LibVLC: add a method to activate spdif and surround

libvlc/jni/libvlcjni.c

@@ -461,7 +461,10 @@ void Java_org_videolan_libvlc_LibVLC_nativeInit(JNIEnv *env, jobject thiz)
         (*env)->ReleaseStringUTFChars(env, cachePath, cache_path);
     }
 
-#define MAX_ARGV 20
+    methodId = (*env)->GetMethodID(env, cls, "isHdmiAudioEnabled", "()Z");
+    bool hdmi_audio = (*env)->CallBooleanMethod(env, thiz, methodId);
+
+#define MAX_ARGV 22
     const char *argv[MAX_ARGV];
     int argc = 0;
 
@@ -500,7 +503,11 @@ void Java_org_videolan_libvlc_LibVLC_nativeInit(JNIEnv *env, jobject thiz)
         argv[argc++] = "--no-omxil-dr";
 #endif
     }
+    if (hdmi_audio) {
         argv[argc++] = "--spdif";
+        argv[argc++] = "--audiotrack-audio-channels";
+        argv[argc++] = "8"; // 7.1 maximum
+    }
     argv[argc++] = b_verbose ? "-vvv" : "-vv";
 
     /* Reconnect on lost HTTP streams, e.g. network change */

libvlc/src/org/videolan/libvlc/LibVLC.java

@@ -86,6 +86,7 @@ public class LibVLC {
     private boolean frameSkip = false;
     private int networkCaching = 0;
     private boolean httpReconnect = false;
+    private boolean hdmiAudioEnabled = false;
 
     /** Path of application-specific cache */
     private String mCachePath = "";
@@ -338,6 +339,14 @@ public class LibVLC {
             this.vout = VOUT_ANDROID_WINDOW;
     }
 
+    public void setHdmiAudioEnabled(boolean enable) {
+        this.hdmiAudioEnabled = enable;
+    }
+
+    public boolean isHdmiAudioEnabled() {
+        return this.hdmiAudioEnabled;
+    }
+
     public boolean useCompatSurface() {
         return this.vout != VOUT_ANDROID_WINDOW;
     }