DecoderStream: Check that no pending decode when flush is finished.

media/filters/decoder_stream.cc

 // Copyright 2014 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 "media/filters/decoder_stream.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/debug/trace_event.h"
 #include "base/location.h"
@@ skipping 284 matching lines @@
   FUNCTION_DVLOG(2) << ": " << status;
   DCHECK(state_ == STATE_NORMAL || state_ == STATE_FLUSHING_DECODER ||
          state_ == STATE_PENDING_DEMUXER_READ || state_ == STATE_ERROR)
       << state_;
   DCHECK_GT(pending_decode_requests_, 0);
 
   --pending_decode_requests_;
 
   TRACE_EVENT_ASYNC_END0("media", GetTraceString<StreamType>(), this);
 
-  if (end_of_stream)
+  if (end_of_stream) {
+    DCHECK(!pending_decode_requests_);
     decoding_eos_ = false;
+  }
 
   if (state_ == STATE_ERROR) {
     DCHECK(read_cb_.is_null());
     return;
   }
 
   // Drop decoding result if Reset() was called during decoding.
   // The resetting process will be handled when the decoder is reset.
   if (!reset_cb_.is_null())
     return;
@@ skipping 234 matching lines @@
   }
 
   // The resetting process will be continued in OnDecoderReinitialized().
   ReinitializeDecoder();
 }
 
 template class DecoderStream<DemuxerStream::VIDEO>;
 template class DecoderStream<DemuxerStream::AUDIO>;
 
 }  // namespace media