#include "libavutil/imgutils.h"
#include "libavutil/mathematics.h"
-static const char *var_names[] = {
- "E",
- "PHI",
- "PI",
+static const char * const var_names[] = {
"in_w", "iw", ///< width of the input video
"in_h", "ih", ///< height of the input video
"out_w", "ow", ///< width of the cropped video
};
enum var_name {
- VAR_E,
- VAR_PHI,
- VAR_PI,
VAR_IN_W, VAR_IW,
VAR_IN_H, VAR_IH,
VAR_OUT_W, VAR_OW,
const char *expr;
double res;
- crop->var_values[VAR_E] = M_E;
- crop->var_values[VAR_PHI] = M_PHI;
- crop->var_values[VAR_PI] = M_PI;
crop->var_values[VAR_IN_W] = crop->var_values[VAR_IW] = ctx->inputs[0]->w;
crop->var_values[VAR_IN_H] = crop->var_values[VAR_IH] = ctx->inputs[0]->h;
crop->var_values[VAR_A] = (float) link->w / link->h;
.init = init,
.uninit = uninit,
- .inputs = (AVFilterPad[]) {{ .name = "default",
+ .inputs = (const AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.start_frame = start_frame,
.draw_slice = draw_slice,
.get_video_buffer = avfilter_null_get_video_buffer,
.config_props = config_input, },
{ .name = NULL}},
- .outputs = (AVFilterPad[]) {{ .name = "default",
+ .outputs = (const AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_output, },
{ .name = NULL}},