#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_enums.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
// Constants and Macros used by all idct/dct functions
#define DCT_CONST_BITS 14
#define pair_set_epi16(a, b) \
_mm_set_epi16(b, a, b, a, b, a, b, a)
-#define pair_set_epi32(a, b) \
- _mm_set_epi32(b, a, b, a)
+#define dual_set_epi16(a, b) \
+ _mm_set_epi16(b, b, b, b, a, a, a, a)
+
+// Note:
+// tran_low_t is the datatype used for final transform coefficients.
+// tran_high_t is the datatype used for intermediate transform stages.
+#if CONFIG_VP9_HIGHBITDEPTH
+typedef int64_t tran_high_t;
+typedef int32_t tran_low_t;
+#else
+typedef int32_t tran_high_t;
+typedef int16_t tran_low_t;
+#endif
// Constants:
// for (int i = 1; i< 32; ++i)
// printf("static const int cospi_%d_64 = %.0f;\n", i,
// round(16384 * cos(i*M_PI/64)));
// Note: sin(k*Pi/64) = cos((32-k)*Pi/64)
-static const int cospi_1_64 = 16364;
-static const int cospi_2_64 = 16305;
-static const int cospi_3_64 = 16207;
-static const int cospi_4_64 = 16069;
-static const int cospi_5_64 = 15893;
-static const int cospi_6_64 = 15679;
-static const int cospi_7_64 = 15426;
-static const int cospi_8_64 = 15137;
-static const int cospi_9_64 = 14811;
-static const int cospi_10_64 = 14449;
-static const int cospi_11_64 = 14053;
-static const int cospi_12_64 = 13623;
-static const int cospi_13_64 = 13160;
-static const int cospi_14_64 = 12665;
-static const int cospi_15_64 = 12140;
-static const int cospi_16_64 = 11585;
-static const int cospi_17_64 = 11003;
-static const int cospi_18_64 = 10394;
-static const int cospi_19_64 = 9760;
-static const int cospi_20_64 = 9102;
-static const int cospi_21_64 = 8423;
-static const int cospi_22_64 = 7723;
-static const int cospi_23_64 = 7005;
-static const int cospi_24_64 = 6270;
-static const int cospi_25_64 = 5520;
-static const int cospi_26_64 = 4756;
-static const int cospi_27_64 = 3981;
-static const int cospi_28_64 = 3196;
-static const int cospi_29_64 = 2404;
-static const int cospi_30_64 = 1606;
-static const int cospi_31_64 = 804;
+static const tran_high_t cospi_1_64 = 16364;
+static const tran_high_t cospi_2_64 = 16305;
+static const tran_high_t cospi_3_64 = 16207;
+static const tran_high_t cospi_4_64 = 16069;
+static const tran_high_t cospi_5_64 = 15893;
+static const tran_high_t cospi_6_64 = 15679;
+static const tran_high_t cospi_7_64 = 15426;
+static const tran_high_t cospi_8_64 = 15137;
+static const tran_high_t cospi_9_64 = 14811;
+static const tran_high_t cospi_10_64 = 14449;
+static const tran_high_t cospi_11_64 = 14053;
+static const tran_high_t cospi_12_64 = 13623;
+static const tran_high_t cospi_13_64 = 13160;
+static const tran_high_t cospi_14_64 = 12665;
+static const tran_high_t cospi_15_64 = 12140;
+static const tran_high_t cospi_16_64 = 11585;
+static const tran_high_t cospi_17_64 = 11003;
+static const tran_high_t cospi_18_64 = 10394;
+static const tran_high_t cospi_19_64 = 9760;
+static const tran_high_t cospi_20_64 = 9102;
+static const tran_high_t cospi_21_64 = 8423;
+static const tran_high_t cospi_22_64 = 7723;
+static const tran_high_t cospi_23_64 = 7005;
+static const tran_high_t cospi_24_64 = 6270;
+static const tran_high_t cospi_25_64 = 5520;
+static const tran_high_t cospi_26_64 = 4756;
+static const tran_high_t cospi_27_64 = 3981;
+static const tran_high_t cospi_28_64 = 3196;
+static const tran_high_t cospi_29_64 = 2404;
+static const tran_high_t cospi_30_64 = 1606;
+static const tran_high_t cospi_31_64 = 804;
// 16384 * sqrt(2) * sin(kPi/9) * 2 / 3
-static const int sinpi_1_9 = 5283;
-static const int sinpi_2_9 = 9929;
-static const int sinpi_3_9 = 13377;
-static const int sinpi_4_9 = 15212;
-
-static INLINE int dct_const_round_shift(int input) {
- int rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
- assert(INT16_MIN <= rv && rv <= INT16_MAX);
