When the compiler chooses to inline put_amf_string(pb, ""),
the avio_write(pb, "", 0) can be avoided. Happens with
Clang-17 with -O1 and higher and GCC 13 with -O2 and higher
here.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavformat/flvenc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c
index 7e410e627e..d6c9124d5d 100644
--- a/libavformat/flvenc.c
+++ b/libavformat/flvenc.c
@@ -231,6 +231,8 @@ static void put_amf_string(AVIOContext *pb, const char *str)
{
size_t len = strlen(str);
avio_wb16(pb, len);
+ if (av_builtin_constant_p(len == 0) && len == 0)
+ return;
avio_write(pb, str, len);
}
--
2.40.1
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
