Second part of FS#10832 by Juliusz Chroboczek. Ignore empty mdat chunks in mp4 files.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24148 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 0 deletions

diff --git a/apps/metadata/mp4.c b/apps/metadata/mp4.c
index c5a525d9c5..cd6eda428f 100644
--- a/apps/metadata/mp4.c
+++ b/apps/metadata/mp4.c
@@ -681,6 +681,10 @@ static bool read_mp4_container(int fd, struct mp3entry* id3,
             break;
 
         case MP4_mdat:
+            /* Some AAC files appear to contain additional empty mdat chunks.
+               Ignore them. */
+            if(size == 0)
+                break;
             id3->filesize = size;
             if(id3->samples > 0) {
                 /* We've already seen the moov chunk. */