sndiod: move slot buffer allocations in their own routines

This commit is contained in:
Alexandre Ratchov 2018-06-09 09:27:27 +02:00
parent 88e75c3d10
commit ddf5e0dfa7
1 changed files with 150 additions and 127 deletions

View File

@ -78,6 +78,8 @@ void slot_del(struct slot *);
void slot_setvol(struct slot *, unsigned int);
void slot_attach(struct slot *);
void slot_ready(struct slot *);
void slot_allocbufs(struct slot *);
void slot_freebufs(struct slot *);
void slot_start(struct slot *);
void slot_detach(struct slot *);
void slot_stop(struct slot *);
@ -826,15 +828,17 @@ dev_cycle(struct dev *d)
* layer, so s->mix.buf.used == 0 and we can
* destroy the buffer
*/
s->pstate = SLOT_INIT;
abuf_done(&s->mix.buf);
if (s->mix.decbuf)
xfree(s->mix.decbuf);
if (s->mix.resampbuf)
xfree(s->mix.resampbuf);
s->ops->eof(s->arg);
*ps = s->next;
s->pstate = SLOT_INIT;
s->ops->eof(s->arg);
slot_freebufs(s);
dev_mix_adjvol(d);
#ifdef DEBUG
if (log_level >= 3) {
slot_log(s);
log_puts(": drained\n");
}
#endif
continue;
}
@ -1403,6 +1407,138 @@ dev_mmcloc(struct dev *d, unsigned int origin)
dev_mmcstart(d);
}
/*
* allocate buffers & conversion chain
*/
void
slot_allocbufs(struct slot *s)
{
unsigned int slot_nch, dev_nch;
struct dev *d = s->dev;
if (s->mode & MODE_PLAY) {
s->mix.bpf = s->par.bps *
(s->mix.slot_cmax - s->mix.slot_cmin + 1);
abuf_init(&s->mix.buf, s->appbufsz * s->mix.bpf);
slot_nch = s->mix.slot_cmax - s->mix.slot_cmin + 1;
dev_nch = s->mix.dev_cmax - s->mix.dev_cmin + 1;
s->mix.decbuf = NULL;
s->mix.resampbuf = NULL;
s->mix.join = 1;
s->mix.expand = 1;
if (s->dup) {
if (dev_nch > slot_nch)
s->mix.expand = dev_nch / slot_nch;
else if (dev_nch < slot_nch)
s->mix.join = slot_nch / dev_nch;
}
cmap_init(&s->mix.cmap,
s->mix.slot_cmin, s->mix.slot_cmax,
s->mix.slot_cmin, s->mix.slot_cmax,
0, d->pchan - 1,
s->mix.dev_cmin, s->mix.dev_cmax);
if (!aparams_native(&s->par)) {
dec_init(&s->mix.dec, &s->par, slot_nch);
s->mix.decbuf =
xmalloc(s->round * slot_nch * sizeof(adata_t));
}
if (s->rate != d->rate) {
resamp_init(&s->mix.resamp, s->round, d->round,
slot_nch);
s->mix.resampbuf =
xmalloc(d->round * slot_nch * sizeof(adata_t));
}
}
if (s->mode & MODE_RECMASK) {
s->sub.bpf = s->par.bps *
(s->sub.slot_cmax - s->sub.slot_cmin + 1);
abuf_init(&s->sub.buf, s->appbufsz * s->sub.bpf);
slot_nch = s->sub.slot_cmax - s->sub.slot_cmin + 1;
dev_nch = s->sub.dev_cmax - s->sub.dev_cmin + 1;
s->sub.encbuf = NULL;
s->sub.resampbuf = NULL;
s->sub.join = 1;
s->sub.expand = 1;
if (s->dup) {
if (dev_nch > slot_nch)
s->sub.join = dev_nch / slot_nch;
else if (dev_nch < slot_nch)
s->sub.expand = slot_nch / dev_nch;
}
cmap_init(&s->sub.cmap,
0, ((s->mode & MODE_MON) ? d->pchan : d->rchan) - 1,
s->sub.dev_cmin, s->sub.dev_cmax,
s->sub.slot_cmin, s->sub.slot_cmax,
s->sub.slot_cmin, s->sub.slot_cmax);
if (s->rate != d->rate) {
resamp_init(&s->sub.resamp, d->round, s->round,
slot_nch);
s->sub.resampbuf =
xmalloc(d->round * slot_nch * sizeof(adata_t));
}
if (!aparams_native(&s->par)) {
enc_init(&s->sub.enc, &s->par, slot_nch);
s->sub.encbuf =
xmalloc(s->round * slot_nch * sizeof(adata_t));
}
/*
* cmap_copy() doesn't write samples in all channels,
* for instance when mono->stereo conversion is
* disabled. So we have to prefill cmap_copy() output
* with silence.
