mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-17 13:56:32 +00:00
4d70b9f87c
Apparently mesa 22.3.0 has updated the egl headers, and eglplatform.h now
contains commit
3670d645f4
after which xlib headers don't get included by default anymore but are
dependent upon whether USE_X11 was defined.
This breaks headless builds of gstreamer-vaapi because we always define
an internal define USE_X11 as either 1 or 0.
Change these defines to GST_VAAPI_USE_XYZ instead to avoid this.
Fixes #1634
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3555>
637 lines
20 KiB
C
637 lines
20 KiB
C
/*
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* gstvaapivideobufferpool.c - Gstreamer/VA video buffer pool
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*
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* Copyright (C) 2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "gstcompat.h"
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#include "gstvaapivideobufferpool.h"
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#include "gstvaapivideobuffer.h"
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#include "gstvaapivideomemory.h"
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#include "gstvaapipluginutil.h"
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#if (GST_VAAPI_USE_GLX || GST_VAAPI_USE_EGL)
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#include "gstvaapivideometa_texture.h"
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#endif
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GST_DEBUG_CATEGORY_STATIC (gst_debug_vaapivideopool);
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#define GST_CAT_DEFAULT gst_debug_vaapivideopool
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enum
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{
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PROP_0,
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PROP_DISPLAY,
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};
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struct _GstVaapiVideoBufferPoolPrivate
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{
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GstAllocator *allocator;
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GstVideoInfo vmeta_vinfo;
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GstVaapiDisplay *display;
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guint options;
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guint use_dmabuf_memory:1;
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guint forced_video_meta:1;
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/* Map between surface and GstMemory, only DMA */
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GHashTable *dma_mem_map;
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};
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G_DEFINE_TYPE_WITH_PRIVATE (GstVaapiVideoBufferPool,
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gst_vaapi_video_buffer_pool, GST_TYPE_BUFFER_POOL);
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static void
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gst_vaapi_video_buffer_pool_finalize (GObject * object)
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{
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GstVaapiVideoBufferPoolPrivate *const priv =
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GST_VAAPI_VIDEO_BUFFER_POOL (object)->priv;
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gst_vaapi_display_replace (&priv->display, NULL);
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gst_clear_object (&priv->allocator);
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if (priv->dma_mem_map)
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g_hash_table_destroy (priv->dma_mem_map);
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G_OBJECT_CLASS (gst_vaapi_video_buffer_pool_parent_class)->finalize (object);
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}
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static void
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gst_vaapi_video_buffer_pool_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstVaapiVideoBufferPoolPrivate *const priv =
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GST_VAAPI_VIDEO_BUFFER_POOL (object)->priv;
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switch (prop_id) {
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case PROP_DISPLAY:
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priv->display = g_value_dup_object (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_vaapi_video_buffer_pool_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstVaapiVideoBufferPoolPrivate *const priv =
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GST_VAAPI_VIDEO_BUFFER_POOL (object)->priv;
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switch (prop_id) {
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case PROP_DISPLAY:
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g_value_set_pointer (value, priv->display);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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fill_video_alignment (GstVaapiVideoBufferPool * pool, GstVideoAlignment * align)
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{
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GstVideoInfo *const vip = &pool->priv->vmeta_vinfo;
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guint i;
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gint nth_bit;
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gst_video_alignment_reset (align);
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for (i = 0; i < GST_VIDEO_INFO_N_PLANES (vip); i++) {
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nth_bit = g_bit_nth_lsf (GST_VIDEO_INFO_PLANE_STRIDE (vip, i), 0);
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if (nth_bit >= 0)
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align->stride_align[i] = (1U << nth_bit) - 1;
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}
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}
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static const gchar **
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gst_vaapi_video_buffer_pool_get_options (GstBufferPool * pool)
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{
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static const gchar *g_options[] = {
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GST_BUFFER_POOL_OPTION_VIDEO_META,
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GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META,
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GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META,
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GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT,
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NULL,
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};
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return g_options;
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}
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static gboolean
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gst_vaapi_video_buffer_pool_set_config (GstBufferPool * pool,
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GstStructure * config)
