/* GStreamer Cpu Report Element * Copyright (C) <2010> Zaheer Abbas Merali <zaheerabbas merali org> * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <gst/gst.h> #include <string.h> #include <math.h> #include <time.h> #include "cpureport.h" enum { ARG_0, }; GstStaticPadTemplate cpu_report_src_template = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); GstStaticPadTemplate cpu_report_sink_template = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); static GstFlowReturn gst_cpu_report_transform_ip (GstBaseTransform * trans, GstBuffer * buf); static gboolean gst_cpu_report_start (GstBaseTransform * trans); static gboolean gst_cpu_report_stop (GstBaseTransform * trans); #define gst_cpu_report_parent_class parent_class G_DEFINE_TYPE (GstCpuReport, gst_cpu_report, GST_TYPE_BASE_TRANSFORM); static void gst_cpu_report_finalize (GObject * obj) { G_OBJECT_CLASS (parent_class)->finalize (obj); } static void gst_cpu_report_class_init (GstCpuReportClass * g_class) { GstBaseTransformClass *gstbasetrans_class; GstElementClass *element_class; GObjectClass *gobject_class; gobject_class = G_OBJECT_CLASS (g_class); element_class = GST_ELEMENT_CLASS (g_class); gstbasetrans_class = GST_BASE_TRANSFORM_CLASS (g_class); gobject_class->finalize = gst_cpu_report_finalize; gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&cpu_report_sink_template)); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&cpu_report_src_template)); gst_element_class_set_details_simple (element_class, "CPU report", "Testing", "Post cpu usage information every buffer", "Zaheer Abbas Merali <zaheerabbas at merali dot org>"); gstbasetrans_class->transform_ip = GST_DEBUG_FUNCPTR (gst_cpu_report_transform_ip); gstbasetrans_class->start = GST_DEBUG_FUNCPTR (gst_cpu_report_start); gstbasetrans_class->stop = GST_DEBUG_FUNCPTR (gst_cpu_report_stop); } static void gst_cpu_report_init (GstCpuReport * report) { gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (report), TRUE); } static GstFlowReturn gst_cpu_report_transform_ip (GstBaseTransform * trans, GstBuffer * buf) { GstCpuReport *filter; GTimeVal cur_time; clock_t cur_cpu_time; GstMessage *msg; GstStructure *s; gint64 time_taken; g_get_current_time (&cur_time); cur_cpu_time = clock (); filter = GST_CPU_REPORT (trans); time_taken = GST_TIMEVAL_TO_TIME (cur_time) - GST_TIMEVAL_TO_TIME (filter->last_time); s = gst_structure_new ("cpu-report", "cpu-time", G_TYPE_DOUBLE, ((gdouble) (cur_cpu_time - filter->last_cpu_time)), "actual-time", G_TYPE_INT64, time_taken, "buffer-time", G_TYPE_INT64, GST_BUFFER_TIMESTAMP (buf), NULL); msg = gst_message_new_element (GST_OBJECT_CAST (filter), s); gst_element_post_message (GST_ELEMENT_CAST (filter), msg); filter->last_time = cur_time; filter->last_cpu_time = cur_cpu_time; return GST_FLOW_OK; } static gboolean gst_cpu_report_start (GstBaseTransform * trans) { GstCpuReport *filter; filter = GST_CPU_REPORT (trans); g_get_current_time (&filter->last_time); filter->start_time = filter->last_time; filter->last_cpu_time = clock (); return TRUE; } static gboolean gst_cpu_report_stop (GstBaseTransform * trans) { /* anything we should be doing here? */ return TRUE; }