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Side by Side Diff: media/capture/video/fake_video_capture_device_factory.cc

Issue 2606983002: Media Capture Depth Stream Extensions API: focal length and depth range. (Closed)
Patch Set: 80-char line fix in test html. Created 3 years, 10 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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/capture/video/fake_video_capture_device_factory.h" 5 #include "media/capture/video/fake_video_capture_device_factory.h"
6 6
7 #include "base/command_line.h" 7 #include "base/command_line.h"
8 #include "base/strings/string_number_conversions.h" 8 #include "base/strings/string_number_conversions.h"
9 #include "base/strings/string_split.h" 9 #include "base/strings/string_split.h"
10 #include "base/strings/string_tokenizer.h" 10 #include "base/strings/string_tokenizer.h"
11 #include "base/strings/string_util.h" 11 #include "base/strings/string_util.h"
12 #include "base/strings/stringprintf.h" 12 #include "base/strings/stringprintf.h"
13 #include "build/build_config.h" 13 #include "build/build_config.h"
14 #include "media/base/media_switches.h" 14 #include "media/base/media_switches.h"
15 15
16 namespace { 16 namespace {
17 17
18 static const size_t kDepthDeviceIndex = 1;
19 static const char kDepthDeviceId[] = "/dev/video1";
20
18 // Factory has one device by default; I420. If there are more, the second device 21 // Factory has one device by default; I420. If there are more, the second device
19 // is of Y16 format while the rest are I420. 22 // is of Y16 format while the rest are I420.
20 media::VideoPixelFormat GetPixelFormat(const std::string& device_id) { 23 media::VideoPixelFormat GetPixelFormat(const std::string& device_id) {
21 return (device_id == "/dev/video1") ? media::PIXEL_FORMAT_Y16 24 return (device_id == kDepthDeviceId) ? media::PIXEL_FORMAT_Y16
22 : media::PIXEL_FORMAT_I420; 25 : media::PIXEL_FORMAT_I420;
23 } 26 }
24 } 27 }
25 28
26 namespace media { 29 namespace media {
27 30
28 // Cap the frame rate command line input to reasonable values. 31 // Cap the frame rate command line input to reasonable values.
29 static const float kFakeCaptureMinFrameRate = 5.0f; 32 static const float kFakeCaptureMinFrameRate = 5.0f;
30 static const float kFakeCaptureMaxFrameRate = 60.0f; 33 static const float kFakeCaptureMaxFrameRate = 60.0f;
31 // Default rate if none is specified as part of the command line. 34 // Default rate if none is specified as part of the command line.
32 static const float kFakeCaptureDefaultFrameRate = 20.0f; 35 static const float kFakeCaptureDefaultFrameRate = 20.0f;
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
75 VideoCaptureApi::LINUX_V4L2_SINGLE_PLANE 78 VideoCaptureApi::LINUX_V4L2_SINGLE_PLANE
76 #elif defined(OS_MACOSX) 79 #elif defined(OS_MACOSX)
77 VideoCaptureApi::MACOSX_AVFOUNDATION 80 VideoCaptureApi::MACOSX_AVFOUNDATION
78 #elif defined(OS_WIN) 81 #elif defined(OS_WIN)
79 VideoCaptureApi::WIN_DIRECT_SHOW 82 VideoCaptureApi::WIN_DIRECT_SHOW
80 #elif defined(OS_ANDROID) 83 #elif defined(OS_ANDROID)
81 VideoCaptureApi::ANDROID_API2_LEGACY 84 VideoCaptureApi::ANDROID_API2_LEGACY
82 #endif 85 #endif
83 ); 86 );
84 } 87 }
88
89 // Video device on index 1 (kDepthDeviceIndex) is depth video capture device.
90 // Fill the camera calibration information only for it.
91 if (device_descriptors->size() <= kDepthDeviceIndex)
92 return;
93 VideoCaptureDeviceDescriptor& depth_device(
94 (*device_descriptors)[kDepthDeviceIndex]);
95 depth_device.camera_calibration.emplace();
96 depth_device.camera_calibration->focal_length_x = 135.0;
97 depth_device.camera_calibration->focal_length_y = 135.6;
98 depth_device.camera_calibration->depth_near = 0.0;
99 depth_device.camera_calibration->depth_far = 65.535;
85 } 100 }
86 101
87 void FakeVideoCaptureDeviceFactory::GetSupportedFormats( 102 void FakeVideoCaptureDeviceFactory::GetSupportedFormats(
88 const VideoCaptureDeviceDescriptor& device_descriptor, 103 const VideoCaptureDeviceDescriptor& device_descriptor,
89 VideoCaptureFormats* supported_formats) { 104 VideoCaptureFormats* supported_formats) {
90 DCHECK(thread_checker_.CalledOnValidThread()); 105 DCHECK(thread_checker_.CalledOnValidThread());
91 const gfx::Size supported_sizes[] = { 106 const gfx::Size supported_sizes[] = {
92 gfx::Size(96, 96), gfx::Size(320, 240), gfx::Size(640, 480), 107 gfx::Size(96, 96), gfx::Size(320, 240), gfx::Size(640, 480),
93 gfx::Size(1280, 720), gfx::Size(1920, 1080)}; 108 gfx::Size(1280, 720), gfx::Size(1920, 1080)};
94 supported_formats->clear(); 109 supported_formats->clear();
(...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after
136 if (base::StringToUint(param.back(), &count)) { 151 if (base::StringToUint(param.back(), &count)) {
137 number_of_devices_ = std::min( 152 number_of_devices_ = std::min(
138 kFakeCaptureMaxDeviceCount, 153 kFakeCaptureMaxDeviceCount,
139 std::max(kFakeCaptureMinDeviceCount, static_cast<int>(count))); 154 std::max(kFakeCaptureMinDeviceCount, static_cast<int>(count)));
140 } 155 }
141 } 156 }
142 } 157 }
143 } 158 }
144 159
145 } // namespace media 160 } // namespace media
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