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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "chrome/utility/media_galleries/media_metadata_parser.h" | 5 #include "chrome/utility/media_galleries/media_metadata_parser.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/location.h" | 10 #include "base/location.h" |
11 #include "base/memory/linked_ptr.h" | 11 #include "base/memory/linked_ptr.h" |
12 #include "base/strings/string_util.h" | 12 #include "base/strings/string_util.h" |
13 #include "base/task_runner_util.h" | 13 #include "base/task_runner_util.h" |
14 #include "base/threading/thread.h" | 14 #include "base/threading/thread.h" |
15 #include "chrome/utility/media_galleries/image_metadata_extractor.h" | |
16 #include "media/base/audio_video_metadata_extractor.h" | 15 #include "media/base/audio_video_metadata_extractor.h" |
17 #include "media/base/data_source.h" | 16 #include "media/base/data_source.h" |
18 #include "net/base/mime_sniffer.h" | 17 #include "net/base/mime_sniffer.h" |
19 | 18 |
20 namespace MediaGalleries = extensions::api::media_galleries; | 19 namespace MediaGalleries = extensions::api::media_galleries; |
21 | 20 |
22 namespace metadata { | 21 namespace metadata { |
23 | 22 |
24 namespace { | 23 namespace { |
25 | 24 |
26 void SetStringScopedPtr(const std::string& value, | 25 void SetStringScopedPtr(const std::string& value, |
27 scoped_ptr<std::string>* destination) { | 26 scoped_ptr<std::string>* destination) { |
28 DCHECK(destination); | 27 DCHECK(destination); |
29 if (!value.empty()) | 28 if (!value.empty()) |
30 destination->reset(new std::string(value)); | 29 destination->reset(new std::string(value)); |
31 } | 30 } |
32 | 31 |
33 void SetIntScopedPtr(int value, scoped_ptr<int>* destination) { | 32 void SetIntScopedPtr(int value, scoped_ptr<int>* destination) { |
34 DCHECK(destination); | 33 DCHECK(destination); |
35 if (value >= 0) | 34 if (value >= 0) |
36 destination->reset(new int(value)); | 35 destination->reset(new int(value)); |
37 } | 36 } |
38 | 37 |
39 void SetDoubleScopedPtr(double value, scoped_ptr<double>* destination) { | |
40 DCHECK(destination); | |
41 if (value >= 0) | |
42 destination->reset(new double(value)); | |
43 } | |
44 | |
45 void SetBoolScopedPtr(bool value, scoped_ptr<bool>* destination) { | |
46 DCHECK(destination); | |
47 destination->reset(new bool(value)); | |
48 } | |
49 | |
50 // This runs on |media_thread_|, as the underlying FFmpeg operation is | 38 // This runs on |media_thread_|, as the underlying FFmpeg operation is |
51 // blocking, and the utility thread must not be blocked, so the media file | 39 // blocking, and the utility thread must not be blocked, so the media file |
52 // bytes can be sent from the browser process to the utility process. | 40 // bytes can be sent from the browser process to the utility process. |
53 void ParseAudioVideoMetadata( | 41 void ParseAudioVideoMetadata( |
54 media::DataSource* source, bool get_attached_images, | 42 media::DataSource* source, bool get_attached_images, |
55 MediaMetadataParser::MediaMetadata* metadata, | 43 MediaMetadataParser::MediaMetadata* metadata, |
56 std::vector<AttachedImage>* attached_images) { | 44 std::vector<AttachedImage>* attached_images) { |
57 DCHECK(source); | 45 DCHECK(source); |
58 DCHECK(metadata); | 46 DCHECK(metadata); |
59 | 47 |
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
117 MediaMetadataParser::MetadataCallback callback, | 105 MediaMetadataParser::MetadataCallback callback, |
118 MediaMetadataParser::MediaMetadata* metadata, | 106 MediaMetadataParser::MediaMetadata* metadata, |
119 std::vector<AttachedImage>* attached_images) { | 107 std::vector<AttachedImage>* attached_images) { |
120 DCHECK(!callback.is_null()); | 108 DCHECK(!callback.is_null()); |
