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/*
    Copyright (C) 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.

*/

#include <boost/test/unit_test.hpp>
#include "test.h"
#include "sound_frame.h"
#include "exceptions.h"
#include <sndfile.h>

BOOST_AUTO_TEST_CASE (sound_frame_test)
{
	int const frame_length = 2000;
	int const channels = 6;

	dcp::SoundFrame frame (
		private_test / "TONEPLATES-SMPTE-PLAINTEXT_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV/pcm_95734608-5d47-4d3f-bf5f-9e9186b66afa_.mxf",
		42,
		0
		);

	BOOST_REQUIRE_EQUAL (frame.size(), channels * frame_length * 3);

	boost::filesystem::path ref_file = private_test / "data" / "frame.wav";
	SF_INFO info;
	info.format = 0;
	SNDFILE* sndfile = sf_open (ref_file.string().c_str(), SFM_READ, &info);
	BOOST_REQUIRE (sndfile);

	int ref_data[frame_length * channels];
	int const read = sf_readf_int (sndfile, ref_data, frame_length);
	BOOST_REQUIRE_EQUAL (read, frame_length);

	uint8_t const * p = frame.data ();
	for (int i = 0; i < (frame_length * channels); ++i) {
		int x = ref_data[i] >> 8;
		if (x < 0) {
			x = (1 << 24) + x;
		}
		int const y = p[0] | (p[1] << 8) | (p[2] << 16);
		BOOST_REQUIRE_EQUAL (x, y);
		p += 3;
	}
}

BOOST_AUTO_TEST_CASE (sound_frame_test2)
{
	BOOST_CHECK_THROW (dcp::SoundFrame ("frobozz", 42, 0), dcp::FileError);
	BOOST_CHECK_THROW (dcp::SoundFrame (
				   private_test /
				   "TONEPLATES-SMPTE-PLAINTEXT_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV/pcm_95734608-5d47-4d3f-bf5f-9e9186b66afa_.mxf",
				   999999999, 0
				   ), dcp::DCPReadError
		);
}