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/*
* gstvaapicodedbufferpool.c - VA coded buffer pool
*
* Copyright (C) 2013-2014 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
*/
#include "sysdeps.h"
#include "gstvaapicodedbufferpool.h"
#include "gstvaapicodedbuffer_priv.h"
#include "gstvaapivideopool_priv.h"
#include "gstvaapiencoder_priv.h"
#define DEBUG 1
#include "gstvaapidebug.h"
/**
* GstVaapiCodedBufferPool:
*
* A pool of lazily allocated #GstVaapiCodedBuffer objects.
*/
struct _GstVaapiCodedBufferPool
{
/*< private > */
GstVaapiVideoPool parent_instance;
GstVaapiContext *context;
gsize buf_size;
};
static void
coded_buffer_pool_init (GstVaapiCodedBufferPool * pool,
GstVaapiContext * context, gsize buf_size)
{
pool->context = gst_vaapi_object_ref (context);
pool->buf_size = buf_size;
}
static void
coded_buffer_pool_finalize (GstVaapiCodedBufferPool * pool)
{
gst_vaapi_object_replace (&pool->context, NULL);
}
static gpointer
coded_buffer_pool_alloc_object (GstVaapiVideoPool * base_pool)
{
GstVaapiCodedBufferPool *const pool = GST_VAAPI_CODED_BUFFER_POOL (base_pool);
return gst_vaapi_coded_buffer_new (pool->context, pool->buf_size);
}
static inline const GstVaapiMiniObjectClass *
gst_vaapi_coded_buffer_pool_class (void)
{
static const GstVaapiVideoPoolClass GstVaapiCodedBufferPoolClass = {
{ sizeof (GstVaapiCodedBufferPool),
(GDestroyNotify)coded_buffer_pool_finalize },
.alloc_object = coded_buffer_pool_alloc_object
};
return GST_VAAPI_MINI_OBJECT_CLASS (&GstVaapiCodedBufferPoolClass);
}
/**
* gst_vaapi_coded_buffer_pool_new:
* @encoder: a #GstVaapiEncoder
* @buf_size: the max size of #GstVaapiCodedBuffer objects, in bytes
*
* Creates a new #GstVaapiVideoPool of #GstVaapiCodedBuffer objects
* with the supplied maximum size in bytes, and bound to the specified
* @encoder object.
*
* Return value: the newly allocated #GstVaapiVideoPool
*/
GstVaapiVideoPool *
gst_vaapi_coded_buffer_pool_new (GstVaapiEncoder * encoder, gsize buf_size)
{
GstVaapiVideoPool *pool;
GstVaapiContext *context;
g_return_val_if_fail (encoder != NULL, NULL);
g_return_val_if_fail (buf_size > 0, NULL);
context = GST_VAAPI_ENCODER_CONTEXT (encoder);
g_return_val_if_fail (context != NULL, NULL);
pool = (GstVaapiVideoPool *)
gst_vaapi_mini_object_new (gst_vaapi_coded_buffer_pool_class ());
if (!pool)
return NULL;
gst_vaapi_video_pool_init (pool, GST_VAAPI_OBJECT_DISPLAY (context),
GST_VAAPI_VIDEO_POOL_OBJECT_TYPE_CODED_BUFFER);
coded_buffer_pool_init (GST_VAAPI_CODED_BUFFER_POOL (pool),
context, buf_size);
return pool;
}
/**
* gst_vaapi_coded_buffer_pool_get_buffer_size:
* @pool: a #GstVaapiCodedBufferPool
*
* Determines the maximum size of each #GstVaapiCodedBuffer held in
* the @pool.
*
* Return value: size of a #GstVaapiCodedBuffer in @pool
*/
gsize
gst_vaapi_coded_buffer_pool_get_buffer_size (GstVaapiCodedBufferPool * pool)
{
g_return_val_if_fail (pool != NULL, 0);
return pool->buf_size;
}
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