/* Decompresse un bloc en tenant compte de la resynchronisation */
void unpack_block_sync(FILE *f, scan_desc_t *scan, uint16_t RI, uint32_t i,
int32_t *bck_freq_qzz)
{
static uint32_t nb_calls = 0;
nb_calls++;
unpack_block(f,scan,i,bck_freq_qzz);
if (RI != 0 && nb_calls % RI == 0) {
uint32_t cpt = 0;
uint8_t oct = read_byte(&cpt,f);
if (scan->window == 0xff) {
assert(oct == 0x00);
oct = read_byte(&cpt,f);
scan->window = 0;
}
if (oct != 0xff) {
printf("\n*** ERREUR: marqueur attendu (RST) ***\n");
return;
}
oct = read_byte(&cpt,f);
if (oct == 0xd9) {
printbody("\nEnd of Image (EOI): fin du décodage\n");
return;
} else {
uint8_t num = oct % 16;
if (num == 0) {
printbody(" Marqueur RST%u",num);
} else if (num == 7) {
printbody(" RST%u\n",num);
} else {
printbody(" RST%u",num);
}
}
assert((oct % 16) == ((nb_calls / RI) - 1) % 8);
scan->pred[0] = 0;
scan->pred[1] = 0;
scan->pred[2] = 0;
scan->bit_count = 0;
}
}
static int med3_load(struct module_data *m, HIO_HANDLE *f, const int start)
{
struct xmp_module *mod = &m->mod;
int i, j;
uint32 mask;
int transp, sliding;
LOAD_INIT();
hio_read32b(f);
set_type(m, "MED 2.00 MED3");
mod->ins = mod->smp = 32;
if (instrument_init(mod) < 0)
return -1;
/* read instrument names */
for (i = 0; i < 32; i++) {
uint8 c, buf[40];
for (j = 0; j < 40; j++) {
c = hio_read8(f);
buf[j] = c;
if (c == 0)
break;
}
instrument_name(mod, i, buf, 32);
if (subinstrument_alloc(mod, i, 1) < 0)
return -1;
}
/* read instrument volumes */
mask = hio_read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
mod->xxi[i].sub[0].vol = mask & MASK ? hio_read8(f) : 0;
mod->xxi[i].sub[0].pan = 0x80;
mod->xxi[i].sub[0].fin = 0;
mod->xxi[i].sub[0].sid = i;
}
/* read instrument loops */
mask = hio_read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
mod->xxs[i].lps = mask & MASK ? hio_read16b(f) : 0;
}
/* read instrument loop length */
mask = hio_read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
uint32 lsiz = mask & MASK ? hio_read16b(f) : 0;
mod->xxs[i].len = mod->xxs[i].lps + lsiz;
mod->xxs[i].lpe = mod->xxs[i].lps + lsiz;
mod->xxs[i].flg = lsiz > 1 ? XMP_SAMPLE_LOOP : 0;
}
mod->chn = 4;
mod->pat = hio_read16b(f);
mod->trk = mod->chn * mod->pat;
mod->len = hio_read16b(f);
hio_read(mod->xxo, 1, mod->len, f);
mod->spd = hio_read16b(f);
if (mod->spd > 10) {
mod->bpm = 125 * mod->spd / 33;
mod->spd = 6;
}
transp = hio_read8s(f);
hio_read8(f); /* flags */
sliding = hio_read16b(f); /* sliding */
hio_read32b(f); /* jumping mask */
hio_seek(f, 16, SEEK_CUR); /* rgb */
/* read midi channels */
mask = hio_read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
if (mask & MASK)
hio_read8(f);
}
/* read midi programs */
mask = hio_read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
if (mask & MASK)
hio_read8(f);
}
MODULE_INFO();
D_(D_INFO "Sliding: %d", sliding);
D_(D_INFO "Play transpose: %d", transp);
if (sliding == 6)
m->quirk |= QUIRK_VSALL | QUIRK_PBALL;
for (i = 0; i < 32; i++)
mod->xxi[i].sub[0].xpo = transp;
if (pattern_init(mod) < 0)
return -1;
/* Load and convert patterns */
D_(D_INFO "Stored patterns: %d", mod->pat);
for (i = 0; i < mod->pat; i++) {
uint32 *conv;
uint8 b, tracks;
uint16 convsz;
if (pattern_tracks_alloc(mod, i, 64) < 0)
return -1;
tracks = hio_read8(f);
b = hio_read8(f);
convsz = hio_read16b(f);
conv = calloc(1, convsz + 16);
if (conv == NULL)
return -1;
if (b & M0F_LINEMSK00)
*conv = 0L;
else if (b & M0F_LINEMSK0F)
*conv = 0xffffffff;
else
*conv = hio_read32b(f);
if (b & M0F_LINEMSK10)
*(conv + 1) = 0L;
else if (b & M0F_LINEMSK1F)
*(conv + 1) = 0xffffffff;
else
*(conv + 1) = hio_read32b(f);
