void
pr_enc(struct sio_enc *enc)
{
fprintf(stderr, "%s%d", enc->sig ? "s" : "u", enc->bits);
if (enc->bps > 1)
fprintf(stderr, "%s", enc->le ? "le" : "be");
if (enc->bps != SIO_BPS(enc->bits))
fprintf(stderr, "%d%s", enc->bps, enc->msb ? "msb" : "lsb");
}
static struct sio_par *sndio_initpar(uint32_t srate, uint8_t ch)
{
struct sio_par *par = NULL;
if ((par = mem_zalloc(sizeof(*par), NULL)) == NULL)
return NULL;
sio_initpar(par);
/* sndio doesn't support a-low and u-low */
par->bits = 16;
par->bps = SIO_BPS(par->bits);
par->sig = 1;
par->le = SIO_LE_NATIVE;
par->rchan = ch;
par->pchan = ch;
par->rate = srate;
return par;
}
static struct sio_par *sndio_initpar(void *arg)
{
struct sio_par *par;
struct auplay_prm *prm = arg;
if ((par = malloc(sizeof(struct sio_par))) == NULL)
return NULL;
sio_initpar(par);
/* sndio doesn't support a-low and u-low */
par->bits = 16;
par->bps = SIO_BPS(par->bits);
par->sig = 1;
par->le = 1;
par->rchan = prm->ch;
par->pchan = prm->ch;
par->rate = prm->srate;
return par;
}
static int
SNDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
{
SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
struct sio_par par;
int status;
this->hidden = (struct SDL_PrivateAudioData *)
SDL_malloc(sizeof(*this->hidden));
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, sizeof(*this->hidden));
this->hidden->mixlen = this->spec.size;
/* !!! FIXME: SIO_DEVANY can be a specific device... */
if ((this->hidden->dev = SNDIO_sio_open(SIO_DEVANY, SIO_PLAY, 0)) == NULL) {
SNDIO_CloseDevice(this);
return SDL_SetError("sio_open() failed");
}
SNDIO_sio_initpar(&par);
par.rate = this->spec.freq;
par.pchan = this->spec.channels;
par.round = this->spec.samples;
par.appbufsz = par.round * 2;
/* Try for a closest match on audio format */
status = -1;
while (test_format && (status < 0)) {
if (!SDL_AUDIO_ISFLOAT(test_format)) {
par.le = SDL_AUDIO_ISLITTLEENDIAN(test_format) ? 1 : 0;
par.sig = SDL_AUDIO_ISSIGNED(test_format) ? 1 : 0;
par.bits = SDL_AUDIO_BITSIZE(test_format);
if (SNDIO_sio_setpar(this->hidden->dev, &par) == 0) {
continue;
}
if (SNDIO_sio_getpar(this->hidden->dev, &par) == 0) {
SNDIO_CloseDevice(this);
return SDL_SetError("sio_getpar() failed");
}
if (par.bps != SIO_BPS(par.bits)) {
continue;
}
if ((par.bits == 8 * par.bps) || (par.msb)) {
status = 0;
break;
}
}
test_format = SDL_NextAudioFormat();
}
if (status < 0) {
SNDIO_CloseDevice(this);
return SDL_SetError("sndio: Couldn't find any hardware audio formats");
}
if ((par.bps == 4) && (par.sig) && (par.le))
this->spec.format = AUDIO_S32LSB;
else if ((par.bps == 4) && (par.sig) && (!par.le))
this->spec.format = AUDIO_S32MSB;
else if ((par.bps == 2) && (par.sig) && (par.le))
this->spec.format = AUDIO_S16LSB;
else if ((par.bps == 2) && (par.sig) && (!par.le))
this->spec.format = AUDIO_S16MSB;
else if ((par.bps == 2) && (!par.sig) && (par.le))
this->spec.format = AUDIO_U16LSB;
else if ((par.bps == 2) && (!par.sig) && (!par.le))
this->spec.format = AUDIO_U16MSB;
else if ((par.bps == 1) && (par.sig))
this->spec.format = AUDIO_S8;
else if ((par.bps == 1) && (!par.sig))
this->spec.format = AUDIO_U8;
else {
SNDIO_CloseDevice(this);
return SDL_SetError("sndio: Got unsupported hardware audio format.");
}
this->spec.freq = par.rate;
this->spec.channels = par.pchan;
this->spec.samples = par.round;
/* Calculate the final parameters for this audio specification */
