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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" |
11 #include "base/strings/string_number_conversions.h" | |
12 #include "base/strings/stringprintf.h" | 11 #include "base/strings/stringprintf.h" |
13 #include "media/audio/fake_audio_input_stream.h" | 12 #include "media/audio/fake_audio_input_stream.h" |
14 #include "third_party/skia/include/core/SkBitmap.h" | 13 #include "third_party/skia/include/core/SkBitmap.h" |
15 #include "third_party/skia/include/core/SkCanvas.h" | 14 #include "third_party/skia/include/core/SkCanvas.h" |
16 #include "third_party/skia/include/core/SkPaint.h" | 15 #include "third_party/skia/include/core/SkPaint.h" |
17 | 16 |
18 namespace media { | 17 namespace media { |
19 | 18 |
20 static const int kFakeCaptureTimeoutMs = 50; | 19 static const int kFakeCaptureTimeoutMs = 50; |
21 static const int kFakeCaptureBeepCycle = 20; // Visual beep every 1s. | 20 static const int kFakeCaptureBeepCycle = 20; // Visual beep every 1s. |
22 static const int kFakeCaptureCapabilityChangePeriod = 30; | 21 static const int kFakeCaptureCapabilityChangePeriod = 30; |
23 enum { kNumberOfFakeDevices = 2 }; | 22 enum { kNumberOfFakeDevices = 2 }; |
24 | 23 |
25 bool FakeVideoCaptureDevice::fail_next_create_ = false; | 24 bool FakeVideoCaptureDevice::fail_next_create_ = false; |
26 base::subtle::Atomic32 FakeVideoCaptureDevice::number_of_devices_ = | 25 base::subtle::Atomic32 FakeVideoCaptureDevice::number_of_devices_ = |
27 kNumberOfFakeDevices; | 26 kNumberOfFakeDevices; |
28 | 27 |
| 28 // static |
| 29 size_t FakeVideoCaptureDevice::NumberOfFakeDevices(void) { |
| 30 return number_of_devices_; |
| 31 } |
| 32 |
| 33 // static |
29 void FakeVideoCaptureDevice::GetDeviceNames(Names* const device_names) { | 34 void FakeVideoCaptureDevice::GetDeviceNames(Names* const device_names) { |
30 // Empty the name list. | 35 // Empty the name list. |
31 device_names->erase(device_names->begin(), device_names->end()); | 36 device_names->erase(device_names->begin(), device_names->end()); |
32 | 37 |
33 int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_); | 38 int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_); |
34 for (int32 n = 0; n < number_of_devices; n++) { | 39 for (int32 n = 0; n < number_of_devices; n++) { |
35 Name name("fake_device_" + base::IntToString(n), | 40 Name name(base::StringPrintf("fake_device_%d", n), |
36 "/dev/video" + base::IntToString(n)); | 41 base::StringPrintf("/dev/video%d", n)); |
37 device_names->push_back(name); | 42 device_names->push_back(name); |
38 } | 43 } |
39 } | 44 } |
40 | 45 |
| 46 // static |
41 void FakeVideoCaptureDevice::GetDeviceSupportedFormats( | 47 void FakeVideoCaptureDevice::GetDeviceSupportedFormats( |
42 const Name& device, | 48 const Name& device, |
43 VideoCaptureCapabilities* formats) { | 49 VideoCaptureFormats* supported_formats) { |
44 VideoCaptureCapability capture_format_640x480; | 50 |
45 capture_format_640x480.supported_format.frame_size.SetSize(640, 480); | 51 supported_formats->clear(); |
46 capture_format_640x480.supported_format.frame_rate = | 52 VideoCaptureFormat capture_format_640x480; |
47 1000 / kFakeCaptureTimeoutMs; | 53 capture_format_640x480.pixel_format = media::PIXEL_FORMAT_I420; |
48 capture_format_640x480.supported_format.pixel_format = | 54 capture_format_640x480.frame_size.SetSize(640, 480); |
