1 files changed, 9 insertions, 0 deletions
diff --git a/dom/media/flac/FlacDemuxer.h b/dom/media/flac/FlacDemuxer.h
index fd0e35c94..248ae861f 100644
--- a/dom/media/flac/FlacDemuxer.h
+++ b/dom/media/flac/FlacDemuxer.h
@@ -13,6 +13,15 @@
 namespace mozilla {
 
 namespace flac {
+
+#define FLAC_MAX_CHANNELS           8
+#define FLAC_MIN_BLOCKSIZE         16
+#define FLAC_MAX_BLOCKSIZE      65535
+#define FLAC_MIN_FRAME_SIZE        11
+#define FLAC_MAX_FRAME_HEADER_SIZE 16
+#define FLAC_MAX_FRAME_SIZE (FLAC_MAX_FRAME_HEADER_SIZE \
+                             +FLAC_MAX_BLOCKSIZE*FLAC_MAX_CHANNELS*3)
+
 class Frame;
 class FrameParser;
 }