from void-packages, 0101,0102-sndio.patch
--- a/src/core/configure.json	2020-03-24 10:16:30.000000000 +0100
+++ -	2020-04-06 14:28:00.591236926 +0200
@@ -21,6 +21,7 @@
             "webengine-printing-and-pdf": "boolean",
             "webengine-proprietary-codecs": "boolean",
             "webengine-pulseaudio": "boolean",
+            "webengine-sndio": "boolean",
             "webengine-spellchecker": "boolean",
             "webengine-native-spellchecker": "boolean",
             "webengine-extensions": "boolean",
@@ -31,6 +32,7 @@
             "webengine-kerberos": "boolean",
             "alsa": { "type": "boolean", "name": "webengine-alsa" },
             "pulseaudio": { "type": "boolean", "name": "webengine-pulseaudio" },
+            "sndio": { "type": "boolean", "name": "webengine-sndio" },
             "ffmpeg": { "type": "enum", "name": "webengine-system-ffmpeg", "values": { "system": "yes", "qt": "no" } },
             "opus": { "type": "enum", "name": "webengine-system-opus", "values": { "system": "yes", "qt": "no" } },
             "webp": { "type": "enum", "name": "webengine-system-libwebp", "values": { "system": "yes", "qt": "no" } },
@@ -68,7 +70,13 @@
             "sources": [
                 { "type": "pkgConfig", "args": "libpulse >= 0.9.10 libpulse-mainloop-glib" }
             ]
-        }
+        },
+        "sndio": {
+            "label": "sndio",
+            "sources": [
+                { "type": "pkgConfig", "args": "libsndio >= 1.5.0 libsndio" }
+            ]
+	}
     },
     "tests" : {
         "webengine-host-compiler": {
@@ -136,6 +144,10 @@
             "condition": "libs.webengine-pulseaudio",
             "output": [ "privateFeature" ]
         },
+	"webengine-sndio": {
+            "label": "Use sndio",
+            "output": [ "privateFeature" ]
+        },
         "webengine-pepper-plugins": {
             "label": "Pepper Plugins",
             "purpose": "Enables use of Pepper Flash plugins.",
@@ -308,6 +320,11 @@
                     "condition": "config.unix"
                 },
                 {
+                   "type": "feature",
+                   "args": "webengine-sndio",
+                   "condition": "config.unix"
+                },
+                {
                     "type": "feature",
                     "args": "webengine-sanitizer",
                     "condition": "config.sanitizer"
--- a/src/3rdparty/chromium/media/audio/linux/audio_manager_linux.cc
+++ b/src/3rdparty/chromium/media/audio/linux/audio_manager_linux.cc
@@ -20,6 +20,10 @@
 #include "media/audio/pulse/audio_manager_pulse.h"
 #include "media/audio/pulse/pulse_util.h"
 #endif
+#if defined(USE_SNDIO)
+#include <sndio.h>
+#include "media/audio/openbsd/audio_manager_openbsd.h"
+#endif
 
 namespace media {
 
@@ -27,7 +31,8 @@ enum LinuxAudioIO {
   kPulse,
   kAlsa,
   kCras,
-  kAudioIOMax = kCras  // Must always be equal to largest logged entry.
+  kSndio,
+  kAudioIOMax = kSndio  // Must always be equal to largest logged entry.
 };
 
 std::unique_ptr<media::AudioManager> CreateAudioManager(
@@ -41,6 +46,17 @@ std::unique_ptr<media::AudioManager> CreateAudioManager(
   }
 #endif
 
+#if defined(USE_SNDIO)
+  struct sio_hdl * hdl = NULL;
+  if ((hdl=sio_open(SIO_DEVANY, SIO_PLAY, 1)) != NULL) {
+    sio_close(hdl);
+    UMA_HISTOGRAM_ENUMERATION("Media.LinuxAudioIO", kSndio, kAudioIOMax +1);
+    return std::make_unique<AudioManagerOpenBSD>(std::move(audio_thread),
+                                               audio_log_factory);
+  }
+  DVLOG(1) << "Sndio is not available on the OS";
+#endif
+
 #if defined(USE_PULSEAUDIO)
   pa_threaded_mainloop* pa_mainloop = nullptr;
   pa_context* pa_context = nullptr;
--- a/src/3rdparty/chromium/media/BUILD.gn	2020-03-24 10:16:30.000000000 +0100
+++ -	2020-04-06 14:32:27.960817513 +0200
@@ -65,6 +65,9 @@
   if (use_cras) {
     defines += [ "USE_CRAS" ]
   }
+  if (use_sndio) {
+    defines += [ "USE_SNDIO" ]
+  }
 }
 
 # Internal grouping of the configs necessary to support sub-folders having their
--- a/src/3rdparty/chromium/media/media_options.gni	2020-03-24 10:16:30.000000000 +0100
+++ -	2020-04-06 14:29:22.958630783 +0200
@@ -114,6 +114,9 @@
   # Enables runtime selection of ALSA library for audio.
   use_alsa = false
 
+  # Enables runtime selection of sndio library for audio.
+  use_sndio = false
+
   # Alsa should be used on non-Android, non-Mac POSIX systems.
   # Alsa should be used on desktop Chromecast and audio-only Chromecast builds.
   if (is_posix && !is_android && !is_mac &&
--- a/src/3rdparty/chromium/media/audio/BUILD.gn	2021-02-23 16:36:59.000000000 +0100
+++ -	2021-03-07 22:00:34.889682069 +0100
@@ -238,6 +238,17 @@
     sources += [ "linux/audio_manager_linux.cc" ]
   }
 
+  if (use_sndio) {
+    libs += [ "sndio" ]
+    sources += [
+      "openbsd/audio_manager_openbsd.cc",
+      "sndio/sndio_input.cc",
+      "sndio/sndio_input.h",
+      "sndio/sndio_output.cc",
+      "sndio/sndio_output.h"
+    ]
+  }
+
   if (use_alsa) {
     libs += [ "asound" ]
     sources += [