| // 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_TOOLS_PLAYER_X11_DATA_SOURCE_LOGGER_H_ |
| #define MEDIA_TOOLS_PLAYER_X11_DATA_SOURCE_LOGGER_H_ |
| |
| #include "media/base/data_source.h" |
| |
| // Logs all DataSource operations to VLOG(1) for debugging purposes. |
| class DataSourceLogger : public media::DataSource { |
| public: |
| // Constructs a DataSourceLogger to log operations against another DataSource. |
| // |
| // |data_source| must be initialized in advance. |
| // |
| // |streaming| when set to true will override the implementation |
| // IsStreaming() to always return true, otherwise it will delegate to |
| // |data_source|. |
| DataSourceLogger(scoped_ptr<DataSource> data_source, |
| bool force_streaming); |
| ~DataSourceLogger() override; |
| |
| // media::DataSource implementation. |
| void Stop() override; |
| void Read(int64 position, |
| int size, |
| uint8* data, |
| const media::DataSource::ReadCB& read_cb) override; |
| bool GetSize(int64* size_out) override; |
| bool IsStreaming() override; |
| void SetBitrate(int bitrate) override; |
| |
| private: |
| scoped_ptr<media::DataSource> data_source_; |
| bool streaming_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DataSourceLogger); |
| }; |
| |
| #endif // MEDIA_TOOLS_PLAYER_X11_DATA_SOURCE_LOGGER_H_ |