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Commit 97825a4f authored by Robert Shih's avatar Robert Shih
Browse files

MediaCodec.CryptoInfo: expose subsample encryption pattern 

Bug: 31215085
Test: com.google.android.media.gts.WidevineMp4TempTests
Change-Id: I6965adc646684053633530e39258b171724b34bc
parent c3a7ab32

media/java/android/media/MediaCodec.java

+4 −0
Original line number Diff line number Diff line
@@ -2530,6 +2530,10 @@ final public class MediaCodec { 
            pattern = newPattern;

        }



        private void setPattern(int blocksToEncrypt, int blocksToSkip) {

            pattern = new Pattern(blocksToEncrypt, blocksToSkip);

        }



        @Override

        public String toString() {

            StringBuilder builder = new StringBuilder();

media/jni/android_media_MediaExtractor.cpp

+14 −0
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ struct fields_t { 
    jfieldID context;



    jmethodID cryptoInfoSetID;

    jmethodID cryptoInfoSetPatternID;

};



static fields_t gFields;
@@ -654,6 +655,16 @@ static jboolean android_media_MediaExtractor_getSampleCryptoInfo( 
            ivObj,

            mode);



    int32_t encryptedByteBlock = 0, skipByteBlock = 0;

    meta->findInt32(kKeyEncryptedByteBlock, &encryptedByteBlock);

    meta->findInt32(kKeySkipByteBlock, &skipByteBlock);



    env->CallVoidMethod(

            cryptoInfoObj,

            gFields.cryptoInfoSetPatternID,

            encryptedByteBlock,

            skipByteBlock);



    return JNI_TRUE;

}
@@ -669,6 +680,9 @@ static void android_media_MediaExtractor_native_init(JNIEnv *env) { 


    gFields.cryptoInfoSetID =

        env->GetMethodID(clazz, "set", "(I[I[I[B[BI)V");



    gFields.cryptoInfoSetPatternID =

        env->GetMethodID(clazz, "setPattern", "(II)V");

}



static void android_media_MediaExtractor_native_setup(