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

Issue 91343002: Added supported formats caching to VideoCaptureManager. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased FakeVCD. Reconnected VCManager unittest for all platforms. Created 7 years ago
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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" 11 #include "base/strings/string_number_conversions.h"
scherkus (not reviewing) 2013/12/03 22:04:48 I think you can remove this header file now that y
mcasas 2013/12/04 15:23:32 Done.
12 #include "base/strings/stringprintf.h" 12 #include "base/strings/stringprintf.h"
13 #include "media/audio/fake_audio_input_stream.h" 13 #include "media/audio/fake_audio_input_stream.h"
14 #include "third_party/skia/include/core/SkBitmap.h" 14 #include "third_party/skia/include/core/SkBitmap.h"
15 #include "third_party/skia/include/core/SkCanvas.h" 15 #include "third_party/skia/include/core/SkCanvas.h"
16 #include "third_party/skia/include/core/SkPaint.h" 16 #include "third_party/skia/include/core/SkPaint.h"
17 17
18 namespace media { 18 namespace media {
19 19
20 static const int kFakeCaptureTimeoutMs = 50; 20 static const int kFakeCaptureTimeoutMs = 50;
21 static const int kFakeCaptureBeepCycle = 20; // Visual beep every 1s. 21 static const int kFakeCaptureBeepCycle = 20; // Visual beep every 1s.
22 static const int kFakeCaptureCapabilityChangePeriod = 30; 22 static const int kFakeCaptureCapabilityChangePeriod = 30;
23 enum { kNumberOfFakeDevices = 2 }; 23 enum { kNumberOfFakeDevices = 2 };
24 24
25 bool FakeVideoCaptureDevice::fail_next_create_ = false; 25 bool FakeVideoCaptureDevice::fail_next_create_ = false;
26 base::subtle::Atomic32 FakeVideoCaptureDevice::number_of_devices_ = 26 base::subtle::Atomic32 FakeVideoCaptureDevice::number_of_devices_ =
27 kNumberOfFakeDevices; 27 kNumberOfFakeDevices;
28 28
29 // static
30 int FakeVideoCaptureDevice::NumberOfFakeDevices(void) {
31 return number_of_devices_;
32 }
33
34 // static
29 void FakeVideoCaptureDevice::GetDeviceNames(Names* const device_names) { 35 void FakeVideoCaptureDevice::GetDeviceNames(Names* const device_names) {
30 // Empty the name list. 36 // Empty the name list.
31 device_names->erase(device_names->begin(), device_names->end()); 37 device_names->erase(device_names->begin(), device_names->end());
32 38
33 int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_); 39 int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_);
34 for (int32 n = 0; n < number_of_devices; n++) { 40 for (int32 n = 0; n < number_of_devices; n++) {
35 Name name("fake_device_" + base::IntToString(n), 41 Name name(base::StringPrintf("fake_device_%d", n),
36 "/dev/video" + base::IntToString(n)); 42 base::StringPrintf("/dev/video%d", n));
37 device_names->push_back(name); 43 device_names->push_back(name);
38 } 44 }
39 } 45 }
40 46
47 // static
41 void FakeVideoCaptureDevice::GetDeviceSupportedFormats( 48 void FakeVideoCaptureDevice::GetDeviceSupportedFormats(
42 const Name& device, 49 const Name& device,
43 VideoCaptureCapabilities* formats) { 50 VideoCaptureFormats* supported_formats) {
44 VideoCaptureCapability capture_format_640x480; 51
45 capture_format_640x480.supported_format.frame_size.SetSize(640, 480); 52 supported_formats->clear();
46 capture_format_640x480.supported_format.frame_rate = 53 VideoCaptureFormat capture_format_640x480;
