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