Enable sndio support in libao, based on the OpenBSD port.

Also add --disable-alsa to CONFIGURE_ARGS because without it the
port tries to link with libasound when it's installed.

PR:		211662
Submitted by:	Tobias Kortkamp <t@tobik.me>

3 files changed, 64 insertions, 1 deletions

diff --git a/audio/libao/Makefile b/audio/libao/Makefile
index 28f6ea1bce0..6504ba2a1d1 100644
--- a/audio/libao/Makefile
+++ b/audio/libao/Makefile
@@ -16,13 +16,14 @@ USES=		libtool pathfix pkgconfig
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-static \
+		--disable-alsa \
 		--disable-arts
 INSTALL_TARGET=	install-strip
 
 # do not install
 MAKE_ARGS=	ckport_DATA=""
 
-OPTIONS_DEFINE=	DOCS ESOUND NAS PULSEAUDIO
+OPTIONS_DEFINE=	DOCS ESOUND NAS PULSEAUDIO SNDIO
 OPTIONS_SUB=	yes
 
 NAS_LIB_DEPENDS=libaudio.so:audio/nas
@@ -34,6 +35,9 @@ PULSEAUDIO_CONFIGURE_ENABLE=	pulse
 ESOUND_CONFIGURE_ENABLE=esd
 ESOUND_USE=	GNOME=esound
 
+SNDIO_LIB_DEPENDS=	libsndio.so:audio/sndio
+SNDIO_USES=	localbase
+
 post-patch:
 	@${REINPLACE_CMD} -e 's|/etc/libao.conf|${PREFIX}&|' \
 		${WRKSRC}/libao.conf.5 ${WRKSRC}/include/ao/ao_private.h \
diff --git a/audio/libao/files/patch-src_plugins_sndio_ao__sndio.c b/audio/libao/files/patch-src_plugins_sndio_ao__sndio.c
new file mode 100644
index 00000000000..45b25feff31
--- /dev/null
+++ b/audio/libao/files/patch-src_plugins_sndio_ao__sndio.c
@@ -0,0 +1,58 @@
+$OpenBSD: patch-src_plugins_sndio_ao_sndio_c,v 1.3 2014/05/27 19:44:56 naddy Exp $
+--- src/plugins/sndio/ao_sndio.c.orig	2012-02-14 00:46:06 UTC
++++ src/plugins/sndio/ao_sndio.c
+@@ -99,6 +99,7 @@ int ao_plugin_set_option(ao_device *devi
+ int ao_plugin_open(ao_device *device, ao_sample_format *format)
+ {
+   ao_sndio_internal *internal = (ao_sndio_internal *) device->internal;
++  struct sio_hdl *hdl;
+   struct sio_par par;
+ 
+   if(!internal->dev && internal->id>=0){
+@@ -107,20 +108,26 @@ int ao_plugin_open(ao_device *device, ao
+     internal->dev = strdup(buf);
+   }
+ 
+-  internal->hdl = sio_open(internal->dev, SIO_PLAY, 0);
+-  if (internal->hdl == NULL)
++  hdl = sio_open(internal->dev, SIO_PLAY, 0);
++  if (hdl == NULL)
+     return 0;
++  internal->hdl = hdl;
+ 
+   sio_initpar(&par);
+   par.sig = 1;
+-  par.le = SIO_LE_NATIVE;
++  if (format->bits > 8)
++    par.le = device->client_byte_format == AO_FMT_LITTLE ? 1 : 0;
+   par.bits = format->bits;
+   par.rate = format->rate;
+   par.pchan = device->output_channels;
+-  if (!sio_setpar(internal->hdl, &par))
++  if (!sio_setpar(hdl, &par))
+     return 0;
+-  device->driver_byte_format = AO_FMT_NATIVE;
+-  if (!sio_start(internal->hdl))
++  if (!sio_getpar(hdl, &par))
++    return 0;
++  if (par.bits != format->bits)
++    return 0;
++  device->driver_byte_format = par.le ? AO_FMT_LITTLE : AO_FMT_BIG;
++  if (!sio_start(hdl))
+     return 0;
+ 
+   if(!device->inter_matrix){
+@@ -148,9 +155,10 @@ int ao_plugin_close(ao_device *device)
+   ao_sndio_internal *internal = (ao_sndio_internal *) device->internal;
+   struct sio_hdl *hdl = internal->hdl;
+ 
+-  if(hdl)
+-    if (!sio_stop(hdl))
+-      return 0;
++  if(hdl){
++    sio_close(hdl);
++    internal->hdl = NULL;
++  }
+   return 1;
+ }
+ 
diff --git a/audio/libao/pkg-plist b/audio/libao/pkg-plist
index 074df18fe34..b64961932e6 100644
--- a/audio/libao/pkg-plist
+++ b/audio/libao/pkg-plist
@@ -9,6 +9,7 @@ lib/ao/plugins-4/liboss.so
 %%ESOUND%%lib/ao/plugins-4/libesd.so
 %%NAS%%lib/ao/plugins-4/libnas.so
 %%PULSEAUDIO%%lib/ao/plugins-4/libpulse.so
+%%SNDIO%%lib/ao/plugins-4/libsndio.so
 libdata/pkgconfig/ao.pc
 man/man5/libao.conf.5.gz
 share/aclocal/ao.m4