gstreamer/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12decoder.h
Seungha Yang e769ae3dbe d3d12decoder: Add support for d3d12 output
... and enable zero-copy decoding if downstream supports d3d12 memory

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5345>
2023-09-19 08:52:04 +00:00

172 lines
8.8 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/gst.h>
#include <gst/video/video.h>
#include <gst/codecs/gstcodecpicture.h>
#include <gst/dxva/gstdxva.h>
#include "gstd3d12_fwd.h"
G_BEGIN_DECLS
#define GST_TYPE_D3D12_DECODER (gst_d3d12_decoder_get_type())
G_DECLARE_FINAL_TYPE (GstD3D12Decoder,
gst_d3d12_decoder, GST, D3D12_DECODER, GstObject);
typedef struct _GstD3D12DecoderClassData GstD3D12DecoderClassData;
struct GstD3D12DecoderSubClassData
{
GstDxvaCodec codec;
gint64 adapter_luid;
guint device_id;
guint vendor_id;
};
#define GST_D3D12_DECODER_DEFINE_TYPE(ModuleObjName,module_obj_name,MODULE,OBJ_NAME,ParentName) \
static GstElementClass *parent_class = NULL; \
typedef struct _##ModuleObjName { \
ParentName parent; \
GstD3D12Device *device; \
GstD3D12Decoder *decoder; \
} ModuleObjName;\
typedef struct _##ModuleObjName##Class { \
ParentName##Class parent_class; \
GstD3D12DecoderSubClassData class_data; \
} ModuleObjName##Class; \
static inline ModuleObjName * MODULE##_##OBJ_NAME (gpointer ptr) { \
return (ModuleObjName *) (ptr); \
} \
static inline ModuleObjName##Class * MODULE##_##OBJ_NAME##_GET_CLASS (gpointer ptr) { \
return G_TYPE_INSTANCE_GET_CLASS ((ptr),G_TYPE_FROM_INSTANCE(ptr),ModuleObjName##Class); \
} \
static void module_obj_name##_get_property (GObject * object, \
guint prop_id, GValue * value, GParamSpec * pspec); \
static void module_obj_name##_set_context (GstElement * element, \
GstContext * context); \
static gboolean module_obj_name##_open (GstVideoDecoder * decoder); \
static gboolean module_obj_name##_close (GstVideoDecoder * decoder); \
static gboolean module_obj_name##_negotiate (GstVideoDecoder * decoder); \
static gboolean module_obj_name##_decide_allocation (GstVideoDecoder * decoder, \
GstQuery * query); \
static gboolean module_obj_name##_sink_query (GstVideoDecoder * decoder, \
GstQuery * query); \
static gboolean module_obj_name##_src_query (GstVideoDecoder * decoder, \
GstQuery * query); \
static gboolean module_obj_name##_sink_event (GstVideoDecoder * decoder, \
GstEvent * event); \
static GstFlowReturn module_obj_name##_configure (ParentName * decoder, \
GstVideoCodecState * input_state, const GstVideoInfo * info, \
gint crop_x, gint crop_y, \
gint coded_width, gint coded_height, gint max_dpb_size); \
static GstFlowReturn module_obj_name##_new_picture (ParentName * decoder, \
GstCodecPicture * picture); \
static guint8 module_obj_name##_get_picture_id (ParentName * decoder, \
GstCodecPicture * picture); \
static GstFlowReturn module_obj_name##_start_picture (ParentName * decoder, \
GstCodecPicture * picture, guint8 * picture_id); \
static GstFlowReturn module_obj_name##_end_picture (ParentName * decoder, \
GstCodecPicture * picture, GPtrArray * ref_pics, \
const GstDxvaDecodingArgs * args); \
static GstFlowReturn module_obj_name##_output_picture (ParentName * decoder, \
GstVideoCodecFrame * frame, GstCodecPicture * picture, \
GstVideoBufferFlags buffer_flags, \
gint display_width, gint display_height);
#define GST_D3D12_DECODER_DEFINE_TYPE_FULL(ModuleObjName,module_obj_name,MODULE,OBJ_NAME,ParentName) \
GST_D3D12_DECODER_DEFINE_TYPE(ModuleObjName,module_obj_name,MODULE,OBJ_NAME,ParentName); \
static GstFlowReturn module_obj_name##_duplicate_picture (ParentName * decoder, \
GstCodecPicture * src, GstCodecPicture * dst);
GstD3D12Decoder * gst_d3d12_decoder_new (GstD3D12Device * device,
GstDxvaCodec codec);
GstFlowReturn gst_d3d12_decoder_configure (GstD3D12Decoder * decoder,
GstVideoCodecState * input_state,
const GstVideoInfo * info,
gint crop_x,
gint crop_y,
gint coded_width,
gint coded_height,
guint dpb_size);
GstFlowReturn gst_d3d12_decoder_new_picture (GstD3D12Decoder * decoder,
GstVideoDecoder * videodec,
GstCodecPicture * picture);
GstFlowReturn gst_d3d12_decoder_duplicate_picture (GstD3D12Decoder * decoder,
GstCodecPicture * src,
GstCodecPicture * dst);
guint8 gst_d3d12_decoder_get_picture_id (GstD3D12Decoder * decoder,
GstCodecPicture * picture);
GstFlowReturn gst_d3d12_decoder_start_picture (GstD3D12Decoder * decoder,
GstCodecPicture * picture,
guint8 * picture_id);
GstFlowReturn gst_d3d12_decoder_end_picture (GstD3D12Decoder * decoder,
GstCodecPicture * picture,
GPtrArray * ref_pics,
const GstDxvaDecodingArgs * args);
GstFlowReturn gst_d3d12_decoder_output_picture (GstD3D12Decoder * decoder,
GstVideoDecoder * videodec,
GstVideoCodecFrame * frame,
GstCodecPicture * picture,
GstVideoBufferFlags buffer_flags,
gint display_width,
gint display_height);
gboolean gst_d3d12_decoder_negotiate (GstD3D12Decoder * decoder,
GstVideoDecoder * videodec);
gboolean gst_d3d12_decoder_decide_allocation (GstD3D12Decoder * decoder,
GstVideoDecoder * videodec,
GstQuery * query);
void gst_d3d12_decoder_sink_event (GstD3D12Decoder * decoder,
GstEvent * event);
/* Utils for element registration */
GstD3D12DecoderClassData * gst_d3d12_decoder_check_feature_support (GstD3D12Device * device,
ID3D12VideoDevice * video_device,
GstDxvaCodec codec);
void gst_d3d12_decoder_class_data_fill_subclass_data (GstD3D12DecoderClassData * data,
GstD3D12DecoderSubClassData * subclass_data);
void gst_d3d12_decoder_proxy_class_init (GstElementClass * klass,
GstD3D12DecoderClassData * data,
const gchar * author);
void gst_d3d12_decoder_proxy_get_property (GObject * object,
guint prop_id,
GValue * value,
GParamSpec * pspec,
GstD3D12DecoderSubClassData * subclass_data);
gboolean gst_d3d12_decoder_proxy_open (GstVideoDecoder * videodec,
GstD3D12DecoderSubClassData * subclass_data,
GstD3D12Device ** device,
GstD3D12Decoder ** decoder);
G_END_DECLS