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, tdm_debug_dump_dir, 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, double 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         if (!(private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)) {
 168                 TDM_ERR("no output capture capability");
 169                 if (error)
 170                         *error = TDM_ERROR_NO_CAPABILITY;
 171                 return NULL;
 172         }
 173
 174         capture_backend = func_output->output_create_capture(
 175                                                   private_output->output_backend, &ret);
 176         if (ret != TDM_ERROR_NONE) {
 177                 if (error)
 178                         *error = ret;
 179                 return NULL;
 180         }
 181
 182         private_capture = calloc(1, sizeof(tdm_private_capture));
 183         if (!private_capture) {
 184                 TDM_ERR("failed: alloc memory");
 185                 func_capture->capture_destroy(capture_backend);
 186                 if (error)
 187                         *error = TDM_ERROR_OUT_OF_MEMORY;
 188                 return NULL;
 189         }
 190
 191         ret = func_capture->capture_set_done_handler(capture_backend,
 192                         tdm_capture_cb_done, private_capture);
 193         if (ret != TDM_ERROR_NONE) {
 194                 TDM_ERR("capture(%p) set capture_done_handler failed", private_capture);
 195                 func_capture->capture_destroy(capture_backend);
 196                 if (error)
 197                         *error = ret;
 198                 return NULL;
 199         }
 200
 201         private_capture->stamp = tdm_helper_get_time();
 202         while (tdm_capture_find_stamp(private_display, private_capture->stamp))
 203                 private_capture->stamp++;
 204
 205         LIST_ADD(&private_capture->link, &private_output->capture_list);
 206         LIST_ADD(&private_capture->display_link, &private_display->capture_list);
 207
 208         private_capture->target = TDM_CAPTURE_TARGET_OUTPUT;
 209         private_capture->private_display = private_display;
 210         private_capture->private_output = private_output;
 211         private_capture->private_layer = NULL;
 212         private_capture->capture_backend = capture_backend;
 213         private_capture->owner_tid = syscall(SYS_gettid);
 214
 215         LIST_INITHEAD(&private_capture->pending_buffer_list);
 216         LIST_INITHEAD(&private_capture->buffer_list);
 217
 218         if (error)
 219                 *error = TDM_ERROR_NONE;
 220
 221         return private_capture;
 222 }
 223
 224 INTERN tdm_private_capture *
 225 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 226                                                                   tdm_error *error)
 227 {
 228         tdm_private_output *private_output = private_layer->private_output;
 229         tdm_private_display *private_display = private_output->private_display;
 230         tdm_func_layer *func_layer = &private_display->func_layer;
 231         tdm_func_capture *func_capture = &private_display->func_capture;
 232         tdm_private_capture *private_capture = NULL;
 233         tdm_capture *capture_backend = NULL;
 234         tdm_error ret = TDM_ERROR_NONE;
 235
 236         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 237
 238         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
 239                 TDM_ERR("no capture capability");
 240                 if (error)
 241                         *error = TDM_ERROR_NO_CAPABILITY;
 242                 return NULL;
 243         }
 244
 245         if (!(private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)) {
 246                 TDM_ERR("no layer capture capability");
 247                 if (error)
 248                         *error = TDM_ERROR_NO_CAPABILITY;
 249                 return NULL;
 250         }
 251
 252         capture_backend = func_layer->layer_create_capture(private_layer->layer_backend,
 253                                           &ret);
 254         if (ret != TDM_ERROR_NONE)
 255                 return NULL;
 256
 257         private_capture = calloc(1, sizeof(tdm_private_capture));
 258         if (!private_capture) {
 259                 TDM_ERR("failed: alloc memory");
