMCORDER_STATE_CHANGE_BY_DPM
 552 } _MMCamcorderStateChange;
 553
 554
 555 /*=======================================================================================
 556 | STRUCTURE DEFINITIONS                                                                 |
 557 ========================================================================================*/
 558 /**
 559  * MMCamcorder Gstreamer Element
 560  */
 561 typedef struct {
 562         unsigned int id;                /**< Gstreamer piplinem element name */
 563         GstElement *gst;                /**< Gstreamer element */
 564 } _MMCamcorderGstElement;
 565
 566 /**
 567  * MMCamcorder information for KPI measurement
 568  */
 569 typedef struct {
 570         int current_fps;                /**< current fps of this second */
 571         int average_fps;                /**< average fps  */
 572         unsigned int video_framecount;  /**< total number of video frame */
 573         unsigned int last_framecount;   /**< total number of video frame in last measurement */
 574         struct timeval init_video_time; /**< time when start to measure */
 575         struct timeval last_video_time; /**< last measurement time */
 576 } _MMCamcorderKPIMeasure;
 577
 578 /**
 579  * MMCamcorder information for Multi-Thread Safe
 580  */
 581 typedef struct {
 582         GMutex lock;                    /**< Mutex (for general use) */
 583         GCond cond;                     /**< Condition (for general use) */
 584         GMutex cmd_lock;                /**< Mutex (for command) */
 585         GCond cmd_cond;                 /**< Condition (for command) */
 586         GMutex asm_lock;                /**< Mutex (for ASM) */
 587         GMutex state_lock;              /**< Mutex (for state change) */
 588         GMutex gst_state_lock;          /**< Mutex (for gst pipeline state change) */
 589         GMutex gst_encode_state_lock;   /**< Mutex (for gst encode pipeline state change) */
 590         GMutex message_cb_lock;         /**< Mutex (for message callback) */
 591         GMutex vcapture_cb_lock;        /**< Mutex (for video capture callback) */
 592         GMutex vstream_cb_lock;         /**< Mutex (for video stream callback) */
 593         GMutex astream_cb_lock;         /**< Mutex (for audio stream callback) */
 594 } _MMCamcorderMTSafe;
 595
 596 /**
 597  * MMCamcorder Sub Context
 598  */
 599 typedef struct {
 600         bool isMaxsizePausing;                  /**< Because of size limit, pipeline is paused. */
 601         bool isMaxtimePausing;                  /**< Because of time limit, pipeline is paused. */
 602         int element_num;                        /**< count of element */
 603         int encode_element_num;                 /**< count of encode element */
 604         int cam_stability_count;                /**< camsensor stability count. the count of frame will drop */
 605         GstClockTime pipeline_time;             /**< current time of Gstreamer Pipeline */
 606         GstClockTime pause_time;                /**< amount of time while pipeline is in PAUSE state.*/
 607         GstClockTime stillshot_time;            /**< pipeline time of capturing moment*/
 608         gboolean is_modified_rate;              /**< whether recording motion rate is modified or not */
 609         gboolean ferror_send;                   /**< file write/seek error **/
 610         guint ferror_count;                     /**< file write/seek error count **/
 611         GstClockTime previous_slot_time;
 612         int display_interval;                   /**< This value is set as 'GST_SECOND / display FPS' */
 613         gboolean bget_eos;                      /**< Whether getting EOS */
 614         gboolean bencbin_capture;               /**< Use Encodebin for capturing */
 615         gboolean audio_disable;                 /**< whether audio is disabled or not when record */
 616         int videosrc_rotate;                    /**< rotate of videosrc */
 617
 618         /* For dropping video frame when start recording */
 619         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. */
 620         int pass_first_vframe;                  /**< When this value is bigger than zero, MSL won't drop video frame though "drop_vframe" is bigger then zero. */
 621
 622         /* INI information */
 623         unsigned int fourcc;                    /**< Get fourcc value of camera INI file */
 624         _MMCamcorderImageInfo *info_image;      /**< extra information for image capture */
 625         _MMCamcorderVideoInfo *info_video;      /**< extra information for video recording */
 626         _MMCamcorderAudioInfo *info_audio;      /**< extra information for audio recording */
 627