SDL_CalculateAudioSpec(&this->spec);
/* Allocate mixing buffer */
this->hidden->mixlen = this->spec.size;
this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen);
if (this->hidden->mixbuf == NULL) {
SNDIO_CloseDevice(this);
return SDL_OutOfMemory();
}
SDL_memset(this->hidden->mixbuf, this->spec.silence, this->hidden->mixlen);
if (!SNDIO_sio_start(this->hidden->dev)) {
return SDL_SetError("sio_start() failed");
}
/* We're ready to rock and roll. :-) */
return 0;
}
/*
* open device and setup parameters
* return: 0=success -1=fail
*/
static int init(struct ao *ao)
{
struct priv *p = ao->priv;
struct af_to_par {
int format, bits, sig, le;
} static const af_to_par[] = {
{AF_FORMAT_U8, 8, 0, 0},
{AF_FORMAT_S8, 8, 1, 0},
{AF_FORMAT_U16_LE, 16, 0, 1},
{AF_FORMAT_U16_BE, 16, 0, 0},
{AF_FORMAT_S16_LE, 16, 1, 1},
{AF_FORMAT_S16_BE, 16, 1, 0},
{AF_FORMAT_U24_LE, 16, 0, 1},
{AF_FORMAT_U24_BE, 24, 0, 0},
{AF_FORMAT_S24_LE, 24, 1, 1},
{AF_FORMAT_S24_BE, 24, 1, 0},
{AF_FORMAT_U32_LE, 32, 0, 1},
{AF_FORMAT_U32_BE, 32, 0, 0},
{AF_FORMAT_S32_LE, 32, 1, 1},
{AF_FORMAT_S32_BE, 32, 1, 0}
}, *ap;
int i;
p->hdl = sio_open(p->dev, SIO_PLAY, 0);
if (p->hdl == NULL) {
MP_ERR(ao, "can't open sndio %s\n", p->dev);
goto error;
}
ao->format = af_fmt_from_planar(ao->format);
sio_initpar(&p->par);
for (i = 0, ap = af_to_par;; i++, ap++) {
if (i == sizeof(af_to_par) / sizeof(struct af_to_par)) {
MP_VERBOSE(ao, "unsupported format\n");
p->par.bits = 16;
p->par.sig = 1;
p->par.le = SIO_LE_NATIVE;
break;
}
if (ap->format == ao->format) {
p->par.bits = ap->bits;
p->par.sig = ap->sig;
if (ap->bits > 8)
p->par.le = ap->le;
if (ap->bits != SIO_BPS(ap->bits))
p->par.bps = ap->bits / 8;
break;
}
}
p->par.rate = ao->samplerate;
struct mp_chmap_sel sel = {0};
for (int n = 0; n < MP_NUM_CHANNELS+1; n++)
mp_chmap_sel_add_map(&sel, &sndio_layouts[n]);
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels))
goto error;
p->par.pchan = ao->channels.num;
p->par.appbufsz = p->par.rate * 250 / 1000; /* 250ms buffer */
p->par.round = p->par.rate * 10 / 1000; /* 10ms block size */
if (!sio_setpar(p->hdl, &p->par)) {
MP_ERR(ao, "couldn't set params\n");
goto error;
}
if (!sio_getpar(p->hdl, &p->par)) {
MP_ERR(ao, "couldn't get params\n");
goto error;
}
if (p->par.bits == 8 && p->par.bps == 1) {
ao->format = p->par.sig ? AF_FORMAT_S8 : AF_FORMAT_U8;
} else if (p->par.bits == 16 && p->par.bps == 2) {
ao->format = p->par.sig ?
(p->par.le ? AF_FORMAT_S16_LE : AF_FORMAT_S16_BE) :
(p->par.le ? AF_FORMAT_U16_LE : AF_FORMAT_U16_BE);
} else if ((p->par.bits == 24 || p->par.msb) && p->par.bps == 3) {
ao->format = p->par.sig ?
(p->par.le ? AF_FORMAT_S24_LE : AF_FORMAT_S24_BE) :
(p->par.le ? AF_FORMAT_U24_LE : AF_FORMAT_U24_BE);
} else if ((p->par.bits == 32 || p->par.msb) && p->par.bps == 4) {
ao->format = p->par.sig ?
(p->par.le ? AF_FORMAT_S32_LE : AF_FORMAT_S32_BE) :
(p->par.le ? AF_FORMAT_U32_LE : AF_FORMAT_U32_BE);
} else {
MP_ERR(ao, "couldn't set format\n");
goto error;
}
ao->bps = p->par.bps * p->par.pchan * p->par.rate;
p->havevol = sio_onvol(p->hdl, volcb, p);
sio_onmove(p->hdl, movecb, p);
p->delay = 0;
if (!sio_start(p->hdl))
MP_ERR(ao, "init: couldn't start\n");
p->pfd = calloc (sio_nfds(p->hdl), sizeof (struct pollfd));
if (!p->pfd)
goto error;
return 0;
error:
if (p->hdl)
sio_close(p->hdl);
return -1;
}
/*
* open the device.
