/* * Copyright (C) 2003-2011 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 "decoder_api.h" #include "tag_handler.h" #include <glib.h> #include <wildmidi_lib.h> #undef G_LOG_DOMAIN #define G_LOG_DOMAIN "wildmidi" enum { WILDMIDI_SAMPLE_RATE = 48000, }; static bool wildmidi_init(const struct config_param *param) { const char *config_file; int ret; config_file = config_get_block_string(param, "config_file", "/etc/timidity/timidity.cfg"); if (!g_file_test(config_file, G_FILE_TEST_IS_REGULAR)) { g_debug("configuration file does not exist: %s", config_file); return false; } ret = WildMidi_Init(config_file, WILDMIDI_SAMPLE_RATE, 0); return ret == 0; } static void wildmidi_finish(void) { WildMidi_Shutdown(); } static void wildmidi_file_decode(struct decoder *decoder, const char *path_fs) { static const struct audio_format audio_format = { .sample_rate = WILDMIDI_SAMPLE_RATE, .format = SAMPLE_FORMAT_S16, .channels = 2, }; midi *wm; const struct _WM_Info *info; enum decoder_command cmd; wm = WildMidi_Open(path_fs); if (wm == NULL) return; info = WildMidi_GetInfo(wm); if (info == NULL) { WildMidi_Close(wm); return; } decoder_initialized(decoder, &audio_format, true, info->approx_total_samples / WILDMIDI_SAMPLE_RATE); do { char buffer[4096]; int len; info = WildMidi_GetInfo(wm); if (info == NULL) break; len = WildMidi_GetOutput(wm, buffer, sizeof(buffer)); if (len <= 0) break; cmd = decoder_data(decoder, NULL, buffer, len, 0); if (cmd == DECODE_COMMAND_SEEK) { unsigned long seek_where = WILDMIDI_SAMPLE_RATE * decoder_seek_where(decoder); #ifdef HAVE_WILDMIDI_SAMPLED_SEEK WildMidi_SampledSeek(wm, &seek_where); #else WildMidi_FastSeek(wm, &seek_where); #endif decoder_command_finished(decoder); cmd = DECODE_COMMAND_NONE; } } while (cmd == DECODE_COMMAND_NONE); WildMidi_Close(wm); } static bool wildmidi_scan_file(const char *path_fs, const struct tag_handler *handler, void *handler_ctx) { midi *wm = WildMidi_Open(path_fs); if (wm == NULL) return false; const struct _WM_Info *info = WildMidi_GetInfo(wm); if (info == NULL) { WildMidi_Close(wm); return false; } int duration = info->approx_total_samples / WILDMIDI_SAMPLE_RATE; tag_handler_invoke_duration(handler, handler_ctx, duration); WildMidi_Close(wm); return true; } static const char *const wildmidi_suffixes[] = { "mid", NULL }; const struct decoder_plugin wildmidi_decoder_plugin = { .name = "wildmidi", .init = wildmidi_init, .finish = wildmidi_finish, .file_decode = wildmidi_file_decode, .scan_file = wildmidi_scan_file, .suffixes = wildmidi_suffixes, };