gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/dxva/gstdxvampeg2decoder.h
Seungha Yang 729c11cb0c dxva: Add DXVA decoder baseclass implementation
Extract Direct3D version independent common DXVA logic from d3d11
decoder so that it can be used by the other APIs (D3D9 and D3D12)
as well

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4161>
2023-09-17 18:30:03 +09:00

94 lines
4.1 KiB
C

/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.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.
*/
#pragma once
#include <gst/dxva/dxva-prelude.h>
#include <gst/dxva/gstdxvatypes.h>
#include <gst/codecs/gstmpeg2decoder.h>
G_BEGIN_DECLS
#define GST_TYPE_DXVA_MPEG2_DECODER (gst_dxva_mpeg2_decoder_get_type())
#define GST_DXVA_MPEG2_DECODER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DXVA_MPEG2_DECODER,GstDxvaMpeg2Decoder))
#define GST_DXVA_MPEG2_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DXVA_MPEG2_DECODER,GstDxvaMpeg2DecoderClass))
#define GST_DXVA_MPEG2_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_DXVA_MPEG2_DECODER,GstDxvaMpeg2DecoderClass))
#define GST_IS_DXVA_MPEG2_DECODER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DXVA_MPEG2_DECODER))
#define GST_IS_DXVA_MPEG2_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DXVA_MPEG2_DECODER))
#define GST_DXVA_MPEG2_DECODER_CAST(obj) ((GstDxvaMpeg2Decoder*)obj)
typedef struct _GstDxvaMpeg2Decoder GstDxvaMpeg2Decoder;
typedef struct _GstDxvaMpeg2DecoderClass GstDxvaMpeg2DecoderClass;
typedef struct _GstDxvaMpeg2DecoderPrivate GstDxvaMpeg2DecoderPrivate;
struct _GstDxvaMpeg2Decoder
{
GstMpeg2Decoder parent;
/*< private >*/
GstDxvaMpeg2DecoderPrivate *priv;
};
struct _GstDxvaMpeg2DecoderClass
{
GstMpeg2DecoderClass parent_class;
GstFlowReturn (*configure) (GstDxvaMpeg2Decoder * decoder,
GstVideoCodecState * input_state,
const GstVideoInfo * info,
gint crop_x,
gint crop_y,
gint coded_width,
gint coded_height,
gint max_dpb_size);
GstFlowReturn (*new_picture) (GstDxvaMpeg2Decoder * decoder,
GstCodecPicture * picture);
GstFlowReturn (*duplicate_picture) (GstDxvaMpeg2Decoder * decoder,
GstCodecPicture * src,
GstCodecPicture * dst);
guint8 (*get_picture_id) (GstDxvaMpeg2Decoder * decoder,
GstCodecPicture * picture);
GstFlowReturn (*start_picture) (GstDxvaMpeg2Decoder * decoder,
GstCodecPicture * picture,
guint8 * picture_id);
GstFlowReturn (*end_picture) (GstDxvaMpeg2Decoder * decoder,
GstCodecPicture * picture,
GPtrArray * ref_pics,
const GstDxvaDecodingArgs * args);
GstFlowReturn (*output_picture) (GstDxvaMpeg2Decoder * decoder,
GstVideoCodecFrame * frame,
GstCodecPicture * picture,
GstVideoBufferFlags buffer_flags,
gint display_width,
gint display_height);
};
GST_DXVA_API
GType gst_dxva_mpeg2_decoder_get_type (void);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstDxvaMpeg2Decoder, gst_object_unref)
G_END_DECLS