Split webrtc/video into webrtc/{audio,call,video}.

webrtc/video/rtc_event_log.cc

Index: webrtc/video/rtc_event_log.cc
diff --git a/webrtc/video/rtc_event_log.cc b/webrtc/video/rtc_event_log.cc
deleted file mode 100644
index 8e6d1b9f224247f3af9dbdcac38eaa9c861d243d..0000000000000000000000000000000000000000
--- a/webrtc/video/rtc_event_log.cc
+++ /dev/null
@@ -1,405 +0,0 @@
-/*
- *  Copyright (c) 2015 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/rtc_event_log.h"
-
-#include <deque>
-
-#include "webrtc/base/checks.h"
-#include "webrtc/base/criticalsection.h"
-#include "webrtc/base/thread_annotations.h"
-#include "webrtc/call.h"
-#include "webrtc/modules/rtp_rtcp/source/byte_io.h"
-#include "webrtc/system_wrappers/interface/clock.h"
-#include "webrtc/system_wrappers/interface/file_wrapper.h"
-
-#ifdef ENABLE_RTC_EVENT_LOG
-// Files generated at build-time by the protobuf compiler.
-#ifdef WEBRTC_ANDROID_PLATFORM_BUILD
-#include "external/webrtc/webrtc/video/rtc_event_log.pb.h"
-#else
-#include "webrtc/video/rtc_event_log.pb.h"
-#endif
-#endif
-
-namespace webrtc {
-
-#ifndef ENABLE_RTC_EVENT_LOG
-
-// No-op implementation if flag is not set.
-class RtcEventLogImpl final : public RtcEventLog {
- public:
-  void StartLogging(const std::string& file_name, int duration_ms) override {}
-  void StopLogging(void) override {}
-  void LogVideoReceiveStreamConfig(
-      const VideoReceiveStream::Config& config) override {}
-  void LogVideoSendStreamConfig(
-      const VideoSendStream::Config& config) override {}
-  void LogRtpHeader(bool incoming,
-                    MediaType media_type,
-                    const uint8_t* header,
-                    size_t packet_length) override {}
-  void LogRtcpPacket(bool incoming,
-                     MediaType media_type,
-                     const uint8_t* packet,
-                     size_t length) override {}
-  void LogAudioPlayout(uint32_t ssrc) override {}
-};
-
-#else  // ENABLE_RTC_EVENT_LOG is defined
-
-class RtcEventLogImpl final : public RtcEventLog {
- public:
-  RtcEventLogImpl();
-
-  void StartLogging(const std::string& file_name, int duration_ms) override;
-  void StopLogging() override;
-  void LogVideoReceiveStreamConfig(
-      const VideoReceiveStream::Config& config) override;
-  void LogVideoSendStreamConfig(const VideoSendStream::Config& config) override;
-  void LogRtpHeader(bool incoming,
-                    MediaType media_type,
-                    const uint8_t* header,
-                    size_t packet_length) override;
-  void LogRtcpPacket(bool incoming,
-                     MediaType media_type,
-                     const uint8_t* packet,
-                     size_t length) override;
-  void LogAudioPlayout(uint32_t ssrc) override;
-
- private:
-  // Stops logging and clears the stored data and buffers.
-  void StopLoggingLocked() EXCLUSIVE_LOCKS_REQUIRED(crit_);
-  // Adds a new event to the logfile if logging is active, or adds it to the
-  // list of recent log events otherwise.
-  void HandleEvent(rtclog::Event* event) EXCLUSIVE_LOCKS_REQUIRED(crit_);
-  // Writes the event to the file. Note that this will destroy the state of the
-  // input argument.
-  void StoreToFile(rtclog::Event* event) EXCLUSIVE_LOCKS_REQUIRED(crit_);
-  // Adds the event to the list of recent events, and removes any events that
-  // are too old and no longer fall in the time window.
-  void AddRecentEvent(const rtclog::Event& event)
-      EXCLUSIVE_LOCKS_REQUIRED(crit_);
-
-  // Amount of time in microseconds to record log events, before starting the
-  // actual log.