*/
int
dev_sio_open(struct dev *d)
{
struct sio_par par;
unsigned int mode = d->mode & (MODE_PLAY | MODE_REC);
d->sio.hdl = sio_open(d->path, mode, 1);
if (d->sio.hdl == NULL) {
if (mode != (SIO_PLAY | SIO_REC))
return 0;
d->sio.hdl = sio_open(d->path, SIO_PLAY, 1);
if (d->sio.hdl != NULL)
mode = SIO_PLAY;
else {
d->sio.hdl = sio_open(d->path, SIO_REC, 1);
if (d->sio.hdl != NULL)
mode = SIO_REC;
else
return 0;
}
if (log_level >= 1) {
log_puts("warning, device opened in ");
log_puts(mode == SIO_PLAY ? "play-only" : "rec-only");
log_puts(" mode\n");
}
}
sio_initpar(&par);
par.bits = d->par.bits;
par.bps = d->par.bps;
par.sig = d->par.sig;
par.le = d->par.le;
par.msb = d->par.msb;
if (mode & SIO_PLAY)
par.pchan = d->pchan;
if (mode & SIO_REC)
par.rchan = d->rchan;
if (d->bufsz)
par.appbufsz = d->bufsz;
if (d->round)
par.round = d->round;
if (d->rate)
par.rate = d->rate;
if (!sio_setpar(d->sio.hdl, &par))
goto bad_close;
if (!sio_getpar(d->sio.hdl, &par))
goto bad_close;
#ifdef DEBUG
/*
* We support any parameter combination exposed by the kernel,
* and we have no other choice than trusting the kernel for
* returning correct parameters. But let's check parameters
* early and nicely report kernel bugs rather than crashing
* later in memset(), malloc() or alike.
*/
if (par.bits > BITS_MAX) {
log_puts(d->path);
log_puts(": ");
log_putu(par.bits);
log_puts(": unsupported number of bits\n");
goto bad_close;
}
if (par.bps > SIO_BPS(BITS_MAX)) {
log_puts(d->path);
log_puts(": ");
log_putu(par.bps);
log_puts(": unsupported sample size\n");
goto bad_close;
}
if ((mode & SIO_PLAY) && par.pchan > NCHAN_MAX) {
log_puts(d->path);
log_puts(": ");
log_putu(par.pchan);
log_puts(": unsupported number of play channels\n");
goto bad_close;
}
if ((mode & SIO_REC) && par.rchan > NCHAN_MAX) {
log_puts(d->path);
log_puts(": ");
log_putu(par.rchan);
log_puts(": unsupported number of rec channels\n");
goto bad_close;
}
if (par.bufsz == 0 || par.bufsz > RATE_MAX) {
log_puts(d->path);
log_puts(": ");
log_putu(par.bufsz);
log_puts(": unsupported buffer size\n");
goto bad_close;
}
if (par.round == 0 || par.round > par.bufsz ||
par.bufsz % par.round != 0) {
log_puts(d->path);
log_puts(": ");
log_putu(par.round);
log_puts(": unsupported block size\n");
goto bad_close;
}
if (par.rate == 0 || par.rate > RATE_MAX) {
log_puts(d->path);
log_puts(": ");
log_putu(par.rate);
log_puts(": unsupported rate\n");
goto bad_close;
}
#endif
d->par.bits = par.bits;
d->par.bps = par.bps;
d->par.sig = par.sig;
d->par.le = par.le;
d->par.msb = par.msb;
if (mode & SIO_PLAY)
d->pchan = par.pchan;
if (mode & SIO_REC)
d->rchan = par.rchan;
d->bufsz = par.bufsz;
d->round = par.round;
d->rate = par.rate;
if (!(mode & MODE_PLAY))
d->mode &= ~(MODE_PLAY | MODE_MON);
if (!(mode & MODE_REC))
d->mode &= ~MODE_REC;
sio_onmove(d->sio.hdl, dev_sio_onmove, d);
d->sio.file = file_new(&dev_sio_ops, d, d->path, sio_nfds(d->sio.hdl));
timo_set(&d->sio.watchdog, dev_sio_timeout, d);
return 1;
bad_close:
sio_close(d->sio.hdl);
return 0;
}
