19 #ifndef AVFILTER_SCALE_EVAL_H 20 #define AVFILTER_SCALE_EVAL_H 33 const char *w_expr,
const char *h_expr,
35 int *ret_w,
int *ret_h);
46 int *ret_w,
int *ret_h,
47 int force_original_aspect_ratio,
int force_divisible_by);
Main libavfilter public API header.
int ff_scale_eval_dimensions(void *ctx, const char *w_expr, const char *h_expr, AVFilterLink *inlink, AVFilterLink *outlink, int *ret_w, int *ret_h)
Parse and evaluate string expressions for width and height.
A link between two filters.
int ff_scale_adjust_dimensions(AVFilterLink *inlink, int *ret_w, int *ret_h, int force_original_aspect_ratio, int force_divisible_by)
Transform evaluated width and height obtained from ff_scale_eval_dimensions into actual target width ...