mpd/test/test_vorbis_encoder.cxx

100 lines
2.4 KiB
C++

/*
* Copyright 2003-2022 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 "encoder/EncoderList.hxx"
#include "encoder/EncoderPlugin.hxx"
#include "encoder/EncoderInterface.hxx"
#include "encoder/ToOutputStream.hxx"
#include "pcm/AudioFormat.hxx"
#include "config/Block.hxx"
#include "io/StdioOutputStream.hxx"
#include "tag/Tag.hxx"
#include "tag/Builder.hxx"
#include "util/PrintException.hxx"
#include <cassert>
#include <memory>
#include <stddef.h>
int
main([[maybe_unused]] int argc, [[maybe_unused]] char **argv)
try {
/* create the encoder */
const auto plugin = encoder_plugin_get("vorbis");
assert(plugin != nullptr);
ConfigBlock block;
block.AddBlockParam("quality", "5.0", -1);
std::unique_ptr<PreparedEncoder> p_encoder(encoder_init(*plugin, block));
assert(p_encoder != nullptr);
/* open the encoder */
AudioFormat audio_format(44100, SampleFormat::S16, 2);
std::unique_ptr<Encoder> encoder(p_encoder->Open(audio_format));
assert(encoder != nullptr);
StdioOutputStream os(stdout);
EncoderToOutputStream(os, *encoder);
/* write a block of data */
static constexpr std::byte zero[256]{};
encoder->Write(std::span{zero});
EncoderToOutputStream(os, *encoder);
/* write a tag */
encoder->PreTag();
EncoderToOutputStream(os, *encoder);
Tag tag;
{
TagBuilder tag_builder;
tag_builder.AddItem(TAG_ARTIST, "Foo");
tag_builder.AddItem(TAG_TITLE, "Bar");
tag_builder.Commit(tag);
}
encoder->SendTag(tag);
EncoderToOutputStream(os, *encoder);
/* write another block of data */
encoder->Write(std::span{zero});
/* finish */
encoder->End();
EncoderToOutputStream(os, *encoder);
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}