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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1a945a32cc
v4l2src has a slow path where it does buffer-copies when it runs out of queued buffers. Log this to performance category to help monitoring it.
75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/* GStreamer
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*
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* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* 2006 Edgard Lima <edgard.lima@indt.org.br>
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*
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* gstv4l2.c: plugin for v4l2 elements
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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 "gst/gst-i18n-plugin.h"
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#include <gst/gst.h>
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#include "gstv4l2object.h"
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#include "gstv4l2src.h"
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#include "gstv4l2sink.h"
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/* #include "gstv4l2jpegsrc.h" */
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/* #include "gstv4l2mjpegsrc.h" */
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/* #include "gstv4l2mjpegsink.h" */
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/* used in v4l2_calls.c and v4l2src_calls.c */
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GST_DEBUG_CATEGORY (v4l2_debug);
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GST_DEBUG_CATEGORY (GST_CAT_PERFORMANCE);
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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GST_DEBUG_CATEGORY_INIT (v4l2_debug, "v4l2", 0, "V4L2 API calls");
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GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
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if (!gst_element_register (plugin, "v4l2src", GST_RANK_PRIMARY,
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GST_TYPE_V4L2SRC) ||
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!gst_element_register (plugin, "v4l2sink", GST_RANK_PRIMARY,
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GST_TYPE_V4L2SINK) ||
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/* !gst_element_register (plugin, "v4l2jpegsrc", */
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/* GST_RANK_NONE, GST_TYPE_V4L2JPEGSRC) || */
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/* !gst_element_register (plugin, "v4l2mjpegsrc", */
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/* GST_RANK_NONE, GST_TYPE_V4L2MJPEGSRC) || */
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/* !gst_element_register (plugin, "v4l2mjpegsink", */
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/* GST_RANK_NONE, GST_TYPE_V4L2MJPEGSINK)) */
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FALSE)
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return FALSE;
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#ifdef ENABLE_NLS
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setlocale (LC_ALL, "");
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bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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#endif /* ENABLE_NLS */
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"video4linux2",
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"elements for Video 4 Linux",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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