OLD | NEW |
| (Empty) |
1 // Copyright 2016 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 "services/video_capture/video_capture_device_proxy_impl.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "media/capture/video/video_capture_buffer_pool_impl.h" | |
9 #include "media/capture/video/video_capture_jpeg_decoder.h" | |
10 #include "services/video_capture/buffer_tracker_factory_impl.h" | |
11 #include "services/video_capture/receiver_mojo_to_media_adapter.h" | |
12 | |
13 namespace video_capture { | |
14 | |
15 VideoCaptureDeviceProxyImpl::VideoCaptureDeviceProxyImpl( | |
16 std::unique_ptr<media::VideoCaptureDevice> device, | |
17 const media::VideoCaptureJpegDecoderFactoryCB& | |
18 jpeg_decoder_factory_callback) | |
19 : device_(std::move(device)), | |
20 jpeg_decoder_factory_callback_(jpeg_decoder_factory_callback), | |
21 device_running_(false) {} | |
22 | |
23 VideoCaptureDeviceProxyImpl::~VideoCaptureDeviceProxyImpl() { | |
24 if (device_running_) | |
25 device_->StopAndDeAllocate(); | |
26 } | |
27 | |
28 void VideoCaptureDeviceProxyImpl::Start( | |
29 const VideoCaptureSettings& requested_settings, | |
30 mojom::VideoFrameReceiverPtr receiver) { | |
31 media::VideoCaptureParams params; | |
32 requested_settings.ConvertToMediaVideoCaptureParams(¶ms); | |
33 receiver.set_connection_error_handler( | |
34 base::Bind(&VideoCaptureDeviceProxyImpl::OnClientConnectionErrorOrClose, | |
35 base::Unretained(this))); | |
36 | |
37 auto media_receiver = | |
38 base::MakeUnique<ReceiverMojoToMediaAdapter>(std::move(receiver)); | |
39 | |
40 // Create a dedicated buffer pool for the device usage session. | |
41 const int kMaxBufferCount = 2; | |
42 auto buffer_tracker_factory = base::MakeUnique<BufferTrackerFactoryImpl>(); | |
43 scoped_refptr<media::VideoCaptureBufferPool> buffer_pool( | |
44 new media::VideoCaptureBufferPoolImpl(std::move(buffer_tracker_factory), | |
45 kMaxBufferCount)); | |
46 | |
47 auto device_client = base::MakeUnique<media::VideoCaptureDeviceClient>( | |
48 std::move(media_receiver), buffer_pool, jpeg_decoder_factory_callback_); | |
49 | |
50 device_->AllocateAndStart(params, std::move(device_client)); | |
51 device_running_ = true; | |
52 } | |
53 | |
54 void VideoCaptureDeviceProxyImpl::Stop() { | |
55 device_->StopAndDeAllocate(); | |
56 device_running_ = false; | |
57 } | |
58 | |
59 void VideoCaptureDeviceProxyImpl::OnClientConnectionErrorOrClose() { | |
60 if (device_running_) { | |
61 device_->StopAndDeAllocate(); | |
62 device_running_ = false; | |
63 } | |
64 } | |
65 | |
66 } // namespace video_capture | |
OLD | NEW |