auenc: do not write invalid file size

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-12-28 13:21:36 +00:00
parent 8afe168c78
commit 507956824c

View File

@ -174,12 +174,10 @@ static int au_write_packet(AVFormatContext *s, AVPacket *pkt)
static int au_write_trailer(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
int64_t file_size;
if (s->pb->seekable) {
int64_t file_size = avio_tell(pb);
if (s->pb->seekable && file_size < INT32_MAX) {
/* update file size */
file_size = avio_tell(pb);
avio_seek(pb, 8, SEEK_SET);
avio_wb32(pb, (uint32_t)(file_size - AU_HEADER_SIZE));
avio_seek(pb, file_size, SEEK_SET);