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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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324 lines
13 KiB
C
324 lines
13 KiB
C
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/*
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* gstvaapicodec_objects.h - VA codec objects abstraction
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Copyright (C) 2011-2012 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_CODEC_COMMON_H
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#define GST_VAAPI_CODEC_COMMON_H
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#include <gst/gstminiobject.h>
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#include <gst/vaapi/gstvaapidecoder.h>
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G_BEGIN_DECLS
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typedef gpointer GstVaapiCodecBase;
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typedef struct _GstVaapiCodecObject GstVaapiCodecObject;
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typedef struct _GstVaapiCodecObjectClass GstVaapiCodecObjectClass;
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typedef struct _GstVaapiIqMatrix GstVaapiIqMatrix;
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typedef struct _GstVaapiIqMatrixClass GstVaapiIqMatrixClass;
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typedef struct _GstVaapiBitPlane GstVaapiBitPlane;
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typedef struct _GstVaapiBitPlaneClass GstVaapiBitPlaneClass;
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/* ------------------------------------------------------------------------- */
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/* --- Base Codec Object --- */
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/* ------------------------------------------------------------------------- */
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/* XXX: remove when a common base class for decoder and encoder is available */
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#define GST_VAAPI_CODEC_BASE(obj) \
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((GstVaapiCodecBase *)(obj))
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#define GST_VAAPI_TYPE_CODEC_OBJECT \
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(gst_vaapi_codec_object_get_type())
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#define GST_VAAPI_CODEC_OBJECT(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_CODEC_OBJECT, \
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GstVaapiCodecObject))
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#define GST_VAAPI_CODEC_OBJECT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_CODEC_OBJECT, \
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GstVaapiCodecObjectClass))
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#define GST_VAAPI_IS_CODEC_OBJECT(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_CODEC_OBJECT))
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#define GST_VAAPI_IS_CODEC_OBJECT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_CODEC_OBJECT))
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#define GST_VAAPI_CODEC_OBJECT_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_CODEC_OBJECT, \
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GstVaapiCodecObjectClass))
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enum {
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GST_VAAPI_CODEC_OBJECT_FLAG_CONSTRUCTED = (GST_MINI_OBJECT_FLAG_LAST << 0),
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GST_VAAPI_CODEC_OBJECT_FLAG_LAST = (GST_MINI_OBJECT_FLAG_LAST << 1)
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};
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typedef struct {
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GstVaapiCodecObject *obj;
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GstVaapiCodecBase *codec;
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gconstpointer param;
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guint param_size;
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gconstpointer data;
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guint data_size;
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} GstVaapiCodecObjectConstructorArgs;
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/**
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* GstVaapiCodecObject:
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*
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* A #GstMiniObject holding the base codec object data
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*/
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struct _GstVaapiCodecObject {
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/*< private >*/
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GstMiniObject parent_instance;
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GstVaapiCodecBase *codec;
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};
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/**
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* GstVaapiCodecObjectClass:
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*
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* The #GstVaapiCodecObject base class.
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*/
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struct _GstVaapiCodecObjectClass {
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/*< private >*/
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GstMiniObjectClass parent_class;
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gboolean (*construct) (GstVaapiCodecObject *obj,
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const GstVaapiCodecObjectConstructorArgs *args);
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};
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GType
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gst_vaapi_codec_object_get_type(void)
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attribute_hidden;
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GstVaapiCodecObject *
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gst_vaapi_codec_object_new(
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GType type,
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GstVaapiCodecBase *codec,
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gconstpointer param,
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guint param_size,
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gconstpointer data,
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guint data_size
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) attribute_hidden;
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gboolean
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gst_vaapi_codec_object_construct(
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GstVaapiCodecObject *obj,
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const GstVaapiCodecObjectConstructorArgs *args
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) attribute_hidden;
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/* ------------------------------------------------------------------------- */
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/* --- Inverse Quantization Matrices --- */
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/* ------------------------------------------------------------------------- */
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#define GST_VAAPI_TYPE_IQ_MATRIX \
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(gst_vaapi_iq_matrix_get_type())
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#define GST_VAAPI_IQ_MATRIX_CAST(obj) \
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((GstVaapiIqMatrix *)(obj))
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#define GST_VAAPI_IQ_MATRIX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_IQ_MATRIX, \
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GstVaapiIqMatrix))
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#define GST_VAAPI_IQ_MATRIX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_IQ_MATRIX, \
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GstVaapiIqMatrixClass))
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#define GST_VAAPI_IS_IQ_MATRIX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_IQ_MATRIX))
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#define GST_VAAPI_IS_IQ_MATRIX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_IQ_MATRIX))
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#define GST_VAAPI_IQ_MATRIX_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_IQ_MATRIX, \
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GstVaapiIqMatrixClass))
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/**
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* GstVaapiIqMatrix:
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*
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* A #GstVaapiCodecObject holding an inverse quantization matrix parameter.
