Refactor RtpSender and SSRCDatabase a bit.

webrtc/base/timing.cc

 /*
  *  Copyright 2008 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/base/timing.h"
 #include "webrtc/base/timeutils.h"
 
 #if defined(WEBRTC_POSIX)
 #include <errno.h>
 #include <math.h>
 #include <sys/time.h>
 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
 #include <mach/mach.h>
 #include <mach/clock.h>
 #endif
 #elif defined(WEBRTC_WIN)
 #include <sys/timeb.h>
-#include "webrtc/base/win32.h"
 #endif
 
 namespace rtc {
 
-Timing::Timing() {
-#if defined(WEBRTC_WIN)
-  // This may fail, but we handle failure gracefully in the methods
-  // that use it (use alternative sleep method).
-  //
-  // TODO: Make it possible for user to tell if IdleWait will
-  // be done at lesser resolution because of this.
-  timer_handle_ = CreateWaitableTimer(NULL,     // Security attributes.
-                                      FALSE,    // Manual reset?
-                                      NULL);    // Timer name.
-#endif
-}
+Timing::Timing() {}
 
-Timing::~Timing() {
-#if defined(WEBRTC_WIN)
-  if (timer_handle_ != NULL)
-    CloseHandle(timer_handle_);
-#endif
-}
+Timing::~Timing() {}
 
 // static
 double Timing::WallTimeNow() {
 #if defined(WEBRTC_POSIX)
   struct timeval time;
   gettimeofday(&time, NULL);
   // Convert from second (1.0) and microsecond (1e-6).
   return (static_cast<double>(time.tv_sec) +
           static_cast<double>(time.tv_usec) * 1.0e-6);
 
 #elif defined(WEBRTC_WIN)
   struct _timeb time;
   _ftime(&time);
   // Convert from second (1.0) and milliseconds (1e-3).
   return (static_cast<double>(time.time) +
           static_cast<double>(time.millitm) * 1.0e-3);
 #endif
 }
 
 double Timing::TimerNow() {
   return (static_cast<double>(TimeNanos()) / kNumNanosecsPerSec);
 }
 
-double Timing::BusyWait(double period) {
-  double start_time = TimerNow();
-  while (TimerNow() - start_time < period) {
-  }
-  return TimerNow() - start_time;
-}
-
-double Timing::IdleWait(double period) {
-  double start_time = TimerNow();
-
-#if defined(WEBRTC_POSIX)
-  double sec_int, sec_frac = modf(period, &sec_int);
-  struct timespec ts;
-  ts.tv_sec = static_cast<time_t>(sec_int);
-  ts.tv_nsec = static_cast<long>(sec_frac * 1.0e9);  // NOLINT
-
-  // NOTE(liulk): for the NOLINT above, long is the appropriate POSIX
-  // type.
-
-  // POSIX nanosleep may be interrupted by signals.
-  while (nanosleep(&ts, &ts) == -1 && errno == EINTR) {
-  }
-
-#elif defined(WEBRTC_WIN)
-  if (timer_handle_ != NULL) {
-    LARGE_INTEGER due_time;
-
-    // Negative indicates relative time.  The unit is 100 nanoseconds.
-    due_time.QuadPart = -LONGLONG(period * 1.0e7);
-
-    SetWaitableTimer(timer_handle_, &due_time, 0, NULL, NULL, TRUE);
-    WaitForSingleObject(timer_handle_, INFINITE);
-  } else {
-    // Still attempts to sleep with lesser resolution.
-    // The unit is in milliseconds.
-    Sleep(DWORD(period * 1.0e3));
-  }
-#endif
-
-  return TimerNow() - start_time;
-}
-
 }  // namespace rtc