mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
203 lines
7 KiB
C
203 lines
7 KiB
C
/* GStreamer
|
|
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.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_H265_DECODER_H__
|
|
#define __GST_H265_DECODER_H__
|
|
|
|
#include <gst/codecs/codecs-prelude.h>
|
|
|
|
#include <gst/video/video.h>
|
|
#include <gst/codecparsers/gsth265parser.h>
|
|
#include <gst/codecs/gsth265picture.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_H265_DECODER (gst_h265_decoder_get_type())
|
|
#define GST_H265_DECODER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_H265_DECODER,GstH265Decoder))
|
|
#define GST_H265_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_H265_DECODER,GstH265DecoderClass))
|
|
#define GST_H265_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_H265_DECODER,GstH265DecoderClass))
|
|
#define GST_IS_H265_DECODER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_H265_DECODER))
|
|
#define GST_IS_H265_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_H265_DECODER))
|
|
#define GST_H265_DECODER_CAST(obj) ((GstH265Decoder*)obj)
|
|
|
|
typedef struct _GstH265Decoder GstH265Decoder;
|
|
typedef struct _GstH265DecoderClass GstH265DecoderClass;
|
|
typedef struct _GstH265DecoderPrivate GstH265DecoderPrivate;
|
|
|
|
/**
|
|
* GstH265Decoder:
|
|
*
|
|
* The opaque #GstH265Decoder data structure.
|
|
*/
|
|
struct _GstH265Decoder
|
|
{
|
|
/*< private >*/
|
|
GstVideoDecoder parent;
|
|
|
|
/*< protected >*/
|
|
GstVideoCodecState * input_state;
|
|
|
|
GstH265Picture *RefPicSetStCurrBefore[16];
|
|
GstH265Picture *RefPicSetStCurrAfter[16];
|
|
GstH265Picture *RefPicSetStFoll[16];
|
|
GstH265Picture *RefPicSetLtCurr[16];
|
|
GstH265Picture *RefPicSetLtFoll[16];
|
|
|
|
guint NumPocStCurrBefore;
|
|
guint NumPocStCurrAfter;
|
|
guint NumPocStFoll;
|
|
guint NumPocLtCurr;
|
|
guint NumPocLtFoll;
|
|
guint NumPicTotalCurr;
|
|
|
|
/*< private >*/
|
|
GstH265DecoderPrivate *priv;
|
|
gpointer padding[GST_PADDING_LARGE];
|
|
};
|
|
|
|
/**
|
|
* GstH265DecoderClass:
|
|
*
|
|
* The opaque #GstH265DecoderClass data structure.
|
|
*/
|
|
struct _GstH265DecoderClass
|
|
{
|
|
GstVideoDecoderClass parent_class;
|
|
|
|
/**
|
|
* GstH265DecoderClass::new_sequence:
|
|
* @decoder: a #GstH265Decoder
|
|
* @sps: a #GstH265SPS
|
|
* @max_dpb_size: the size of dpb including preferred output delay
|
|
* by subclass reported via get_preferred_output_delay method.
|
|
*
|
|
* Notifies subclass of video sequence update
|
|
*/
|
|
GstFlowReturn (*new_sequence) (GstH265Decoder * decoder,
|
|
const GstH265SPS * sps,
|
|
gint max_dpb_size);
|
|
|
|
/**
|
|
* GstH265DecoderClass::new_picture:
|
|
* @decoder: a #GstH265Decoder
|
|
* @frame: (transfer none): a #GstVideoCodecFrame
|
|
* @picture: (transfer none): a #GstH265Picture
|
|
*
|
|
* Optional. Called whenever new #GstH265Picture is created.
