Do a little more checking.

Originally committed as revision 13502 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-05-28 20:30:42 +00:00
parent e1dd8ac744
commit 591944cd0c

View File

@ -110,7 +110,7 @@ static int seq_fill_buffer(SeqDemuxContext *seq, ByteIOContext *pb, int buffer_n
return AVERROR_INVALIDDATA;
seq_buffer = &seq->frame_buffers[buffer_num];
if (seq_buffer->fill_size + data_size > seq_buffer->data_size)
if (seq_buffer->fill_size + data_size > seq_buffer->data_size || data_size <= 0)
return AVERROR_INVALIDDATA;
url_fseek(pb, seq->current_frame_offs + data_offs, SEEK_SET);