- return rv;
+static const tran_high_t sinpi_1_9 = 5283;
+static const tran_high_t sinpi_2_9 = 9929;
+static const tran_high_t sinpi_3_9 = 13377;
+static const tran_high_t sinpi_4_9 = 15212;
+
+static INLINE tran_low_t dct_const_round_shift(tran_high_t input) {
+ tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
+#if CONFIG_VP9_HIGHBITDEPTH
+ // For valid highbitdepth VP9 streams, intermediate stage coefficients will
+ // stay within the ranges:
+ // - 8 bit: signed 16 bit integer
+ // - 10 bit: signed 18 bit integer
+ // - 12 bit: signed 20 bit integer
+#elif CONFIG_COEFFICIENT_RANGE_CHECKING
+ // For valid VP9 input streams, intermediate stage coefficients should always
+ // stay within the range of a signed 16 bit integer. Coefficients can go out
+ // of this range for invalid/corrupt VP9 streams. However, strictly checking
+ // this range for every intermediate coefficient can burdensome for a decoder,
+ // therefore the following assertion is only enabled when configured with
+ // --enable-coefficient-range-checking.
+ assert(INT16_MIN <= rv);
+ assert(rv <= INT16_MAX);
+#endif
+ return (tran_low_t)rv;
}
-typedef void (*transform_1d)(const int16_t*, int16_t*);
+typedef void (*transform_1d)(const tran_low_t*, tran_low_t*);
typedef struct {
transform_1d cols, rows; // vertical and horizontal
} transform_2d;
-void vp9_iwht4x4_add(const int16_t *input, uint8_t *dest, int stride, int eob);
+#if CONFIG_VP9_HIGHBITDEPTH
+typedef void (*high_transform_1d)(const tran_low_t*, tran_low_t*, int bd);
-void vp9_idct4x4_add(const int16_t *input, uint8_t *dest, int stride, int eob);
-void vp9_idct8x8_add(const int16_t *input, uint8_t *dest, int stride, int eob);
-void vp9_idct16x16_add(const int16_t *input, uint8_t *dest, int stride, int
+typedef struct {
+ high_transform_1d cols, rows; // vertical and horizontal
+} high_transform_2d;
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+void vp9_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob);
+void vp9_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob);
+void vp9_idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob);
+void vp9_idct16x16_add(const tran_low_t *input, uint8_t *dest, int stride, int
eob);
-void vp9_idct32x32_add(const int16_t *input, uint8_t *dest, int stride,
+void vp9_idct32x32_add(const tran_low_t *input, uint8_t *dest, int stride,
int eob);
-void vp9_iht4x4_add(TX_TYPE tx_type, const int16_t *input, uint8_t *dest,
+void vp9_iht4x4_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
int stride, int eob);
-void vp9_iht8x8_add(TX_TYPE tx_type, const int16_t *input, uint8_t *dest,
+void vp9_iht8x8_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
int stride, int eob);
-void vp9_iht16x16_add(TX_TYPE tx_type, const int16_t *input, uint8_t *dest,
+void vp9_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
int stride, int eob);
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_high_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, int bd);
+void vp9_high_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, int bd);
+void vp9_high_idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, int bd);
+void vp9_high_idct16x16_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, int bd);
+void vp9_high_idct32x32_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, int bd);
+void vp9_high_iht4x4_add(TX_TYPE tx_type, const tran_low_t *input,
+ uint8_t *dest, int stride, int eob, int bd);
+void vp9_high_iht8x8_add(TX_TYPE tx_type, const tran_low_t *input,
+ uint8_t *dest, int stride, int eob, int bd);
+void vp9_high_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input,
+ uint8_t *dest, int stride, int eob, int bd);
+#endif // CONFIG_VP9_HIGHBITDEPTH
+#ifdef __cplusplus
+} // extern "C"
+#endif
#endif // VP9_COMMON_VP9_IDCT_H_
projects / platform / framework / web / crosswalk.git / blobdiff