mirror of https://github.com/ericonr/sndio.git
sndiod: Remove redundant slot->tstate variable.
It was used to determine whether the slot obeys MMC and is ready to start. The stop->opt->mmc flag indicates if it obeys MMC and the slot->pstate == SLOT_READY indicates if it's ready. So slot->tstate can be safely removed.
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40
sndiod/dev.c
40
sndiod/dev.c
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@ -132,9 +132,6 @@ slot_log(struct slot *s)
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static char *pstates[] = {
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"ini", "sta", "rdy", "run", "stp", "mid"
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};
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static char *tstates[] = {
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"off", "sta", "run", "stp"
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};
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#endif
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log_puts(s->name);
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log_putu(s->unit);
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@ -145,8 +142,6 @@ slot_log(struct slot *s)
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if (s->ops) {
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log_puts(",pst=");
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log_puts(pstates[s->pstate]);
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log_puts(",mmc=");
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log_puts(tstates[s->tstate]);
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}
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}
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#endif
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@ -1000,7 +995,6 @@ dev_new(char *path, struct aparams *par,
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d->slot[i].unit = i;
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d->slot[i].ops = NULL;
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d->slot[i].vol = MIDI_MAXCTL;
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d->slot[i].tstate = MMC_OFF;
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d->slot[i].serial = d->serial++;
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strlcpy(d->slot[i].name, "prog", SLOT_NAMEMAX);
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}
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@ -1315,9 +1309,9 @@ dev_sync_attach(struct dev *d)
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}
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for (i = 0; i < DEV_NSLOT; i++) {
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s = d->slot + i;
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if (!s->ops || s->tstate == MMC_OFF)
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if (!s->ops || !s->opt->mmc)
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continue;
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if (s->tstate != MMC_START || s->pstate != SLOT_READY) {
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if (s->pstate != SLOT_READY) {
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#ifdef DEBUG
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if (log_level >= 3) {
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slot_log(s);
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@ -1331,18 +1325,9 @@ dev_sync_attach(struct dev *d)
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return;
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for (i = 0; i < DEV_NSLOT; i++) {
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s = d->slot + i;
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if (!s->ops)
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if (!s->ops || !s->opt->mmc)
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continue;
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if (s->tstate == MMC_START) {
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#ifdef DEBUG
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if (log_level >= 3) {
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slot_log(s);
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log_puts(": started\n");
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}
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#endif
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s->tstate = MMC_RUN;
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slot_attach(s);
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}
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slot_attach(s);
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}
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d->tstate = MMC_RUN;
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dev_midi_full(d);
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@ -1672,13 +1657,7 @@ found:
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s->mix.nch = s->opt->pmax - s->opt->pmin + 1;
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if (s->mode & MODE_RECMASK)
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s->sub.nch = s->opt->rmax - s->opt->rmin + 1;
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if (s->opt->mmc) {
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s->xrun = XRUN_SYNC;
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s->tstate = MMC_STOP;
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} else {
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s->xrun = XRUN_IGNORE;
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s->tstate = MMC_OFF;
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}
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s->xrun = s->opt->mmc ? XRUN_SYNC : XRUN_IGNORE;
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s->appbufsz = d->bufsz;
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s->round = d->round;
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s->rate = d->rate;
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@ -1821,12 +1800,10 @@ slot_ready(struct slot *s)
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*/
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if (s->dev->pstate == DEV_CFG)
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return;
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if (s->tstate == MMC_OFF)
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if (!s->opt->mmc)
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slot_attach(s);
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else {
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s->tstate = MMC_START;
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else
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dev_sync_attach(s->dev);
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}
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}
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/*
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@ -1923,9 +1900,6 @@ slot_stop(struct slot *s)
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slot_ready(s);
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}
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if (s->tstate != MMC_OFF)
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s->tstate = MMC_STOP;
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if (s->pstate == SLOT_RUN) {
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if (s->mode & MODE_PLAY) {
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/*
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@ -89,7 +89,6 @@ struct slot {
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unsigned int unit; /* instance of name */
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unsigned int serial; /* global unique number */
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unsigned int vol; /* current (midi) volume */
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unsigned int tstate; /* mmc state */
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};
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struct opt {
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@ -190,7 +189,6 @@ struct dev {
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/*
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* MIDI machine control (MMC)
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*/
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#define MMC_OFF 0 /* ignore MMC messages */
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#define MMC_STOP 1 /* stopped, can't start */
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#define MMC_START 2 /* attempting to start */
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#define MMC_RUN 3 /* started */
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