From 69a70ef632d136e735ea1acc2a4dc23998e892f9 Mon Sep 17 00:00:00 2001
From: Cedric BAIL <cedric.bail@free.fr>
Date: Wed, 5 Oct 2011 09:39:32 +0000
Subject: [PATCH] emotion: FPS tracking.

SVN revision: 63830
---
 .../src/modules/gstreamer/emotion_gstreamer.c |  3 +++
 .../src/modules/gstreamer/emotion_gstreamer.h |  6 +++++
 .../src/modules/gstreamer/emotion_sink.c      | 27 +++++++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/legacy/emotion/src/modules/gstreamer/emotion_gstreamer.c b/legacy/emotion/src/modules/gstreamer/emotion_gstreamer.c
index 48a6e6a727..1e9a40fd58 100644
--- a/legacy/emotion/src/modules/gstreamer/emotion_gstreamer.c
+++ b/legacy/emotion/src/modules/gstreamer/emotion_gstreamer.c
@@ -8,6 +8,7 @@
 #include "Emotion.h"
 
 int _emotion_gstreamer_log_domain = -1;
+Eina_Bool debug_fps = EINA_FALSE;
 
 /* Callbacks to get the eos */
 static void _for_each_tag    (GstTagList const* list, gchar const* tag, void *data);
@@ -1279,6 +1280,8 @@ module_open(Evas_Object           *obj,
 
    ecore_event_handler_add(ECORE_X_EVENT_WINDOW_DESTROY, _ecore_event_x_destroy, NULL);
 
+   if (getenv("EMOTION_FPS_DEBUG")) debug_fps = EINA_TRUE;
+
    eina_threads_init();
 
    *module = &em_module;
diff --git a/legacy/emotion/src/modules/gstreamer/emotion_gstreamer.h b/legacy/emotion/src/modules/gstreamer/emotion_gstreamer.h
index c4afd13750..2ed284fc9b 100644
--- a/legacy/emotion/src/modules/gstreamer/emotion_gstreamer.h
+++ b/legacy/emotion/src/modules/gstreamer/emotion_gstreamer.h
@@ -125,6 +125,11 @@ struct _Emotion_Gstreamer_Video
    int               in;
    int               out;
 
+   int frames;
+   int flapse;
+   double rtime;
+   double rlapse;
+
    struct
    {
       int            width;
@@ -201,6 +206,7 @@ struct _Emotion_Gstreamer_Message
    GstMessage *msg;
 };
 
+extern Eina_Bool debug_fps;
 extern int _emotion_gstreamer_log_domain;
 #define DBG(...) EINA_LOG_DOM_DBG(_emotion_gstreamer_log_domain, __VA_ARGS__)
 #define INF(...) EINA_LOG_DOM_INFO(_emotion_gstreamer_log_domain, __VA_ARGS__)
diff --git a/legacy/emotion/src/modules/gstreamer/emotion_sink.c b/legacy/emotion/src/modules/gstreamer/emotion_sink.c
index f2273b7980..cc0fe49fbe 100644
--- a/legacy/emotion/src/modules/gstreamer/emotion_sink.c
+++ b/legacy/emotion/src/modules/gstreamer/emotion_sink.c
@@ -648,6 +648,31 @@ evas_video_sink_render(GstBaseSink* bsink, GstBuffer* buffer)
    return GST_FLOW_OK;
 }
 
+static void
+_update_emotion_fps(Emotion_Gstreamer_Video *ev)
+{
+   double tim;
+
+   if (!debug_fps) return ;
+
+   tim = ecore_time_get();
+   ev->frames++;
+
+   if (ev->rlapse == 0.0)
+     {
+        ev->rlapse = tim;
+        ev->flapse = ev->frames;
+     }
+   else if ((tim - ev->rlapse) >= 0.5)
+     {
+        printf("FRAME: %i, FPS: %3.1f\n",
+               ev->frames,
+               (ev->frames - ev->flapse) / (tim - ev->rlapse));
+        ev->rlapse = tim;
+        ev->flapse = ev->frames;
+     }
+}
+
 static void
 evas_video_sink_samsung_main_render(void *data)
 {
@@ -719,6 +744,8 @@ evas_video_sink_samsung_main_render(void *data)
    evas_object_image_size_set(priv->o, stride, elevation);
    evas_object_image_fill_set(priv->o, 0, 0, send->ev->fill.width, send->ev->fill.height);
 
+   _update_emotion_fps(send->ev);
+
    evas_data = evas_object_image_data_get(priv->o, 1);
 
    if (priv->func)