AndroidVideoCapturer: Return frames that have been dropped

Currently, we only return frames if CreateAliasedFrame() is called, which is not the case for dropped frames.

Review URL: https://codereview.webrtc.org/1268333005

Cr-Commit-Position: refs/heads/master@{#9683}
This commit is contained in:
magjed
2015-08-06 04:00:16 -07:00
committed by Commit bot
parent c937139176
commit fcf8ece6ba

View File

@ -71,6 +71,8 @@ class AndroidVideoCapturer::FrameFactory : public cricket::VideoFrameFactory {
int height,
int rotation,
int64 time_stamp_in_ns) {
// Make sure we don't overwrite the previous frame.
CHECK(captured_frame_.data == nullptr);
captured_frame_.fourcc = static_cast<uint32>(cricket::FOURCC_YV12);
captured_frame_.data = frame_data;
captured_frame_.width = width;
@ -81,6 +83,15 @@ class AndroidVideoCapturer::FrameFactory : public cricket::VideoFrameFactory {
captured_frame_.data_size = length;
}
void ClearCapturedFrame() const {
captured_frame_.data = nullptr;
captured_frame_.width = 0;
captured_frame_.height = 0;
captured_frame_.elapsed_time = 0;
captured_frame_.time_stamp = 0;
captured_frame_.data_size = 0;
}
const cricket::CapturedFrame* GetCapturedFrame() const {
return &captured_frame_;
}
@ -94,6 +105,7 @@ class AndroidVideoCapturer::FrameFactory : public cricket::VideoFrameFactory {
// of |AndroidVideoCapturer::OnIncomingFrame_w|.
// Check that captured_frame is actually our frame.
CHECK(captured_frame == &captured_frame_);
CHECK(captured_frame->data != nullptr);
if (!apply_rotation_ || captured_frame->rotation == kVideoRotation_0) {
CHECK(captured_frame->fourcc == cricket::FOURCC_YV12);
@ -121,16 +133,17 @@ class AndroidVideoCapturer::FrameFactory : public cricket::VideoFrameFactory {
rtc::Bind(&AndroidVideoCapturer::FrameFactory::ReturnFrame,
delegate_,
captured_frame->time_stamp)));
return new WebRtcVideoFrame(
cricket::VideoFrame* cricket_frame = new WebRtcVideoFrame(
buffer, captured_frame->elapsed_time,
captured_frame->time_stamp, captured_frame->GetRotation());
// |cricket_frame| is now responsible for returning the frame. Clear
// |captured_frame_| so the frame isn't returned twice.
ClearCapturedFrame();
return cricket_frame;
}
scoped_ptr<WebRtcVideoFrame> frame(new WebRtcVideoFrame());
frame->Init(captured_frame, dst_width, dst_height, apply_rotation_);
// frame->Init copies the data in |captured_frame| so it is safe to return
// the buffer immediately.
delegate_->ReturnBuffer(captured_frame->time_stamp);
return frame.release();
}
@ -141,7 +154,9 @@ class AndroidVideoCapturer::FrameFactory : public cricket::VideoFrameFactory {
private:
uint64 start_time_;
cricket::CapturedFrame captured_frame_;
// |captured_frame_| is mutable as a hacky way to modify it inside
// CreateAliasedframe().
mutable cricket::CapturedFrame captured_frame_;
scoped_refptr<AndroidVideoCapturerDelegate> delegate_;
};
@ -247,6 +262,14 @@ void AndroidVideoCapturer::OnIncomingFrame(void* frame_data,
frame_factory_->UpdateCapturedFrame(frame_data, length, width, height,
rotation, time_stamp);
SignalFrameCaptured(this, frame_factory_->GetCapturedFrame());
if (frame_factory_->GetCapturedFrame()->data == nullptr) {
// Ownership has been passed to a WrappedI420Buffer. Do nothing.
} else {
// |captured_frame_| has either been copied or dropped, return it
// immediately.
delegate_->ReturnBuffer(time_stamp);
frame_factory_->ClearCapturedFrame();
}
}
void AndroidVideoCapturer::OnOutputFormatRequest(