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c8a0d706ca
There could be multi-GPU setups where the non-first has more entrypoints than the first one, and the elements names are not homogeneous, leading to pipeline building error. This patch add the render node in the elements names when they belong to the non-first device. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3491>
136 lines
3.6 KiB
C
136 lines
3.6 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvadevice.h"
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#if HAVE_GUDEV
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#include <gudev/gudev.h>
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#endif
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#define GST_CAT_DEFAULT gstva_debug
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GST_DEBUG_CATEGORY_EXTERN (gstva_debug);
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GST_DEFINE_MINI_OBJECT_TYPE (GstVaDevice, gst_va_device);
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static void
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gst_va_device_free (GstVaDevice * device)
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{
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gst_clear_object (&device->display);
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g_free (device->render_device_path);
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g_free (device);
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}
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static GstVaDevice *
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gst_va_device_new (GstVaDisplay * display, const gchar * render_device_path,
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gint index)
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{
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GstVaDevice *device = g_new0 (GstVaDevice, 1);
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gst_mini_object_init (GST_MINI_OBJECT_CAST (device), 0, GST_TYPE_VA_DEVICE,
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NULL, NULL, (GstMiniObjectFreeFunction) gst_va_device_free);
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/* take ownership */
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device->display = display;
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device->render_device_path = g_strdup (render_device_path);
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device->index = index;
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return device;
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}
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static gint
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compare_device_path (gconstpointer a, gconstpointer b, gpointer user_data)
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{
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const GstVaDevice *pa = a, *pb = b;
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return g_strcmp0 (pa->render_device_path, pb->render_device_path);
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}
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#if HAVE_GUDEV
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GList *
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gst_va_device_find_devices (void)
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{
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GUdevClient *client;
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GList *udev_devices, *dev;
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GQueue devices = G_QUEUE_INIT;
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gint i = 0;
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client = g_udev_client_new (NULL);
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udev_devices = g_udev_client_query_by_subsystem (client, "drm");
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for (dev = udev_devices; dev; dev = g_list_next (dev)) {
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GstVaDisplay *dpy;
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GUdevDevice *udev = (GUdevDevice *) dev->data;
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const gchar *path = g_udev_device_get_device_file (udev);
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const gchar *name = g_udev_device_get_name (udev);
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if (!path || !g_str_has_prefix (name, "renderD")) {
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GST_LOG ("Ignoring %s in %s", name, path);
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continue;
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}
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if (!(dpy = gst_va_display_drm_new_from_path (path)))
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continue;
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GST_INFO ("Found VA-API device: %s", path);
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g_queue_push_head (&devices, gst_va_device_new (dpy, path, i++));
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}
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g_queue_sort (&devices, compare_device_path, NULL);
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g_list_free_full (udev_devices, g_object_unref);
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g_object_unref (client);
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return devices.head;
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}
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#else
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GList *
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gst_va_device_find_devices (void)
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{
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GstVaDisplay *dpy;
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GQueue devices = G_QUEUE_INIT;
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gchar path[64];
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guint i, j = 0;
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for (i = 0; i < 8; i++) {
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g_snprintf (path, sizeof (path), "/dev/dri/renderD%d", 128 + i);
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if (!g_file_test (path, G_FILE_TEST_EXISTS))
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continue;
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if (!(dpy = gst_va_display_drm_new_from_path (path)))
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continue;
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GST_INFO ("Found VA-API device: %s", path);
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g_queue_push_head (&devices, gst_va_device_new (dpy, path, j++));
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}
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g_queue_sort (&devices, compare_device_path, NULL);
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return devices.head;
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}
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#endif
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void
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gst_va_device_list_free (GList * devices)
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{
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g_list_free_full (devices, (GDestroyNotify) gst_mini_object_unref);
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}
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