diff --git a/lib/cppmyth/src/mythlivetvplayback.h b/lib/cppmyth/src/mythlivetvplayback.h
index f0d97c51..fe80495c 100644
--- a/lib/cppmyth/src/mythlivetvplayback.h
+++ b/lib/cppmyth/src/mythlivetvplayback.h
@@ -31,9 +31,9 @@
 
 #include <vector>
 
-#define MYTH_LIVETV_CHUNK_SIZE  64000
+#define MYTH_LIVETV_CHUNK_SIZE  262000
 #define MYTH_LIVETV_CHUNK_MIN   8000
-#define MYTH_LIVETV_CHUNK_MAX   128000
+#define MYTH_LIVETV_CHUNK_MAX   524000
 
 namespace Myth
 {
diff --git a/lib/cppmyth/src/mythrecordingplayback.h b/lib/cppmyth/src/mythrecordingplayback.h
index 5bd2dcba..3f046308 100644
--- a/lib/cppmyth/src/mythrecordingplayback.h
+++ b/lib/cppmyth/src/mythrecordingplayback.h
@@ -27,9 +27,9 @@
 #include "mythstream.h"
 #include "mytheventhandler.h"
 
-#define MYTH_RECORDING_CHUNK_SIZE 64000
+#define MYTH_RECORDING_CHUNK_SIZE 262000
 #define MYTH_RECORDING_CHUNK_MIN  8000
-#define MYTH_RECORDING_CHUNK_MAX  128000
+#define MYTH_RECORDING_CHUNK_MAX  524000
 
 namespace Myth
 {
diff --git a/lib/cppmyth/src/proto/mythprototransfer.h b/lib/cppmyth/src/proto/mythprototransfer.h
index 3ae805de..5de752b3 100644
--- a/lib/cppmyth/src/proto/mythprototransfer.h
+++ b/lib/cppmyth/src/proto/mythprototransfer.h
@@ -24,7 +24,7 @@
 
 #include "mythprotobase.h"
 
-#define PROTO_TRANSFER_RCVBUF     64000
+#define PROTO_TRANSFER_RCVBUF     262000
 
 namespace Myth
 {