1 files changed, 42 insertions, 0 deletions
diff --git a/libs/android-transcoder/src/main/java/net/ypresto/androidtranscoder/compat/MediaCodecBufferCompatWrapper.java b/libs/android-transcoder/src/main/java/net/ypresto/androidtranscoder/compat/MediaCodecBufferCompatWrapper.java
new file mode 100644
index 000000000..e36db4b72
--- /dev/null
+++ b/libs/android-transcoder/src/main/java/net/ypresto/androidtranscoder/compat/MediaCodecBufferCompatWrapper.java
@@ -0,0 +1,42 @@
+package net.ypresto.androidtranscoder.compat;
+
+import android.media.MediaCodec;
+import android.os.Build;
+
+import java.nio.ByteBuffer;
+
+/**
+ * A Wrapper to MediaCodec that facilitates the use of API-dependent get{Input/Output}Buffer methods,
+ * in order to prevent: http://stackoverflow.com/q/30646885
+ */
+public class MediaCodecBufferCompatWrapper {
+
+    final MediaCodec mMediaCodec;
+    final ByteBuffer[] mInputBuffers;
+    final ByteBuffer[] mOutputBuffers;
+
+    public MediaCodecBufferCompatWrapper(MediaCodec mediaCodec) {
+        mMediaCodec = mediaCodec;
+
+        if (Build.VERSION.SDK_INT < 21) {
+            mInputBuffers = mediaCodec.getInputBuffers();
+            mOutputBuffers = mediaCodec.getOutputBuffers();
+        } else {
+            mInputBuffers = mOutputBuffers = null;
+        }
+    }
+
+    public ByteBuffer getInputBuffer(final int index) {
+        if (Build.VERSION.SDK_INT >= 21) {
+            return mMediaCodec.getInputBuffer(index);
+        }
+        return mInputBuffers[index];
+    }
+
+    public ByteBuffer getOutputBuffer(final int index) {
+        if (Build.VERSION.SDK_INT >= 21) {
+            return mMediaCodec.getOutputBuffer(index);
+        }
+        return mOutputBuffers[index];
+    }
+}