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Add GstVaapiImagePool and factor out GstVaapiSurfacePool from a base GstVaapiVideoPool.

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This commit is contained in:
gb 2010-03-12 23:47:47 +00:00
parent 56827ae5b6
commit 809933a46b
7 changed files with 562 additions and 217 deletions
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4
gst-libs/gst/vaapi/Makefile.am
View file

@ -4,10 +4,12 @@ libgstvaapi_source_c = \
gstvaapidisplay.c \
gstvaapiimage.c \
gstvaapiimageformat.c \
gstvaapiimagepool.c \
gstvaapisinkbase.c \
gstvaapisubpicture.c \
gstvaapisurface.c \
gstvaapisurfacepool.c \
gstvaapivideopool.c \
vaapi_utils.c \
$(NULL)
@ -15,10 +17,12 @@ libgstvaapi_source_h = \
gstvaapidisplay.h \
gstvaapiimage.h \
gstvaapiimageformat.h \
gstvaapiimagepool.h \
gstvaapisinkbase.h \
gstvaapisubpicture.h \
gstvaapisurface.h \
gstvaapisurfacepool.h \
gstvaapivideopool.h \
vaapi_debug.h \
vaapi_utils.h \
$(NULL)

111
gst-libs/gst/vaapi/gstvaapiimagepool.c Normal file
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@ -0,0 +1,111 @@
/*
* gstvaapiimagepool.c - Gst VA image pool
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "gstvaapiimagepool.h"
#define DEBUG 1
#include "vaapi_debug.h"
G_DEFINE_TYPE(
GstVaapiImagePool,
gst_vaapi_image_pool,
GST_VAAPI_TYPE_VIDEO_POOL);
#define GST_VAAPI_IMAGE_POOL_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
GST_VAAPI_TYPE_IMAGE_POOL, \
GstVaapiImagePoolPrivate))
struct _GstVaapiImagePoolPrivate {
GstVaapiImageFormat format;
guint width;
guint height;
};
static void
gst_vaapi_image_pool_set_caps(GstVaapiVideoPool *pool, GstCaps *caps)
{
GstVaapiImagePoolPrivate * const priv = GST_VAAPI_IMAGE_POOL(pool)->priv;
GstStructure *structure;
gint width, height;
structure = gst_caps_get_structure(caps, 0);
gst_structure_get_int(structure, "width", &width);
gst_structure_get_int(structure, "height", &height);
priv->format = gst_vaapi_image_format_from_caps(caps);
priv->width = width;
priv->height = height;
}
gpointer
gst_vaapi_image_pool_alloc_object(
GstVaapiVideoPool *pool,
GstVaapiDisplay *display
)
{
GstVaapiImagePoolPrivate * const priv = GST_VAAPI_IMAGE_POOL(pool)->priv;
return gst_vaapi_image_new(display,
priv->format,
priv->width,
priv->height);
}
static void
gst_vaapi_image_pool_finalize(GObject *object)
{
G_OBJECT_CLASS(gst_vaapi_image_pool_parent_class)->finalize(object);
}
static void
gst_vaapi_image_pool_class_init(GstVaapiImagePoolClass *klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
GstVaapiVideoPoolClass * const pool_class = GST_VAAPI_VIDEO_POOL_CLASS(klass);
g_type_class_add_private(klass, sizeof(GstVaapiImagePoolPrivate));
object_class->finalize = gst_vaapi_image_pool_finalize;
pool_class->set_caps = gst_vaapi_image_pool_set_caps;
pool_class->alloc_object = gst_vaapi_image_pool_alloc_object;
}
static void
gst_vaapi_image_pool_init(GstVaapiImagePool *pool)
{
GstVaapiImagePoolPrivate *priv = GST_VAAPI_IMAGE_POOL_GET_PRIVATE(pool);
pool->priv = priv;
priv->format = 0;
priv->width = 0;
priv->height = 0;
}
GstVaapiVideoPool *
gst_vaapi_image_pool_new(GstVaapiDisplay *display, GstCaps *caps)
{
return g_object_new(GST_VAAPI_TYPE_IMAGE_POOL,
"display", display,
"caps", caps,
NULL);
}

