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avformat/vorbiscomment: Don't compute strlen twice

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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-08-23 07:52:54 +02:00
parent dc34bf45c5
commit 64020dfe08
1 changed files with 3 additions and 2 deletions
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5
libavformat/vorbiscomment.c
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@ -66,9 +66,10 @@ int ff_vorbiscomment_write(AVIOContext *pb, const AVDictionary *m,
const char *vendor_string,
AVChapter **chapters, unsigned int nb_chapters)
{
size_t vendor_string_length = strlen(vendor_string);
int cm_count = 0;
avio_wl32(pb, strlen(vendor_string));
avio_write(pb, vendor_string, strlen(vendor_string));
avio_wl32(pb, vendor_string_length);
avio_write(pb, vendor_string, vendor_string_length);
if (chapters && nb_chapters) {
for (int i = 0; i < nb_chapters; i++) {
cm_count += av_dict_count(chapters[i]->metadata) + 1;