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avformat/pcmdec: Fix NULL + 1 

It is undefined behaviour.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2021-02-24 02:08:32 +01:00
parent 301ae25e99
commit b9b0c96db7
1 changed files with 2 additions and 1 deletions
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3
libavformat/pcmdec.c
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@ -57,8 +57,9 @@ static int pcm_read_header(AVFormatContext *s)
len = strlen(mime_type); len = strlen(mime_type);
while (options < mime_type + len) { while (options < mime_type + len) {
options = strstr(options, ";"); options = strstr(options, ";");
if (!options++) if (!options)
break; break;
options++;
if (!rate) if (!rate)
sscanf(options, " rate=%d", &rate); sscanf(options, " rate=%d", &rate);
if (!channels) if (!channels)