if (len > size)
len = size;
if (len == 0) {
- fill_buffer(s);
- len = s->buf_end - s->buf_ptr;
- if (len == 0)
- break;
+ if(size > s->buffer_size && !s->update_checksum){
+ len = s->read_packet(s->opaque, buf, size);
+ if (len <= 0) {
+ /* do not modify buffer if EOF reached so that a seek back can
+ be done without rereading data */
+ s->eof_reached = 1;
+ if(len<0)
+ s->error= len;
+ break;
+ } else {
+ s->pos += len;
+ size -= len;
+ buf += len;
+ s->buf_ptr = s->buffer;
+ s->buf_end = s->buffer/* + len*/;
+ }
+ }else{
+ fill_buffer(s);
+ len = s->buf_end - s->buf_ptr;
+ if (len == 0)
+ break;
+ }
} else {
memcpy(buf, s->buf_ptr, len);
buf += len;