EXPORT bool video_scaler_scale(video_scaler_t *scaler, uint8_t *output[], const uint32_t out_linesize[], const uint8_t *const input[], const uint32_t in_linesize[])
EXPORT int video_scaler_create(video_scaler_t **scaler, const struct video_scale_info *dst, const struct video_scale_info *src, enum video_scale_type type)