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avfilter/drawtext: allow to format pts with strftime

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Signed-off-by: Alex Agranovsky <alex@sighthound.com>
This commit is contained in:
Alex Agranovsky
2015-10-10 14:52:34 -04:00
committed by Nicolas George
parent 1f3a29e999
commit cf28490e56
2 changed files with 18 additions and 2 deletions
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12
libavfilter/vf_drawtext.c
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@@ -824,6 +824,16 @@ static int func_pts(AVFilterContext *ctx, AVBPrint *bp,
(int)(ms / 1000) % 60,
(int)ms % 1000);
}
} else if (!strcmp(fmt, "localtime") ||
!strcmp(fmt, "gmtime")) {
struct tm tm;
time_t ms = (time_t)pts;
const char *timefmt = argc >= 3 ? argv[2] : "%Y-%m-%d %H:%M:%S";
if (!strcmp(fmt, "localtime"))
localtime_r(&ms, &tm);
else
gmtime_r(&ms, &tm);
av_bprint_strftime(bp, timefmt, &tm);
} else {
av_log(ctx, AV_LOG_ERROR, "Invalid format '%s'\n", fmt);
return AVERROR(EINVAL);
@@ -958,7 +968,7 @@ static const struct drawtext_function {
{ "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 },
{ "pts", 0, 3, 0, func_pts },
{ "gmtime", 0, 1, 'G', func_strftime },
{ "localtime", 0, 1, 'L', func_strftime },
{ "frame_num", 0, 0, 0, func_frame_num },