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