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42560c24df
Since DXVA does not support some profiles such as HEVC RExt, vendor specific decoding API is still required. When decoder is negotiated with d3d11 caps, decoder will convert semi-planar frame to planar since semi-planar format (e.g., DXGI_FORMAT_NV12) is not supported by CUDA/D3D11 interop. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5409>
117 lines
4.7 KiB
C
117 lines
4.7 KiB
C
/* GStreamer
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* Copyright (C) 2020 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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#ifndef __GST_NV_DECODER_H__
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#define __GST_NV_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/cuda/gstcuda.h>
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#include <gst/codecs/gstcodecpicture.h>
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#include "gstcuvidloader.h"
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#include "gstnvdecobject.h"
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G_BEGIN_DECLS
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#define GST_TYPE_NV_DECODER (gst_nv_decoder_get_type())
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G_DECLARE_FINAL_TYPE (GstNvDecoder,
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gst_nv_decoder, GST, NV_DECODER, GstObject);
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typedef struct _GstNvDecoderClassData
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{
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GstCaps *sink_caps;
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GstCaps *src_caps;
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guint cuda_device_id;
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gint64 adapter_luid;
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guint max_width;
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guint max_height;
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} GstNvDecoderClassData;
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GstNvDecoder * gst_nv_decoder_new (guint device_id,
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gint64 adapter_luid);
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gboolean gst_nv_decoder_open (GstNvDecoder * decoder,
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GstElement * element);
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gboolean gst_nv_decoder_close (GstNvDecoder * decoder);
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gboolean gst_nv_decoder_is_configured (GstNvDecoder * decoder);
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gboolean gst_nv_decoder_configure (GstNvDecoder * decoder,
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cudaVideoCodec codec,
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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 coded_bitdepth,
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guint pool_size,
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gboolean alloc_aux_frame,
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guint num_output_surfaces,
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guint init_max_width,
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guint init_max_height);
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GstFlowReturn gst_nv_decoder_new_picture (GstNvDecoder * decoder,
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GstCodecPicture * picture);
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gboolean gst_nv_decoder_decode (GstNvDecoder * decoder,
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CUVIDPICPARAMS * params);
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GstFlowReturn gst_nv_decoder_output_picture (GstNvDecoder * decoder,
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GstVideoDecoder * videodec,
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GstVideoCodecFrame * frame,
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GstCodecPicture * picture,
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guint buffer_flags);
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void gst_nv_decoder_set_flushing (GstNvDecoder * decoder,
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gboolean flushing);
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void gst_nv_decoder_reset (GstNvDecoder * decoder);
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/* utils for class registration */
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gboolean gst_nv_decoder_check_device_caps (CUcontext cuda_ctx,
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cudaVideoCodec codec,
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GstCaps **sink_template,
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GstCaps **src_template);
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const gchar * gst_cuda_video_codec_to_string (cudaVideoCodec codec);
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/* helper methods */
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void gst_nv_decoder_handle_set_context (GstNvDecoder * decoder,
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GstElement * element,
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GstContext * context);
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gboolean gst_nv_decoder_handle_query (GstNvDecoder * decoder,
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GstElement * element,
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GstQuery * query);
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gboolean gst_nv_decoder_negotiate (GstNvDecoder * decoder,
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GstVideoDecoder * videodec,
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GstVideoCodecState * input_state);
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gboolean gst_nv_decoder_decide_allocation (GstNvDecoder * decoder,
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GstVideoDecoder * videodec,
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GstQuery * query);
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guint gst_nv_decoder_get_max_output_size (guint coded_size,
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guint user_requested,
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guint device_max);
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G_END_DECLS
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#endif /* __GST_NV_DECODER_H__ */
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