uint8_t raster_end[64];
#if ARCH_PPC
/** Used by dct_quantize_altivec to find last-non-zero */
- DECLARE_ALIGNED(16, uint8_t, inverse[64]);
+ DECLARE_ALIGNED(16, uint8_t, inverse)[64];
#endif
} ScanTable;
* subtract huffyuv's variant of median prediction
* note, this might read from src1[-1], src2[-1]
*/
- void (*sub_hfyu_median_prediction)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top);
- void (*add_hfyu_median_prediction)(uint8_t *dst, uint8_t *top, uint8_t *diff, int w, int *left, int *left_top);
+ void (*sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top);
+ void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top);
+ int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left);
+ void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha);
/* this might write to dst[w] */
void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);
void (*ac3_downmix)(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len);
/* no alignment needed */
- void (*flac_compute_autocorr)(const int32_t *data, int len, int lag, double *autoc);
+ void (*lpc_compute_autocorr)(const int32_t *data, int len, int lag, double *autoc);
/* assume len is a multiple of 8, and arrays are 16-byte aligned */
void (*vector_fmul)(float *dst, const float *src, int len);
void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len);
void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize,
int * range, int * sum, int edges);
- /* ape functions */
- /**
- * Add contents of the second vector to the first one.
- * @param len length of vectors, should be multiple of 16
- */
- void (*add_int16)(int16_t *v1/*align 16*/, int16_t *v2, int len);
- /**
- * Add contents of the second vector to the first one.
- * @param len length of vectors, should be multiple of 16
- */
- void (*sub_int16)(int16_t *v1/*align 16*/, int16_t *v2, int len);
/**
* Calculate scalar product of two vectors.
* @param len length of vectors, should be multiple of 16
* @param shift number of bits to discard from product
*/
int32_t (*scalarproduct_int16)(int16_t *v1, int16_t *v2/*align 16*/, int len, int shift);
+ /* ape functions */
+ /**
+ * Calculate scalar product of v1 and v2,
+ * and v1[i] += v3[i] * mul
+ * @param len length of vectors, should be multiple of 16
+ */
+ int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, int16_t *v2, int16_t *v3, int len, int mul);
/* rv30 functions */
qpel_mc_func put_rv30_tpel_pixels_tab[4][16];
void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx);
void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
-#define DECLARE_ALIGNED_16(t, v) DECLARE_ALIGNED(16, t, v)
-#define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(8, t, v)
+#define DECLARE_ALIGNED_16(t, v, ...) DECLARE_ALIGNED(16, t, v)
+#define DECLARE_ALIGNED_8(t, v, ...) DECLARE_ALIGNED(8, t, v)
#if HAVE_MMX
#define FF_MDCT_PERM_INTERLEAVE 1
} FFTContext;
-extern FFTSample* const ff_cos_tabs[13];
+#if CONFIG_HARDCODED_TABLES
+#define COSTABLE_CONST const
+#define SINTABLE_CONST const
+#define SINETABLE_CONST const
+#else
+#define COSTABLE_CONST
+#define SINTABLE_CONST
+#define SINETABLE_CONST
+#endif
+
+#define COSTABLE(size) \
+ COSTABLE_CONST DECLARE_ALIGNED_16(FFTSample, ff_cos_##size)[size/2]
+#define SINTABLE(size) \
+ SINTABLE_CONST DECLARE_ALIGNED_16(FFTSample, ff_sin_##size)[size/2]
+#define SINETABLE(size) \
+ SINETABLE_CONST DECLARE_ALIGNED_16(float, ff_sine_##size)[size]
+extern COSTABLE(16);
+extern COSTABLE(32);
+extern COSTABLE(64);
+extern COSTABLE(128);
+extern COSTABLE(256);
+extern COSTABLE(512);
+extern COSTABLE(1024);
+extern COSTABLE(2048);
+extern COSTABLE(4096);
+extern COSTABLE(8192);
+extern COSTABLE(16384);
+extern COSTABLE(32768);
+extern COSTABLE(65536);
+extern COSTABLE_CONST FFTSample* const ff_cos_tabs[17];
+
+/**
+ * Initializes the cosine table in ff_cos_tabs[index]
+ * \param index index in ff_cos_tabs array of the table to initialize
+ */
+void ff_init_ff_cos_tabs(int index);
+
+extern SINTABLE(16);
+extern SINTABLE(32);
+extern SINTABLE(64);
+extern SINTABLE(128);
+extern SINTABLE(256);
+extern SINTABLE(512);
+extern SINTABLE(1024);
+extern SINTABLE(2048);
+extern SINTABLE(4096);
+extern SINTABLE(8192);
+extern SINTABLE(16384);
+extern SINTABLE(32768);
+extern SINTABLE(65536);
/**
* Sets up a complex FFT.
* @param n size of half window
*/
void ff_sine_window_init(float *window, int n);
-extern float ff_sine_32 [ 32];
-extern float ff_sine_64 [ 64];
-extern float ff_sine_128 [ 128];
-extern float ff_sine_256 [ 256];
-extern float ff_sine_512 [ 512];
-extern float ff_sine_1024[1024];
-extern float ff_sine_2048[2048];
-extern float ff_sine_4096[4096];
-extern float * const ff_sine_windows[13];
+/**
+ * initialize the specified entry of ff_sine_windows
+ */
+void ff_init_ff_sine_windows(int index);
+extern SINETABLE( 32);
+extern SINETABLE( 64);
+extern SINETABLE( 128);
+extern SINETABLE( 256);
+extern SINETABLE( 512);
+extern SINETABLE(1024);
+extern SINETABLE(2048);
+extern SINETABLE(4096);
+extern SINETABLE_CONST float * const ff_sine_windows[13];
int ff_mdct_init(FFTContext *s, int nbits, int inverse, double scale);
void ff_imdct_calc_c(FFTContext *s, FFTSample *output, const FFTSample *input);
int sign_convention;
/* pre/post rotation tables */
- FFTSample *tcos;
- FFTSample *tsin;
+ const FFTSample *tcos;
+ SINTABLE_CONST FFTSample *tsin;
FFTContext fft;
} RDFTContext;
void ff_rdft_calc(RDFTContext *s, FFTSample *data);
void ff_rdft_end(RDFTContext *s);
+/* Discrete Cosine Transform */
+
+typedef struct {
+ int nbits;
+ int inverse;
+ FFTSample *data;
+ RDFTContext rdft;
+ const float *costab;
+ FFTSample *csc2;
+} DCTContext;
+
+/**
+ * Sets up (Inverse)DCT.
+ * @param nbits log2 of the length of the input array
+ * @param inverse >0 forward transform, <0 inverse transform
+ */
+int ff_dct_init(DCTContext *s, int nbits, int inverse);
+void ff_dct_calc(DCTContext *s, FFTSample *data);
+void ff_dct_end (DCTContext *s);
+
#define WRAPPER8_16(name8, name16)\
static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\
return name8(s, dst , src , stride, h)\
projects / ffmpeg / blobdiff