avformat/libmodplug: Reduce the probe score for small input

This ensures that theres enough data for mpeg_probe() to recognize mpeg-ps
Fixes Ticket2583

Based on code by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-06-18 17:55:50 +02:00
parent 2d70f11ef5
commit c605adbf56

View File

@ -347,6 +347,19 @@ static int modplug_read_seek(AVFormatContext *s, int stream_idx, int64_t ts, int
return 0;
}
static const char modplug_extensions[] = "669,abc,amf,ams,dbm,dmf,dsm,far,it,mdl,med,mid,mod,mt2,mtm,okt,psm,ptm,s3m,stm,ult,umx,xm,itgz,itr,itz,mdgz,mdr,mdz,s3gz,s3r,s3z,xmgz,xmr,xmz";
static int modplug_probe(AVProbeData *p)
{
if (av_match_ext(p->filename, modplug_extensions)) {
if (p->buf_size < 16384)
return AVPROBE_SCORE_EXTENSION/2-1;
else
return AVPROBE_SCORE_EXTENSION;
}
return 0;
}
static const AVClass modplug_class = {
.class_name = "ModPlug demuxer",
.item_name = av_default_item_name,
@ -358,11 +371,11 @@ AVInputFormat ff_libmodplug_demuxer = {
.name = "libmodplug",
.long_name = NULL_IF_CONFIG_SMALL("ModPlug demuxer"),
.priv_data_size = sizeof(ModPlugContext),
.read_probe = modplug_probe,
.read_header = modplug_read_header,
.read_packet = modplug_read_packet,
.read_close = modplug_read_close,
.read_seek = modplug_read_seek,
.extensions = "669,abc,amf,ams,dbm,dmf,dsm,far,it,mdl,med,mid,mod,mt2,mtm,okt,psm,ptm,s3m,stm,ult,umx,xm"
",itgz,itr,itz,mdgz,mdr,mdz,s3gz,s3r,s3z,xmgz,xmr,xmz", // compressed mods
.extensions = modplug_extensions,
.priv_class = &modplug_class,
};