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      1 /*
      2  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 #ifndef WEBRTC_TEST_RTP_FILE_READER_H_
     11 #define WEBRTC_TEST_RTP_FILE_READER_H_
     12 
     13 #include <set>
     14 #include <string>
     15 
     16 #include "webrtc/common_types.h"
     17 
     18 namespace webrtc {
     19 namespace test {
     20 
     21 struct RtpPacket {
     22   // Accommodate for 50 ms packets of 32 kHz PCM16 samples (3200 bytes) plus
     23   // some overhead.
     24   static const size_t kMaxPacketBufferSize = 3500;
     25   uint8_t data[kMaxPacketBufferSize];
     26   size_t length;
     27   // The length the packet had on wire. Will be different from |length| when
     28   // reading a header-only RTP dump.
     29   size_t original_length;
     30 
     31   uint32_t time_ms;
     32 };
     33 
     34 class RtpFileReader {
     35  public:
     36   enum FileFormat { kPcap, kRtpDump, kLengthPacketInterleaved };
     37 
     38   virtual ~RtpFileReader() {}
     39   static RtpFileReader* Create(FileFormat format,
     40                                const std::string& filename);
     41   static RtpFileReader* Create(FileFormat format,
     42                                const std::string& filename,
     43                                const std::set<uint32_t>& ssrc_filter);
     44 
     45   virtual bool NextPacket(RtpPacket* packet) = 0;
     46 };
     47 }  // namespace test
     48 }  // namespace webrtc
     49 #endif  // WEBRTC_TEST_RTP_FILE_READER_H_
     50