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Revert https://github.com/mozilla/cubeb/commit/0846b39f1fdc
until https://github.com/mozilla/cubeb/issues/746
--- 3rdparty/cubeb/cubeb/src/cubeb_sndio.c.orig 2025-09-16 23:01:49 UTC
+++ 3rdparty/cubeb/cubeb/src/cubeb_sndio.c
@@ -68,7 +68,7 @@ struct cubeb_stream {
struct sio_hdl * hdl; /* link us to sndio */
int mode; /* bitmap of SIO_{PLAY,REC} */
int active; /* cubec_start() called */
- int conv; /* need float->s24 conversion */
+ int conv; /* need float->s16 conversion */
unsigned char * rbuf; /* rec data consumed from here */
unsigned char * pbuf; /* play data is prepared here */
unsigned int nfr; /* number of frames in ibuf and obuf */
@@ -99,33 +99,33 @@ static void
}
static void
-float_to_s24(void * ptr, long nsamp, float volume)
+float_to_s16(void * ptr, long nsamp, float volume)
{
- int32_t * dst = ptr;
+ int16_t * dst = ptr;
float * src = ptr;
- float mult = volume * 8388608;
+ float mult = volume * 32768;
int s;
while (nsamp-- > 0) {
s = lrintf(*(src++) * mult);
- if (s < -8388608)
- s = -8388608;
- else if (s > 8388607)
- s = 8388607;
+ if (s < -32768)
+ s = -32768;
+ else if (s > 32767)
+ s = 32767;
*(dst++) = s;
}
}
static void
-s24_to_float(void * ptr, long nsamp)
+s16_to_float(void * ptr, long nsamp)
{
- int32_t * src = ptr;
+ int16_t * src = ptr;
float * dst = ptr;
src += nsamp;
dst += nsamp;
while (nsamp-- > 0)
- *(--dst) = (1. / 8388608) * *(--src);
+ *(--dst) = (1. / 32768) * *(--src);
}
static const char *
@@ -213,7 +213,7 @@ sndio_mainloop(void * arg)
}
if ((s->mode & SIO_REC) && s->conv)
- s24_to_float(s->rbuf, s->nfr * s->rchan);
+ s16_to_float(s->rbuf, s->nfr * s->rchan);
/* invoke call-back, it returns less that s->nfr if done */
pthread_mutex_unlock(&s->mtx);
@@ -244,7 +244,7 @@ sndio_mainloop(void * arg)
if (s->mode & SIO_PLAY) {
if (s->conv)
- float_to_s24(s->pbuf, nfr * s->pchan, s->volume);
+ float_to_s16(s->pbuf, nfr * s->pchan, s->volume);
else
s16_setvol(s->pbuf, nfr * s->pchan, s->volume);
}
@@ -429,25 +429,21 @@ sndio_stream_init(cubeb * context, cubeb_stream ** str
}
WRAP(sio_initpar)(&wpar);
wpar.sig = 1;
+ wpar.bits = 16;
switch (format) {
case CUBEB_SAMPLE_S16LE:
wpar.le = 1;
- wpar.bits = 16;
break;
case CUBEB_SAMPLE_S16BE:
wpar.le = 0;
- wpar.bits = 16;
break;
case CUBEB_SAMPLE_FLOAT32NE:
wpar.le = SIO_LE_NATIVE;
- wpar.bits = 24;
- wpar.msb = 0;
break;
default:
DPR("sndio_stream_init() unsupported format\n");
goto err;
}
- wpar.bps = SIO_BPS(wpar.bits);
wpar.rate = rate;
if (s->mode & SIO_REC)
wpar.rchan = input_stream_params->channels;
@@ -459,8 +455,6 @@ sndio_stream_init(cubeb * context, cubeb_stream ** str
goto err;
}
if (rpar.bits != wpar.bits || rpar.le != wpar.le || rpar.sig != wpar.sig ||
- rpar.bps != wpar.bps ||
- (wpar.bits < 8 * wpar.bps && rpar.msb != wpar.msb) ||
rpar.rate != wpar.rate ||
((s->mode & SIO_REC) && rpar.rchan != wpar.rchan) ||
((s->mode & SIO_PLAY) && rpar.pchan != wpar.pchan)) {
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