| // Copyright 2013 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 "content/test/test_video_frame_provider.h" |
| |
| #include "base/bind.h" |
| #include "base/location.h" |
| #include "base/message_loop/message_loop_proxy.h" |
| #include "media/base/video_frame.h" |
| |
| namespace content { |
| |
| TestVideoFrameProvider::TestVideoFrameProvider( |
| const gfx::Size& size, |
| const base::TimeDelta& frame_duration, |
| const base::Closure& error_cb, |
| const VideoFrameProvider::RepaintCB& repaint_cb) |
| : message_loop_proxy_(base::MessageLoopProxy::current()), |
| size_(size), |
| state_(kStopped), |
| frame_duration_(frame_duration), |
| error_cb_(error_cb), |
| repaint_cb_(repaint_cb) { |
| } |
| |
| TestVideoFrameProvider::~TestVideoFrameProvider() {} |
| |
| void TestVideoFrameProvider::Start() { |
| DVLOG(1) << "TestVideoFrameProvider::Start"; |
| DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
| state_ = kStarted; |
| message_loop_proxy_->PostTask( |
| FROM_HERE, |
| base::Bind(&TestVideoFrameProvider::GenerateFrame, this)); |
| } |
| |
| void TestVideoFrameProvider::Stop() { |
| DVLOG(1) << "TestVideoFrameProvider::Stop"; |
| DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
| state_ = kStopped; |
| } |
| |
| void TestVideoFrameProvider::Play() { |
| DVLOG(1) << "TestVideoFrameProvider::Play"; |
| DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
| if (state_ == kPaused) |
| state_ = kStarted; |
| } |
| |
| void TestVideoFrameProvider::Pause() { |
| DVLOG(1) << "TestVideoFrameProvider::Pause"; |
| DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
| if (state_ == kStarted) |
| state_ = kPaused; |
| } |
| |
| void TestVideoFrameProvider::GenerateFrame() { |
| DVLOG(1) << "TestVideoFrameProvider::GenerateFrame"; |
| DCHECK(message_loop_proxy_->BelongsToCurrentThread()); |
| if (state_ == kStopped) |
| return; |
| |
| if (state_ == kStarted) { |
| // Always allocate a new frame filled with white color. |
| scoped_refptr<media::VideoFrame> video_frame = |
| media::VideoFrame::CreateColorFrame( |
| size_, 255, 128, 128, current_time_); |
| |
| // TODO(wjia): set pixel data to pre-defined patterns if it's desired to |
| // verify frame content. |
| |
| repaint_cb_.Run(video_frame); |
| } |
| |
| current_time_ += frame_duration_; |
| message_loop_proxy_->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&TestVideoFrameProvider::GenerateFrame, this), |
| frame_duration_); |
| } |
| |
| } // namespace content |