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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 { |
| 17 |
| 18 media::VideoPixelFormat get_pixelformat(const std::string& device_id) { |
| 19 if (device_id == "/dev/video1") |
| 20 return media::PIXEL_FORMAT_Y16; |
| 21 return media::PIXEL_FORMAT_I420; |
| 22 } |
| 23 } |
| 24 |
16 namespace media { | 25 namespace media { |
17 | 26 |
18 // Cap the frame rate command line input to reasonable values. | 27 // Cap the frame rate command line input to reasonable values. |
19 static const float kFakeCaptureMinFrameRate = 5.0f; | 28 static const float kFakeCaptureMinFrameRate = 5.0f; |
20 static const float kFakeCaptureMaxFrameRate = 60.0f; | 29 static const float kFakeCaptureMaxFrameRate = 60.0f; |
21 // Default rate if none is specified as part of the command line. | 30 // Default rate if none is specified as part of the command line. |
22 static const float kFakeCaptureDefaultFrameRate = 20.0f; | 31 static const float kFakeCaptureDefaultFrameRate = 20.0f; |
23 | 32 |
24 FakeVideoCaptureDeviceFactory::FakeVideoCaptureDeviceFactory() | 33 FakeVideoCaptureDeviceFactory::FakeVideoCaptureDeviceFactory() |
25 : number_of_devices_(1), | 34 : number_of_devices_(2), |
26 fake_vcd_ownership_(FakeVideoCaptureDevice::BufferOwnership::OWN_BUFFERS), | 35 fake_vcd_ownership_(FakeVideoCaptureDevice::BufferOwnership::OWN_BUFFERS), |
27 frame_rate_(kFakeCaptureDefaultFrameRate) {} | 36 frame_rate_(kFakeCaptureDefaultFrameRate) {} |
28 | 37 |
29 std::unique_ptr<VideoCaptureDevice> FakeVideoCaptureDeviceFactory::CreateDevice( | 38 std::unique_ptr<VideoCaptureDevice> FakeVideoCaptureDeviceFactory::CreateDevice( |
30 const VideoCaptureDeviceDescriptor& device_descriptor) { | 39 const VideoCaptureDeviceDescriptor& device_descriptor) { |
31 DCHECK(thread_checker_.CalledOnValidThread()); | 40 DCHECK(thread_checker_.CalledOnValidThread()); |
32 | 41 |
33 parse_command_line(); | 42 parse_command_line(); |
34 | 43 |
35 for (int n = 0; n < number_of_devices_; ++n) { | 44 for (int n = 0; n < number_of_devices_; ++n) { |
36 std::string possible_id = base::StringPrintf("/dev/video%d", n); | 45 std::string possible_id = base::StringPrintf("/dev/video%d", n); |
37 if (device_descriptor.device_id.compare(possible_id) == 0) { | 46 if (device_descriptor.device_id.compare(possible_id) == 0) { |
38 return std::unique_ptr<VideoCaptureDevice>( | 47 return std::unique_ptr<VideoCaptureDevice>(new FakeVideoCaptureDevice( |
39 new FakeVideoCaptureDevice(fake_vcd_ownership_, frame_rate_)); | 48 fake_vcd_ownership_, frame_rate_, get_pixelformat(possible_id))); |
40 } | 49 } |
41 } | 50 } |
42 return std::unique_ptr<VideoCaptureDevice>(); | 51 return std::unique_ptr<VideoCaptureDevice>(); |
43 } | 52 } |
44 | 53 |
45 void FakeVideoCaptureDeviceFactory::GetDeviceDescriptors( | 54 void FakeVideoCaptureDeviceFactory::GetDeviceDescriptors( |
46 VideoCaptureDeviceDescriptors* device_descriptors) { | 55 VideoCaptureDeviceDescriptors* device_descriptors) { |
47 DCHECK(thread_checker_.CalledOnValidThread()); | 56 DCHECK(thread_checker_.CalledOnValidThread()); |
48 DCHECK(device_descriptors->empty()); | 57 DCHECK(device_descriptors->empty()); |
49 for (int n = 0; n < number_of_devices_; ++n) { | 58 for (int n = 0; n < number_of_devices_; ++n) { |
50 device_descriptors->emplace_back(base::StringPrintf("fake_device_%d", n), | 59 device_descriptors->emplace_back(base::StringPrintf("fake_device_%d", n), |
