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avformat/jacosubdec: make probing less tolerant. 

Fixes a failure with probetest:
  ./tools/probetest 8192 500000
  [...]
  Failure of jacosub probing code with score=51 type=1 p=CAB size=16

Random data was:
  00000000  40 37 40 30 93 01 48 e0 09 96 10 90 78 0f 0c 10 @7@0..H.....x...
This commit is contained in:
Clément Bœsch 2013-11-19 12:53:14 +01:00
parent b31587af4b
commit 722fb81dc5
1 changed files with 2 additions and 1 deletions
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3
libavformat/jacosubdec.c
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@ -43,8 +43,9 @@ typedef struct {
static int timed_line(const char *ptr)
{
char c;
int fs, fe;
return (sscanf(ptr, "%*u:%*u:%*u.%*u %*u:%*u:%*u.%*u %c", &c) == 1 ||
sscanf(ptr, "@%*u @%*u %c", &c) == 1);
(sscanf(ptr, "@%u @%u %c", &fs, &fe, &c) == 3 && fs < fe));
}
static int jacosub_probe(AVProbeData *p)