77
gst-libs/gst/vaapi/gstvaapiimagepool.h Normal file
View file

@ -0,0 +1,77 @@
/*
* gstvaapiimagepool.h - Gst VA image pool
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GST_VAAPI_IMAGE_POOL_H
#define GST_VAAPI_IMAGE_POOL_H
#include <gst/vaapi/gstvaapiimage.h>
#include <gst/vaapi/gstvaapivideopool.h>
G_BEGIN_DECLS
#define GST_VAAPI_TYPE_IMAGE_POOL \
(gst_vaapi_image_pool_get_type())
#define GST_VAAPI_IMAGE_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_IMAGE_POOL, \
GstVaapiImagePool))
#define GST_VAAPI_IMAGE_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_IMAGE_POOL, \
GstVaapiImagePoolClass))
#define GST_VAAPI_IS_IMAGE_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_IMAGE_POOL))
#define GST_VAAPI_IS_IMAGE_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_IMAGE_POOL))
#define GST_VAAPI_IMAGE_POOL_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_IMAGE_POOL, \
GstVaapiImagePoolClass))
typedef struct _GstVaapiImagePool GstVaapiImagePool;
typedef struct _GstVaapiImagePoolPrivate GstVaapiImagePoolPrivate;
typedef struct _GstVaapiImagePoolClass GstVaapiImagePoolClass;
struct _GstVaapiImagePool {
/*< private >*/
GstVaapiVideoPool parent_instance;
GstVaapiImagePoolPrivate *priv;
};
struct _GstVaapiImagePoolClass {
/*< private >*/
GstVaapiVideoPoolClass parent_class;
};
GType
gst_vaapi_image_pool_get_type(void);
GstVaapiVideoPool *
gst_vaapi_image_pool_new(GstVaapiDisplay *display, GstCaps *caps);
G_END_DECLS
#endif /* GST_VAAPI_IMAGE_POOL_H */

