rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/api/androidvideocapturer.cc

100 lines
3.1 KiB
C++

/*
* Copyright 2015 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.
*/
#include "webrtc/api/androidvideocapturer.h"
#include <memory>
#include "webrtc/api/java/jni/native_handle_impl.h"
#include "webrtc/base/common.h"
#include "webrtc/base/timeutils.h"
#include "webrtc/media/engine/webrtcvideoframe.h"
namespace webrtc {
AndroidVideoCapturer::AndroidVideoCapturer(
const rtc::scoped_refptr<AndroidVideoCapturerDelegate>& delegate)
: running_(false),
delegate_(delegate),
current_state_(cricket::CS_STOPPED) {
thread_checker_.DetachFromThread();
SetSupportedFormats(delegate_->GetSupportedFormats());
}
AndroidVideoCapturer::~AndroidVideoCapturer() {
RTC_CHECK(!running_);
}
cricket::CaptureState AndroidVideoCapturer::Start(
const cricket::VideoFormat& capture_format) {
RTC_CHECK(thread_checker_.CalledOnValidThread());
RTC_CHECK(!running_);
const int fps = cricket::VideoFormat::IntervalToFps(capture_format.interval);
LOG(LS_INFO) << " AndroidVideoCapturer::Start " << capture_format.width << "x"
<< capture_format.height << "@" << fps;
running_ = true;
delegate_->Start(capture_format.width, capture_format.height, fps, this);
SetCaptureFormat(&capture_format);
current_state_ = cricket::CS_STARTING;
return current_state_;
}
void AndroidVideoCapturer::Stop() {
LOG(LS_INFO) << " AndroidVideoCapturer::Stop ";
RTC_CHECK(thread_checker_.CalledOnValidThread());
RTC_CHECK(running_);
running_ = false;
SetCaptureFormat(NULL);
delegate_->Stop();
current_state_ = cricket::CS_STOPPED;
SetCaptureState(current_state_);
}
bool AndroidVideoCapturer::IsRunning() {
RTC_CHECK(thread_checker_.CalledOnValidThread());
return running_;
}
bool AndroidVideoCapturer::GetPreferredFourccs(std::vector<uint32_t>* fourccs) {
RTC_CHECK(thread_checker_.CalledOnValidThread());
fourccs->push_back(cricket::FOURCC_YV12);
return true;
}
void AndroidVideoCapturer::OnCapturerStarted(bool success) {
RTC_CHECK(thread_checker_.CalledOnValidThread());
cricket::CaptureState new_state =
success ? cricket::CS_RUNNING : cricket::CS_FAILED;
if (new_state == current_state_)
return;
current_state_ = new_state;
SetCaptureState(new_state);
}
void AndroidVideoCapturer::OnOutputFormatRequest(
int width, int height, int fps) {
RTC_CHECK(thread_checker_.CalledOnValidThread());
cricket::VideoFormat format(width, height,
cricket::VideoFormat::FpsToInterval(fps), 0);
video_adapter()->OnOutputFormatRequest(format);
}
bool AndroidVideoCapturer::GetBestCaptureFormat(
const cricket::VideoFormat& desired,
cricket::VideoFormat* best_format) {
// Delegate this choice to VideoCapturer.startCapture().
*best_format = desired;
return true;
}
} // namespace webrtc