 260                 func_capture->capture_destroy(capture_backend);
 261                 if (error)
 262                         *error = TDM_ERROR_OUT_OF_MEMORY;
 263                 return NULL;
 264         }
 265
 266         private_capture->stamp = tdm_helper_get_time();
 267         while (tdm_capture_find_stamp(private_display, private_capture->stamp))
 268                 private_capture->stamp++;
 269
 270         LIST_ADD(&private_capture->link, &private_layer->capture_list);
 271         LIST_ADD(&private_capture->display_link, &private_display->capture_list);
 272
 273         private_capture->target = TDM_CAPTURE_TARGET_LAYER;
 274         private_capture->private_display = private_display;
 275         private_capture->private_output = private_output;
 276         private_capture->private_layer = private_layer;
 277         private_capture->capture_backend = capture_backend;
 278         private_capture->owner_tid = syscall(SYS_gettid);
 279
 280         LIST_INITHEAD(&private_capture->pending_buffer_list);
 281         LIST_INITHEAD(&private_capture->buffer_list);
 282
 283         if (error)
 284                 *error = TDM_ERROR_NONE;
 285
 286         return private_capture;
 287 }
 288
 289 INTERN void
 290 tdm_capture_destroy_internal(tdm_private_capture *private_capture)
 291 {
 292         tdm_private_display *private_display;
 293         tdm_func_capture *func_capture;
 294         tdm_buffer_info *b = NULL, *bb = NULL;
 295
 296         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 297
 298         if (!private_capture)
 299                 return;
 300
 301         private_display = private_capture->private_display;
 302
 303         LIST_DEL(&private_capture->link);
 304         LIST_DEL(&private_capture->display_link);
 305
 306         func_capture = &private_capture->private_display->func_capture;
 307         func_capture->capture_destroy(private_capture->capture_backend);
 308
 309         if (!LIST_IS_EMPTY(&private_capture->pending_buffer_list)) {
 310                 TDM_WRN("capture(%p) not finished:", private_capture);
 311                 tdm_buffer_list_dump(&private_capture->pending_buffer_list);
 312
 313                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link) {
 314                         LIST_DEL(&b->link);
 315                         _pthread_mutex_unlock(&private_display->lock);
 316                         tdm_buffer_unref_backend(b->buffer);
 317                         _pthread_mutex_lock(&private_display->lock);
 318                 }
 319         }
 320
 321         if (!LIST_IS_EMPTY(&private_capture->buffer_list)) {
 322                 TDM_WRN("capture(%p) not finished:", private_capture);
 323                 tdm_buffer_list_dump(&private_capture->buffer_list);
 324
 325                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->buffer_list, link) {
 326                         LIST_DEL(&b->link);
 327                         _pthread_mutex_unlock(&private_display->lock);
 328                         tdm_buffer_unref_backend(b->buffer);
 329                         _pthread_mutex_lock(&private_display->lock);
 330                 }
 331         }
 332
 333         private_capture->stamp = 0;
 334         free(private_capture);
 335 }
 336
 337 EXTERN void
 338 tdm_capture_destroy(tdm_capture *capture)
 339 {
 340         tdm_private_capture *private_capture = capture;
 341         tdm_private_display *private_display;
 342
 343         if (!private_capture)
 344                 return;
 345
 346         private_display = private_capture->private_display;
 347
 348         _pthread_mutex_lock(&private_display->lock);
 349         tdm_capture_destroy_internal(private_capture);
 350         _pthread_mutex_unlock(&private_display->lock);
 351 }
 352
 353 EXTERN tdm_error
 354 tdm_capture_set_info(tdm_capture *capture, tdm_info_capture *info)
 355 {
 356         CAPTURE_FUNC_ENTRY();
 357
 358         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 359
 360         _pthread_mutex_lock(&private_display->lock);
 361
 362         if (!func_capture->capture_set_info) {
 363                 _pthread_mutex_unlock(&private_display->lock);
 364                 TDM_DBG("failed: not implemented!!");
 365                 return TDM_ERROR_NOT_IMPLEMENTED;
 366         }
 367
 368         ret = func_capture->capture_set_info(private_capture->capture_backend, info);
