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/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
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.
*/
/** @file test/ffmpeg_seek_test.cc
* @brief Test seek using Player with an FFmpegDecoder; note that the player
* can hide problems with FFmpegDecoder seeking as it will skip frames / insert
* black as it sees fit.
*/
#include <boost/test/unit_test.hpp>
#include "lib/player.h"
#include "lib/ffmpeg_decoder.h"
#include "lib/film.h"
#include "lib/ratio.h"
#include "test.h"
using std::cout;
using std::string;
using std::stringstream;
using boost::shared_ptr;
using boost::optional;
#define FFMPEG_SEEK_TEST_DEBUG 1
optional<DCPTime> first_video;
optional<DCPTime> first_audio;
shared_ptr<Film> film;
static void
process_video (shared_ptr<PlayerImage>, Eyes, ColourConversion, bool, DCPTime t)
{
if (!first_video) {
first_video = t;
}
}
static void
process_audio (shared_ptr<const AudioBuffers>, DCPTime t)
{
if (!first_audio) {
first_audio = t;
}
}
static string
print_time (DCPTime t, float fps)
{
stringstream s;
s << t << " " << (float(t) / TIME_HZ) << "s " << (float(t) * fps / TIME_HZ) << "f";
return s.str ();
}
static void
check (shared_ptr<Player> p, DCPTime t)
{
first_video.reset ();
first_audio.reset ();
#if FFMPEG_SEEK_TEST_DEBUG == 1
cout << "\n-- Seek to " << print_time (t, 24) << "\n";
#endif
p->seek (t, true);
while (!first_video || !first_audio) {
p->pass ();
}
#if FFMPEG_SEEK_TEST_DEBUG == 1
cout << "First video " << print_time (first_video.get(), 24) << "\n";
cout << "First audio " << print_time (first_audio.get(), 24) << "\n";
#endif
/* Outputs should be on or after seek time */
BOOST_CHECK (first_video.get() >= t);
BOOST_CHECK (first_audio.get() >= t);
/* And should be rounded to frame boundaries */
BOOST_CHECK ((first_video.get() % (TIME_HZ / film->video_frame_rate())) == 0);
BOOST_CHECK ((first_audio.get() % (TIME_HZ / film->audio_frame_rate())) == 0);
}
/* Test basic seeking */
BOOST_AUTO_TEST_CASE (ffmpeg_seek_test)
{
film = new_test_film ("ffmpeg_seek_test");
film->set_name ("ffmpeg_seek_test");
film->set_container (Ratio::from_id ("185"));
shared_ptr<FFmpegContent> c (new FFmpegContent (film, "test/data/staircase.mov"));
c->set_ratio (Ratio::from_id ("185"));
film->examine_and_add_content (c);
wait_for_jobs ();
shared_ptr<Player> player = film->make_player ();
player->Video.connect (boost::bind (&process_video, _1, _2, _3, _4, _5));
player->Audio.connect (boost::bind (&process_audio, _1, _2));
check (player, 0);
check (player, 0.1 * TIME_HZ);
check (player, 0.2 * TIME_HZ);
check (player, 0.3 * TIME_HZ);
}
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