MediaPlayer2: use AudioManager.isOffloadedPlaybackSupported
Test: MediaPlayer2Test
Bug: 112549970
Change-Id: I85c689b029a82122ff148c381a021657db2893d4
diff --git a/media/libmediaplayer2/nuplayer2/JMediaPlayer2Utils.cpp b/media/libmediaplayer2/nuplayer2/JMediaPlayer2Utils.cpp
new file mode 100644
index 0000000..bbd22bc
--- /dev/null
+++ b/media/libmediaplayer2/nuplayer2/JMediaPlayer2Utils.cpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2018, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "JMediaPlayer2Utils"
+
+#include "JMediaPlayer2Utils.h"
+#include <mediaplayer2/JavaVMHelper.h>
+
+#include <media/stagefright/MediaDefs.h>
+#include <media/stagefright/Utils.h>
+#include <nativehelper/JNIHelp.h>
+#include <utils/Log.h>
+
+#include "log/log.h"
+
+namespace android {
+
+static const int64_t kOffloadMinDurationSec = 60;
+
+// static
+bool JMediaPlayer2Utils::isOffloadedAudioPlaybackSupported(
+ const sp<MetaData>& meta, bool hasVideo, bool isStreaming, audio_stream_type_t streamType)
+{
+ if (hasVideo || streamType != AUDIO_STREAM_MUSIC) {
+ return false;
+ }
+
+ audio_offload_info_t info = AUDIO_INFO_INITIALIZER;
+ if (OK != getAudioOffloadInfo(meta, hasVideo, isStreaming, streamType, &info)) {
+ return false;
+ }
+
+ if (info.duration_us < kOffloadMinDurationSec * 1000000) {
+ return false;
+ }
+
+ int32_t audioFormat = audioFormatFromNative(info.format);
+ int32_t channelMask = outChannelMaskFromNative(info.channel_mask);
+ if (audioFormat == ENCODING_INVALID || channelMask == CHANNEL_INVALID) {
+ return false;
+ }
+
+ JNIEnv* env = JavaVMHelper::getJNIEnv();
+ jclass jMP2UtilsCls = env->FindClass("android/media/MediaPlayer2Utils");
+ jmethodID jSetAudioOutputDeviceById = env->GetStaticMethodID(
+ jMP2UtilsCls, "isOffloadedAudioPlaybackSupported", "(III)Z");
+ jboolean result = env->CallStaticBooleanMethod(
+ jMP2UtilsCls, jSetAudioOutputDeviceById, audioFormat, info.sample_rate, channelMask);
+ return result;
+}
+
+} // namespace android