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avformat/electronicarts: fix demuxing of certain eam files 

Such files have gaps between header chunks.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-10-22 10:35:09 +02:00
parent 0d7c027483
commit 6debfce6a3
1 changed files with 13 additions and 1 deletions
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14
libavformat/electronicarts.c
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@ -662,7 +662,19 @@ static int ea_read_packet(AVFormatContext *s, AVPacket *pkt)
case SCEl_TAG:
case SEND_TAG:
case SEEN_TAG:
ret = AVERROR(EIO);
while (!avio_feof(pb)) {
int tag = avio_rl32(pb);
if (tag == ISNh_TAG ||
tag == SCHl_TAG ||
tag == SEAD_TAG ||
tag == SHEN_TAG) {
avio_skip(pb, -4);
break;
}
}
if (avio_feof(pb))
ret = AVERROR_EOF;
packet_read = 1;
break;