 628         _MMCamcorderGstElement *element;        /**< array of preview element */
 629         _MMCamcorderGstElement *encode_element; /**< array of encode element */
 630         _MMCamcorderKPIMeasure kpi;             /**< information related with performance measurement */
 631
 632         type_element *VideosinkElement;         /**< configure data of videosink element */
 633         type_element *VideoconvertElement;      /**< configure data of videoconvert element */
 634         type_element *VideodecoderElementH264;  /**< configure data of video decoder element for H.264 format */
 635         gboolean SensorEncodedCapture;          /**< whether camera sensor support encoded image capture */
 636         gboolean internal_encode;               /**< whether use internal encoding function */
 637 } _MMCamcorderSubContext;
 638
 639 /**
 640   * _MMCamcorderContext
 641   */
 642 typedef struct mmf_camcorder {
 643         /* information */
 644         int type;               /**< mmcamcorder_mode_type */
 645         int device_type;        /**< device type */
 646         int state;              /**< state of camcorder */
 647         int target_state;       /**< Target state that want to set. This is a flag that
 648                                    * stands for async state changing. If this value differ from state,
 649                                    * it means state is changing now asychronously. */
 650
 651         /* handles */
 652         MMHandleType attributes;               /**< Attribute handle */
 653         _MMCamcorderSubContext *sub_context;   /**< sub context */
 654         mm_exif_info_t *exif_info;             /**< EXIF */
 655         GList *buffer_probes;                  /**< a list of buffer probe handle */
 656         GList *event_probes;                   /**< a list of event probe handle */
 657         GList *signals;                        /**< a list of signal handle */
 658 #ifdef _MMCAMCORDER_ENABLE_IDLE_MESSAGE_CALLBACK
 659         GList *msg_data;                       /**< a list of msg data */
 660 #endif /* _MMCAMCORDER_ENABLE_IDLE_MESSAGE_CALLBACK */
 661         camera_conf *conf_main;                /**< Camera configure Main structure */
 662         camera_conf *conf_ctrl;                /**< Camera configure Control structure */
 663         guint pipeline_cb_event_id;            /**< Event source ID of pipeline message callback */
 664         guint encode_pipeline_cb_event_id;     /**< Event source ID of encode pipeline message callback */
 665         guint setting_event_id;                /**< Event source ID of attributes setting to sensor */
 666         SOUND_INFO snd_info;                   /**< Sound handle for multishot capture */
 667
 668         /* callback handlers */
 669         MMMessageCallback msg_cb;                               /**< message callback */
 670         void *msg_cb_param;                                     /**< message callback parameter */
 671         mm_camcorder_video_stream_callback vstream_cb;          /**< Video stream callback */
 672         void *vstream_cb_param;                                 /**< Video stream callback parameter */
 673         mm_camcorder_audio_stream_callback astream_cb;          /**< Audio stream callback */
 674         void *astream_cb_param;                                 /**< Audio stream callback parameter */
 675         mm_camcorder_video_capture_callback vcapture_cb;        /**< Video capture callback */
 676         void *vcapture_cb_param;                                /**< Video capture callback parameter */
 677         int (*command)(MMHandleType, int);                      /**< camcorder's command */
 678
 679         /* etc */
 680         mm_cam_attr_construct_info *cam_attrs_const_info;       /**< attribute info */
 681         conf_info_table* conf_main_info_table[CONFIGURE_CATEGORY_MAIN_NUM]; /** configure info table - MAIN category */
 682         conf_info_table* conf_ctrl_info_table[CONFIGURE_CATEGORY_CTRL_NUM]; /** configure info table - CONTROL category */
 683         int conf_main_category_size[CONFIGURE_CATEGORY_MAIN_NUM]; /** configure info table size - MAIN category */
 684         int conf_ctrl_category_size[CONFIGURE_CATEGORY_CTRL_NUM]; /** configure info table size - CONTROL category */
 685         _MMCamcorderMTSafe mtsafe;                              /**< Thread safe */
 686         int state_change_by_system;                             /**< MSL changes its state by itself because of system */
 687         GMutex restart_preview_lock;                            /**< Capture sound mutex */
 688         int use_zero_copy_format;                               /**< Whether use zero copy format for camera input */
