Add SupportsConfigChanges() to DemuxerStream.

media/filters/fake_demuxer_stream.cc

 // Copyright (c) 2013 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/fake_demuxer_stream.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 18 matching lines @@
   0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 };
 
 FakeDemuxerStream::FakeDemuxerStream(int num_configs,
                                      int num_buffers_in_one_config,
                                      bool is_encrypted)
     : task_runner_(base::MessageLoopProxy::current()),
       num_configs_left_(num_configs),
       num_buffers_in_one_config_(num_buffers_in_one_config),
+      config_changes_(num_configs > 1),
       is_encrypted_(is_encrypted),
       num_buffers_left_in_current_config_(num_buffers_in_one_config),
       num_buffers_returned_(0),
       current_timestamp_(base::TimeDelta::FromMilliseconds(kStartTimestampMs)),
       duration_(base::TimeDelta::FromMilliseconds(kDurationMs)),
       next_coded_size_(kStartWidth, kStartHeight),
       next_read_num_(0),
       read_to_hold_(-1) {
   DCHECK_GT(num_configs_left_, 0);
   DCHECK_GT(num_buffers_in_one_config_, 0);
@@ skipping 29 matching lines @@
 // TODO(xhwang): Support audio if needed.
 DemuxerStream::Type FakeDemuxerStream::type() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   return VIDEO;
 }
 
 void FakeDemuxerStream::EnableBitstreamConverter() {
   DCHECK(task_runner_->BelongsToCurrentThread());
 }
 
+bool FakeDemuxerStream::SupportsConfigChanges() {
+  return config_changes_;
+}
+
 void FakeDemuxerStream::HoldNextRead() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   read_to_hold_ = next_read_num_;
 }
 
 void FakeDemuxerStream::HoldNextConfigChangeRead() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   // Set |read_to_hold_| to be the next config change read.
   read_to_hold_ = next_read_num_ + num_buffers_in_one_config_ -
                   next_read_num_ % (num_buffers_in_one_config_ + 1);
@@ skipping 61 matching lines @@
 
   num_buffers_left_in_current_config_--;
   if (num_buffers_left_in_current_config_ == 0)
     num_configs_left_--;
 
   num_buffers_returned_++;
   base::ResetAndReturn(&read_cb_).Run(kOk, buffer);
 }
 
 }  // namespace media