gstreamer/subprojects/gst-plugins-bad/sys/va/gstvapluginutils.c
Víctor Manuel Jáquez Leal 1c7ce208bd vapluginsutils: add helper gst_va_create_other_pool()
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>
2023-12-14 12:50:32 +00:00

101 lines
2.9 KiB
C

/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvapluginutils.h"
GstVaDisplay *
gst_va_display_platform_new (const gchar * path)
{
#ifdef G_OS_WIN32
return gst_va_display_win32_new (path);
#else
return gst_va_display_drm_new_from_path (path);
#endif
}
void
gst_va_create_feature_name (GstVaDevice * device,
const gchar * type_name_default, const gchar * type_name_templ,
gchar ** type_name, const gchar * feature_name_default,
const gchar * feature_name_templ, gchar ** feature_name,
gchar ** desc, guint * rank)
{
gchar *basename;
/* The first element to be registered should use a constant name,
* like vah264dec, for any additional elements, we create unique
* names, using inserting the render device name. */
if (device->index == 0) {
*type_name = g_strdup (type_name_default);
*feature_name = g_strdup (feature_name_default);
g_object_get (device->display, "description", desc, NULL);
return;
}
#ifdef G_OS_WIN32
basename = g_strdup_printf ("device%d", device->index);
#else
basename = g_path_get_basename (device->render_device_path);
#endif
*type_name = g_strdup_printf (type_name_templ, basename);
*feature_name = g_strdup_printf (feature_name_templ, basename);
g_object_get (device->display, "description", desc, NULL);
#ifndef G_OS_WIN32
{
gchar *newdesc = g_strdup_printf ("%s in %s", *desc, basename);
g_free (*desc);
*desc = newdesc;
}
#endif
g_free (basename);
if (*rank > 0)
*rank -= 1;
}
GstBufferPool *
gst_va_create_other_pool (GstAllocator * allocator,
GstAllocationParams * params, GstCaps * caps, guint size)
{
GstBufferPool *pool = NULL;
GstStructure *config;
if (size == 0) {
GstVideoInfo info;
if (!gst_video_info_from_caps (&info, caps))
return NULL;
size = GST_VIDEO_INFO_SIZE (&info);
}
pool = gst_video_buffer_pool_new ();
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
gst_buffer_pool_config_set_allocator (config, allocator, params);
if (!gst_buffer_pool_set_config (pool, config))
gst_clear_object (&pool);
return pool;
}