*/
if (s->sub.resampbuf) {
memset(s->sub.resampbuf, 0,
d->round * slot_nch * sizeof(adata_t));
} else if (s->sub.encbuf) {
memset(s->sub.encbuf, 0,
s->round * slot_nch * sizeof(adata_t));
} else {
memset(s->sub.buf.data, 0,
s->appbufsz * slot_nch * sizeof(adata_t));
}
}
#ifdef DEBUG
if (log_level >= 3) {
slot_log(s);
log_puts(": allocated ");
log_putu(s->appbufsz);
log_puts("/");
log_putu(SLOT_BUFSZ(s));
log_puts(" fr buffers\n");
}
#endif
}
/*
* free buffers & conversion chain
*/
void
slot_freebufs(struct slot *s)
{
if (s->mode & MODE_RECMASK) {
abuf_done(&s->sub.buf);
if (s->sub.encbuf)
xfree(s->sub.encbuf);
if (s->sub.resampbuf)
xfree(s->sub.resampbuf);
}
if (s->mode & MODE_PLAY) {
abuf_done(&s->mix.buf);
if (s->mix.decbuf)
xfree(s->mix.decbuf);
if (s->mix.resampbuf)
xfree(s->mix.resampbuf);
}
}
/*
* allocate a new slot and register the given call-backs
*/
@ -1590,7 +1726,6 @@ void
slot_attach(struct slot *s)
{
struct dev *d = s->dev;
unsigned int slot_nch, dev_nch;
long long pos;
int startpos;
@ -1640,84 +1775,10 @@ slot_attach(struct slot *s)
d->slot_list = s;
s->skip = 0;
if (s->mode & MODE_PLAY) {
slot_nch = s->mix.slot_cmax - s->mix.slot_cmin + 1;
dev_nch = s->mix.dev_cmax - s->mix.dev_cmin + 1;
s->mix.decbuf = NULL;
s->mix.resampbuf = NULL;
s->mix.join = 1;
s->mix.expand = 1;
if (s->dup) {
if (dev_nch > slot_nch)
s->mix.expand = dev_nch / slot_nch;
else if (dev_nch < slot_nch)
s->mix.join = slot_nch / dev_nch;
}
cmap_init(&s->mix.cmap,
s->mix.slot_cmin, s->mix.slot_cmax,
s->mix.slot_cmin, s->mix.slot_cmax,
0, d->pchan - 1,
s->mix.dev_cmin, s->mix.dev_cmax);
if (!aparams_native(&s->par)) {
dec_init(&s->mix.dec, &s->par, slot_nch);
s->mix.decbuf =
xmalloc(s->round * slot_nch * sizeof(adata_t));
}
if (s->rate != d->rate) {
resamp_init(&s->mix.resamp, s->round, d->round,
slot_nch);
s->mix.resampbuf =
xmalloc(d->round * slot_nch * sizeof(adata_t));
}
s->mix.vol = MIDI_TO_ADATA(s->vol);
dev_mix_adjvol(d);
}
if (s->mode & MODE_RECMASK) {
slot_nch = s->sub.slot_cmax - s->sub.slot_cmin + 1;
dev_nch = s->sub.dev_cmax - s->sub.dev_cmin + 1;
s->sub.encbuf = NULL;
s->sub.resampbuf = NULL;
s->sub.join = 1;
s->sub.expand = 1;
if (s->dup) {
if (dev_nch > slot_nch)
s->sub.join = dev_nch / slot_nch;
else if (dev_nch < slot_nch)
s->sub.expand = slot_nch / dev_nch;
}
cmap_init(&s->sub.cmap,
0, ((s->mode & MODE_MON) ? d->pchan : d->rchan) - 1,
s->sub.dev_cmin, s->sub.dev_cmax,
s->sub.slot_cmin, s->sub.slot_cmax,
s->sub.slot_cmin, s->sub.slot_cmax);
if (s->rate != d->rate) {
resamp_init(&s->sub.resamp, d->round, s->round,
slot_nch);
s->sub.resampbuf =
xmalloc(d->round * slot_nch * sizeof(adata_t));
}
if (!aparams_native(&s->par)) {
enc_init(&s->sub.enc, &s->par, slot_nch);
s->sub.encbuf =
xmalloc(s->round * slot_nch * sizeof(adata_t));
}
/*
* cmap_copy() doesn't write samples in all channels,
* for instance when mono->stereo conversion is
* disabled. So we have to prefill cmap_copy() output
* with silence.
