1 files changed, 88 insertions, 0 deletions
diff --git a/src/detection/sound/sound_haiku.cpp b/src/detection/sound/sound_haiku.cpp
new file mode 100644
index 0000000..d69602e
--- /dev/null
+++ b/src/detection/sound/sound_haiku.cpp
@@ -0,0 +1,88 @@
+extern "C" {
+#include "sound.h"
+#include "common/strutil.h"
+}
+#include <MediaAddOn.h>
+#include <MediaNode.h>
+#include <MediaRoster.h>
+#include <ParameterWeb.h>
+
+const char* ffDetectSound(FF_A_UNUSED FFSoundOptions* options, FFlist* devices /* List of FFSoundDevice */) {
+    BMediaRoster* roster = BMediaRoster::Roster();
+    media_node mediaNode;
+    live_node_info liveInfo;
+    dormant_node_info dormantInfo;
+
+    if (roster->GetAudioOutput(&mediaNode) != B_OK) {
+        return NULL;
+    }
+
+    FFSoundDevice* device = FF_LIST_ADD(FFSoundDevice, *devices);
+    ffStrbufInit(&device->identifier);
+    if (roster->GetDormantNodeFor(mediaNode, &dormantInfo) == B_OK) {
+        ffStrbufAppendS(&device->identifier, dormantInfo.name);
+    }
+    ffStrbufInit(&device->name);
+    if (roster->GetLiveNodeInfo(mediaNode, &liveInfo) == B_OK) {
+        ffStrbufAppendS(&device->name, liveInfo.name);
+        ffStrbufTrimRightSpace(&device->name);
+    }
+    ffStrbufInitStatic(&device->platformApi, "MediaKit");
+    // We'll check the Mixer actually
+    device->volume = 0;
+    device->type = (FFSoundType) (FF_SOUND_TYPE_ACTIVE | FF_SOUND_TYPE_MAIN);
+
+    roster->ReleaseNode(mediaNode);
+
+    media_node mixer;
+    if (roster->GetAudioMixer(&mixer) != B_OK) {
+        return NULL;
+    }
+
+    BParameterWeb* web;
+    status_t status = roster->GetParameterWebFor(mixer, &web);
+    roster->ReleaseNode(mixer); // the web is all we need :-)
+    if (status != B_OK) {
+        return NULL;
+    }
+
+    BContinuousParameter* gain = NULL;
+    BParameter* mute = NULL;
+    BParameter* parameter;
+    for (int32 index = 0; (parameter = web->ParameterAt(index)) != NULL; index++) {
+        // assume the mute preceding master gain control
+        if (ffStrEquals(parameter->Kind(), B_MUTE)) {
+            mute = parameter;
+        }
+
+        if (ffStrEquals(parameter->Kind(), B_MASTER_GAIN)) {
+            // Can not use dynamic_cast due to fno-rtti
+            // gain = dynamic_cast<BContinuousParameter *>(parameter);
+            gain = (BContinuousParameter*) (parameter);
+            break;
+        }
+    }
+
+    if (gain == NULL) {
+        return NULL;
+    }
+
+    bigtime_t when;
+    size_t size;
+
+    if (mute) {
+        int32 isMute = false;
+        size = sizeof(isMute);
+        if (mute->GetValue(&isMute, &size, &when) == B_OK && isMute) {
+            return NULL;
+        }
+    }
+
+    float volume = 0.0;
+    size = sizeof(volume);
+    if (gain->GetValue(&volume, &size, &when) == B_OK) {
+        device->volume = (uint8_t) (100 * (volume - gain->MinValue()) / (gain->MaxValue() - gain->MinValue()));
+    }
+
+    return NULL;
+}