media: retain codec name for MediaCodec.getCodecInfo

Bug: 123962331
Change-Id: I4d349d673fcb62888681c96e7df325fa9e4b3b37

2 files changed, 6 insertions, 2 deletions

diff --git a/media/jni/android_media_MediaCodec.cpp b/media/jni/android_media_MediaCodec.cpp
index 406f9dd94bb4..f07f1e8fb62b 100644
--- a/media/jni/android_media_MediaCodec.cpp
+++ b/media/jni/android_media_MediaCodec.cpp
@@ -153,8 +153,12 @@ JMediaCodec::JMediaCodec(
 
     if (nameIsType) {
         mCodec = MediaCodec::CreateByType(mLooper, name, encoder, &mInitStatus);
+        if (mCodec == nullptr || mCodec->getName(&mNameAtCreation) != OK) {
+            mNameAtCreation = "(null)";
+        }
     } else {
         mCodec = MediaCodec::CreateByComponentName(mLooper, name, &mInitStatus);
+        mNameAtCreation = name;
     }
     CHECK((mCodec != NULL) != (mInitStatus != OK));
 }
@@ -699,9 +703,8 @@ status_t JMediaCodec::getCodecInfo(JNIEnv *env, jobject *codecInfoObject) const
         return err;
     }
 
-    // TODO: get alias
     ScopedLocalRef<jstring> nameObject(env,
-            env->NewStringUTF(codecInfo->getCodecName()));
+            env->NewStringUTF(mNameAtCreation.c_str()));
 
     ScopedLocalRef<jstring> canonicalNameObject(env,
             env->NewStringUTF(codecInfo->getCodecName()));
diff --git a/media/jni/android_media_MediaCodec.h b/media/jni/android_media_MediaCodec.h
index 0a53f1a0e268..de08550fa3db 100644
--- a/media/jni/android_media_MediaCodec.h
+++ b/media/jni/android_media_MediaCodec.h
@@ -155,6 +155,7 @@ private:
 
     sp<ALooper> mLooper;
     sp<MediaCodec> mCodec;
+    AString mNameAtCreation;
 
     sp<AMessage> mCallbackNotification;
     sp<AMessage> mOnFrameRenderedNotification;