shithub: libvpx

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Remove unused vp9_short_idct10_32x32_add

The inverse 32x32 transform detects all zero entries and skips the
computations accordingly per 8 rows in the first 1-D operation. The
function vp9_short_idct10_32x32_add performs differently and is not
used anywhere, hence removed.

Change-Id: Ic4fad422debbde7b6b6ffed47c69fbd4268a906c

--- a/vp9/common/vp9_idct.c

+++ b/vp9/common/vp9_idct.c

@@ -1274,29 +1274,3 @@

   out = dct_const_round_shift(out * cospi_16_64);

   output[0] = ROUND_POWER_OF_TWO(out, 6);

 }

-

-void vp9_short_idct10_32x32_add_c(int16_t *input, uint8_t *dest,

-                                  int dest_stride) {

-  int16_t out[32 * 32] = { 0 };

-  int16_t *outptr = out;

-  int i, j;

-  int16_t temp_in[32], temp_out[32];

-

-  // First transform rows. Since all non-zero dct coefficients are in

-  // upper-left 4x4 area, we only need to calculate first 4 rows here.

-  for (i = 0; i < 4; ++i) {

-    idct32_1d(input, outptr);

-    input += 32;

-    outptr += 32;

-  }

-

-  // Columns

-  for (i = 0; i < 32; ++i) {

-    for (j = 0; j < 32; ++j)

-      temp_in[j] = out[j * 32 + i];

-    idct32_1d(temp_in, temp_out);

-    for (j = 0; j < 32; ++j)

-      dest[j * dest_stride + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 6)

-                                  + dest[j * dest_stride + i]);

-  }

-}

--- a/vp9/common/vp9_rtcd_defs.sh

+++ b/vp9/common/vp9_rtcd_defs.sh

@@ -321,9 +321,6 @@

 prototype void vp9_short_idct1_32x32 "int16_t *input, int16_t *output"

 specialize vp9_short_idct1_32x32

-prototype void vp9_short_idct10_32x32_add "int16_t *input, uint8_t *dest, int dest_stride"

-specialize vp9_short_idct10_32x32_add

-

 prototype void vp9_short_iht4x4_add "int16_t *input, uint8_t *dest, int dest_stride, int tx_type"

 specialize vp9_short_iht4x4_add sse2