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*/
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struct _GstVaapiIqMatrix {
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/*< private >*/
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GstVaapiCodecObject parent_instance;
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VABufferID param_id;
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/*< public >*/
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gpointer param;
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};
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/**
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* GstVaapiIqMatrixClass:
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*
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* The #GstVaapiIqMatrix base class.
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*/
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struct _GstVaapiIqMatrixClass {
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/*< private >*/
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GstVaapiCodecObjectClass parent_class;
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};
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GType
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gst_vaapi_iq_matrix_get_type(void)
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attribute_hidden;
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GstVaapiIqMatrix *
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gst_vaapi_iq_matrix_new(
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GstVaapiDecoder *decoder,
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gconstpointer param,
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guint param_size
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) attribute_hidden;
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/* ------------------------------------------------------------------------- */
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/* --- VC-1 Bit Planes --- */
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/* ------------------------------------------------------------------------- */
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#define GST_VAAPI_TYPE_BITPLANE \
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(gst_vaapi_bitplane_get_type())
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#define GST_VAAPI_BITPLANE_CAST(obj) \
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((GstVaapiBitPlane *)(obj))
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#define GST_VAAPI_BITPLANE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_BITPLANE, \
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GstVaapiBitPlane))
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#define GST_VAAPI_BITPLANE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_BITPLANE, \
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GstVaapiBitPlaneClass))
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#define GST_VAAPI_IS_BITPLANE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_BITPLANE))
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#define GST_VAAPI_IS_BITPLANE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_BITPLANE))
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#define GST_VAAPI_BITPLANE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_BITPLANE, \
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GstVaapiBitPlaneClass))
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/**
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* GstVaapiBitPlane:
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*
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* A #GstVaapiCodecObject holding a VC-1 bit plane parameter.
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*/
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struct _GstVaapiBitPlane {
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/*< private >*/
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GstVaapiCodecObject parent_instance;
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VABufferID data_id;
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/*< public >*/
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guint8 *data;
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};
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/**
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* GstVaapiBitPlaneClass:
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*
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* The #GstVaapiBitPlane base class.
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*/
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struct _GstVaapiBitPlaneClass {
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/*< private >*/
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GstVaapiCodecObjectClass parent_class;
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};
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GType
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gst_vaapi_bitplane_get_type(void)
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attribute_hidden;
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GstVaapiBitPlane *
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gst_vaapi_bitplane_new(GstVaapiDecoder *decoder, guint8 *data, guint data_size)
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attribute_hidden;
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/* ------------------------------------------------------------------------- */
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/* --- Helpers to create codec-dependent objects --- */
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/* ------------------------------------------------------------------------- */
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#define GST_VAAPI_CODEC_DEFINE_TYPE(type, prefix, base_type) \
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G_DEFINE_TYPE(type, prefix, base_type) \
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\
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static void \
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prefix##_destroy(type *); \
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\
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static gboolean \
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prefix##_create( \
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type *, \
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const GstVaapiCodecObjectConstructorArgs *args \
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); \
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\
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static void \
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prefix##_finalize(GstMiniObject *object) \
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{ \
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GstMiniObjectClass *parent_class; \
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\
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prefix##_destroy((type *)object); \
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\
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parent_class = GST_MINI_OBJECT_CLASS(prefix##_parent_class); \
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if (parent_class->finalize) \
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parent_class->finalize(object); \
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} \
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\
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static gboolean \
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prefix##_construct( \
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GstVaapiCodecObject *object, \
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const GstVaapiCodecObjectConstructorArgs *args \
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) \
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{ \
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GstVaapiCodecObjectClass *parent_class; \
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\
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parent_class = GST_VAAPI_CODEC_OBJECT_CLASS(prefix##_parent_class); \
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if (parent_class->construct) { \
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if (!parent_class->construct(object, args)) \
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return FALSE; \
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} \
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return prefix##_create((type *)object, args); \
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} \
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\
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static void \
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prefix##_class_init(type##Class *klass) \
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{ \
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GstMiniObjectClass * const object_class = \
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GST_MINI_OBJECT_CLASS(klass); \
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GstVaapiCodecObjectClass * const codec_class = \
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GST_VAAPI_CODEC_OBJECT_CLASS(klass); \
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\
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object_class->finalize = prefix##_finalize; \
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codec_class->construct = prefix##_construct; \
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}
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#define GST_VAAPI_IQ_MATRIX_NEW(codec, decoder) \
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gst_vaapi_iq_matrix_new(GST_VAAPI_DECODER_CAST(decoder), \
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NULL, sizeof(VAIQMatrixBuffer##codec))
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#define GST_VAAPI_BITPLANE_NEW(decoder, size) \
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gst_vaapi_bitplane_new(GST_VAAPI_DECODER_CAST(decoder), NULL, size)
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G_END_DECLS
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#endif /* GST_VAAPI_CODEC_OBJECTS_H */
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