 689         int support_media_packet_preview_cb;                    /**< Whether support zero copy format for camera input */
 690         int shutter_sound_policy;                               /**< shutter sound policy */
 691         int brightness_default;                                 /**< default value of brightness */
 692         int brightness_step_denominator;                        /**< denominator of brightness bias step */
 693         int support_zsl_capture;                                /**< support Zero Shutter Lag capture */
 694         char *model_name;                                       /**< model name from system info */
 695         char *software_version;                                 /**< software_version from system info */
 696         int capture_sound_count;                                /**< count for capture sound */
 697         char *root_directory;                                   /**< Root directory for device */
 698         int resolution_changed;                                 /**< Flag for preview resolution change */
 699         int sound_focus_register;                               /**< Use sound focus internally */
 700         int sound_focus_id;                                     /**< id for sound focus */
 701         int sound_focus_watch_id;                               /**< id for sound focus watch */
 702         int interrupt_code;                                     /**< Interrupt code */
 703         int acquired_focus;                                     /**< Current acquired focus */
 704         int session_type;                                       /**< Session type */
 705         int session_flags;                                      /**< Session flags */
 706         int recreate_decoder;                                   /**< Flag of decoder element recreation for encoded preview format */
 707
 708         _MMCamcorderInfoConverting caminfo_convert[CAMINFO_CONVERT_NUM];        /**< converting structure of camera info */
 709         _MMCamcorderEnumConvert enum_conv[ENUM_CONVERT_NUM];                    /**< enum converting list that is modified by ini info */
 710
 711         gboolean capture_in_recording;                          /**< Flag for capture while recording */
 712
 713         gboolean error_occurs;                                  /**< flag for error */
 714         int error_code;                                         /**< error code for internal gstreamer error */
 715
 716         /* task thread */
 717         GThread *task_thread;                                   /**< thread for task */
 718         GMutex task_thread_lock;                                /**< mutex for task thread */
 719         GCond task_thread_cond;                                 /**< cond for task thread */
 720         _MMCamcorderTaskThreadState task_thread_state;          /**< state of task thread */
 721
 722         /* resource manager for H/W resources */
 723         MMCamcorderResourceManager resource_manager;
 724
 725         /* gdbus */
 726         GDBusConnection *gdbus_conn;                            /**< gdbus connection */
 727         _MMCamcorderGDbusCbInfo gdbus_info_sound;               /**< Informations for the gbus cb of sound play */
 728         _MMCamcorderGDbusCbInfo gdbus_info_solo_sound;          /**< Informations for the gbus cb of solo sound play */
 729
 730         /* DPM(device policy manager) */
 731         dpm_context_h dpm_context;                              /**< DPM context handle */
 732         dpm_restriction_policy_h dpm_policy;                    /**< DPM restriction policy handle */
 733         int dpm_camera_cb_id;                                   /**< DPM camera policy changed callback id */
 734
 735         int reserved[4];                                        /**< reserved */
 736 } mmf_camcorder_t;
 737
 738 /*=======================================================================================
 739 | EXTERN GLOBAL VARIABLE                                                                |
 740 ========================================================================================*/
 741
 742 /*=======================================================================================
 743 | GLOBAL FUNCTION PROTOTYPES                                                            |
 744 ========================================================================================*/
 745 /**
 746  *      This function creates camcorder for capturing still image and recording.
 747  *
 748  *      @param[out]     handle          Specifies the camcorder  handle
 749  *      @param[in]      info            Preset information of camcorder
 750  *      @return         This function returns zero on success, or negative value with error code.
