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// Copyright 2012 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.
#ifndef CC_LAYERS_VIDEO_LAYER_IMPL_H_
#define CC_LAYERS_VIDEO_LAYER_IMPL_H_
#include <vector>
#include "base/macros.h"
#include "cc/base/cc_export.h"
#include "cc/layers/layer_impl.h"
#include "cc/resources/release_callback_impl.h"
#include "cc/resources/video_resource_updater.h"
#include "media/base/video_rotation.h"
namespace media {
class VideoFrame;
}
namespace cc {
class VideoFrameProvider;
class VideoFrameProviderClientImpl;
class CC_EXPORT VideoLayerImpl : public LayerImpl {
public:
// Must be called on the impl thread while the main thread is blocked. This is
// so that |provider| stays alive while this is being created.
static scoped_ptr<VideoLayerImpl> Create(LayerTreeImpl* tree_impl,
int id,
VideoFrameProvider* provider,
media::VideoRotation video_rotation);
~VideoLayerImpl() override;
// LayerImpl implementation.
scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
bool WillDraw(DrawMode draw_mode,
ResourceProvider* resource_provider) override;
void AppendQuads(RenderPass* render_pass,
AppendQuadsData* append_quads_data) override;
void DidDraw(ResourceProvider* resource_provider) override;
SimpleEnclosedRegion VisibleOpaqueRegion() const override;
void DidBecomeActive() override;
void ReleaseResources() override;
void SetNeedsRedraw();
media::VideoRotation video_rotation() const { return video_rotation_; }
private:
VideoLayerImpl(
LayerTreeImpl* tree_impl,
int id,
const scoped_refptr<VideoFrameProviderClientImpl>& provider_client_impl,
media::VideoRotation video_rotation);
const char* LayerTypeAsString() const override;
scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl_;
scoped_refptr<media::VideoFrame> frame_;
media::VideoRotation video_rotation_;
scoped_ptr<VideoResourceUpdater> updater_;
VideoFrameExternalResources::ResourceType frame_resource_type_;
struct FrameResource {
FrameResource(ResourceId id,
gfx::Size size_in_pixels,
bool is_overlay_candidate)
: id(id),
size_in_pixels(size_in_pixels),
is_overlay_candidate(is_overlay_candidate) {}
ResourceId id;
gfx::Size size_in_pixels;
bool is_overlay_candidate;
};
std::vector<FrameResource> frame_resources_;
// TODO(danakj): Remove these, hide software path inside ResourceProvider and
// ExternalResource (aka TextureMailbox) classes.
std::vector<unsigned> software_resources_;
// Called once for each software resource.
ReleaseCallbackImpl software_release_callback_;
DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl);
};
} // namespace cc
#endif // CC_LAYERS_VIDEO_LAYER_IMPL_H_