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This new class is a helper for fast/tricky copy of surfaces. First it tries to copy using the function vaCopy in libva 1.12. If it fails, or it's not available, a GstVaFilter is tried to be instantiated with the allocator's parameters, and if succeed, it's used for copying the source surface. This is required for dmabuf surfaces with drm modifier. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1023>
82 lines
4.7 KiB
C
82 lines
4.7 KiB
C
/* GStreamer
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* Copyright (C) 2021 Igalia, S.L.
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* Author: Víctor Jáquez <vjaquez@igalia.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/va/gstvadisplay.h>
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#include <gst/video/video.h>
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#include <va/va.h>
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#include <va/va_drmcommon.h>
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G_BEGIN_DECLS
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/* surfaces */
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gboolean va_create_surfaces (GstVaDisplay * display,
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guint rt_format, guint fourcc,
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guint width, guint height,
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gint usage_hint,
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VASurfaceAttribExternalBuffers * ext_buf,
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VASurfaceID * surfaces,
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guint num_surfaces);
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gboolean va_destroy_surfaces (GstVaDisplay * display,
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VASurfaceID * surfaces,
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gint num_surfaces);
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gboolean va_export_surface_to_dmabuf (GstVaDisplay * display,
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VASurfaceID surface,
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guint32 flags,
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VADRMPRIMESurfaceDescriptor * desc);
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gboolean va_sync_surface (GstVaDisplay * display,
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VASurfaceID surface);
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gboolean va_check_surface (GstVaDisplay * display,
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VASurfaceID surface);
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gboolean va_copy_surface (GstVaDisplay * display,
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VASurfaceID dst,
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VASurfaceID src);
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/* images */
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gboolean va_create_image (GstVaDisplay * display,
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GstVideoFormat format,
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gint width, gint height,
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VAImage * image);
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gboolean va_destroy_image (GstVaDisplay * display,
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VAImageID image_id);
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gboolean va_get_image (GstVaDisplay * display,
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VASurfaceID surface,
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VAImage * image);
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gboolean va_get_derive_image (GstVaDisplay * display,
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VASurfaceID surface,
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VAImage * image);
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gboolean va_put_image (GstVaDisplay * display,
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VASurfaceID surface,
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VAImage * image);
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gboolean va_ensure_image (GstVaDisplay * display,
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VASurfaceID surface,
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GstVideoInfo * info,
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VAImage * image,
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gboolean derived);
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/* mapping */
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gboolean va_map_buffer (GstVaDisplay * display,
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VABufferID buffer,
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gpointer * data);
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gboolean va_unmap_buffer (GstVaDisplay * display,
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VABufferID buffer);
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G_END_DECLS
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