51 base::StringPrintf("/dev/video%d", n), | 60 base::StringPrintf("/dev/video%d", n), |
52 #if defined(OS_LINUX) | 61 #if defined(OS_LINUX) |
53 VideoCaptureApi::LINUX_V4L2_SINGLE_PLANE | 62 VideoCaptureApi::LINUX_V4L2_SINGLE_PLANE |
54 #elif defined(OS_MACOSX) | 63 #elif defined(OS_MACOSX) |
55 VideoCaptureApi::MACOSX_AVFOUNDATION | 64 VideoCaptureApi::MACOSX_AVFOUNDATION |
56 #elif defined(OS_WIN) | 65 #elif defined(OS_WIN) |
57 VideoCaptureApi::WIN_DIRECT_SHOW | 66 VideoCaptureApi::WIN_DIRECT_SHOW |
58 #elif defined(OS_ANDROID) | 67 #elif defined(OS_ANDROID) |
59 VideoCaptureApi::ANDROID_API2_LEGACY | 68 VideoCaptureApi::ANDROID_API2_LEGACY |
60 #endif | 69 #endif |
61 ); | 70 ); |
62 } | 71 } |
63 } | 72 } |
64 | 73 |
65 void FakeVideoCaptureDeviceFactory::GetSupportedFormats( | 74 void FakeVideoCaptureDeviceFactory::GetSupportedFormats( |
66 const VideoCaptureDeviceDescriptor& device_descriptor, | 75 const VideoCaptureDeviceDescriptor& device_descriptor, |
67 VideoCaptureFormats* supported_formats) { | 76 VideoCaptureFormats* supported_formats) { |
68 DCHECK(thread_checker_.CalledOnValidThread()); | 77 DCHECK(thread_checker_.CalledOnValidThread()); |
69 const gfx::Size supported_sizes[] = {gfx::Size(320, 240), | 78 const gfx::Size supported_sizes[] = {gfx::Size(96, 96), // To test cubemap. |
| 79 gfx::Size(320, 240), |
70 gfx::Size(640, 480), | 80 gfx::Size(640, 480), |
71 gfx::Size(1280, 720), | 81 gfx::Size(1280, 720), |
72 gfx::Size(1920, 1080)}; | 82 gfx::Size(1920, 1080)}; |
73 supported_formats->clear(); | 83 supported_formats->clear(); |
74 for (const auto& size : supported_sizes) { | 84 for (const auto& size : supported_sizes) { |
75 supported_formats->push_back( | 85 supported_formats->push_back(VideoCaptureFormat( |
76 VideoCaptureFormat(size, frame_rate_, media::PIXEL_FORMAT_I420)); | 86 size, frame_rate_, get_pixelformat(device_descriptor.device_id))); |
77 } | 87 } |
78 } | 88 } |
79 | 89 |
80 // Optional comma delimited parameters to the command line can specify buffer | 90 // Optional comma delimited parameters to the command line can specify buffer |
81 // ownership, buffer planarity, and the fake video device FPS. | 91 // ownership, buffer planarity, and the fake video device FPS. |
82 // Examples: "ownership=client, planarity=triplanar, fps=60" "fps=30" | 92 // Examples: "ownership=client, planarity=triplanar, fps=60" "fps=30" |
83 void FakeVideoCaptureDeviceFactory::parse_command_line() { | 93 void FakeVideoCaptureDeviceFactory::parse_command_line() { |
84 const std::string option = | 94 const std::string option = |
85 base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | 95 base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( |
86 switches::kUseFakeDeviceForMediaStream); | 96 switches::kUseFakeDeviceForMediaStream); |
(...skipping 20 matching lines...) Expand all Loading... |
107 if (base::StringToDouble(param.back(), &fps)) { | 117 if (base::StringToDouble(param.back(), &fps)) { |
108 frame_rate_ = | 118 frame_rate_ = |
109 std::max(kFakeCaptureMinFrameRate, static_cast<float>(fps)); | 119 std::max(kFakeCaptureMinFrameRate, static_cast<float>(fps)); |
110 frame_rate_ = std::min(kFakeCaptureMaxFrameRate, frame_rate_); | 120 frame_rate_ = std::min(kFakeCaptureMaxFrameRate, frame_rate_); |
111 } | 121 } |
112 } | 122 } |
113 } | 123 } |
114 } | 124 } |
115 | 125 |
116 } // namespace media | 126 } // namespace media |
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