LUMIERA.clone/tests/library/c-lib/test-time.c
Ichthyostega ada5cefaaf re-arrange tests according to layer structure
the buildsystem will now pick up and link
all test cases according to the layer, e.g.
backend tests will automatically be linked
against the backend + library solely.
2013-01-07 05:43:01 +01:00

181 lines
6.1 KiB
C

/*
TEST-TIME - test the time conversion lib
Copyright (C) Lumiera.org
2010 Stefan Kangas <skangas@skangas.se>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
#include "lib/test/test.h"
#include "lib/time.h"
#include <ctype.h>
#include <nobug.h>
static int
calculate_framecount (gavl_time_t t, uint fps)
{
return lumiera_quantise_frames_fps (t,0,fps);
}
TESTS_BEGIN
const int FRAMES = 15;
const int MILLIS = 700;
const int SECONDS = 20;
const int MINUTES = 55;
const int HOURS = 3;
const int FPS = 24;
/*
* 1. Basic functionality
*/
TEST (basic)
{
// Zero
gavl_time_t t = lumiera_build_time (0,0,0,0);
CHECK ((gavl_time_t) t == 0);
CHECK (lumiera_time_millis (t) == 0);
CHECK (lumiera_time_seconds (t) == 0);
CHECK (lumiera_time_minutes (t) == 0);
CHECK (lumiera_time_hours (t) == 0);
CHECK (lumiera_time_frames (t, FPS) == 0);
CHECK (lumiera_time_frames (t, FPS+5) == 0);
CHECK (calculate_framecount (t,FPS) == 0);
CHECK (calculate_framecount (t, FPS+5) == 0);
ECHO ("%s", lumiera_tmpbuf_print_time (t));
// Non-zero
t = lumiera_build_time (MILLIS, SECONDS, MINUTES, HOURS);
CHECK (lumiera_time_millis (t) == MILLIS);
CHECK (lumiera_time_seconds (t) == SECONDS);
CHECK (lumiera_time_minutes (t) == MINUTES);
CHECK (lumiera_time_hours (t) == HOURS);
CHECK (lumiera_time_frames (t, FPS) == FPS * MILLIS / 1000);
CHECK (lumiera_time_frames (t, FPS+5) == (FPS+5) * MILLIS / 1000);
CHECK (calculate_framecount (t, FPS) == 338896);
CHECK (calculate_framecount (t, FPS+5) == 409500);
ECHO ("%s", lumiera_tmpbuf_print_time (t));
}
/*
* 2. Frame rate dependent calculations.
*/
TEST (fps)
{
gavl_time_t t = lumiera_build_time_fps (FPS, FRAMES, SECONDS, MINUTES, HOURS);
CHECK (lumiera_time_millis (t) == FRAMES * 1000 / FPS);
CHECK (lumiera_time_seconds (t) == SECONDS);
CHECK (lumiera_time_minutes (t) == MINUTES);
CHECK (lumiera_time_hours (t) == HOURS);
CHECK (lumiera_time_frames (t, FPS) == FRAMES);
CHECK (lumiera_time_frames (t, FPS+5) == FRAMES * (FPS+5)/FPS);
CHECK (calculate_framecount (t, FPS) == 338895);
CHECK (calculate_framecount (t, FPS+5) == 409498);
}
/*
* 3. NTSC drop-frame calculations.
*/
TEST (ntsc_drop_frame)
{
// Make sure frame 0 begins at 0
gavl_time_t t = lumiera_build_time_ntsc_drop (0, 0, 0, 0);
CHECK ((gavl_time_t) t == 0);
CHECK (lumiera_time_millis (t) == 0);
CHECK (lumiera_time_seconds (t) == 0);
CHECK (lumiera_time_minutes (t) == 0);
CHECK (lumiera_time_hours (t) == 0);
CHECK (lumiera_time_frames (t, FPS) == 0);
CHECK (lumiera_time_frames (t, FPS+5) == 0);
CHECK (calculate_framecount (t, FPS) == 0);
CHECK (calculate_framecount (t, FPS+5) == 0);
t = lumiera_build_time_ntsc_drop (FRAMES, SECONDS, MINUTES, HOURS);
// Calculate manually what result to expect....
int frames = FRAMES + 30*SECONDS + 30*60*MINUTES + 30*60*60*HOURS; // sum up using nominal 30fps
int minutes_to_drop_frames = (MINUTES - MINUTES/10) + (HOURS * 54); // but every minute, with the exception of every 10 minutes...
frames -= 2*minutes_to_drop_frames; // ...drop 2 frames
int64_t expectedMillis = 1000LL * frames * 1001/30000; // now convert frames to time, using the real framerate
expectedMillis %= 1000; // look at the remainder..
CHECK (lumiera_time_millis (t) == expectedMillis);
CHECK (lumiera_time_seconds (t) == SECONDS); // while all other components should come out equal as set
CHECK (lumiera_time_minutes (t) == MINUTES);
CHECK (lumiera_time_hours (t) == HOURS);
// Reverse calculate frames for NTSC drop
//CHECK (lumiera_quantise_frames (t, 0, dropFrameDuration) == frames); // the total nominal frames
CHECK (lumiera_time_ntsc_drop_frames (t) == FRAMES); // maximum one frame off due to rounding
// Cover the whole value range;
// Manually construct a drop-frame timecode
// Make sure our library function returns the same times.
int min;
int sec;
int frame;
int hrs;
for (hrs = 0; hrs <= 24; hrs += 6)
for (min = 0; min <= 59; min += 1)
for (sec = 0; sec <= 59; sec += 10)
for (frame = 0; frame <= 29; frame++)
{
// Skip dropped frames
if (min % 10 && sec == 0 && frame < 2)
continue;
t = lumiera_build_time_ntsc_drop(frame, sec, min, hrs);
/*
ECHO ("%02d:%02d:%02d;%02d"
, lumiera_time_ntsc_drop_hours (t)
, lumiera_time_ntsc_drop_minutes (t)
, lumiera_time_ntsc_drop_seconds (t)
, lumiera_time_ntsc_drop_frames (t)
);
*/
CHECK (lumiera_time_ntsc_drop_frames (t) == frame);
CHECK (lumiera_time_ntsc_drop_seconds (t) == sec);
CHECK (lumiera_time_ntsc_drop_minutes (t) == min);
CHECK (lumiera_time_ntsc_drop_hours (t) == hrs % 24);
}
// Make sure we do not get non-existent frames
int i;
for (i = 0; i < 59; i++)
{
int frame = (i % 10 == 0) ? 0 : 2;
t = lumiera_build_time_ntsc_drop (frame, 0, i, 0);
CHECK (lumiera_time_ntsc_drop_frames (t) == frame);
}
}
TESTS_END