gst-libs/gst/vaapi/gstvaapisurfaceproxy.c

   1 /*
   2  *  gstvaapisurfaceproxy.c - VA surface proxy
   3  *
   4  *  Copyright (C) 2010-2011 Splitted-Desktop Systems
   5  *  Copyright (C) 2011-2012 Intel Corporation
   6  *
   7  *  This library is free software; you can redistribute it and/or
   8  *  modify it under the terms of the GNU Lesser General Public License
   9  *  as published by the Free Software Foundation; either version 2.1
  10  *  of the License, or (at your option) any later version.
  11  *
  12  *  This library is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *  Lesser General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU Lesser General Public
  18  *  License along with this library; if not, write to the Free
  19  *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20  *  Boston, MA 02110-1301 USA
  21  */
  22
  23 /**
  24  * SECTION:gstvaapisurfaceproxy
  25  * @short_description: VA surface proxy
  26  */
  27
  28 #include "sysdeps.h"
  29 #include "gstvaapisurfaceproxy.h"
  30 #include "gstvaapiobject_priv.h"
  31
  32 #define DEBUG 1
  33 #include "gstvaapidebug.h"
  34
  35 G_DEFINE_TYPE(GstVaapiSurfaceProxy, gst_vaapi_surface_proxy, G_TYPE_OBJECT);
  36
  37 #define GST_VAAPI_SURFACE_PROXY_GET_PRIVATE(obj)                \
  38     (G_TYPE_INSTANCE_GET_PRIVATE((obj),                         \
  39                                  GST_VAAPI_TYPE_SURFACE_PROXY,  \
  40                                  GstVaapiSurfaceProxyPrivate))
  41
  42 struct _GstVaapiSurfaceProxyPrivate {
  43     GstVaapiContext    *context;
  44     GstVaapiSurface    *surface;
  45     GstClockTime        timestamp;
  46     gboolean            tff;
  47 };
  48
  49 enum {
  50     PROP_0,
  51
  52     PROP_CONTEXT,
  53     PROP_SURFACE,
  54     PROP_TIMESTAMP,
  55     PROP_TFF
  56 };
  57
  58 static void
  59 gst_vaapi_surface_proxy_finalize(GObject *object)
  60 {
  61     GstVaapiSurfaceProxy * const proxy = GST_VAAPI_SURFACE_PROXY(object);
  62
  63     gst_vaapi_surface_proxy_set_surface(proxy, NULL);
  64     gst_vaapi_surface_proxy_set_context(proxy, NULL);
  65
  66     G_OBJECT_CLASS(gst_vaapi_surface_proxy_parent_class)->finalize(object);
  67 }
  68
  69 static void
  70 gst_vaapi_surface_proxy_set_property(
  71     GObject      *object,
  72     guint         prop_id,
  73     const GValue *value,
  74     GParamSpec   *pspec
  75 )
  76 {
  77     GstVaapiSurfaceProxy * const proxy = GST_VAAPI_SURFACE_PROXY(object);
  78
  79     switch (prop_id) {
  80     case PROP_CONTEXT:
  81         gst_vaapi_surface_proxy_set_context(proxy, g_value_get_pointer(value));
  82         break;
  83     case PROP_SURFACE:
  84         gst_vaapi_surface_proxy_set_surface(proxy, g_value_get_pointer(value));
  85         break;
  86     case PROP_TIMESTAMP:
  87         gst_vaapi_surface_proxy_set_timestamp(proxy, g_value_get_uint64(value));
  88         break;
  89     case PROP_TFF:
  90         gst_vaapi_surface_proxy_set_tff(proxy, g_value_get_boolean(value));
  91         break;
  92     default:
  93         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
  94         break;
  95     }
  96 }
  97
  98 static void
  99 gst_vaapi_surface_proxy_get_property(
 100     GObject    *object,
 101     guint       prop_id,
 102     GValue     *value,
 103     GParamSpec *pspec
 104 )
 105 {
 106     GstVaapiSurfaceProxy * const proxy = GST_VAAPI_SURFACE_PROXY(object);
 107
 108     switch (prop_id) {
 109     case PROP_CONTEXT:
 110         g_value_set_pointer(value, gst_vaapi_surface_proxy_get_context(proxy));
 111         break;
 112     case PROP_SURFACE:
 113         g_value_set_pointer(value, gst_vaapi_surface_proxy_get_surface(proxy));
 114         break;
 115     case PROP_TIMESTAMP:
 116         g_value_set_uint64(value, gst_vaapi_surface_proxy_get_timestamp(proxy));
 117         break;
 118     case PROP_TFF:
 119         g_value_set_boolean(value, gst_vaapi_surface_proxy_get_tff(proxy));
 120         break;
 121     default:
 122         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
 123         break;
 124     }
 125 }
 126
 127 static void
 128 gst_vaapi_surface_proxy_class_init(GstVaapiSurfaceProxyClass *klass)
 129 {
 130     GObjectClass * const object_class = G_OBJECT_CLASS(klass);
 131
 132     g_type_class_add_private(klass, sizeof(GstVaapiSurfaceProxyPrivate));