|
|
* Subclass can set implementation specific user data
|
|
* on the #GstH265Picture via gst_h265_picture_set_user_data()
|
|
*/
|
|
GstFlowReturn (*new_picture) (GstH265Decoder * decoder,
|
|
GstVideoCodecFrame * frame,
|
|
GstH265Picture * picture);
|
|
|
|
/**
|
|
* GstH265DecoderClass::start_picture:
|
|
* @decoder: a #GstH265Decoder
|
|
* @picture: (transfer none): a #GstH265Picture
|
|
* @slice: (transfer none): a #GstH265Slice
|
|
* @dpb: (transfer none): a #GstH265Dpb
|
|
*
|
|
* Optional. Called per one #GstH265Picture to notify subclass to prepare
|
|
* decoding process for the #GstH265Picture
|
|
*/
|
|
GstFlowReturn (*start_picture) (GstH265Decoder * decoder,
|
|
GstH265Picture * picture,
|
|
GstH265Slice * slice,
|
|
GstH265Dpb * dpb);
|
|
|
|
/**
|
|
* GstH265DecoderClass::decode_slice:
|
|
* @decoder: a #GstH265Decoder
|
|
* @picture: (transfer none): a #GstH265Picture
|
|
* @slice: (transfer none): a #GstH265Slice
|
|
* @ref_pic_list0: (element-type GstH265Picture) (transfer none):
|
|
* an array of #GstH265Picture pointers
|
|
* @ref_pic_list1: (element-type GstH265Picture) (transfer none):
|
|
* an array of #GstH265Picture pointers
|
|
*
|
|
* Provides per slice data with parsed slice header and required raw bitstream
|
|
* for subclass to decode it. If gst_h265_decoder_set_process_ref_pic_lists()
|
|
* is called with %TRUE by the subclass, @ref_pic_list0 and @ref_pic_list1
|
|
* are non-%NULL.
|
|
*/
|
|
GstFlowReturn (*decode_slice) (GstH265Decoder * decoder,
|
|
GstH265Picture * picture,
|
|
GstH265Slice * slice,
|
|
GArray * ref_pic_list0,
|
|
GArray * ref_pic_list1);
|
|
|
|
/**
|
|
* GstH265DecoderClass::end_picture:
|
|
* @decoder: a #GstH265Decoder
|
|
* @picture: (transfer none): a #GstH265Picture
|
|
*
|
|
* Optional. Called per one #GstH265Picture to notify subclass to finish
|
|
* decoding process for the #GstH265Picture
|
|
*/
|
|
GstFlowReturn (*end_picture) (GstH265Decoder * decoder,
|
|
GstH265Picture * picture);
|
|
|
|
/**
|
|
* GstH265DecoderClass:output_picture:
|
|
* @decoder: a #GstH265Decoder
|
|
* @frame: (transfer full): a #GstVideoCodecFrame
|
|
* @picture: (transfer full): a #GstH265Picture
|
|
*
|
|
* Called with a #GstH265Picture which is required to be outputted.
|
|
*/
|
|
GstFlowReturn (*output_picture) (GstH265Decoder * decoder,
|
|
GstVideoCodecFrame * frame,
|
|
GstH265Picture * picture);
|
|
|
|
/**
|
|
* GstH265DecoderClass::get_preferred_output_delay:
|
|
* @decoder: a #GstH265Decoder
|
|
* @live: whether upstream is live or not
|
|
*
|
|
* Optional. Called by baseclass to query whether delaying output is
|
|
* preferred by subclass or not.
|
|
*
|
|
* Returns: the number of perferred delayed output frame
|
|
*
|
|
* Since: 1.22
|
|
*/
|
|
guint (*get_preferred_output_delay) (GstH265Decoder * decoder,
|
|
gboolean live);
|
|
|
|
/*< private >*/
|
|
gpointer padding[GST_PADDING_LARGE];
|
|
};
|
|
|
|
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstH265Decoder, gst_object_unref)
|
|
|
|
GST_CODECS_API
|
|
GType gst_h265_decoder_get_type (void);
|
|
|
|
GST_CODECS_API
|
|
void gst_h265_decoder_set_process_ref_pic_lists (GstH265Decoder * decoder,
|
|
gboolean process);
|
|
|
|
GST_CODECS_API
|
|
GstH265Picture * gst_h265_decoder_get_picture (GstH265Decoder * decoder,
|
|
guint32 system_frame_number);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_H265_DECODER_H__ */
|