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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <iconv.h>
#include "sidplay/sidplay2.h"
#include "sidplay/builders/resid.h"
extern "C" {
#include "codec.h"
#include "playlist.h"
}
#include "csid.h"
static sidplay2 *sidplay;
static ReSIDBuilder *resid;
static SidTune *tune;
extern int sdl_player_freq; // hack!
extern "C" int
csid_init (const char *fname, int track, float start, float end) {
sidplay = new sidplay2;
resid = new ReSIDBuilder ("wtf");
resid->create (sidplay->info ().maxsids);
resid->filter (true);
resid->sampling (sdl_player_freq);
tune = new SidTune (fname);
tune->selectSong (track+1);
csid.info.channels = tune->isStereo () ? 2 : 1;
sid2_config_t conf;
conf = sidplay->config ();
conf.frequency = sdl_player_freq;
conf.precision = 16;
conf.playback = csid.info.channels == 2 ? sid2_stereo : sid2_mono;
conf.sidEmulation = resid;
conf.optimisation = 0;
sidplay->config (conf);
sidplay->load (tune);
csid.info.bitsPerSample = 16;
csid.info.samplesPerSecond = sdl_player_freq;
csid.info.duration = 120;
csid.info.position = 0;
return 0;
}
extern "C" void
csid_free (void) {
delete sidplay;
sidplay = 0;
delete resid;
resid = 0;
delete tune;
tune = 0;
}
extern "C" int
csid_read (char *bytes, int size) {
int rd = sidplay->play (bytes, size/csid.info.channels);
return rd * csid.info.channels;
}
extern "C" int
csid_seek (float time) {
return 0;
}
static const char *
convstr (const char* str) {
int sz = strlen (str);
static char out[2048];
const char *enc = "iso8859-1";
iconv_t cd = iconv_open ("utf8", enc);
if (!cd) {
printf ("unknown encoding: %s\n", enc);
return NULL;
}
else {
size_t inbytesleft = sz;
size_t outbytesleft = 2047;
char *pin = (char*)str;
char *pout = out;
memset (out, 0, sizeof (out));
size_t res = iconv (cd, &pin, &inbytesleft, &pout, &outbytesleft);
iconv_close (cd);
}
return out;
}
extern "C" int
csid_add (const char *fname) {
SidTune *tune;
tune = new SidTune (fname);
int tunes = tune->getInfo ().songs;
for (int s = 0; s < tunes; s++) {
if (tune->selectSong (s+1)) {
playItem_t *it = (playItem_t*)malloc (sizeof (playItem_t));
memset (it, 0, sizeof (playItem_t));
it->codec = &csid;
it->fname = strdup (fname);
it->tracknum = s;
it->timestart = 0;
it->timeend = 0;
SidTuneInfo sidinfo;
tune->getInfo (sidinfo);
int i = sidinfo.numberOfCommentStrings;
if (i >= 1 && sidinfo.infoString[0] && sidinfo.infoString[0][0]) {
ps_add_meta (it, sidinfo.songs > 1 ? "album" : "title", convstr (sidinfo.infoString[0]));
}
if (i >= 2 && sidinfo.infoString[1] && sidinfo.infoString[1][0]) {
ps_add_meta (it, "artist", convstr (sidinfo.infoString[1]));
}
if (i >= 3 && sidinfo.infoString[2] && sidinfo.infoString[2][0]) {
ps_add_meta (it, "copyright", convstr (sidinfo.infoString[2]));
}
for (int j = 3; j < i; j++)
{
if (sidinfo.infoString[j] && sidinfo.infoString[j][0]) {
ps_add_meta (it, "info", convstr (sidinfo.infoString[j]));
}
}
char trk[10];
snprintf (trk, 10, "%d", s+1);
ps_add_meta (it, "track", trk);
ps_append_item (it);
}
}
delete tune;
return 0;
}
static const char * exts[]=
{
"sid",NULL
};
extern "C" const char **csid_getexts (void) {
return exts;
}
codec_t csid = {
csid_init,
csid_free,
csid_read,
csid_seek,
csid_add,
csid_getexts
};
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