From 116824d0aa1c416c3fb0f2c39d339fc00ae251f3 Mon Sep 17 00:00:00 2001
From: Mike Melanson <mike@multimedia.cx>
Date: Mon, 26 Apr 2004 00:20:29 +0000
Subject: reorganize and simplify the VP3 IDCT stuff

Originally committed as revision 3071 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/i386/vp3dsp_mmx.c | 80 ++------------------------------------------
 1 file changed, 2 insertions(+), 78 deletions(-)

(limited to 'libavcodec/i386/vp3dsp_mmx.c')

diff --git a/libavcodec/i386/vp3dsp_mmx.c b/libavcodec/i386/vp3dsp_mmx.c
index 76007a1d16..319e57f1bb 100644
--- a/libavcodec/i386/vp3dsp_mmx.c
+++ b/libavcodec/i386/vp3dsp_mmx.c
@@ -279,8 +279,8 @@ void vp3_dsp_init_mmx(void)
     idct_constants[46] = idct_constants[47] = IdctAdjustBeforeShift;
 }
 
-static void vp3_idct_mmx(int16_t *input_data, int16_t *dequant_matrix,
-     int16_t *output_data)
+void vp3_idct_mmx(int16_t *input_data, int16_t *dequant_matrix,
+    int coeff_count, int16_t *output_data)
 {
     /* eax = quantized input
      * ebx = dequantizer matrix
@@ -563,79 +563,3 @@ static void vp3_idct_mmx(int16_t *input_data, int16_t *dequant_matrix,
 #undef J
 
 }
-
-void vp3_idct_put_mmx(int16_t *input_data, int16_t *dequant_matrix,
-    int coeff_count, uint8_t *dest, int stride)
-{
-    int16_t transformed_data[64];
-    int16_t *op;
-    int i, j;
-    uint8_t vector128[8] = { 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 };
-
-    vp3_idct_mmx(input_data, dequant_matrix, transformed_data);
-
-    /* place in final output */
-    op = transformed_data;
-    movq_m2r(*vector128, mm0);
-    for (i = 0; i < 8; i++) {
-#if 1
-        for (j = 0; j < 8; j++) {
-            if (*op < -128)
-                *dest = 0;
-            else if (*op > 127)
-                *dest = 255;
-            else
-                *dest = (uint8_t)(*op + 128);
-            op++;
-            dest++;
-        }
-        dest += (stride - 8);
-#else
-/* prototype optimization */
-        pxor_r2r(mm1, mm1);
-        packsswb_m2r(*(op + 4), mm1);
-        movq_r2r(mm1, mm2);
-        psrlq_i2r(32, mm2);
-        packsswb_m2r(*(op + 0), mm1);
-        op += 8;
-        por_r2r(mm2, mm1);
-        paddb_r2r(mm0, mm1);
-        movq_r2m(mm1, *dest);
-        dest += stride;
-#endif
-    }
-
-    /* be a good MMX citizen */
-    emms();
-}
-
-void vp3_idct_add_mmx(int16_t *input_data, int16_t *dequant_matrix,
-    int coeff_count, uint8_t *dest, int stride)
-{
-    int16_t transformed_data[64];
-    int16_t *op;
-    int i, j;
-    int16_t sample;
-
-    vp3_idct_mmx(input_data, dequant_matrix, transformed_data);
-
-    /* place in final output */
-    op = transformed_data;
-    for (i = 0; i < 8; i++) {
-        for (j = 0; j < 8; j++) {
-            sample = *dest + *op;
-            if (sample < 0)
-                *dest = 0;
-            else if (sample > 255)
-                *dest = 255;
-            else
-                *dest = (uint8_t)(sample & 0xFF);
-            op++;
-            dest++;
-        }
-        dest += (stride - 8);
-    }
-
-    /* be a good MMX citizen */
-    emms();
-}
-- 
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