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         tdm_buffer_unref_backend(buffer);
 127         _pthread_mutex_lock(&private_display->lock);
 128 }
 129
 130 INTERN tdm_private_capture *
 131 tdm_capture_find_stamp(tdm_private_display *private_display, unsigned long stamp)
 132 {
 133         tdm_private_capture *private_capture = NULL;
 134
 135         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 136
 137         LIST_FOR_EACH_ENTRY(private_capture, &private_display->capture_list, link) {
 138                 if (private_capture->stamp == stamp)
 139                         return private_capture;
 140         }
 141
 142         return NULL;
 143 }
 144
 145 INTERN tdm_private_capture *
 146 tdm_capture_create_output_internal(tdm_private_output *private_output,
 147                                                                    tdm_error *error)
 148 {
 149         tdm_private_display *private_display = private_output->private_display;
 150         tdm_func_output *func_output = &private_display->func_output;
 151         tdm_func_capture *func_capture = &private_display->func_capture;
 152         tdm_private_capture *private_capture = NULL;
 153         tdm_capture *capture_backend = NULL;
 154         tdm_error ret = TDM_ERROR_NONE;
 155
 156         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 157
 158         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
 159                 TDM_ERR("no capture capability");
 160                 if (error)
 161                         *error = TDM_ERROR_NO_CAPABILITY;
 162                 return NULL;
 163         }
 164
 165         capture_backend = func_output->output_create_capture(
 166                                                   private_output->output_backend, &ret);
 167         if (ret != TDM_ERROR_NONE) {
 168                 if (error)
 169                         *error = ret;
 170                 return NULL;
 171         }
 172
 173         private_capture = calloc(1, sizeof(tdm_private_capture));
 174         if (!private_capture) {
 175                 TDM_ERR("failed: alloc memory");
 176                 func_capture->capture_destroy(capture_backend);
 177                 if (error)
 178                         *error = TDM_ERROR_OUT_OF_MEMORY;
 179                 return NULL;
 180         }
 181
 182         ret = func_capture->capture_set_done_handler(capture_backend,
 183                         tdm_capture_cb_done, private_capture);
 184         if (ret != TDM_ERROR_NONE) {
 185                 TDM_ERR("capture(%p) set capture_done_handler failed", private_capture);
 186                 func_capture->capture_destroy(capture_backend);
 187                 if (error)
 188                         *error = ret;
 189                 return NULL;
 190         }
 191
 192         private_capture->stamp = tdm_helper_get_time_in_millis();
 193         while (tdm_capture_find_stamp(private_display, private_capture->stamp))
 194                 private_capture->stamp++;
 195
 196         LIST_ADD(&private_capture->link, &private_output->capture_list);
 197         LIST_ADD(&private_capture->display_link, &private_display->capture_list);
 198
 199         private_capture->target = TDM_CAPTURE_TARGET_OUTPUT;
 200         private_capture->private_display = private_display;
 201         private_capture->private_output = private_output;
 202         private_capture->private_layer = NULL;
 203         private_capture->capture_backend = capture_backend;
 204         private_capture->owner_tid = syscall(SYS_gettid);
 205
 206         LIST_INITHEAD(&private_capture->pending_buffer_list);
 207         LIST_INITHEAD(&private_capture->buffer_list);
 208
 209         if (error)
 210                 *error = TDM_ERROR_NONE;
 211
 212         return private_capture;
 213 }
 214
 215 INTERN tdm_private_capture *
 216 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 217                                                                   tdm_error *error)
 218 {
 219         tdm_private_output *private_output = private_layer->private_output;
 220         tdm_private_display *private_display = private_output->private_display;
 221         tdm_func_layer *func_layer = &private_display->func_layer;
 222         tdm_func_capture *func_capture = &private_display->func_capture;
 223         tdm_private_capture *private_capture = NULL;
