Render inband text tracks in the media pipeline

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"
 #include "base/message_loop/message_loop.h"
 #include "media/base/bind_to_loop.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/test_helpers.h"
+#include "media/base/text_track.h"
 #include "media/base/video_frame.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 namespace media {
 
 static const int kStartTimestampMs = 0;
 static const int kDurationMs = 30;
 static const int kStartWidth = 320;
 static const int kStartHeight = 240;
@@ skipping 38 matching lines @@
   DCHECK(message_loop_->BelongsToCurrentThread());
   NOTREACHED();
   return AudioDecoderConfig();
 }
 
 VideoDecoderConfig FakeDemuxerStream::video_decoder_config() {
   DCHECK(message_loop_->BelongsToCurrentThread());
   return video_decoder_config_;
 }
 
+TextTrackConfig FakeDemuxerStream::text_track_config() {
+  DCHECK(message_loop_->BelongsToCurrentThread());
+  return TextTrackConfig();
+}
+
 // TODO(xhwang): Support audio if needed.
 DemuxerStream::Type FakeDemuxerStream::type() {
   DCHECK(message_loop_->BelongsToCurrentThread());
   return VIDEO;
 }
 
 void FakeDemuxerStream::EnableBitstreamConverter() {
   DCHECK(message_loop_->BelongsToCurrentThread());
 }
 
@@ skipping 65 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