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149 lines
4.1 KiB
C
149 lines
4.1 KiB
C
/* GStreamer Cpu Report Element
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* Copyright (C) <2010> Zaheer Abbas Merali <zaheerabbas merali org>
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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.h>
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#include <string.h>
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#include <math.h>
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#include <time.h>
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#include "cpureport.h"
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enum
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{
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ARG_0,
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};
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GstStaticPadTemplate cpu_report_src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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GstStaticPadTemplate cpu_report_sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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static GstFlowReturn gst_cpu_report_transform_ip (GstBaseTransform * trans,
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GstBuffer * buf);
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static gboolean gst_cpu_report_start (GstBaseTransform * trans);
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static gboolean gst_cpu_report_stop (GstBaseTransform * trans);
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#define gst_cpu_report_parent_class parent_class
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G_DEFINE_TYPE (GstCpuReport, gst_cpu_report, GST_TYPE_BASE_TRANSFORM);
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static void
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gst_cpu_report_finalize (GObject * obj)
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{
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G_OBJECT_CLASS (parent_class)->finalize (obj);
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}
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static void
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gst_cpu_report_class_init (GstCpuReportClass * g_class)
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{
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GstBaseTransformClass *gstbasetrans_class;
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GstElementClass *element_class;
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GObjectClass *gobject_class;
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gobject_class = G_OBJECT_CLASS (g_class);
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element_class = GST_ELEMENT_CLASS (g_class);
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gstbasetrans_class = GST_BASE_TRANSFORM_CLASS (g_class);
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gobject_class->finalize = gst_cpu_report_finalize;
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&cpu_report_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&cpu_report_src_template));
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gst_element_class_set_static_metadata (element_class, "CPU report",
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"Testing",
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"Post cpu usage information every buffer",
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"Zaheer Abbas Merali <zaheerabbas at merali dot org>");
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gstbasetrans_class->transform_ip =
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GST_DEBUG_FUNCPTR (gst_cpu_report_transform_ip);
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gstbasetrans_class->start = GST_DEBUG_FUNCPTR (gst_cpu_report_start);
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gstbasetrans_class->stop = GST_DEBUG_FUNCPTR (gst_cpu_report_stop);
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}
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static void
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gst_cpu_report_init (GstCpuReport * report)
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{
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (report), TRUE);
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}
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static GstFlowReturn
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gst_cpu_report_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
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{
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GstCpuReport *filter;
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GTimeVal cur_time;
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clock_t cur_cpu_time;
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GstMessage *msg;
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GstStructure *s;
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gint64 time_taken;
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g_get_current_time (&cur_time);
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cur_cpu_time = clock ();
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filter = GST_CPU_REPORT (trans);
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time_taken = GST_TIMEVAL_TO_TIME (cur_time) -
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GST_TIMEVAL_TO_TIME (filter->last_time);
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s = gst_structure_new ("cpu-report", "cpu-time", G_TYPE_DOUBLE,
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((gdouble) (cur_cpu_time - filter->last_cpu_time)),
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"actual-time", G_TYPE_INT64, time_taken, "buffer-time", G_TYPE_INT64,
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GST_BUFFER_TIMESTAMP (buf), NULL);
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msg = gst_message_new_element (GST_OBJECT_CAST (filter), s);
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gst_element_post_message (GST_ELEMENT_CAST (filter), msg);
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filter->last_time = cur_time;
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filter->last_cpu_time = cur_cpu_time;
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return GST_FLOW_OK;
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}
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static gboolean
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gst_cpu_report_start (GstBaseTransform * trans)
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{
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GstCpuReport *filter;
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filter = GST_CPU_REPORT (trans);
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g_get_current_time (&filter->last_time);
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filter->start_time = filter->last_time;
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filter->last_cpu_time = clock ();
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return TRUE;
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}
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static gboolean
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gst_cpu_report_stop (GstBaseTransform * trans)
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{
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/* anything we should be doing here? */
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return TRUE;
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}
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