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lavfi/drawtext: add 24 hours wrapping option for timecode.

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Fixes ticket #1044.
This commit is contained in:
Clément Bœsch 2012-03-12 09:16:04 +01:00 committed by Clément Bœsch
parent 88c76c7d22
commit 4fe5448790
1 changed files with 4 additions and 0 deletions
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4
libavfilter/vf_drawtext.c
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@ -161,6 +161,7 @@ typedef struct {
char *tc_opt_string; ///< specified timecode option string
AVRational tc_rate; ///< frame rate for timecode
AVTimecode tc; ///< timecode context
int tc24hmax; ///< 1 if timecode is wrapped to 24 hours, 0 otherwise
int frame_id;
} DrawTextContext;
@ -183,6 +184,7 @@ static const AVOption drawtext_options[]= {
{"basetime", "set base time", OFFSET(basetime), AV_OPT_TYPE_INT64, {.dbl=AV_NOPTS_VALUE}, INT64_MIN, INT64_MAX },
{"draw", "if false do not draw", OFFSET(d_expr), AV_OPT_TYPE_STRING, {.str="1"}, CHAR_MIN, CHAR_MAX },
{"timecode", "set initial timecode", OFFSET(tc_opt_string), AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX },
{"tc24hmax", "set 24 hours max (timecode only)", OFFSET(tc24hmax), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
{"r", "set rate (timecode only)", OFFSET(tc_rate), AV_OPT_TYPE_RATIONAL, {.dbl=0}, 0, INT_MAX },
{"rate", "set rate (timecode only)", OFFSET(tc_rate), AV_OPT_TYPE_RATIONAL, {.dbl=0}, 0, INT_MAX },
{"fix_bounds", "if true, check and fix text coords to avoid clipping",
@ -351,6 +353,8 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
dtext->tc_opt_string, ctx);
if (ret < 0)
return ret;
if (dtext->tc24hmax)
dtext->tc.flags |= AV_TIMECODE_FLAG_24HOURSMAX;
if (!dtext->text)
dtext->text = av_strdup("");
}