ref: e30489084793942c2acd903f96e29b8a45bd14c6
parent: dc7a85a6c1902991ee5315cce32e184ead8e1a8b
author: Jean-Marc Valin <[email protected]>
date: Thu May 4 20:28:12 EDT 2017
Fixes some bugs
--- a/src/ogg_packer.c
+++ b/src/ogg_packer.c
@@ -28,6 +28,7 @@
#include <string.h>
#include <assert.h>
+#include <stdio.h>
#include "ogg_packer.h"
#define MAX_HEADER_SIZE (27+255)
@@ -241,7 +242,6 @@
int i;
int nb_255s;
assert(oggp->user_buf != NULL);
- oggp->buf_fill += bytes;
nb_255s = bytes/255;
if (oggp->lacing_fill-oggp->lacing_begin+nb_255s+1 > 255 ||
(oggp->muxing_delay && granulepos - oggp->last_granule > oggp->muxing_delay)) {
@@ -248,6 +248,7 @@
oggp_flush_page(oggp);
}
assert(oggp->user_buf >= &oggp->buf[oggp->buf_fill]);
+ oggp->buf_fill += bytes;
if (oggp->lacing_fill + nb_255s + 1 > oggp->lacing_size) {
/* FIXME: Check if it's worth shifting the lacing values. */
@@ -273,6 +274,7 @@
oggp->lacing[oggp->lacing_fill+i] = 255;
}
oggp->lacing[oggp->lacing_fill+nb_255s] = bytes - 255*nb_255s;
+ oggp->lacing_fill += nb_255s + 1;
oggp->curr_granule = granulepos;
oggp->is_eos = eos;
if (oggp->muxing_delay && granulepos - oggp->last_granule >= oggp->muxing_delay) {
@@ -314,6 +316,11 @@
int len;
int header_size;
oggp_uint64 granule_pos;
+ if (oggp->pages_fill == 0) {
+ *page = NULL;
+ *bytes = 0;
+ return 0;
+ }
p = &oggp->pages[0];
header_size = 27 + p->lacing_size;
ptr = &oggp->buf[p->buf_pos - header_size];