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{
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GstVaapiVideoBufferPool *const base_pool = GST_VAAPI_VIDEO_BUFFER_POOL (pool);
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GstVaapiVideoBufferPoolPrivate *const priv = base_pool->priv;
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GstCaps *caps;
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GstVideoInfo new_allocation_vinfo;
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const GstVideoInfo *allocator_vinfo;
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const GstVideoInfo *negotiated_vinfo;
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GstVideoAlignment align;
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GstAllocator *allocator;
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gboolean ret;
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guint size, min_buffers, max_buffers;
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guint surface_alloc_flags;
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GST_DEBUG_OBJECT (base_pool, "config %" GST_PTR_FORMAT, config);
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caps = NULL;
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if (!gst_buffer_pool_config_get_params (config, &caps, &size, &min_buffers,
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&max_buffers))
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goto error_invalid_config;
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if (!caps)
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goto error_no_caps;
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if (!gst_video_info_from_caps (&new_allocation_vinfo, caps))
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goto error_invalid_caps;
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if (!gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META))
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goto error_no_vaapi_video_meta_option;
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allocator = NULL;
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if (!gst_buffer_pool_config_get_allocator (config, &allocator, NULL))
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goto error_invalid_allocator;
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/* it is a valid allocator? */
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if (allocator
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&& (g_strcmp0 (allocator->mem_type, GST_VAAPI_VIDEO_MEMORY_NAME) != 0
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&& g_strcmp0 (allocator->mem_type,
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GST_VAAPI_DMABUF_ALLOCATOR_NAME) != 0))
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goto error_invalid_allocator;
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/* get the allocator properties */
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if (allocator) {
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priv->use_dmabuf_memory = gst_vaapi_is_dmabuf_allocator (allocator);
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negotiated_vinfo =
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gst_allocator_get_vaapi_negotiated_video_info (allocator);
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allocator_vinfo =
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gst_allocator_get_vaapi_video_info (allocator, &surface_alloc_flags);
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} else {
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priv->use_dmabuf_memory = FALSE;
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negotiated_vinfo = NULL;
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allocator_vinfo = NULL;
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surface_alloc_flags = 0;
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}
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/* reset or update the allocator if video resolution changed */
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if (allocator_vinfo
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&& gst_video_info_changed (allocator_vinfo, &new_allocation_vinfo)) {
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gst_object_replace ((GstObject **) & priv->allocator, NULL);
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/* dmabuf allocator can change its parameters: no need to create a
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* new one */
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if (priv->use_dmabuf_memory) {
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gst_allocator_set_vaapi_video_info (allocator, &new_allocation_vinfo,
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surface_alloc_flags);
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} else {
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allocator = NULL;
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}
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}
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/* create a new allocator if needed */
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if (!allocator) {
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/* if no allocator set, let's create a VAAPI one */
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allocator = gst_vaapi_video_allocator_new (priv->display,
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&new_allocation_vinfo, surface_alloc_flags, 0);
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if (!allocator)
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goto error_no_allocator;
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if (negotiated_vinfo) {
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gst_allocator_set_vaapi_negotiated_video_info (allocator,
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negotiated_vinfo);
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}
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GST_INFO_OBJECT (base_pool, "created new allocator %" GST_PTR_FORMAT,
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allocator);
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gst_buffer_pool_config_set_allocator (config, allocator, NULL);
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gst_object_unref (allocator);
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}
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/* use the allocator and set the video info for the vmeta */
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if (allocator) {
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if (priv->allocator)
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gst_object_unref (priv->allocator);
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if ((priv->allocator = allocator))
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gst_object_ref (allocator);
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negotiated_vinfo =
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gst_allocator_get_vaapi_negotiated_video_info (priv->allocator);
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allocator_vinfo = gst_allocator_get_vaapi_video_info (allocator, NULL);
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priv->vmeta_vinfo = (negotiated_vinfo) ?
