Merge "AudioSystem: update framework channel capabilities" am: 249034de9d (ea0d36db) · Commits · e / os / android_frameworks_base

core/jni/android_media_AudioSystem.cpp

+6 −4

Original line number	Diff line number	Diff line
		@@ -2273,7 +2273,7 @@ android_media_AudioSystem_setSurroundFormatEnabled(JNIEnv *env, jobject thiz,
		return (jint)nativeToJavaStatus(status);
		}

		static jint android_media_AudioSystem_get_FCC_8(JNIEnv *env, jobject thiz) {
		static jint android_media_AudioSystem_getMaxChannelCount(JNIEnv *env, jobject thiz) {
		return FCC_8;
		}

		@@ -2672,14 +2672,16 @@ static const JNINativeMethod gEventHandlerMethods[] = {
		(void *)android_media_AudioSystem_eventHandlerFinalize},
		};

		static const JNINativeMethod gGetFCC8Methods[] = {
		{"native_get_FCC_8", "()I", (void *)android_media_AudioSystem_get_FCC_8},
		static const JNINativeMethod gFrameworkCapabilities[] = {
		{"native_getMaxChannelCount", "()I", (void *)android_media_AudioSystem_getMaxChannelCount},
		};

		int register_android_media_AudioSystem(JNIEnv *env)
		{
		// This needs to be done before hooking up methods AudioTrackRoutingProxy (below)
		RegisterMethodsOrDie(env, kClassPathName, gGetFCC8Methods, NELEM(gGetFCC8Methods));
		// as the calls are performed in the static initializer of AudioSystem.
		RegisterMethodsOrDie(env, kClassPathName, gFrameworkCapabilities,
		NELEM(gFrameworkCapabilities));

		jclass arrayListClass = FindClassOrDie(env, "java/util/ArrayList");
		gArrayListClass = MakeGlobalRefOrDie(env, arrayListClass);

+11 −3

Original line number	Diff line number	Diff line
		@@ -101,11 +101,19 @@ public class AudioSystem
		*/
		public static final int NUM_STREAMS = 5;

		/*
		* Framework static final constants that are primitives or Strings
		* accessed by CTS tests or internal applications must be set from methods
		* (or in a static block) to prevent Java compile-time replacement.
		* We set them from methods so they are read from the device framework.
		* Do not un-hide or change to a numeric literal.
		*/

		/** Maximum value for AudioTrack channel count
		* @hide public for MediaCode only, do not un-hide or change to a numeric literal
		* @hide
		*/
		public static final int OUT_CHANNEL_COUNT_MAX = native_get_FCC_8();
		private static native int native_get_FCC_8();
		public static final int OUT_CHANNEL_COUNT_MAX = native_getMaxChannelCount();
		private static native int native_getMaxChannelCount();

		// Expose only the getter method publicly so we can change it in the future
		private static final int NUM_STREAM_TYPES = 12;