47 1000 / kFakeCaptureTimeoutMs; 54 capture_format_640x480.pixel_format = media::PIXEL_FORMAT_I420;
48 capture_format_640x480.supported_format.pixel_format = 55 capture_format_640x480.frame_size.SetSize(640, 480);
49 media::PIXEL_FORMAT_I420; 56 capture_format_640x480.frame_rate = 1000 / kFakeCaptureTimeoutMs;
50 formats->push_back(capture_format_640x480); 57 supported_formats->push_back(capture_format_640x480);
58 VideoCaptureFormat capture_format_320x240;
59 capture_format_320x240.pixel_format = media::PIXEL_FORMAT_I420;
60 capture_format_320x240.frame_size.SetSize(320, 240);
61 capture_format_320x240.frame_rate = 1000 / kFakeCaptureTimeoutMs;
62 supported_formats->push_back(capture_format_320x240);
51 } 63 }
52 64
65 // static
53 VideoCaptureDevice* FakeVideoCaptureDevice::Create(const Name& device_name) { 66 VideoCaptureDevice* FakeVideoCaptureDevice::Create(const Name& device_name) {
54 if (fail_next_create_) { 67 if (fail_next_create_) {
55 fail_next_create_ = false; 68 fail_next_create_ = false;
56 return NULL; 69 return NULL;
57 } 70 }
58 int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_); 71 int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_);
59 for (int32 n = 0; n < number_of_devices; ++n) { 72 for (int32 n = 0; n < number_of_devices; ++n) {
60 std::string possible_id = "/dev/video" + base::IntToString(n); 73 std::string possible_id = base::StringPrintf("/dev/video%d", n);
61 if (device_name.id().compare(possible_id) == 0) { 74 if (device_name.id().compare(possible_id) == 0) {
62 return new FakeVideoCaptureDevice(); 75 return new FakeVideoCaptureDevice();
63 } 76 }
64 } 77 }
65 return NULL; 78 return NULL;
66 } 79 }
67 80
81 // static
68 void FakeVideoCaptureDevice::SetFailNextCreate() { 82 void FakeVideoCaptureDevice::SetFailNextCreate() {
69 fail_next_create_ = true; 83 fail_next_create_ = true;
70 } 84 }
71 85
86 // static
72 void FakeVideoCaptureDevice::SetNumberOfFakeDevices(size_t number_of_devices) { 87 void FakeVideoCaptureDevice::SetNumberOfFakeDevices(size_t number_of_devices) {
73 base::subtle::NoBarrier_AtomicExchange(&number_of_devices_, 88 base::subtle::NoBarrier_AtomicExchange(&number_of_devices_,
74 number_of_devices); 89 number_of_devices);
75 } 90 }
76 91
77 FakeVideoCaptureDevice::FakeVideoCaptureDevice() 92 FakeVideoCaptureDevice::FakeVideoCaptureDevice()
78 : state_(kIdle), 93 : state_(kIdle),
79 capture_thread_("CaptureThread"), 94 capture_thread_("CaptureThread"),
80 frame_count_(0), 95 frame_count_(0),
81 format_roster_index_(0) {} 96 format_roster_index_(0) {}
(...skipping 145 matching lines...) Expand 10 before | Expand all | Expand 10 after
227 media::VideoCaptureFormat(gfx::Size(320, 240), 30, PIXEL_FORMAT_I420)); 242 media::VideoCaptureFormat(gfx::Size(320, 240), 30, PIXEL_FORMAT_I420));
228 format_roster_.push_back( 243 format_roster_.push_back(
229 media::VideoCaptureFormat(gfx::Size(640, 480), 30, PIXEL_FORMAT_I420)); 244 media::VideoCaptureFormat(gfx::Size(640, 480), 30, PIXEL_FORMAT_I420));
230 format_roster_.push_back( 245 format_roster_.push_back(
231 media::VideoCaptureFormat(gfx::Size(800, 600), 30, PIXEL_FORMAT_I420)); 246 media::VideoCaptureFormat(gfx::Size(800, 600), 30, PIXEL_FORMAT_I420));
232 247
233 format_roster_index_ = 0; 248 format_roster_index_ = 0;
234 } 249 }
235 250
236 } // namespace media 251 } // namespace media
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