-  const int recent_log_duration_us = 10000000;
-
-  rtc::CriticalSection crit_;
-  rtc::scoped_ptr<FileWrapper> file_ GUARDED_BY(crit_);
-  rtclog::EventStream stream_ GUARDED_BY(crit_);
-  std::deque<rtclog::Event> recent_log_events_ GUARDED_BY(crit_);
-  bool currently_logging_ GUARDED_BY(crit_);
-  int64_t start_time_us_ GUARDED_BY(crit_);
-  int64_t duration_us_ GUARDED_BY(crit_);
-  const Clock* const clock_;
-};
-
-namespace {
-// The functions in this namespace convert enums from the runtime format
-// that the rest of the WebRtc project can use, to the corresponding
-// serialized enum which is defined by the protobuf.
-
-// Do not add default return values to the conversion functions in this
-// unnamed namespace. The intention is to make the compiler warn if anyone
-// adds unhandled new events/modes/etc.
-
-rtclog::VideoReceiveConfig_RtcpMode ConvertRtcpMode(
-    newapi::RtcpMode rtcp_mode) {
-  switch (rtcp_mode) {
-    case newapi::kRtcpCompound:
-      return rtclog::VideoReceiveConfig::RTCP_COMPOUND;
-    case newapi::kRtcpReducedSize:
-      return rtclog::VideoReceiveConfig::RTCP_REDUCEDSIZE;
-  }
-  RTC_NOTREACHED();
-  return rtclog::VideoReceiveConfig::RTCP_COMPOUND;
-}
-
-rtclog::MediaType ConvertMediaType(MediaType media_type) {
-  switch (media_type) {
-    case MediaType::ANY:
-      return rtclog::MediaType::ANY;
-    case MediaType::AUDIO:
-      return rtclog::MediaType::AUDIO;
-    case MediaType::VIDEO:
-      return rtclog::MediaType::VIDEO;
-    case MediaType::DATA:
-      return rtclog::MediaType::DATA;
-  }
-  RTC_NOTREACHED();
-  return rtclog::ANY;
-}
-
-}  // namespace
-
-// RtcEventLogImpl member functions.
-RtcEventLogImpl::RtcEventLogImpl()
-    : file_(FileWrapper::Create()),
-      stream_(),
-      currently_logging_(false),
-      start_time_us_(0),
-      duration_us_(0),
-      clock_(Clock::GetRealTimeClock()) {
-}
-
-void RtcEventLogImpl::StartLogging(const std::string& file_name,
-                                   int duration_ms) {
-  rtc::CritScope lock(&crit_);
-  if (currently_logging_) {
-    StopLoggingLocked();
-  }
-  if (file_->OpenFile(file_name.c_str(), false) != 0) {
-    return;
-  }
-  currently_logging_ = true;
-  start_time_us_ = clock_->TimeInMicroseconds();
-  duration_us_ = static_cast<int64_t>(duration_ms) * 1000;
-  // Write all the recent events to the log file, ignoring any old events.
-  for (auto& event : recent_log_events_) {
-    if (event.timestamp_us() >= start_time_us_ - recent_log_duration_us) {
-      StoreToFile(&event);
-    }
-  }
-  recent_log_events_.clear();
-  // Write a LOG_START event to the file.
-  rtclog::Event start_event;
-  start_event.set_timestamp_us(start_time_us_);
-  start_event.set_type(rtclog::Event::DEBUG_EVENT);
-  auto debug_event = start_event.mutable_debug_event();
-  debug_event->set_type(rtclog::DebugEvent_EventType_LOG_START);
-  StoreToFile(&start_event);
-}
-
-void RtcEventLogImpl::StopLogging() {
-  rtc::CritScope lock(&crit_);
-  StopLoggingLocked();
-}
-
-void RtcEventLogImpl::LogVideoReceiveStreamConfig(
-    const VideoReceiveStream::Config& config) {
-  rtc::CritScope lock(&crit_);
-
-  rtclog::Event event;
-  const int64_t timestamp = clock_->TimeInMicroseconds();
-  event.set_timestamp_us(timestamp);
-  event.set_type(rtclog::Event::VIDEO_RECEIVER_CONFIG_EVENT);
-
-  rtclog::VideoReceiveConfig* receiver_config =
-      event.mutable_video_receiver_config();
-  receiver_config->set_remote_ssrc(config.rtp.remote_ssrc);
-  receiver_config->set_local_ssrc(config.rtp.local_ssrc);
-
-  receiver_config->set_rtcp_mode(ConvertRtcpMode(config.rtp.rtcp_mode));
-
-  receiver_config->set_receiver_reference_time_report(
-      config.rtp.rtcp_xr.receiver_reference_time_report);
-  receiver_config->set_remb(config.rtp.remb);
-
-  for (const auto& kv : config.rtp.rtx) {
-    rtclog::RtxMap* rtx = receiver_config->add_rtx_map();
-    rtx->set_payload_type(kv.first);
-    rtx->mutable_config()->set_rtx_ssrc(kv.second.ssrc);
-    rtx->mutable_config()->set_rtx_payload_type(kv.second.payload_type);
-  }
-
-  for (const auto& e : config.rtp.extensions) {
-    rtclog::RtpHeaderExtension* extension =
-        receiver_config->add_header_extensions();
-    extension->set_name(e.name);
-    extension->set_id(e.id);
-  }
-
-  for (const auto& d : config.decoders) {
-    rtclog::DecoderConfig* decoder = receiver_config->add_decoders();
-    decoder->set_name(d.payload_name);
-    decoder->set_payload_type(d.payload_type);
-  }
-  // TODO(terelius): We should use a separate event queue for config events.
