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
10namespace media {
11
12FakeVideoCaptureDeviceFactory::FakeVideoCaptureDeviceFactory()
13    : number_of_devices_(1) {
14}
15
16scoped_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
27void 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#if !defined(OS_MACOSX)
33    VideoCaptureDevice::Name name(base::StringPrintf("fake_device_%d", n),
34                                  base::StringPrintf("/dev/video%d", n));
35#else
36    VideoCaptureDevice::Name name(base::StringPrintf("fake_device_%d", n),
37                                  base::StringPrintf("/dev/video%d", n),
38                                  VideoCaptureDevice::Name::AVFOUNDATION);
39#endif
40    device_names->push_back(name);
41  }
42}
43
44void FakeVideoCaptureDeviceFactory::GetDeviceSupportedFormats(
45    const VideoCaptureDevice::Name& device,
46    VideoCaptureFormats* supported_formats) {
47  DCHECK(thread_checker_.CalledOnValidThread());
48  const int frame_rate = 1000 / FakeVideoCaptureDevice::kFakeCaptureTimeoutMs;
49  const gfx::Size supported_sizes[] = {gfx::Size(320, 240),
50                                       gfx::Size(640, 480),
51                                       gfx::Size(1280, 720)};
52  supported_formats->clear();
53  for (size_t i = 0; i < arraysize(supported_sizes); ++i) {
54    supported_formats->push_back(VideoCaptureFormat(supported_sizes[i],
55                                                    frame_rate,
56                                                    media::PIXEL_FORMAT_I420));
57  }
58}
59
60}  // namespace media
61