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Disable parsing for ogg streams where no ogg header was found,

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if no header was found the parser was not initialized and thus will
crash when trying to use it.



Originally committed as revision 21708 to svn://svn.ffmpeg.org/ffmpeg/branches/0.5
This commit is contained in:
Reinhard Tartler
2010-02-09 18:24:30 +00:00
parent 1e9ac36f66
commit 95f90d27d2
1 changed files with 5 additions and 0 deletions
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5
libavformat/oggdec.c
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@ -477,12 +477,17 @@ static int
ogg_read_header (AVFormatContext * s, AVFormatParameters * ap) ogg_read_header (AVFormatContext * s, AVFormatParameters * ap)
{ {
struct ogg *ogg = s->priv_data; struct ogg *ogg = s->priv_data;
int i;
ogg->curidx = -1; ogg->curidx = -1;
//linear headers seek from start //linear headers seek from start
if (ogg_get_headers (s) < 0){ if (ogg_get_headers (s) < 0){
return -1; return -1;
} }
for (i = 0; i < ogg->nstreams; i++)
if (ogg->streams[i].header < 0)
ogg->streams[i].codec = NULL;
//linear granulepos seek from end //linear granulepos seek from end
ogg_get_length (s); ogg_get_length (s);