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// Copyright 2015 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 CHROMECAST_PUBLIC_VIDEO_PLANE_H_
#define CHROMECAST_PUBLIC_VIDEO_PLANE_H_
namespace chromecast {
struct RectF;
struct Size;
namespace media {
class VideoPlane {
public:
// List of possible hardware transforms that can be applied to video.
// Rotations are anticlockwise.
enum Transform {
TRANSFORM_NONE,
ROTATE_90,
ROTATE_180,
ROTATE_270,
FLIP_HORIZONTAL,
FLIP_VERTICAL,
};
enum CoordinateType {
// Graphics plane as coordinate type.
COORDINATE_TYPE_GRAPHICS_PLANE = 0,
// Output display screen as coordinate type.
COORDINATE_TYPE_SCREEN_RESOLUTION = 1,
};
virtual ~VideoPlane() {}
// Gets output screen resolution.
virtual Size GetScreenResolution() = 0;
// Updates the video plane geometry.
// |display_rect| specifies the rectangle that the video should occupy.
// |coordinate_type| gives the coordinate space of |display_rect|.
// |transform| specifies how the video should be transformed within that
// rectangle.
virtual void SetGeometry(const RectF& display_rect,
CoordinateType coordinate_type,
Transform transform) = 0;
// Notifies VideoPlane that screen resolution has changed.
virtual void OnScreenResolutionChanged(const Size& screen_res) = 0;
};
} // namespace media
} // namespace chromecast
#endif // CHROMECAST_PUBLIC_VIDEO_PLANE_H_