| /* |
| * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| #include "modules/video_capture/objc/device_info_objc.h" |
| #include "modules/video_capture/objc/rtc_video_capture_objc.h" |
| #include "rtc_base/ref_count.h" |
| #include "rtc_base/ref_counted_object.h" |
| #include "rtc_base/scoped_ref_ptr.h" |
| |
| using namespace webrtc; |
| using namespace videocapturemodule; |
| |
| rtc::scoped_refptr<VideoCaptureModule> VideoCaptureImpl::Create( |
| const char* deviceUniqueIdUTF8) { |
| return VideoCaptureIos::Create(deviceUniqueIdUTF8); |
| } |
| |
| VideoCaptureIos::VideoCaptureIos() |
| : is_capturing_(false) { |
| capability_.width = kDefaultWidth; |
| capability_.height = kDefaultHeight; |
| capability_.maxFPS = kDefaultFrameRate; |
| capture_device_ = nil; |
| } |
| |
| VideoCaptureIos::~VideoCaptureIos() { |
| if (is_capturing_) { |
| [capture_device_ stopCapture]; |
| capture_device_ = nil; |
| } |
| } |
| |
| rtc::scoped_refptr<VideoCaptureModule> VideoCaptureIos::Create( |
| const char* deviceUniqueIdUTF8) { |
| if (!deviceUniqueIdUTF8[0]) { |
| return NULL; |
| } |
| |
| rtc::scoped_refptr<VideoCaptureIos> capture_module( |
| new rtc::RefCountedObject<VideoCaptureIos>()); |
| |
| const int32_t name_length = strlen(deviceUniqueIdUTF8); |
| if (name_length > kVideoCaptureUniqueNameLength) |
| return nullptr; |
| |
| capture_module->_deviceUniqueId = new char[name_length + 1]; |
| strncpy(capture_module->_deviceUniqueId, deviceUniqueIdUTF8, name_length + 1); |
| capture_module->_deviceUniqueId[name_length] = '\0'; |
| |
| capture_module->capture_device_ = |
| [[RTCVideoCaptureIosObjC alloc] initWithOwner:capture_module]; |
| if (!capture_module->capture_device_) { |
| return nullptr; |
| } |
| |
| if (![capture_module->capture_device_ |
| setCaptureDeviceByUniqueId: |
| [[NSString alloc] initWithCString:deviceUniqueIdUTF8 |
| encoding:NSUTF8StringEncoding]]) { |
| return nullptr; |
| } |
| return capture_module; |
| } |
| |
| int32_t VideoCaptureIos::StartCapture( |
| const VideoCaptureCapability& capability) { |
| capability_ = capability; |
| |
| if (![capture_device_ startCaptureWithCapability:capability]) { |
| return -1; |
| } |
| |
| is_capturing_ = true; |
| |
| return 0; |
| } |
| |
| int32_t VideoCaptureIos::StopCapture() { |
| if (![capture_device_ stopCapture]) { |
| return -1; |
| } |
| |
| is_capturing_ = false; |
| return 0; |
| } |
| |
| bool VideoCaptureIos::CaptureStarted() { |
| return is_capturing_; |
| } |
| |
| int32_t VideoCaptureIos::CaptureSettings(VideoCaptureCapability& settings) { |
| settings = capability_; |
| settings.videoType = VideoType::kNV12; |
| return 0; |
| } |