222
gst-libs/gst/vaapi/gstvaapisurfacepool.c
View file

@ -24,7 +24,10 @@
#define DEBUG 1
#include "vaapi_debug.h"
G_DEFINE_TYPE(GstVaapiSurfacePool, gst_vaapi_surface_pool, G_TYPE_OBJECT);
G_DEFINE_TYPE(
GstVaapiSurfacePool,
gst_vaapi_surface_pool,
GST_VAAPI_TYPE_VIDEO_POOL);
#define GST_VAAPI_SURFACE_POOL_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
@ -32,139 +35,59 @@ G_DEFINE_TYPE(GstVaapiSurfacePool, gst_vaapi_surface_pool, G_TYPE_OBJECT);
GstVaapiSurfacePoolPrivate))
struct _GstVaapiSurfacePoolPrivate {
GstVaapiDisplay *display;
GQueue free_surfaces;
GList *used_surfaces;
GstCaps *caps;
GstVaapiChromaType chroma_type;
guint width;
guint height;
};
enum {
PROP_0,
PROP_DISPLAY,
PROP_CAPS,
};
static void
gst_vaapi_surface_pool_clear(GstVaapiSurfacePool *pool)
gst_vaapi_surface_pool_set_caps(GstVaapiVideoPool *pool, GstCaps *caps)
{
GstVaapiSurfacePoolPrivate * const priv = pool->priv;
GstVaapiSurface *surface;
GList *list, *next;
GstVaapiSurfacePoolPrivate *priv = GST_VAAPI_SURFACE_POOL(pool)->priv;
GstStructure *structure;
gint width, height;
for (list = priv->used_surfaces; list; list = next) {
next = list->next;
g_object_unref(list->data);
g_list_free_1(list);
}
priv->used_surfaces = NULL;
structure = gst_caps_get_structure(caps, 0);
gst_structure_get_int(structure, "width", &width);
gst_structure_get_int(structure, "height", &height);
while ((surface = g_queue_pop_head(&priv->free_surfaces)))
g_object_unref(surface);
priv->chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
priv->width = width;
priv->height = height;
}
static void
gst_vaapi_surface_pool_destroy(GstVaapiSurfacePool *pool)
gpointer
gst_vaapi_surface_pool_alloc_object(
GstVaapiVideoPool *pool,
GstVaapiDisplay *display
)
{
GstVaapiSurfacePoolPrivate * const priv = pool->priv;
GstVaapiSurfacePoolPrivate *priv = GST_VAAPI_SURFACE_POOL(pool)->priv;
gst_vaapi_surface_pool_clear(pool);
if (priv->caps) {
gst_caps_unref(priv->caps);
priv->caps = NULL;
}
if (priv->display) {
g_object_unref(priv->display);
priv->display = NULL;
}
return gst_vaapi_surface_new(display,
priv->chroma_type,
priv->width,
priv->height);
}
static void
gst_vaapi_surface_pool_finalize(GObject *object)
{
gst_vaapi_surface_pool_destroy(GST_VAAPI_SURFACE_POOL(object));
G_OBJECT_CLASS(gst_vaapi_surface_pool_parent_class)->finalize(object);
}
static void
gst_vaapi_surface_pool_set_property(
GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec
)
{
GstVaapiSurfacePool * const pool = GST_VAAPI_SURFACE_POOL(object);
switch (prop_id) {
case PROP_DISPLAY:
pool->priv->display = g_object_ref(g_value_get_object(value));
break;
case PROP_CAPS:
gst_vaapi_surface_pool_set_caps(pool, g_value_get_pointer(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_surface_pool_get_property(
GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec
)
{
GstVaapiSurfacePool * const pool = GST_VAAPI_SURFACE_POOL(object);
switch (prop_id) {
case PROP_DISPLAY:
g_value_set_object(value, pool->priv->display);
break;
case PROP_CAPS:
g_value_set_pointer(value, gst_vaapi_surface_pool_get_caps(pool));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_surface_pool_class_init(GstVaapiSurfacePoolClass *klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
GstVaapiVideoPoolClass * const pool_class = GST_VAAPI_VIDEO_POOL_CLASS(klass);
g_type_class_add_private(klass, sizeof(GstVaapiSurfacePoolPrivate));
object_class->finalize = gst_vaapi_surface_pool_finalize;
object_class->set_property = gst_vaapi_surface_pool_set_property;
object_class->get_property = gst_vaapi_surface_pool_get_property;
g_object_class_install_property
(object_class,
PROP_DISPLAY,
g_param_spec_object("display",
"display",
"Gstreamer/VA display",
GST_VAAPI_TYPE_DISPLAY,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class,
PROP_CAPS,
g_param_spec_pointer("caps",
"surface caps",
"Surface caps",
G_PARAM_READWRITE));
pool_class->set_caps = gst_vaapi_surface_pool_set_caps;
pool_class->alloc_object = gst_vaapi_surface_pool_alloc_object;
}
static void
@ -173,17 +96,12 @@ gst_vaapi_surface_pool_init(GstVaapiSurfacePool *pool)
GstVaapiSurfacePoolPrivate *priv = GST_VAAPI_SURFACE_POOL_GET_PRIVATE(pool);
pool->priv = priv;
priv->display = NULL;
priv->used_surfaces = NULL;
priv->caps = NULL;
priv->chroma_type = 0;
priv->width = 0;
priv->height = 0;
g_queue_init(&priv->free_surfaces);
}
GstVaapiSurfacePool *
GstVaapiVideoPool *
gst_vaapi_surface_pool_new(GstVaapiDisplay *display, GstCaps *caps)
{
return g_object_new(GST_VAAPI_TYPE_SURFACE_POOL,
@ -191,87 +109,3 @@ gst_vaapi_surface_pool_new(GstVaapiDisplay *display, GstCaps *caps)
"caps", caps,
NULL);
}
GstCaps *
gst_vaapi_surface_pool_get_caps(GstVaapiSurfacePool *pool)
{
g_return_val_if_fail(GST_VAAPI_IS_SURFACE_POOL(pool), NULL);
return pool->priv->caps;
}
void
gst_vaapi_surface_pool_set_caps(GstVaapiSurfacePool *pool, GstCaps *caps)
{
GstVaapiSurfacePoolPrivate *priv;
GstStructure *structure;
gint width, height;
g_return_if_fail(GST_VAAPI_IS_SURFACE_POOL(pool));
g_return_if_fail(GST_IS_CAPS(caps));
priv = pool->priv;
structure = gst_caps_get_structure(caps, 0);
gst_structure_get_int(structure, "width", &width);
gst_structure_get_int(structure, "height", &height);
/* Don't do anything if caps have not changed */
if (width == priv->width && height == priv->height)
return;
gst_vaapi_surface_pool_clear(pool);
priv->caps = gst_caps_ref(caps);
priv->chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
priv->width = width;
priv->height = height;
}
GstVaapiSurface *
gst_vaapi_surface_pool_new_surface(GstVaapiSurfacePool *pool)
{
GstVaapiSurfacePoolPrivate *priv;
GstVaapiSurface *surface;
g_return_val_if_fail(GST_VAAPI_IS_SURFACE_POOL(pool), NULL);
priv = pool->priv;
surface = g_queue_pop_head(&priv->free_surfaces);
if (!surface) {
surface = gst_vaapi_surface_new(
priv->display,
priv->chroma_type,
priv->width,
priv->height
);
if (!surface)
return NULL;
}
priv->used_surfaces = g_list_prepend(priv->used_surfaces, surface);
return g_object_ref(surface);
}
void
gst_vaapi_surface_pool_free_surface(
GstVaapiSurfacePool *pool,
GstVaapiSurface *surface
)
{
GstVaapiSurfacePoolPrivate *priv;
GList *list;
g_return_if_fail(GST_VAAPI_IS_SURFACE_POOL(pool));
g_return_if_fail(GST_VAAPI_IS_SURFACE(surface));
priv = pool->priv;
list = g_list_find(priv->used_surfaces, surface);
if (!list)
return;
g_object_unref(surface);
priv->used_surfaces = g_list_delete_link(priv->used_surfaces, list);
g_queue_push_tail(&priv->free_surfaces, surface);
}

