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Add GstVaapiID abstraction.
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5 changed files with 220 additions and 2 deletions
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@ -158,6 +158,9 @@ GST_VAAPI_VIDEO_BUFFER_GET_CLASS
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<SECTION>
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<FILE>gstvaapitypes</FILE>
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<TITLE>Basic data structures</TITLE>
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GstVaapiID
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gst_vaapi_value_get_id
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gst_vaapi_value_set_id
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GstVaapiPoint
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GstVaapiRectangle
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</SECTION>
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@ -1,5 +1,6 @@
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gst_vaapi_display_get_type
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gst_vaapi_display_x11_get_type
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gst_vaapi_id_get_type
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gst_vaapi_image_get_type
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gst_vaapi_image_pool_get_type
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gst_vaapi_object_get_type
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@ -16,6 +16,7 @@ libgstvaapi_source_c = \
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gstvaapisubpicture.c \
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gstvaapisurface.c \
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gstvaapisurfacepool.c \
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gstvaapitypes.c \
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gstvaapiutils.c \
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gstvaapivideobuffer.c \
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gstvaapivideopool.c \
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164
gst-libs/gst/vaapi/gstvaapitypes.c
Normal file
164
gst-libs/gst/vaapi/gstvaapitypes.c
Normal file
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@ -0,0 +1,164 @@
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/*
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* gstvaapitypes.h - Basic types
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*
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* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* SECTION:gstvaapitypes
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* @short_description: Basic types
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*/
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#include "config.h"
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#include <gst/gstvalue.h>
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#include <gobject/gvaluecollector.h>
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#include "gstvaapitypes.h"
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#if GST_VAAPI_TYPE_ID_SIZE == 4
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# define GST_VAAPI_VALUE_ID_(cvalue) ((cvalue).v_int)
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# define GST_VAAPI_VALUE_ID_CFORMAT "i"
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#elif GST_VAAPI_TYPE_ID_SIZE == 8
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# define GST_VAAPI_VALUE_ID_(cvalue) ((cvalue).v_int64)
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# define GST_VAAPI_VALUE_ID_CFORMAT "q"
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#else
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# error "unsupported GstVaapiID size"
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#endif
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#define GST_VAAPI_VALUE_ID(value) GST_VAAPI_VALUE_ID_((value)->data[0])
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static void
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gst_vaapi_value_id_init(GValue *value)
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{
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GST_VAAPI_VALUE_ID(value) = 0;
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}
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static void
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gst_vaapi_value_id_copy(const GValue *src_value, GValue *dst_value)
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{
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GST_VAAPI_VALUE_ID(dst_value) = GST_VAAPI_VALUE_ID(src_value);
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}
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static gchar *
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gst_vaapi_value_id_collect(
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GValue *value,
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guint n_collect_values,
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GTypeCValue *collect_values,
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guint collect_flags
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)
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{
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GST_VAAPI_VALUE_ID(value) = GST_VAAPI_VALUE_ID_(collect_values[0]);
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return NULL;
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}
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static gchar *
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gst_vaapi_value_id_lcopy(
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const GValue *value,
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guint n_collect_values,
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GTypeCValue *collect_values,
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guint collect_flags
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)
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{
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GstVaapiID *id_p = collect_values[0].v_pointer;
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if (!id_p)
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return g_strdup_printf("value location for `%s' passed as NULL",
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G_VALUE_TYPE_NAME(value));
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*id_p = GST_VAAPI_VALUE_ID(value);
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return NULL;
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}
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static GTypeInfo gst_vaapi_type_info = {
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0,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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0,
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NULL,
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NULL,
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};
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static GTypeFundamentalInfo gst_vaapi_type_finfo = {
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0
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};
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#define GST_VAAPI_TYPE_DEFINE(type, name) \
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GType gst_vaapi_ ## type ## _get_type(void) \
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{ \
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static GType gst_vaapi_ ## type ## _type = 0; \
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\
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if (G_UNLIKELY(gst_vaapi_ ## type ## _type == 0)) { \
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gst_vaapi_type_info.value_table = \
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&gst_vaapi_ ## type ## _value_table; \
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gst_vaapi_ ## type ## _type = g_type_register_fundamental( \
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g_type_fundamental_next(), \
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name, \
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&gst_vaapi_type_info, \
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&gst_vaapi_type_finfo, \
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0 \
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); \
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} \
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\
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return gst_vaapi_ ## type ## _type; \
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}
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static const GTypeValueTable gst_vaapi_id_value_table = {
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gst_vaapi_value_id_init,
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NULL,
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gst_vaapi_value_id_copy,
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NULL,
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GST_VAAPI_VALUE_ID_CFORMAT,
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gst_vaapi_value_id_collect,
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"p",
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gst_vaapi_value_id_lcopy
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};
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GST_VAAPI_TYPE_DEFINE(id, "GstVaapiID");
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/**
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* gst_vaapi_value_get_id:
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* @value: a GValue initialized to #GstVaapiID
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*
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* Gets the integer contained in @value.
