mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 05:12:09 +00:00
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>
101 lines
2.9 KiB
C
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;
|
|
}
|