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22 lines
519 B
C++
22 lines
519 B
C++
#ifndef FILTER_H
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#define FILTER_H
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#include <vector>
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extern "C" {
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#include <libavcodec/avcodec.h>
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#include <libavfilter/avfilter.h>
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#include <libavutil/buffer.h>
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}
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// Abstract base class for filters
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class Filter {
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public:
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virtual ~Filter() = default;
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virtual int init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx, AVBufferRef *hw_ctx) = 0;
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virtual int process_frame(AVFrame *in_frame, AVFrame **out_frame) = 0;
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virtual int flush(std::vector<AVFrame *> &_) { return 0; }
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};
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#endif // FILTER_H
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