forked from mia/Aegisub
80 lines
3.8 KiB
C++
80 lines
3.8 KiB
C++
// Copyright (c) 2007, Niels Martin Hansen
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
|
|
/// @file video_provider_dummy.h
|
|
/// @see video_provider_dummy.cpp
|
|
/// @ingroup video_input
|
|
///
|
|
|
|
#include "include/aegisub/video_provider.h"
|
|
|
|
namespace agi { struct Color; }
|
|
|
|
/// @class DummyVideoProvider
|
|
/// @brief A dummy video provider for when opening a file is just too much effort
|
|
///
|
|
/// This simply returns a single constant frame, which can either be a flat
|
|
/// color or a checkerboard pattern
|
|
class DummyVideoProvider final : public VideoProvider {
|
|
int framecount; ///< Length of the dummy video in frames
|
|
agi::vfr::Framerate fps; ///< Frame rate to use
|
|
int width; ///< Width in pixels
|
|
int height; ///< Height in pixels
|
|
|
|
/// The data for the image returned for all frames
|
|
std::vector<unsigned char> data;
|
|
|
|
public:
|
|
/// Create a dummy video from separate parameters
|
|
/// @param fps Frame rate of the dummy video
|
|
/// @param frames Length in frames of the dummy video
|
|
/// @param width Width in pixels of the dummy video
|
|
/// @param height Height in pixels of the dummy video
|
|
/// @param colour Primary colour of the dummy video
|
|
/// @param pattern Use a checkerboard pattern rather than a solid colour
|
|
DummyVideoProvider(double fps, int frames, int width, int height, agi::Color colour, bool pattern);
|
|
|
|
/// Make a fake filename which when passed to the constructor taking a
|
|
/// string will result in a video with the given parameters
|
|
static std::string MakeFilename(double fps, int frames, int width, int height, agi::Color colour, bool pattern);
|
|
|
|
void GetFrame(int n, VideoFrame &frame) override;
|
|
void SetColorSpace(std::string const&) override { }
|
|
|
|
int GetFrameCount() const override { return framecount; }
|
|
int GetWidth() const override { return width; }
|
|
int GetHeight() const override { return height; }
|
|
double GetDAR() const override { return 0; }
|
|
agi::vfr::Framerate GetFPS() const override { return fps; }
|
|
std::vector<int> GetKeyFrames() const override { return {}; }
|
|
std::string GetColorSpace() const override { return "None"; }
|
|
std::string GetDecoderName() const override { return "Dummy Video Provider"; }
|
|
bool ShouldSetVideoProperties() const override { return false; }
|
|
};
|