diff options
Diffstat (limited to 'src/decoder/mikmod_plugin.c')
| -rw-r--r-- | src/decoder/mikmod_plugin.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/src/decoder/mikmod_plugin.c b/src/decoder/mikmod_plugin.c new file mode 100644 index 000000000..a22fd03bf --- /dev/null +++ b/src/decoder/mikmod_plugin.c @@ -0,0 +1,257 @@ +/* the Music Player Daemon (MPD) + * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) + * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "../decoder_api.h" + +#include <glib.h> +#include <mikmod.h> + +/* this is largely copied from alsaplayer */ + +#define MIKMOD_FRAME_SIZE 4096 + +static BOOL mod_mpd_Init(void) +{ + return VC_Init(); +} + +static void mod_mpd_Exit(void) +{ + VC_Exit(); +} + +static void mod_mpd_Update(void) +{ +} + +static BOOL mod_mpd_IsThere(void) +{ + return 1; +} + +static char drv_name[] = "MPD"; +static char drv_version[] = "MPD Output Driver v0.1"; + +#if (LIBMIKMOD_VERSION > 0x030106) +static char drv_alias[] = "mpd"; +#endif + +static MDRIVER drv_mpd = { + NULL, + drv_name, + drv_version, + 0, + 255, +#if (LIBMIKMOD_VERSION > 0x030106) + drv_alias, +#if (LIBMIKMOD_VERSION >= 0x030200) + NULL, /* CmdLineHelp */ +#endif + NULL, /* CommandLine */ +#endif + mod_mpd_IsThere, + VC_SampleLoad, + VC_SampleUnload, + VC_SampleSpace, + VC_SampleLength, + mod_mpd_Init, + mod_mpd_Exit, + NULL, + VC_SetNumVoices, + VC_PlayStart, + VC_PlayStop, + mod_mpd_Update, + NULL, + VC_VoiceSetVolume, + VC_VoiceGetVolume, + VC_VoiceSetFrequency, + VC_VoiceGetFrequency, + VC_VoiceSetPanning, + VC_VoiceGetPanning, + VC_VoicePlay, + VC_VoiceStop, + VC_VoiceStopped, + VC_VoiceGetPosition, + VC_VoiceRealVolume +}; + +static bool mod_initMikMod(void) +{ + static char params[] = ""; + + md_device = 0; + md_reverb = 0; + + MikMod_RegisterDriver(&drv_mpd); + MikMod_RegisterAllLoaders(); + + md_pansep = 64; + md_mixfreq = 44100; + md_mode = (DMODE_SOFT_MUSIC | DMODE_INTERP | DMODE_STEREO | + DMODE_16BITS); + + if (MikMod_Init(params)) { + g_warning("Could not init MikMod: %s\n", + MikMod_strerror(MikMod_errno)); + return false; + } + + return true; +} + +static void mod_finishMikMod(void) +{ + MikMod_Exit(); +} + +typedef struct _mod_Data { + MODULE *moduleHandle; + SBYTE audio_buffer[MIKMOD_FRAME_SIZE]; +} mod_Data; + +static mod_Data *mod_open(const char *path) +{ + char *path2; + MODULE *moduleHandle; + mod_Data *data; + + path2 = g_strdup(path); + moduleHandle = Player_Load(path2, 128, 0); + g_free(path2); + + if (moduleHandle == NULL) + return NULL; + + /* Prevent module from looping forever */ + moduleHandle->loop = 0; + + data = g_new(mod_Data, 1); + data->moduleHandle = moduleHandle; + + Player_Start(data->moduleHandle); + + return data; +} + +static void mod_close(mod_Data * data) +{ + Player_Stop(); + Player_Free(data->moduleHandle); + free(data); +} + +static void +mod_decode(struct decoder *decoder, const char *path) +{ + mod_Data *data; + struct audio_format audio_format; + float total_time = 0.0; + int ret; + float secPerByte; + enum decoder_command cmd = DECODE_COMMAND_NONE; + + if (!(data = mod_open(path))) { + g_warning("failed to open mod: %s\n", path); + MikMod_Exit(); + return; + } + + audio_format.bits = 16; + audio_format.sample_rate = 44100; + audio_format.channels = 2; + + secPerByte = + 1.0 / ((audio_format.bits * audio_format.channels / 8.0) * + (float)audio_format.sample_rate); + + decoder_initialized(decoder, &audio_format, false, 0); + + while (cmd == DECODE_COMMAND_NONE && Player_Active()) { + ret = VC_WriteBytes(data->audio_buffer, MIKMOD_FRAME_SIZE); + total_time += ret * secPerByte; + cmd = decoder_data(decoder, NULL, + data->audio_buffer, ret, + total_time, 0, NULL); + } + + mod_close(data); + + MikMod_Exit(); +} + +static struct tag *modTagDup(const char *file) +{ + char *path2; + struct tag *ret = NULL; + MODULE *moduleHandle; + char *title; + + path2 = g_strdup(file); + moduleHandle = Player_Load(path2, 128, 0); + g_free(path2); + + if (moduleHandle == NULL) { + g_debug("modTagDup: Failed to open file: %s\n", file); + MikMod_Exit(); + return NULL; + + } + Player_Free(moduleHandle); + + ret = tag_new(); + + ret->time = 0; + + path2 = g_strdup(file); + title = g_strdup(Player_LoadTitle(path2)); + g_free(path2); + if (title) + tag_add_item(ret, TAG_ITEM_TITLE, title); + + MikMod_Exit(); + + return ret; +} + +static const char *const modSuffixes[] = { + "amf", + "dsm", + "far", + "gdm", + "imf", + "it", + "med", + "mod", + "mtm", + "s3m", + "stm", + "stx", + "ult", + "uni", + "xm", + NULL +}; + +const struct decoder_plugin mikmod_decoder_plugin = { + .name = "mikmod", + .init = mod_initMikMod, + .finish = mod_finishMikMod, + .file_decode = mod_decode, + .tag_dup = modTagDup, + .suffixes = modSuffixes, +}; |