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/*
* gstvaapivalue.c - GValue implementations specific to VA-API
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2012-2014 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* SECTION:gstvaapivalue
* @short_description: GValue implementations specific to VA-API
*/
#include "sysdeps.h"
#include <gobject/gvaluecollector.h>
#include "gstvaapivalue.h"
#define DEBUG 1
#include "gstvaapidebug.h"
static gpointer
default_copy_func (gpointer data)
{
return data;
}
static void
default_free_func (gpointer data)
{
}
/* --- GstVaapiPoint --- */
GType
gst_vaapi_point_get_type (void)
{
static volatile gsize g_type = 0;
if (g_once_init_enter (&g_type)) {
GType type =
g_boxed_type_register_static (g_intern_static_string ("GstVaapiPoint"),
default_copy_func, default_free_func);
gst_type_mark_as_plugin_api (type, 0);
g_once_init_leave (&g_type, type);
}
return g_type;
}
/* --- GstVaapiRectangle --- */
GType
gst_vaapi_rectangle_get_type (void)
{
static volatile gsize g_type = 0;
if (g_once_init_enter (&g_type)) {
GType type =
g_boxed_type_register_static (g_intern_static_string
("GstVaapiRectangle"),
default_copy_func, default_free_func);
gst_type_mark_as_plugin_api (type, 0);
g_once_init_leave (&g_type, type);
}
return g_type;
}
/* --- GstVaapiRenderMode --- */
GType
gst_vaapi_render_mode_get_type (void)
{
static volatile gsize g_type = 0;
static const GEnumValue render_modes[] = {
{GST_VAAPI_RENDER_MODE_OVERLAY,
"Overlay render mode", "overlay"},
{GST_VAAPI_RENDER_MODE_TEXTURE,
"Textured-blit render mode", "texture"},
{0, NULL, NULL}
};
if (g_once_init_enter (&g_type)) {
GType type = g_enum_register_static ("GstVaapiRenderMode", render_modes);
gst_type_mark_as_plugin_api (type, 0);
g_once_init_leave (&g_type, type);
}
return g_type;
}
/* --- GstVaapiRotation --- */
GType
gst_vaapi_rotation_get_type (void)
{
static volatile gsize g_type = 0;
static const GEnumValue rotation_values[] = {
{GST_VAAPI_ROTATION_0,
"Unrotated mode", "0"},
{GST_VAAPI_ROTATION_90,
"Rotated by 90°, clockwise", "90"},
{GST_VAAPI_ROTATION_180,
"Rotated by 180°, clockwise", "180"},
{GST_VAAPI_ROTATION_270,
"Rotated by 270°, clockwise", "270"},
{GST_VAAPI_ROTATION_AUTOMATIC,
"Rotated by image-orientating tag°", "Automatic"},
{0, NULL, NULL},
};
if (g_once_init_enter (&g_type)) {
GType type = g_enum_register_static ("GstVaapiRotation", rotation_values);
gst_type_mark_as_plugin_api (type, 0);
g_once_init_leave (&g_type, type);
}
return g_type;
}
/* --- GstVaapiRateControl --- */
GType
gst_vaapi_rate_control_get_type (void)
{
static volatile gsize g_type = 0;
static const GEnumValue rate_control_values[] = {
{GST_VAAPI_RATECONTROL_NONE,
"None", "none"},
{GST_VAAPI_RATECONTROL_CQP,
"Constant QP", "cqp"},
{GST_VAAPI_RATECONTROL_CBR,
"Constant bitrate", "cbr"},
{GST_VAAPI_RATECONTROL_VCM,
"Video conference", "vcm"},
{GST_VAAPI_RATECONTROL_VBR,
"Variable bitrate", "vbr"},
{GST_VAAPI_RATECONTROL_VBR_CONSTRAINED,
"Variable bitrate - Constrained", "vbr_constrained"},
{GST_VAAPI_RATECONTROL_MB,
"Macroblock based rate control", "mb"},
{GST_VAAPI_RATECONTROL_ICQ,
"Constant QP - Intelligent", "icq"},
{GST_VAAPI_RATECONTROL_QVBR,
"Variable bitrate - Quality defined", "qvbr"},
{0, NULL, NULL},
};
if (g_once_init_enter (&g_type)) {
GType type = g_enum_register_static ("GstVaapiRateControl",
rate_control_values);
gst_type_mark_as_plugin_api (type, 0);
g_once_init_leave (&g_type, type);
}
return g_type;
}
static gboolean
build_enum_subset_values_from_mask (GstVaapiEnumSubset * subset, guint32 mask)
{
GEnumClass *enum_class;
const GEnumValue *value;
guint i, n;
enum_class = g_type_class_ref (subset->parent_type);
if (!enum_class)
return FALSE;
for (i = 0, n = 0; i < 32 && n < subset->num_values; i++) {
if (!(mask & (1U << i)))
continue;
value = g_enum_get_value (enum_class, i);
if (!value)
continue;
subset->values[n++] = *value;
}
g_type_class_unref (enum_class);
if (n != subset->num_values - 1)
goto error_invalid_num_values;
return TRUE;
/* ERRORS */
error_invalid_num_values:
{
GST_ERROR ("invalid number of static values for `%s'", subset->type_name);
return FALSE;
}
}
GType
gst_vaapi_type_define_enum_subset_from_mask (GstVaapiEnumSubset * subset,
guint32 mask)
{
if (g_once_init_enter (&subset->type)) {
GType type;
build_enum_subset_values_from_mask (subset, mask);
memset (&subset->type_info, 0, sizeof (subset->type_info));
g_enum_complete_type_info (subset->parent_type, &subset->type_info,
subset->values);
type = g_type_register_static (G_TYPE_ENUM, subset->type_name,
&subset->type_info, 0);
g_once_init_leave (&subset->type, type);
}
return subset->type;
}
/**
* gst_vaapi_enum_type_get_nick:
* @type: an enum #GType
* @value: the value to get its nick
*
* Returns: (tranfer none); the string associated with
* @value. Otherwise "<unknown>"
**/
const gchar *
gst_vaapi_enum_type_get_nick (GType type, gint value)
{
gpointer const klass = g_type_class_peek (type);
GEnumValue *const e = g_enum_get_value (klass, value);
if (e)
return e->value_nick;
return "<unknown>";
}
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