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avformat/srtdec: skip initial random line breaks.

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I found a bunch of (recent) SRT files in the wild with 3 to 10 line
breaks at the beginning.
This commit is contained in:
Clément Bœsch 2013-09-08 16:17:46 +02:00
parent 7d7b4e8d5c
commit cfcd55db16
1 changed files with 2 additions and 0 deletions
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libavformat/srtdec.c
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@ -37,6 +37,8 @@ static int srt_probe(AVProbeData *p)
if (AV_RB24(ptr) == 0xEFBBBF) if (AV_RB24(ptr) == 0xEFBBBF)
ptr += 3; /* skip UTF-8 BOM */ ptr += 3; /* skip UTF-8 BOM */
while (*ptr == '\r' || *ptr == '\n')
ptr++;
for (i=0; i<2; i++) { for (i=0; i<2; i++) {
if ((num == i || num + 1 == i) if ((num == i || num + 1 == i)
&& sscanf(ptr, "%*d:%*2d:%*2d%*1[,.]%*3d --> %*d:%*2d:%*2d%*1[,.]%3d", &v) == 1) && sscanf(ptr, "%*d:%*2d:%*2d%*1[,.]%*3d --> %*d:%*2d:%*2d%*1[,.]%3d", &v) == 1)