24
gst-libs/gst/vaapi/gstvaapisurfacepool.h
View file

@ -21,9 +21,8 @@
#ifndef GST_VAAPI_SURFACE_POOL_H
#define GST_VAAPI_SURFACE_POOL_H
#include <gst/gstcaps.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapisurface.h>
#include <gst/vaapi/gstvaapivideopool.h>
G_BEGIN_DECLS
@ -57,37 +56,22 @@ typedef struct _GstVaapiSurfacePoolClass GstVaapiSurfacePoolClass;
struct _GstVaapiSurfacePool {
/*< private >*/
GObject parent_instance;
GstVaapiVideoPool parent_instance;
GstVaapiSurfacePoolPrivate *priv;
};
struct _GstVaapiSurfacePoolClass {
/*< private >*/
GObjectClass parent_class;
GstVaapiVideoPoolClass parent_class;
};
GType
gst_vaapi_surface_pool_get_type(void);
GstVaapiSurfacePool *
GstVaapiVideoPool *
gst_vaapi_surface_pool_new(GstVaapiDisplay *display, GstCaps *caps);
GstCaps *
gst_vaapi_surface_pool_get_caps(GstVaapiSurfacePool *pool);
void
gst_vaapi_surface_pool_set_caps(GstVaapiSurfacePool *pool, GstCaps *caps);
GstVaapiSurface *
gst_vaapi_surface_pool_new_surface(GstVaapiSurfacePool *pool);
void
gst_vaapi_surface_pool_free_surface(
GstVaapiSurfacePool *pool,
GstVaapiSurface *surface
);
G_END_DECLS
#endif /* GST_VAAPI_SURFACE_POOL_H */