if (b & M0F_FXMSK00)
*(conv + 2) = 0L;
else if (b & M0F_FXMSK0F)
*(conv + 2) = 0xffffffff;
else
*(conv + 2) = hio_read32b(f);
if (b & M0F_FXMSK10)
*(conv + 3) = 0L;
else if (b & M0F_FXMSK1F)
*(conv + 3) = 0xffffffff;
else
*(conv + 3) = hio_read32b(f);
hio_read(conv + 4, 1, convsz, f);
if (unpack_block(m, i, (uint8 *)conv) < 0) {
free(conv);
return -1;
}
free(conv);
}
/* Load samples */
D_(D_INFO "Instruments: %d", mod->ins);
mask = hio_read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
if (~mask & MASK)
continue;
mod->xxi[i].nsm = 1;
mod->xxs[i].len = hio_read32b(f);
if (mod->xxs[i].len == 0)
mod->xxi[i].nsm = 0;
if (hio_read16b(f)) /* type */
continue;
D_(D_INFO "[%2X] %-32.32s %04x %04x %04x %c V%02x ",
i, mod->xxi[i].name, mod->xxs[i].len, mod->xxs[i].lps,
mod->xxs[i].lpe,
mod->xxs[i].flg & XMP_SAMPLE_LOOP ? 'L' : ' ',
mod->xxi[i].sub[0].vol);
if (load_sample(m, f, 0, &mod->xxs[i], NULL) < 0)
return -1;
}
return 0;
}
void exchange(double *tp, double *tm, double *tu)
{
int f, s, sp, fp, i, j[25], l, rb, lev, block_size, type, type1,
par[25], start[25];
double t1, t2, t3, t4;
MPI_Status status;
block_size = 45 + num_vars*x_block_size*y_block_size*z_block_size;
type = 40;
type1 = 41;
par[0] = 1;
lev = 0;
while (par[lev] < num_pes) {
par[lev+1] = 2*par[lev];
lev++;
}
j[l = 0] = 0;
start[0] = 0;
while(j[0] < 2) {
if (l == lev) {
t3 = t4 = 0.0;
t1 = timer();
sp = fp = s = f = 0;
// The sense of to and from are reversed in this routine. They are
// related to moving the dots from where they ended up back to the
// processors that they came from and blocks are moved in reverse.
while (s < from[start[l]] || f < to[start[l]]) {
if (f < to[start[l]]) {
if (num_active < max_num_blocks) {
MPI_Irecv(recv_buff, block_size, MPI_DOUBLE, start[l], type,
MPI_COMM_WORLD, request);
rb = 1;
} else
rb = 0;
MPI_Send(&rb, 1, MPI_INTEGER, start[l], type1, MPI_COMM_WORLD);
}
if (s < from[start[l]]) {
MPI_Recv(&i, 1, MPI_INTEGER, start[l], type1,
MPI_COMM_WORLD, &status);
if (i) {
while (sp < max_active_block && blocks[sp].number < 0 ||
(blocks[sp].number >= 0 &&
(blocks[sp].new_proc != start[l] ||
blocks[sp].new_proc == my_pe)))
sp++;
t2 = timer();
pack_block(sp);
t3 += timer() - t2;
num_active--;
local_num_blocks[blocks[sp].level]--;
del_sorted_list(blocks[sp].number, blocks[sp].level);
blocks[sp].number = -1;
MPI_Send(send_buff, block_size, MPI_DOUBLE, start[l], type,
MPI_COMM_WORLD);
if (fp > sp)
fp = sp;
sp++;
from[start[l]]--;
} else
s = from[start[l]];
}
if (f < to[start[l]]) {
if (rb) {
while (fp < max_num_blocks && blocks[fp].number >= 0)
fp++;
if (fp == max_num_blocks)
if (num_active == max_num_blocks) {
printf("ERROR: exchange - need more blocks\n");
exit(-1);
} else { // there is at least one free block
fp = 0;
while (blocks[fp].number >= 0)
fp++;
}
MPI_Wait(request, &status);
t2 = timer();
unpack_block(fp);
t4 += timer() - t2;
if ((fp+1) > max_active_block)
max_active_block = fp + 1;
num_active++;
local_num_blocks[blocks[fp].level]++;
add_sorted_list(fp, blocks[fp].number, blocks[fp].level);
fp++;
to[start[l]]--;
} else
f = to[start[l]];
}
}
*tm += timer() - t1 - t3 - t4;
*tp += t3;
*tu += t4;
l--;
j[l]++;
} else if (j[l] == 0) {
j[l+1] = 0;
if (my_pe & par[l])
if (start[l]+par[l] < num_pes)
start[l+1] = start[l] + par[l];
else {
start[l+1] = start[l];
j[l] = 1;
}
else
start[l+1] = start[l];
l++;
} else if (j[l] == 1) {
j[l+1] = 0;
if (my_pe & par[l]) {
start[l+1] = start[l];
l++;
} else
if (start[l]+par[l] < num_pes) {
start[l+1] = start[l] + par[l];
l++;
} else {
l--;
j[l]++;
}
} else {
l--;
j[l]++;
}
}
}