 224         tdm_capture *capture_backend = NULL;
 225         tdm_error ret = TDM_ERROR_NONE;
 226
 227         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 228
 229         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
 230                 TDM_ERR("no capture capability");
 231                 if (error)
 232                         *error = TDM_ERROR_NO_CAPABILITY;
 233                 return NULL;
 234         }
 235
 236         capture_backend = func_layer->layer_create_capture(private_layer->layer_backend,
 237                                           &ret);
 238         if (ret != TDM_ERROR_NONE)
 239                 return NULL;
 240
 241         private_capture = calloc(1, sizeof(tdm_private_capture));
 242         if (!private_capture) {
 243                 TDM_ERR("failed: alloc memory");
 244                 func_capture->capture_destroy(capture_backend);
 245                 if (error)
 246                         *error = TDM_ERROR_OUT_OF_MEMORY;
 247                 return NULL;
 248         }
 249
 250         private_capture->stamp = tdm_helper_get_time_in_millis();
 251         while (tdm_capture_find_stamp(private_display, private_capture->stamp))
 252                 private_capture->stamp++;
 253
 254         LIST_ADD(&private_capture->link, &private_layer->capture_list);
 255         LIST_ADD(&private_capture->display_link, &private_display->capture_list);
 256
 257         private_capture->target = TDM_CAPTURE_TARGET_LAYER;
 258         private_capture->private_display = private_display;
 259         private_capture->private_output = private_output;
 260         private_capture->private_layer = private_layer;
 261         private_capture->capture_backend = capture_backend;
 262         private_capture->owner_tid = syscall(SYS_gettid);
 263
 264         LIST_INITHEAD(&private_capture->pending_buffer_list);
 265         LIST_INITHEAD(&private_capture->buffer_list);
 266
 267         if (error)
 268                 *error = TDM_ERROR_NONE;
 269
 270         return private_capture;
 271 }
 272
 273 INTERN void
 274 tdm_capture_destroy_internal(tdm_private_capture *private_capture)
 275 {
 276         tdm_private_display *private_display;
 277         tdm_func_capture *func_capture;
 278         tdm_buffer_info *b = NULL, *bb = NULL;
 279
 280         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 281
 282         if (!private_capture)
 283                 return;
 284
 285         private_display = private_capture->private_display;
 286
 287         LIST_DEL(&private_capture->link);
 288         LIST_DEL(&private_capture->display_link);
 289
 290         func_capture = &private_capture->private_display->func_capture;
 291         func_capture->capture_destroy(private_capture->capture_backend);
 292
 293         if (!LIST_IS_EMPTY(&private_capture->pending_buffer_list)) {
 294                 TDM_WRN("capture(%p) not finished:", private_capture);
 295                 tdm_buffer_list_dump(&private_capture->pending_buffer_list);
 296
 297                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link) {
 298                         LIST_DEL(&b->link);
 299                         _pthread_mutex_unlock(&private_display->lock);
 300                         tdm_buffer_unref_backend(b->buffer);
 301                         _pthread_mutex_lock(&private_display->lock);
 302                 }
 303         }
 304
 305         if (!LIST_IS_EMPTY(&private_capture->buffer_list)) {
 306                 TDM_WRN("capture(%p) not finished:", private_capture);
 307                 tdm_buffer_list_dump(&private_capture->buffer_list);
 308
 309                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->buffer_list, link) {
 310                         LIST_DEL(&b->link);
 311                         _pthread_mutex_unlock(&private_display->lock);
 312                         tdm_buffer_unref_backend(b->buffer);
 313                         _pthread_mutex_lock(&private_display->lock);
 314                 }
 315         }
 316
 317         private_capture->stamp = 0;
 318         free(private_capture);
 319 }
 320
 321 EXTERN void
 322 tdm_capture_destroy(tdm_capture *capture)
 323 {
 324         tdm_private_capture *private_capture = capture;
 325         tdm_private_display *private_display;
 326
 327         if (!private_capture)
 328                 return;
