MediaDrm: API to retrieve LogMessages
Bug: 162255728
Test: cts/gts MediaDrmTest
Change-Id: Icba4945a75eb00b737d65572b40cf2035504ca08
diff --git a/core/api/current.txt b/core/api/current.txt
index e264f1d..09be18b 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -21591,6 +21591,7 @@
method @android.media.MediaDrm.HdcpLevel public int getConnectedHdcpLevel();
method public android.media.MediaDrm.CryptoSession getCryptoSession(@NonNull byte[], @NonNull String, @NonNull String);
method @NonNull public android.media.MediaDrm.KeyRequest getKeyRequest(@NonNull byte[], @Nullable byte[], @Nullable String, int, @Nullable java.util.HashMap<java.lang.String,java.lang.String>) throws android.media.NotProvisionedException;
+ method @NonNull public java.util.List<android.media.MediaDrm.LogMessage> getLogMessages();
method @android.media.MediaDrm.HdcpLevel public int getMaxHdcpLevel();
method public static int getMaxSecurityLevel();
method public int getMaxSessionCount();
@@ -21699,6 +21700,12 @@
field public static final int STATUS_USABLE_IN_FUTURE = 5; // 0x5
}
+ public static class MediaDrm.LogMessage {
+ field @NonNull public final String message;
+ field public final int priority;
+ field public final long timestampMillis;
+ }
+
public static final class MediaDrm.MediaDrmStateException extends java.lang.IllegalStateException {
method @NonNull public String getDiagnosticInfo();
}
diff --git a/media/java/android/media/MediaDrm.java b/media/java/android/media/MediaDrm.java
index 49f9d66..adb8a54c 100644
--- a/media/java/android/media/MediaDrm.java
+++ b/media/java/android/media/MediaDrm.java
@@ -38,6 +38,7 @@
import java.lang.annotation.RetentionPolicy;
import java.lang.ref.WeakReference;
import java.nio.ByteBuffer;
+import java.time.Instant;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashSet;
@@ -2493,4 +2494,80 @@
return mPlaybackId;
}
}
+
+ /**
+ * Returns recent {@link LogMessage LogMessages} associated with this {@link MediaDrm}
+ * instance.
+ */
+ @NonNull
+ public native List<LogMessage> getLogMessages();
+
+ /**
+ * A {@link LogMessage} records an event in the {@link MediaDrm} framework
+ * or vendor plugin.
+ */
+ public static class LogMessage {
+
+ /**
+ * Timing of the recorded event measured in milliseconds since the Epoch,
+ * 1970-01-01 00:00:00 +0000 (UTC).
+ */
+ public final long timestampMillis;
+
+ /**
+ * Priority of the recorded event.
+ * <p>
+ * Possible priority constants are defined in {@link Log}, e.g.:
+ * <ul>
+ * <li>{@link Log#ASSERT}</li>
+ * <li>{@link Log#ERROR}</li>
+ * <li>{@link Log#WARN}</li>
+ * <li>{@link Log#INFO}</li>
+ * <li>{@link Log#DEBUG}</li>
+ * <li>{@link Log#VERBOSE}</li>
+ * </ul>
+ */
+ @Log.Level
+ public final int priority;
+
+ /**
+ * Description of the recorded event.
