From 9b9abff97272b52f133ff23addd58b6a90a49a73 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Mon, 4 Jan 2010 21:36:33 +0100 Subject: renamed decoder plugin sources Make it X_decoder_plugin.c. --- src/decoder/sidplay_plugin.cxx | 417 ----------------------------------------- 1 file changed, 417 deletions(-) delete mode 100644 src/decoder/sidplay_plugin.cxx (limited to 'src/decoder/sidplay_plugin.cxx') diff --git a/src/decoder/sidplay_plugin.cxx b/src/decoder/sidplay_plugin.cxx deleted file mode 100644 index a2eb21ae4..000000000 --- a/src/decoder/sidplay_plugin.cxx +++ /dev/null @@ -1,417 +0,0 @@ -/* - * Copyright (C) 2003-2010 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" - -extern "C" { -#include "../decoder_api.h" -} - -#include -#include -#include - -#include -#include -#include - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "sidplay" - -#define SUBTUNE_PREFIX "tune_" - -static GPatternSpec *path_with_subtune; -static const char *songlength_file; -static GKeyFile *songlength_database; - -static bool all_files_are_containers; -static unsigned default_songlength; - -static bool filter_setting; - -static GKeyFile * -sidplay_load_songlength_db(const char *path) -{ - GError *error = NULL; - gchar *data; - gsize size; - - if (!g_file_get_contents(path, &data, &size, &error)) { - g_warning("unable to read songlengths file %s: %s", - path, error->message); - g_error_free(error); - return NULL; - } - - /* replace any ; comment characters with # */ - for (gsize i = 0; i < size; i++) - if (data[i] == ';') - data[i] = '#'; - - GKeyFile *db = g_key_file_new(); - bool success = g_key_file_load_from_data(db, data, size, - G_KEY_FILE_NONE, &error); - g_free(data); - if (!success) { - g_warning("unable to parse songlengths file %s: %s", - path, error->message); - g_error_free(error); - g_key_file_free(db); - return NULL; - } - - g_key_file_set_list_separator(db, ' '); - return db; -} - -static bool -sidplay_init(const struct config_param *param) -{ - /* read the songlengths database file */ - songlength_file=config_get_block_string(param, - "songlength_database", NULL); - if (songlength_file != NULL) - songlength_database = sidplay_load_songlength_db(songlength_file); - - default_songlength=config_get_block_unsigned(param, - "default_songlength", 0); - - all_files_are_containers=config_get_block_bool(param, - "all_files_are_containers", true); - - path_with_subtune=g_pattern_spec_new( - "*/" SUBTUNE_PREFIX "???.sid"); - - filter_setting=config_get_block_bool(param, "filter", true); - - return true; -} - -void -sidplay_finish() -{ - g_pattern_spec_free(path_with_subtune); - - if(songlength_database) - g_key_file_free(songlength_database); -} - -/** - * returns the file path stripped of any /tune_xxx.sid subtune - * suffix - */ -static char * -get_container_name(const char *path_fs) -{ - char *path_container=g_strdup(path_fs); - - if(!g_pattern_match(path_with_subtune, - strlen(path_container), path_container, NULL)) - return path_container; - - char *ptr=g_strrstr(path_container, "/" SUBTUNE_PREFIX); - if(ptr) *ptr='\0'; - - return path_container; -} - -/** - * returns tune number from file.sid/tune_xxx.sid style path or 1 if - * no subtune is appended - */ -static int -get_song_num(const char *path_fs) -{ - if(g_pattern_match(path_with_subtune, - strlen(path_fs), path_fs, NULL)) { - char *sub=g_strrstr(path_fs, "/" SUBTUNE_PREFIX); - if(!sub) return 1; - - sub+=strlen("/" SUBTUNE_PREFIX); - int song_num=strtol(sub, NULL, 10); - - if (errno == EINVAL) - return 1; - else - return song_num; - } else - return 1; -} - -/* get the song length in seconds */ -static int -get_song_length(const char *path_fs) -{ - if (songlength_database == NULL) - return -1; - - gchar *sid_file=get_container_name(path_fs); - SidTuneMod tune(sid_file); - g_free(sid_file); - if(!tune) { - g_warning("failed to load file for calculating md5 sum"); - return -1; - } - char md5sum[SIDTUNE_MD5_LENGTH+1]; - tune.createMD5(md5sum); - - int song_num=get_song_num(path_fs); - - gsize num_items; - gchar **values=g_key_file_get_string_list(songlength_database, - "Database", md5sum, &num_items, NULL); - if(!values || song_num>num_items) { - g_strfreev(values); - return -1; - } - - int minutes=strtol(values[song_num-1], NULL, 10); - if(errno==EINVAL) minutes=0; - - int seconds; - char *ptr=strchr(values[song_num-1], ':'); - if(ptr) { - seconds=strtol(ptr+1, NULL, 10); - if(errno==EINVAL) seconds=0; - } else - seconds=0; - - g_strfreev(values); - - return (minutes*60)+seconds; -} - -static void -sidplay_file_decode(struct decoder *decoder, const char *path_fs) -{ - int ret; - - /* load