gstreamer/gst-libs/gst/vaapi/gstvaapicodec_objects.h
Wind Yuan 75e8a7d6f8 Add initial JPEG decoder.
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-04-11 19:38:12 +02:00

396 lines
15 KiB
C

/*
* gstvaapicodec_objects.h - 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
*/
#ifndef GST_VAAPI_CODEC_COMMON_H
#define GST_VAAPI_CODEC_COMMON_H
#include <gst/gstminiobject.h>
#include <gst/vaapi/gstvaapidecoder.h>
G_BEGIN_DECLS
typedef gpointer GstVaapiCodecBase;
typedef struct _GstVaapiCodecObject GstVaapiCodecObject;
typedef struct _GstVaapiCodecObjectClass GstVaapiCodecObjectClass;
typedef struct _GstVaapiIqMatrix GstVaapiIqMatrix;
typedef struct _GstVaapiIqMatrixClass GstVaapiIqMatrixClass;
typedef struct _GstVaapiBitPlane GstVaapiBitPlane;
typedef struct _GstVaapiBitPlaneClass GstVaapiBitPlaneClass;
typedef struct _GstVaapiHuffmanTable GstVaapiHuffmanTable;
typedef struct _GstVaapiHuffmanTableClass GstVaapiHuffmanTableClass;
/* ------------------------------------------------------------------------- */
/* --- Base Codec Object --- */
/* ------------------------------------------------------------------------- */
/* XXX: remove when a common base class for decoder and encoder is available */
#define GST_VAAPI_CODEC_BASE(obj) \
((GstVaapiCodecBase *)(obj))
#define GST_VAAPI_TYPE_CODEC_OBJECT \
(gst_vaapi_codec_object_get_type())
#define GST_VAAPI_CODEC_OBJECT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_CODEC_OBJECT, \
GstVaapiCodecObject))
#define GST_VAAPI_CODEC_OBJECT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_CODEC_OBJECT, \
GstVaapiCodecObjectClass))
#define GST_VAAPI_IS_CODEC_OBJECT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_CODEC_OBJECT))
#define GST_VAAPI_IS_CODEC_OBJECT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_CODEC_OBJECT))
#define GST_VAAPI_CODEC_OBJECT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_CODEC_OBJECT, \
GstVaapiCodecObjectClass))
enum {
GST_VAAPI_CODEC_OBJECT_FLAG_CONSTRUCTED = (GST_MINI_OBJECT_FLAG_LAST << 0),
GST_VAAPI_CODEC_OBJECT_FLAG_LAST = (GST_MINI_OBJECT_FLAG_LAST << 1)
};
typedef struct {
GstVaapiCodecObject *obj;
GstVaapiCodecBase *codec;
gconstpointer param;
guint param_size;
gconstpointer data;
guint data_size;
guint flags;
} GstVaapiCodecObjectConstructorArgs;
/**
* GstVaapiCodecObject:
*
* A #GstMiniObject holding the base codec object data
*/
struct _GstVaapiCodecObject {
/*< private >*/
GstMiniObject parent_instance;
GstVaapiCodecBase *codec;
};
/**
* GstVaapiCodecObjectClass:
*
* The #GstVaapiCodecObject base class.
*/
struct _GstVaapiCodecObjectClass {
/*< private >*/
GstMiniObjectClass parent_class;
gboolean (*construct) (GstVaapiCodecObject *obj,
const GstVaapiCodecObjectConstructorArgs *args);
};
GType
gst_vaapi_codec_object_get_type(void)
attribute_hidden;
GstVaapiCodecObject *
gst_vaapi_codec_object_new(
GType type,
GstVaapiCodecBase *codec,
gconstpointer param,
guint param_size,
gconstpointer data,
guint data_size
) attribute_hidden;
gboolean
gst_vaapi_codec_object_construct(
GstVaapiCodecObject *obj,
const GstVaapiCodecObjectConstructorArgs *args
) attribute_hidden;
/* ------------------------------------------------------------------------- */
/* --- Inverse Quantization Matrices --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_TYPE_IQ_MATRIX \
(gst_vaapi_iq_matrix_get_type())
#define GST_VAAPI_IQ_MATRIX_CAST(obj) \
((GstVaapiIqMatrix *)(obj))
#define GST_VAAPI_IQ_MATRIX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_IQ_MATRIX, \
GstVaapiIqMatrix))
#define GST_VAAPI_IQ_MATRIX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_IQ_MATRIX, \
GstVaapiIqMatrixClass))
#define GST_VAAPI_IS_IQ_MATRIX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_IQ_MATRIX))
#define GST_VAAPI_IS_IQ_MATRIX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_IQ_MATRIX))
#define GST_VAAPI_IQ_MATRIX_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_IQ_MATRIX, \
GstVaapiIqMatrixClass))
/**
* GstVaapiIqMatrix:
*
* A #GstVaapiCodecObject holding an inverse quantization matrix parameter.
*/
struct _GstVaapiIqMatrix {
/*< private >*/
GstVaapiCodecObject parent_instance;
VABufferID param_id;
/*< public >*/
gpointer param;
};
/**
* GstVaapiIqMatrixClass:
*
* The #GstVaapiIqMatrix base class.
