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
  44 #define CAPTURE_FUNC_ENTRY() \
  45     tdm_func_capture *func_capture; \
  46     tdm_private_display *private_display; \
  47     tdm_private_capture *private_capture; \
  48     tdm_error ret = TDM_ERROR_NONE; \
  49     TDM_RETURN_VAL_IF_FAIL(capture != NULL, TDM_ERROR_INVALID_PARAMETER); \
  50     private_capture = (tdm_private_capture*)capture; \
  51     private_display = private_capture->private_display; \
  52     func_capture = &private_display->func_capture
  53
  54 static void
  55 _tdm_caputre_cb_done(tdm_capture *capture_backend, tbm_surface_h buffer, void *user_data)
  56 {
  57     tdm_private_capture *private_capture = user_data;
  58     tdm_private_display *private_display = private_capture->private_display;
  59     int lock_after_cb_done = 0;
  60     int ret;
  61
  62     ret = pthread_mutex_trylock(&private_display->lock);
  63     if (ret == 0)
  64         pthread_mutex_unlock(&private_display->lock);
  65     else  if (ret == EBUSY)
  66     {
  67         pthread_mutex_unlock(&private_display->lock);
  68         lock_after_cb_done = 1;
  69     }
  70
  71     tdm_buffer_unref_backend(buffer);
  72
  73     if (lock_after_cb_done)
  74         pthread_mutex_lock(&private_display->lock);
  75 }
  76
  77 INTERN tdm_private_capture*
  78 tdm_capture_create_output_internal(tdm_private_output *private_output, tdm_error *error)
  79 {
  80     tdm_private_display *private_display = private_output->private_display;
  81     tdm_func_output *func_output = &private_display->func_output;
  82     tdm_func_capture *func_capture = &private_display->func_capture;
  83     tdm_private_capture *private_capture = NULL;
  84     tdm_capture *capture_backend = NULL;
  85     tdm_error ret = TDM_ERROR_NONE;
  86
  87     if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
  88     {
  89         TDM_ERR("no capture capability");
  90         if (error)
  91             *error = TDM_ERROR_NO_CAPABILITY;
  92         return NULL;
  93     }
  94
  95     capture_backend = func_output->output_create_capture(private_output->output_backend, &ret);
  96     if (ret != TDM_ERROR_NONE)
  97     {
  98         if (error)
  99             *error = ret;
 100         return NULL;
 101     }
 102
 103     private_capture = calloc(1, sizeof(tdm_private_capture));
 104     if (!private_capture)
 105     {
 106         TDM_ERR("failed: alloc memory");
 107         func_capture->capture_destroy(capture_backend);
 108         if (error)
 109             *error = TDM_ERROR_OUT_OF_MEMORY;
 110         return NULL;
 111     }
 112
 113     ret = func_capture->capture_set_done_handler(capture_backend, _tdm_caputre_cb_done, private_capture);
 114     if (ret != TDM_ERROR_NONE)
 115     {
 116         TDM_ERR("set capture_done_handler failed");
 117         func_capture->capture_destroy(capture_backend);
 118         if (error)
 119             *error = ret;
 120         return NULL;
 121     }
 122
 123     LIST_ADD(&private_capture->link, &private_output->capture_list);
 124     private_capture->target = TDM_CAPTURE_TARGET_OUTPUT;
 125     private_capture->private_display = private_display;
 126     private_capture->private_output = private_output;
 127     private_capture->private_layer = NULL;
 128     private_capture->capture_backend = capture_backend;
 129
 130     if (error)
 131         *error = TDM_ERROR_NONE;
 132
 133     return private_capture;
 134 }
 135
 136 INTERN tdm_private_capture*
 137 tdm_capture_create_layer_internal(tdm_private_layer *private_layer, tdm_error *error)
 138 {
 139     tdm_private_output *private_output = private_layer->private_output;
 140     tdm_private_display *private_display = private_output->private_display;
 141     tdm_func_layer *func_layer = &private_display->func_layer;
 142     tdm_func_capture *func_capture = &private_display->func_capture;
 143     tdm_private_capture *private_capture = NULL;
