www/waterfox: Backport sndio volume handling fix

https://bugzilla.mozilla.org/show_bug.cgi?id=1467882

PR:		229135
Approved by:	jbeich (maintainer)

2 files changed, 75 insertions, 0 deletions

diff --git a/www/waterfox/Makefile b/www/waterfox/Makefile
index 23aafcd364b7..48bf0c63c45d 100644
--- a/www/waterfox/Makefile
+++ b/www/waterfox/Makefile
@@ -3,6 +3,7 @@
 PORTNAME=	waterfox
 DISTVERSION=	56.2.1-48
 DISTVERSIONSUFFIX=	-g7f6ff796eeda4
+PORTREVISION=	1
 CATEGORIES=	www ipv6
 
 MAINTAINER=	jbeich@FreeBSD.org
diff --git a/www/waterfox/files/patch-bug1467882 b/www/waterfox/files/patch-bug1467882
new file mode 100644
index 000000000000..3047e0c9c068
--- /dev/null
+++ b/www/waterfox/files/patch-bug1467882
@@ -0,0 +1,74 @@
+--- media/libcubeb/src/cubeb_sndio.c.orig	2018-06-29 17:19:53 UTC
++++ media/libcubeb/src/cubeb_sndio.c
+@@ -49,17 +49,33 @@ struct cubeb_stream {
+   cubeb_data_callback data_cb;    /* cb to preapare data */
+   cubeb_state_callback state_cb;  /* cb to notify about state changes */
+   void *arg;                      /* user arg to {data,state}_cb */
++  float volume;                   /* current volume */
+ };
+ 
+ static void
+-float_to_s16(void *ptr, long nsamp)
++s16_setvol(void *ptr, long nsamp, float volume)
++{ 
++  int16_t *dst = ptr; 
++  int32_t mult = volume * 32768; 
++  int32_t s; 
++
++  while (nsamp-- > 0) { 
++    s = *dst; 
++    s = (s * mult) >> 15; 
++    *(dst++) = s; 
++  } 
++}
++
++static void
++float_to_s16(void *ptr, long nsamp, float volume)
+ {
+   int16_t *dst = ptr;
+   float *src = ptr;
++  float mult = volume * 32768;
+   int s;
+ 
+   while (nsamp-- > 0) {
+-    s = lrintf(*(src++) * 32768);
++    s = lrintf(*(src++) * mult);
+     if (s < -32768)
+       s = -32768;
+     else if (s > 32767)
+@@ -167,8 +183,12 @@ sndio_mainloop(void *arg)
+       if (prime > 0)
+         prime--;
+ 
+-      if ((s->mode & SIO_PLAY) && s->conv)
+-          float_to_s16(s->pbuf, nfr * s->pchan);
++      if (s->mode & SIO_PLAY) { 
++        if (s->conv) 
++          float_to_s16(s->pbuf, nfr * s->pchan, s->volume); 
++        else 
++          s16_setvol(s->pbuf, nfr * s->pchan, s->volume); 
++      } 
+ 
+       if (s->mode & SIO_REC)
+         rstart = 0;
+@@ -362,6 +382,7 @@ sndio_stream_init(cubeb * context,
+     if (s->rbuf == NULL)
+       goto err;
+   }
++  s->volume = 1.;
+   *stream = s;
+   DPR("sndio_stream_init() end, ok\n");
+   (void)context;
+@@ -466,7 +487,11 @@ sndio_stream_set_volume(cubeb_stream *s, float volume)
+ {
+   DPR("sndio_stream_set_volume(%f)\n", volume);
+   pthread_mutex_lock(&s->mtx);
+-  sio_setvol(s->hdl, SIO_MAXVOL * volume);
++  if (volume < 0.) 
++    volume = 0.; 
++  else if (volume > 1.0) 
++    volume = 1.; 
++  s->volume = volume; 
+   pthread_mutex_unlock(&s->mtx);
+   return CUBEB_OK;
+ }