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/*
* Copyright 2003-2021 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 "AdPlugDecoderPlugin.h"
#include "tag/Handler.hxx"
#include "../DecoderAPI.hxx"
#include "pcm/CheckAudioFormat.hxx"
#include "fs/Path.hxx"
#include "util/Domain.hxx"
#include "util/StringView.hxx"
#include "Log.hxx"
#include <adplug/adplug.h>
#include <adplug/emuopl.h>
#include <cassert>
static constexpr Domain adplug_domain("adplug");
static unsigned sample_rate;
static bool
adplug_init(const ConfigBlock &block)
{
FormatDebug(adplug_domain, "adplug %s",
CAdPlug::get_version().c_str());
sample_rate = block.GetPositiveValue("sample_rate", 48000U);
CheckSampleRate(sample_rate);
return true;
}
static void
adplug_file_decode(DecoderClient &client, Path path_fs)
{
CEmuopl opl(sample_rate, true, true);
opl.init();
CPlayer *player = CAdPlug::factory(path_fs.c_str(), &opl);
if (player == nullptr)
return;
const AudioFormat audio_format(sample_rate, SampleFormat::S16, 2);
assert(audio_format.IsValid());
client.Ready(audio_format, false,
SongTime::FromMS(player->songlength()));
DecoderCommand cmd;
do {
if (!player->update())
break;
int16_t buffer[2048];
constexpr unsigned frames_per_buffer = std::size(buffer) / 2;
opl.update(buffer, frames_per_buffer);
cmd = client.SubmitData(nullptr,
buffer, sizeof(buffer),
0);
} while (cmd == DecoderCommand::NONE);
delete player;
}
static void
adplug_scan_tag(TagType type, const std::string &value,
TagHandler &handler) noexcept
{
if (!value.empty())
handler.OnTag(type, {value.data(), value.size()});
}
static bool
adplug_scan_file(Path path_fs, TagHandler &handler) noexcept
{
CEmuopl opl(sample_rate, true, true);
opl.init();
CPlayer *player = CAdPlug::factory(path_fs.c_str(), &opl);
if (player == nullptr)
return false;
handler.OnDuration(SongTime::FromMS(player->songlength()));
if (handler.WantTag()) {
adplug_scan_tag(TAG_TITLE, player->gettitle(),
handler);
adplug_scan_tag(TAG_ARTIST, player->getauthor(),
handler);
adplug_scan_tag(TAG_COMMENT, player->getdesc(),
handler);
}
delete player;
return true;
}
static const char *const adplug_suffixes[] = {
"amd",
"d00",
"hsc",
"laa",
"rad",
"raw",
"sa2",
nullptr
};
constexpr DecoderPlugin adplug_decoder_plugin =
DecoderPlugin("adplug", adplug_file_decode, adplug_scan_file)
.WithInit(adplug_init)
.WithSuffixes(adplug_suffixes);