Index: webrtc/video/vie_channel.cc |
diff --git a/webrtc/video/vie_channel.cc b/webrtc/video/vie_channel.cc |
deleted file mode 100644 |
index 49af472d55cdf688e1cc7ea8a0343efac8cb5bdd..0000000000000000000000000000000000000000 |
--- a/webrtc/video/vie_channel.cc |
+++ /dev/null |
@@ -1,266 +0,0 @@ |
-/* |
- * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#include "webrtc/video/vie_channel.h" |
- |
-#include <algorithm> |
-#include <map> |
-#include <vector> |
- |
-#include "webrtc/base/checks.h" |
-#include "webrtc/base/logging.h" |
-#include "webrtc/common_video/include/frame_callback.h" |
-#include "webrtc/common_video/include/incoming_video_stream.h" |
-#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h" |
-#include "webrtc/modules/rtp_rtcp/include/rtp_receiver.h" |
-#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h" |
-#include "webrtc/modules/video_coding/video_coding_impl.h" |
-#include "webrtc/modules/video_processing/include/video_processing.h" |
-#include "webrtc/system_wrappers/include/metrics.h" |
-#include "webrtc/video/call_stats.h" |
-#include "webrtc/video/payload_router.h" |
-#include "webrtc/video/receive_statistics_proxy.h" |
- |
-namespace webrtc { |
- |
-static const int kMaxPacketAgeToNack = 450; |
-static const int kMaxNackListSize = 250; |
- |
-// Helper class receiving statistics callbacks. |
-class ChannelStatsObserver : public CallStatsObserver { |
- public: |
- explicit ChannelStatsObserver(ViEChannel* owner) : owner_(owner) {} |
- virtual ~ChannelStatsObserver() {} |
- |
- // Implements StatsObserver. |
- virtual void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) { |
- owner_->OnRttUpdate(avg_rtt_ms, max_rtt_ms); |
- } |
- |
- private: |
- ViEChannel* const owner_; |
-}; |
- |
-ViEChannel::ViEChannel(vcm::VideoReceiver* video_receiver, |
- RtpStreamReceiver* rtp_stream_receiver) |
- : video_receiver_(video_receiver), |
- rtp_stream_receiver_(rtp_stream_receiver), |
- rtp_rtcp_(rtp_stream_receiver_->rtp_rtcp()), |
- stats_observer_(new ChannelStatsObserver(this)), |
- receive_stats_callback_(nullptr), |
- incoming_video_stream_(nullptr), |
- max_nack_reordering_threshold_(kMaxPacketAgeToNack), |
- pre_render_callback_(nullptr), |
- last_rtt_ms_(0) { |
- RTC_DCHECK(video_receiver_); |
- video_receiver_->SetNackSettings(kMaxNackListSize, |
- max_nack_reordering_threshold_, 0); |
-} |
- |
-ViEChannel::~ViEChannel() {} |
- |
-int32_t ViEChannel::Init() { |
- static const int kDefaultRenderDelayMs = 10; |
- |
- if (video_receiver_->RegisterReceiveCallback(this) != 0) { |
- return -1; |
- } |
- video_receiver_->RegisterFrameTypeCallback(this); |
- video_receiver_->RegisterReceiveStatisticsCallback(this); |
- video_receiver_->RegisterDecoderTimingCallback(this); |
- video_receiver_->SetRenderDelay(kDefaultRenderDelayMs); |
- |
- return 0; |
-} |
- |
-void ViEChannel::SetProtectionMode(bool enable_nack, |
- bool enable_fec, |
- int payload_type_red, |
- int payload_type_fec) { |
- // Validate payload types. If either RED or FEC payload types are set then |
- // both should be. If FEC is enabled then they both have to be set. |
- if (enable_fec || payload_type_red != -1 || payload_type_fec != -1) { |
- RTC_DCHECK_GE(payload_type_red, 0); |
- RTC_DCHECK_GE(payload_type_fec, 0); |
- RTC_DCHECK_LE(payload_type_red, 127); |
- RTC_DCHECK_LE(payload_type_fec, 127); |
- } else { |
- // Payload types unset. |
- RTC_DCHECK_EQ(payload_type_red, -1); |
- RTC_DCHECK_EQ(payload_type_fec, -1); |
- // Set to valid uint8_ts to be castable later without signed overflows. |
- payload_type_red = 0; |
- payload_type_fec = 0; |
- } |
- |
- VCMVideoProtection protection_method; |
- if (enable_nack) { |
- protection_method = enable_fec ? kProtectionNackFEC : kProtectionNack; |
- } else { |
- protection_method = kProtectionNone; |
- } |
- |
- video_receiver_->SetVideoProtection(protection_method, true); |
- |
- // Set NACK. |
- ProcessNACKRequest(enable_nack); |
- |
- // Set FEC. |
- rtp_rtcp_->SetGenericFECStatus(enable_fec, |
- static_cast<uint8_t>(payload_type_red), |
- static_cast<uint8_t>(payload_type_fec)); |
-} |
- |
-void ViEChannel::ProcessNACKRequest(const bool enable) { |
- if (enable) { |
- // Turn on NACK. |
- if (rtp_rtcp_->RTCP() == RtcpMode::kOff) |
- return; |
- rtp_stream_receiver_->SetNackStatus(true, max_nack_reordering_threshold_); |
- video_receiver_->RegisterPacketRequestCallback(this); |
- // Don't introduce errors when NACK is enabled. |
- video_receiver_->SetDecodeErrorMode(kNoErrors); |
- |
- } else { |
- video_receiver_->RegisterPacketRequestCallback(nullptr); |
- // When NACK is off, allow decoding with errors. Otherwise, the video |
