gstreamer/gst-libs/gst/vaapi/gstvaapicodec_objects.h
2012-12-18 15:31:51 +01:00

223 lines
7.5 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/vaapi/gstvaapiminiobject.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 _GstVaapiBitPlane GstVaapiBitPlane;
typedef struct _GstVaapiHuffmanTable GstVaapiHuffmanTable;
/* ------------------------------------------------------------------------- */
/* --- 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_CODEC_OBJECT(obj) \
((GstVaapiCodecObject *)(obj))
enum {
GST_VAAPI_CODEC_OBJECT_FLAG_CONSTRUCTED = (1 << 0),
GST_VAAPI_CODEC_OBJECT_FLAG_LAST = (1 << 1)
};
typedef struct {
gconstpointer param;
guint param_size;
gconstpointer data;
guint data_size;
guint flags;
} GstVaapiCodecObjectConstructorArgs;
typedef gboolean
(*GstVaapiCodecObjectCreateFunc)(GstVaapiCodecObject *object,
const GstVaapiCodecObjectConstructorArgs *args);
typedef GDestroyNotify GstVaapiCodecObjectDestroyFunc;
/**
* GstVaapiCodecObject:
*
* A #GstVaapiMiniObject holding the base codec object data
*/
struct _GstVaapiCodecObject {
/*< private >*/
GstVaapiMiniObject parent_instance;
GstVaapiCodecBase *codec;
};
/**
* GstVaapiCodecObjectClass:
*
* The #GstVaapiCodecObject base class.
*/
struct _GstVaapiCodecObjectClass {
/*< private >*/
GstVaapiMiniObjectClass parent_class;
GstVaapiCodecObjectCreateFunc create;
};
G_GNUC_INTERNAL
const GstVaapiCodecObjectClass *
gst_vaapi_codec_object_get_class(GstVaapiCodecObject *object) G_GNUC_CONST;
G_GNUC_INTERNAL
GstVaapiCodecObject *
gst_vaapi_codec_object_new(const GstVaapiCodecObjectClass *object_class,
GstVaapiCodecBase *codec, gconstpointer param, guint param_size,
gconstpointer data, guint data_size, guint flags);
/* ------------------------------------------------------------------------- */
/* --- Inverse Quantization Matrices --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_IQ_MATRIX_CAST(obj) \
((GstVaapiIqMatrix *)(obj))
/**
* GstVaapiIqMatrix:
*
* A #GstVaapiCodecObject holding an inverse quantization matrix parameter.
*/
struct _GstVaapiIqMatrix {
/*< private >*/
GstVaapiCodecObject parent_instance;
VABufferID param_id;
/*< public >*/
gpointer param;
};
G_GNUC_INTERNAL
GstVaapiIqMatrix *
gst_vaapi_iq_matrix_new(
GstVaapiDecoder *decoder,
gconstpointer param,
guint param_size
);
/* ------------------------------------------------------------------------- */
/* --- VC-1 Bit Planes --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_BITPLANE_CAST(obj) \
((GstVaapiBitPlane *)(obj))
/**
* GstVaapiBitPlane:
*
* A #GstVaapiCodecObject holding a VC-1 bit plane parameter.
*/
struct _GstVaapiBitPlane {
/*< private >*/
GstVaapiCodecObject parent_instance;
VABufferID data_id;
/*< public >*/
guint8 *data;
};
G_GNUC_INTERNAL
GstVaapiBitPlane *
gst_vaapi_bitplane_new(GstVaapiDecoder *decoder, guint8 *data, guint data_size);
/* ------------------------------------------------------------------------- */
/* --- JPEG Huffman Tables --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_HUFFMAN_TABLE_CAST(obj) \
((GstVaapiHuffmanTable *)(obj))
/**
* GstVaapiHuffmanTable:
*
* A #GstVaapiCodecObject holding huffman table.
*/
struct _GstVaapiHuffmanTable {
/*< private >*/
GstVaapiCodecObject parent_instance;
VABufferID param_id;
/*< public >*/
gpointer param;
};
G_GNUC_INTERNAL
GstVaapiHuffmanTable *
gst_vaapi_huffman_table_new(
GstVaapiDecoder *decoder,
guint8 *data,
guint data_size
);
/* ------------------------------------------------------------------------- */
/* --- Helpers to create codec-dependent objects --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_CODEC_DEFINE_TYPE(type, prefix) \
G_GNUC_INTERNAL \
void \
prefix##_destroy(type *); \
\
G_GNUC_INTERNAL \
gboolean \
prefix##_create( \
type *, \
const GstVaapiCodecObjectConstructorArgs *args \
); \
\
static const GstVaapiCodecObjectClass type##Class = { \
.parent_class = { \
.size = sizeof(type), \
.finalize = (GstVaapiCodecObjectDestroyFunc) \
prefix##_destroy \
}, \
.create = (GstVaapiCodecObjectCreateFunc) \
prefix##_create, \
}
#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 */