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*
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* Return value: the integer contained in @value
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*/
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GstVaapiID
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gst_vaapi_value_get_id(const GValue *value)
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{
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g_return_val_if_fail(GST_VAAPI_VALUE_HOLDS_ID(value), 0);
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return GST_VAAPI_VALUE_ID(value);
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}
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/**
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* gst_vaapi_value_set_id:
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* @value: a GValue initialized to #GstVaapiID
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* @id: a #GstVaapiID
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*
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* Sets the integer contained in @id to @value.
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*/
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void
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gst_vaapi_value_set_id(GValue *value, GstVaapiID id)
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{
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g_return_if_fail(GST_VAAPI_VALUE_HOLDS_ID(value));
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GST_VAAPI_VALUE_ID(value) = id;
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}
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@ -1,5 +1,5 @@
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/*
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* gstvaapitypes.h - Misc types
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* gstvaapitypes.h - Basic types
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*
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* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
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*
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@ -21,10 +21,59 @@
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#ifndef GST_VAAPI_TYPES_H
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#define GST_VAAPI_TYPES_H
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#include <glib/gtypes.h>
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#include <glib-object.h>
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G_BEGIN_DECLS
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/**
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* GstVaapiID:
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*
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* An integer large enough to hold a generic VA id or a pointer
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* wherever necessary.
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*/
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#if defined(GLIB_SIZEOF_VOID_P)
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# define GST_VAAPI_TYPE_ID_SIZE GLIB_SIZEOF_VOID_P
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#elif G_MAXULONG == 0xffffffff
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# define GST_VAAPI_TYPE_ID_SIZE 4
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#elif G_MAXULONG == 0xffffffffffffffffull
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# define GST_VAAPI_TYPE_ID_SIZE 8
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#else
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# error "could not determine size of GstVaapiID"
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#endif
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#if GST_VAAPI_TYPE_ID_SIZE == 4
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typedef guint32 GstVaapiID;
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#elif GST_VAAPI_TYPE_ID_SIZE == 8
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typedef guint64 GstVaapiID;
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#else
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# error "unsupported value for GST_VAAPI_TYPE_ID_SIZE"
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#endif
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/**
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* GST_VAAPI_TYPE_ID:
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*
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* A #GValue type that represents a VA identifier.
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*
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* Return value: the #GType of GstVaapiID
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*/
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#define GST_VAAPI_TYPE_ID gst_vaapi_id_get_type()
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/**
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* GST_VAAPI_VALUE_HOLDS_ID:
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* @x: the #GValue to check
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*
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* Checks if the given #GValue contains a #GstVaapiID value.
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*/
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#define GST_VAAPI_VALUE_HOLDS_ID(x) (G_VALUE_HOLDS((x), GST_VAAPI_TYPE_ID))
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GType
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gst_vaapi_id_get_type(void);
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GstVaapiID
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gst_vaapi_value_get_id(const GValue *value);
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void
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gst_vaapi_value_set_id(GValue *value, GstVaapiID id);
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/**
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* GstVaapiPoint:
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* @x: X coordinate
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