1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MEDIA_TOOLS_PLAYER_X11_DATA_SOURCE_LOGGER_H_ 6 #define MEDIA_TOOLS_PLAYER_X11_DATA_SOURCE_LOGGER_H_ 7 8 #include "media/base/data_source.h" 9 10 // Logs all DataSource operations to VLOG(1) for debugging purposes. 11 class DataSourceLogger : public media::DataSource { 12 public: 13 // Constructs a DataSourceLogger to log operations against another DataSource. 14 // 15 // |data_source| must be initialized in advance. 16 // 17 // |streaming| when set to true will override the implementation 18 // IsStreaming() to always return true, otherwise it will delegate to 19 // |data_source|. 20 DataSourceLogger(scoped_ptr<DataSource> data_source, 21 bool force_streaming); 22 virtual ~DataSourceLogger(); 23 24 // media::DataSource implementation. 25 virtual void set_host(media::DataSourceHost* host) OVERRIDE; 26 virtual void Stop(const base::Closure& closure) OVERRIDE; 27 virtual void Read( 28 int64 position, int size, uint8* data, 29 const media::DataSource::ReadCB& read_cb) OVERRIDE; 30 virtual bool GetSize(int64* size_out) OVERRIDE; 31 virtual bool IsStreaming() OVERRIDE; 32 virtual void SetBitrate(int bitrate) OVERRIDE; 33 34 private: 35 scoped_ptr<media::DataSource> data_source_; 36 bool streaming_; 37 38 DISALLOW_COPY_AND_ASSIGN(DataSourceLogger); 39 }; 40 41 #endif // MEDIA_TOOLS_PLAYER_X11_DATA_SOURCE_LOGGER_H_ 42
