MediaResource refactoring to support multiple streams

media/base/fake_demuxer_stream.h

 // 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.
 
 #ifndef MEDIA_BASE_FAKE_DEMUXER_STREAM_H_
 #define MEDIA_BASE_FAKE_DEMUXER_STREAM_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/demuxer_stream.h"
-#include "media/base/demuxer_stream_provider.h"
+#include "media/base/media_resource.h"
 #include "media/base/video_decoder_config.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace media {
 
 class FakeDemuxerStream : public DemuxerStream {
  public:
   // Constructs an object that outputs |num_configs| different configs in
   // sequence with |num_frames_in_one_config| buffers for each config. The
   // output buffers are encrypted if |is_encrypted| is true.
   FakeDemuxerStream(int num_configs,
                     int num_buffers_in_one_config,
                     bool is_encrypted);
   ~FakeDemuxerStream() override;
 
   // DemuxerStream implementation.
   void Read(const ReadCB& read_cb) override;
   AudioDecoderConfig audio_decoder_config() override;
   VideoDecoderConfig video_decoder_config() override;
   Type type() const override;
   bool SupportsConfigChanges() override;
   VideoRotation video_rotation() override;
   bool enabled() const override;
   void set_enabled(bool enabled, base::TimeDelta timestamp) override;
-  void SetStreamStatusChangeCB(const StreamStatusChangeCB& cb) override;
 
   void Initialize();
 
   int num_buffers_returned() const { return num_buffers_returned_; }
 
   // Upon the next read, holds the read callback until SatisfyRead() or Reset()
   // is called.
   void HoldNextRead();
 
   // Upon the next config change read, holds the read callback until
@@ skipping 45 matching lines @@
   ReadCB read_cb_;
 
   int next_read_num_;
   // Zero-based number indicating which read operation should be held. -1 means
   // no read shall be held.
   int read_to_hold_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeDemuxerStream);
 };
 
-class FakeDemuxerStreamProvider : public DemuxerStreamProvider {
+class FakeMediaResource : public MediaResource {
  public:
   // Note: FakeDemuxerStream currently only supports a fake video DemuxerStream.
-  FakeDemuxerStreamProvider(int num_video_configs,
-                            int num_video_buffers_in_one_config,
-                            bool is_video_encrypted);
-  ~FakeDemuxerStreamProvider() override;
+  FakeMediaResource(int num_video_configs,
+                    int num_video_buffers_in_one_config,
+                    bool is_video_encrypted);
+  ~FakeMediaResource() override;
 
-  // DemuxerStreamProvider implementation.
-  DemuxerStream* GetStream(DemuxerStream::Type type) override;
+  // MediaResource implementation.
+  std::vector<DemuxerStream*> GetStreams() override;
+  void SetStreamStatusChangeCB(const StreamStatusChangeCB& cb) override;
 
  private:
   FakeDemuxerStream fake_video_stream_;
 
-  DISALLOW_COPY_AND_ASSIGN(FakeDemuxerStreamProvider);
+  DISALLOW_COPY_AND_ASSIGN(FakeMediaResource);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_FAKE_DEMUXER_STREAM_H_