94150ee487
This class receives data about video frames from ReceiveStatisticsProxy, calculates spatial and temporal quality metrics and outputs them to UMA stats. It is all done in a separate class because it will be further extended to calculate aggregated quality metrics in the future. Bug: webrtc:9295 Change-Id: Ie36db83e10c0e8da0b9baa392651cb9a67a54a80 Reviewed-on: https://webrtc-review.googlesource.com/78220 Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23387}
133 lines
5.3 KiB
C++
133 lines
5.3 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "video/video_stream_decoder.h"
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#include <algorithm>
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#include <map>
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#include <vector>
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#include "common_video/include/frame_callback.h"
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#include "modules/video_coding/video_coding_impl.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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#include "system_wrappers/include/metrics.h"
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#include "video/call_stats.h"
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#include "video/payload_router.h"
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#include "video/receive_statistics_proxy.h"
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namespace webrtc {
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VideoStreamDecoder::VideoStreamDecoder(
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vcm::VideoReceiver* video_receiver,
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VCMFrameTypeCallback* vcm_frame_type_callback,
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VCMPacketRequestCallback* vcm_packet_request_callback,
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bool enable_nack,
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bool enable_fec,
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ReceiveStatisticsProxy* receive_statistics_proxy,
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rtc::VideoSinkInterface<VideoFrame>* incoming_video_stream)
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: video_receiver_(video_receiver),
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receive_stats_callback_(receive_statistics_proxy),
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incoming_video_stream_(incoming_video_stream) {
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RTC_DCHECK(video_receiver_);
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static const int kMaxPacketAgeToNack = 450;
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static const int kMaxNackListSize = 250;
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video_receiver_->SetNackSettings(kMaxNackListSize,
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kMaxPacketAgeToNack, 0);
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video_receiver_->RegisterReceiveCallback(this);
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video_receiver_->RegisterFrameTypeCallback(vcm_frame_type_callback);
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video_receiver_->RegisterReceiveStatisticsCallback(this);
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VCMVideoProtection video_protection =
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enable_nack ? (enable_fec ? kProtectionNackFEC : kProtectionNack)
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: kProtectionNone;
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VCMDecodeErrorMode decode_error_mode = enable_nack ? kNoErrors : kWithErrors;
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video_receiver_->SetVideoProtection(video_protection, true);
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video_receiver_->SetDecodeErrorMode(decode_error_mode);
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VCMPacketRequestCallback* packet_request_callback =
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enable_nack ? vcm_packet_request_callback : nullptr;
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video_receiver_->RegisterPacketRequestCallback(packet_request_callback);
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}
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VideoStreamDecoder::~VideoStreamDecoder() {
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// Note: There's an assumption at this point that the decoder thread is
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// *not* running. If it was, then there could be a race for each of these
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// callbacks.
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// Unset all the callback pointers that we set in the ctor.
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video_receiver_->RegisterPacketRequestCallback(nullptr);
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video_receiver_->RegisterReceiveStatisticsCallback(nullptr);
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video_receiver_->RegisterFrameTypeCallback(nullptr);
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video_receiver_->RegisterReceiveCallback(nullptr);
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}
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// Do not acquire the lock of |video_receiver_| in this function. Decode
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// callback won't necessarily be called from the decoding thread. The decoding
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// thread may have held the lock when calling VideoDecoder::Decode, Reset, or
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// Release. Acquiring the same lock in the path of decode callback can deadlock.
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int32_t VideoStreamDecoder::FrameToRender(VideoFrame& video_frame,
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rtc::Optional<uint8_t> qp,
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VideoContentType content_type) {
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receive_stats_callback_->OnDecodedFrame(qp, video_frame.width(),
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video_frame.height(), content_type);
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incoming_video_stream_->OnFrame(video_frame);
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return 0;
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}
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int32_t VideoStreamDecoder::ReceivedDecodedReferenceFrame(
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const uint64_t picture_id) {
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RTC_NOTREACHED();
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return 0;
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}
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void VideoStreamDecoder::OnIncomingPayloadType(int payload_type) {
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receive_stats_callback_->OnIncomingPayloadType(payload_type);
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}
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void VideoStreamDecoder::OnDecoderImplementationName(
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const char* implementation_name) {
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receive_stats_callback_->OnDecoderImplementationName(implementation_name);
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}
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void VideoStreamDecoder::OnReceiveRatesUpdated(uint32_t bit_rate,
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uint32_t frame_rate) {
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receive_stats_callback_->OnIncomingRate(frame_rate, bit_rate);
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}
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void VideoStreamDecoder::OnDiscardedPacketsUpdated(int discarded_packets) {
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receive_stats_callback_->OnDiscardedPacketsUpdated(discarded_packets);
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}
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void VideoStreamDecoder::OnFrameCountsUpdated(const FrameCounts& frame_counts) {
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receive_stats_callback_->OnFrameCountsUpdated(frame_counts);
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}
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void VideoStreamDecoder::OnFrameBufferTimingsUpdated(int decode_ms,
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int max_decode_ms,
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int current_delay_ms,
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int target_delay_ms,
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int jitter_buffer_ms,
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int min_playout_delay_ms,
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int render_delay_ms) {}
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void VideoStreamDecoder::OnTimingFrameInfoUpdated(const TimingFrameInfo& info) {
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}
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void VideoStreamDecoder::OnCompleteFrame(bool is_keyframe,
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size_t size_bytes,
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VideoContentType content_type) {}
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void VideoStreamDecoder::UpdateRtt(int64_t max_rtt_ms) {
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video_receiver_->SetReceiveChannelParameters(max_rtt_ms);
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}
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} // namespace webrtc
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