[FFmpeg-cvslog] avformat/mux: Don't call ff_toupper4() unnecessarily
Andreas Rheinhardt
git at videolan.org
Thu Oct 27 16:52:34 EEST 2022
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sun Oct 23 14:42:24 2022 +0200| [5da8b522c85c2fb877917c1df6388312803fb36e] | committer: Andreas Rheinhardt
avformat/mux: Don't call ff_toupper4() unnecessarily
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5da8b522c85c2fb877917c1df6388312803fb36e
---
libavformat/mux.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavformat/mux.c b/libavformat/mux.c
index 5d89458f82..a7517dae0a 100644
--- a/libavformat/mux.c
+++ b/libavformat/mux.c
@@ -148,6 +148,7 @@ static int validate_codec_tag(AVFormatContext *s, AVStream *st)
{
const AVCodecTag *avctag;
enum AVCodecID id = AV_CODEC_ID_NONE;
+ unsigned uppercase_tag = ff_toupper4(st->codecpar->codec_tag);
int64_t tag = -1;
/**
@@ -159,7 +160,7 @@ static int validate_codec_tag(AVFormatContext *s, AVStream *st)
for (int n = 0; s->oformat->codec_tag[n]; n++) {
avctag = s->oformat->codec_tag[n];
while (avctag->id != AV_CODEC_ID_NONE) {
- if (ff_toupper4(avctag->tag) == ff_toupper4(st->codecpar->codec_tag)) {
+ if (ff_toupper4(avctag->tag) == uppercase_tag) {
id = avctag->id;
if (id == st->codecpar->codec_id)
return 1;
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