-  // The current approach of storing the configuration together with the
-  // RTP events causes the configuration information to be removed 10s
-  // after the ReceiveStream is created.
-  HandleEvent(&event);
-}
-
-void RtcEventLogImpl::LogVideoSendStreamConfig(
-    const VideoSendStream::Config& config) {
-  rtc::CritScope lock(&crit_);
-
-  rtclog::Event event;
-  const int64_t timestamp = clock_->TimeInMicroseconds();
-  event.set_timestamp_us(timestamp);
-  event.set_type(rtclog::Event::VIDEO_SENDER_CONFIG_EVENT);
-
-  rtclog::VideoSendConfig* sender_config = event.mutable_video_sender_config();
-
-  for (const auto& ssrc : config.rtp.ssrcs) {
-    sender_config->add_ssrcs(ssrc);
-  }
-
-  for (const auto& e : config.rtp.extensions) {
-    rtclog::RtpHeaderExtension* extension =
-        sender_config->add_header_extensions();
-    extension->set_name(e.name);
-    extension->set_id(e.id);
-  }
-
-  for (const auto& rtx_ssrc : config.rtp.rtx.ssrcs) {
-    sender_config->add_rtx_ssrcs(rtx_ssrc);
-  }
-  sender_config->set_rtx_payload_type(config.rtp.rtx.payload_type);
-
-  sender_config->set_c_name(config.rtp.c_name);
-
-  rtclog::EncoderConfig* encoder = sender_config->mutable_encoder();
-  encoder->set_name(config.encoder_settings.payload_name);
-  encoder->set_payload_type(config.encoder_settings.payload_type);
-
-  // TODO(terelius): We should use a separate event queue for config events.
-  // The current approach of storing the configuration together with the
-  // RTP events causes the configuration information to be removed 10s
-  // after the ReceiveStream is created.
-  HandleEvent(&event);
-}
-
-void RtcEventLogImpl::LogRtpHeader(bool incoming,
-                                   MediaType media_type,
-                                   const uint8_t* header,
-                                   size_t packet_length) {
-  // Read header length (in bytes) from packet data.
-  if (packet_length < 12u) {
-    return;  // Don't read outside the packet.
-  }
-  const bool x = (header[0] & 0x10) != 0;
-  const uint8_t cc = header[0] & 0x0f;
-  size_t header_length = 12u + cc * 4u;
-
-  if (x) {
-    if (packet_length < 12u + cc * 4u + 4u) {
-      return;  // Don't read outside the packet.
