media: Support better decoder switching

media/base/mock_filters.cc

 // 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.
 
 #include "media/base/mock_filters.h"
 
 #include "base/logging.h"
 
 using ::testing::_;
 using ::testing::Return;
@@ skipping 70 matching lines @@
 }
 
 void MockDemuxerStream::set_liveness(DemuxerStream::Liveness liveness) {
   liveness_ = liveness;
 }
 
 VideoRotation MockDemuxerStream::video_rotation() {
   return VIDEO_ROTATION_0;
 }
 
-std::string MockVideoDecoder::GetDisplayName() const {
-  return "MockVideoDecoder";
-}
-
-MockVideoDecoder::MockVideoDecoder() {
+MockVideoDecoder::MockVideoDecoder(const std::string& decoder_name)
+    : decoder_name_(decoder_name) {
   ON_CALL(*this, CanReadWithoutStalling()).WillByDefault(Return(true));
 }
 
-std::string MockAudioDecoder::GetDisplayName() const {
-  return "MockAudioDecoder";
-}
-
 MockVideoDecoder::~MockVideoDecoder() {}
 
-MockAudioDecoder::MockAudioDecoder() {}
+std::string MockVideoDecoder::GetDisplayName() const {
+  return decoder_name_.empty() ? "MockVideoDecoder" : decoder_name_;
+}
 
+MockAudioDecoder::MockAudioDecoder(const std::string& decoder_name)
+    : decoder_name_(decoder_name) {}
 MockAudioDecoder::~MockAudioDecoder() {}
 
+std::string MockAudioDecoder::GetDisplayName() const {
+  return decoder_name_.empty() ? "MockAudioDecoder" : decoder_name_;
+}
+
 MockRendererClient::MockRendererClient() {}
 
 MockRendererClient::~MockRendererClient() {}
 
 MockVideoRenderer::MockVideoRenderer() {}
 
 MockVideoRenderer::~MockVideoRenderer() {}
 
 MockAudioRenderer::MockAudioRenderer() {}
 
@@ skipping 172 matching lines @@
 void MockCdmFactory::SetBeforeCreationCB(
     const base::Closure& before_creation_cb) {
   before_creation_cb_ = before_creation_cb;
 }
 
 MockStreamParser::MockStreamParser() {}
 
 MockStreamParser::~MockStreamParser() {}
 
 }  // namespace media