src/tdm_capture.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm.h"
  41 #include "tdm_backend.h"
  42 #include "tdm_private.h"
  43 #include "tdm_helper.h"
  44
  45 #define CAPTURE_FUNC_ENTRY() \
  46         tdm_func_capture *func_capture; \
  47         tdm_private_display *private_display; \
  48         tdm_private_capture *private_capture; \
  49         tdm_error ret = TDM_ERROR_NONE; \
  50         TDM_RETURN_VAL_IF_FAIL(capture != NULL, TDM_ERROR_INVALID_PARAMETER); \
  51         private_capture = (tdm_private_capture*)capture; \
  52         private_display = private_capture->private_display; \
  53         func_capture = &private_display->func_capture
  54
  55 static tdm_error
  56 _tdm_capture_check_if_exist(tdm_private_capture *private_capture,
  57                                                         tbm_surface_h buffer)
  58 {
  59         tdm_buffer_info *buf_info = NULL;
  60
  61         LIST_FOR_EACH_ENTRY(buf_info, &private_capture->buffer_list, link) {
  62                 if (buf_info->buffer == buffer) {
  63                         TDM_ERR("%p attached twice", buffer);
  64                         return TDM_ERROR_BAD_REQUEST;
  65                 }
  66         }
  67
  68         LIST_FOR_EACH_ENTRY(buf_info, &private_capture->pending_buffer_list, link) {
  69                 if (buf_info->buffer == buffer) {
  70                         TDM_ERR("%p attached twice", buffer);
  71                         return TDM_ERROR_BAD_REQUEST;
  72                 }
  73         }
  74
  75         return TDM_ERROR_NONE;
  76 }
  77
  78 INTERN void
  79 tdm_capture_cb_done(tdm_capture *capture_backend, tbm_surface_h buffer,
  80                                         void *user_data)
  81 {
  82         tdm_private_capture *private_capture = user_data;
  83         tdm_private_display *private_display = private_capture->private_display;
  84         tdm_buffer_info *buf_info;
  85         tbm_surface_h first_entry;
  86
  87         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
  88
  89         if (private_capture->owner_tid != syscall(SYS_gettid)) {
  90                 tdm_thread_cb_capture_done capture_done;
  91                 tdm_error ret;
  92
  93                 capture_done.base.type = TDM_THREAD_CB_PP_DONE;
  94                 capture_done.base.length = sizeof capture_done;
  95                 capture_done.capture_stamp = private_capture->stamp;
  96                 capture_done.buffer = buffer;
  97                 capture_done.user_data = user_data;
  98
  99                 ret = tdm_thread_send_cb(private_display->private_loop, &capture_done.base);
 100                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 101
 102                 return;
 103         }
 104
 105         if (private_capture->owner_tid != syscall(SYS_gettid))
 106                 TDM_NEVER_GET_HERE();
 107
 108         if (tdm_debug_dump & TDM_DUMP_FLAG_CAPTURE) {
 109                 char str[TDM_PATH_LEN];
 110                 static int i;
 111                 snprintf(str, TDM_PATH_LEN, "capture_%03d", i++);
 112                 tdm_helper_dump_buffer_str(buffer, str);
 113         }
 114
 115         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 116                 TDM_INFO("capture(%p) done: %p", private_capture, buffer);
 117
 118         first_entry = tdm_buffer_list_get_first_entry(&private_capture->buffer_list);
 119         if (first_entry != buffer)
 120                 TDM_ERR("%p is skipped", first_entry);
 121
 122         if ((buf_info = tdm_buffer_get_info(buffer)))
 123                 LIST_DEL(&buf_info->link);
 124
 125         _pthread_mutex_unlock(&private_display->lock);
 126         if (private_capture->done_func)
 127                 private_capture->done_func(private_capture, buffer, private_capture->done_user_data);
 128         tdm_buffer_unref_backend(buffer);
 129         _pthread_mutex_lock(&private_display->lock);
 130 }
 131
 132 INTERN tdm_private_capture *
 133 tdm_capture_find_stamp(tdm_private_display *private_display, unsigned long stamp)
 134 {
 135         tdm_private_capture *private_capture = NULL;
 136
 137         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 138
 139         LIST_FOR_EACH_ENTRY(private_capture, &private_display->capture_list, link) {
 140                 if (private_capture->stamp == stamp)
 141                         return private_capture;
 142         }
 143
