| Index: webrtc/video/rtp_streams_synchronizer.cc
|
| diff --git a/webrtc/video/rtp_streams_synchronizer.cc b/webrtc/video/rtp_streams_synchronizer.cc
|
| index 0d026b310a492d0463f6d9ac12ff0d4f46bec1d3..1edb9b8e4fcfb4fc8cd8fea956fdba418dda7bcf 100644
|
| --- a/webrtc/video/rtp_streams_synchronizer.cc
|
| +++ b/webrtc/video/rtp_streams_synchronizer.cc
|
| @@ -14,83 +14,48 @@
|
| #include "webrtc/base/logging.h"
|
| #include "webrtc/base/timeutils.h"
|
| #include "webrtc/base/trace_event.h"
|
| -#include "webrtc/modules/rtp_rtcp/include/rtp_receiver.h"
|
| -#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h"
|
| +#include "webrtc/call/syncable.h"
|
| #include "webrtc/modules/video_coding/video_coding_impl.h"
|
| -#include "webrtc/system_wrappers/include/clock.h"
|
| -#include "webrtc/video/stream_synchronization.h"
|
| -#include "webrtc/video_frame.h"
|
| -#include "webrtc/voice_engine/include/voe_video_sync.h"
|
|
|
| namespace webrtc {
|
| namespace {
|
| bool UpdateMeasurements(StreamSynchronization::Measurements* stream,
|
| - RtpRtcp* rtp_rtcp,
|
| - RtpReceiver* receiver) {
|
| - if (!receiver->Timestamp(&stream->latest_timestamp))
|
| - return false;
|
| - if (!receiver->LastReceivedTimeMs(&stream->latest_receive_time_ms))
|
| - return false;
|
| -
|
| - uint32_t ntp_secs = 0;
|
| - uint32_t ntp_frac = 0;
|
| - uint32_t rtp_timestamp = 0;
|
| - if (rtp_rtcp->RemoteNTP(&ntp_secs, &ntp_frac, nullptr, nullptr,
|
| - &rtp_timestamp) != 0) {
|
| - return false;
|
| - }
|
| -
|
| + const Syncable::Info& info) {
|
| + RTC_DCHECK(stream);
|
| + stream->latest_timestamp = info.latest_received_capture_timestamp;
|
| + stream->latest_receive_time_ms = info.latest_receive_time_ms;
|
| bool new_rtcp_sr = false;
|
| - if (!stream->rtp_to_ntp.UpdateMeasurements(ntp_secs, ntp_frac, rtp_timestamp,
|
| + if (!stream->rtp_to_ntp.UpdateMeasurements(info.capture_time_ntp_secs,
|
| + info.capture_time_ntp_frac,
|
| + info.capture_time_source_clock,
|
| &new_rtcp_sr)) {
|
| return false;
|
| }
|
| -
|
| return true;
|
| }
|
| } // namespace
|
|
|
| -RtpStreamsSynchronizer::RtpStreamsSynchronizer(
|
| - vcm::VideoReceiver* video_receiver,
|
| - RtpStreamReceiver* rtp_stream_receiver)
|
| - : clock_(Clock::GetRealTimeClock()),
|
| - video_receiver_(video_receiver),
|
| - video_rtp_receiver_(rtp_stream_receiver->GetRtpReceiver()),
|
| - video_rtp_rtcp_(rtp_stream_receiver->rtp_rtcp()),
|
| - voe_channel_id_(-1),
|
| - voe_sync_interface_(nullptr),
|
| - audio_rtp_receiver_(nullptr),
|
| - audio_rtp_rtcp_(nullptr),
|
| +RtpStreamsSynchronizer::RtpStreamsSynchronizer(Syncable* syncable_video)
|
| + : syncable_video_(syncable_video),
|
| + syncable_audio_(nullptr),
|
| sync_(),
|
| last_sync_time_(rtc::TimeNanos()) {
|
| + RTC_DCHECK(syncable_video);
|
| process_thread_checker_.DetachFromThread();
|
| }
|
|
|
| -void RtpStreamsSynchronizer::ConfigureSync(int voe_channel_id,
|
| - VoEVideoSync* voe_sync_interface) {
|
| - if (voe_channel_id != -1)
|
| - RTC_DCHECK(voe_sync_interface);
|
| -
|
| +void RtpStreamsSynchronizer::ConfigureSync(Syncable* syncable_audio) {
|
| rtc::CritScope lock(&crit_);
|
| - if (voe_channel_id_ == voe_channel_id &&
|
| - voe_sync_interface_ == voe_sync_interface) {
|
| + if (syncable_audio == syncable_audio_) {
|
| // This prevents expensive no-ops.
