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Diffstat (limited to 'src/DecoderList.cxx')
| -rw-r--r-- | src/DecoderList.cxx | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/src/DecoderList.cxx b/src/DecoderList.cxx new file mode 100644 index 000000000..5c1a486df --- /dev/null +++ b/src/DecoderList.cxx @@ -0,0 +1,240 @@ +/* + * Copyright (C) 2003-2013 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 "DecoderList.hxx" +#include "DecoderPlugin.hxx" +#include "conf.h" +#include "mpd_error.h" +#include "decoder/AudiofileDecoderPlugin.hxx" +#include "decoder/PcmDecoderPlugin.hxx" +#include "decoder/DsdiffDecoderPlugin.hxx" +#include "decoder/DsfDecoderPlugin.hxx" +#include "decoder/FlacDecoderPlugin.h" +#include "decoder/OpusDecoderPlugin.h" +#include "decoder/VorbisDecoderPlugin.h" +#include "decoder/AdPlugDecoderPlugin.h" +#include "decoder/WavpackDecoderPlugin.hxx" +#include "decoder/FfmpegDecoderPlugin.hxx" +#include "decoder/GmeDecoderPlugin.hxx" +#include "decoder/FaadDecoderPlugin.hxx" +#include "decoder/MadDecoderPlugin.hxx" +#include "decoder/SndfileDecoderPlugin.hxx" +#include "decoder/Mpg123DecoderPlugin.hxx" +#include "decoder/WildmidiDecoderPlugin.hxx" +#include "decoder/MikmodDecoderPlugin.hxx" +#include "decoder/ModplugDecoderPlugin.hxx" +#include "decoder/MpcdecDecoderPlugin.hxx" +#include "decoder/FluidsynthDecoderPlugin.hxx" + +#include <glib.h> + +#include <string.h> + +extern const struct decoder_plugin sidplay_decoder_plugin; + +const struct decoder_plugin *const decoder_plugins[] = { +#ifdef HAVE_MAD + &mad_decoder_plugin, +#endif +#ifdef HAVE_MPG123 + &mpg123_decoder_plugin, +#endif +#ifdef ENABLE_VORBIS_DECODER + &vorbis_decoder_plugin, +#endif +#if defined(HAVE_FLAC) + &oggflac_decoder_plugin, +#endif +#ifdef HAVE_FLAC + &flac_decoder_plugin, +#endif +#ifdef HAVE_OPUS + &opus_decoder_plugin, +#endif +#ifdef ENABLE_SNDFILE + &sndfile_decoder_plugin, +#endif +#ifdef HAVE_AUDIOFILE + &audiofile_decoder_plugin, +#endif + &dsdiff_decoder_plugin, + &dsf_decoder_plugin, +#ifdef HAVE_FAAD + &faad_decoder_plugin, +#endif +#ifdef HAVE_MPCDEC + &mpcdec_decoder_plugin, +#endif +#ifdef HAVE_WAVPACK + &wavpack_decoder_plugin, +#endif +#ifdef HAVE_MODPLUG + &modplug_decoder_plugin, +#endif +#ifdef ENABLE_MIKMOD_DECODER + &mikmod_decoder_plugin, +#endif +#ifdef ENABLE_SIDPLAY + &sidplay_decoder_plugin, +#endif +#ifdef ENABLE_WILDMIDI + &wildmidi_decoder_plugin, +#endif +#ifdef ENABLE_FLUIDSYNTH + &fluidsynth_decoder_plugin, +#endif +#ifdef HAVE_ADPLUG + &adplug_decoder_plugin, +#endif +#ifdef HAVE_FFMPEG + &ffmpeg_decoder_plugin, +#endif +#ifdef HAVE_GME + &gme_decoder_plugin, +#endif + &pcm_decoder_plugin, + NULL +}; + +enum { + num_decoder_plugins = G_N_ELEMENTS(decoder_plugins) - 1, +}; + +/** which plugins have been initialized successfully? */ +bool decoder_plugins_enabled[num_decoder_plugins]; + +static unsigned +decoder_plugin_index(const struct decoder_plugin *plugin) +{ + unsigned i = 0; + + while (decoder_plugins[i] != plugin) + ++i; + + return i; +} + +static unsigned +decoder_plugin_next_index(const struct decoder_plugin *plugin) +{ + return plugin == 0 + ? 0 /* start with first plugin */ + : decoder_plugin_index(plugin) + 1; +} + +const struct decoder_plugin * +decoder_plugin_from_suffix(const char *suffix, + const struct decoder_plugin *plugin) +{ + if (suffix == NULL) + return NULL; + + for (unsigned i = decoder_plugin_next_index(plugin); + decoder_plugins[i] != NULL; ++i) { + plugin = decoder_plugins[i]; + if (decoder_plugins_enabled[i] && + decoder_plugin_supports_suffix(plugin, suffix)) + return plugin; + } + + return NULL; +} + +const struct decoder_plugin * +decoder_plugin_from_mime_type(const char *mimeType, unsigned int next) +{ + static unsigned i = num_decoder_plugins; + + if (mimeType == NULL) + return NULL; + + if (!next) + i = 0; + for (; decoder_plugins[i] != NULL; ++i) { + const struct decoder_plugin *plugin = decoder_plugins[i]; + if (decoder_plugins_enabled[i] && + decoder_plugin_supports_mime_type(plugin, mimeType)) { + ++i; + return plugin; + } + } + + return NULL; +} + +const struct decoder_plugin * +decoder_plugin_from_name(const char *name) +{ + decoder_plugins_for_each_enabled(plugin) + if (strcmp(plugin->name, name) == 0) + return plugin; + + return NULL; +} + +/** + * Find the "decoder" configuration block for the specified plugin. + * + * @param plugin_name the name of the decoder plugin + * @return the configuration block, or NULL if none was configured + */ +static const struct config_param * +decoder_plugin_config(const char *plugin_name) +{ + const struct config_param *param = NULL; + + while ((param = config_get_next_param(CONF_DECODER, param)) != NULL) { + const char *name = param->GetBlockValue("plugin"); + if (name == NULL) + MPD_ERROR("decoder configuration without 'plugin' name in line %d", + param->line); + + if (strcmp(name, plugin_name) == 0) + return param; + } + + return NULL; +} + +void decoder_plugin_init_all(void) +{ + struct config_param empty; + + for (unsigned i = 0; decoder_plugins[i] != NULL; ++i) { + const struct decoder_plugin *plugin = decoder_plugins[i]; + const struct config_param *param = + decoder_plugin_config(plugin->name); + + if (param == nullptr) + param = ∅ + else if (!param->GetBlockValue("enabled", true)) + /* the plugin is disabled in mpd.conf */ + continue; + + if (decoder_plugin_init(plugin, *param)) + decoder_plugins_enabled[i] = true; + } +} + +void decoder_plugin_deinit_all(void) +{ + decoder_plugins_for_each_enabled(plugin) + decoder_plugin_finish(plugin); +} |