 329
 330         private_display = private_capture->private_display;
 331
 332         _pthread_mutex_lock(&private_display->lock);
 333         tdm_capture_destroy_internal(private_capture);
 334         _pthread_mutex_unlock(&private_display->lock);
 335 }
 336
 337 EXTERN tdm_error
 338 tdm_capture_set_info(tdm_capture *capture, tdm_info_capture *info)
 339 {
 340         CAPTURE_FUNC_ENTRY();
 341
 342         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 343
 344         _pthread_mutex_lock(&private_display->lock);
 345
 346         if (!func_capture->capture_set_info) {
 347                 _pthread_mutex_unlock(&private_display->lock);
 348                 TDM_DBG("failed: not implemented!!");
 349                 return TDM_ERROR_NOT_IMPLEMENTED;
 350         }
 351
 352         ret = func_capture->capture_set_info(private_capture->capture_backend, info);
 353         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 354
 355         _pthread_mutex_unlock(&private_display->lock);
 356
 357         return ret;
 358 }
 359
 360 EXTERN tdm_error
 361 tdm_capture_attach(tdm_capture *capture, tbm_surface_h buffer)
 362 {
 363         CAPTURE_FUNC_ENTRY();
 364
 365         TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 366
 367         _pthread_mutex_lock(&private_display->lock);
 368
 369         if (!func_capture->capture_attach) {
 370                 _pthread_mutex_unlock(&private_display->lock);
 371                 TDM_DBG("failed: not implemented!!");
 372                 return TDM_ERROR_NOT_IMPLEMENTED;
 373         }
 374
 375         ret = _tdm_capture_check_if_exist(private_capture, buffer);
 376         if (ret != TDM_ERROR_NONE) {
 377                 _pthread_mutex_unlock(&private_display->lock);
 378                 return ret;
 379         }
 380
 381         ret = func_capture->capture_attach(private_capture->capture_backend, buffer);
 382         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 383
 384         if (ret == TDM_ERROR_NONE) {
 385                 tdm_buffer_info *buf_info;
 386
 387                 if ((buf_info = tdm_buffer_get_info(buffer)))
 388                         LIST_ADDTAIL(&buf_info->link, &private_capture->pending_buffer_list);
 389
 390                 if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 391                         TDM_INFO("capture(%p) attached:", private_capture);
 392                         tdm_buffer_list_dump(&private_capture->buffer_list);
 393                 }
 394         }
 395
 396         _pthread_mutex_unlock(&private_display->lock);
 397
 398         return ret;
 399 }
 400
 401 EXTERN tdm_error
 402 tdm_capture_commit(tdm_capture *capture)
 403 {
 404         tdm_buffer_info *b = NULL, *bb = NULL;
 405         tdm_private_output *private_output;
 406
 407         CAPTURE_FUNC_ENTRY();
 408
 409         _pthread_mutex_lock(&private_display->lock);
 410
 411         private_output = private_capture->private_output;
 412         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 413                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
 414                                 tdm_dpms_str(private_output->current_dpms_value));
 415                 _pthread_mutex_unlock(&private_display->lock);
 416                 return TDM_ERROR_BAD_REQUEST;
 417         }
 418
 419         if (!func_capture->capture_commit) {
 420                 _pthread_mutex_unlock(&private_display->lock);
 421                 TDM_DBG("failed: not implemented!!");
 422                 return TDM_ERROR_NOT_IMPLEMENTED;
 423         }
 424
 425         ret = func_capture->capture_commit(private_capture->capture_backend);
 426         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 427
 428         if (ret == TDM_ERROR_NONE) {
 429                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link) {
 430                         LIST_DEL(&b->link);
 431                         tdm_buffer_ref_backend(b->buffer);
 432                         LIST_ADDTAIL(&b->link, &private_capture->buffer_list);
 433                 }
 434         } else {
 435                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_capture->pending_buffer_list, link)
 436                         LIST_DEL(&b->link);
 437         }
 438
 439         _pthread_mutex_unlock(&private_display->lock);
 440
 441         return ret;
 442 }