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matroskadec: Use string instead of char table as probe data comparison source.

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Originally committed as revision 14592 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-08-05 00:42:02 +00:00
parent eb05caccf2
commit 104be2404e
1 changed files with 3 additions and 3 deletions
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6
libavformat/matroskadec.c
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@ -855,7 +855,7 @@ matroska_probe (AVProbeData *p)
{
uint64_t total = 0;
int len_mask = 0x80, size = 1, n = 1;
uint8_t probe_data[] = { 'm', 'a', 't', 'r', 'o', 's', 'k', 'a' };
char probe_data[] = "matroska";
/* ebml header? */
if (AV_RB32(p->buf) != EBML_ID_HEADER)
@ -881,8 +881,8 @@ matroska_probe (AVProbeData *p)
* we don't parse the whole header but simply check for the
* availability of that array of characters inside the header.
* Not fully fool-proof, but good enough. */
for (n = 4 + size; n <= 4 + size + total - sizeof(probe_data); n++)
if (!memcmp (&p->buf[n], probe_data, sizeof(probe_data)))
for (n = 4+size; n <= 4+size+total-(sizeof(probe_data)-1); n++)
if (!memcmp(p->buf+n, probe_data, sizeof(probe_data)-1))
return AVPROBE_SCORE_MAX;
return 0;