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*negotiated_vinfo : *allocator_vinfo;
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/* last resource to set the correct buffer size */
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if (GST_VIDEO_INFO_SIZE (allocator_vinfo) != size) {
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gst_buffer_pool_config_set_params (config, caps,
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GST_VIDEO_INFO_SIZE (allocator_vinfo), min_buffers, max_buffers);
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}
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}
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if (!priv->allocator)
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goto error_no_allocator;
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priv->options = 0;
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if (gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_META)) {
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priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META;
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} else if (gst_caps_is_video_raw (caps) && !priv->use_dmabuf_memory) {
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gint i;
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for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&new_allocation_vinfo); i++) {
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if (GST_VIDEO_INFO_PLANE_OFFSET (&new_allocation_vinfo, i) !=
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GST_VIDEO_INFO_PLANE_OFFSET (&priv->vmeta_vinfo, i) ||
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GST_VIDEO_INFO_PLANE_STRIDE (&new_allocation_vinfo, i) !=
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GST_VIDEO_INFO_PLANE_STRIDE (&priv->vmeta_vinfo, i) ||
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GST_VIDEO_INFO_SIZE (&new_allocation_vinfo) !=
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GST_VIDEO_INFO_SIZE (&priv->vmeta_vinfo)) {
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priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META;
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priv->forced_video_meta = TRUE;
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GST_INFO_OBJECT (base_pool, "adding unrequested video meta");
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break;
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}
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}
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}
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if (gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)) {
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fill_video_alignment (GST_VAAPI_VIDEO_BUFFER_POOL (pool), &align);
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gst_buffer_pool_config_set_video_alignment (config, &align);
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}
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if (!priv->use_dmabuf_memory && gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META))
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priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_GL_TEXTURE_UPLOAD;
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ret =
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GST_BUFFER_POOL_CLASS
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(gst_vaapi_video_buffer_pool_parent_class)->set_config (pool, config);
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return ret;
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/* ERRORS */
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error_invalid_config:
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{
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GST_WARNING_OBJECT (base_pool, "invalid config");
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return FALSE;
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}
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error_no_caps:
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{
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GST_WARNING_OBJECT (base_pool, "no caps in config");
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return FALSE;
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}
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error_invalid_caps:
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{
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GST_WARNING_OBJECT (base_pool, "invalid caps %" GST_PTR_FORMAT, caps);
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return FALSE;
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}
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error_invalid_allocator:
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{
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GST_INFO_OBJECT (base_pool, "no allocator in config");
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return FALSE;
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}
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error_no_vaapi_video_meta_option:
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{
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GST_WARNING_OBJECT (base_pool, "no GstVaapiVideoMeta option in config");
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return FALSE;
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}
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error_no_allocator:
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{
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GST_WARNING_OBJECT (base_pool, "no allocator defined");
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return FALSE;
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}
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}
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static void
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vaapi_buffer_pool_cache_dma_mem (GstVaapiVideoBufferPool * pool,
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GstVaapiSurfaceProxy * proxy, GstMemory * mem)
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{
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GstVaapiVideoBufferPoolPrivate *const priv = pool->priv;
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GstVaapiSurface *surface;
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surface = GST_VAAPI_SURFACE_PROXY_SURFACE (proxy);
