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lavfi/drawtext: add alias "expr_int_format" to expansion function "eif" 

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Andrey Utkin 2014-07-18 01:00:40 +03:00 committed by Michael Niedermayer
parent 0035783488
commit cb8cb85da7
2 changed files with 3 additions and 2 deletions
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2
doc/filters.texi
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@ -3916,7 +3916,7 @@ example the text size is not known when evaluating the expression, so
the constants @var{text_w} and @var{text_h} will have an undefined
value.
@item eif
@item expr_int_format, eif
Evaluate the expression's value and output as formatted integer.
First argument is expression to be evaluated, same as for @var{expr} function.

3
libavfilter/vf_drawtext.c
View File

@ -949,7 +949,7 @@ static int func_eval_expr_int_format(AVFilterContext *ctx, AVBPrint *bp,
if (argc == 3) {
ret = sscanf(argv[2], "%u", &positions);
if (ret != 1) {
av_log(ctx, AV_LOG_ERROR, "eif(): Invalid number of positions"
av_log(ctx, AV_LOG_ERROR, "expr_int_format(): Invalid number of positions"
" to print: '%s'\n", argv[2]);
return AVERROR(EINVAL);
}
@ -982,6 +982,7 @@ static const struct drawtext_function {
} functions[] = {
{ "expr", 1, 1, 0, func_eval_expr },
{ "e", 1, 1, 0, func_eval_expr },
{ "expr_int_format", 2, 3, 0, func_eval_expr_int_format },
{ "eif", 2, 3, 0, func_eval_expr_int_format },
{ "pict_type", 0, 0, 0, func_pict_type },
{ "pts", 0, 2, 0, func_pts },