[FFmpeg-devel] [PATCH] avfilter/f_metadata: use AVBPrint API to remove buf size limitation
lance.lmwang at gmail.com
lance.lmwang at gmail.com
Mon Jun 8 17:01:11 EEST 2020
From: Limin Wang <lance.lmwang at gmail.com>
Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
libavfilter/f_metadata.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/libavfilter/f_metadata.c b/libavfilter/f_metadata.c
index 598257b15b..808782d31a 100644
--- a/libavfilter/f_metadata.c
+++ b/libavfilter/f_metadata.c
@@ -31,6 +31,7 @@
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/timestamp.h"
+#include "libavutil/bprint.h"
#include "libavformat/avio.h"
#include "avfilter.h"
#include "audio.h"
@@ -195,9 +196,11 @@ static void print_file(AVFilterContext *ctx, const char *msg, ...)
va_start(argument_list, msg);
if (msg) {
- char buf[128];
- vsnprintf(buf, sizeof(buf), msg, argument_list);
- avio_write(s->avio_context, buf, av_strnlen(buf, sizeof(buf)));
+ AVBPrint buf;
+ av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
+ av_vbprintf(&buf, msg, argument_list);
+ avio_write(s->avio_context, buf.str, buf.len);
+ av_bprint_finalize(&buf, NULL);
}
va_end(argument_list);
}
--
2.21.0
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