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/* GStreamer
* Copyright (C) 2020 He Junyan <junyan.he@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_AV1_DECODER_H__
#define __GST_AV1_DECODER_H__
#include <gst/codecs/codecs-prelude.h>
#include <gst/video/video.h>
#include <gst/codecparsers/gstav1parser.h>
#include <gst/codecs/gstav1picture.h>
G_BEGIN_DECLS
#define GST_TYPE_AV1_DECODER (gst_av1_decoder_get_type())
#define GST_AV1_DECODER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AV1_DECODER,GstAV1Decoder))
#define GST_AV1_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AV1_DECODER,GstAV1DecoderClass))
#define GST_AV1_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_AV1_DECODER,GstAV1DecoderClass))
#define GST_IS_AV1_DECODER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AV1_DECODER))
#define GST_IS_AV1_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AV1_DECODER))
typedef struct _GstAV1Decoder GstAV1Decoder;
typedef struct _GstAV1DecoderClass GstAV1DecoderClass;
typedef struct _GstAV1DecoderPrivate GstAV1DecoderPrivate;
/**
* GstAV1Decoder:
*
* The opaque #GstAV1Decoder data structure.
*
* Since: 1.20
*/
struct _GstAV1Decoder
{
/*< private >*/
GstVideoDecoder parent;
/*< protected >*/
GstVideoCodecState * input_state;
/*< private >*/
GstAV1DecoderPrivate *priv;
gpointer padding[GST_PADDING_LARGE];
};
/**
* GstAV1DecoderClass:
*/
struct _GstAV1DecoderClass
{
GstVideoDecoderClass parent_class;
/**
* GstAV1DecoderClass::new_sequence:
* @decoder: a #GstAV1Decoder
* @seq_hdr: a #GstAV1SequenceHeaderOBU
*
* Notifies subclass of SPS update
*
* Since: 1.20
*/
gboolean (*new_sequence) (GstAV1Decoder * decoder,
const GstAV1SequenceHeaderOBU * seq_hdr);
/**
* GstAV1DecoderClass::new_picture:
* @decoder: a #GstAV1Decoder
* @frame: (transfer none): a #GstVideoCodecFrame
* @picture: (transfer none): a #GstAV1Picture
*
* Optional. Called whenever new #GstAV1Picture is created.
* Subclass can set implementation specific user data
* on the #GstAV1Picture via gst_av1_picture_set_user_data()
*
* Since: 1.20
*/
gboolean (*new_picture) (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame,
GstAV1Picture * picture);
/**
* GstAV1DecoderClass::duplicate_picture:
* @decoder: a #GstAV1Decoder
* @picture: (transfer none): a #GstAV1Picture
*
* Optional. Called when need to duplicate an existing
* #GstAV1Picture.
*
* Since: 1.20
*/
GstAV1Picture * (*duplicate_picture) (GstAV1Decoder * decoder,
GstAV1Picture * picture);
/**
* GstAV1DecoderClass::start_picture:
* @decoder: a #GstAV1Decoder
* @picture: (transfer none): a #GstAV1Picture
* @dpb: (transfer none): a #GstAV1Dpb
*
* Optional. Called per one #GstAV1Picture to notify subclass to prepare
* decoding process for the #GstAV1Picture
*
* Since: 1.20
*/
gboolean (*start_picture) (GstAV1Decoder * decoder,
GstAV1Picture * picture,
GstAV1Dpb * dpb);
/**
* GstAV1DecoderClass::decode_tile:
* @decoder: a #GstAV1Decoder
* @picture: (transfer none): a #GstAV1Picture
* @tile: (transfer none): a #GstAV1Tile
*
* Provides the tile data with tile group header and required raw
* bitstream for subclass to decode it.
*
* Since: 1.20
*/
gboolean (*decode_tile) (GstAV1Decoder * decoder,
GstAV1Picture * picture,
GstAV1Tile * tile);
/**
* GstAV1DecoderClass::end_picture:
* @decoder: a #GstAV1Decoder
* @picture: (transfer none): a #GstAV1Picture
*
* Optional. Called per one #GstAV1Picture to notify subclass to finish
* decoding process for the #GstAV1Picture
*
* Since: 1.20
*/
gboolean (*end_picture) (GstAV1Decoder * decoder,
GstAV1Picture * picture);
/**
* GstAV1DecoderClass::output_picture:
* @decoder: a #GstAV1Decoder
* @frame: (transfer full): a #GstVideoCodecFrame
* @picture: (transfer full): a #GstAV1Picture
*
* Called with a #GstAV1Picture which is required to be outputted.
* The #GstVideoCodecFrame must be consumed by subclass.
*
* Since: 1.20
*/
GstFlowReturn (*output_picture) (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame,
GstAV1Picture * picture);
/*< private >*/
gpointer padding[GST_PADDING_LARGE];
};
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstAV1Decoder, gst_object_unref)
GST_CODECS_API
GType gst_av1_decoder_get_type (void);
G_END_DECLS
#endif /* __GST_AV1_DECODER_H__ */
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