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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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bd25c2738e
Even if decoder is negotiated with CUDA memory feature, if downstream proposed no buffer pool, assume that the pool size is unknown. And disable zero-copy if there's no more free output surface. Or, in case of reverse playback, always copy frames. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5338>
101 lines
3.5 KiB
C
101 lines
3.5 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/cuda/gstcuda.h>
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#include "gstcuvidloader.h"
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G_BEGIN_DECLS
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#define GST_TYPE_NV_DEC_OBJECT (gst_nv_dec_object_get_type())
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G_DECLARE_FINAL_TYPE (GstNvDecObject,
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gst_nv_dec_object, GST, NV_DEC_OBJECT, GstObject);
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#define GST_TYPE_NV_DEC_SURFACE (gst_nv_dec_surface_get_type())
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typedef struct _GstNvDecSurface GstNvDecSurface;
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struct _GstNvDecSurface
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{
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GstMiniObject parent;
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GstNvDecObject *object;
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gint index;
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gint decode_frame_index;
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CUdeviceptr devptr;
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guint pitch;
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guint seq_num;
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};
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GstNvDecObject * gst_nv_dec_object_new (GstCudaContext * context,
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CUVIDDECODECREATEINFO * create_info,
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const GstVideoInfo * video_info,
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gboolean alloc_aux_frame);
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gboolean gst_nv_dec_object_reconfigure (GstNvDecObject * object,
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CUVIDRECONFIGUREDECODERINFO * reconfigure_info,
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const GstVideoInfo * video_info,
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gboolean alloc_aux_frame);
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void gst_nv_dec_object_set_flushing (GstNvDecObject * object,
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gboolean flushing);
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GstFlowReturn gst_nv_dec_object_acquire_surface (GstNvDecObject * object,
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GstNvDecSurface ** surface);
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gboolean gst_nv_dec_object_decode (GstNvDecObject * object,
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CUVIDPICPARAMS * params);
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GstFlowReturn gst_nv_dec_object_map_surface (GstNvDecObject * object,
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GstNvDecSurface * surface,
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GstCudaStream * stream);
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gboolean gst_nv_dec_object_unmap_surface (GstNvDecObject * object,
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GstNvDecSurface * surface);
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GstFlowReturn gst_nv_dec_object_export_surface (GstNvDecObject * object,
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GstNvDecSurface * surface,
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GstCudaStream * stream,
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GstMemory ** memory);
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guint gst_nv_dec_object_get_num_free_surfaces (GstNvDecObject * object);
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GType gst_nv_dec_surface_get_type (void);
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static inline GstNvDecSurface *
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gst_nv_dec_surface_ref (GstNvDecSurface * surface)
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{
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return (GstNvDecSurface *)
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gst_mini_object_ref (GST_MINI_OBJECT_CAST (surface));
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}
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static inline void
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gst_nv_dec_surface_unref (GstNvDecSurface * surface)
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{
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gst_mini_object_unref (GST_MINI_OBJECT_CAST (surface));
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}
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G_END_DECLS
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