0ad48935fc
Rotation is best done when rendered in GPU, added the shader code which rotates the frame. For renderers which don't support rotation, the rotation will be done before sending down the frame to render. By default, assume renderer can't do rotation. BUG=4145 R=glaznev@webrtc.org, pthatcher@webrtc.org Review URL: https://webrtc-codereview.appspot.com/43569004 Cr-Commit-Position: refs/heads/master@{#8660} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8660 4adac7df-926f-26a2-2b94-8c16560cd09d
92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
/*
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* libjingle
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* Copyright 2012 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_APP_WEBRTC_TEST_FAKEVIDEOTRACKRENDERER_H_
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#define TALK_APP_WEBRTC_TEST_FAKEVIDEOTRACKRENDERER_H_
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#include "talk/app/webrtc/mediastreaminterface.h"
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#include "talk/media/base/fakevideorenderer.h"
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namespace webrtc {
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class FakeVideoTrackRenderer : public VideoRendererInterface {
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public:
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FakeVideoTrackRenderer(VideoTrackInterface* video_track)
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: video_track_(video_track),
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can_apply_rotation_(true),
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last_frame_(NULL) {
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video_track_->AddRenderer(this);
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}
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FakeVideoTrackRenderer(VideoTrackInterface* video_track,
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bool can_apply_rotation)
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: video_track_(video_track),
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can_apply_rotation_(can_apply_rotation),
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last_frame_(NULL) {
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video_track_->AddRenderer(this);
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}
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~FakeVideoTrackRenderer() {
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video_track_->RemoveRenderer(this);
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}
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virtual void RenderFrame(const cricket::VideoFrame* video_frame) override {
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last_frame_ = const_cast<cricket::VideoFrame*>(video_frame);
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const cricket::VideoFrame* frame =
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can_apply_rotation_ ? video_frame
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: video_frame->GetCopyWithRotationApplied();
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if (!fake_renderer_.SetSize(static_cast<int>(frame->GetWidth()),
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static_cast<int>(frame->GetHeight()), 0)) {
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return;
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}
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fake_renderer_.RenderFrame(frame);
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}
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virtual bool CanApplyRotation() override { return can_apply_rotation_; }
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int errors() const { return fake_renderer_.errors(); }
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int width() const { return fake_renderer_.width(); }
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int height() const { return fake_renderer_.height(); }
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int num_rendered_frames() const {
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return fake_renderer_.num_rendered_frames();
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}
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const cricket::VideoFrame* last_frame() const { return last_frame_; }
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private:
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cricket::FakeVideoRenderer fake_renderer_;
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rtc::scoped_refptr<VideoTrackInterface> video_track_;
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bool can_apply_rotation_;
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// Weak reference for frame pointer comparison only.
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cricket::VideoFrame* last_frame_;
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};
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} // namespace webrtc
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#endif // TALK_APP_WEBRTC_TEST_FAKEVIDEOTRACKRENDERER_H_
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