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Side by Side Diff: webrtc/video/vie_encoder.cc

Issue 1721713002: Keep disabled RtpRtcp modules registered. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 4 years, 10 months ago
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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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30 #include "webrtc/system_wrappers/include/clock.h" 30 #include "webrtc/system_wrappers/include/clock.h"
31 #include "webrtc/system_wrappers/include/metrics.h" 31 #include "webrtc/system_wrappers/include/metrics.h"
32 #include "webrtc/system_wrappers/include/tick_util.h" 32 #include "webrtc/system_wrappers/include/tick_util.h"
33 #include "webrtc/video/overuse_frame_detector.h" 33 #include "webrtc/video/overuse_frame_detector.h"
34 #include "webrtc/video/payload_router.h" 34 #include "webrtc/video/payload_router.h"
35 #include "webrtc/video/send_statistics_proxy.h" 35 #include "webrtc/video/send_statistics_proxy.h"
36 #include "webrtc/video_frame.h" 36 #include "webrtc/video_frame.h"
37 37
38 namespace webrtc { 38 namespace webrtc {
39 39
40 // Margin on when we pause the encoder when the pacing buffer overflows relative
41 // to the configured buffer delay.
42 static const float kEncoderPausePacerMargin = 2.0f;
43
44 // Don't stop the encoder unless the delay is above this configured value.
45 static const int kMinPacingDelayMs = 200;
46
47 static const float kStopPaddingThresholdMs = 2000; 40 static const float kStopPaddingThresholdMs = 2000;
48
49 static const int kMinKeyFrameRequestIntervalMs = 300; 41 static const int kMinKeyFrameRequestIntervalMs = 300;
50 42
51 std::vector<uint32_t> AllocateStreamBitrates( 43 std::vector<uint32_t> AllocateStreamBitrates(
52 uint32_t total_bitrate, 44 uint32_t total_bitrate,
53 const SimulcastStream* stream_configs, 45 const SimulcastStream* stream_configs,
54 size_t number_of_streams) { 46 size_t number_of_streams) {
55 if (number_of_streams == 0) { 47 if (number_of_streams == 0) {
56 std::vector<uint32_t> stream_bitrates(1, 0); 48 std::vector<uint32_t> stream_bitrates(1, 0);
57 stream_bitrates[0] = total_bitrate; 49 stream_bitrates[0] = total_bitrate;
58 return stream_bitrates; 50 return stream_bitrates;
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123 stats_proxy_(stats_proxy), 115 stats_proxy_(stats_proxy),
124 pre_encode_callback_(pre_encode_callback), 116 pre_encode_callback_(pre_encode_callback),
125 overuse_detector_(overuse_detector), 117 overuse_detector_(overuse_detector),
126 pacer_(pacer), 118 pacer_(pacer),
127 send_payload_router_(payload_router), 119 send_payload_router_(payload_router),
128 bitrate_allocator_(bitrate_allocator), 120 bitrate_allocator_(bitrate_allocator),
129 time_of_last_frame_activity_ms_(0), 121 time_of_last_frame_activity_ms_(0),
130 encoder_config_(), 122 encoder_config_(),
131 min_transmit_bitrate_kbps_(0), 123 min_transmit_bitrate_kbps_(0),
132 last_observed_bitrate_bps_(0), 124 last_observed_bitrate_bps_(0),
133 target_delay_ms_(0),
134 network_is_transmitting_(true), 125 network_is_transmitting_(true),
135 encoder_paused_(false), 126 encoder_paused_(false),
136 encoder_paused_and_dropped_frame_(false), 127 encoder_paused_and_dropped_frame_(false),
137 time_last_intra_request_ms_(ssrcs.size(), -1), 128 time_last_intra_request_ms_(ssrcs.size(), -1),
138 module_process_thread_(module_process_thread), 129 module_process_thread_(module_process_thread),
139 has_received_sli_(false), 130 has_received_sli_(false),
140 picture_id_sli_(0), 131 picture_id_sli_(0),
141 has_received_rpsi_(false), 132 has_received_rpsi_(false),
142 picture_id_rpsi_(0), 133 picture_id_rpsi_(0),
143 video_suspended_(false) { 134 video_suspended_(false) {
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293 284
294 return pad_up_to_bitrate_bps; 285 return pad_up_to_bitrate_bps;
295 } 286 }
296 287
297 bool ViEEncoder::EncoderPaused() const { 288 bool ViEEncoder::EncoderPaused() const {
298 // Pause video if paused by caller or as long as the network is down or the 289 // Pause video if paused by caller or as long as the network is down or the
299 // pacer queue has grown too large in buffered mode. 290 // pacer queue has grown too large in buffered mode.
300 if (encoder_paused_) { 291 if (encoder_paused_) {
301 return true; 292 return true;
302 } 293 }
303 if (target_delay_ms_ > 0) {
304 // Buffered mode.
305 // TODO(pwestin): Workaround until nack is configured as a time and not
306 // number of packets.
307 return pacer_->QueueInMs() >=
308 std::max(
309 static_cast<int>(target_delay_ms_ * kEncoderPausePacerMargin),
310 kMinPacingDelayMs);
311 }
312 if (pacer_->ExpectedQueueTimeMs() > PacedSender::kMaxQueueLengthMs) { 294 if (pacer_->ExpectedQueueTimeMs() > PacedSender::kMaxQueueLengthMs) {
313 // Too much data in pacer queue, drop frame. 295 // Too much data in pacer queue, drop frame.
314 return true; 296 return true;
315 } 297 }
316 return !network_is_transmitting_; 298 return !network_is_transmitting_;
317 } 299 }
318 300
319 void ViEEncoder::TraceFrameDropStart() { 301 void ViEEncoder::TraceFrameDropStart() {
320 // Start trace event only on the first frame after encoder is paused. 302 // Start trace event only on the first frame after encoder is paused.
321 if (!encoder_paused_and_dropped_frame_) { 303 if (!encoder_paused_and_dropped_frame_) {
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563 const uint32_t width, 545 const uint32_t width,
564 const uint32_t height) { 546 const uint32_t height) {
565 return vp_->SetTargetResolution(width, height, frame_rate); 547 return vp_->SetTargetResolution(width, height, frame_rate);
566 } 548 }
567 549
568 void QMVideoSettingsCallback::SetTargetFramerate(int frame_rate) { 550 void QMVideoSettingsCallback::SetTargetFramerate(int frame_rate) {
569 vp_->SetTargetFramerate(frame_rate); 551 vp_->SetTargetFramerate(frame_rate);
570 } 552 }
571 553
572 } // namespace webrtc 554 } // namespace webrtc
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