 751  *      @remarks        When this function calls successfully, camcorder  handle will be filled with a @n
 752  *                      valid value and the state of  the camcorder  will become MM_CAMCORDER_STATE_NULL.@n
 753  *                      Note that  it's not ready to working camcorder. @n
 754  *                      You should call mmcamcorder_realize before starting camcorder.
 755  *      @see            _mmcamcorder_create
 756  */
 757 int _mmcamcorder_create(MMHandleType *handle, MMCamPreset *info);
 758
 759 /**
 760  *      This function destroys instance of camcorder.
 761  *
 762  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 763  *      @return         This function returns zero on success, or negative value with error code.
 764  *      @see            _mmcamcorder_create
 765  */
 766 int _mmcamcorder_destroy(MMHandleType hcamcorder);
 767
 768 /**
 769  *      This function allocates memory for camcorder.
 770  *
 771  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 772  *      @return         This function returns zero on success, or negative value with error code.
 773  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_NULL @n
 774  *                      and  the state of the camcorder  will become MM_CAMCORDER_STATE_READY. @n
 775  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 776  *      @see            _mmcamcorder_unrealize
 777  *      @pre            MM_CAMCORDER_STATE_NULL
 778  *      @post           MM_CAMCORDER_STATE_READY
 779  */
 780 int _mmcamcorder_realize(MMHandleType hcamcorder);
 781
 782 /**
 783  *      This function free allocated memory for camcorder.
 784  *
 785  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 786  *      @return         This function returns zero on success, or negative value with error code.
 787  *      @remarks        This function release all resources which are allocated for the camcorder engine.@n
 788  *                      This function can  be called successfully when current state is MM_CAMCORDER_STATE_READY and  @n
 789  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_NULL. @n
 790  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 791  *      @see            _mmcamcorder_realize
 792  *      @pre            MM_CAMCORDER_STATE_READY
 793  *      @post           MM_CAMCORDER_STATE_NULL
 794  */
 795 int _mmcamcorder_unrealize(MMHandleType hcamcorder);
 796
 797 /**
 798  *      This function is to start previewing.
 799  *
 800  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 801  *      @return         This function returns zero on success, or negative value with error code.
 802  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_READY and  @n
 803  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 804  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 805  *      @see            _mmcamcorder_stop
 806  */
 807 int _mmcamcorder_start(MMHandleType hcamcorder);
 808
 809 /**
 810  *      This function is to stop previewing.
 811  *
 812  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 813  *      @return         This function returns zero on success, or negative value with error code.
 814  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_PREPARE and  @n
 815  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_READY.@n
 816  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 817  *      @see            _mmcamcorder_start
 818  */
 819 int _mmcamcorder_stop(MMHandleType hcamcorder);
 820
 821 /**
 822  *      This function to start capturing of still images.
 823  *
 824  *      @param[in]      hcamcorder      Specifies the camcorder  handle.
 825  *      @return         This function returns zero on success, or negative value with error code.
 826  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_PREPARE and @n
 827  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_CAPTURING. @n
 828  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 829  *      @see            _mmcamcorder_capture_stop
 830  */
 831 int _mmcamcorder_capture_start(MMHandleType hcamcorder);
 832
 833 /**
 834  *      This function is to stop capturing still images.
 835  *
 836  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 837  *      @return         This function returns zero on success, or negative value with error code.
 838  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_CAPTURING and @n
 839  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 840  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 841  *      @see            _mmcamcorder_capture_start
 842  */
 843 int _mmcamcorder_capture_stop(MMHandleType hcamcorder);
 844
 845 /**
 846  *      This function is to start  video and audio recording.
 847  *
 848  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 849  *      @return         This function returns zero on success, or negative value with error code.
