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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <limits> | 5 #include <limits> |
| 6 | 6 |
| 7 #include "base/file_util.h" | 7 #include "base/file_util.h" |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "base/utf_string_conversions.h" | 9 #include "base/utf_string_conversions.h" |
| 10 #include "media/base/filter_host.h" | 10 #include "media/base/filter_host.h" |
| 11 #include "media/base/filters.h" | 11 #include "media/base/filters.h" |
| 12 #include "media/base/pipeline.h" | 12 #include "media/base/pipeline.h" |
| 13 #include "media/filters/file_data_source.h" | 13 #include "media/filters/file_data_source.h" |
| 14 | 14 |
| 15 namespace media { | 15 namespace media { |
| 16 | 16 |
| 17 FileDataSource::FileDataSource() | 17 FileDataSource::FileDataSource() |
| 18 : file_(NULL), | 18 : file_(NULL), |
| 19 file_size_(0), | 19 file_size_(0), |
| 20 disable_file_size_(false) { | 20 disable_file_size_(false) { |
| 21 } | 21 } |
| 22 | 22 |
| 23 FileDataSource::FileDataSource(bool disable_file_size) | 23 FileDataSource::FileDataSource(bool disable_file_size) |
| 24 : file_(NULL), | 24 : file_(NULL), |
| 25 file_size_(0), | 25 file_size_(0), |
| 26 disable_file_size_(disable_file_size) { | 26 disable_file_size_(disable_file_size) { |
| 27 } | 27 } |
| 28 | 28 |
| 29 FileDataSource::~FileDataSource() { | |
| 30 DCHECK(!file_); | |
| 31 } | |
| 32 | |
| 33 PipelineStatus FileDataSource::Initialize(const std::string& url) { | 29 PipelineStatus FileDataSource::Initialize(const std::string& url) { |
| 34 DCHECK(!file_); | 30 DCHECK(!file_); |
| 35 #if defined(OS_WIN) | 31 #if defined(OS_WIN) |
| 36 FilePath file_path(UTF8ToWide(url)); | 32 FilePath file_path(UTF8ToWide(url)); |
| 37 #else | 33 #else |
| 38 FilePath file_path(url); | 34 FilePath file_path(url); |
| 39 #endif | 35 #endif |
| 40 if (file_util::GetFileSize(file_path, &file_size_)) { | 36 if (file_util::GetFileSize(file_path, &file_size_)) { |
| 41 file_ = file_util::OpenFile(file_path, "rb"); | 37 file_ = file_util::OpenFile(file_path, "rb"); |
| 42 } | 38 } |
| 43 if (!file_) { | 39 if (!file_) { |
| 44 file_size_ = 0; | 40 file_size_ = 0; |
| 45 return PIPELINE_ERROR_URL_NOT_FOUND; | 41 return PIPELINE_ERROR_URL_NOT_FOUND; |
| 46 } | 42 } |
| 47 UpdateHostBytes(); | 43 UpdateHostBytes(); |
| 48 | 44 |
| 49 return PIPELINE_OK; | 45 return PIPELINE_OK; |
| 50 } | 46 } |
| 51 | 47 |
| 52 void FileDataSource::set_host(DataSourceHost* host) { | 48 void FileDataSource::set_host(DataSourceHost* host) { |
| 53 DataSource::set_host(host); | 49 DataSource::set_host(host); |
| 54 UpdateHostBytes(); | 50 UpdateHostBytes(); |
| 55 } | 51 } |
| 56 | 52 |
| 57 void FileDataSource::UpdateHostBytes() { | |
| 58 if (host() && file_) { | |
| 59 host()->SetTotalBytes(file_size_); | |
| 60 host()->SetBufferedBytes(file_size_); | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 void FileDataSource::Stop(const base::Closure& callback) { | 53 void FileDataSource::Stop(const base::Closure& callback) { |
| 65 base::AutoLock l(lock_); | 54 base::AutoLock l(lock_); |
| 66 if (file_) { | 55 if (file_) { |
| 67 file_util::CloseFile(file_); | 56 file_util::CloseFile(file_); |
| 68 file_ = NULL; | 57 file_ = NULL; |
| 69 file_size_ = 0; | 58 file_size_ = 0; |
| 70 } | 59 } |
| 71 if (!callback.is_null()) | 60 if (!callback.is_null()) |
| 72 callback.Run(); | 61 callback.Run(); |
| 73 } | 62 } |
| (...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 107 *size_out = file_size_; | 96 *size_out = file_size_; |
| 108 return (NULL != file_ && !disable_file_size_); | 97 return (NULL != file_ && !disable_file_size_); |
| 109 } | 98 } |
| 110 | 99 |
| 111 bool FileDataSource::IsStreaming() { | 100 bool FileDataSource::IsStreaming() { |
| 112 return false; | 101 return false; |
| 113 } | 102 } |
| 114 | 103 |
| 115 void FileDataSource::SetBitrate(int bitrate) {} | 104 void FileDataSource::SetBitrate(int bitrate) {} |
| 116 | 105 |
| 106 FileDataSource::~FileDataSource() { |
| 107 DCHECK(!file_); |
| 108 } |
| 109 |
| 110 void FileDataSource::UpdateHostBytes() { |
| 111 if (host() && file_) { |
| 112 host()->SetTotalBytes(file_size_); |
| 113 host()->SetBufferedBytes(file_size_); |
| 114 } |
| 115 } |
| 116 |
| 117 } // namespace media | 117 } // namespace media |
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