Lime3DS/src/core/dumping/backend.h
zhupengfei 3f64aaabbd
core: Add video dumper interface
The VideoFrame is rotated while copying, to put the pixels in their correct positions (OpenGL seems to return the image in reverted order by default)
2019-08-13 19:28:02 +08:00

60 lines
1.9 KiB
C++

// Copyright 2018 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include <vector>
#include "audio_core/audio_types.h"
#include "common/common_types.h"
#include "core/frontend/framebuffer_layout.h"
namespace VideoDumper {
/**
* Frame dump data for a single screen
* data is in RGB888 format, left to right then top to bottom
*/
class VideoFrame {
public:
std::size_t width;
std::size_t height;
u32 stride;
std::vector<u8> data;
VideoFrame(std::size_t width_ = 0, std::size_t height_ = 0, u8* data_ = nullptr);
};
class Backend {
public:
virtual ~Backend();
virtual bool StartDumping(const std::string& path, const std::string& format,
const Layout::FramebufferLayout& layout) = 0;
virtual void AddVideoFrame(const VideoFrame& frame) = 0;
virtual void AddAudioFrame(const AudioCore::StereoFrame16& frame) = 0;
virtual void AddAudioSample(const std::array<s16, 2>& sample) = 0;
virtual void StopDumping() = 0;
virtual bool IsDumping() const = 0;
virtual Layout::FramebufferLayout GetLayout() const = 0;
};
class NullBackend : public Backend {
public:
~NullBackend() override;
bool StartDumping(const std::string& /*path*/, const std::string& /*format*/,
const Layout::FramebufferLayout& /*layout*/) override {
return false;
}
void AddVideoFrame(const VideoFrame& /*frame*/) override {}
void AddAudioFrame(const AudioCore::StereoFrame16& /*frame*/) override {}
void AddAudioSample(const std::array<s16, 2>& /*sample*/) override {}
void StopDumping() override {}
bool IsDumping() const override {
return false;
}
Layout::FramebufferLayout GetLayout() const override {
return Layout::FramebufferLayout{};
}
};
} // namespace VideoDumper