Home | History | Annotate | Download | only in capture
      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