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g_assert (surface);
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g_assert (gst_vaapi_surface_peek_buffer_proxy (surface));
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if (!priv->dma_mem_map)
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priv->dma_mem_map = g_hash_table_new_full (g_direct_hash,
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g_direct_equal, NULL, (GDestroyNotify) gst_memory_unref);
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if (!g_hash_table_contains (priv->dma_mem_map, surface)) {
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g_hash_table_insert (priv->dma_mem_map, surface, gst_memory_ref (mem));
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} else {
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g_assert (g_hash_table_lookup (priv->dma_mem_map, surface) == mem);
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}
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}
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static GstMemory *
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vaapi_buffer_pool_lookup_dma_mem (GstVaapiVideoBufferPool * pool,
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GstVaapiSurfaceProxy * proxy)
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{
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GstVaapiSurface *surface;
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GstVaapiVideoBufferPoolPrivate *const priv = pool->priv;
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GstVaapiBufferProxy *buf_proxy;
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GstMemory *mem;
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g_assert (priv->use_dmabuf_memory);
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if (!priv->dma_mem_map)
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return NULL;
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surface = GST_VAAPI_SURFACE_PROXY_SURFACE (proxy);
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g_assert (surface);
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buf_proxy = gst_vaapi_surface_peek_buffer_proxy (surface);
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/* Have not exported yet */
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if (!buf_proxy) {
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g_assert (!g_hash_table_contains (priv->dma_mem_map, surface));
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return NULL;
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}
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mem = g_hash_table_lookup (priv->dma_mem_map, surface);
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g_assert (mem);
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return gst_memory_ref (mem);
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}
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static GstFlowReturn
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gst_vaapi_video_buffer_pool_alloc_buffer (GstBufferPool * pool,
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GstBuffer ** out_buffer_ptr, GstBufferPoolAcquireParams * params)
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{
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GstVaapiVideoBufferPool *const base_pool = GST_VAAPI_VIDEO_BUFFER_POOL (pool);
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GstVaapiVideoBufferPoolPrivate *const priv = base_pool->priv;
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GstVaapiVideoBufferPoolAcquireParams *const priv_params =
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(GstVaapiVideoBufferPoolAcquireParams *) params;
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GstVaapiVideoMeta *meta;
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GstMemory *mem;
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GstBuffer *buffer;
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if (!priv->allocator)
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goto error_no_allocator;
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meta = gst_vaapi_video_meta_new (priv->display);
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if (!meta)
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goto error_create_meta;
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buffer = gst_vaapi_video_buffer_new (meta);
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if (!buffer)
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goto error_create_buffer;
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if (priv_params && priv_params->proxy)
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gst_vaapi_video_meta_set_surface_proxy (meta, priv_params->proxy);
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if (priv->use_dmabuf_memory) {
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mem = NULL;
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if (priv_params && priv_params->proxy) {
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mem = vaapi_buffer_pool_lookup_dma_mem (base_pool, priv_params->proxy);
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if (!mem) {
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mem = gst_vaapi_dmabuf_memory_new (priv->allocator, meta);
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if (!mem)
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goto error_create_memory;
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vaapi_buffer_pool_cache_dma_mem (base_pool, priv_params->proxy, mem);
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}
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} else {
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mem = gst_vaapi_dmabuf_memory_new (priv->allocator, meta);
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}
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} else {
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mem = gst_vaapi_video_memory_new (priv->allocator, meta);
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}
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if (!mem)
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goto error_create_memory;
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gst_vaapi_video_meta_replace (&meta, NULL);
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gst_buffer_append_memory (buffer, mem);
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if (priv->options & GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META) {
