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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/capturer.h"
#include <algorithm>
#include "remoting/base/tracer.h"
namespace remoting {
Capturer::Capturer(MessageLoop* message_loop)
: width_(0),
height_(0),
pixel_format_(media::VideoFrame::INVALID),
bytes_per_row_(0),
current_buffer_(0),
message_loop_(message_loop) {
}
Capturer::~Capturer() {
}
// Return the width of the screen.
int Capturer::width() const {
return width_;
}
// Return the height of the screen.
int Capturer::height() const {
return height_;
}
// Return the pixel format of the screen.
media::VideoFrame::Format Capturer::pixel_format() const {
return pixel_format_;
}
void Capturer::ClearInvalidRects() {
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
inval_rects_.clear();
}
void Capturer::InvalidateRects(const InvalidRects& inval_rects) {
InvalidRects temp_rects;
std::set_union(inval_rects_.begin(), inval_rects_.end(),
inval_rects.begin(), inval_rects.end(),
std::inserter(temp_rects, temp_rects.begin()));
{
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
inval_rects_.swap(temp_rects);
}
}
void Capturer::InvalidateFullScreen() {
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
inval_rects_.clear();
inval_rects_.insert(gfx::Rect(0, 0, width_, height_));
}
void Capturer::CaptureInvalidRects(CaptureCompletedCallback* callback) {
// Calculate which rects need to be captured.
TraceContext::tracer()->PrintString("Started CalculateInvalidRects");
CalculateInvalidRects();
TraceContext::tracer()->PrintString("Done CalculateInvalidRects");
// Braced to scope the lock.
InvalidRects local_rects;
{
base::AutoLock auto_inval_rects_lock(inval_rects_lock_);
local_rects.swap(inval_rects_);
}
TraceContext::tracer()->PrintString("Start CaptureRects");
CaptureRects(local_rects, callback);
}
void Capturer::FinishCapture(scoped_refptr<CaptureData> data,
CaptureCompletedCallback* callback) {
// Select the next buffer to be the current buffer.
current_buffer_ = (current_buffer_ + 1) % kNumBuffers;
callback->Run(data);
delete callback;
}
} // namespace remoting
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