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8c128ead6d
In order to honor GST_BUFFER_POOL_ACQUIRE_FLAG_DONTWAIT in VA pool, allocators' wait_for_memory() has to be decoupled from their prepare_buffer() so it could be called in pools' acquire_buffer() if the flag is not set. wait_for_memory() functions are blocking so the received memories are assigned to the fist requested buffer, if multithreaded calls. For this a new mutex were added. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1815>
82 lines
4.4 KiB
C
82 lines
4.4 KiB
C
/* GStreamer
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* Copyright (C) 2020 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/allocators/allocators.h>
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#include <gst/video/video.h>
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#include "gstvadisplay.h"
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G_BEGIN_DECLS
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#define GST_TYPE_VA_DMABUF_ALLOCATOR (gst_va_dmabuf_allocator_get_type())
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G_DECLARE_FINAL_TYPE (GstVaDmabufAllocator, gst_va_dmabuf_allocator, GST,
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VA_DMABUF_ALLOCATOR, GstDmaBufAllocator);
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GstAllocator * gst_va_dmabuf_allocator_new (GstVaDisplay * display);
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gboolean gst_va_dmabuf_allocator_setup_buffer (GstAllocator * allocator,
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GstBuffer * buffer);
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gboolean gst_va_dmabuf_allocator_prepare_buffer (GstAllocator * allocator,
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GstBuffer * buffer);
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gboolean gst_va_dmabuf_allocator_wait_for_memory (GstAllocator * allocator,
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GstBuffer * buffer);
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void gst_va_dmabuf_allocator_flush (GstAllocator * allocator);
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gboolean gst_va_dmabuf_allocator_set_format (GstAllocator * allocator,
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GstVideoInfo * info,
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guint usage_hint);
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gboolean gst_va_dmabuf_allocator_get_format (GstAllocator * allocator,
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GstVideoInfo * info,
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guint * usage_hint);
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gboolean gst_va_dmabuf_memories_setup (GstVaDisplay * display,
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GstVideoInfo * info,
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guint n_planes,
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GstMemory * mem[GST_VIDEO_MAX_PLANES],
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uintptr_t * fds,
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gsize offset[GST_VIDEO_MAX_PLANES],
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guint usage_hint);
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#define GST_TYPE_VA_ALLOCATOR (gst_va_allocator_get_type())
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G_DECLARE_FINAL_TYPE (GstVaAllocator, gst_va_allocator, GST, VA_ALLOCATOR, GstAllocator);
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#define GST_ALLOCATOR_VASURFACE "VAMemory"
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#define GST_MAP_VA (GST_MAP_FLAG_LAST << 1)
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GstAllocator * gst_va_allocator_new (GstVaDisplay * display,
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GArray * surface_formats);
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GstMemory * gst_va_allocator_alloc (GstAllocator * allocator);
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gboolean gst_va_allocator_prepare_buffer (GstAllocator * allocator,
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GstBuffer * buffer);
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gboolean gst_va_allocator_wait_for_memory (GstAllocator * allocator,
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GstBuffer * buffer);
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void gst_va_allocator_flush (GstAllocator * allocator);
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gboolean gst_va_allocator_set_format (GstAllocator * allocator,
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GstVideoInfo * info,
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guint usage_hint);
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gboolean gst_va_allocator_get_format (GstAllocator * allocator,
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GstVideoInfo * info,
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guint * usage_hint);
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VASurfaceID gst_va_memory_get_surface (GstMemory * mem);
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VASurfaceID gst_va_buffer_get_surface (GstBuffer * buffer);
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G_END_DECLS
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