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GstVideoInfo *const vip = &priv->vmeta_vinfo;
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GstVideoMeta *vmeta;
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vmeta = gst_buffer_add_video_meta_full (buffer, 0,
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GST_VIDEO_INFO_FORMAT (vip), GST_VIDEO_INFO_WIDTH (vip),
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GST_VIDEO_INFO_HEIGHT (vip), GST_VIDEO_INFO_N_PLANES (vip),
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&GST_VIDEO_INFO_PLANE_OFFSET (vip, 0),
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&GST_VIDEO_INFO_PLANE_STRIDE (vip, 0));
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if (GST_VAAPI_IS_VIDEO_MEMORY (mem)) {
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vmeta->map = gst_video_meta_map_vaapi_memory;
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vmeta->unmap = gst_video_meta_unmap_vaapi_memory;
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}
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GST_META_FLAG_SET (vmeta, GST_META_FLAG_POOLED);
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}
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#if (GST_VAAPI_USE_GLX || GST_VAAPI_USE_EGL)
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if (priv->options & GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_GL_TEXTURE_UPLOAD) {
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GstMeta *tex_meta = gst_buffer_add_texture_upload_meta (buffer);
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if (tex_meta)
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GST_META_FLAG_SET (tex_meta, GST_META_FLAG_POOLED);
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}
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#endif
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*out_buffer_ptr = buffer;
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return GST_FLOW_OK;
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/* ERRORS */
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error_no_allocator:
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{
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GST_ERROR_OBJECT (base_pool, "no GstAllocator in buffer pool");
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return GST_FLOW_ERROR;
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}
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error_create_meta:
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{
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GST_ERROR_OBJECT (base_pool, "failed to allocate vaapi video meta");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
error_create_buffer:
|
|
{
|
|
GST_ERROR_OBJECT (base_pool, "failed to create video buffer");
|
|
gst_vaapi_video_meta_unref (meta);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
error_create_memory:
|
|
{
|
|
GST_ERROR_OBJECT (base_pool, "failed to create video memory");
|
|
gst_buffer_unref (buffer);
|
|
gst_vaapi_video_meta_unref (meta);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_vaapi_video_buffer_pool_acquire_buffer (GstBufferPool * pool,
|
|
GstBuffer ** out_buffer_ptr, GstBufferPoolAcquireParams * params)
|
|
{
|
|
GstVaapiVideoBufferPool *const base_pool = GST_VAAPI_VIDEO_BUFFER_POOL (pool);
|
|
GstVaapiVideoBufferPoolPrivate *const priv = base_pool->priv;
|
|
GstVaapiVideoBufferPoolAcquireParams *const priv_params =
|
|
(GstVaapiVideoBufferPoolAcquireParams *) params;
|
|
GstFlowReturn ret;
|
|
GstBuffer *buffer;
|
|
GstMemory *mem;
|
|
GstVaapiVideoMeta *meta;
|
|
GstVaapiSurface *surface;
|
|
|
|
ret =
|
|
GST_BUFFER_POOL_CLASS
|
|
(gst_vaapi_video_buffer_pool_parent_class)->acquire_buffer (pool, &buffer,
|
|
params);
|
|
|
|
if (!priv->use_dmabuf_memory || !params || !priv_params->proxy
|
|
|| ret != GST_FLOW_OK) {
|
|
*out_buffer_ptr = buffer;
|
|
return ret;
|
|
}
|
|
|
|
/* Some pool users, such as decode, needs to acquire a buffer for a
|
|
* specified surface (via surface proxy). If not it is a DMABuf, we
|
|
* just replace the underlying surface proxy of buffer's
|
|
* GstVaapiVideoMeta. But in DMABuf case, the thing is a little bit
|
|
* more complicated:
|
|
*
|
|
* For DMABuf, GstMemory is-a GstFdMemory, which doesn't provide a
|
|
* way to change its FD, thus once created it's bound to a
|
|
* surface. On the other side, for performace reason, when the
|
|
* buffer is released, the buffer and its memory are cached in the
|
|
* buffer pool, and at next acquire_buffer() may still reuse a
|
|
* buffer and its memory. But the pushed surface by the decoder may
|
|
* be different from the one popped by the pool, so we need to
|
|
* replace the buffer's memory with the correct one. */
|
|
g_assert (gst_buffer_n_memory (buffer) == 1);
|
|
|
|
/* Update the underlying surface proxy */
|
|
meta = gst_buffer_get_vaapi_video_meta (buffer);
|
|
if (!meta) {
|
|
*out_buffer_ptr = buffer;
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
gst_vaapi_video_meta_set_surface_proxy (meta, priv_params->proxy);
|
|
|
|
mem = vaapi_buffer_pool_lookup_dma_mem (base_pool, priv_params->proxy);
|
|
if (mem) {
|
|
if (mem == gst_buffer_peek_memory (buffer, 0)) {
|
|
gst_memory_unref (mem);
|
|
*out_buffer_ptr = buffer;
|
|
return GST_FLOW_OK;
|
|
}
|
|
} else {
|
|
/* Should be an unexported surface */
|
|
surface = GST_VAAPI_SURFACE_PROXY_SURFACE (priv_params->proxy);
|
|
g_assert (surface);
|
|
g_assert (gst_vaapi_surface_peek_buffer_proxy (surface) == NULL);
|
|
gst_vaapi_video_meta_set_surface_proxy (meta, priv_params->proxy);
|
|
mem = gst_vaapi_dmabuf_memory_new (priv->allocator, meta);
|
|
if (mem)
|
|
vaapi_buffer_pool_cache_dma_mem (base_pool, priv_params->proxy, mem);
|
|
}
|
|
|
|
if (mem) {
|
|
gst_buffer_replace_memory (buffer, 0, mem);
|
|
gst_buffer_unset_flags (buffer, GST_BUFFER_FLAG_TAG_MEMORY);
|
|
*out_buffer_ptr = buffer;
|
|
return GST_FLOW_OK;
|
|
} else {
|
|
gst_buffer_unref (buffer);
|
|
*out_buffer_ptr = NULL;
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_video_buffer_pool_reset_buffer (GstBufferPool * pool,
|
|
GstBuffer * buffer)
|
|
{
|
|
GstMemory *const mem = gst_buffer_peek_memory (buffer, 0);
|
|
GstVaapiVideoMeta *meta;
|
|
|
|
/* Release the underlying surface proxy */
|
|
if (GST_VAAPI_IS_VIDEO_MEMORY (mem)) {
|
|
gst_vaapi_video_memory_reset_surface (GST_VAAPI_VIDEO_MEMORY_CAST (mem));
|
|
} else if (!gst_vaapi_dmabuf_memory_holds_surface (mem)) {
|
|
/* If mem holds an internally created surface, don't reset it!
