gstreamer/gst-libs/gst/vaapi/gstvaapidecoder_objects.h
2013-01-14 12:58:41 +01:00

247 lines
8.3 KiB
C

/*
* gstvaapidecoder_objects.h - VA decoder objects
*
* 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_DECODER_OBJECTS_H
#define GST_VAAPI_DECODER_OBJECTS_H
#include <gst/vaapi/gstvaapicodec_objects.h>
G_BEGIN_DECLS
typedef struct _GstVaapiPicture GstVaapiPicture;
typedef struct _GstVaapiSlice GstVaapiSlice;
/* ------------------------------------------------------------------------- */
/* --- Pictures --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_PICTURE_CAST(obj) \
((GstVaapiPicture *)(obj))
#define GST_VAAPI_PICTURE(obj) \
GST_VAAPI_PICTURE_CAST(obj)
#define GST_VAAPI_IS_PICTURE(obj) \
(GST_VAAPI_PICTURE(obj) != NULL)
typedef enum {
GST_VAAPI_PICTURE_TYPE_NONE = 0, // Undefined
GST_VAAPI_PICTURE_TYPE_I, // Intra
GST_VAAPI_PICTURE_TYPE_P, // Predicted
GST_VAAPI_PICTURE_TYPE_B, // Bi-directional predicted
GST_VAAPI_PICTURE_TYPE_S, // S(GMC)-VOP (MPEG-4)
GST_VAAPI_PICTURE_TYPE_SI, // Switching Intra
GST_VAAPI_PICTURE_TYPE_SP, // Switching Predicted
GST_VAAPI_PICTURE_TYPE_BI, // BI type (VC-1)
} GstVaapiPictureType;
/**
* GstVaapiPictureFlags:
* @GST_VAAPI_PICTURE_FLAG_SKIPPED: skipped frame
* @GST_VAAPI_PICTURE_FLAG_REFERENCE: reference frame
* @GST_VAAPI_PICTURE_FLAG_OUTPUT: frame was output
* @GST_VAAPI_PICTURE_FLAG_INTERLACED: interlaced frame
* @GST_VAAPI_PICTURE_FLAG_FF: first-field
* @GST_VAAPI_PICTURE_FLAG_TFF: top-field-first
* @GST_VAAPI_PICTURE_FLAG_LAST: first flag that can be used by subclasses
*
* Enum values used for #GstVaapiPicture flags.
*/
typedef enum {
GST_VAAPI_PICTURE_FLAG_SKIPPED = (GST_VAAPI_CODEC_OBJECT_FLAG_LAST << 0),
GST_VAAPI_PICTURE_FLAG_REFERENCE = (GST_VAAPI_CODEC_OBJECT_FLAG_LAST << 1),
GST_VAAPI_PICTURE_FLAG_OUTPUT = (GST_VAAPI_CODEC_OBJECT_FLAG_LAST << 2),
GST_VAAPI_PICTURE_FLAG_INTERLACED = (GST_VAAPI_CODEC_OBJECT_FLAG_LAST << 3),
GST_VAAPI_PICTURE_FLAG_FF = (GST_VAAPI_CODEC_OBJECT_FLAG_LAST << 4),
GST_VAAPI_PICTURE_FLAG_TFF = (GST_VAAPI_CODEC_OBJECT_FLAG_LAST << 5),
GST_VAAPI_PICTURE_FLAG_LAST = (GST_VAAPI_CODEC_OBJECT_FLAG_LAST << 6),
} GstVaapiPictureFlags;
#define GST_VAAPI_PICTURE_FLAGS GST_VAAPI_MINI_OBJECT_FLAGS
#define GST_VAAPI_PICTURE_FLAG_IS_SET GST_VAAPI_MINI_OBJECT_FLAG_IS_SET
#define GST_VAAPI_PICTURE_FLAG_SET GST_VAAPI_MINI_OBJECT_FLAG_SET
#define GST_VAAPI_PICTURE_FLAG_UNSET GST_VAAPI_MINI_OBJECT_FLAG_UNSET
#define GST_VAAPI_PICTURE_IS_SKIPPED(picture) \
GST_VAAPI_PICTURE_FLAG_IS_SET(picture, GST_VAAPI_PICTURE_FLAG_SKIPPED)
#define GST_VAAPI_PICTURE_IS_REFERENCE(picture) \
GST_VAAPI_PICTURE_FLAG_IS_SET(picture, GST_VAAPI_PICTURE_FLAG_REFERENCE)
#define GST_VAAPI_PICTURE_IS_OUTPUT(picture) \
GST_VAAPI_PICTURE_FLAG_IS_SET(picture, GST_VAAPI_PICTURE_FLAG_OUTPUT)
#define GST_VAAPI_PICTURE_IS_INTERLACED(picture) \
GST_VAAPI_PICTURE_FLAG_IS_SET(picture, GST_VAAPI_PICTURE_FLAG_INTERLACED)
#define GST_VAAPI_PICTURE_IS_FIRST_FIELD(picture) \
GST_VAAPI_PICTURE_FLAG_IS_SET(picture, GST_VAAPI_PICTURE_FLAG_FF)
#define GST_VAAPI_PICTURE_IS_TFF(picture) \
GST_VAAPI_PICTURE_FLAG_IS_SET(picture, GST_VAAPI_PICTURE_FLAG_TFF)
#define GST_VAAPI_PICTURE_IS_FRAME(picture) \
(GST_VAAPI_PICTURE(picture)->structure == GST_VAAPI_PICTURE_STRUCTURE_FRAME)
#define GST_VAAPI_PICTURE_IS_COMPLETE(picture) \
(GST_VAAPI_PICTURE_IS_FRAME(picture) || \
!GST_VAAPI_PICTURE_IS_FIRST_FIELD(picture))
/**
* GstVaapiPicture:
*
* A #GstVaapiCodecObject holding a picture parameter.
