ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | Tue Mar 19 04:17:18 2024 +0100| [ee736ff80ed967999645147c974cd1941d5e6a21] | committer: Andreas Rheinhardt
avformat/flvenc: Avoid avio_write(pb, "", 0) 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> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ee736ff80ed967999645147c974cd1941d5e6a21 --- libavformat/flvenc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c index 7e410e627e..a7d4fa46a2 100644 --- a/libavformat/flvenc.c +++ b/libavformat/flvenc.c @@ -231,6 +231,9 @@ static void put_amf_string(AVIOContext *pb, const char *str) { size_t len = strlen(str); avio_wb16(pb, len); + // Avoid avio_write() if put_amf_string(pb, "") is inlined. + if (av_builtin_constant_p(len == 0) && len == 0) + return; avio_write(pb, str, len); } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
