ref: dc7a85a6c1902991ee5315cce32e184ead8e1a8b
parent: 430a4eb57cfd48e72f7c9045a24ece58f314ee96
author: Jean-Marc Valin <jmvalin@jmvalin.ca>
date: Thu May 4 18:56:45 EDT 2017
lacing resize
--- a/src/ogg_packer.c
+++ b/src/ogg_packer.c
@@ -220,7 +220,7 @@
int newsize;
unsigned char *newbuf;
newsize = oggp->buf_fill + bytes + MAX_HEADER_SIZE;
- newbuf = realloc(oggp->alloc_buf, oggp->buf_fill + bytes + MAX_HEADER_SIZE);
+ newbuf = realloc(oggp->alloc_buf, newsize);
if (newbuf != NULL) {
oggp->alloc_buf = newbuf;
oggp->buf_size = newsize;
@@ -248,6 +248,23 @@
oggp_flush_page(oggp);
}
assert(oggp->user_buf >= &oggp->buf[oggp->buf_fill]);
+ if (oggp->lacing_fill + nb_255s + 1 > oggp->lacing_size) {
+ /* FIXME: Check if it's worth shifting the lacing values. */
+
+ /* If we didn't shift the values or if we did and there's still not enough room, make some more. */
+ if (oggp->lacing_fill + nb_255s + 1 > oggp->lacing_size) {
+ int newsize;
+ unsigned char *newbuf;
+ newsize = oggp->lacing_fill + nb_255s + 1;
+ newbuf = realloc(oggp->lacing, newsize);
+ if (newbuf != NULL) {
+ oggp->lacing = newbuf;
+ oggp->lacing_size = newsize;
+ } else {
+ return 1;
+ }
+ }
+ }
/* If we moved the buffer data, update the incoming packet location. */
if (oggp->user_buf > &oggp->buf[oggp->buf_fill]) {
memmove(&oggp->buf[oggp->buf_fill], oggp->user_buf, bytes);
@@ -289,7 +306,7 @@
}
/** Get a pointer to the contents of the next available page. Pointer is
- invalidated on the next call to oggp_get_next_page(). */
+ invalidated on the next call to oggp_get_next_page() or oggp_commit_packet(). */
int oggp_get_next_page(oggpacker *oggp, unsigned char **page, int *bytes) {
oggp_page *p;
int i;
--- a/src/ogg_packer.h
+++ b/src/ogg_packer.h
@@ -64,7 +64,7 @@
int oggp_flush_page(oggpacker *oggp);
/** Get a pointer to the contents of the next available page. Pointer is
- invalidated on the next call to oggp_get_next_page(). */
+ invalidated on the next call to oggp_get_next_page() or oggp_commit_packet(). */
int oggp_get_next_page(oggpacker *oggp, unsigned char **page, int *bytes);
/** Creates a new (chained) stream. This closes all outstanding pages. These