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/*
 * Copyright 2003-2017 The Music Player Daemon Project
 * http://www.musicpd.org
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "config.h"
#include "encoder/EncoderList.hxx"
#include "encoder/EncoderPlugin.hxx"
#include "encoder/EncoderInterface.hxx"
#include "encoder/ToOutputStream.hxx"
#include "AudioFormat.hxx"
#include "AudioParser.hxx"
#include "config/Block.hxx"
#include "fs/io/StdioOutputStream.hxx"
#include "util/PrintException.hxx"

#include <memory>

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <unistd.h>

int main(int argc, char **argv)
try {
	const char *encoder_name;
	static char buffer[32768];

	/* parse command line */

	if (argc > 3) {
		fprintf(stderr,
			"Usage: run_encoder [ENCODER] [FORMAT] <IN >OUT\n");
		return EXIT_FAILURE;
	}

	if (argc > 1)
		encoder_name = argv[1];
	else
		encoder_name = "vorbis";

	/* create the encoder */

	const auto plugin = encoder_plugin_get(encoder_name);
	if (plugin == NULL) {
		fprintf(stderr, "No such encoder: %s\n", encoder_name);
		return EXIT_FAILURE;
	}

	ConfigBlock block;
	block.AddBlockParam("quality", "5.0", -1);

	std::unique_ptr<PreparedEncoder> p_encoder(encoder_init(*plugin, block));

	/* open the encoder */

	AudioFormat audio_format(44100, SampleFormat::S16, 2);
	if (argc > 2)
		audio_format = ParseAudioFormat(argv[2], false);

	std::unique_ptr<Encoder> encoder(p_encoder->Open(audio_format));

	StdioOutputStream os(stdout);

	EncoderToOutputStream(os, *encoder);

	/* do it */

	ssize_t nbytes;
	while ((nbytes = read(0, buffer, sizeof(buffer))) > 0) {
		encoder->Write(buffer, nbytes);
		EncoderToOutputStream(os, *encoder);
	}

	encoder->End();
	EncoderToOutputStream(os, *encoder);

	return EXIT_SUCCESS;
} catch (...) {
	PrintException(std::current_exception());
	return EXIT_FAILURE;
}