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#include <stdlib.h>
#include <glib.h>
#include <egg/egg-hack.h>
#define TEST_TIMELINE_FPS 10
#define TEST_TIMELINE_FRAME_COUNT 20
#define TEST_ERROR_TOLERANCE 5
typedef struct _TestState {
EggTimeline *timeline;
GTimeVal start_time;
GTimeVal prev_frame_time;
guint frame;
gint completion_count;
gint passed;
}TestState;
static void
new_frame_cb (EggTimeline *timeline,
gint frame_num,
TestState *state)
{
GTimeVal current_time;
glong total_elapsed_ms;
glong frame_elapsed_ms = 0;
gchar *bump = "";
g_get_current_time (¤t_time);
total_elapsed_ms = (current_time.tv_sec - state->start_time.tv_sec) * 1000;
total_elapsed_ms += (current_time.tv_usec - state->start_time.tv_usec)/1000;
if (state->frame>0)
{
frame_elapsed_ms =
(current_time.tv_sec - state->prev_frame_time.tv_sec) * 1000;
frame_elapsed_ms +=
(current_time.tv_usec - state->prev_frame_time.tv_usec)/1000;
if (ABS(frame_elapsed_ms - (1000/TEST_TIMELINE_FPS))
> TEST_ERROR_TOLERANCE)
{
state->passed = FALSE;
bump = " (BUMP)";
}
}
g_print ("timeline frame=%-2d total elapsed=%-4li(ms) since last frame=%-4li(ms)%s\n",
egg_timeline_get_current_frame(state->timeline),
total_elapsed_ms,
frame_elapsed_ms,
bump);
state->prev_frame_time = current_time;
state->frame++;
}
static void
completed_cb (EggTimeline *timeline,
TestState *state)
{
state->completion_count++;
if (state->completion_count == 2)
{
if (state->passed)
{
g_print("Passed\n");
exit(EXIT_SUCCESS);
}
else
{
g_print("Failed\n");
exit(EXIT_FAILURE);
}
}
}
int
main(int argc, char **argv)
{
TestState state;
egg_init (&argc, &argv);
state.timeline =
egg_timeline_new (TEST_TIMELINE_FRAME_COUNT,
TEST_TIMELINE_FPS);
egg_timeline_set_loop (state.timeline, TRUE);
g_signal_connect (G_OBJECT(state.timeline),
"new-frame",
G_CALLBACK(new_frame_cb),
&state);
g_signal_connect (G_OBJECT(state.timeline),
"completed",
G_CALLBACK(completed_cb),
&state);
state.frame = 0;
state.completion_count = 0;
state.passed = TRUE;
g_get_current_time (&state.start_time);
egg_timeline_start (state.timeline);
egg_main();
return EXIT_FAILURE;
}
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