 850  *      @remarks        This function can  be called successfully when current state is @n
 851  *                      MM_CAMCORDER_STATE_PREPARE or MM_CAMCORDER_STATE_PAUSED and  @n
 852  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_RECORDING.@n
 853  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 854  *      @see            _mmcamcorder_pause
 855  */
 856 int _mmcamcorder_record(MMHandleType hcamcorder);
 857
 858 /**
 859  *      This function is to pause video and audio recording
 860  *
 861  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 862  *      @return         This function returns zero on success, or negative value with error code.
 863  *      @remarks        This function can  be called successfully when current state is MM_CAMCORDER_STATE_RECORDING and  @n
 864  *                      the  state of the camcorder  will become MM_CAMCORDER_STATE_PAUSED.@n
 865  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.@n
 866  *      @see            _mmcamcorder_record
 867  */
 868 int _mmcamcorder_pause(MMHandleType hcamcorder);
 869
 870 /**
 871  *      This function is to stop video and audio  recording and  save results.
 872  *
 873  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 874  *      @return         This function returns zero on success, or negative value with error code.
 875  *      @remarks        This function can  be called successfully when current state is @n
 876  *                      MM_CAMCORDER_STATE_PAUSED or MM_CAMCORDER_STATE_RECORDING and  @n
 877  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 878  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION
 879  *      @see            _mmcamcorder_cancel
 880  */
 881 int _mmcamcorder_commit(MMHandleType hcamcorder);
 882
 883 /**
 884  *      This function is to stop video and audio recording and do not save results.
 885  *
 886  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 887  *      @return         This function returns zero on success, or negative value with error code.
 888  *      @remarks        This function can  be called successfully when current state is @n
 889  *                      MM_CAMCORDER_STATE_PAUSED or MM_CAMCORDER_STATE_RECORDING and  @n
 890  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 891  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 892  *      @see            _mmcamcorder_commit
 893  */
 894 int _mmcamcorder_cancel(MMHandleType hcamcorder);
 895
 896 /**
 897  *      This function calls after commiting action finished asynchronously.
 898  *      In this function, remaining process , such as state change, happens.
 899  *
 900  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 901  *      @return         This function returns zero on success, or negative value with error code.
 902  *      @remarks        This function can  be called successfully when current state is @n
 903  *                      MM_CAMCORDER_STATE_PAUSED or MM_CAMCORDER_STATE_RECORDING and  @n
 904  *                      the state of the camcorder  will become MM_CAMCORDER_STATE_PREPARE. @n
 905  *                      Otherwise, this function will return MM_ERROR_CAMCORDER_INVALID_CONDITION.
 906  *      @see            _mmcamcorder_commit
 907  */
 908 int _mmcamcorder_commit_async_end(MMHandleType hcamcorder);
 909
 910 /**
 911  *      This function is to set callback for receiving messages from camcorder.
 912  *
 913  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 914  *      @param[in]      callback        Specifies the function pointer of callback function
 915  *      @param[in]      user_data       Specifies the user poiner for passing to callback function
 916  *
 917  *      @return         This function returns zero on success, or negative value with error code.
 918  *      @remarks        typedef bool (*mm_message_callback) (int msg, mm_messageType *param, void *user_param);@n
 919  *              @n
 920  *              typedef union                           @n
 921  *              {                                                       @n
 922  *                      int code;                               @n
 923  *                      struct                                  @n
 924  *                      {                                               @n
 925  *                              int total;                      @n
 926  *                              int elapsed;            @n
 927  *                      } time;                                 @n
 928  *                      struct                                  @n
 929  *                      {                                               @n
 930  *                              int previous;           @n
 931  *                              int current;                    @n
 932  *                      } state;                                        @n
 933  *              } mm_message_type;      @n
 934  *                                                                      @n
 935  *              If a  message value for mm_message_callback is MM_MESSAGE_STATE_CHANGED, @n
 936  *              state value in mm_message_type  will be a mmcamcorder_state_type enum value;@n
 937  *              @n
 938  *              If  a message value for mm_message_callback is MM_MESSAGE_ERROR,  @n
 939  *              the code value in mm_message_type will be a mmplayer_error_type enum value;
 940  *
 941  *      @see            mm_message_type,  mmcamcorder_state_type,  mmcamcorder_error_type
 942  */
 943 int _mmcamcorder_set_message_callback(MMHandleType hcamcorder,
 944                                       MMMessageCallback callback,
 945                                       void *user_data);
 946
 947 /**
 948  *      This function is to set callback for video stream.
