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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_NORMAL_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_NORMAL_H_ |
12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_NORMAL_H_ | 12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_NORMAL_H_ |
13 | 13 |
14 #include "webrtc/base/constructormagic.h" | 14 #include "webrtc/base/constructormagic.h" |
15 #include "webrtc/modules/audio_coding/neteq/decision_logic.h" | 15 #include "webrtc/modules/audio_coding/neteq/decision_logic.h" |
16 #include "webrtc/typedefs.h" | 16 #include "webrtc/typedefs.h" |
17 | 17 |
18 namespace webrtc { | 18 namespace webrtc { |
19 | 19 |
20 // Implementation of the DecisionLogic class for playout modes kPlayoutOn and | 20 // Implementation of the DecisionLogic class for playout modes kPlayoutOn and |
21 // kPlayoutStreaming. | 21 // kPlayoutStreaming. |
22 class DecisionLogicNormal : public DecisionLogic { | 22 class DecisionLogicNormal : public DecisionLogic { |
23 public: | 23 public: |
24 // Constructor. | 24 // Constructor. |
25 DecisionLogicNormal(int fs_hz, | 25 DecisionLogicNormal(int fs_hz, |
26 int output_size_samples, | 26 size_t output_size_samples, |
27 NetEqPlayoutMode playout_mode, | 27 NetEqPlayoutMode playout_mode, |
28 DecoderDatabase* decoder_database, | 28 DecoderDatabase* decoder_database, |
29 const PacketBuffer& packet_buffer, | 29 const PacketBuffer& packet_buffer, |
30 DelayManager* delay_manager, | 30 DelayManager* delay_manager, |
31 BufferLevelFilter* buffer_level_filter) | 31 BufferLevelFilter* buffer_level_filter) |
32 : DecisionLogic(fs_hz, output_size_samples, playout_mode, | 32 : DecisionLogic(fs_hz, output_size_samples, playout_mode, |
33 decoder_database, packet_buffer, delay_manager, | 33 decoder_database, packet_buffer, delay_manager, |
34 buffer_level_filter) { | 34 buffer_level_filter) { |
35 } | 35 } |
36 | 36 |
37 protected: | 37 protected: |
38 static const int kAllowMergeWithoutExpandMs = 20; // 20 ms. | 38 static const int kAllowMergeWithoutExpandMs = 20; // 20 ms. |
39 static const int kReinitAfterExpands = 100; | 39 static const int kReinitAfterExpands = 100; |
40 static const int kMaxWaitForPacket = 10; | 40 static const int kMaxWaitForPacket = 10; |
41 | 41 |
42 // Returns the operation that should be done next. |sync_buffer| and |expand| | 42 // Returns the operation that should be done next. |sync_buffer| and |expand| |
43 // are provided for reference. |decoder_frame_length| is the number of samples | 43 // are provided for reference. |decoder_frame_length| is the number of samples |
44 // obtained from the last decoded frame. If there is a packet available, the | 44 // obtained from the last decoded frame. If there is a packet available, the |
45 // packet header should be supplied in |packet_header|; otherwise it should | 45 // packet header should be supplied in |packet_header|; otherwise it should |
46 // be NULL. The mode resulting form the last call to NetEqImpl::GetAudio is | 46 // be NULL. The mode resulting form the last call to NetEqImpl::GetAudio is |
47 // supplied in |prev_mode|. If there is a DTMF event to play, |play_dtmf| | 47 // supplied in |prev_mode|. If there is a DTMF event to play, |play_dtmf| |
48 // should be set to true. The output variable |reset_decoder| will be set to | 48 // should be set to true. The output variable |reset_decoder| will be set to |
49 // true if a reset is required; otherwise it is left unchanged (i.e., it can | 49 // true if a reset is required; otherwise it is left unchanged (i.e., it can |
50 // remain true if it was true before the call). | 50 // remain true if it was true before the call). |
51 Operations GetDecisionSpecialized(const SyncBuffer& sync_buffer, | 51 Operations GetDecisionSpecialized(const SyncBuffer& sync_buffer, |
52 const Expand& expand, | 52 const Expand& expand, |
53 int decoder_frame_length, | 53 size_t decoder_frame_length, |
54 const RTPHeader* packet_header, | 54 const RTPHeader* packet_header, |
55 Modes prev_mode, | 55 Modes prev_mode, |
56 bool play_dtmf, | 56 bool play_dtmf, |
57 bool* reset_decoder) override; | 57 bool* reset_decoder) override; |
58 | 58 |
59 // Returns the operation to do given that the expected packet is not | 59 // Returns the operation to do given that the expected packet is not |
60 // available, but a packet further into the future is at hand. | 60 // available, but a packet further into the future is at hand. |
61 virtual Operations FuturePacketAvailable( | 61 virtual Operations FuturePacketAvailable( |
62 const SyncBuffer& sync_buffer, | 62 const SyncBuffer& sync_buffer, |
63 const Expand& expand, | 63 const Expand& expand, |
64 int decoder_frame_length, | 64 size_t decoder_frame_length, |
65 Modes prev_mode, | 65 Modes prev_mode, |
66 uint32_t target_timestamp, | 66 uint32_t target_timestamp, |
67 uint32_t available_timestamp, | 67 uint32_t available_timestamp, |
68 bool play_dtmf); | 68 bool play_dtmf); |
69 | 69 |
70 // Returns the operation to do given that the expected packet is available. | 70 // Returns the operation to do given that the expected packet is available. |
71 virtual Operations ExpectedPacketAvailable(Modes prev_mode, bool play_dtmf); | 71 virtual Operations ExpectedPacketAvailable(Modes prev_mode, bool play_dtmf); |
72 | 72 |
73 // Returns the operation given that no packets are available (except maybe | 73 // Returns the operation given that no packets are available (except maybe |
74 // a DTMF event, flagged by setting |play_dtmf| true). | 74 // a DTMF event, flagged by setting |play_dtmf| true). |
(...skipping 22 matching lines...) Expand all Loading... |
97 bool PacketTooEarly(uint32_t timestamp_leap) const; | 97 bool PacketTooEarly(uint32_t timestamp_leap) const; |
98 | 98 |
99 // Checks if num_consecutive_expands_ >= kMaxWaitForPacket. | 99 // Checks if num_consecutive_expands_ >= kMaxWaitForPacket. |
100 bool MaxWaitForPacket() const; | 100 bool MaxWaitForPacket() const; |
101 | 101 |
102 DISALLOW_COPY_AND_ASSIGN(DecisionLogicNormal); | 102 DISALLOW_COPY_AND_ASSIGN(DecisionLogicNormal); |
103 }; | 103 }; |
104 | 104 |
105 } // namespace webrtc | 105 } // namespace webrtc |
106 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_NORMAL_H_ | 106 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_DECISION_LOGIC_NORMAL_H_ |
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