summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPaul B Mahol <onemda@gmail.com>2022-03-07 16:57:30 +0100
committerPaul B Mahol <onemda@gmail.com>2022-03-07 17:00:12 +0100
commit13a153d801011c4ec82b90af1351e10dcf1754e1 (patch)
treed6f5b51ed7135ca2cfbd27e20a1c00d14cf41b96
parent328247076c7e77dea53ab59341ff1d85a1ad43cf (diff)
avfilter/f_sendcmd: export width and height too
-rw-r--r--doc/filters.texi6
-rw-r--r--libavfilter/f_sendcmd.c6
2 files changed, 12 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index 8427b88d3d..26c5b4db48 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -27041,6 +27041,12 @@ The end time in seconds of the current command interval.
@item TI
The interpolated time of the current command interval, TI = (T - TS) / (TE - TS).
+
+@item W
+The video frame width.
+
+@item H
+The video frame height.
@end table
@end table
diff --git a/libavfilter/f_sendcmd.c b/libavfilter/f_sendcmd.c
index 7261a05aae..04bfc84a06 100644
--- a/libavfilter/f_sendcmd.c
+++ b/libavfilter/f_sendcmd.c
@@ -46,6 +46,8 @@ static const char *const var_names[] = {
"TS", /* interval start time in seconds */
"TE", /* interval end time in seconds */
"TI", /* interval interpolated value: TI = (T - TS) / (TE - TS) */
+ "W", /* width for video frames */
+ "H", /* height for video frames */
NULL
};
@@ -57,6 +59,8 @@ enum var_name {
VAR_TS,
VAR_TE,
VAR_TI,
+ VAR_W,
+ VAR_H,
VAR_VARS_NB
};
@@ -531,6 +535,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *ref)
var_values[VAR_TS] = start;
var_values[VAR_TE] = end;
var_values[VAR_TI] = (current - start) / (end - start);
+ var_values[VAR_W] = ref->width;
+ var_values[VAR_H] = ref->height;
if ((ret = av_expr_parse_and_eval(&res, cmd->arg, var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0) {