*/
struct _GstVaapiIqMatrixClass {
/*< private >*/
GstVaapiCodecObjectClass parent_class;
};
GType
gst_vaapi_iq_matrix_get_type(void)
attribute_hidden;
GstVaapiIqMatrix *
gst_vaapi_iq_matrix_new(
GstVaapiDecoder *decoder,
gconstpointer param,
guint param_size
) attribute_hidden;
/* ------------------------------------------------------------------------- */
/* --- VC-1 Bit Planes --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_TYPE_BITPLANE \
(gst_vaapi_bitplane_get_type())
#define GST_VAAPI_BITPLANE_CAST(obj) \
((GstVaapiBitPlane *)(obj))
#define GST_VAAPI_BITPLANE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_BITPLANE, \
GstVaapiBitPlane))
#define GST_VAAPI_BITPLANE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_BITPLANE, \
GstVaapiBitPlaneClass))
#define GST_VAAPI_IS_BITPLANE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_BITPLANE))
#define GST_VAAPI_IS_BITPLANE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_BITPLANE))
#define GST_VAAPI_BITPLANE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_BITPLANE, \
GstVaapiBitPlaneClass))
/**
* GstVaapiBitPlane:
*
* A #GstVaapiCodecObject holding a VC-1 bit plane parameter.
*/
struct _GstVaapiBitPlane {
/*< private >*/
GstVaapiCodecObject parent_instance;
VABufferID data_id;
/*< public >*/
guint8 *data;
};
/**
* GstVaapiBitPlaneClass:
*
* The #GstVaapiBitPlane base class.
*/
struct _GstVaapiBitPlaneClass {
/*< private >*/
GstVaapiCodecObjectClass parent_class;
};
GType
gst_vaapi_bitplane_get_type(void)
attribute_hidden;
GstVaapiBitPlane *
gst_vaapi_bitplane_new(GstVaapiDecoder *decoder, guint8 *data, guint data_size)
attribute_hidden;
/* ------------------------------------------------------------------------- */
/* --- JPEG Huffman Tables --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_TYPE_HUFFMAN_TABLE \
(gst_vaapi_huffman_table_get_type())
#define GST_VAAPI_HUFFMAN_TABLE_CAST(obj) \
((GstVaapiHuffmanTable *)(obj))
#define GST_VAAPI_HUFFMAN_TABLE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_HUFFMAN_TABLE, \
GstVaapiHuffmanTable))
#define GST_VAAPI_HUFFMAN_TABLE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_HUFFMAN_TABLE, \
GstVaapiHuffmanTableClass))
#define GST_VAAPI_IS_HUFFMAN_TABLE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_HUFFMAN_TABLE))
#define GST_VAAPI_IS_HUFFMAN_TABLE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_HUFFMAN_TABLE))
#define GST_VAAPI_HUFFMAN_TABLE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_HUFFMAN_TABLE, \
GstVaapiHuffmanTableClass))
/**
* GstVaapiHuffmanTable:
*
* A #GstVaapiCodecObject holding huffman table.
*/
struct _GstVaapiHuffmanTable {
/*< private >*/
GstVaapiCodecObject parent_instance;
VABufferID param_id;
/*< public >*/
gpointer param;
};
/**
* GstVaapiHuffmanTableClass:
*
* The #GstVaapiHuffmanTable base class.
*/
struct _GstVaapiHuffmanTableClass {
/*< private >*/
GstVaapiCodecObjectClass parent_class;
};
GType
gst_vaapi_huffman_table_get_type(void)
attribute_hidden;
GstVaapiHuffmanTable *
gst_vaapi_huffman_table_new(
GstVaapiDecoder *decoder,
guint8 *data,
guint data_size
) attribute_hidden;
/* ------------------------------------------------------------------------- */
/* --- Helpers to create codec-dependent objects --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_CODEC_DEFINE_TYPE(type, prefix, base_type) \
G_DEFINE_TYPE(type, prefix, base_type) \
\
static void \
prefix##_destroy(type *); \
\
static gboolean \
prefix##_create( \
type *, \
const GstVaapiCodecObjectConstructorArgs *args \
); \
\
static void \
prefix##_finalize(GstMiniObject *object) \
{ \
GstMiniObjectClass *parent_class; \
\
prefix##_destroy((type *)object); \
\
parent_class = GST_MINI_OBJECT_CLASS(prefix##_parent_class); \
if (parent_class->finalize) \
parent_class->finalize(object); \
} \
\
static gboolean \
prefix##_construct( \
GstVaapiCodecObject *object, \
const GstVaapiCodecObjectConstructorArgs *args \
) \
{ \
GstVaapiCodecObjectClass *parent_class; \
\
parent_class = GST_VAAPI_CODEC_OBJECT_CLASS(prefix##_parent_class); \
if (parent_class->construct) { \
if (!parent_class->construct(object, args)) \
return FALSE; \
} \
return prefix##_create((type *)object, args); \
} \
\
static void \
prefix##_class_init(type##Class *klass) \
{ \
GstMiniObjectClass * const object_class = \
GST_MINI_OBJECT_CLASS(klass); \
GstVaapiCodecObjectClass * const codec_class = \
GST_VAAPI_CODEC_OBJECT_CLASS(klass); \
\
object_class->finalize = prefix##_finalize; \
codec_class->construct = prefix##_construct; \
}
#define GST_VAAPI_IQ_MATRIX_NEW(codec, decoder) \
gst_vaapi_iq_matrix_new(GST_VAAPI_DECODER_CAST(decoder), \
NULL, sizeof(VAIQMatrixBuffer##codec))
#define GST_VAAPI_BITPLANE_NEW(decoder, size) \
gst_vaapi_bitplane_new(GST_VAAPI_DECODER_CAST(decoder), NULL, size)
#define GST_VAAPI_HUFFMAN_TABLE_NEW(codec, decoder) \
gst_vaapi_huffman_table_new(GST_VAAPI_DECODER_CAST(decoder), \
NULL, sizeof(VAHuffmanTableBuffer##codec))
G_END_DECLS
#endif /* GST_VAAPI_CODEC_OBJECTS_H */