 144     tdm_capture *capture_backend = NULL;
 145     tdm_error ret = TDM_ERROR_NONE;
 146
 147     if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
 148     {
 149         TDM_ERR("no capture capability");
 150         if (error)
 151             *error = TDM_ERROR_NO_CAPABILITY;
 152         return NULL;
 153     }
 154
 155     capture_backend = func_layer->layer_create_capture(private_layer->layer_backend, &ret);
 156     if (ret != TDM_ERROR_NONE)
 157         return NULL;
 158
 159     private_capture = calloc(1, sizeof(tdm_private_capture));
 160     if (!private_capture)
 161     {
 162         TDM_ERR("failed: alloc memory");
 163         func_capture->capture_destroy(capture_backend);
 164         if (error)
 165             *error = TDM_ERROR_OUT_OF_MEMORY;
 166         return NULL;
 167     }
 168
 169     LIST_ADD(&private_capture->link, &private_output->capture_list);
 170     private_capture->target = TDM_CAPTURE_TARGET_LAYER;
 171     private_capture->private_display = private_display;
 172     private_capture->private_output = private_output;
 173     private_capture->private_layer = private_layer;
 174     private_capture->capture_backend = capture_backend;
 175
 176     if (error)
 177         *error = TDM_ERROR_NONE;
 178
 179     return private_capture;
 180 }
 181
 182 INTERN void
 183 tdm_capture_destroy_internal(tdm_private_capture *private_capture)
 184 {
 185     tdm_func_capture *func_capture;
 186
 187     if (!private_capture)
 188         return;
 189
 190     LIST_DEL(&private_capture->link);
 191
 192     func_capture = &private_capture->private_display->func_capture;
 193     func_capture->capture_destroy(private_capture->capture_backend);
 194
 195     free(private_capture);
 196 }
 197
 198 EXTERN void
 199 tdm_capture_destroy(tdm_capture *capture)
 200 {
 201     tdm_private_capture *private_capture = capture;
 202     tdm_private_display *private_display;
 203
 204     if (!private_capture)
 205         return;
 206
 207     private_display = private_capture->private_display;
 208
 209     pthread_mutex_lock(&private_display->lock);
 210     tdm_capture_destroy_internal(private_capture);
 211     pthread_mutex_unlock(&private_display->lock);
 212 }
 213
 214 EXTERN tdm_error
 215 tdm_capture_set_info(tdm_capture *capture, tdm_info_capture *info)
 216 {
 217     CAPTURE_FUNC_ENTRY();
 218
 219     TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 220
 221     pthread_mutex_lock(&private_display->lock);
 222
 223     if (!func_capture->capture_set_info)
 224     {
 225         pthread_mutex_unlock(&private_display->lock);
 226         return TDM_ERROR_NONE;
 227     }
 228
 229     ret = func_capture->capture_set_info(private_capture->capture_backend, info);
 230
 231     pthread_mutex_unlock(&private_display->lock);
 232
 233     return ret;
 234 }
 235
 236 EXTERN tdm_error
 237 tdm_capture_attach(tdm_capture *capture, tbm_surface_h buffer)
 238 {
 239     CAPTURE_FUNC_ENTRY();
 240
 241     TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 242
 243     pthread_mutex_lock(&private_display->lock);
 244
 245     if (!func_capture->capture_attach)
 246     {
 247         pthread_mutex_unlock(&private_display->lock);
 248         return TDM_ERROR_NONE;
 249     }
 250
 251     tdm_buffer_ref_backend(buffer);
 252     ret = func_capture->capture_attach(private_capture->capture_backend, buffer);
 253
 254     pthread_mutex_unlock(&private_display->lock);
 255
 256     return ret;
 257 }
 258
 259 EXTERN tdm_error
 260 tdm_capture_commit(tdm_capture *capture)
 261 {
 262     CAPTURE_FUNC_ENTRY();
 263
 264     pthread_mutex_lock(&private_display->lock);
 265
 266     if (!func_capture->capture_commit)
 267     {
 268         pthread_mutex_unlock(&private_display->lock);
 269         return TDM_ERROR_NONE;
 270     }
 271
 272     ret = func_capture->capture_commit(private_capture->capture_backend);
 273
 274     pthread_mutex_unlock(&private_display->lock);
 275
 276     return ret;
 277 }