 133
 134     object_class->finalize     = gst_vaapi_surface_proxy_finalize;
 135     object_class->set_property = gst_vaapi_surface_proxy_set_property;
 136     object_class->get_property = gst_vaapi_surface_proxy_get_property;
 137
 138     g_object_class_install_property
 139         (object_class,
 140          PROP_CONTEXT,
 141          g_param_spec_pointer("context",
 142                               "Context",
 143                               "The context stored in the proxy",
 144                               G_PARAM_READWRITE));
 145
 146     g_object_class_install_property
 147         (object_class,
 148          PROP_SURFACE,
 149          g_param_spec_pointer("surface",
 150                               "Surface",
 151                               "The surface stored in the proxy",
 152                               G_PARAM_READWRITE));
 153
 154     g_object_class_install_property
 155         (object_class,
 156          PROP_TIMESTAMP,
 157          g_param_spec_uint64("timestamp",
 158                              "Timestamp",
 159                              "The presentation time of the surface",
 160                              0, G_MAXUINT64, GST_CLOCK_TIME_NONE,
 161                              G_PARAM_READWRITE));
 162
 163     g_object_class_install_property
 164         (object_class,
 165          PROP_TFF,
 166          g_param_spec_boolean("tff",
 167                               "Top-Field-First",
 168                               "Flag indicating for interlaced surfaces whether Top Field is First",
 169                               FALSE,
 170                               G_PARAM_READWRITE));
 171 }
 172
 173 static void
 174 gst_vaapi_surface_proxy_init(GstVaapiSurfaceProxy *proxy)
 175 {
 176     GstVaapiSurfaceProxyPrivate *priv;
 177
 178     priv                = GST_VAAPI_SURFACE_PROXY_GET_PRIVATE(proxy);
 179     proxy->priv         = priv;
 180     priv->context       = NULL;
 181     priv->surface       = NULL;
 182     priv->timestamp     = GST_CLOCK_TIME_NONE;
 183     priv->tff           = FALSE;
 184 }
 185
 186 /**
 187  * gst_vaapi_surface_proxy_new:
 188  * @context: a #GstVaapiContext
 189  * @surface: a #GstVaapiSurface
 190  *
 191  * Creates a new #GstVaapiSurfaceProxy with the specified context and
 192  * surface.
 193  *
 194  * Return value: the newly allocated #GstVaapiSurfaceProxy object
 195  */
 196 GstVaapiSurfaceProxy *
 197 gst_vaapi_surface_proxy_new(GstVaapiContext *context, GstVaapiSurface *surface)
 198 {
 199     g_return_val_if_fail(GST_VAAPI_IS_CONTEXT(context), NULL);
 200     g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), NULL);
 201
 202     return g_object_new(GST_VAAPI_TYPE_SURFACE_PROXY,
 203                         "context",  context,
 204                         "surface",  surface,
 205                         NULL);
 206 }
 207
 208 /**
 209  * gst_vaapi_surface_proxy_get_context:
 210  * @proxy: a #GstVaapiSurfaceProxy
 211  *
 212  * Returns the #GstVaapiContext stored in the @proxy.
 213  *
 214  * Return value: the #GstVaapiContext
 215  */
 216 GstVaapiContext *
 217 gst_vaapi_surface_proxy_get_context(GstVaapiSurfaceProxy *proxy)
 218 {
 219     g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), NULL);
 220
 221     return proxy->priv->context;
 222 }
 223
 224 /**
 225  * gst_vaapi_surface_proxy_set_context:
 226  * @proxy: a #GstVaapiSurfaceProxy
 227  * @context: the new #GstVaapiContext to be stored in @proxy
 228  *
 229  * Stores a new @context into the @proxy. The proxy releases the
 230  * previous reference, if any, and then holds a reference to the new
 231  * @context.
 232  */
 233 void
 234 gst_vaapi_surface_proxy_set_context(
 235     GstVaapiSurfaceProxy *proxy,
 236     GstVaapiContext      *context
 237 )
 238 {
 239     GstVaapiSurfaceProxyPrivate *priv;
 240
 241     g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
 242
 243     priv = proxy->priv;
 244
 245     if (priv->context) {
 246         g_object_unref(priv->context);
 247         priv->context = NULL;
 248     }
 249
 250     if (context)
 251         priv->context = g_object_ref(context);
 252 }
 253
 254 /**
 255  * gst_vaapi_surface_proxy_get_surface:
 256  * @proxy: a #GstVaapiSurfaceProxy
 257  *
 258  * Returns the #GstVaapiSurface stored in the @proxy.