249
gst-libs/gst/vaapi/gstvaapivideopool.c Normal file
View file

@ -0,0 +1,249 @@
/*
* gstvaapivideopool.c - Video object pool abstraction
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "gstvaapivideopool.h"
#define DEBUG 1
#include "vaapi_debug.h"
G_DEFINE_TYPE(GstVaapiVideoPool, gst_vaapi_video_pool, G_TYPE_OBJECT);
#define GST_VAAPI_VIDEO_POOL_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
GST_VAAPI_TYPE_VIDEO_POOL, \
GstVaapiVideoPoolPrivate))
struct _GstVaapiVideoPoolPrivate {
GstVaapiDisplay *display;
GQueue free_objects;
GList *used_objects;
GstCaps *caps;
};
enum {
PROP_0,
PROP_DISPLAY,
PROP_CAPS,
};
static void
gst_vaapi_video_pool_set_caps(GstVaapiVideoPool *pool, GstCaps *caps);
static void
gst_vaapi_video_pool_clear(GstVaapiVideoPool *pool)
{
GstVaapiVideoPoolPrivate * const priv = pool->priv;
gpointer object;
GList *list, *next;
for (list = priv->used_objects; list; list = next) {
next = list->next;
g_object_unref(list->data);
g_list_free_1(list);
}
priv->used_objects = NULL;
while ((object = g_queue_pop_head(&priv->free_objects)))
g_object_unref(object);
}
static void
gst_vaapi_video_pool_destroy(GstVaapiVideoPool *pool)
{
GstVaapiVideoPoolPrivate * const priv = pool->priv;
gst_vaapi_video_pool_clear(pool);
if (priv->caps) {
gst_caps_unref(priv->caps);
priv->caps = NULL;
}
if (priv->display) {
g_object_unref(priv->display);
priv->display = NULL;
}
}
static void
gst_vaapi_video_pool_finalize(GObject *object)
{
gst_vaapi_video_pool_destroy(GST_VAAPI_VIDEO_POOL(object));
G_OBJECT_CLASS(gst_vaapi_video_pool_parent_class)->finalize(object);
}
static void
gst_vaapi_video_pool_set_property(
GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec
)
{
GstVaapiVideoPool * const pool = GST_VAAPI_VIDEO_POOL(object);
switch (prop_id) {
case PROP_DISPLAY:
pool->priv->display = g_object_ref(g_value_get_object(value));
break;
case PROP_CAPS:
gst_vaapi_video_pool_set_caps(pool, g_value_get_pointer(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_video_pool_get_property(
GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec
)
{
GstVaapiVideoPool * const pool = GST_VAAPI_VIDEO_POOL(object);
switch (prop_id) {
case PROP_DISPLAY:
g_value_set_object(value, pool->priv->display);
break;
case PROP_CAPS:
g_value_set_pointer(value, gst_vaapi_video_pool_get_caps(pool));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_video_pool_class_init(GstVaapiVideoPoolClass *klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
g_type_class_add_private(klass, sizeof(GstVaapiVideoPoolPrivate));
object_class->finalize = gst_vaapi_video_pool_finalize;
object_class->set_property = gst_vaapi_video_pool_set_property;
object_class->get_property = gst_vaapi_video_pool_get_property;
g_object_class_install_property
(object_class,
PROP_DISPLAY,
g_param_spec_object("display",
"display",
"Gstreamer/VA display",
GST_VAAPI_TYPE_DISPLAY,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class,
PROP_CAPS,
g_param_spec_pointer("caps",
"caps",
"Caps",
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
}
static void
gst_vaapi_video_pool_init(GstVaapiVideoPool *pool)
{
GstVaapiVideoPoolPrivate *priv = GST_VAAPI_VIDEO_POOL_GET_PRIVATE(pool);
pool->priv = priv;
priv->display = NULL;
priv->used_objects = NULL;
priv->caps = NULL;
g_queue_init(&priv->free_objects);
}
GstVaapiVideoPool *
gst_vaapi_video_pool_new(GstVaapiDisplay *display, GstCaps *caps)
{
return g_object_new(GST_VAAPI_TYPE_VIDEO_POOL,
"display", display,
"caps", caps,
NULL);
}
GstCaps *
gst_vaapi_video_pool_get_caps(GstVaapiVideoPool *pool)
{
g_return_val_if_fail(GST_VAAPI_IS_VIDEO_POOL(pool), NULL);
return pool->priv->caps;
}
void
gst_vaapi_video_pool_set_caps(GstVaapiVideoPool *pool, GstCaps *caps)
{
GstVaapiVideoPoolClass * const klass = GST_VAAPI_VIDEO_POOL_GET_CLASS(pool);
pool->priv->caps = gst_caps_ref(caps);
if (klass->set_caps)
klass->set_caps(pool, caps);
}
gpointer
gst_vaapi_video_pool_get_object(GstVaapiVideoPool *pool)
{
gpointer object;
g_return_val_if_fail(GST_VAAPI_IS_VIDEO_POOL(pool), NULL);
object = g_queue_pop_head(&pool->priv->free_objects);
if (!object) {
object = GST_VAAPI_VIDEO_POOL_GET_CLASS(pool)->alloc_object(
pool,
pool->priv->display
);
if (!object)
return NULL;
}
pool->priv->used_objects = g_list_prepend(pool->priv->used_objects, object);
return g_object_ref(object);
}
void
gst_vaapi_video_pool_put_object(GstVaapiVideoPool *pool, gpointer object)
{
GstVaapiVideoPoolPrivate *priv;
GList *elem;
g_return_if_fail(GST_VAAPI_IS_VIDEO_POOL(pool));
g_return_if_fail(G_IS_OBJECT(object));
priv = pool->priv;
elem = g_list_find(priv->used_objects, object);
if (!elem)
return;
g_object_unref(object);
priv->used_objects = g_list_delete_link(priv->used_objects, elem);
g_queue_push_tail(&priv->free_objects, object);
}

