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Side by Side Diff: webrtc/modules/audio_coding/neteq/decision_logic.h

Issue 2411183003: Removed RTPHeader from NetEq's Packet struct. (Closed)
Patch Set: Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 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 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 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_H_ 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_H_
12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_H_ 12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_H_
13 13
14 #include "webrtc/base/constructormagic.h" 14 #include "webrtc/base/constructormagic.h"
15 #include "webrtc/modules/audio_coding/neteq/defines.h" 15 #include "webrtc/modules/audio_coding/neteq/defines.h"
16 #include "webrtc/modules/audio_coding/neteq/include/neteq.h" 16 #include "webrtc/modules/audio_coding/neteq/include/neteq.h"
17 #include "webrtc/modules/audio_coding/neteq/tick_timer.h" 17 #include "webrtc/modules/audio_coding/neteq/tick_timer.h"
18 #include "webrtc/typedefs.h" 18 #include "webrtc/typedefs.h"
19 19
20 namespace webrtc { 20 namespace webrtc {
21 21
22 // Forward declarations. 22 // Forward declarations.
23 class BufferLevelFilter; 23 class BufferLevelFilter;
24 class DecoderDatabase; 24 class DecoderDatabase;
25 class DelayManager; 25 class DelayManager;
26 class Expand; 26 class Expand;
27 class PacketBuffer; 27 class PacketBuffer;
28 class SyncBuffer; 28 class SyncBuffer;
29 struct RTPHeader; 29 struct Packet;
30 30
31 // This is the base class for the decision tree implementations. Derived classes 31 // This is the base class for the decision tree implementations. Derived classes
32 // must implement the method GetDecisionSpecialized(). 32 // must implement the method GetDecisionSpecialized().
33 class DecisionLogic { 33 class DecisionLogic {
34 public: 34 public:
35 // Static factory function which creates different types of objects depending 35 // Static factory function which creates different types of objects depending
36 // on the |playout_mode|. 36 // on the |playout_mode|.
37 static DecisionLogic* Create(int fs_hz, 37 static DecisionLogic* Create(int fs_hz,
38 size_t output_size_samples, 38 size_t output_size_samples,
39 NetEqPlayoutMode playout_mode, 39 NetEqPlayoutMode playout_mode,
(...skipping 20 matching lines...) Expand all
60 60
61 // Resets parts of the state. Typically done when switching codecs. 61 // Resets parts of the state. Typically done when switching codecs.
62 void SoftReset(); 62 void SoftReset();
63 63
64 // Sets the sample rate and the output block size. 64 // Sets the sample rate and the output block size.
65 void SetSampleRate(int fs_hz, size_t output_size_samples); 65 void SetSampleRate(int fs_hz, size_t output_size_samples);
66 66
67 // Returns the operation that should be done next. |sync_buffer| and |expand| 67 // Returns the operation that should be done next. |sync_buffer| and |expand|
68 // are provided for reference. |decoder_frame_length| is the number of samples 68 // are provided for reference. |decoder_frame_length| is the number of samples
69 // obtained from the last decoded frame. If there is a packet available, the 69 // obtained from the last decoded frame. If there is a packet available, the
70 // packet header should be supplied in |packet_header|; otherwise it should 70 // packet header should be supplied in |packet_header|; otherwise it should
hlundin-webrtc 2016/10/12 20:39:57 Fix the comment, still mentioning packet_header.
ossu 2016/10/12 21:46:02 Done.
71 // be NULL. The mode resulting form the last call to NetEqImpl::GetAudio is 71 // be NULL. The mode resulting form the last call to NetEqImpl::GetAudio is
72 // supplied in |prev_mode|. If there is a DTMF event to play, |play_dtmf| 72 // supplied in |prev_mode|. If there is a DTMF event to play, |play_dtmf|
73 // should be set to true. The output variable |reset_decoder| will be set to 73 // should be set to true. The output variable |reset_decoder| will be set to
74 // true if a reset is required; otherwise it is left unchanged (i.e., it can 74 // true if a reset is required; otherwise it is left unchanged (i.e., it can
75 // remain true if it was true before the call). 75 // remain true if it was true before the call).
76 // This method end with calling GetDecisionSpecialized to get the actual 76 // This method end with calling GetDecisionSpecialized to get the actual
77 // return value. 77 // return value.
