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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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858520932c
NVIDIA GPUs have undocumented limitation regarding minimum resolution and it can be queried via a NVDEC API. However, since we don't want to bring CUDA/NVDEC API into D3D11, use hardcoded values for now until we find a nice way for capability check. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2406>
169 lines
7.3 KiB
C
169 lines
7.3 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.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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#ifndef __GST_D3D11_DECODER_H__
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#define __GST_D3D11_DECODER_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/d3d11/gstd3d11.h>
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G_BEGIN_DECLS
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#define GST_TYPE_D3D11_DECODER (gst_d3d11_decoder_get_type())
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G_DECLARE_FINAL_TYPE (GstD3D11Decoder,
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gst_d3d11_decoder, GST, D3D11_DECODER, GstObject);
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typedef struct _GstD3D11DecoderClassData GstD3D11DecoderClassData;
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typedef enum
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{
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GST_DXVA_CODEC_NONE,
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GST_DXVA_CODEC_MPEG2,
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GST_DXVA_CODEC_H264,
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GST_DXVA_CODEC_H265,
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GST_DXVA_CODEC_VP8,
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GST_DXVA_CODEC_VP9,
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GST_DXVA_CODEC_AV1,
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/* the last of supported codec */
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GST_DXVA_CODEC_LAST
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} GstDXVACodec;
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typedef struct
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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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} GstD3D11DecoderSubClassData;
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typedef struct _GstD3D11DecodeInputStreamArgs
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{
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gpointer picture_params;
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gsize picture_params_size;
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gpointer slice_control;
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gsize slice_control_size;
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gpointer bitstream;
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gsize bitstream_size;
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gpointer inverse_quantization_matrix;
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gsize inverse_quantization_matrix_size;
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} GstD3D11DecodeInputStreamArgs;
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GstD3D11Decoder * gst_d3d11_decoder_new (GstD3D11Device * device,
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GstDXVACodec codec);
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gboolean gst_d3d11_decoder_is_configured (GstD3D11Decoder * decoder);
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gboolean gst_d3d11_decoder_configure (GstD3D11Decoder * decoder,
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GstVideoCodecState * input_state,
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GstVideoInfo * info,
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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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gboolean gst_d3d11_decoder_decode_frame (GstD3D11Decoder * decoder,
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ID3D11VideoDecoderOutputView * output_view,
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GstD3D11DecodeInputStreamArgs * input_args);
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GstBuffer * gst_d3d11_decoder_get_output_view_buffer (GstD3D11Decoder * decoder,
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GstVideoDecoder * videodec);
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ID3D11VideoDecoderOutputView * gst_d3d11_decoder_get_output_view_from_buffer (GstD3D11Decoder * decoder,
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GstBuffer * buffer,
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guint8 * view_id);
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gboolean gst_d3d11_decoder_process_output (GstD3D11Decoder * decoder,
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GstVideoDecoder * videodec,
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gint display_width,
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gint display_height,
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GstBuffer * decoder_buffer,
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GstBuffer ** output);
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gboolean gst_d3d11_decoder_negotiate (GstD3D11Decoder * decoder,
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GstVideoDecoder * videodec);
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gboolean gst_d3d11_decoder_decide_allocation (GstD3D11Decoder * decoder,
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GstVideoDecoder * videodec,
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GstQuery * query);
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gboolean gst_d3d11_decoder_set_flushing (GstD3D11Decoder * decoder,
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GstVideoDecoder * videodec,
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gboolean flushing);
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/* Utils for class registration */
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typedef struct _GstDXVAResolution
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{
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guint width;
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guint height;
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} GstDXVAResolution;
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static const GstDXVAResolution gst_dxva_resolutions[] = {
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{1920, 1088}, {2560, 1440}, {3840, 2160}, {4096, 2160},
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{7680, 4320}, {8192, 4320}
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};
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gboolean gst_d3d11_decoder_util_is_legacy_device (GstD3D11Device * device);
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gboolean gst_d3d11_decoder_get_supported_decoder_profile (GstD3D11Device * device,
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GstDXVACodec codec,
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GstVideoFormat format,
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const GUID ** selected_profile);
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gboolean gst_d3d11_decoder_supports_format (GstD3D11Device * device,
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const GUID * decoder_profile,
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DXGI_FORMAT format);
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gboolean gst_d3d11_decoder_supports_resolution (GstD3D11Device * device,
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const GUID * decoder_profile,
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DXGI_FORMAT format,
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guint width,
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guint height);
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GstD3D11DecoderClassData * gst_d3d11_decoder_class_data_new (GstD3D11Device * device,
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GstDXVACodec codec,
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GstCaps * sink_caps,
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GstCaps * src_caps,
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guint max_resolution);
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void gst_d3d11_decoder_class_data_fill_subclass_data (GstD3D11DecoderClassData * data,
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GstD3D11DecoderSubClassData * subclass_data);
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void gst_d3d11_decoder_proxy_class_init (GstElementClass * klass,
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GstD3D11DecoderClassData * data,
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const gchar * author);
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void gst_d3d11_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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GstD3D11DecoderSubClassData * subclass_data);
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gboolean gst_d3d11_decoder_proxy_open (GstVideoDecoder * videodec,
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GstD3D11DecoderSubClassData * subclass_data,
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GstD3D11Device ** device,
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GstD3D11Decoder ** decoder);
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G_END_DECLS
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#endif /* __GST_D3D11_DECODER_H__ */
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