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diff --git a/webrtc/modules/utility/include/file_recorder.h b/webrtc/modules/utility/include/file_recorder.h
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+/*
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_MODULES_UTILITY_INCLUDE_FILE_RECORDER_H_
+#define WEBRTC_MODULES_UTILITY_INCLUDE_FILE_RECORDER_H_
+
+#include "webrtc/common_types.h"
+#include "webrtc/engine_configurations.h"
+#include "webrtc/modules/include/module_common_types.h"
+#include "webrtc/modules/media_file/media_file_defines.h"
+#include "webrtc/system_wrappers/include/tick_util.h"
+#include "webrtc/typedefs.h"
+#include "webrtc/video_frame.h"
+
+namespace webrtc {
+
+class FileRecorder
+{
+public:
+
+    // Note: will return NULL for unsupported formats.
+    static FileRecorder* CreateFileRecorder(const uint32_t instanceID,
+                                            const FileFormats fileFormat);
+
+    static void DestroyFileRecorder(FileRecorder* recorder);
+
+    virtual int32_t RegisterModuleFileCallback(
+        FileCallback* callback) = 0;
+
+    virtual FileFormats RecordingFileFormat() const = 0;
+
+    virtual int32_t StartRecordingAudioFile(
+        const char* fileName,
+        const CodecInst& codecInst,
+        uint32_t notification) = 0;
+
+    virtual int32_t StartRecordingAudioFile(
+        OutStream& destStream,
+        const CodecInst& codecInst,
+        uint32_t notification) = 0;
+
+    // Stop recording.
+    // Note: this API is for both audio and video.
+    virtual int32_t StopRecording() = 0;
+
+    // Return true if recording.
+    // Note: this API is for both audio and video.
+    virtual bool IsRecording() const = 0;
+
+    virtual int32_t codec_info(CodecInst& codecInst) const = 0;
+
+    // Write frame to file. Frame should contain 10ms of un-ecoded audio data.
+    virtual int32_t RecordAudioToFile(
+        const AudioFrame& frame,
+        const TickTime* playoutTS = NULL) = 0;
+
+    // Open/create the file specified by fileName for writing audio/video data
+    // (relative path is allowed). audioCodecInst specifies the encoding of the
+    // audio data. videoCodecInst specifies the encoding of the video data.
+    // Only video data will be recorded if videoOnly is true. amrFormat
+    // specifies the amr/amrwb storage format.
+    // Note: the file format is AVI.
+    virtual int32_t StartRecordingVideoFile(
+        const char* fileName,
+        const CodecInst& audioCodecInst,
+        const VideoCodec& videoCodecInst,
+        bool videoOnly = false) = 0;
+
+    // Record the video frame in videoFrame to AVI file.
+    virtual int32_t RecordVideoToFile(const VideoFrame& videoFrame) = 0;
+
+protected:
+    virtual ~FileRecorder() {}
+
+};
+}  // namespace webrtc
+#endif // WEBRTC_MODULES_UTILITY_INCLUDE_FILE_RECORDER_H_