*/
struct _GstVaapiPicture {
/*< private >*/
GstVaapiCodecObject parent_instance;
GstVideoCodecFrame *frame;
GstVaapiSurface *surface;
GstVaapiSurfaceProxy *proxy;
VABufferID param_id;
guint param_size;
/*< public >*/
GstVaapiPictureType type;
VASurfaceID surface_id;
gpointer param;
GPtrArray *slices;
GstVaapiIqMatrix *iq_matrix;
GstVaapiHuffmanTable *huf_table;
GstVaapiBitPlane *bitplane;
GstClockTime pts;
gint32 poc;
guint structure;
};
G_GNUC_INTERNAL
void
gst_vaapi_picture_destroy(GstVaapiPicture *picture);
G_GNUC_INTERNAL
gboolean
gst_vaapi_picture_create(GstVaapiPicture *picture,
const GstVaapiCodecObjectConstructorArgs *args);
G_GNUC_INTERNAL
GstVaapiPicture *
gst_vaapi_picture_new(
GstVaapiDecoder *decoder,
gconstpointer param,
guint param_size
);
G_GNUC_INTERNAL
GstVaapiPicture *
gst_vaapi_picture_new_field(GstVaapiPicture *picture);
G_GNUC_INTERNAL
void
gst_vaapi_picture_add_slice(GstVaapiPicture *picture, GstVaapiSlice *slice);
G_GNUC_INTERNAL
gboolean
gst_vaapi_picture_decode(GstVaapiPicture *picture);
G_GNUC_INTERNAL
gboolean
gst_vaapi_picture_output(GstVaapiPicture *picture);
static inline gpointer
gst_vaapi_picture_ref(gpointer ptr)
{
return gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(ptr));
}
static inline void
gst_vaapi_picture_unref(gpointer ptr)
{
gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(ptr));
}
#define gst_vaapi_picture_replace(old_picture_p, new_picture) \
gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_picture_p), \
(GstVaapiMiniObject *)(new_picture))
/* ------------------------------------------------------------------------- */
/* --- Slices --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_SLICE_CAST(obj) \
((GstVaapiSlice *)(obj))
#define GST_VAAPI_SLICE(obj) \
GST_VAAPI_SLICE_CAST(obj)
#define GST_VAAPI_IS_SLICE(obj) \
(GST_VAAPI_SLICE(obj) != NULL)
/**
* GstVaapiSlice:
*
* A #GstVaapiCodecObject holding a slice parameter.
*/
struct _GstVaapiSlice {
/*< private >*/
GstVaapiCodecObject parent_instance;
/*< public >*/
VABufferID param_id;
VABufferID data_id;
gpointer param;
};
G_GNUC_INTERNAL
void
gst_vaapi_slice_destroy(GstVaapiSlice *slice);
G_GNUC_INTERNAL
gboolean
gst_vaapi_slice_create(GstVaapiSlice *slice,
const GstVaapiCodecObjectConstructorArgs *args);
G_GNUC_INTERNAL
GstVaapiSlice *
gst_vaapi_slice_new(
GstVaapiDecoder *decoder,
gconstpointer param,
guint param_size,
const guchar *data,
guint data_size
);
/* ------------------------------------------------------------------------- */
/* --- Helpers to create codec-dependent objects --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_PICTURE_NEW(codec, decoder) \
gst_vaapi_picture_new(GST_VAAPI_DECODER_CAST(decoder), \
NULL, sizeof(VAPictureParameterBuffer##codec))
#define GST_VAAPI_SLICE_NEW(codec, decoder, buf, buf_size) \
gst_vaapi_slice_new(GST_VAAPI_DECODER_CAST(decoder), \
NULL, sizeof(VASliceParameterBuffer##codec), \
buf, buf_size)
G_END_DECLS
#endif /* GST_VAAPI_DECODER_OBJECTS_H */