gstreamer/gst-libs/gst/vaapi/gstvaapicodec_objects.c

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/*
* gstvaapicodec_objects.c - VA codec objects abstraction
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2011-2012 Intel Corporation
*
* 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 <string.h>
#include <gst/vaapi/gstvaapicontext.h>
#include "gstvaapicodec_objects.h"
#include "gstvaapidecoder_priv.h"
#include "gstvaapicompat.h"
#include "gstvaapiutils.h"
#define DEBUG 1
#include "gstvaapidebug.h"
/* ------------------------------------------------------------------------- */
/* --- Base Codec Object --- */
/* ------------------------------------------------------------------------- */
G_DEFINE_TYPE(GstVaapiCodecObject, gst_vaapi_codec_object, GST_TYPE_MINI_OBJECT)
static void
gst_vaapi_codec_object_finalize(GstMiniObject *object)
{
GstVaapiCodecObject * const obj = GST_VAAPI_CODEC_OBJECT(object);
obj->codec = NULL;
}
static void
gst_vaapi_codec_object_init(GstVaapiCodecObject *obj)
{
obj->codec = NULL;
}
static gboolean
gst_vaapi_codec_object_create(
GstVaapiCodecObject *obj,
const GstVaapiCodecObjectConstructorArgs *args
)
{
obj->codec = args->codec;
return TRUE;
}
static void
gst_vaapi_codec_object_class_init(GstVaapiCodecObjectClass *klass)
{
GstMiniObjectClass * const object_class = GST_MINI_OBJECT_CLASS(klass);
object_class->finalize = gst_vaapi_codec_object_finalize;
klass->construct = gst_vaapi_codec_object_create;
}
GstVaapiCodecObject *
gst_vaapi_codec_object_new(
GType type,
GstVaapiCodecBase *codec,
gconstpointer param,
guint param_size,
gconstpointer data,
guint data_size
)
{
GstMiniObject *obj;
GstVaapiCodecObject *va_obj;
GstVaapiCodecObjectConstructorArgs args;
obj = gst_mini_object_new(type);
if (!obj)
return NULL;
va_obj = GST_VAAPI_CODEC_OBJECT(obj);
args.codec = codec;
args.param = param;
args.param_size = param_size;
args.data = data;
args.data_size = data_size;
if (gst_vaapi_codec_object_construct(va_obj, &args))
return va_obj;
gst_mini_object_unref(obj);
return NULL;
}
gboolean
gst_vaapi_codec_object_construct(
GstVaapiCodecObject *obj,
const GstVaapiCodecObjectConstructorArgs *args
)
{
GstVaapiCodecObjectClass *klass;
g_return_val_if_fail(GST_VAAPI_CODEC_OBJECT(obj), FALSE);
g_return_val_if_fail(args->codec != NULL, FALSE);
g_return_val_if_fail(args->param_size > 0, FALSE);
if (GST_MINI_OBJECT_FLAG_IS_SET(obj, GST_VAAPI_CODEC_OBJECT_FLAG_CONSTRUCTED))
return TRUE;
klass = GST_VAAPI_CODEC_OBJECT_GET_CLASS(obj);
if (!klass || !klass->construct || !klass->construct(obj, args))
return FALSE;
GST_MINI_OBJECT_FLAG_SET(obj, GST_VAAPI_CODEC_OBJECT_FLAG_CONSTRUCTED);
return TRUE;
}
#define GET_DECODER(obj) GST_VAAPI_DECODER_CAST((obj)->parent_instance.codec)
#define GET_CONTEXT(obj) GET_DECODER(obj)->priv->context
#define GET_VA_DISPLAY(obj) GET_DECODER(obj)->priv->va_display
#define GET_VA_CONTEXT(obj) GET_DECODER(obj)->priv->va_context
/* ------------------------------------------------------------------------- */
/* --- Inverse Quantization Matrices --- */
/* ------------------------------------------------------------------------- */
GST_VAAPI_CODEC_DEFINE_TYPE(GstVaapiIqMatrix,
gst_vaapi_iq_matrix,
GST_VAAPI_TYPE_CODEC_OBJECT)
static void
gst_vaapi_iq_matrix_destroy(GstVaapiIqMatrix *iq_matrix)
{
vaapi_destroy_buffer(GET_VA_DISPLAY(iq_matrix), &iq_matrix->param_id);
iq_matrix->param = NULL;
}
static gboolean
gst_vaapi_iq_matrix_create(
GstVaapiIqMatrix *iq_matrix,
const GstVaapiCodecObjectConstructorArgs *args
)
{
return vaapi_create_buffer(GET_VA_DISPLAY(iq_matrix),
GET_VA_CONTEXT(iq_matrix),
VAIQMatrixBufferType,
args->param_size,
args->param,
&iq_matrix->param_id,
&iq_matrix->param);
}
static void
gst_vaapi_iq_matrix_init(GstVaapiIqMatrix *iq_matrix)
{
iq_matrix->param = NULL;
iq_matrix->param_id = VA_INVALID_ID;
}
GstVaapiIqMatrix *
gst_vaapi_iq_matrix_new(
GstVaapiDecoder *decoder,
gconstpointer param,
guint param_size
)
{
GstVaapiCodecObject *object;
g_return_val_if_fail(GST_VAAPI_IS_DECODER(decoder), NULL);
object = gst_vaapi_codec_object_new(
GST_VAAPI_TYPE_IQ_MATRIX,
GST_VAAPI_CODEC_BASE(decoder),
param, param_size,
NULL, 0
);
if (!object)
return NULL;
return GST_VAAPI_IQ_MATRIX_CAST(object);
}
/* ------------------------------------------------------------------------- */
/* --- VC-1 Bit Planes --- */
/* ------------------------------------------------------------------------- */
GST_VAAPI_CODEC_DEFINE_TYPE(GstVaapiBitPlane,
gst_vaapi_bitplane,
GST_VAAPI_TYPE_CODEC_OBJECT)
static void
gst_vaapi_bitplane_destroy(GstVaapiBitPlane *bitplane)
{
vaapi_destroy_buffer(GET_VA_DISPLAY(bitplane), &bitplane->data_id);
bitplane->data = NULL;
}
static gboolean
gst_vaapi_bitplane_create(
GstVaapiBitPlane *bitplane,
const GstVaapiCodecObjectConstructorArgs *args
)
{
return vaapi_create_buffer(GET_VA_DISPLAY(bitplane),
GET_VA_CONTEXT(bitplane),
VABitPlaneBufferType,
args->param_size,
args->param,
&bitplane->data_id,
(void **)&bitplane->data);
}
static void
gst_vaapi_bitplane_init(GstVaapiBitPlane *bitplane)
{
bitplane->data = NULL;
bitplane->data_id = VA_INVALID_ID;
}
GstVaapiBitPlane *
gst_vaapi_bitplane_new(GstVaapiDecoder *decoder, guint8 *data, guint data_size)
{
GstVaapiCodecObject *object;
g_return_val_if_fail(GST_VAAPI_IS_DECODER(decoder), NULL);
object = gst_vaapi_codec_object_new(
GST_VAAPI_TYPE_BITPLANE,
GST_VAAPI_CODEC_BASE(decoder),
data, data_size,
NULL, 0
);
if (!object)
return NULL;
return GST_VAAPI_BITPLANE_CAST(object);
}