static int med3_load(struct xmp_context *ctx, FILE *f, const int start)
{
struct xmp_player_context *p = &ctx->p;
struct xmp_mod_context *m = &p->m;
int i, j;
uint32 mask;
int transp, sliding;
LOAD_INIT();
read32b(f);
strcpy(m->type, "MED3 (MED 2.00)");
m->xxh->ins = m->xxh->smp = 32;
INSTRUMENT_INIT();
/* read instrument names */
for (i = 0; i < 32; i++) {
uint8 c, buf[40];
for (j = 0; j < 40; j++) {
c = read8(f);
buf[j] = c;
if (c == 0)
break;
}
copy_adjust(m->xxih[i].name, buf, 32);
m->xxi[i] = calloc(sizeof(struct xxm_instrument), 1);
}
/* read instrument volumes */
mask = read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
m->xxi[i][0].vol = mask & MASK ? read8(f) : 0;
m->xxi[i][0].pan = 0x80;
m->xxi[i][0].fin = 0;
m->xxi[i][0].sid = i;
}
/* read instrument loops */
mask = read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
m->xxs[i].lps = mask & MASK ? read16b(f) : 0;
}
/* read instrument loop length */
mask = read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
uint32 lsiz = mask & MASK ? read16b(f) : 0;
m->xxs[i].len = m->xxs[i].lps + lsiz;
m->xxs[i].lpe = m->xxs[i].lps + lsiz;
m->xxs[i].flg = lsiz > 1 ? WAVE_LOOPING : 0;
}
m->xxh->chn = 4;
m->xxh->pat = read16b(f);
m->xxh->trk = m->xxh->chn * m->xxh->pat;
m->xxh->len = read16b(f);
fread(m->xxo, 1, m->xxh->len, f);
m->xxh->tpo = read16b(f);
if (m->xxh->tpo > 10) {
m->xxh->bpm = 125 * m->xxh->tpo / 33;
m->xxh->tpo = 6;
}
transp = read8s(f);
read8(f); /* flags */
sliding = read16b(f); /* sliding */
read32b(f); /* jumping mask */
fseek(f, 16, SEEK_CUR); /* rgb */
/* read midi channels */
mask = read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
if (mask & MASK)
read8(f);
}
/* read midi programs */
mask = read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
if (mask & MASK)
read8(f);
}
MODULE_INFO();
reportv(ctx, 0, "Sliding : %d\n", sliding);
reportv(ctx, 0, "Play transpose : %d semitones\n", transp);
if (sliding == 6)
m->quirk |= XMP_QRK_VSALL | XMP_QRK_PBALL;
for (i = 0; i < 32; i++)
m->xxi[i][0].xpo = transp;
PATTERN_INIT();
/* Load and convert patterns */
reportv(ctx, 0, "Stored patterns: %d ", m->xxh->pat);
for (i = 0; i < m->xxh->pat; i++) {
uint32 *conv;
uint8 b, tracks;
uint16 convsz;
PATTERN_ALLOC(i);
m->xxp[i]->rows = 64;
TRACK_ALLOC(i);
tracks = read8(f);
b = read8(f);
convsz = read16b(f);
conv = calloc(1, convsz + 16);
assert(conv);
if (b & M0F_LINEMSK00)
*conv = 0L;
else if (b & M0F_LINEMSK0F)
*conv = 0xffffffff;
else
*conv = read32b(f);
if (b & M0F_LINEMSK10)
*(conv + 1) = 0L;
else if (b & M0F_LINEMSK1F)
*(conv + 1) = 0xffffffff;
else
*(conv + 1) = read32b(f);
if (b & M0F_FXMSK00)
*(conv + 2) = 0L;
else if (b & M0F_FXMSK0F)
*(conv + 2) = 0xffffffff;
else
*(conv + 2) = read32b(f);
if (b & M0F_FXMSK10)
*(conv + 3) = 0L;
else if (b & M0F_FXMSK1F)
*(conv + 3) = 0xffffffff;
else
*(conv + 3) = read32b(f);
fread(conv + 4, 1, convsz, f);
unpack_block(ctx, i, (uint8 *)conv);
free(conv);
reportv(ctx, 0, ".");
}
reportv(ctx, 0, "\n");
/* Load samples */
reportv(ctx, 0, "Instruments : %d ", m->xxh->ins);
reportv(ctx, 1, "\n Instrument name Len LBeg LEnd L Vol");
mask = read32b(f);
for (i = 0; i < 32; i++, mask <<= 1) {
if (~mask & MASK)
continue;
m->xxs[i].len = read32b(f);
if (read16b(f)) /* type */
continue;
m->xxih[i].nsm = !!(m->xxs[i].len);
reportv(ctx, 1, "\n[%2X] %-32.32s %04x %04x %04x %c V%02x ",
i, m->xxih[i].name, m->xxs[i].len, m->xxs[i].lps,
m->xxs[i].lpe,
m->xxs[i].flg & WAVE_LOOPING ? 'L' : ' ',
m->xxi[i][0].vol);
xmp_drv_loadpatch(ctx, f, m->xxi[i][0].sid, m->c4rate, 0,
&m->xxs[m->xxi[i][0].sid], NULL);
reportv(ctx, 0, ".");
}
reportv(ctx, 0, "\n");
return 0;
}