 144         return NULL;
 145 }
 146
 147 INTERN tdm_private_capture *
 148 tdm_capture_create_output_internal(tdm_private_output *private_output,
 149                                                                    tdm_error *error)
 150 {
 151         tdm_private_display *private_display = private_output->private_display;
 152         tdm_func_output *func_output = &private_display->func_output;
 153         tdm_func_capture *func_capture = &private_display->func_capture;
 154         tdm_private_capture *private_capture = NULL;
 155         tdm_capture *capture_backend = NULL;
 156         tdm_error ret = TDM_ERROR_NONE;
 157
 158         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 159
 160         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
 161                 TDM_ERR("no capture capability");
 162                 if (error)
 163                         *error = TDM_ERROR_NO_CAPABILITY;
 164                 return NULL;
 165         }
 166
 167         capture_backend = func_output->output_create_capture(
 168                                                   private_output->output_backend, &ret);
 169         if (ret != TDM_ERROR_NONE) {
 170                 if (error)
 171                         *error = ret;
 172                 return NULL;
 173         }
 174
 175         private_capture = calloc(1, sizeof(tdm_private_capture));
 176         if (!private_capture) {
 177                 TDM_ERR("failed: alloc memory");
 178                 func_capture->capture_destroy(capture_backend);
 179                 if (error)
 180                         *error = TDM_ERROR_OUT_OF_MEMORY;
 181                 return NULL;
 182         }
 183
 184         ret = func_capture->capture_set_done_handler(capture_backend,
 185                         tdm_capture_cb_done, private_capture);
 186         if (ret != TDM_ERROR_NONE) {
 187                 TDM_ERR("capture(%p) set capture_done_handler failed", private_capture);
 188                 func_capture->capture_destroy(capture_backend);
 189                 if (error)
 190                         *error = ret;
 191                 return NULL;
 192         }
 193
 194         private_capture->stamp = tdm_helper_get_time_in_millis();
 195         while (tdm_capture_find_stamp(private_display, private_capture->stamp))
 196                 private_capture->stamp++;
 197
 198         LIST_ADD(&private_capture->link, &private_output->capture_list);
 199         LIST_ADD(&private_capture->display_link, &private_display->capture_list);
 200
 201         private_capture->target = TDM_CAPTURE_TARGET_OUTPUT;
 202         private_capture->private_display = private_display;
 203         private_capture->private_output = private_output;
 204         private_capture->private_layer = NULL;
 205         private_capture->capture_backend = capture_backend;
 206         private_capture->owner_tid = syscall(SYS_gettid);
 207
 208         LIST_INITHEAD(&private_capture->pending_buffer_list);
 209         LIST_INITHEAD(&private_capture->buffer_list);
 210
 211         if (error)
 212                 *error = TDM_ERROR_NONE;
 213
 214         return private_capture;
 215 }
 216
 217 INTERN tdm_private_capture *
 218 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 219                                                                   tdm_error *error)
 220 {
 221         tdm_private_output *private_output = private_layer->private_output;
 222         tdm_private_display *private_display = private_output->private_display;
 223         tdm_func_layer *func_layer = &private_display->func_layer;
 224         tdm_func_capture *func_capture = &private_display->func_capture;
 225         tdm_private_capture *private_capture = NULL;
 226         tdm_capture *capture_backend = NULL;
 227         tdm_error ret = TDM_ERROR_NONE;
 228
 229         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 230
 231         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
 232                 TDM_ERR("no capture capability");
 233                 if (error)
 234                         *error = TDM_ERROR_NO_CAPABILITY;
 235                 return NULL;
 236         }
 237
 238         capture_backend = func_layer->layer_create_capture(private_layer->layer_backend,
 239                                           &ret);
 240         if (ret != TDM_ERROR_NONE)
 241                 return NULL;
 242
 243         private_capture = calloc(1, sizeof(tdm_private_capture));