 949  *
 950  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 951  *      @param[in]      callback        Specifies the function pointer of callback function
 952  *      @param[in]      user_data       Specifies the user poiner for passing to callback function
 953  *
 954  *      @return         This function returns zero on success, or negative value with error code.
 955  *      @see            mmcamcorder_error_type
 956  */
 957 int _mmcamcorder_set_video_stream_callback(MMHandleType hcamcorder,
 958                                            mm_camcorder_video_stream_callback callback,
 959                                            void *user_data);
 960
 961 /**
 962  *      This function is to set callback for audio stream.
 963  *
 964  *      @param[in]      hcamcorder      Specifies the camcorder handle
 965  *      @param[in]      callback        Specifies the function pointer of callback function
 966  *      @param[in]      user_data       Specifies the user poiner for passing to callback function
 967  *
 968  *      @return         This function returns zero on success, or negative value with error code.
 969  *      @see            mmcamcorder_error_type
 970  */
 971 int _mmcamcorder_set_audio_stream_callback(MMHandleType handle,
 972                                            mm_camcorder_audio_stream_callback callback,
 973                                            void *user_data);
 974
 975 /**
 976  *      This function is to set callback for video capture.
 977  *
 978  *      @param[in]      hcamcorder      Specifies the camcorder  handle
 979  *      @param[in]      callback        Specifies the function pointer of callback function
 980  *      @param[in]      user_data       Specifies the user poiner for passing to callback function
 981  *
 982  *      @return         This function returns zero on success, or negative value with error code.
 983  *      @see            mmcamcorder_error_type
 984  */
 985 int _mmcamcorder_set_video_capture_callback(MMHandleType hcamcorder,
 986                                             mm_camcorder_video_capture_callback callback,
 987                                             void *user_data);
 988
 989 /**
 990  *      This function returns current state of camcorder, or negative value with error code.
 991  *
 992  *      @param[in]      hcamcorder      Specifies the camcorder  handle.
 993  *      @return         This function returns current state of camcorder, or negative value with error code.
 994  *      @see            mmcamcorder_state_type
 995  */
 996 int _mmcamcorder_get_current_state(MMHandleType hcamcorder);
 997
 998 int _mmcamcorder_init_focusing(MMHandleType handle);
 999 int _mmcamcorder_adjust_focus(MMHandleType handle, int direction);
1000 int _mmcamcorder_adjust_manual_focus(MMHandleType handle, int direction);
1001 int _mmcamcorder_adjust_auto_focus(MMHandleType handle);
1002 int _mmcamcorder_stop_focusing(MMHandleType handle);
1003
1004 /**
1005  * This function gets current state of camcorder.
1006  *
1007  * @param       void
1008  * @return      This function returns state of current camcorder context
1009  * @remarks
1010  * @see         _mmcamcorder_set_state()
1011  *
1012  */
1013 int _mmcamcorder_streamer_init(void);
1014
1015 /**
1016  * This function gets current state of camcorder.
1017  *
1018  * @param       void
1019  * @return      This function returns state of current camcorder context
1020  * @remarks
1021  * @see         _mmcamcorder_set_state()
1022  *
1023  */
1024 int _mmcamcorder_display_init(void);
1025
1026 /**
1027  * This function gets current state of camcorder.
1028  *
1029  * @param[in]   handle          Handle of camcorder context.
1030  * @return      This function returns state of current camcorder context
1031  * @remarks
1032  * @see         _mmcamcorder_set_state()
1033  *
1034  */
1035 int _mmcamcorder_get_state(MMHandleType handle);
1036
1037 /**
1038  * This function sets new state of camcorder.
