初版

SDK/cpu/br35/overlay_code.c

@@ -0,0 +1,61 @@
+#include "asm/includes.h"
+#include "media/includes.h"
+#include "overlay_code.h"
+
+
+struct code_type {
+    u32 type;
+    u32 dst;
+    u32 src;
+    u32 size;
+};
+
+extern int aec_addr, aec_begin, aec_size;
+extern int aac_addr, aac_begin, aac_size;
+
+
+const struct code_type  ctype[] = {
+//没有使用动态加载时使用overlay
+#ifndef CONFIG_CODE_MOVABLE_ENABLE
+    {OVERLAY_AEC, (u32) &aec_addr, (u32) &aec_begin, (u32) &aec_size},
+    {OVERLAY_M4A, (u32) &aac_addr, (u32) &aac_begin, (u32) &aac_size },
+#endif
+};
+
+struct audio_overlay_type {
+    u32 atype;
+    u32 otype;
+};
+
+const struct audio_overlay_type  aotype[] = {
+
+    {AUDIO_CODING_MSBC, OVERLAY_AEC },
+    {AUDIO_CODING_CVSD, OVERLAY_AEC },
+    /* {AUDIO_CODING_M4A, OVERLAY_M4A }, */
+    /* {AUDIO_CODING_ALAC, OVERLAY_M4A }, */
+    {AUDIO_CODING_AAC, OVERLAY_M4A },
+};
+
+
+void overlay_load_code(u32 type)
+{
+    int i = 0;
+    for (i = 0; i < ARRAY_SIZE(ctype); i++) {
+        if (type == ctype[i].type) {
+            if (ctype[i].dst != 0) {
+                memcpy((void *)ctype[i].dst, (void *)ctype[i].src, (int)ctype[i].size);
+            }
+            break;
+        }
+    }
+}
+
+void audio_overlay_load_code(u32 type)
+{
+    int i = 0;
+    for (i = 0; i < ARRAY_SIZE(aotype); i++) {
+        if (type == aotype[i].atype) {
+            overlay_load_code(aotype[i].otype);
+        }
+    }
+}