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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 "media/filters/file_data_source.h" | 5 #include "media/filters/file_data_source.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 | 10 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 24 } | 24 } |
| 25 | 25 |
| 26 bool FileDataSource::Initialize(const base::FilePath& file_path) { | 26 bool FileDataSource::Initialize(const base::FilePath& file_path) { |
| 27 DCHECK(!file_.IsValid()); | 27 DCHECK(!file_.IsValid()); |
| 28 return file_.Initialize(file_path); | 28 return file_.Initialize(file_path); |
| 29 } | 29 } |
| 30 | 30 |
| 31 void FileDataSource::Stop() { | 31 void FileDataSource::Stop() { |
| 32 } | 32 } |
| 33 | 33 |
| 34 void FileDataSource::Read(int64 position, int size, uint8* data, | 34 void FileDataSource::Read(int64_t position, |
| 35 int size, |
| 36 uint8_t* data, |
| 35 const DataSource::ReadCB& read_cb) { | 37 const DataSource::ReadCB& read_cb) { |
| 36 if (force_read_errors_ || !file_.IsValid()) { | 38 if (force_read_errors_ || !file_.IsValid()) { |
| 37 read_cb.Run(kReadError); | 39 read_cb.Run(kReadError); |
| 38 return; | 40 return; |
| 39 } | 41 } |
| 40 | 42 |
| 41 int64 file_size = file_.length(); | 43 int64_t file_size = file_.length(); |
| 42 | 44 |
| 43 CHECK_GE(file_size, 0); | 45 CHECK_GE(file_size, 0); |
| 44 CHECK_GE(position, 0); | 46 CHECK_GE(position, 0); |
| 45 CHECK_GE(size, 0); | 47 CHECK_GE(size, 0); |
| 46 | 48 |
| 47 // Cap position and size within bounds. | 49 // Cap position and size within bounds. |
| 48 position = std::min(position, file_size); | 50 position = std::min(position, file_size); |
| 49 int64 clamped_size = std::min(static_cast<int64>(size), file_size - position); | 51 int64_t clamped_size = |
| 52 std::min(static_cast<int64_t>(size), file_size - position); |
| 50 | 53 |
| 51 memcpy(data, file_.data() + position, clamped_size); | 54 memcpy(data, file_.data() + position, clamped_size); |
| 52 bytes_read_ += clamped_size; | 55 bytes_read_ += clamped_size; |
| 53 read_cb.Run(clamped_size); | 56 read_cb.Run(clamped_size); |
| 54 } | 57 } |
| 55 | 58 |
| 56 bool FileDataSource::GetSize(int64* size_out) { | 59 bool FileDataSource::GetSize(int64_t* size_out) { |
| 57 *size_out = file_.length(); | 60 *size_out = file_.length(); |
| 58 return true; | 61 return true; |
| 59 } | 62 } |
| 60 | 63 |
| 61 bool FileDataSource::IsStreaming() { | 64 bool FileDataSource::IsStreaming() { |
| 62 return force_streaming_; | 65 return force_streaming_; |
| 63 } | 66 } |
| 64 | 67 |
| 65 void FileDataSource::SetBitrate(int bitrate) {} | 68 void FileDataSource::SetBitrate(int bitrate) {} |
| 66 | 69 |
| 67 FileDataSource::~FileDataSource() {} | 70 FileDataSource::~FileDataSource() {} |
| 68 | 71 |
| 69 } // namespace media | 72 } // namespace media |
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