 244         if (!private_capture) {
 245                 TDM_ERR("failed: alloc memory");
 246                 func_capture->capture_destroy(capture_backend);
 247                 if (error)
 248                         *error = TDM_ERROR_OUT_OF_MEMORY;
 249                 return NULL;
 250         }
 251
 252         private_capture->stamp = tdm_helper_get_time_in_millis();
 253         while (tdm_capture_find_stamp(private_display, private_capture->stamp))
 254                 private_capture->stamp++;
 255
 256         LIST_ADD(&private_capture->link, &private_layer->capture_list);
 257         LIST_ADD(&private_capture->display_link, &private_display->capture_list);
 258
 259         private_capture->target = TDM_CAPTURE_TARGET_LAYER;
 260         private_capture->private_display = private_display;
 261         private_capture->private_output = private_output;
 262         private_capture->private_layer = private_layer;
 263         private_capture->capture_backend = capture_backend;
 264         private_capture->owner_tid = syscall(SYS_gettid);
 265
 266         LIST_INITHEAD(&private_capture->pending_buffer_list);
 267         LIST_INITHEAD(&private_capture->buffer_list);
 268
 269         if (error)
 270                 *error = TDM_ERROR_NONE;
 271
 272         return private_capture;
 273 }
 274
 275 INTERN void
 276 tdm_capture_destroy_internal(tdm_private_capture *private_capture)
 277 {
 278         tdm_private_display *private_display;
 279         tdm_func_capture *func_capture;
 280         tdm_buffer_info *b = NULL, *bb = NULL;
 281
 282         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 283
 284         if (!private_capture)
 285                 return;
 286
 287         private_display = private_capture->private_display;
 288
 289         LIST_DEL(&private_capture->link);
 290         LIST_DEL(&private_capture->display_link);
 291
 292         func_capture = &private_capture->private_display->func_capture;
 293         func_capture->capture_destroy(private_capture->capture_backend);
 294
 295         if (!LIST_IS_EMPTY(&private_capture->pending_buffer_list)) {
 296                 TDM_WRN("capture(%p) not finished:", private_capture);
 297                 tdm_buffer_list_dump(&private_capture->pending_buffer_list);
 298
 299                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link) {
 300                         LIST_DEL(&b->link);
 301                         _pthread_mutex_unlock(&private_display->lock);
 302                         tdm_buffer_unref_backend(b->buffer);
 303                         _pthread_mutex_lock(&private_display->lock);
 304                 }
 305         }
 306
 307         if (!LIST_IS_EMPTY(&private_capture->buffer_list)) {
 308                 TDM_WRN("capture(%p) not finished:", private_capture);
 309                 tdm_buffer_list_dump(&private_capture->buffer_list);
 310
 311                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->buffer_list, link) {
 312                         LIST_DEL(&b->link);
 313                         _pthread_mutex_unlock(&private_display->lock);
 314                         tdm_buffer_unref_backend(b->buffer);
 315                         _pthread_mutex_lock(&private_display->lock);
 316                 }
 317         }
 318
 319         private_capture->stamp = 0;
 320         free(private_capture);
 321 }
 322
 323 EXTERN void
 324 tdm_capture_destroy(tdm_capture *capture)
 325 {
 326         tdm_private_capture *private_capture = capture;
 327         tdm_private_display *private_display;
 328
 329         if (!private_capture)
 330                 return;
 331
 332         private_display = private_capture->private_display;
 333
 334         _pthread_mutex_lock(&private_display->lock);
 335         tdm_capture_destroy_internal(private_capture);
 336         _pthread_mutex_unlock(&private_display->lock);
 337 }
 338
 339 EXTERN tdm_error
 340 tdm_capture_set_info(tdm_capture *capture, tdm_info_capture *info)
 341 {
 342         CAPTURE_FUNC_ENTRY();
 343
 344         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 345
 346         _pthread_mutex_lock(&private_display->lock);
 347
 348         if (!func_capture->capture_set_info) {
 349                 _pthread_mutex_unlock(&private_display->lock);
 350                 TDM_DBG("failed: not implemented!!");
 351                 return TDM_ERROR_NOT_IMPLEMENTED;
 352         }
 353