121 DCHECK(metadata); | 109 DCHECK(metadata); |
122 DCHECK(attached_images); | 110 DCHECK(attached_images); |
123 | 111 |
124 callback.Run(*metadata, *attached_images); | 112 callback.Run(*metadata, *attached_images); |
125 } | 113 } |
126 | 114 |
127 void FinishParseImageMetadata( | |
128 ImageMetadataExtractor* extractor, const std::string& mime_type, | |
129 MediaMetadataParser::MetadataCallback callback, bool extract_success) { | |
130 DCHECK(extractor); | |
131 MediaMetadataParser::MediaMetadata metadata; | |
132 metadata.mime_type = mime_type; | |
133 | |
134 if (!extract_success) { | |
135 callback.Run(metadata, std::vector<AttachedImage>()); | |
136 return; | |
137 } | |
138 | |
139 SetIntScopedPtr(extractor->height(), &metadata.height); | |
140 SetIntScopedPtr(extractor->width(), &metadata.width); | |
141 | |
142 SetIntScopedPtr(extractor->rotation(), &metadata.rotation); | |
143 | |
144 SetDoubleScopedPtr(extractor->x_resolution(), &metadata.x_resolution); | |
145 SetDoubleScopedPtr(extractor->y_resolution(), &metadata.y_resolution); | |
146 SetBoolScopedPtr(extractor->flash_fired(), &metadata.flash_fired); | |
147 SetStringScopedPtr(extractor->camera_make(), &metadata.camera_make); | |
148 SetStringScopedPtr(extractor->camera_model(), &metadata.camera_model); | |
149 SetDoubleScopedPtr(extractor->exposure_time_sec(), | |
150 &metadata.exposure_time_seconds); | |
151 | |
152 SetDoubleScopedPtr(extractor->f_number(), &metadata.f_number); | |
153 SetDoubleScopedPtr(extractor->focal_length_mm(), &metadata.focal_length_mm); | |
154 SetDoubleScopedPtr(extractor->iso_equivalent(), &metadata.iso_equivalent); | |
155 | |
156 callback.Run(metadata, std::vector<AttachedImage>()); | |
157 } | |
158 | |
159 } // namespace | 115 } // namespace |
160 | 116 |
161 MediaMetadataParser::MediaMetadataParser(media::DataSource* source, | 117 MediaMetadataParser::MediaMetadataParser(media::DataSource* source, |
162 const std::string& mime_type, | 118 const std::string& mime_type, |
163 bool get_attached_images) | 119 bool get_attached_images) |
164 : source_(source), | 120 : source_(source), |
165 mime_type_(mime_type), | 121 mime_type_(mime_type), |
166 get_attached_images_(get_attached_images) { | 122 get_attached_images_(get_attached_images) { |
167 } | 123 } |
168 | 124 |
(...skipping 10 matching lines...) Expand all Loading... |
179 media_thread_.reset(new base::Thread("media_thread")); | 135 media_thread_.reset(new base::Thread("media_thread")); |
180 CHECK(media_thread_->Start()); | 136 CHECK(media_thread_->Start()); |
181 media_thread_->task_runner()->PostTaskAndReply( | 137 media_thread_->task_runner()->PostTaskAndReply( |
182 FROM_HERE, base::Bind(&ParseAudioVideoMetadata, source_, | 138 FROM_HERE, base::Bind(&ParseAudioVideoMetadata, source_, |
183 get_attached_images_, metadata, attached_images), | 139 get_attached_images_, metadata, attached_images), |
184 base::Bind(&FinishParseAudioVideoMetadata, callback, | 140 base::Bind(&FinishParseAudioVideoMetadata, callback, |
185 base::Owned(metadata), base::Owned(attached_images))); | 141 base::Owned(metadata), base::Owned(attached_images))); |
186 return; | 142 return; |
187 } | 143 } |
188 | 144 |
189 if (base::StartsWith(mime_type_, "image/", base::CompareCase::SENSITIVE)) { | |
190 ImageMetadataExtractor* extractor = new ImageMetadataExtractor; | |
191 extractor->Extract( | |
192 source_, | |
193 base::Bind(&FinishParseImageMetadata, base::Owned(extractor), | |
194 mime_type_, callback)); | |
195 return; | |
196 } | |
197 | |
198 callback.Run(MediaMetadata(), std::vector<AttachedImage>()); | 145 callback.Run(MediaMetadata(), std::vector<AttachedImage>()); |
199 } | 146 } |
200 | 147 |
201 } // namespace metadata | 148 } // namespace metadata |
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