1039  *
1040  * @param[in]   handle          Handle of camcorder context.
1041  * @param[in]   state           setting state value of camcorder.
1042  * @return      void
1043  * @remarks
1044  * @see         _mmcamcorder_get_state()
1045  *
1046  */
1047 void _mmcamcorder_set_state(MMHandleType handle, int state);
1048
1049 /**
1050  * This function gets asynchronous status of MSL Camcroder.
1051  *
1052  * @param[in]   handle          Handle of camcorder context.
1053  * @param[in]   target_state    setting target_state value of camcorder.
1054  * @return      This function returns asynchrnous state.
1055  * @remarks
1056  * @see         _mmcamcorder_set_async_state()
1057  *
1058  */
1059 int _mmcamcorder_get_async_state(MMHandleType handle);
1060
1061 /**
1062  * This function allocates structure of subsidiary attributes.
1063  *
1064  * @param[in]   type            Allocation type of camcorder context.
1065  * @return      This function returns structure pointer on success, NULL value on failure.
1066  * @remarks
1067  * @see         _mmcamcorder_dealloc_subcontext()
1068  *
1069  */
1070 _MMCamcorderSubContext *_mmcamcorder_alloc_subcontext(int type);
1071
1072 /**
1073  * This function releases structure of subsidiary attributes.
1074  *
1075  * @param[in]   sc              Handle of camcorder subcontext.
1076  * @return      void
1077  * @remarks
1078  * @see         _mmcamcorder_alloc_subcontext()
1079  *
1080  */
1081 void _mmcamcorder_dealloc_subcontext(_MMCamcorderSubContext *sc);
1082
1083 /**
1084  * This function sets command function according to the type.
1085  *
1086  * @param[in]   handle          Handle of camcorder context.
1087  * @param[in]   type            Allocation type of camcorder context.
1088  * @return      This function returns MM_ERROR_NONE on success, or other values with error code.
1089  * @remarks
1090  * @see         __mmcamcorder_video_command(), __mmcamcorder_audio_command(), __mmcamcorder_image_command()
1091  *
1092  */
1093 int _mmcamcorder_set_functions(MMHandleType handle, int type);
1094
1095 /**
1096  * This function is callback function of main pipeline.
1097  * Once this function is registered with certain pipeline using gst_bus_add_watch(),
1098  * this callback will be called every time when there is upcomming message from pipeline.
1099  * Basically, this function is used as error handling function, now.
1100  *
1101  * @param[in]   bus             pointer of buf that called this function.
1102  * @param[in]   message         callback message from pipeline.
1103  * @param[in]   data            user data.
1104  * @return      This function returns true on success, or false value with error
1105  * @remarks
1106  * @see         __mmcamcorder_create_preview_pipeline()
1107  *
1108  */
1109 gboolean _mmcamcorder_pipeline_cb_message(GstBus *bus, GstMessage *message, gpointer data);
1110
1111 /**
1112  * This function is callback function of main pipeline.
1113  * Once this function is registered with certain pipeline using gst_bus_set_sync_handler(),
1114  * this callback will be called every time when there is upcomming message from pipeline.
1115  * Basically, this function is used as sync error handling function, now.
1116  *
1117  * @param[in]   bus             pointer of buf that called this function.
1118  * @param[in]   message         callback message from pipeline.
1119  * @param[in]   data            user data.
1120  * @return      This function returns true on success, or false value with error
1121  * @remarks
1122  * @see         __mmcamcorder_create_preview_pipeline()
1123  *
1124  */
1125 GstBusSyncReply _mmcamcorder_pipeline_bus_sync_callback(GstBus *bus, GstMessage *message, gpointer data);
1126
1127 /**
1128  * This function is callback function of main pipeline.
1129  * Once this function is registered with certain pipeline using gst_bus_set_sync_handler(),
1130  * this callback will be called every time when there is upcomming message from pipeline.
1131  * Basically, this function is used as sync error handling function, now.
1132  *
1133  * @param[in]   bus             pointer of buf that called this function.