|
|
* While surface is passed, we should clear it to avoid wrong
|
|
* reference. */
|
|
meta = gst_buffer_get_vaapi_video_meta (buffer);
|
|
g_assert (meta);
|
|
gst_vaapi_video_meta_set_surface_proxy (meta, NULL);
|
|
}
|
|
|
|
GST_BUFFER_POOL_CLASS (gst_vaapi_video_buffer_pool_parent_class)->reset_buffer
|
|
(pool, buffer);
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_video_buffer_pool_class_init (GstVaapiVideoBufferPoolClass * klass)
|
|
{
|
|
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
|
|
GstBufferPoolClass *const pool_class = GST_BUFFER_POOL_CLASS (klass);
|
|
|
|
GST_DEBUG_CATEGORY_INIT (gst_debug_vaapivideopool,
|
|
"vaapivideopool", 0, "VA-API video pool");
|
|
|
|
object_class->finalize = gst_vaapi_video_buffer_pool_finalize;
|
|
object_class->set_property = gst_vaapi_video_buffer_pool_set_property;
|
|
object_class->get_property = gst_vaapi_video_buffer_pool_get_property;
|
|
pool_class->get_options = gst_vaapi_video_buffer_pool_get_options;
|
|
pool_class->set_config = gst_vaapi_video_buffer_pool_set_config;
|
|
pool_class->alloc_buffer = gst_vaapi_video_buffer_pool_alloc_buffer;
|
|
pool_class->acquire_buffer = gst_vaapi_video_buffer_pool_acquire_buffer;
|
|
pool_class->reset_buffer = gst_vaapi_video_buffer_pool_reset_buffer;
|
|
|
|
/**
|
|
* GstVaapiVideoBufferPool:display:
|
|
*
|
|
* The #GstVaapiDisplay this object is bound to.
|
|
*/
|
|
g_object_class_install_property
|
|
(object_class,
|
|
PROP_DISPLAY,
|
|
g_param_spec_object ("display", "Display",
|
|
"The GstVaapiDisplay to use for this video pool",
|
|
GST_TYPE_VAAPI_DISPLAY, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_video_buffer_pool_init (GstVaapiVideoBufferPool * pool)
|
|
{
|
|
pool->priv = gst_vaapi_video_buffer_pool_get_instance_private (pool);
|
|
pool->priv->dma_mem_map = NULL;
|
|
}
|
|
|
|
GstBufferPool *
|
|
gst_vaapi_video_buffer_pool_new (GstVaapiDisplay * display)
|
|
{
|
|
return g_object_new (GST_VAAPI_TYPE_VIDEO_BUFFER_POOL,
|
|
"display", display, NULL);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_buffer_pool_copy_buffer:
|
|
* @pool: a #GstVaapiVideoBufferPool
|
|
*
|
|
* Returns if the @pool force set of #GstVideoMeta. If so, the element
|
|
* should copy the generated buffer by the pool to a system allocated
|
|
* buffer. Otherwise, downstream could not display correctly the
|
|
* frame.
|
|
*
|
|
* Returns: %TRUE if #GstVideoMeta is forced.
|
|
**/
|
|
gboolean
|
|
gst_vaapi_video_buffer_pool_copy_buffer (GstBufferPool * pool)
|
|
{
|
|
GstVaapiVideoBufferPool *va_pool = (GstVaapiVideoBufferPool *) pool;
|
|
|
|
g_return_val_if_fail (GST_VAAPI_IS_VIDEO_BUFFER_POOL (pool), FALSE);
|
|
|
|
return va_pool->priv->forced_video_meta;
|
|
}
|