#include "aac.h"
#include "sbr.h"
+#define ENVELOPE_ADJUSTMENT_OFFSET 2
+#define NOISE_FLOOR_OFFSET FIXR(6.0f)
+
+/**
+ * SBR VLC tables
+ */
+enum {
+ T_HUFFMAN_ENV_1_5DB,
+ F_HUFFMAN_ENV_1_5DB,
+ T_HUFFMAN_ENV_BAL_1_5DB,
+ F_HUFFMAN_ENV_BAL_1_5DB,
+ T_HUFFMAN_ENV_3_0DB,
+ F_HUFFMAN_ENV_3_0DB,
+ T_HUFFMAN_ENV_BAL_3_0DB,
+ F_HUFFMAN_ENV_BAL_3_0DB,
+ T_HUFFMAN_NOISE_3_0DB,
+ T_HUFFMAN_NOISE_BAL_3_0DB,
+};
+
+/**
+ * bs_frame_class - frame class of current SBR frame (14496-3 sp04 p98)
+ */
+enum {
+ FIXFIX,
+ FIXVAR,
+ VARFIX,
+ VARVAR,
+};
+
+enum {
+ EXTENSION_ID_PS = 2,
+};
+
+static const int8_t vlc_sbr_lav[10] =
+ { 60, 60, 24, 24, 31, 31, 12, 12, 31, 12 };
+
+#define SBR_INIT_VLC_STATIC(num, size) \
+ INIT_VLC_STATIC(&vlc_sbr[num], 9, sbr_tmp[num].table_size / sbr_tmp[num].elem_size, \
+ sbr_tmp[num].sbr_bits , 1, 1, \
+ sbr_tmp[num].sbr_codes, sbr_tmp[num].elem_size, sbr_tmp[num].elem_size, \
+ size)
+
+#define SBR_VLC_ROW(name) \
+ { name ## _codes, name ## _bits, sizeof(name ## _codes), sizeof(name ## _codes[0]) }
+
/** Initialize SBR. */
-void ff_aac_sbr_init(void);
+void AAC_RENAME(ff_aac_sbr_init)(void);
/** Initialize one SBR context. */
-void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr);
+void AAC_RENAME(ff_aac_sbr_ctx_init)(AACContext *ac, SpectralBandReplication *sbr);
/** Close one SBR context. */
-void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr);
+void AAC_RENAME(ff_aac_sbr_ctx_close)(SpectralBandReplication *sbr);
/** Decode one SBR element. */
-int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
+int AAC_RENAME(ff_decode_sbr_extension)(AACContext *ac, SpectralBandReplication *sbr,
GetBitContext *gb, int crc, int cnt, int id_aac);
/** Apply one SBR element to one AAC element. */
-void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
- float* L, float *R);
+void AAC_RENAME(ff_sbr_apply)(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
+ INTFLOAT* L, INTFLOAT *R);
void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c);