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format_converter.cpp
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format_converter.cpp
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#include "format_converter.h"
#include <iostream>
FormatConverter::FormatConverter(size_t src_width, size_t src_height, size_t dest_width, size_t dest_height, AVPixelFormat input_pixel_format, AVPixelFormat output_pixel_format)
: src_width_{src_width},
src_height_{src_height},
dest_width_{dest_width},
dest_height_{dest_height},
output_pixel_format_{output_pixel_format},
conversion_context_{sws_getContext(
// Source
src_width,
src_height,
input_pixel_format,
// Destination
dest_width,
dest_height,
output_pixel_format,
// Filters
SWS_BICUBIC,
nullptr,
nullptr,
nullptr)} {}
size_t FormatConverter::src_width() const {
return src_width_;
}
size_t FormatConverter::src_height() const {
return src_height_;
}
size_t FormatConverter::dest_width() const {
return dest_width_;
}
size_t FormatConverter::dest_height() const {
return dest_height_;
}
AVPixelFormat FormatConverter::output_pixel_format() const {
return output_pixel_format_;
}
void FormatConverter::operator()(AVFrame* src, AVFrame* dst) {
sws_scale(conversion_context_,
// Source
src->data, src->linesize, 0, src_height_,
// Destination
dst->data, dst->linesize);
}