1 files changed, 53 insertions, 0 deletions
diff --git a/tuner/src/com/android/tv/tuner/source/TsStreamer.java b/tuner/src/com/android/tv/tuner/source/TsStreamer.java
new file mode 100644
index 00000000..3dbba7e7
--- /dev/null
+++ b/tuner/src/com/android/tv/tuner/source/TsStreamer.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+package com.android.tv.tuner.source;
+
+import com.android.tv.tuner.ChannelScanFileParser;
+import com.android.tv.tuner.data.TunerChannel;
+
+/**
+ * Interface definition for a stream generator. The interface will provide streams for scanning
+ * channels and/or playback.
+ */
+public interface TsStreamer {
+    /**
+     * Starts streaming the data for channel scanning process.
+     *
+     * @param channel {@link ChannelScanFileParser.ScanChannel} to be scanned
+     * @return {@code true} if ready to stream, otherwise {@code false}
+     */
+    boolean startStream(ChannelScanFileParser.ScanChannel channel);
+
+    /**
+     * Starts streaming the data for channel playing or recording.
+     *
+     * @param channel {@link TunerChannel} to tune
+     * @return {@code true} if ready to stream, otherwise {@code false}
+     */
+    boolean startStream(TunerChannel channel);
+
+    /** Stops streaming the data. */
+    void stopStream();
+
+    /**
+     * Creates {@link TsDataSource} which will provide MPEG-2 TS stream for {@link
+     * android.media.MediaExtractor}. The source will start from the position where it is created.
+     *
+     * @return {@link TsDataSource}
+     */
+    TsDataSource createDataSource();
+}