145 lines
3.3 KiB
C++
145 lines
3.3 KiB
C++
/*
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* Copyright (C) 2003-2012 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "AdPlugDecoderPlugin.h"
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#include "TagHandler.hxx"
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#include "DecoderAPI.hxx"
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#include "CheckAudioFormat.hxx"
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#include <adplug/adplug.h>
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#include <adplug/emuopl.h>
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#include <glib.h>
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#include <assert.h>
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "adplug"
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static unsigned sample_rate;
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static bool
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adplug_init(const config_param ¶m)
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{
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GError *error = NULL;
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sample_rate = param.GetBlockValue("sample_rate", 48000u);
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if (!audio_check_sample_rate(sample_rate, &error)) {
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g_warning("%s\n", error->message);
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g_error_free(error);
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return false;
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}
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return true;
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}
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static void
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adplug_file_decode(struct decoder *decoder, const char *path_fs)
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{
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CEmuopl opl(sample_rate, true, true);
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opl.init();
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CPlayer *player = CAdPlug::factory(path_fs, &opl);
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if (player == nullptr)
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return;
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const AudioFormat audio_format(sample_rate, SampleFormat::S16, 2);
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assert(audio_format.IsValid());
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decoder_initialized(decoder, audio_format, false,
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player->songlength() / 1000.);
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int16_t buffer[2048];
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const unsigned frames_per_buffer = G_N_ELEMENTS(buffer) / 2;
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enum decoder_command cmd;
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do {
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if (!player->update())
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break;
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opl.update(buffer, frames_per_buffer);
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cmd = decoder_data(decoder, NULL,
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buffer, sizeof(buffer),
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0);
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} while (cmd == DECODE_COMMAND_NONE);
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delete player;
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}
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static void
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adplug_scan_tag(enum tag_type type, const std::string &value,
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const struct tag_handler *handler, void *handler_ctx)
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{
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if (!value.empty())
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tag_handler_invoke_tag(handler, handler_ctx,
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type, value.c_str());
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}
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static bool
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adplug_scan_file(const char *path_fs,
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const struct tag_handler *handler, void *handler_ctx)
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{
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CEmuopl opl(sample_rate, true, true);
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opl.init();
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CPlayer *player = CAdPlug::factory(path_fs, &opl);
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if (player == nullptr)
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return false;
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tag_handler_invoke_duration(handler, handler_ctx,
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player->songlength() / 1000);
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if (handler->tag != nullptr) {
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adplug_scan_tag(TAG_TITLE, player->gettitle(),
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handler, handler_ctx);
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adplug_scan_tag(TAG_ARTIST, player->getauthor(),
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handler, handler_ctx);
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adplug_scan_tag(TAG_COMMENT, player->getdesc(),
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handler, handler_ctx);
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}
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delete player;
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return true;
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}
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static const char *const adplug_suffixes[] = {
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"amd",
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"d00",
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"hsc",
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"laa",
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"rad",
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"raw",
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"sa2",
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nullptr
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};
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const struct decoder_plugin adplug_decoder_plugin = {
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"adplug",
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adplug_init,
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nullptr,
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nullptr,
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adplug_file_decode,
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adplug_scan_file,
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nullptr,
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nullptr,
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adplug_suffixes,
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nullptr,
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};
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