-    }
-    size_t x_len = ByteReader<uint16_t>::ReadBigEndian(header + 14 + cc * 4);
-    header_length += (x_len + 1) * 4;
-  }
-
-  rtc::CritScope lock(&crit_);
-  rtclog::Event rtp_event;
-  const int64_t timestamp = clock_->TimeInMicroseconds();
-  rtp_event.set_timestamp_us(timestamp);
-  rtp_event.set_type(rtclog::Event::RTP_EVENT);
-  rtp_event.mutable_rtp_packet()->set_incoming(incoming);
-  rtp_event.mutable_rtp_packet()->set_type(ConvertMediaType(media_type));
-  rtp_event.mutable_rtp_packet()->set_packet_length(packet_length);
-  rtp_event.mutable_rtp_packet()->set_header(header, header_length);
-  HandleEvent(&rtp_event);
-}
-
-void RtcEventLogImpl::LogRtcpPacket(bool incoming,
-                                    MediaType media_type,
-                                    const uint8_t* packet,
-                                    size_t length) {
-  rtc::CritScope lock(&crit_);
-  rtclog::Event rtcp_event;
-  const int64_t timestamp = clock_->TimeInMicroseconds();
-  rtcp_event.set_timestamp_us(timestamp);
-  rtcp_event.set_type(rtclog::Event::RTCP_EVENT);
-  rtcp_event.mutable_rtcp_packet()->set_incoming(incoming);
-  rtcp_event.mutable_rtcp_packet()->set_type(ConvertMediaType(media_type));
-  rtcp_event.mutable_rtcp_packet()->set_packet_data(packet, length);
-  HandleEvent(&rtcp_event);
-}
-
-void RtcEventLogImpl::LogAudioPlayout(uint32_t ssrc) {
-  rtc::CritScope lock(&crit_);
-  rtclog::Event event;
-  const int64_t timestamp = clock_->TimeInMicroseconds();
-  event.set_timestamp_us(timestamp);
-  event.set_type(rtclog::Event::DEBUG_EVENT);
-  auto debug_event = event.mutable_debug_event();
-  debug_event->set_type(rtclog::DebugEvent_EventType_AUDIO_PLAYOUT);
-  debug_event->set_local_ssrc(ssrc);
-  HandleEvent(&event);
-}
-
-void RtcEventLogImpl::StopLoggingLocked() {
-  if (currently_logging_) {
-    currently_logging_ = false;
-    // Create a LogEnd debug event
-    rtclog::Event event;
-    int64_t timestamp = clock_->TimeInMicroseconds();
-    event.set_timestamp_us(timestamp);
-    event.set_type(rtclog::Event::DEBUG_EVENT);
-    auto debug_event = event.mutable_debug_event();
-    debug_event->set_type(rtclog::DebugEvent_EventType_LOG_END);
-    // Store the event and close the file
-    RTC_DCHECK(file_->Open());
-    StoreToFile(&event);
-    file_->CloseFile();
-  }
-  RTC_DCHECK(!file_->Open());
-  stream_.Clear();
-}
-
-void RtcEventLogImpl::HandleEvent(rtclog::Event* event) {
-  if (currently_logging_) {
-    if (clock_->TimeInMicroseconds() < start_time_us_ + duration_us_) {
-      StoreToFile(event);
-      return;
-    }
-    StopLoggingLocked();
-  }
-  AddRecentEvent(*event);
-}
-
-void RtcEventLogImpl::StoreToFile(rtclog::Event* event) {
-  // Reuse the same object at every log event.
-  if (stream_.stream_size() < 1) {
-    stream_.add_stream();
-  }
-  RTC_DCHECK_EQ(stream_.stream_size(), 1);
-  stream_.mutable_stream(0)->Swap(event);
-  // TODO(terelius): Doesn't this create a new EventStream per event?
-  // Is this guaranteed to work e.g. in future versions of protobuf?
-  std::string dump_buffer;
-  stream_.SerializeToString(&dump_buffer);
-  file_->Write(dump_buffer.data(), dump_buffer.size());
-}
-
-void RtcEventLogImpl::AddRecentEvent(const rtclog::Event& event) {
-  recent_log_events_.push_back(event);
-  while (recent_log_events_.front().timestamp_us() <
-         event.timestamp_us() - recent_log_duration_us) {
-    recent_log_events_.pop_front();
-  }
-}
-
-bool RtcEventLog::ParseRtcEventLog(const std::string& file_name,
-                                   rtclog::EventStream* result) {
-  char tmp_buffer[1024];
-  int bytes_read = 0;
-  rtc::scoped_ptr<FileWrapper> dump_file(FileWrapper::Create());
-  if (dump_file->OpenFile(file_name.c_str(), true) != 0) {
-    return false;
-  }
-  std::string dump_buffer;
-  while ((bytes_read = dump_file->Read(tmp_buffer, sizeof(tmp_buffer))) > 0) {
-    dump_buffer.append(tmp_buffer, bytes_read);
-  }
-  dump_file->CloseFile();
-  return result->ParseFromString(dump_buffer);
-}
-
-#endif  // ENABLE_RTC_EVENT_LOG
-
-// RtcEventLog member functions.
-rtc::scoped_ptr<RtcEventLog> RtcEventLog::Create() {
-  return rtc::scoped_ptr<RtcEventLog>(new RtcEventLogImpl());
-}
-}  // namespace webrtc