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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
* gst-plugins-bad
* Copyright (C) Carl-Anton Ingmarsson 2010 <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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "gstvdpdevice.h"
#include "gstvdpvideobuffer.h"
#include "gstvdpvideobufferpool.h"
struct _GstVdpVideoBufferPool
{
GstVdpBufferPool buffer_pool;
VdpChromaType chroma_type;
guint width, height;
};
G_DEFINE_TYPE (GstVdpVideoBufferPool, gst_vdp_video_buffer_pool,
GST_TYPE_VDP_BUFFER_POOL);
GstVdpBufferPool *
gst_vdp_video_buffer_pool_new (GstVdpDevice * device)
{
g_return_val_if_fail (GST_IS_VDP_DEVICE (device), NULL);
return g_object_new (GST_TYPE_VDP_VIDEO_BUFFER_POOL, "device", device, NULL);
}
static gboolean
parse_caps (const GstCaps * caps, VdpChromaType * chroma_type, gint * width,
gint * height)
{
GstStructure *structure;
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "chroma-type", (gint *) chroma_type))
return FALSE;
if (!gst_structure_get_int (structure, "width", width))
return FALSE;
if (!gst_structure_get_int (structure, "height", height))
return FALSE;
return TRUE;
}
static gboolean
gst_vdp_video_buffer_pool_check_caps (GstVdpBufferPool * bpool,
const GstCaps * caps)
{
GstVdpVideoBufferPool *vpool = GST_VDP_VIDEO_BUFFER_POOL (bpool);
VdpChromaType chroma_type;
gint width, height;
if (!parse_caps (caps, &chroma_type, &width, &height))
return FALSE;
if (chroma_type != vpool->chroma_type || width != vpool->width ||
height != vpool->height)
return FALSE;
return TRUE;
}
static gboolean
gst_vdp_video_buffer_pool_set_caps (GstVdpBufferPool * bpool,
const GstCaps * caps, gboolean * clear_bufs)
{
GstVdpVideoBufferPool *vpool = GST_VDP_VIDEO_BUFFER_POOL (bpool);
VdpChromaType chroma_type;
gint width, height;
if (!parse_caps (caps, &chroma_type, &width, &height))
return FALSE;
if (chroma_type != vpool->chroma_type || width != vpool->width ||
height != vpool->height)
*clear_bufs = TRUE;
else
*clear_bufs = FALSE;
vpool->chroma_type = chroma_type;
vpool->width = width;
vpool->height = height;
return TRUE;
}
static GstVdpBuffer *
gst_vdp_video_buffer_pool_alloc_buffer (GstVdpBufferPool * bpool,
GError ** error)
{
GstVdpVideoBufferPool *vpool = GST_VDP_VIDEO_BUFFER_POOL (bpool);
GstVdpDevice *device;
device = gst_vdp_buffer_pool_get_device (bpool);
return GST_VDP_BUFFER_CAST (gst_vdp_video_buffer_new (device,
vpool->chroma_type, vpool->width, vpool->height, error));
}
static void
gst_vdp_video_buffer_pool_finalize (GObject * object)
{
/* TODO: Add deinitalization code here */
G_OBJECT_CLASS (gst_vdp_video_buffer_pool_parent_class)->finalize (object);
}
static void
gst_vdp_video_buffer_pool_init (GstVdpVideoBufferPool * vpool)
{
vpool->chroma_type = -1;
vpool->width = 0;
vpool->height = 0;
}
static void
gst_vdp_video_buffer_pool_class_init (GstVdpVideoBufferPoolClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstVdpBufferPoolClass *buffer_pool_class = GST_VDP_BUFFER_POOL_CLASS (klass);
buffer_pool_class->alloc_buffer = gst_vdp_video_buffer_pool_alloc_buffer;
buffer_pool_class->set_caps = gst_vdp_video_buffer_pool_set_caps;
buffer_pool_class->check_caps = gst_vdp_video_buffer_pool_check_caps;
object_class->finalize = gst_vdp_video_buffer_pool_finalize;
}
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