mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 01:30:38 +00:00
138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstvdpvideobuffer.h"
|
|
|
|
|
|
void
|
|
gst_vdp_video_buffer_add_reference (GstVdpVideoBuffer * buffer,
|
|
GstVdpVideoBuffer * buf)
|
|
{
|
|
g_assert (GST_IS_VDP_VIDEO_BUFFER (buffer));
|
|
g_assert (GST_IS_VDP_VIDEO_BUFFER (buf));
|
|
|
|
gst_buffer_ref (GST_BUFFER (buf));
|
|
buffer->refs = g_slist_prepend (buffer->refs, buf);
|
|
}
|
|
|
|
GstVdpVideoBuffer *
|
|
gst_vdp_video_buffer_new (GstVdpDevice * device, VdpChromaType chroma_type,
|
|
gint width, gint height)
|
|
{
|
|
GstVdpVideoBuffer *buffer;
|
|
VdpStatus status;
|
|
VdpVideoSurface surface;
|
|
|
|
status = device->vdp_video_surface_create (device->device, chroma_type, width,
|
|
height, &surface);
|
|
if (status != VDP_STATUS_OK) {
|
|
GST_ERROR ("Couldn't create a VdpVideoSurface, error returned was: %s",
|
|
device->vdp_get_error_string (status));
|
|
return NULL;
|
|
}
|
|
|
|
buffer =
|
|
(GstVdpVideoBuffer *) gst_mini_object_new (GST_TYPE_VDP_VIDEO_BUFFER);
|
|
|
|
buffer->device = g_object_ref (device);
|
|
buffer->surface = surface;
|
|
|
|
return buffer;
|
|
}
|
|
|
|
static GObjectClass *gst_vdp_video_buffer_parent_class;
|
|
|
|
static void
|
|
gst_vdp_video_buffer_finalize (GstVdpVideoBuffer * buffer)
|
|
{
|
|
GSList *iter;
|
|
GstVdpDevice *device;
|
|
VdpStatus status;
|
|
|
|
device = buffer->device;
|
|
|
|
status = device->vdp_video_surface_destroy (buffer->surface);
|
|
if (status != VDP_STATUS_OK)
|
|
GST_ERROR
|
|
("Couldn't destroy the buffers VdpVideoSurface, error returned was: %s",
|
|
device->vdp_get_error_string (status));
|
|
|
|
g_object_unref (buffer->device);
|
|
|
|
for (iter = buffer->refs; iter; iter = g_slist_next (iter)) {
|
|
GstBuffer *buf;
|
|
|
|
buf = (GstBuffer *) (iter->data);
|
|
gst_buffer_unref (buf);
|
|
}
|
|
g_slist_free (buffer->refs);
|
|
|
|
GST_MINI_OBJECT_CLASS (gst_vdp_video_buffer_parent_class)->finalize
|
|
(GST_MINI_OBJECT (buffer));
|
|
}
|
|
|
|
static void
|
|
gst_vdp_video_buffer_init (GstVdpVideoBuffer * buffer, gpointer g_class)
|
|
{
|
|
buffer->device = NULL;
|
|
buffer->surface = VDP_INVALID_HANDLE;
|
|
|
|
buffer->refs = NULL;
|
|
}
|
|
|
|
static void
|
|
gst_vdp_video_buffer_class_init (gpointer g_class, gpointer class_data)
|
|
{
|
|
GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
|
|
|
|
gst_vdp_video_buffer_parent_class = g_type_class_peek_parent (g_class);
|
|
|
|
mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
|
|
gst_vdp_video_buffer_finalize;
|
|
}
|
|
|
|
|
|
GType
|
|
gst_vdp_video_buffer_get_type (void)
|
|
{
|
|
static GType _gst_vdp_video_buffer_type;
|
|
|
|
if (G_UNLIKELY (_gst_vdp_video_buffer_type == 0)) {
|
|
static const GTypeInfo info = {
|
|
sizeof (GstBufferClass),
|
|
NULL,
|
|
NULL,
|
|
gst_vdp_video_buffer_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstVdpVideoBuffer),
|
|
0,
|
|
(GInstanceInitFunc) gst_vdp_video_buffer_init,
|
|
NULL
|
|
};
|
|
_gst_vdp_video_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
|
|
"GstVdpVideoBuffer", &info, 0);
|
|
}
|
|
return _gst_vdp_video_buffer_type;
|
|
}
|