|
| return;
|
| }
|
| - voe_channel_id_ = voe_channel_id;
|
| - voe_sync_interface_ = voe_sync_interface;
|
|
|
| - audio_rtp_rtcp_ = nullptr;
|
| - audio_rtp_receiver_ = nullptr;
|
| + syncable_audio_ = syncable_audio;
|
| sync_.reset(nullptr);
|
| -
|
| - if (voe_channel_id_ != -1) {
|
| - voe_sync_interface_->GetRtpRtcp(voe_channel_id_, &audio_rtp_rtcp_,
|
| - &audio_rtp_receiver_);
|
| - RTC_DCHECK(audio_rtp_rtcp_);
|
| - RTC_DCHECK(audio_rtp_receiver_);
|
| - sync_.reset(new StreamSynchronization(video_rtp_rtcp_->SSRC(),
|
| - voe_channel_id_));
|
| + if (syncable_audio_) {
|
| + sync_.reset(new StreamSynchronization(syncable_video_->id(),
|
| + syncable_audio_->id()));
|
| }
|
| }
|
|
|
| @@ -103,35 +68,22 @@ int64_t RtpStreamsSynchronizer::TimeUntilNextProcess() {
|
|
|
| void RtpStreamsSynchronizer::Process() {
|
| RTC_DCHECK_RUN_ON(&process_thread_checker_);
|
| -
|
| - const int current_video_delay_ms = video_receiver_->Delay();
|
| last_sync_time_ = rtc::TimeNanos();
|
|
|
| rtc::CritScope lock(&crit_);
|
| - if (voe_channel_id_ == -1) {
|
| + if (!syncable_audio_) {
|
| return;
|
| }
|
| - RTC_DCHECK(voe_sync_interface_);
|
| RTC_DCHECK(sync_.get());
|
|
|
| - int audio_jitter_buffer_delay_ms = 0;
|
| - int playout_buffer_delay_ms = 0;
|
| - if (voe_sync_interface_->GetDelayEstimate(voe_channel_id_,
|
| - &audio_jitter_buffer_delay_ms,
|
| - &playout_buffer_delay_ms) != 0) {
|
| + rtc::Optional<Syncable::Info> audio_info = syncable_audio_->GetInfo();
|
| + if (!audio_info || !UpdateMeasurements(&audio_measurement_, *audio_info)) {
|
| return;
|
| }
|
| - const int current_audio_delay_ms = audio_jitter_buffer_delay_ms +
|
| - playout_buffer_delay_ms;
|
|
|
| int64_t last_video_receive_ms = video_measurement_.latest_receive_time_ms;
|
| - if (!UpdateMeasurements(&video_measurement_, video_rtp_rtcp_,
|
| - video_rtp_receiver_)) {
|
| - return;
|
| - }
|
| -
|
| - if (!UpdateMeasurements(&audio_measurement_, audio_rtp_rtcp_,
|
| - audio_rtp_receiver_)) {
|
| + rtc::Optional<Syncable::Info> video_info = syncable_video_->GetInfo();
|
| + if (!video_info || !UpdateMeasurements(&video_measurement_, *video_info)) {
|
| return;
|
| }
|
|
|
| @@ -147,41 +99,38 @@ void RtpStreamsSynchronizer::Process() {
|
| return;
|
| }
|
|
|
| - TRACE_COUNTER1("webrtc", "SyncCurrentVideoDelay", current_video_delay_ms);
|
| - TRACE_COUNTER1("webrtc", "SyncCurrentAudioDelay", current_audio_delay_ms);
|
| + TRACE_COUNTER1("webrtc", "SyncCurrentVideoDelay",
|
| + video_info->current_delay_ms);
|
| + TRACE_COUNTER1("webrtc", "SyncCurrentAudioDelay",
|
| + audio_info->current_delay_ms);
|
| TRACE_COUNTER1("webrtc", "SyncRelativeDelay", relative_delay_ms);
|
| int target_audio_delay_ms = 0;
|
| - int target_video_delay_ms = current_video_delay_ms;
|
| + int target_video_delay_ms = video_info->current_delay_ms;
|
| // Calculate the necessary extra audio delay and desired total video
|
| // delay to get the streams in sync.
|
| if (!sync_->ComputeDelays(relative_delay_ms,
|
| - current_audio_delay_ms,
|
| + audio_info->current_delay_ms,
|
| &target_audio_delay_ms,
|
| &target_video_delay_ms)) {
|
| return;
|
| }
|
|
|
| - if (voe_sync_interface_->SetMinimumPlayoutDelay(
|
| - voe_channel_id_, target_audio_delay_ms) == -1) {
|
| - LOG(LS_ERROR) << "Error setting voice delay.";
|
| - }
|
| - video_receiver_->SetMinimumPlayoutDelay(target_video_delay_ms);
|
| + syncable_audio_->SetMinimumPlayoutDelay(target_audio_delay_ms);
|
| + syncable_video_->SetMinimumPlayoutDelay(target_video_delay_ms);
|
| }
|
|
|
| bool RtpStreamsSynchronizer::GetStreamSyncOffsetInMs(
|
| - const VideoFrame& frame,
|
| + uint32_t timestamp,
|
| + int64_t render_time_ms,
|
| int64_t* stream_offset_ms,
|
| double* estimated_freq_khz) const {
|
| rtc::CritScope lock(&crit_);
|
| - if (voe_channel_id_ == -1)
|
| - return false;
|
| -
|
| - uint32_t playout_timestamp = 0;
|
| - if (voe_sync_interface_->GetPlayoutTimestamp(voe_channel_id_,
|
| - playout_timestamp) != 0) {
|
| + if (!syncable_audio_) {
|
| return false;
|
| }
|
|
|
| + uint32_t playout_timestamp = syncable_audio_->GetPlayoutTimestamp();
|
| +
|
| int64_t latest_audio_ntp;
|
| if (!audio_measurement_.rtp_to_ntp.Estimate(playout_timestamp,
|
| &latest_audio_ntp)) {
|
| @@ -189,13 +138,11 @@ bool RtpStreamsSynchronizer::GetStreamSyncOffsetInMs(
|
| }
|
|
|
| int64_t latest_video_ntp;
|
| - if (!video_measurement_.rtp_to_ntp.Estimate(frame.timestamp(),
|
| - &latest_video_ntp)) {
|
| + if (!video_measurement_.rtp_to_ntp.Estimate(timestamp, &latest_video_ntp)) {
|
| return false;
|
| }
|
|
|
| - int64_t time_to_render_ms =
|
| - frame.render_time_ms() - clock_->TimeInMilliseconds();
|
| + int64_t time_to_render_ms = render_time_ms - rtc::TimeMillis();
|
| if (time_to_render_ms > 0)
|
| latest_video_ntp += time_to_render_ms;
|
|
|
|
|