Separate DemuxerStream and VideoDecoder.

media/base/test_helpers.h

 // Copyright (c) 2012 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.
 
 #ifndef MEDIA_BASE_TEST_HELPERS_H_
 #define MEDIA_BASE_TEST_HELPERS_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/sample_format.h"
 #include "media/base/video_decoder_config.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "ui/gfx/size.h"
 
 namespace base {
 class MessageLoop;
 class TimeDelta;
 }
 
 namespace media {
 
 class AudioBuffer;
+class DecoderBuffer;
 
 // Return a callback that expects to be run once.
 base::Closure NewExpectedClosure();
 PipelineStatusCB NewExpectedStatusCB(PipelineStatus status);
 
 // Helper class for running a message loop until a callback has run. Useful for
 // testing classes that run on more than a single thread.
 //
 // Events are intended for single use and cannot be reset.
 class WaitableMessageLoopEvent {
@@ skipping 87 matching lines @@
 // to 1 second per frame, to simplify calculations.
 template <class T>
 scoped_refptr<AudioBuffer> MakePlanarAudioBuffer(
     SampleFormat format,
     int channels,
     T start,
     T increment,
     int frames,
     base::TimeDelta start_time);
 
+// Create a fake video DecoderBuffer for testing purpose. The buffer contains
+// part of video decoder config info embedded so that the testing code can do
+// some sanity check.
+scoped_refptr<DecoderBuffer> CreateFakeVideoBufferForTest(
+    const VideoDecoderConfig& config,
+    base::TimeDelta timestamp,
+    base::TimeDelta duration);
+
+// Verify if a fake video DecoderBuffer is valid.
+bool VerifyFakeVideoBufferForTest(const scoped_refptr<DecoderBuffer>& buffer,
+                                  const VideoDecoderConfig& config);
+
 }  // namespace media
 
 #endif  // MEDIA_BASE_TEST_HELPERS_H_