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/*
Copyright (C) 2013-2015 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_audio_test.cc
* @brief A simple test of reading audio from an FFmpeg file.
*/
#include <boost/test/unit_test.hpp>
#include <dcp/cpl.h>
#include <dcp/dcp.h>
#include <dcp/sound_asset.h>
#include <dcp/sound_frame.h>
#include <dcp/reel_sound_asset.h>
#include <dcp/reel.h>
#include "lib/sndfile_content.h"
#include "lib/film.h"
#include "lib/dcp_content_type.h"
#include "lib/ratio.h"
#include "lib/ffmpeg_content.h"
#include "test.h"
using std::string;
using boost::lexical_cast;
using boost::shared_ptr;
BOOST_AUTO_TEST_CASE (ffmpeg_audio_test)
{
shared_ptr<Film> film = new_test_film ("ffmpeg_audio_test");
film->set_name ("ffmpeg_audio_test");
shared_ptr<FFmpegContent> c (new FFmpegContent (film, "test/data/staircase.mov"));
film->examine_and_add_content (c);
wait_for_jobs ();
c->set_scale (VideoContentScale (Ratio::from_id ("185")));
film->set_container (Ratio::from_id ("185"));
film->set_audio_channels (6);
film->set_dcp_content_type (DCPContentType::from_pretty_name ("Test"));
film->make_dcp ();
film->write_metadata ();
wait_for_jobs ();
boost::filesystem::path path = "build/test";
path /= "ffmpeg_audio_test";
path /= film->dcp_name ();
dcp::DCP check (path.string ());
check.read ();
shared_ptr<const dcp::ReelSoundAsset> sound_asset = check.cpls().front()->reels().front()->main_sound ();
BOOST_CHECK (sound_asset);
BOOST_CHECK_EQUAL (sound_asset->asset()->channels (), 6);
/* Sample index in the DCP */
int n = 0;
/* DCP sound asset frame */
int frame = 0;
while (n < sound_asset->asset()->intrinsic_duration()) {
shared_ptr<const dcp::SoundFrame> sound_frame = sound_asset->asset()->get_frame (frame++);
uint8_t const * d = sound_frame->data ();
for (int i = 0; i < sound_frame->size(); i += (3 * sound_asset->asset()->channels())) {
if (sound_asset->asset()->channels() > 0) {
/* L should be silent */
int const sample = d[i + 0] | (d[i + 1] << 8);
BOOST_CHECK_EQUAL (sample, 0);
}
if (sound_asset->asset()->channels() > 1) {
/* R should be silent */
int const sample = d[i + 2] | (d[i + 3] << 8);
BOOST_CHECK_EQUAL (sample, 0);
}
if (sound_asset->asset()->channels() > 2) {
/* Mono input so it will appear on centre */
int const sample = d[i + 7] | (d[i + 8] << 8);
BOOST_CHECK_EQUAL (sample, n);
}
if (sound_asset->asset()->channels() > 3) {
/* Lfe should be silent */
int const sample = d[i + 9] | (d[i + 10] << 8);
BOOST_CHECK_EQUAL (sample, 0);
}
if (sound_asset->asset()->channels() > 4) {
/* Ls should be silent */
int const sample = d[i + 11] | (d[i + 12] << 8);
BOOST_CHECK_EQUAL (sample, 0);
}
if (sound_asset->asset()->channels() > 5) {
/* Rs should be silent */
int const sample = d[i + 13] | (d[i + 14] << 8);
BOOST_CHECK_EQUAL (sample, 0);
}
++n;
}
}
}
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