From 51adaf2c47761e3f2095a52a7037cd8458b77990 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Fri, 24 Jan 2014 00:02:24 +0100 Subject: decoder/*: move to decoder/plugins/ --- src/decoder/GmeDecoderPlugin.cxx | 295 --------------------------------------- 1 file changed, 295 deletions(-) delete mode 100644 src/decoder/GmeDecoderPlugin.cxx (limited to 'src/decoder/GmeDecoderPlugin.cxx') diff --git a/src/decoder/GmeDecoderPlugin.cxx b/src/decoder/GmeDecoderPlugin.cxx deleted file mode 100644 index 506c647bf..000000000 --- a/src/decoder/GmeDecoderPlugin.cxx +++ /dev/null @@ -1,295 +0,0 @@ -/* - * Copyright (C) 2003-2014 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 "GmeDecoderPlugin.hxx" -#include "DecoderAPI.hxx" -#include "CheckAudioFormat.hxx" -#include "tag/TagHandler.hxx" -#include "util/Alloc.hxx" -#include "util/FormatString.hxx" -#include "util/UriUtil.hxx" -#include "util/Error.hxx" -#include "util/Domain.hxx" -#include "Log.hxx" - -#include -#include -#include -#include - -#include - -#define SUBTUNE_PREFIX "tune_" - -static constexpr Domain gme_domain("gme"); - -static constexpr unsigned GME_SAMPLE_RATE = 44100; -static constexpr unsigned GME_CHANNELS = 2; -static constexpr unsigned GME_BUFFER_FRAMES = 2048; -static constexpr unsigned GME_BUFFER_SAMPLES = - GME_BUFFER_FRAMES * GME_CHANNELS; - -/** - * returns the file path stripped of any /tune_xxx.* subtune - * suffix - */ -static char * -get_container_name(const char *path_fs) -{ - const char *subtune_suffix = uri_get_suffix(path_fs); - char *path_container = xstrdup(path_fs); - - char pat[64]; - snprintf(pat, sizeof(pat), "%s%s", - "*/" SUBTUNE_PREFIX "???.", - subtune_suffix); - GPatternSpec *path_with_subtune = g_pattern_spec_new(pat); - if (!g_pattern_match(path_with_subtune, - strlen(path_container), path_container, nullptr)) { - g_pattern_spec_free(path_with_subtune); - return path_container; - } - - char *ptr = g_strrstr(path_container, "/" SUBTUNE_PREFIX); - if (ptr != nullptr) - *ptr='\0'; - - g_pattern_spec_free(path_with_subtune); - return path_container; -} - -/** - * returns tune number from file.nsf/tune_xxx.* style path or 0 if no subtune - * is appended. - */ -static int -get_song_num(const char *path_fs) -{ - const char *subtune_suffix = uri_get_suffix(path_fs); - - char pat[64]; - snprintf(pat, sizeof(pat), "%s%s", - "*/" SUBTUNE_PREFIX "???.", - subtune_suffix); - GPatternSpec *path_with_subtune = g_pattern_spec_new(pat); - - if (g_pattern_match(path_with_subtune, - strlen(path_fs), path_fs, nullptr)) { - char *sub = g_strrstr(path_fs, "/" SUBTUNE_PREFIX); - g_pattern_spec_free(path_with_subtune); - if (!sub) - return 0; - - sub += strlen("/" SUBTUNE_PREFIX); - int song_num = strtol(sub, nullptr, 10); - - return song_num - 1; - } else { - g_pattern_spec_free(path_with_subtune); - return 0; - } -} - -static char * -gme_container_scan(const char *path_fs, const unsigned int tnum) -{ - Music_Emu *emu; - const char *gme_err = gme_open_file(path_fs, &emu, GME_SAMPLE_RATE); - if (gme_err != nullptr) { - LogWarning(gme_domain, gme_err); - return nullptr; - } - - const unsigned num_songs = gme_track_count(emu); - /* if it only contains a single tune, don't treat as container */ - if (num_songs < 2) - return nullptr; - - const char *subtune_suffix = uri_get_suffix(path_fs); - if (tnum <= num_songs){ - return FormatNew(SUBTUNE_PREFIX "%03u.