| /* 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., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, 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 |
| { |
| PROP_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_static_pad_template (element_class, |
| &cpu_report_sink_template); |
| gst_element_class_add_static_pad_template (element_class, |
| &cpu_report_src_template); |
| |
| gst_element_class_set_static_metadata (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; |
| } |