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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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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165 fec_bitrate_.Update(fec_packet->length(), clock_->TimeInMilliseconds()); | 165 fec_bitrate_.Update(fec_packet->length(), clock_->TimeInMilliseconds()); |
166 TRACE_EVENT_INSTANT2(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), | 166 TRACE_EVENT_INSTANT2(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), |
167 "Video::PacketFec", "timestamp", rtp_timestamp, | 167 "Video::PacketFec", "timestamp", rtp_timestamp, |
168 "seqnum", fec_sequence_number); | 168 "seqnum", fec_sequence_number); |
169 } else { | 169 } else { |
170 LOG(LS_WARNING) << "Failed to send FEC packet " << fec_sequence_number; | 170 LOG(LS_WARNING) << "Failed to send FEC packet " << fec_sequence_number; |
171 } | 171 } |
172 } | 172 } |
173 } | 173 } |
174 | 174 |
175 void RTPSenderVideo::SetGenericFECStatus(bool enable, | 175 void RTPSenderVideo::SetUlpfecConfig(bool enabled, |
176 uint8_t payload_type_red, | 176 int red_payload_type, |
177 uint8_t payload_type_fec) { | 177 int ulpfec_payload_type) { |
178 RTC_DCHECK(!enable || payload_type_red > 0); | 178 RTC_DCHECK(!enabled || red_payload_type > 0); |
| 179 RTC_DCHECK_LE(red_payload_type, 127); |
| 180 RTC_DCHECK_LE(ulpfec_payload_type, 127); |
| 181 |
179 rtc::CritScope cs(&crit_); | 182 rtc::CritScope cs(&crit_); |
180 fec_enabled_ = enable; | 183 fec_enabled_ = enabled; |
181 red_payload_type_ = payload_type_red; | 184 red_payload_type_ = red_payload_type; |
182 fec_payload_type_ = payload_type_fec; | 185 fec_payload_type_ = ulpfec_payload_type; |
| 186 |
| 187 // Reset FEC rates. |
183 delta_fec_params_ = FecProtectionParams{0, 1, kFecMaskRandom}; | 188 delta_fec_params_ = FecProtectionParams{0, 1, kFecMaskRandom}; |
184 key_fec_params_ = FecProtectionParams{0, 1, kFecMaskRandom}; | 189 key_fec_params_ = FecProtectionParams{0, 1, kFecMaskRandom}; |
185 } | 190 } |
186 | 191 |
187 void RTPSenderVideo::GenericFECStatus(bool* enable, | 192 void RTPSenderVideo::UlpfecConfig(bool* enabled, |
188 uint8_t* payload_type_red, | 193 int* red_payload_type, |
189 uint8_t* payload_type_fec) const { | 194 int* ulpfec_payload_type) const { |
190 rtc::CritScope cs(&crit_); | 195 rtc::CritScope cs(&crit_); |
191 *enable = fec_enabled_; | 196 *enabled = fec_enabled_; |
192 *payload_type_red = red_payload_type_; | 197 *red_payload_type = red_payload_type_; |
193 *payload_type_fec = fec_payload_type_; | 198 *ulpfec_payload_type = fec_payload_type_; |
194 } | 199 } |
195 | 200 |
196 size_t RTPSenderVideo::FecPacketOverhead() const { | 201 size_t RTPSenderVideo::FecPacketOverhead() const { |
197 rtc::CritScope cs(&crit_); | 202 rtc::CritScope cs(&crit_); |
198 size_t overhead = 0; | 203 size_t overhead = 0; |
199 if (red_payload_type_ != 0) { | 204 if (red_payload_type_ != -1) { |
200 // Overhead is FEC headers plus RED for FEC header plus anything in RTP | 205 // Overhead is FEC headers plus RED for FEC header plus anything in RTP |
201 // header beyond the 12 bytes base header (CSRC list, extensions...) | 206 // header beyond the 12 bytes base header (CSRC list, extensions...) |
202 // This reason for the header extensions to be included here is that | 207 // This reason for the header extensions to be included here is that |
203 // from an FEC viewpoint, they are part of the payload to be protected. | 208 // from an FEC viewpoint, they are part of the payload to be protected. |
204 // (The base RTP header is already protected by the FEC header.) | 209 // (The base RTP header is already protected by the FEC header.) |
205 return producer_fec_.MaxPacketOverhead() + kRedForFecHeaderLength + | 210 return producer_fec_.MaxPacketOverhead() + kRedForFecHeaderLength + |
206 (rtp_sender_->RtpHeaderLength() - kRtpHeaderSize); | 211 (rtp_sender_->RtpHeaderLength() - kRtpHeaderSize); |
207 } | 212 } |
208 if (fec_enabled_) | 213 if (fec_enabled_) |
209 overhead += producer_fec_.MaxPacketOverhead(); | 214 overhead += producer_fec_.MaxPacketOverhead(); |
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299 | 304 |
300 size_t payload_bytes_in_packet = 0; | 305 size_t payload_bytes_in_packet = 0; |
301 if (!packetizer->NextPacket(payload, &payload_bytes_in_packet, &last)) | 306 if (!packetizer->NextPacket(payload, &payload_bytes_in_packet, &last)) |
302 return false; | 307 return false; |
303 | 308 |
304 packet->SetPayloadSize(payload_bytes_in_packet); | 309 packet->SetPayloadSize(payload_bytes_in_packet); |
305 packet->SetMarker(last); | 310 packet->SetMarker(last); |
306 if (!rtp_sender_->AssignSequenceNumber(packet.get())) | 311 if (!rtp_sender_->AssignSequenceNumber(packet.get())) |
307 return false; | 312 return false; |
308 | 313 |
309 if (red_payload_type != 0) { | 314 if (red_payload_type != -1) { |
310 SendVideoPacketAsRed(std::move(packet), storage, | 315 SendVideoPacketAsRed(std::move(packet), storage, |
311 packetizer->GetProtectionType() == kProtectedPacket); | 316 packetizer->GetProtectionType() == kProtectedPacket); |
312 } else { | 317 } else { |
313 SendVideoPacket(std::move(packet), storage); | 318 SendVideoPacket(std::move(packet), storage); |
314 } | 319 } |
315 | 320 |
316 if (first_frame) { | 321 if (first_frame) { |
317 if (first) { | 322 if (first) { |
318 LOG(LS_INFO) | 323 LOG(LS_INFO) |
319 << "Sent first RTP packet of the first video frame (pre-pacer)"; | 324 << "Sent first RTP packet of the first video frame (pre-pacer)"; |
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345 rtc::CritScope cs(&crit_); | 350 rtc::CritScope cs(&crit_); |
346 return retransmission_settings_; | 351 return retransmission_settings_; |
347 } | 352 } |
348 | 353 |
349 void RTPSenderVideo::SetSelectiveRetransmissions(uint8_t settings) { | 354 void RTPSenderVideo::SetSelectiveRetransmissions(uint8_t settings) { |
350 rtc::CritScope cs(&crit_); | 355 rtc::CritScope cs(&crit_); |
351 retransmission_settings_ = settings; | 356 retransmission_settings_ = settings; |
352 } | 357 } |
353 | 358 |
354 } // namespace webrtc | 359 } // namespace webrtc |
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