%s", - tnum, subtune_suffix); - } else - return nullptr; -} - -static void -gme_file_decode(Decoder &decoder, const char *path_fs) -{ - char *path_container = get_container_name(path_fs); - - Music_Emu *emu; - const char *gme_err = - gme_open_file(path_container, &emu, GME_SAMPLE_RATE); - free(path_container); - if (gme_err != nullptr) { - LogWarning(gme_domain, gme_err); - return; - } - - gme_info_t *ti; - const int song_num = get_song_num(path_fs); - gme_err = gme_track_info(emu, &ti, song_num); - if (gme_err != nullptr) { - LogWarning(gme_domain, gme_err); - gme_delete(emu); - return; - } - - const float song_len = ti->length > 0 - ? ti->length / 1000.0 - : -1.0; - - /* initialize the MPD decoder */ - - Error error; - AudioFormat audio_format; - if (!audio_format_init_checked(audio_format, GME_SAMPLE_RATE, - SampleFormat::S16, GME_CHANNELS, - error)) { - LogError(error); - gme_free_info(ti); - gme_delete(emu); - return; - } - - decoder_initialized(decoder, audio_format, true, song_len); - - gme_err = gme_start_track(emu, song_num); - if (gme_err != nullptr) - LogWarning(gme_domain, gme_err); - - if (ti->length > 0) - gme_set_fade(emu, ti->length); - - /* play */ - DecoderCommand cmd; - do { - short buf[GME_BUFFER_SAMPLES]; - gme_err = gme_play(emu, GME_BUFFER_SAMPLES, buf); - if (gme_err != nullptr) { - LogWarning(gme_domain, gme_err); - return; - } - - cmd = decoder_data(decoder, nullptr, buf, sizeof(buf), 0); - if (cmd == DecoderCommand::SEEK) { - float where = decoder_seek_where(decoder); - gme_err = gme_seek(emu, int(where * 1000)); - if (gme_err != nullptr) - LogWarning(gme_domain, gme_err); - decoder_command_finished(decoder); - } - - if (gme_track_ended(emu)) - break; - } while (cmd != DecoderCommand::STOP); - - gme_free_info(ti); - gme_delete(emu); -} - -static bool -gme_scan_file(const char *path_fs, - const struct tag_handler *handler, void *handler_ctx) -{ - char *path_container = get_container_name(path_fs); - - Music_Emu *emu; - const char *gme_err = - gme_open_file(path_container, &emu, GME_SAMPLE_RATE); - g_free(path_container); - if (gme_err != nullptr) { - LogWarning(gme_domain, gme_err); - return false; - } - - const int song_num = get_song_num(path_fs); - - gme_info_t *ti; - gme_err = gme_track_info(emu, &ti, song_num); - if (gme_err != nullptr) { - LogWarning(gme_domain, gme_err); - gme_delete(emu); - return false; - } - - assert(ti != nullptr); - - if (ti->length > 0) - tag_handler_invoke_duration(handler, handler_ctx, - ti->length / 100); - - if (ti->song != nullptr) { - if (gme_track_count(emu) > 1) { - /* start numbering subtunes from 1 */ - char tag_title[1024]; - snprintf(tag_title, sizeof(tag_title), - "%s (%d/%d)", - ti->song, song_num + 1, - gme_track_count(emu)); - tag_handler_invoke_tag(handler, handler_ctx, - TAG_TITLE, tag_title); - } else - tag_handler_invoke_tag(handler, handler_ctx, - TAG_TITLE, ti->song); - } - - if (ti->author != nullptr) - tag_handler_invoke_tag(handler, handler_ctx, - TAG_ARTIST, ti->author); - - if (ti->game != nullptr) - tag_handler_invoke_tag(handler, handler_ctx, - TAG_ALBUM, ti->game); - - if (ti->comment != nullptr) - tag_handler_invoke_tag(handler, handler_ctx, - TAG_COMMENT, ti->comment); - - if (ti->copyright != nullptr) - tag_handler_invoke_tag(handler, handler_ctx, - TAG_DATE, ti->copyright); - - gme_free_info(ti); - gme_delete(emu); - - return true; -} - -static const char *const gme_suffixes[] = { - "ay", "gbs", "gym", "hes", "kss", "nsf", - "nsfe", "sap", "spc", "vgm", "vgz", - nullptr -}; - -extern const struct DecoderPlugin gme_decoder_plugin; -const struct DecoderPlugin gme_decoder_plugin = { - "gme", - nullptr, - nullptr, - nullptr, - gme_file_decode, - gme_scan_file, - nullptr, - gme_container_scan, - gme_suffixes, - nullptr, -}; -- cgit v1.2.3