diff options
Diffstat (limited to 'plugins/wildmidi/wildmidiplug.c')
| -rw-r--r-- | plugins/wildmidi/wildmidiplug.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/plugins/wildmidi/wildmidiplug.c b/plugins/wildmidi/wildmidiplug.c new file mode 100644 index 00000000..3c5e4d81 --- /dev/null +++ b/plugins/wildmidi/wildmidiplug.c @@ -0,0 +1,170 @@ +/* + DeaDBeeF - ultimate music player for GNU/Linux systems with X11 + Copyright (C) 2009-2010 Alexey Yakovenko <waker@users.sourceforge.net> + + 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 <stdlib.h> +#include <string.h> +#include "../../deadbeef.h" +#include "wildmidi_lib.h" + +extern DB_decoder_t wmidi_plugin; + +#define trace(...) { fprintf(stderr, __VA_ARGS__); } +//#define trace(fmt,...) + +static DB_functions_t *deadbeef; + +#define min(x,y) ((x)<(y)?(x):(y)) +#define max(x,y) ((x)>(y)?(x):(y)) + +typedef struct { + DB_fileinfo_t info; + midi *m; +} wmidi_info_t; + +DB_fileinfo_t * +wmidi_open (void) { + DB_fileinfo_t *_info = (DB_fileinfo_t *)malloc (sizeof (wmidi_info_t)); + memset (_info, 0, sizeof (wmidi_info_t)); + return _info; +} + +int +wmidi_init (DB_fileinfo_t *_info, DB_playItem_t *it) { + wmidi_info_t *info = (wmidi_info_t *)_info; + + info->m = WildMidi_Open (it->fname); + if (!info->m) { + fprintf (stderr, "wmidi: failed to open %s\n", it->fname); + return -1; + } + + _info->plugin = &wmidi_plugin; + _info->channels = 2; + _info->bps = 16; + _info->samplerate = 44100; + _info->readpos = 0; + + return 0; +} + +void +wmidi_free (DB_fileinfo_t *_info) { + wmidi_info_t *info = (wmidi_info_t *)_info; + if (info) { + if (info->m) { + WildMidi_Close (info->m); + info->m = NULL; + } + free (info); + } +} + +int +wmidi_read (DB_fileinfo_t *_info, char *bytes, int size) { + wmidi_info_t *info = (wmidi_info_t *)_info; + int bufferused = WildMidi_GetOutput (info->m, (char *)bytes, size); + if (bufferused < 0) { + fprintf (stderr, "WildMidi_GetOutput returned %d\n", bufferused); + return 0; + } + + return bufferused; +} + +int +wmidi_seek_sample (DB_fileinfo_t *_info, int sample) { + wmidi_info_t *info = (wmidi_info_t *)_info; + unsigned long int s = sample; + WildMidi_SampledSeek (info->m, &s); + return 0; +} + +int +wmidi_seek (DB_fileinfo_t *_info, float time) { + return wmidi_seek_sample (_info, time * 44100); +} + +DB_playItem_t * +wmidi_insert (DB_playItem_t *after, const char *fname) { + DB_playItem_t *it = NULL; + + midi *m = WildMidi_Open (fname); + if (!m) { + fprintf (stderr, "wmidi: failed to open %s\n", fname); + return NULL; + } + + struct _WM_Info *inf = WildMidi_GetInfo (m); + it = deadbeef->pl_item_alloc (); + it->decoder_id = deadbeef->plug_get_decoder_id (wmidi_plugin.plugin.id); + it->fname = strdup (fname); + deadbeef->pl_add_meta (it, "title", NULL); + deadbeef->pl_set_item_duration (it, inf->approx_total_samples / 44100.f); + it->filetype = "MID"; + after = deadbeef->pl_insert_item (after, it); + deadbeef->pl_item_unref (it); + WildMidi_Close (m); + return after; +} + +int +wmidi_start (void) { + WildMidi_Init ("/etc/timidity++/timidity-freepats.cfg", 44100, 0); + return 0; +} + +int +wmidi_stop (void) { + WildMidi_Shutdown (); + return 0; +} + +DB_plugin_t * +wildmidi_load (DB_functions_t *api) { + deadbeef = api; + return DB_PLUGIN (&wmidi_plugin); +} + +static const char *exts[] = { "mid",NULL }; +const char *filetypes[] = { "MID", NULL }; + +// define plugin interface +DB_decoder_t wmidi_plugin = { + DB_PLUGIN_SET_API_VERSION + .plugin.type = DB_PLUGIN_DECODER, + .plugin.version_major = 0, + .plugin.version_minor = 1, + .plugin.name = "WildMidi player", + .plugin.descr = "MIDI player based on WildMidi library", + .plugin.author = "Alexey Yakovenko", + .plugin.email = "waker@users.sourceforge.net", + .plugin.website = "http://deadbeef.sf.net", + .plugin.start = wmidi_start, + .plugin.stop = wmidi_stop, + .plugin.id = "wmidi", + .open = wmidi_open, + .init = wmidi_init, + .free = wmidi_free, + .read_int16 = wmidi_read, + .seek = wmidi_seek, + .seek_sample = wmidi_seek_sample, + .insert = wmidi_insert, + .exts = exts, + .filetypes = filetypes, +}; |