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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/video/capture/fake_video_capture_device.h" | 5 #include "media/video/capture/fake_video_capture_device.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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71 EventHandler* observer) { | 71 EventHandler* observer) { |
72 capture_format_.frame_size_type = capture_format.frame_size_type; | 72 capture_format_.frame_size_type = capture_format.frame_size_type; |
73 if (capture_format.frame_size_type == VariableResolutionVideoCaptureDevice) | 73 if (capture_format.frame_size_type == VariableResolutionVideoCaptureDevice) |
74 PopulateCapabilitiesRoster(); | 74 PopulateCapabilitiesRoster(); |
75 | 75 |
76 if (state_ != kIdle) { | 76 if (state_ != kIdle) { |
77 return; // Wrong state. | 77 return; // Wrong state. |
78 } | 78 } |
79 | 79 |
80 observer_ = observer; | 80 observer_ = observer; |
81 capture_format_.color = VideoCaptureCapability::kI420; | 81 capture_format_.color = kI420; |
82 capture_format_.expected_capture_delay = 0; | 82 capture_format_.expected_capture_delay = 0; |
83 capture_format_.interlaced = false; | 83 capture_format_.interlaced = false; |
84 if (capture_format.width > 320) { // VGA | 84 if (capture_format.width > 320) { // VGA |
85 capture_format_.width = 640; | 85 capture_format_.width = 640; |
86 capture_format_.height = 480; | 86 capture_format_.height = 480; |
87 capture_format_.frame_rate = 30; | 87 capture_format_.frame_rate = 30; |
88 } else { // QVGA | 88 } else { // QVGA |
89 capture_format_.width = 320; | 89 capture_format_.width = 320; |
90 capture_format_.height = 240; | 90 capture_format_.height = 240; |
91 capture_format_.frame_rate = 30; | 91 capture_format_.frame_rate = 30; |
92 } | 92 } |
93 | 93 |
94 size_t fake_frame_size = | 94 size_t fake_frame_size = |
95 capture_format_.width * capture_format_.height * 3 / 2; | 95 capture_format_.width * capture_format_.height * 3 / 2; |
96 fake_frame_.reset(new uint8[fake_frame_size]); | 96 fake_frame_.reset(new uint8[fake_frame_size]); |
97 | 97 |
98 state_ = kAllocated; | 98 state_ = kAllocated; |
99 observer_->OnFrameInfo(capture_format_); | 99 observer_->OnFrameInfo(capture_format_); |
100 } | 100 } |
101 | 101 |
102 void FakeVideoCaptureDevice::Reallocate() { | 102 void FakeVideoCaptureDevice::Reallocate() { |
103 DCHECK_EQ(state_, kCapturing); | 103 DCHECK_EQ(state_, kCapturing); |
104 capture_format_ = capabilities_roster_.at(++capabilities_roster_index_ % | 104 capture_format_ = capabilities_roster_.at(++capabilities_roster_index_ % |
105 capabilities_roster_.size()); | 105 capabilities_roster_.size()); |
106 DCHECK_EQ(capture_format_.color, VideoCaptureCapability::kI420); | 106 DCHECK_EQ(capture_format_.color, kI420); |
107 DVLOG(3) << "Reallocating FakeVideoCaptureDevice, new capture resolution (" | 107 DVLOG(3) << "Reallocating FakeVideoCaptureDevice, new capture resolution (" |
108 << capture_format_.width << "x" << capture_format_.height << ")"; | 108 << capture_format_.width << "x" << capture_format_.height << ")"; |
109 | 109 |
110 size_t fake_frame_size = | 110 size_t fake_frame_size = |
111 capture_format_.width * capture_format_.height * 3 / 2; | 111 capture_format_.width * capture_format_.height * 3 / 2; |
112 fake_frame_.reset(new uint8[fake_frame_size]); | 112 fake_frame_.reset(new uint8[fake_frame_size]); |
113 | 113 |
114 observer_->OnFrameInfoChanged(capture_format_); | 114 observer_->OnFrameInfoChanged(capture_format_); |
115 } | 115 } |
116 | 116 |
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218 base::Bind(&FakeVideoCaptureDevice::OnCaptureTask, | 218 base::Bind(&FakeVideoCaptureDevice::OnCaptureTask, |
219 base::Unretained(this)), | 219 base::Unretained(this)), |
220 base::TimeDelta::FromMilliseconds(kFakeCaptureTimeoutMs)); | 220 base::TimeDelta::FromMilliseconds(kFakeCaptureTimeoutMs)); |
221 } | 221 } |
222 | 222 |
223 void FakeVideoCaptureDevice::PopulateCapabilitiesRoster() { | 223 void FakeVideoCaptureDevice::PopulateCapabilitiesRoster() { |
224 capabilities_roster_.push_back( | 224 capabilities_roster_.push_back( |
225 media::VideoCaptureCapability(320, | 225 media::VideoCaptureCapability(320, |
226 240, | 226 240, |
227 30, | 227 30, |
228 VideoCaptureCapability::kI420, | 228 kI420, |
229 0, | 229 0, |
230 false, | 230 false, |
231 VariableResolutionVideoCaptureDevice)); | 231 VariableResolutionVideoCaptureDevice)); |
232 capabilities_roster_.push_back( | 232 capabilities_roster_.push_back( |
233 media::VideoCaptureCapability(640, | 233 media::VideoCaptureCapability(640, |
234 480, | 234 480, |
235 30, | 235 30, |
236 VideoCaptureCapability::kI420, | 236 kI420, |
237 0, | 237 0, |
238 false, | 238 false, |
239 VariableResolutionVideoCaptureDevice)); | 239 VariableResolutionVideoCaptureDevice)); |
240 capabilities_roster_.push_back( | 240 capabilities_roster_.push_back( |
241 media::VideoCaptureCapability(800, | 241 media::VideoCaptureCapability(800, |
242 600, | 242 600, |
243 30, | 243 30, |
244 VideoCaptureCapability::kI420, | 244 kI420, |
245 0, | 245 0, |
246 false, | 246 false, |
247 VariableResolutionVideoCaptureDevice)); | 247 VariableResolutionVideoCaptureDevice)); |
248 | 248 |
249 capabilities_roster_index_ = 0; | 249 capabilities_roster_index_ = 0; |
250 } | 250 } |
251 | 251 |
252 } // namespace media | 252 } // namespace media |
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