From 0997de6caff56e16e0d7be0eb9cb1ac3aae2b2ed Mon Sep 17 00:00:00 2001
From: Jonathan Wilkes <jon.w.wilkes@gmail.com>
Date: Wed, 14 Jun 2017 23:11:42 -0400
Subject: [PATCH] port from Pd Vanilla: aiff (and maybe wav) file reading
bugfix: odd-sized chunks are padded up to even number of bytes commit
a567e4398d14901840f24ac82ecfc79306e22903
---
pd/src/d_soundfile.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/pd/src/d_soundfile.c b/pd/src/d_soundfile.c
index 0cf6de4c2..6c7148842 100644
--- a/pd/src/d_soundfile.c
+++ b/pd/src/d_soundfile.c
@@ -113,7 +113,7 @@ typedef struct _wavechunk /* ... and the last two items */
#define WAV_INT 1
#define WAV_FLOAT 3
-/* the AIFF header. I'm assuming AIFC is compatible but don't really know
+/* the cd lib header. I'm assuming AIFC is compatible but don't really know
that. */
typedef struct _datachunk
@@ -292,7 +292,8 @@ int open_soundfile_via_fd(int fd, int headersize,
{
long chunksize = swap4(((t_wavechunk *)buf)->wc_size,
swap), seekto = headersize + chunksize + 8, seekout;
-
+ if (seekto & 1) /* pad up to even number of bytes */
+ seekto++;
if (!strncmp(((t_wavechunk *)buf)->wc_id, "fmt ", 4))
{
long commblockonset = headersize + 8;
@@ -344,6 +345,8 @@ int open_soundfile_via_fd(int fd, int headersize,
{
long chunksize = swap4(((t_datachunk *)buf)->dc_size,
swap), seekto = headersize + chunksize + 8, seekout;
+ if (seekto & 1) /* pad up to even number of bytes */
+ seekto++;
/* post("chunk %c %c %c %c seek %d",
((t_datachunk *)buf)->dc_id[0],
((t_datachunk *)buf)->dc_id[1],
--
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