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 3 // found in the LICENSE file. 4 5 #include "media/video/capture/fake_video_capture_device_factory.h" 6 7 #include "base/strings/stringprintf.h" 8 #include "media/video/capture/fake_video_capture_device.h" 9 10 namespace media { 11 12 FakeVideoCaptureDeviceFactory::FakeVideoCaptureDeviceFactory() 13 : number_of_devices_(1) { 14 } 15 16 scoped_ptr<VideoCaptureDevice> FakeVideoCaptureDeviceFactory::Create( 17 const VideoCaptureDevice::Name& device_name) { 18 DCHECK(thread_checker_.CalledOnValidThread()); 19 for (int n = 0; n < number_of_devices_; ++n) { 20 std::string possible_id = base::StringPrintf("/dev/video%d", n); 21 if (device_name.id().compare(possible_id) == 0) 22 return scoped_ptr<VideoCaptureDevice>(new FakeVideoCaptureDevice()); 23 } 24 return scoped_ptr<VideoCaptureDevice>(); 25 } 26 27 void FakeVideoCaptureDeviceFactory::GetDeviceNames( 28 VideoCaptureDevice::Names* const device_names) { 29 DCHECK(thread_checker_.CalledOnValidThread()); 30 DCHECK(device_names->empty()); 31 for (int n = 0; n < number_of_devices_; ++n) { 32 VideoCaptureDevice::Name name(base::StringPrintf("fake_device_%d", n), 33 base::StringPrintf("/dev/video%d", n)); 34 device_names->push_back(name); 35 } 36 } 37 38 void FakeVideoCaptureDeviceFactory::GetDeviceSupportedFormats( 39 const VideoCaptureDevice::Name& device, 40 VideoCaptureFormats* supported_formats) { 41 DCHECK(thread_checker_.CalledOnValidThread()); 42 const int frame_rate = 1000 / FakeVideoCaptureDevice::kFakeCaptureTimeoutMs; 43 const gfx::Size supported_sizes[] = {gfx::Size(320, 240), 44 gfx::Size(640, 480), 45 gfx::Size(1280, 720)}; 46 supported_formats->clear(); 47 for (size_t i = 0; i < arraysize(supported_sizes); ++i) { 48 supported_formats->push_back(VideoCaptureFormat(supported_sizes[i], 49 frame_rate, 50 media::PIXEL_FORMAT_I420)); 51 } 52 } 53 54 } // namespace media 55