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gst-libs/gst/vaapi/gstvaapivideopool.h Normal file
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/*
* gstvaapivideopool.h - Video object pool abstraction
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GST_VAAPI_VIDEO_POOL_H
#define GST_VAAPI_VIDEO_POOL_H
#include <gst/gstcaps.h>
#include <gst/vaapi/gstvaapidisplay.h>
G_BEGIN_DECLS
#define GST_VAAPI_TYPE_VIDEO_POOL \
(gst_vaapi_video_pool_get_type())
#define GST_VAAPI_VIDEO_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_VIDEO_POOL, \
GstVaapiVideoPool))
#define GST_VAAPI_VIDEO_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_VIDEO_POOL, \
GstVaapiVideoPoolClass))
#define GST_VAAPI_IS_VIDEO_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_VIDEO_POOL))
#define GST_VAAPI_IS_VIDEO_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_VIDEO_POOL))
#define GST_VAAPI_VIDEO_POOL_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_VIDEO_POOL, \
GstVaapiVideoPoolClass))
typedef struct _GstVaapiVideoPool GstVaapiVideoPool;
typedef struct _GstVaapiVideoPoolPrivate GstVaapiVideoPoolPrivate;
typedef struct _GstVaapiVideoPoolClass GstVaapiVideoPoolClass;
struct _GstVaapiVideoPool {
/*< private >*/
GObject parent_instance;
GstVaapiVideoPoolPrivate *priv;
};
struct _GstVaapiVideoPoolClass {
/*< private >*/
GObjectClass parent_class;
void (*set_caps) (GstVaapiVideoPool *pool, GstCaps *caps);
gpointer (*alloc_object)(GstVaapiVideoPool *pool, GstVaapiDisplay *display);
};
GType
gst_vaapi_video_pool_get_type(void);
GstCaps *
gst_vaapi_video_pool_get_caps(GstVaapiVideoPool *pool);
gpointer
gst_vaapi_video_pool_get_object(GstVaapiVideoPool *pool);
void
gst_vaapi_video_pool_put_object(GstVaapiVideoPool *pool, gpointer object);
G_END_DECLS
#endif /* GST_VAAPI_VIDEO_POOL_H */