*/
if (s->sub.resampbuf) {
memset(s->sub.resampbuf, 0,
d->round * slot_nch * sizeof(adata_t));
} else if (s->sub.encbuf) {
memset(s->sub.encbuf, 0,
s->round * slot_nch * sizeof(adata_t));
} else {
memset(s->sub.buf.data, 0,
s->appbufsz * slot_nch * sizeof(adata_t));
}
/*
* N-th recorded block is the N-th played block
*/
@ -1753,59 +1814,35 @@ slot_ready(struct slot *s)
void
slot_start(struct slot *s)
{
unsigned int bufsz;
#ifdef DEBUG
struct dev *d = s->dev;
if (s->pstate != SLOT_INIT) {
slot_log(s);
log_puts(": slot_start: wrong state\n");
panic();
}
#endif
bufsz = s->appbufsz;
if (s->mode & MODE_PLAY) {
#ifdef DEBUG
if (log_level >= 3) {
slot_log(s);
log_puts(": playing ");
aparams_log(&s->par);
log_puts(" -> ");
aparams_log(&d->par);
aparams_log(&s->dev->par);
log_puts("\n");
}
#endif
s->mix.bpf = s->par.bps *
(s->mix.slot_cmax - s->mix.slot_cmin + 1);
abuf_init(&s->mix.buf, bufsz * s->mix.bpf);
}
if (s->mode & MODE_RECMASK) {
#ifdef DEBUG
if (log_level >= 3) {
slot_log(s);
log_puts(": recording ");
aparams_log(&s->par);
log_puts(" <- ");
aparams_log(&d->par);
aparams_log(&s->dev->par);
log_puts("\n");
}
}
#endif
s->sub.bpf = s->par.bps *
(s->sub.slot_cmax - s->sub.slot_cmin + 1);
abuf_init(&s->sub.buf, bufsz * s->sub.bpf);
}
slot_allocbufs(s);
s->mix.weight = MIDI_TO_ADATA(MIDI_MAXCTL);
#ifdef DEBUG
if (log_level >= 3) {
slot_log(s);
log_puts(": allocated ");
log_putu(s->appbufsz);
log_puts("/");
log_putu(SLOT_BUFSZ(s));
log_puts(" fr buffers\n");
}
#endif
if (s->mode & MODE_PLAY) {
s->pstate = SLOT_START;
} else {
@ -1838,19 +1875,8 @@ slot_detach(struct slot *s)
#endif
}
*ps = s->next;
if (s->mode & MODE_RECMASK) {
if (s->sub.encbuf)
xfree(s->sub.encbuf);
if (s->sub.resampbuf)
xfree(s->sub.resampbuf);
}
if (s->mode & MODE_PLAY) {
if (s->mix.decbuf)
xfree(s->mix.decbuf);
if (s->mix.resampbuf)
xfree(s->mix.resampbuf);
if (s->mode & MODE_PLAY)
dev_mix_adjvol(s->dev);
}
}
/*
@ -1879,9 +1905,6 @@ slot_stop(struct slot *s)
if (s->tstate != MMC_OFF)
s->tstate = MMC_STOP;
if (s->mode & MODE_RECMASK)
abuf_done(&s->sub.buf);
if (s->pstate == SLOT_RUN) {
if (s->mode & MODE_PLAY) {
/*
@ -1900,10 +1923,10 @@ slot_stop(struct slot *s)
}
#endif
}
if (s->mode & MODE_PLAY)
abuf_done(&s->mix.buf);
s->pstate = SLOT_INIT;
s->ops->eof(s->arg);
slot_freebufs(s);
}
void