49 media::PIXEL_FORMAT_I420; | 55 capture_format_640x480.frame_rate = 1000 / kFakeCaptureTimeoutMs; |
50 formats->push_back(capture_format_640x480); | 56 supported_formats->push_back(capture_format_640x480); |
| 57 VideoCaptureFormat capture_format_320x240; |
| 58 capture_format_320x240.pixel_format = media::PIXEL_FORMAT_I420; |
| 59 capture_format_320x240.frame_size.SetSize(320, 240); |
| 60 capture_format_320x240.frame_rate = 1000 / kFakeCaptureTimeoutMs; |
| 61 supported_formats->push_back(capture_format_320x240); |
51 } | 62 } |
52 | 63 |
| 64 // static |
53 VideoCaptureDevice* FakeVideoCaptureDevice::Create(const Name& device_name) { | 65 VideoCaptureDevice* FakeVideoCaptureDevice::Create(const Name& device_name) { |
54 if (fail_next_create_) { | 66 if (fail_next_create_) { |
55 fail_next_create_ = false; | 67 fail_next_create_ = false; |
56 return NULL; | 68 return NULL; |
57 } | 69 } |
58 int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_); | 70 int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_); |
59 for (int32 n = 0; n < number_of_devices; ++n) { | 71 for (int32 n = 0; n < number_of_devices; ++n) { |
60 std::string possible_id = "/dev/video" + base::IntToString(n); | 72 std::string possible_id = base::StringPrintf("/dev/video%d", n); |
61 if (device_name.id().compare(possible_id) == 0) { | 73 if (device_name.id().compare(possible_id) == 0) { |
62 return new FakeVideoCaptureDevice(); | 74 return new FakeVideoCaptureDevice(); |
63 } | 75 } |
64 } | 76 } |
65 return NULL; | 77 return NULL; |
66 } | 78 } |
67 | 79 |
| 80 // static |
68 void FakeVideoCaptureDevice::SetFailNextCreate() { | 81 void FakeVideoCaptureDevice::SetFailNextCreate() { |
69 fail_next_create_ = true; | 82 fail_next_create_ = true; |
70 } | 83 } |
71 | 84 |
| 85 // static |
72 void FakeVideoCaptureDevice::SetNumberOfFakeDevices(size_t number_of_devices) { | 86 void FakeVideoCaptureDevice::SetNumberOfFakeDevices(size_t number_of_devices) { |
73 base::subtle::NoBarrier_AtomicExchange(&number_of_devices_, | 87 base::subtle::NoBarrier_AtomicExchange(&number_of_devices_, |
74 number_of_devices); | 88 number_of_devices); |
75 } | 89 } |
76 | 90 |
77 FakeVideoCaptureDevice::FakeVideoCaptureDevice() | 91 FakeVideoCaptureDevice::FakeVideoCaptureDevice() |
78 : capture_thread_("CaptureThread"), | 92 : capture_thread_("CaptureThread"), |
79 frame_count_(0), | 93 frame_count_(0), |
80 format_roster_index_(0) {} | 94 format_roster_index_(0) {} |
81 | 95 |
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238 media::VideoCaptureFormat(gfx::Size(320, 240), 30, PIXEL_FORMAT_I420)); | 252 media::VideoCaptureFormat(gfx::Size(320, 240), 30, PIXEL_FORMAT_I420)); |
239 format_roster_.push_back( | 253 format_roster_.push_back( |
240 media::VideoCaptureFormat(gfx::Size(640, 480), 30, PIXEL_FORMAT_I420)); | 254 media::VideoCaptureFormat(gfx::Size(640, 480), 30, PIXEL_FORMAT_I420)); |
241 format_roster_.push_back( | 255 format_roster_.push_back( |
242 media::VideoCaptureFormat(gfx::Size(800, 600), 30, PIXEL_FORMAT_I420)); | 256 media::VideoCaptureFormat(gfx::Size(800, 600), 30, PIXEL_FORMAT_I420)); |
243 | 257 |
244 format_roster_index_ = 0; | 258 format_roster_index_ = 0; |
245 } | 259 } |
246 | 260 |
247 } // namespace media | 261 } // namespace media |
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