 259  *
 260  * Return value: the #GstVaapiSurface
 261  */
 262 GstVaapiSurface *
 263 gst_vaapi_surface_proxy_get_surface(GstVaapiSurfaceProxy *proxy)
 264 {
 265     g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), NULL);
 266
 267     return proxy->priv->surface;
 268 }
 269
 270 /**
 271  * gst_vaapi_surface_proxy_get_surface_id:
 272  * @proxy: a #GstVaapiSurfaceProxy
 273  *
 274  * Returns the VA surface ID stored in the @proxy.
 275  *
 276  * Return value: the #GstVaapiID
 277  */
 278 GstVaapiID
 279 gst_vaapi_surface_proxy_get_surface_id(GstVaapiSurfaceProxy *proxy)
 280 {
 281     g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), GST_VAAPI_ID_NONE);
 282     g_return_val_if_fail(proxy->priv->surface != NULL, GST_VAAPI_ID_NONE);
 283
 284     return GST_VAAPI_OBJECT_ID(proxy->priv->surface);
 285 }
 286
 287 /**
 288  * gst_vaapi_surface_proxy_set_surface:
 289  * @proxy: a #GstVaapiSurfaceProxy
 290  * @surface: the new #GstVaapiSurface to be stored in @proxy
 291  *
 292  * Stores a new @surface into the @proxy. The proxy releases the
 293  * previous reference, if any, and then holds a reference to the new
 294  * @surface.
 295  */
 296 void
 297 gst_vaapi_surface_proxy_set_surface(
 298     GstVaapiSurfaceProxy *proxy,
 299     GstVaapiSurface      *surface
 300 )
 301 {
 302     GstVaapiSurfaceProxyPrivate *priv;
 303
 304     g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
 305
 306     priv = proxy->priv;
 307
 308     if (priv->surface) {
 309         if (priv->context)
 310             gst_vaapi_context_put_surface(priv->context, priv->surface);
 311         g_object_unref(priv->surface);
 312         priv->surface = NULL;
 313     }
 314
 315     if (surface)
 316         priv->surface = g_object_ref(surface);
 317 }
 318
 319 /**
 320  * gst_vaapi_surface_proxy_get_timestamp:
 321  * @proxy: a #GstVaapiSurfaceProxy
 322  *
 323  * Returns the presentation timestamp of the #GstVaapiSurface held by @proxy.
 324  *
 325  * Return value: the presentation timestamp of the surface, or
 326  *   %GST_CLOCK_TIME_NONE is none was set
 327  */
 328 GstClockTime
 329 gst_vaapi_surface_proxy_get_timestamp(GstVaapiSurfaceProxy *proxy)
 330 {
 331     g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), GST_CLOCK_TIME_NONE);
 332
 333     return proxy->priv->timestamp;
 334 }
 335
 336 /**
 337  * gst_vaapi_surface_proxy_set_timestamp:
 338  * @proxy: a #GstVaapiSurfaceProxy
 339  * @timestamp: the new presentation timestamp as a #GstClockTime
 340  *
 341  * Sets the presentation timestamp of the @proxy surface to @timestamp.
 342  */
 343 void
 344 gst_vaapi_surface_proxy_set_timestamp(
 345     GstVaapiSurfaceProxy *proxy,
 346     GstClockTime          timestamp
 347 )
 348 {
 349     g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
 350
 351     proxy->priv->timestamp = timestamp;
 352 }
 353
 354 /**
 355  * gst_vaapi_surface_proxy_get_tff:
 356  * @proxy: a #GstVaapiSurfaceProxy
 357  *
 358  * Returns the TFF flag of the #GstVaapiSurface held by @proxy.
 359  *
 360  * Return value: the TFF flag of the surface
 361  */
 362 gboolean
 363 gst_vaapi_surface_proxy_get_tff(GstVaapiSurfaceProxy *proxy)
 364 {
 365     g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), FALSE);
 366
 367     return proxy->priv->tff;
 368 }
 369
 370 /**
 371  * gst_vaapi_surface_proxy_set_tff:
 372  * @proxy: a #GstVaapiSurfaceProxy
 373  * @tff: the new value of the TFF flag
 374  *
 375  * Sets the TFF flag of the @proxy surface to @tff.
 376  */
 377 void
 378 gst_vaapi_surface_proxy_set_tff(GstVaapiSurfaceProxy *proxy, gboolean tff)
 379 {
 380     g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
 381
 382     proxy->priv->tff = tff;
 383 }