Motown: Ffmpeg video decoder

services/media/framework_ffmpeg/ffmpeg_demux.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <condition_variable>
 #include <map>
 #include <mutex>
 #include <thread>
 
 #include "base/logging.h"
@@ skipping 217 matching lines @@
   result_ = Result::kOk;
   init_complete_.Occur();
 
   while (true) {
     bool packet_requested;
     int64_t seek_position;
     SeekCallback seek_callback;
 
     {
       std::unique_lock<std::mutex> lock(mutex_);
-      if (!packet_requested_ && !terminating_ &&
-          seek_position_ == kNotSeeking) {
+      while (!packet_requested_ && !terminating_ &&
+             seek_position_ == kNotSeeking) {
         condition_variable_.wait(lock);
       }
 
       if (terminating_) {
         return;
       }
 
       packet_requested = packet_requested_;
       packet_requested_ = false;
 
@@ skipping 90 matching lines @@
   return index_;
 }
 
 std::unique_ptr<StreamType> FfmpegDemuxImpl::FfmpegDemuxStream::stream_type()
     const {
   return SafeClone(stream_type_);
 }
 
 }  // namespace media
 }  // namespace mojo