Commit FS#9882 - make better use of iram at different quality encodings, remove redundant memsets, implement doublebuffer if it will fit in iram to save a mempcy each frame, and some alignment fixes for coldfire

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20783 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 25 insertions, 4 deletions

diff --git a/apps/codecs/libtremor/config-tremor.h b/apps/codecs/libtremor/config-tremor.h
index 7cfcb7e35d..d360b5fd73 100644
--- a/apps/codecs/libtremor/config-tremor.h
+++ b/apps/codecs/libtremor/config-tremor.h
@@ -13,10 +13,6 @@
 #define BIG_ENDIAN 0
 #endif
 
-#ifndef ICONST_ATTR_TREMOR_WINDOW
-#define ICONST_ATTR_TREMOR_WINDOW ICONST_ATTR
-#endif
-
 #ifndef ICODE_ATTR_TREMOR_MDCT
 #define ICODE_ATTR_TREMOR_MDCT ICODE_ATTR
 #endif
@@ -25,4 +21,29 @@
 #define ICODE_ATTR_TREMOR_NOT_MDCT ICODE_ATTR
 #endif
 
+/* Define CPU of large IRAM (MCF5250)                  */
+#if (CONFIG_CPU == MCF5250)
+/* PCM_BUFFER    : 32768 Byte (4096*2*4)               *
+ * WINDOW_LOOKUP : 4608 Byte (128*4 + 1024*4)          *
+ * TOTAL         : 37376                               */
+#define IRAM_IBSS_SIZE 37376
+
+/* Define CPU of large IRAM (PP5022/5024)              */
+#elif (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024)
+/* PCM_BUFFER    : 32768 byte (4096*2*4 or 2048*4*4)   *
+ * WINDOW_LOOKUP : 9216 Byte (256*4 + 2048*4)          *
+ * TOTAL         : 41984                               */
+#define IRAM_IBSS_SIZE 41984
+
+/* Define CPU of Normal IRAM (96KB) (and SIM also)     */
+#else
+/* PCM_BUFFER    : 16384 Byte (2048*2*4)               *
+ * WINDOW_LOOKUP : 4608 Byte (128*4 + 1024*4)          *
+ * TOTAL         : 20992                               */
+#define IRAM_IBSS_SIZE 20992
+#endif
+
+/* max 2 channels  */
+#define CHANNELS 2
+
 // #define _LOW_ACCURACY_