video2x/include/libvideo2x/processor.h
K4YT3X f8dcad3aef
chore(libvideo2x)!: replace the C API with C++ API (#1245)
* chore(libvideo2x)!: replace the C API with C++ API
* fix: convert wide string to u8 for av_opt_set
* style: removed unnecessary enum and struct specifiers

Signed-off-by: k4yt3x <i@k4yt3x.com>
2024-12-02 07:24:30 +00:00

46 lines
1.3 KiB
C++

#ifndef PROCESSOR_H
#define PROCESSOR_H
#include <vector>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#include <libavutil/buffer.h>
}
#include "libvideo2x.h"
class Processor {
public:
virtual ~Processor() = default;
virtual int init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx, AVBufferRef *hw_ctx) = 0;
virtual int flush(std::vector<AVFrame *> &_) { return 0; }
virtual ProcessingMode get_processing_mode() const = 0;
virtual ProcessorType get_processor_type() const = 0;
virtual void get_output_dimensions(
const ProcessorConfig &proc_cfg,
int in_width,
int in_height,
int &width,
int &height
) const = 0;
};
// Abstract base class for filters
class Filter : public Processor {
public:
ProcessingMode get_processing_mode() const override { return ProcessingMode::Filter; }
virtual int filter(AVFrame *in_frame, AVFrame **out_frame) = 0;
};
// Abstract base class for interpolators
class Interpolator : public Processor {
public:
ProcessingMode get_processing_mode() const override { return ProcessingMode::Interpolate; }
virtual int
interpolate(AVFrame *prev_frame, AVFrame *in_frame, AVFrame **out_frame, float time_step) = 0;
};
#endif // PROCESSOR_H