1134  * @param[in]   message         callback message from pipeline.
1135  * @param[in]   data            user data.
1136  * @return      This function returns true on success, or false value with error
1137  * @remarks
1138  * @see         __mmcamcorder_create_audiop_with_encodebin()
1139  *
1140  */
1141 GstBusSyncReply _mmcamcorder_audio_pipeline_bus_sync_callback(GstBus *bus, GstMessage *message, gpointer data);
1142
1143
1144 /**
1145  * This function create main pipeline according to type.
1146  *
1147  * @param[in]   handle          Handle of camcorder context.
1148  * @param[in]   type            Allocation type of camcorder context.
1149  * @return      This function returns zero on success, or negative value with error code.
1150  * @remarks
1151  * @see         _mmcamcorder_destroy_pipeline()
1152  *
1153  */
1154 int _mmcamcorder_create_pipeline(MMHandleType handle, int type);
1155
1156 /**
1157  * This function release all element of main pipeline according to type.
1158  *
1159  * @param[in]   handle          Handle of camcorder context.
1160  * @param[in]   type            Allocation type of camcorder context.
1161  * @return      void
1162  * @remarks
1163  * @see         _mmcamcorder_create_pipeline()
1164  *
1165  */
1166 void _mmcamcorder_destroy_pipeline(MMHandleType handle, int type);
1167
1168 /**
1169  * This function sets gstreamer element status.
1170  * If the gstreamer fails to set status or returns asynchronous mode,
1171  * this function waits for state changed until timeout expired.
1172  *
1173  * @param[in]   pipeline        Pointer of pipeline
1174  * @param[in]   target_state    newly setting status
1175  * @return      This function returns zero on success, or negative value with error code.
1176  * @remarks
1177  * @see
1178  *
1179  */
1180 int _mmcamcorder_gst_set_state(MMHandleType handle, GstElement *pipeline, GstState target_state);
1181
1182 /**
1183  * This function sets gstreamer element status, asynchronously.
1184  * Regardless of processing, it returns immediately.
1185  *
1186  * @param[in]   pipeline        Pointer of pipeline
1187  * @param[in]   target_state    newly setting status
1188  * @return      This function returns zero on success, or negative value with error code.
1189  * @remarks
1190  * @see
1191  *
1192  */
1193 int _mmcamcorder_gst_set_state_async(MMHandleType handle, GstElement *pipeline, GstState target_state);
1194
1195 /* For xvimagesink */
1196 GstBusSyncReply __mmcamcorder_sync_callback(GstBus *bus, GstMessage *message, gulong data);
1197
1198 /* For querying capabilities */
1199 int _mmcamcorder_read_vidsrc_info(int videodevidx, camera_conf **configure_info);
1200
1201 /* for performance check */
1202 void _mmcamcorder_video_current_framerate_init(MMHandleType handle);
1203 int _mmcamcorder_video_current_framerate(MMHandleType handle);
1204 int _mmcamcorder_video_average_framerate(MMHandleType handle);
1205
1206 /* sound focus related function */
1207 void __mmcamcorder_force_stop(mmf_camcorder_t *hcamcorder);
1208 void _mmcamcorder_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
1209                                  mm_sound_focus_state_e focus_state, const char *reason_for_change,
1210                                  const char *additional_info, void *user_data);
1211 void _mmcamcorder_sound_focus_watch_cb(mm_sound_focus_type_e focus_type, mm_sound_focus_state_e focus_state,
1212                                        const char *reason_for_change, const char *additional_info, void *user_data);
1213
1214 /* device policy manager */
1215 void _mmcamcorder_dpm_camera_policy_changed_cb(const char *name, const char *value, void *user_data);
1216
1217 /* For hand over the server's caps information to client */
1218 int _mmcamcorder_get_video_caps(MMHandleType handle, char **caps);
1219
1220 #ifdef __cplusplus
1221 }
1222 #endif
1223
1224 #endif /* __MM_CAMCORDER_INTERNAL_H__ */