• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  *  Copyright (c) 2012 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 MODULES_AUDIO_CODING_TEST_CHANNEL_H_
12 #define MODULES_AUDIO_CODING_TEST_CHANNEL_H_
13 
14 #include <stdio.h>
15 
16 #include "modules/audio_coding/include/audio_coding_module.h"
17 #include "modules/include/module_common_types.h"
18 #include "rtc_base/synchronization/mutex.h"
19 
20 namespace webrtc {
21 
22 #define MAX_NUM_PAYLOADS 50
23 #define MAX_NUM_FRAMESIZES 6
24 
25 // TODO(turajs): Write constructor for this structure.
26 struct ACMTestFrameSizeStats {
27   uint16_t frameSizeSample;
28   size_t maxPayloadLen;
29   uint32_t numPackets;
30   uint64_t totalPayloadLenByte;
31   uint64_t totalEncodedSamples;
32   double rateBitPerSec;
33   double usageLenSec;
34 };
35 
36 // TODO(turajs): Write constructor for this structure.
37 struct ACMTestPayloadStats {
38   bool newPacket;
39   int16_t payloadType;
40   size_t lastPayloadLenByte;
41   uint32_t lastTimestamp;
42   ACMTestFrameSizeStats frameSizeStats[MAX_NUM_FRAMESIZES];
43 };
44 
45 class Channel : public AudioPacketizationCallback {
46  public:
47   Channel(int16_t chID = -1);
48   ~Channel() override;
49 
50   int32_t SendData(AudioFrameType frameType,
51                    uint8_t payloadType,
52                    uint32_t timeStamp,
53                    const uint8_t* payloadData,
54                    size_t payloadSize,
55                    int64_t absolute_capture_timestamp_ms) override;
56 
57   void RegisterReceiverACM(AudioCodingModule* acm);
58 
59   void ResetStats();
60 
SetIsStereo(bool isStereo)61   void SetIsStereo(bool isStereo) { _isStereo = isStereo; }
62 
63   uint32_t LastInTimestamp();
64 
SetFECTestWithPacketLoss(bool usePacketLoss)65   void SetFECTestWithPacketLoss(bool usePacketLoss) {
66     _useFECTestWithPacketLoss = usePacketLoss;
67   }
68 
69   double BitRate();
70 
set_send_timestamp(uint32_t new_send_ts)71   void set_send_timestamp(uint32_t new_send_ts) {
72     external_send_timestamp_ = new_send_ts;
73   }
74 
set_sequence_number(uint16_t new_sequence_number)75   void set_sequence_number(uint16_t new_sequence_number) {
76     external_sequence_number_ = new_sequence_number;
77   }
78 
set_num_packets_to_drop(int new_num_packets_to_drop)79   void set_num_packets_to_drop(int new_num_packets_to_drop) {
80     num_packets_to_drop_ = new_num_packets_to_drop;
81   }
82 
83  private:
84   void CalcStatistics(const RTPHeader& rtp_header, size_t payloadSize);
85 
86   AudioCodingModule* _receiverACM;
87   uint16_t _seqNo;
88   // 60msec * 32 sample(max)/msec * 2 description (maybe) * 2 bytes/sample
89   uint8_t _payloadData[60 * 32 * 2 * 2];
90 
91   Mutex _channelCritSect;
92   FILE* _bitStreamFile;
93   bool _saveBitStream;
94   int16_t _lastPayloadType;
95   ACMTestPayloadStats _payloadStats[MAX_NUM_PAYLOADS];
96   bool _isStereo;
97   RTPHeader _rtp_header;
98   bool _leftChannel;
99   uint32_t _lastInTimestamp;
100   bool _useLastFrameSize;
101   uint32_t _lastFrameSizeSample;
102   // FEC Test variables
103   int16_t _packetLoss;
104   bool _useFECTestWithPacketLoss;
105   uint64_t _beginTime;
106   uint64_t _totalBytes;
107 
108   // External timing info, defaulted to -1. Only used if they are
109   // non-negative.
110   int64_t external_send_timestamp_;
111   int32_t external_sequence_number_;
112   int num_packets_to_drop_;
113 };
114 
115 }  // namespace webrtc
116 
117 #endif  // MODULES_AUDIO_CODING_TEST_CHANNEL_H_
118