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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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e769ae3dbe
... and enable zero-copy decoding if downstream supports d3d12 memory Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5345>
172 lines
8.8 KiB
C
172 lines
8.8 KiB
C
/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/codecs/gstcodecpicture.h>
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#include <gst/dxva/gstdxva.h>
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#include "gstd3d12_fwd.h"
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G_BEGIN_DECLS
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#define GST_TYPE_D3D12_DECODER (gst_d3d12_decoder_get_type())
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G_DECLARE_FINAL_TYPE (GstD3D12Decoder,
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gst_d3d12_decoder, GST, D3D12_DECODER, GstObject);
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typedef struct _GstD3D12DecoderClassData GstD3D12DecoderClassData;
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struct GstD3D12DecoderSubClassData
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{
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GstDxvaCodec codec;
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gint64 adapter_luid;
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guint device_id;
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guint vendor_id;
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};
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#define GST_D3D12_DECODER_DEFINE_TYPE(ModuleObjName,module_obj_name,MODULE,OBJ_NAME,ParentName) \
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static GstElementClass *parent_class = NULL; \
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typedef struct _##ModuleObjName { \
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ParentName parent; \
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GstD3D12Device *device; \
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GstD3D12Decoder *decoder; \
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} ModuleObjName;\
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typedef struct _##ModuleObjName##Class { \
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ParentName##Class parent_class; \
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GstD3D12DecoderSubClassData class_data; \
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} ModuleObjName##Class; \
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static inline ModuleObjName * MODULE##_##OBJ_NAME (gpointer ptr) { \
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return (ModuleObjName *) (ptr); \
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} \
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static inline ModuleObjName##Class * MODULE##_##OBJ_NAME##_GET_CLASS (gpointer ptr) { \
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return G_TYPE_INSTANCE_GET_CLASS ((ptr),G_TYPE_FROM_INSTANCE(ptr),ModuleObjName##Class); \
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} \
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static void module_obj_name##_get_property (GObject * object, \
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guint prop_id, GValue * value, GParamSpec * pspec); \
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static void module_obj_name##_set_context (GstElement * element, \
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GstContext * context); \
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static gboolean module_obj_name##_open (GstVideoDecoder * decoder); \
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static gboolean module_obj_name##_close (GstVideoDecoder * decoder); \
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static gboolean module_obj_name##_negotiate (GstVideoDecoder * decoder); \
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static gboolean module_obj_name##_decide_allocation (GstVideoDecoder * decoder, \
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GstQuery * query); \
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static gboolean module_obj_name##_sink_query (GstVideoDecoder * decoder, \
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GstQuery * query); \
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static gboolean module_obj_name##_src_query (GstVideoDecoder * decoder, \
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GstQuery * query); \
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static gboolean module_obj_name##_sink_event (GstVideoDecoder * decoder, \
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GstEvent * event); \
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static GstFlowReturn module_obj_name##_configure (ParentName * decoder, \
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GstVideoCodecState * input_state, const GstVideoInfo * info, \
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gint crop_x, gint crop_y, \
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gint coded_width, gint coded_height, gint max_dpb_size); \
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static GstFlowReturn module_obj_name##_new_picture (ParentName * decoder, \
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GstCodecPicture * picture); \
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static guint8 module_obj_name##_get_picture_id (ParentName * decoder, \
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GstCodecPicture * picture); \
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static GstFlowReturn module_obj_name##_start_picture (ParentName * decoder, \
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GstCodecPicture * picture, guint8 * picture_id); \
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static GstFlowReturn module_obj_name##_end_picture (ParentName * decoder, \
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GstCodecPicture * picture, GPtrArray * ref_pics, \
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const GstDxvaDecodingArgs * args); \
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static GstFlowReturn module_obj_name##_output_picture (ParentName * decoder, \
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GstVideoCodecFrame * frame, GstCodecPicture * picture, \
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GstVideoBufferFlags buffer_flags, \
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gint display_width, gint display_height);
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#define GST_D3D12_DECODER_DEFINE_TYPE_FULL(ModuleObjName,module_obj_name,MODULE,OBJ_NAME,ParentName) \
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GST_D3D12_DECODER_DEFINE_TYPE(ModuleObjName,module_obj_name,MODULE,OBJ_NAME,ParentName); \
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static GstFlowReturn module_obj_name##_duplicate_picture (ParentName * decoder, \
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GstCodecPicture * src, GstCodecPicture * dst);
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GstD3D12Decoder * gst_d3d12_decoder_new (GstD3D12Device * device,
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GstDxvaCodec codec);
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GstFlowReturn gst_d3d12_decoder_configure (GstD3D12Decoder * decoder,
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GstVideoCodecState * input_state,
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const GstVideoInfo * info,
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gint crop_x,
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gint crop_y,
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gint coded_width,
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gint coded_height,
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guint dpb_size);
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GstFlowReturn gst_d3d12_decoder_new_picture (GstD3D12Decoder * decoder,
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GstVideoDecoder * videodec,
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GstCodecPicture * picture);
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GstFlowReturn gst_d3d12_decoder_duplicate_picture (GstD3D12Decoder * decoder,
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GstCodecPicture * src,
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GstCodecPicture * dst);
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guint8 gst_d3d12_decoder_get_picture_id (GstD3D12Decoder * decoder,
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GstCodecPicture * picture);
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GstFlowReturn gst_d3d12_decoder_start_picture (GstD3D12Decoder * decoder,
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GstCodecPicture * picture,
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guint8 * picture_id);
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GstFlowReturn gst_d3d12_decoder_end_picture (GstD3D12Decoder * decoder,
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GstCodecPicture * picture,
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GPtrArray * ref_pics,
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const GstDxvaDecodingArgs * args);
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GstFlowReturn gst_d3d12_decoder_output_picture (GstD3D12Decoder * decoder,
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GstVideoDecoder * videodec,
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GstVideoCodecFrame * frame,
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GstCodecPicture * picture,
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GstVideoBufferFlags buffer_flags,
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gint display_width,
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gint display_height);
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gboolean gst_d3d12_decoder_negotiate (GstD3D12Decoder * decoder,
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GstVideoDecoder * videodec);
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gboolean gst_d3d12_decoder_decide_allocation (GstD3D12Decoder * decoder,
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GstVideoDecoder * videodec,
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GstQuery * query);
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void gst_d3d12_decoder_sink_event (GstD3D12Decoder * decoder,
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GstEvent * event);
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/* Utils for element registration */
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GstD3D12DecoderClassData * gst_d3d12_decoder_check_feature_support (GstD3D12Device * device,
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ID3D12VideoDevice * video_device,
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GstDxvaCodec codec);
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void gst_d3d12_decoder_class_data_fill_subclass_data (GstD3D12DecoderClassData * data,
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GstD3D12DecoderSubClassData * subclass_data);
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void gst_d3d12_decoder_proxy_class_init (GstElementClass * klass,
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GstD3D12DecoderClassData * data,
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const gchar * author);
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void gst_d3d12_decoder_proxy_get_property (GObject * object,
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guint prop_id,
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GValue * value,
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GParamSpec * pspec,
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GstD3D12DecoderSubClassData * subclass_data);
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gboolean gst_d3d12_decoder_proxy_open (GstVideoDecoder * videodec,
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GstD3D12DecoderSubClassData * subclass_data,
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GstD3D12Device ** device,
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GstD3D12Decoder ** decoder);
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G_END_DECLS
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