mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 17:20:36 +00:00
132 lines
3.8 KiB
C
132 lines
3.8 KiB
C
/*
|
|
* 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_context_ref (context);
|
|
pool->buf_size = buf_size;
|
|
}
|
|
|
|
static void
|
|
coded_buffer_pool_finalize (GstVaapiCodedBufferPool * pool)
|
|
{
|
|
gst_vaapi_video_pool_finalize (GST_VAAPI_VIDEO_POOL (pool));
|
|
gst_vaapi_context_unref (pool->context);
|
|
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_CONTEXT_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;
|
|
}
|