+ */
+ @NonNull
+ public final String message;
+
+ private LogMessage(long timestampMillis, int priority, String message) {
+ this.timestampMillis = timestampMillis;
+ if (priority < Log.VERBOSE || priority > Log.ASSERT) {
+ throw new IllegalArgumentException("invalid log priority " + priority);
+ }
+ this.priority = priority;
+ this.message = message;
+ }
+
+ private char logPriorityChar() {
+ switch (priority) {
+ case Log.VERBOSE:
+ return 'V';
+ case Log.DEBUG:
+ return 'D';
+ case Log.INFO:
+ return 'I';
+ case Log.WARN:
+ return 'W';
+ case Log.ERROR:
+ return 'E';
+ case Log.ASSERT:
+ return 'F';
+ default:
+ }
+ return 'U';
+ }
+
+ @Override
+ public String toString() {
+ return String.format("LogMessage{%s %c %s}",
+ Instant.ofEpochMilli(timestampMillis), logPriorityChar(), message);
+ }
+ }
}
diff --git a/media/jni/Android.bp b/media/jni/Android.bp
index 4972529..6160b81 100644
--- a/media/jni/Android.bp
+++ b/media/jni/Android.bp
@@ -64,6 +64,7 @@
"android.hardware.cas@1.0",
"android.hardware.cas.native@1.0",
"android.hardware.drm@1.3",
+ "android.hardware.drm@1.4",
"android.hidl.memory@1.0",
"android.hidl.token@1.0-utils",
],
diff --git a/media/jni/android_media_MediaDrm.cpp b/media/jni/android_media_MediaDrm.cpp
index 0e8719e..22c3572 100644
--- a/media/jni/android_media_MediaDrm.cpp
+++ b/media/jni/android_media_MediaDrm.cpp
@@ -37,6 +37,7 @@
#include <mediadrm/DrmUtils.h>
#include <mediadrm/IDrmMetricsConsumer.h>
#include <mediadrm/IDrm.h>
+#include <utils/Vector.h>
using ::android::os::PersistableBundle;
namespace drm = ::android::hardware::drm;
@@ -187,6 +188,11 @@
jclass classId;
};
+struct LogMessageFields {
+ jmethodID init;
+ jclass classId;
+};
+
struct fields_t {
jfieldID context;
jmethodID post_event;
@@ -208,6 +214,7 @@
jmethodID createFromParcelId;
jclass parcelCreatorClassId;
KeyStatusFields keyStatus;
+ LogMessageFields logMessage;
};
static fields_t gFields;
@@ -224,6 +231,19 @@
return result;
}
+jobject hidlLogMessagesToJavaList(JNIEnv *env, const Vector<drm::V1_4::LogMessage> &logs) {
+ jclass clazz = gFields.arraylistClassId;
+ jobject arrayList = env->NewObject(clazz, gFields.arraylist.init);
+ clazz = gFields.logMessage.classId;
+ for (auto log: logs) {
+ jobject jLog = env->NewObject(clazz, gFields.logMessage.init,
+ static_cast<jlong>(log.timeMs),
+ static_cast<jint>(log.priority),
+ env->NewStringUTF(log.message.c_str()));
+ env->CallBooleanMethod(arrayList, gFields.arraylist.add, jLog);
+ }
+ return arrayList;
+}
} // namespace anonymous
// ----------------------------------------------------------------------------
@@ -907,6 +927,10 @@
FIND_CLASS(clazz, "android/media/MediaDrm$KeyStatus");
gFields.keyStatus.classId = static_cast<jclass>(env->NewGlobalRef(clazz));
GET_METHOD_ID(gFields.keyStatus.init, clazz, "<init>", "([BI)V");
+
+ FIND_CLASS(clazz, "android/media/MediaDrm$LogMessage");
+ gFields.logMessage.classId = static_cast<jclass>(env->NewGlobalRef(clazz));
+ GET_METHOD_ID(gFields.logMessage.init, clazz, "<init>", "(JILjava/lang/String;)V");
}
static void android_media_MediaDrm_native_setup(
@@ -1996,6 +2020,22 @@
throwExceptionAsNecessary(env, err, "Failed to set playbackId");
}
+static jobject android_media_MediaDrm_getLogMessages(
+ JNIEnv *env, jobject thiz) {
+ sp<IDrm> drm = GetDrm(env, thiz);
+ if (!CheckDrm(env, drm)) {
+ return NULL;
+ }
+
+ Vector<drm::V1_4::LogMessage> logs;
+ status_t err = drm->getLogMessages(logs);
+ ALOGI("drm->getLogMessages %zu logs", logs.size());
+ if (throwExceptionAsNecessary(env, err, "Failed to get log messages")) {
+ return NULL;
+ }
+ return hidlLogMessagesToJavaList(env, logs);
+}
+
static const JNINativeMethod gMethods[] = {
{ "native_release", "()V", (void *)android_media_MediaDrm_native_release },
@@ -2123,6 +2163,9 @@
{ "setPlaybackId", "([BLjava/lang/String;)V",
(void *)android_media_MediaDrm_setPlaybackId },
+
+ { "getLogMessages", "()Ljava/util/List;",
+ (void *)android_media_MediaDrm_getLogMessages },
};
int register_android_media_Drm(JNIEnv *env) {