Bug 911450: sndio webrtc audio backend, build integration bits r=jesup

media/webrtc/trunk/webrtc/build/common.gypi

@@ -173,7 +173,12 @@
       }, {
         'include_alsa_audio%': 0,
       }],
-      ['OS=="solaris" or os_bsd==1', {
+      ['OS=="openbsd"', {
+        'include_sndio_audio%': 1,
+      }, {
+        'include_sndio_audio%': 0,
+      }],
+      ['OS=="solaris" or (OS!="openbsd" and os_bsd==1)', {
         'include_pulse_audio%': 1,
       }, {
         'include_pulse_audio%': 0,
@@ -325,6 +330,11 @@
           'WEBRTC_CLOCK_TYPE_REALTIME',
         ],
       }],
+      ['OS=="openbsd"', {
+        'defines' : [
+          'WEBRTC_AUDIO_SNDIO',
+        ],
+      }],
       # Mozilla: if we support Mozilla on MIPS, we'll need to mod the cflags entries here
       ['target_arch=="mipsel" and mips_arch_variant!="r6" and android_webview_build==0', {
         'defines': [

media/webrtc/trunk/webrtc/modules/audio_device/audio_device.gypi

@@ -59,6 +59,11 @@
             'WEBRTC_HARDWARE_AEC_NS',
           ],
         }],
+        ['include_sndio_audio==1', {
+          'include_dirs': [
+            'sndio',
+          ],
+        }], # include_sndio_audio==1
         ['OS=="linux" or include_alsa_audio==1 or include_pulse_audio==1', {
           'include_dirs': [
             'linux',
@@ -198,6 +203,19 @@
                 ],
               },
             }],
+            ['include_sndio_audio==1', {
+              'link_settings': {
+                'libraries': [
+                  '-lsndio',
+                ],
+              },
+              'sources': [
+                'sndio/audio_device_sndio.cc',
+                'sndio/audio_device_sndio.h',
+                'sndio/audio_device_utility_sndio.cc',
+                'sndio/audio_device_utility_sndio.h',
+              ],
+            }],
             ['include_alsa_audio==1', {
               'cflags_mozilla': [
                 '$(MOZ_ALSA_CFLAGS)',

media/webrtc/trunk/webrtc/modules/audio_device/audio_device_impl.cc

@@ -37,6 +37,9 @@
 #endif
     #include "webrtc/modules/audio_device/android/opensles_input.h"
     #include "webrtc/modules/audio_device/android/opensles_output.h"
+#elif defined(WEBRTC_AUDIO_SNDIO)
+    #include "audio_device_utility_sndio.h"
+    #include "audio_device_sndio.h"
 #elif defined(WEBRTC_LINUX) || defined(WEBRTC_BSD)
     #include "audio_device_utility_linux.h"
  #if defined(LINUX_ALSA)
@@ -172,6 +175,9 @@ int32_t AudioDeviceModuleImpl::CheckPlatform()
 #elif defined(WEBRTC_ANDROID)
     platform = kPlatformAndroid;
     WEBRTC_TRACE(kTraceInfo, kTraceAudioDevice, _id, "current platform is ANDROID");
+#elif defined(WEBRTC_AUDIO_SNDIO)
+    platform = kPlatformSndio;
+    WEBRTC_TRACE(kTraceInfo, kTraceAudioDevice, _id, "current platform is POSIX using SNDIO");
 #elif defined(WEBRTC_LINUX) || defined(WEBRTC_BSD)
     platform = kPlatformLinux;
     WEBRTC_TRACE(kTraceInfo, kTraceAudioDevice, _id, "current platform is LINUX");
@@ -320,6 +326,15 @@ int32_t AudioDeviceModuleImpl::CreatePlatformSpecificObjects()
     }
     // END #if defined(WEBRTC_ANDROID_OPENSLES)
 
+#elif defined(WEBRTC_AUDIO_SNDIO)
+    ptrAudioDevice = new AudioDeviceSndio(Id());
+    if (ptrAudioDevice != NULL)
+    {
+        WEBRTC_TRACE(kTraceInfo, kTraceAudioDevice, _id, "attempting to use the Sndio audio API...");
+        // Create the sndio implementation of the Device Utility.
+        ptrAudioDeviceUtility = new AudioDeviceUtilitySndio(Id());
+    }
+
     // Create the *Linux* implementation of the Audio Device
     //
 #elif defined(WEBRTC_LINUX) || defined(WEBRTC_BSD)

media/webrtc/trunk/webrtc/modules/audio_device/audio_device_impl.h

@@ -32,7 +32,8 @@ public:
         kPlatformLinux = 3,
         kPlatformMac = 4,
         kPlatformAndroid = 5,
-        kPlatformIOS = 6
+        kPlatformIOS = 6,
+        kPlatformSndio = 7
     };
 
     int32_t CheckPlatform();