From c605adbf562fbf535e83ae427bb681bc45e440c8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 18 Jun 2013 17:55:50 +0200 Subject: 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 Signed-off-by: Michael Niedermayer --- libavformat/libmodplug.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'libavformat/libmodplug.c') diff --git a/libavformat/libmodplug.c b/libavformat/libmodplug.c index 193c3b26f7..836b7c2ec0 100644 --- a/libavformat/libmodplug.c +++ b/libavformat/libmodplug.c @@ -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, }; -- cgit v1.2.3