the tune */ - - char *path_container=get_container_name(path_fs); - SidTune tune(path_container, NULL, true); - g_free(path_container); - if (!tune) { - g_warning("failed to load file"); - return; - } - - int song_num=get_song_num(path_fs); - tune.selectSong(song_num); - - int song_len=get_song_length(path_fs); - if(song_len==-1) song_len=default_songlength; - - /* initialize the player */ - - sidplay2 player; - int iret = player.load(&tune); - if (iret != 0) { - g_warning("sidplay2.load() failed: %s", player.error()); - return; - } - - /* initialize the builder */ - - ReSIDBuilder builder("ReSID"); - if (!builder) { - g_warning("failed to initialize ReSIDBuilder"); - return; - } - - builder.create(player.info().maxsids); - if (!builder) { - g_warning("ReSIDBuilder.create() failed"); - return; - } - - builder.filter(filter_setting); - if (!builder) { - g_warning("ReSIDBuilder.filter() failed"); - return; - } - - /* configure the player */ - - sid2_config_t config = player.config(); - - config.clockDefault = SID2_CLOCK_PAL; - config.clockForced = true; - config.clockSpeed = SID2_CLOCK_CORRECT; - config.frequency = 48000; - config.optimisation = SID2_DEFAULT_OPTIMISATION; - config.playback = sid2_stereo; - config.precision = 16; - config.sidDefault = SID2_MOS6581; - config.sidEmulation = &builder; - config.sidModel = SID2_MODEL_CORRECT; - config.sidSamples = true; -#if G_BYTE_ORDER == G_LITTLE_ENDIAN - config.sampleFormat = SID2_LITTLE_SIGNED; -#else - config.sampleFormat = SID2_BIG_SIGNED; -#endif - - iret = player.config(config); - if (iret != 0) { - g_warning("sidplay2.config() failed: %s", player.error()); - return; - } - - /* initialize the MPD decoder */ - - struct audio_format audio_format; - audio_format_init(&audio_format, 48000, SAMPLE_FORMAT_S16, 2); - assert(audio_format_valid(&audio_format)); - - decoder_initialized(decoder, &audio_format, true, (float)song_len); - - /* .. and play */ - - const unsigned timebase = player.timebase(); - song_len *= timebase; - - enum decoder_command cmd; - do { - char buffer[4096]; - size_t nbytes; - - nbytes = player.play(buffer, sizeof(buffer)); - if (nbytes == 0) - break; - - decoder_timestamp(decoder, (double)player.time() / timebase); - - cmd = decoder_data(decoder, NULL, buffer, nbytes, 0); - - if(cmd==DECODE_COMMAND_SEEK) { - unsigned data_time = player.time(); - unsigned target_time = (unsigned) - (decoder_seek_where(decoder) * timebase); - - /* can't rewind so return to zero and seek forward */ - if(target_time 0 && player.time() >= song_len) - break; - - } while (cmd != DECODE_COMMAND_STOP); -} - -static struct tag * -sidplay_tag_dup(const char *path_fs) -{ - int song_num=get_song_num(path_fs); - char *path_container=get_container_name(path_fs); - - SidTune tune(path_container, NULL, true); - g_free(path_container); - if (!tune) - return NULL; - - const SidTuneInfo &info = tune.getInfo(); - struct tag *tag = tag_new(); - - /* title */ - const char *title; - if (info.numberOfInfoStrings > 0 && info.infoString[0] != NULL) - title=info.infoString[0]; - else - title=""; - - if(info.songs>1) { - char *tag_title=g_strdup_printf("%s (%d/%d)", - title, song_num, info.songs); - tag_add_item(tag, TAG_TITLE, tag_title); - g_free(tag_title); - } else - tag_add_item(tag, TAG_TITLE, title); - - /* artist */ - if (info.numberOfInfoStrings > 1 && info.infoString[1] != NULL) - tag_add_item(tag, TAG_ARTIST, info.infoString[1]); - - /* track */ - char *track=g_strdup_printf("%d", song_num); - tag_add_item(tag, TAG_TRACK, track); - g_free(track); - - /* time */ - int song_len=get_song_length(path_fs); - if(song_len!=-1) tag->time=song_len; - - return tag; -} - -static char * -sidplay_container_scan(const char *path_fs, const unsigned int tnum) -{ - SidTune tune(path_fs, NULL, true); - if (!tune) - return NULL; - - const SidTuneInfo &info=tune.getInfo(); - - /* Don't treat sids containing a single tune - as containers */ - if(!all_files_are_containers && info.songs<2) - return NULL; - - /* Construct container/tune path names, eg. - Delta.sid/tune_001.sid */ - if(tnum<=info.songs) { - char *subtune= g_strdup_printf( - SUBTUNE_PREFIX "%03u.sid", tnum); - return subtune; - } else - return NULL; -} - -static const char *const sidplay_suffixes[] = { - "sid", - NULL -}; - -extern const struct decoder_plugin sidplay_decoder_plugin; -const struct decoder_plugin sidplay_decoder_plugin = { - "sidplay", - sidplay_init, - sidplay_finish, - NULL, /* stream_decode() */ - sidplay_file_decode, - sidplay_tag_dup, - NULL, /* stream_tag() */ - sidplay_container_scan, - sidplay_suffixes, - NULL, /* mime_types */ -}; -- cgit v1.2.3