play.cpp

/*
	This file is part of duckOS.

	duckOS 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 3 of the License, or
	(at your option) any later version.

	duckOS 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 duckOS.  If not, see <https://www.gnu.org/licenses/>.

	Copyright (c) Byteduck 2016-2021. All rights reserved.
*/

//A program that writes the contents of a file to stdout.

#include <libduck/File.h>
#include <libduck/Args.h>
#include <libduck/Stream.h>
#include <libsound/Connection.h>
#include <libsound/WavReader.h>
#include <libduck/FormatStream.h>
#include <libsound/Sound.h>

using Duck::File, Duck::Args, Duck::Stream, Duck::ResultRet;

std::string filename;
bool verbose = false;
int start = 0;

int main(int argc, char** argv) {
	Args args;
	args.add_positional(filename, true, "FILE", "The file to play.");
	args.add_flag(verbose, "v", "verbose", "Shows more information about the audio file.");
	args.add_named(start, "s", "start", "The time to start at.");
	args.parse(argc, argv);

	auto wav_res = Sound::WavReader::open_wav(filename);
	if(wav_res.is_error()) {
		Duck::printerrln("Couldn't read audio file: {}", wav_res.message());
		return wav_res.code();
	}
	auto& wav = wav_res.value();

	if(verbose) {
		printf("Sample Rate:  %ld\n", wav->sample_rate());
		printf("Channels:     %d\n",  wav->header().num_channels);
		printf("Format:       %d\n",  wav->header().audio_fmt);
		printf("Format Size:  %ld\n", wav->header().fmt_size);
	}

	auto init_res = Sound::init();
	if(init_res.is_error())
		return init_res.code();

	wav->seek(start);
	auto src = Sound::add_source(wav);
	Sound::wait();

	return 0;
}