- // will freeze, and will only recover with a complete key frame. |
- video_receiver_->SetDecodeErrorMode(kWithErrors); |
- rtp_stream_receiver_->SetNackStatus(false, max_nack_reordering_threshold_); |
- } |
-} |
- |
-int ViEChannel::GetRequiredNackListSize(int target_delay_ms) { |
- // The max size of the nack list should be large enough to accommodate the |
- // the number of packets (frames) resulting from the increased delay. |
- // Roughly estimating for ~40 packets per frame @ 30fps. |
- return target_delay_ms * 40 * 30 / 1000; |
-} |
- |
-RtpState ViEChannel::GetRtpStateForSsrc(uint32_t ssrc) const { |
- RTC_DCHECK(!rtp_rtcp_->Sending()); |
- RTC_DCHECK_EQ(ssrc, rtp_rtcp_->SSRC()); |
- return rtp_rtcp_->GetRtpState(); |
-} |
- |
-void ViEChannel::RegisterRtcpPacketTypeCounterObserver( |
- RtcpPacketTypeCounterObserver* observer) { |
- rtp_stream_receiver_->RegisterRtcpPacketTypeCounterObserver(observer); |
-} |
- |
-CallStatsObserver* ViEChannel::GetStatsObserver() { |
- return stats_observer_.get(); |
-} |
- |
-// Do not acquire the lock of |video_receiver_| in this function. Decode |
-// callback won't necessarily be called from the decoding thread. The decoding |
-// thread may have held the lock when calling VideoDecoder::Decode, Reset, or |
-// Release. Acquiring the same lock in the path of decode callback can deadlock. |
-int32_t ViEChannel::FrameToRender(VideoFrame& video_frame) { // NOLINT |
- rtc::CritScope lock(&crit_); |
- |
- if (pre_render_callback_) |
- pre_render_callback_->FrameCallback(&video_frame); |
- |
- incoming_video_stream_->OnFrame(video_frame); |
- return 0; |
-} |
- |
-int32_t ViEChannel::ReceivedDecodedReferenceFrame( |
- const uint64_t picture_id) { |
- return rtp_rtcp_->SendRTCPReferencePictureSelection(picture_id); |
-} |
- |
-void ViEChannel::OnIncomingPayloadType(int payload_type) { |
- rtc::CritScope lock(&crit_); |
- if (receive_stats_callback_) |
- receive_stats_callback_->OnIncomingPayloadType(payload_type); |
-} |
- |
-void ViEChannel::OnDecoderImplementationName(const char* implementation_name) { |
- rtc::CritScope lock(&crit_); |
- if (receive_stats_callback_) |
- receive_stats_callback_->OnDecoderImplementationName(implementation_name); |
-} |
- |
-void ViEChannel::OnReceiveRatesUpdated(uint32_t bit_rate, uint32_t frame_rate) { |
- rtc::CritScope lock(&crit_); |
- if (receive_stats_callback_) |
- receive_stats_callback_->OnIncomingRate(frame_rate, bit_rate); |
-} |
- |
-void ViEChannel::OnDiscardedPacketsUpdated(int discarded_packets) { |
- rtc::CritScope lock(&crit_); |
- if (receive_stats_callback_) |
- receive_stats_callback_->OnDiscardedPacketsUpdated(discarded_packets); |
-} |
- |
-void ViEChannel::OnFrameCountsUpdated(const FrameCounts& frame_counts) { |
- rtc::CritScope lock(&crit_); |
- receive_frame_counts_ = frame_counts; |
- if (receive_stats_callback_) |
- receive_stats_callback_->OnFrameCountsUpdated(frame_counts); |
-} |
- |
-void ViEChannel::OnDecoderTiming(int decode_ms, |
- int max_decode_ms, |
- int current_delay_ms, |
- int target_delay_ms, |
- int jitter_buffer_ms, |
- int min_playout_delay_ms, |
- int render_delay_ms) { |
- rtc::CritScope lock(&crit_); |
- if (!receive_stats_callback_) |
- return; |
- receive_stats_callback_->OnDecoderTiming( |
- decode_ms, max_decode_ms, current_delay_ms, target_delay_ms, |
- jitter_buffer_ms, min_playout_delay_ms, render_delay_ms, last_rtt_ms_); |
-} |
- |
-int32_t ViEChannel::RequestKeyFrame() { |
- return rtp_rtcp_->RequestKeyFrame(); |
-} |
- |
-int32_t ViEChannel::SliceLossIndicationRequest( |
- const uint64_t picture_id) { |
- return rtp_rtcp_->SendRTCPSliceLossIndication( |
- static_cast<uint8_t>(picture_id)); |
-} |
- |
-int32_t ViEChannel::ResendPackets(const uint16_t* sequence_numbers, |
- uint16_t length) { |
- return rtp_rtcp_->SendNACK(sequence_numbers, length); |
-} |
- |
-void ViEChannel::OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) { |
- video_receiver_->SetReceiveChannelParameters(max_rtt_ms); |
- |
- rtc::CritScope lock(&crit_); |
- last_rtt_ms_ = avg_rtt_ms; |
-} |
- |
-void ViEChannel::RegisterPreRenderCallback( |
- I420FrameCallback* pre_render_callback) { |
- rtc::CritScope lock(&crit_); |
- pre_render_callback_ = pre_render_callback; |
-} |
- |
-void ViEChannel::RegisterReceiveStatisticsProxy( |
- ReceiveStatisticsProxy* receive_statistics_proxy) { |
- rtc::CritScope lock(&crit_); |
- receive_stats_callback_ = receive_statistics_proxy; |
-} |
- |
-void ViEChannel::SetIncomingVideoStream( |
- IncomingVideoStream* incoming_video_stream) { |
- rtc::CritScope lock(&crit_); |
- incoming_video_stream_ = incoming_video_stream; |
-} |
-} // namespace webrtc |