Add presentation API interface
This adds AudioPresentationInfo interface to enable applications
to query and receive audio presentation
information from multiplexed data sources (e.g. MP4 or MPEG2-TS).
Bug: 63901775
Test: make
Change-Id: I3156cc8594ae153fe8cd2dedc191bfab207f5203
Signed-off-by: Previr Rangroo <prang@dolby.com>
diff --git a/include/media/AudioPresentationInfo.h b/include/media/AudioPresentationInfo.h
new file mode 100644
index 0000000..e91a992
--- /dev/null
+++ b/include/media/AudioPresentationInfo.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef AUDIO_PRESENTATION_INFO_H_
+#define AUDIO_PRESENTATION_INFO_H_
+
+#include <sstream>
+#include <stdint.h>
+
+#include <utils/KeyedVector.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+namespace android {
+
+enum mastering_indication {
+ MASTERING_NOT_INDICATED,
+ MASTERED_FOR_STEREO,
+ MASTERED_FOR_SURROUND,
+ MASTERED_FOR_3D,
+ MASTERED_FOR_HEADPHONE,
+};
+
+struct AudioPresentation : public RefBase {
+ int32_t mPresentationId;
+ int32_t mProgramId;
+ KeyedVector<String8, String8> mLabels;
+ String8 mLanguage;
+ int32_t mMasteringIndication;
+ bool mAudioDescriptionAvailable;
+ bool mSpokenSubtitlesAvailable;
+ bool mDialogueEnhancementAvailable;
+
+ AudioPresentation() {
+ mPresentationId = -1;
+ mProgramId = -1;
+ mLanguage = "";
+ mMasteringIndication = MASTERING_NOT_INDICATED;
+ mAudioDescriptionAvailable = false;
+ mSpokenSubtitlesAvailable = false;
+ mDialogueEnhancementAvailable = false;
+ }
+};
+
+typedef Vector<sp<AudioPresentation>> AudioPresentations;
+
+class AudioPresentationInfo : public RefBase {
+ public:
+ AudioPresentationInfo();
+
+ ~AudioPresentationInfo();
+
+ void addPresentation(sp<AudioPresentation> presentation);
+
+ size_t countPresentations() const;
+
+ const sp<AudioPresentation> getPresentation(size_t index) const;
+
+ private:
+ AudioPresentations mPresentations;
+};
+
+} // namespace android
+
+#endif // AUDIO_PRESENTATION_INFO_H_