Not only the first, but each latest chunk must be cached to allow
seekback after finding the mime boundary.
Fixes trac #5023 and #5921.
Signed-off-by: Moritz Barsnick <barsnick@gmx.net>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
pkt->size = 0;
pkt->pos = avio_tell(s->pb);
- /* we may need to return as much as all we've read back to the buffer */
- ffio_ensure_seekback(s->pb, read_chunk);
-
- while ((ret = av_append_packet(s->pb, pkt, read_chunk - remaining)) >= 0) {
+ while ((ret = ffio_ensure_seekback(s->pb, read_chunk - remaining)) >= 0 && /* we may need to return as much as all we've read back to the buffer */
+ (ret = av_append_packet(s->pb, pkt, read_chunk - remaining)) >= 0) {
/* scan the new data */
char *start;