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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 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 |
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63 void NetEqReplacementInput::ReplacePacket() { | 63 void NetEqReplacementInput::ReplacePacket() { |
64 if (!source_->NextPacketTime()) { | 64 if (!source_->NextPacketTime()) { |
65 // End of input. Cannot do proper replacement on the very last packet, so we | 65 // End of input. Cannot do proper replacement on the very last packet, so we |
66 // delete it instead. | 66 // delete it instead. |
67 packet_.reset(); | 67 packet_.reset(); |
68 return; | 68 return; |
69 } | 69 } |
70 | 70 |
71 RTC_DCHECK(packet_); | 71 RTC_DCHECK(packet_); |
72 | 72 |
73 RTC_CHECK_EQ(forbidden_types_.count(packet_->header.header.payloadType), 0) | 73 RTC_CHECK_EQ(forbidden_types_.count(packet_->header.payloadType), 0) |
74 << "Payload type " << static_cast<int>(packet_->header.header.payloadType) | 74 << "Payload type " << static_cast<int>(packet_->header.payloadType) |
75 << " is forbidden."; | 75 << " is forbidden."; |
76 | 76 |
77 // Check if this packet is comfort noise. | 77 // Check if this packet is comfort noise. |
78 if (comfort_noise_types_.count(packet_->header.header.payloadType) != 0) { | 78 if (comfort_noise_types_.count(packet_->header.payloadType) != 0) { |
79 // If CNG, simply insert a zero-energy one-byte payload. | 79 // If CNG, simply insert a zero-energy one-byte payload. |
80 uint8_t cng_payload[1] = {127}; // Max attenuation of CNG. | 80 uint8_t cng_payload[1] = {127}; // Max attenuation of CNG. |
81 packet_->payload.SetData(cng_payload); | 81 packet_->payload.SetData(cng_payload); |
82 return; | 82 return; |
83 } | 83 } |
84 | 84 |
85 rtc::Optional<RTPHeader> next_hdr = source_->NextHeader(); | 85 rtc::Optional<RTPHeader> next_hdr = source_->NextHeader(); |
86 RTC_DCHECK(next_hdr); | 86 RTC_DCHECK(next_hdr); |
87 uint8_t payload[12]; | 87 uint8_t payload[12]; |
88 uint32_t input_frame_size_timestamps = last_frame_size_timestamps_; | 88 uint32_t input_frame_size_timestamps = last_frame_size_timestamps_; |
89 if (next_hdr->sequenceNumber == packet_->header.header.sequenceNumber + 1) { | 89 if (next_hdr->sequenceNumber == packet_->header.sequenceNumber + 1) { |
90 // Packets are in order. | 90 // Packets are in order. |
91 input_frame_size_timestamps = | 91 input_frame_size_timestamps = |
92 next_hdr->timestamp - packet_->header.header.timestamp; | 92 next_hdr->timestamp - packet_->header.timestamp; |
93 last_frame_size_timestamps_ = input_frame_size_timestamps; | 93 last_frame_size_timestamps_ = input_frame_size_timestamps; |
94 } | 94 } |
95 FakeDecodeFromFile::PrepareEncoded(packet_->header.header.timestamp, | 95 FakeDecodeFromFile::PrepareEncoded(packet_->header.timestamp, |
96 input_frame_size_timestamps, | 96 input_frame_size_timestamps, |
97 packet_->payload.size(), payload); | 97 packet_->payload.size(), payload); |
98 packet_->payload.SetData(payload); | 98 packet_->payload.SetData(payload); |
99 packet_->header.header.payloadType = replacement_payload_type_; | 99 packet_->header.payloadType = replacement_payload_type_; |
100 return; | 100 return; |
101 } | 101 } |
102 | 102 |
103 } // namespace test | 103 } // namespace test |
104 } // namespace webrtc | 104 } // namespace webrtc |
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