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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 
     11 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_PACKET_SOURCE_H_
     12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_PACKET_SOURCE_H_
     13 
     14 #include <bitset>
     15 
     16 #include "webrtc/base/constructormagic.h"
     17 #include "webrtc/typedefs.h"
     18 
     19 namespace webrtc {
     20 namespace test {
     21 
     22 class Packet;
     23 
     24 // Interface class for an object delivering RTP packets to test applications.
     25 class PacketSource {
     26  public:
     27   PacketSource() {}
     28   virtual ~PacketSource() {}
     29 
     30   // Returns a pointer to the next packet. Returns NULL if the source is
     31   // depleted, or if an error occurred.
     32   virtual Packet* NextPacket() = 0;
     33 
     34   virtual void FilterOutPayloadType(uint8_t payload_type) {
     35     filter_.set(payload_type, true);
     36   }
     37 
     38  protected:
     39   std::bitset<128> filter_;  // Payload type is 7 bits in the RFC.
     40 
     41  private:
     42   DISALLOW_COPY_AND_ASSIGN(PacketSource);
     43 };
     44 
     45 }  // namespace test
     46 }  // namespace webrtc
     47 #endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_PACKET_SOURCE_H_
     48