 354         ret = func_capture->capture_set_info(private_capture->capture_backend, info);
 355         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 356
 357         private_capture->info = *info;
 358
 359         _pthread_mutex_unlock(&private_display->lock);
 360
 361         return ret;
 362 }
 363
 364 EXTERN tdm_error
 365 tdm_capture_set_done_handler(tdm_capture *capture, tdm_capture_done_handler func, void *user_data)
 366 {
 367         tdm_private_display *private_display;
 368         tdm_private_capture *private_capture;
 369         tdm_error ret = TDM_ERROR_NONE;
 370
 371         TDM_RETURN_VAL_IF_FAIL(capture != NULL, TDM_ERROR_INVALID_PARAMETER);
 372
 373         private_capture = (tdm_private_capture*)capture;
 374         private_display = private_capture->private_display;
 375
 376         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 377
 378         _pthread_mutex_lock(&private_display->lock);
 379
 380         private_capture->done_func = func;
 381         private_capture->done_user_data = user_data;
 382
 383         _pthread_mutex_unlock(&private_display->lock);
 384
 385         return ret;
 386 }
 387
 388 EXTERN tdm_error
 389 tdm_capture_attach(tdm_capture *capture, tbm_surface_h buffer)
 390 {
 391         CAPTURE_FUNC_ENTRY();
 392
 393         TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 394
 395         _pthread_mutex_lock(&private_display->lock);
 396
 397         if (!func_capture->capture_attach) {
 398                 _pthread_mutex_unlock(&private_display->lock);
 399                 TDM_DBG("failed: not implemented!!");
 400                 return TDM_ERROR_NOT_IMPLEMENTED;
 401         }
 402
 403         ret = _tdm_capture_check_if_exist(private_capture, buffer);
 404         if (ret != TDM_ERROR_NONE) {
 405                 _pthread_mutex_unlock(&private_display->lock);
 406                 return ret;
 407         }
 408
 409         ret = func_capture->capture_attach(private_capture->capture_backend, buffer);
 410         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 411
 412         if (ret == TDM_ERROR_NONE) {
 413                 tdm_buffer_info *buf_info;
 414
 415                 if ((buf_info = tdm_buffer_get_info(buffer)))
 416                         LIST_ADDTAIL(&buf_info->link, &private_capture->pending_buffer_list);
 417
 418                 if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 419                         TDM_INFO("capture(%p) attached:", private_capture);
 420                         tdm_buffer_list_dump(&private_capture->buffer_list);
 421                 }
 422         }
 423
 424         _pthread_mutex_unlock(&private_display->lock);
 425
 426         return ret;
 427 }
 428
 429 EXTERN tdm_error
 430 tdm_capture_commit(tdm_capture *capture)
 431 {
 432         tdm_buffer_info *b = NULL, *bb = NULL;
 433         tdm_private_output *private_output;
 434
 435         CAPTURE_FUNC_ENTRY();
 436
 437         _pthread_mutex_lock(&private_display->lock);
 438
 439         private_output = private_capture->private_output;
 440         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 441                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
 442                                 tdm_dpms_str(private_output->current_dpms_value));
 443                 _pthread_mutex_unlock(&private_display->lock);
 444                 return TDM_ERROR_BAD_REQUEST;
 445         }
 446
 447         if (!func_capture->capture_commit) {
 448                 _pthread_mutex_unlock(&private_display->lock);
 449                 TDM_DBG("failed: not implemented!!");
 450                 return TDM_ERROR_NOT_IMPLEMENTED;
 451         }
 452
 453         ret = func_capture->capture_commit(private_capture->capture_backend);
 454         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 455
 456         if (ret == TDM_ERROR_NONE) {
 457                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link) {
 458                         LIST_DEL(&b->link);
 459                         tdm_buffer_ref_backend(b->buffer);
 460                         LIST_ADDTAIL(&b->link, &private_capture->buffer_list);
 461                 }
 462         } else {
 463                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link)
 464                         LIST_DEL(&b->link);
 465         }
 466
 467         _pthread_mutex_unlock(&private_display->lock);
 468
 469         return ret;
 470 }