 369         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 370
 371         private_capture->info = *info;
 372
 373         _pthread_mutex_unlock(&private_display->lock);
 374
 375         return ret;
 376 }
 377
 378 EXTERN tdm_error
 379 tdm_capture_set_done_handler(tdm_capture *capture, tdm_capture_done_handler func, void *user_data)
 380 {
 381         tdm_private_display *private_display;
 382         tdm_private_capture *private_capture;
 383         tdm_error ret = TDM_ERROR_NONE;
 384
 385         TDM_RETURN_VAL_IF_FAIL(capture != NULL, TDM_ERROR_INVALID_PARAMETER);
 386
 387         private_capture = (tdm_private_capture*)capture;
 388         private_display = private_capture->private_display;
 389
 390         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 391
 392         _pthread_mutex_lock(&private_display->lock);
 393
 394         private_capture->done_func = func;
 395         private_capture->done_user_data = user_data;
 396
 397         _pthread_mutex_unlock(&private_display->lock);
 398
 399         return ret;
 400 }
 401
 402 EXTERN tdm_error
 403 tdm_capture_attach(tdm_capture *capture, tbm_surface_h buffer)
 404 {
 405         CAPTURE_FUNC_ENTRY();
 406
 407         TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 408
 409         _pthread_mutex_lock(&private_display->lock);
 410
 411         if (!func_capture->capture_attach) {
 412                 _pthread_mutex_unlock(&private_display->lock);
 413                 TDM_DBG("failed: not implemented!!");
 414                 return TDM_ERROR_NOT_IMPLEMENTED;
 415         }
 416
 417         ret = _tdm_capture_check_if_exist(private_capture, buffer);
 418         if (ret != TDM_ERROR_NONE) {
 419                 _pthread_mutex_unlock(&private_display->lock);
 420                 return ret;
 421         }
 422
 423         ret = func_capture->capture_attach(private_capture->capture_backend, buffer);
 424         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 425
 426         if (ret == TDM_ERROR_NONE) {
 427                 tdm_buffer_info *buf_info;
 428
 429                 if ((buf_info = tdm_buffer_get_info(buffer)))
 430                         LIST_ADDTAIL(&buf_info->link, &private_capture->pending_buffer_list);
 431
 432                 if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 433                         TDM_INFO("capture(%p) attached:", private_capture);
 434                         tdm_buffer_list_dump(&private_capture->buffer_list);
 435                 }
 436         }
 437
 438         _pthread_mutex_unlock(&private_display->lock);
 439
 440         return ret;
 441 }
 442
 443 EXTERN tdm_error
 444 tdm_capture_commit(tdm_capture *capture)
 445 {
 446         tdm_buffer_info *b = NULL, *bb = NULL;
 447         tdm_private_output *private_output;
 448
 449         CAPTURE_FUNC_ENTRY();
 450
 451         _pthread_mutex_lock(&private_display->lock);
 452
 453         private_output = private_capture->private_output;
 454         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 455                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
 456                                 tdm_dpms_str(private_output->current_dpms_value));
 457                 _pthread_mutex_unlock(&private_display->lock);
 458                 return TDM_ERROR_BAD_REQUEST;
 459         }
 460
 461         if (!func_capture->capture_commit) {
 462                 _pthread_mutex_unlock(&private_display->lock);
 463                 TDM_DBG("failed: not implemented!!");
 464                 return TDM_ERROR_NOT_IMPLEMENTED;
 465         }
 466
 467         ret = func_capture->capture_commit(private_capture->capture_backend);
 468         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 469
 470         if (ret == TDM_ERROR_NONE) {
 471                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link) {
 472                         LIST_DEL(&b->link);
 473                         tdm_buffer_ref_backend(b->buffer);
 474                         LIST_ADDTAIL(&b->link, &private_capture->buffer_list);
 475                 }
 476         } else {
 477                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link)
 478                         LIST_DEL(&b->link);
 479         }
 480
 481         _pthread_mutex_unlock(&private_display->lock);
 482
 483         return ret;
 484 }