aactab: add deemphasis tables for USAC

Lynne committed 2 years ago

Commit 7cd8a3f1 parent 0513c5c2 files · +27 −0Browse files

Unified · Split

2 files

@@ -3377,3 +3377,28 @@ const DECLARE_ALIGNED(32, int, ff_aac_eld_window_480_fixed)[1800] = { · 3376 unmodified lines
3377	0xffecff1c, 0xffed391e, 0xffed740c, 0xffedafb1,	3377	0xffecff1c, 0xffed391e, 0xffed740c, 0xffedafb1,
3378	0xffedebe1, 0xffee287d, 0xffee654e, 0xffeea23f,	3378	0xffedebe1, 0xffee287d, 0xffee654e, 0xffeea23f,
3379	};	3379	};
		3380
		3381	/* As specified by ISO/IEC 23003 */
		3382	#define USAC_EMPH_COEFF 0.68
		3383
		3384	DECLARE_ALIGNED(16, const float, ff_aac_deemph_weights)[16] = {
		3385	USAC_EMPH_COEFF,
		3386	USAC_EMPH_COEFF*USAC_EMPH_COEFF,
		3387	USAC_EMPH_COEFFUSAC_EMPH_COEFFUSAC_EMPH_COEFF,
		3388	USAC_EMPH_COEFFUSAC_EMPH_COEFFUSAC_EMPH_COEFF*USAC_EMPH_COEFF,
		3389
		3390	0,
		3391	USAC_EMPH_COEFF,
		3392	USAC_EMPH_COEFF*USAC_EMPH_COEFF,
		3393	USAC_EMPH_COEFFUSAC_EMPH_COEFFUSAC_EMPH_COEFF,
		3394
		3395	0,
		3396	0,
		3397	USAC_EMPH_COEFF,
		3398	USAC_EMPH_COEFF*USAC_EMPH_COEFF,
		3399
		3400	0,
		3401	0,
		3402	0,
		3403	USAC_EMPH_COEFF,
		3404	};

@@ -64,6 +64,8 @@ DECLARE_ALIGNED(32, extern const float, ff_aac_eld_window_480)[1800]; · 63 unmodified lines
64	DECLARE_ALIGNED(32, extern const int, ff_aac_eld_window_480_fixed)[1800];	64	DECLARE_ALIGNED(32, extern const int, ff_aac_eld_window_480_fixed)[1800];
65	// @}	65	// @}
66		66
		67	extern const float ff_aac_deemph_weights[16];
		68
67	/* Initializes data shared between float decoder and encoder. */	69	/* Initializes data shared between float decoder and encoder. */
68	void ff_aac_float_common_init(void);	70	void ff_aac_float_common_init(void);
69		71

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