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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1c7ce208bd
This helper function creates a software-based buffer pool, where if size is zero, its value is retrieved from the canonical size. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5805>
102 lines
2.9 KiB
C
102 lines
2.9 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvapluginutils.h"
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GstVaDisplay *
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gst_va_display_platform_new (const gchar * path)
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{
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#ifdef G_OS_WIN32
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return gst_va_display_win32_new (path);
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#else
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return gst_va_display_drm_new_from_path (path);
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#endif
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}
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void
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gst_va_create_feature_name (GstVaDevice * device,
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const gchar * type_name_default, const gchar * type_name_templ,
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gchar ** type_name, const gchar * feature_name_default,
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const gchar * feature_name_templ, gchar ** feature_name,
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gchar ** desc, guint * rank)
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{
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gchar *basename;
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/* The first element to be registered should use a constant name,
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* like vah264dec, for any additional elements, we create unique
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* names, using inserting the render device name. */
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if (device->index == 0) {
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*type_name = g_strdup (type_name_default);
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*feature_name = g_strdup (feature_name_default);
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g_object_get (device->display, "description", desc, NULL);
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return;
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}
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#ifdef G_OS_WIN32
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basename = g_strdup_printf ("device%d", device->index);
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#else
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basename = g_path_get_basename (device->render_device_path);
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#endif
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*type_name = g_strdup_printf (type_name_templ, basename);
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*feature_name = g_strdup_printf (feature_name_templ, basename);
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g_object_get (device->display, "description", desc, NULL);
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#ifndef G_OS_WIN32
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{
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gchar *newdesc = g_strdup_printf ("%s in %s", *desc, basename);
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g_free (*desc);
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*desc = newdesc;
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}
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#endif
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g_free (basename);
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if (*rank > 0)
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*rank -= 1;
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}
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GstBufferPool *
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gst_va_create_other_pool (GstAllocator * allocator,
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GstAllocationParams * params, GstCaps * caps, guint size)
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{
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GstBufferPool *pool = NULL;
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GstStructure *config;
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if (size == 0) {
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GstVideoInfo info;
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if (!gst_video_info_from_caps (&info, caps))
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return NULL;
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size = GST_VIDEO_INFO_SIZE (&info);
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}
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pool = gst_video_buffer_pool_new ();
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
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gst_buffer_pool_config_set_allocator (config, allocator, params);
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if (!gst_buffer_pool_set_config (pool, config))
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gst_clear_object (&pool);
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return pool;
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}
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