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avfilter/graphdump: Properly initialize AVBPrint

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Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-08-26 12:02:29 +02:00
parent 831718bbab
commit daeef7d220
1 changed files with 4 additions and 2 deletions
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6
libavfilter/graphdump.c
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@ -31,10 +31,12 @@ static int print_link_prop(AVBPrint *buf, AVFilterLink *link)
{
char *format;
char layout[64];
AVBPrint dummy_buffer = { 0 };
AVBPrint dummy_buffer;
if (!buf)
if (!buf) {
buf = &dummy_buffer;
av_bprint_init(buf, 0, AV_BPRINT_SIZE_COUNT_ONLY);
}
switch (link->type) {
case AVMEDIA_TYPE_VIDEO:
format = av_x_if_null(av_get_pix_fmt_name(link->format), "?");