78 Operations GetDecision(const SyncBuffer& sync_buffer, 78 Operations GetDecision(const SyncBuffer& sync_buffer,
79 const Expand& expand, 79 const Expand& expand,
80 size_t decoder_frame_length, 80 size_t decoder_frame_length,
81 const RTPHeader* packet_header, 81 const Packet* next_packet,
82 Modes prev_mode, 82 Modes prev_mode,
83 bool play_dtmf, 83 bool play_dtmf,
84 size_t generated_noise_samples, 84 size_t generated_noise_samples,
85 bool* reset_decoder); 85 bool* reset_decoder);
86 86
87 // These methods test the |cng_state_| for different conditions. 87 // These methods test the |cng_state_| for different conditions.
88 bool CngRfc3389On() const { return cng_state_ == kCngRfc3389On; } 88 bool CngRfc3389On() const { return cng_state_ == kCngRfc3389On; }
89 bool CngOff() const { return cng_state_ == kCngOff; } 89 bool CngOff() const { return cng_state_ == kCngOff; }
90 90
91 // Resets the |cng_state_| to kCngOff. 91 // Resets the |cng_state_| to kCngOff.
(...skipping 26 matching lines...) Expand all
118 118
119 enum CngState { 119 enum CngState {
120 kCngOff, 120 kCngOff,
121 kCngRfc3389On, 121 kCngRfc3389On,
122 kCngInternalOn 122 kCngInternalOn
123 }; 123 };
124 124
125 // Returns the operation that should be done next. |sync_buffer| and |expand| 125 // Returns the operation that should be done next. |sync_buffer| and |expand|
126 // are provided for reference. |decoder_frame_length| is the number of samples 126 // are provided for reference. |decoder_frame_length| is the number of samples
127 // obtained from the last decoded frame. If there is a packet available, the 127 // obtained from the last decoded frame. If there is a packet available, the
128 // packet header should be supplied in |packet_header|; otherwise it should 128 // packet header should be supplied in |packet_header|; otherwise it should
hlundin-webrtc 2016/10/12 20:39:57 And here.
ossu 2016/10/12 21:46:02 Done.
129 // be NULL. The mode resulting form the last call to NetEqImpl::GetAudio is 129 // be NULL. The mode resulting form the last call to NetEqImpl::GetAudio is
130 // supplied in |prev_mode|. If there is a DTMF event to play, |play_dtmf| 130 // supplied in |prev_mode|. If there is a DTMF event to play, |play_dtmf|
131 // should be set to true. The output variable |reset_decoder| will be set to 131 // should be set to true. The output variable |reset_decoder| will be set to
132 // true if a reset is required; otherwise it is left unchanged (i.e., it can 132 // true if a reset is required; otherwise it is left unchanged (i.e., it can
133 // remain true if it was true before the call). 133 // remain true if it was true before the call).
134 // Should be implemented by derived classes. 134 // Should be implemented by derived classes.
135 virtual Operations GetDecisionSpecialized(const SyncBuffer& sync_buffer, 135 virtual Operations GetDecisionSpecialized(const SyncBuffer& sync_buffer,
136 const Expand& expand, 136 const Expand& expand,
137 size_t decoder_frame_length, 137 size_t decoder_frame_length,
138 const RTPHeader* packet_header, 138 const Packet* next_packet,
139 Modes prev_mode, 139 Modes prev_mode,
140 bool play_dtmf, 140 bool play_dtmf,
141 bool* reset_decoder, 141 bool* reset_decoder,
142 size_t generated_noise_samples) = 0; 142 size_t generated_noise_samples) = 0;
143 143
144 // Updates the |buffer_level_filter_| with the current buffer level 144 // Updates the |buffer_level_filter_| with the current buffer level
145 // |buffer_size_packets|. 145 // |buffer_size_packets|.
146 void FilterBufferLevel(size_t buffer_size_packets, Modes prev_mode); 146 void FilterBufferLevel(size_t buffer_size_packets, Modes prev_mode);
147 147
148 DecoderDatabase* decoder_database_; 148 DecoderDatabase* decoder_database_;
(...skipping 12 matching lines...) Expand all
161 std::unique_ptr<TickTimer::Countdown> timescale_countdown_; 161 std::unique_ptr<TickTimer::Countdown> timescale_countdown_;
162 int num_consecutive_expands_; 162 int num_consecutive_expands_;
163 const NetEqPlayoutMode playout_mode_; 163 const NetEqPlayoutMode playout_mode_;
164 164
165 private: 165 private:
166 RTC_DISALLOW_COPY_AND_ASSIGN(DecisionLogic); 166 RTC_DISALLOW_COPY_AND_ASSIGN(DecisionLogic);
167 }; 167 };
168 168
169 } // namespace webrtc 169 } // namespace webrtc
170 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_H_ 170 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_H_
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