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/*
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);
_info->readpos = s/44100.0f;
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) {
const char *config_file = deadbeef->conf_get_str ("wildmidi.config", "/etc/timidity++/timidity-freepats.cfg");
WildMidi_Init (config_file, 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,
};
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