]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/i386/mpegvideo_mmx_template.c
misc spelling fixes
[ffmpeg] / libavcodec / i386 / mpegvideo_mmx_template.c
index 93f156ee55a620ebe7fda2d207adb794be77ad5a..b8f1ee39dc818e4feab567b0ad9d915ed2ad47aa 100644 (file)
@@ -3,46 +3,93 @@
  *
  * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
+
+#undef MMREG_WIDTH
+#undef MM
+#undef MOVQ
 #undef SPREADW
 #undef PMAXW
-#ifdef HAVE_MMX2
-#define SPREADW(a) "pshufw $0, " #a ", " #a " \n\t"
-#define PMAXW(a,b) "pmaxsw " #a ", " #b " \n\t"
+#undef PMAX
+#undef SAVE_SIGN
+#undef RESTORE_SIGN
+
+#if defined(HAVE_SSE2)
+#define MMREG_WIDTH "16"
+#define MM "%%xmm"
+#define MOVQ "movdqa"
+#define SPREADW(a) \
+            "pshuflw $0, "a", "a"       \n\t"\
+            "punpcklwd "a", "a"         \n\t"
+#define PMAXW(a,b) "pmaxsw "a", "b"     \n\t"
+#define PMAX(a,b) \
+            "movhlps "a", "b"           \n\t"\
+            PMAXW(b, a)\
+            "pshuflw $0x0E, "a", "b"    \n\t"\
+            PMAXW(b, a)\
+            "pshuflw $0x01, "a", "b"    \n\t"\
+            PMAXW(b, a)
+#else
+#define MMREG_WIDTH "8"
+#define MM "%%mm"
+#define MOVQ "movq"
+#if defined(HAVE_MMX2)
+#define SPREADW(a) "pshufw $0, "a", "a" \n\t"
+#define PMAXW(a,b) "pmaxsw "a", "b"     \n\t"
 #define PMAX(a,b) \
-            "pshufw $0x0E," #a ", " #b "               \n\t"\
-           PMAXW(b, a)\
-            "pshufw $0x01," #a ", " #b "               \n\t"\
-           PMAXW(b, a)
+            "pshufw $0x0E, "a", "b"     \n\t"\
+            PMAXW(b, a)\
+            "pshufw $0x01, "a", "b"     \n\t"\
+            PMAXW(b, a)
 #else
 #define SPREADW(a) \
-       "punpcklwd " #a ", " #a " \n\t"\
-       "punpcklwd " #a ", " #a " \n\t"
+            "punpcklwd "a", "a"         \n\t"\
+            "punpcklwd "a", "a"         \n\t"
 #define PMAXW(a,b) \
-       "psubusw " #a ", " #b " \n\t"\
-       "paddw " #a ", " #b " \n\t"
+            "psubusw "a", "b"           \n\t"\
+            "paddw "a", "b"             \n\t"
 #define PMAX(a,b)  \
-            "movq " #a ", " #b "               \n\t"\
-            "psrlq $32, " #a "                 \n\t"\
-           PMAXW(b, a)\
-            "movq " #a ", " #b "               \n\t"\
-            "psrlq $16, " #a "                 \n\t"\
-           PMAXW(b, a)
+            "movq "a", "b"              \n\t"\
+            "psrlq $32, "a"             \n\t"\
+            PMAXW(b, a)\
+            "movq "a", "b"              \n\t"\
+            "psrlq $16, "a"             \n\t"\
+            PMAXW(b, a)
 
 #endif
+#endif
+
+#ifdef HAVE_SSSE3
+#define SAVE_SIGN(a,b) \
+            "movdqa "b", "a"            \n\t"\
+            "pabsw  "b", "b"            \n\t"
+#define RESTORE_SIGN(a,b) \
+            "psignw "a", "b"            \n\t"
+#else
+#define SAVE_SIGN(a,b) \
+            "pxor "a", "a"              \n\t"\
+            "pcmpgtw "b", "a"           \n\t" /* block[i] <= 0 ? 0xFF : 0x00 */\
+            "pxor "a", "b"              \n\t"\
+            "psubw "a", "b"             \n\t" /* ABS(block[i]) */
+#define RESTORE_SIGN(a,b) \
+            "pxor "a", "b"              \n\t"\
+            "psubw "a", "b"             \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
+#endif
 
 static int RENAME(dct_quantize)(MpegEncContext *s,
                             DCTELEM *block, int n,
@@ -51,12 +98,12 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
     long last_non_zero_p1;
     int level=0, q; //=0 is cuz gcc says uninitalized ...
     const uint16_t *qmat, *bias;
-    __align8 int16_t temp_block[64];
-    
+    DECLARE_ALIGNED_16(int16_t, temp_block[64]);
+
     assert((7&(int)(&temp_block[0])) == 0); //did gcc align it correctly?
 
     //s->fdct (block);
-    RENAMEl(ff_fdct) (block); //cant be anything else ...
+    RENAMEl(ff_fdct) (block); //cannot be anything else ...
 
     if(s->dct_error_sum)
         s->denoise_dct(s, block);
@@ -71,24 +118,24 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
         if (!s->h263_aic) {
 #if 1
         asm volatile (
-               "mul %%ecx              \n\t"
-               : "=d" (level), "=a"(dummy)
-               : "a" ((block[0]>>2) + q), "c" (inverse[q<<1])
+                "mul %%ecx                \n\t"
+                : "=d" (level), "=a"(dummy)
+                : "a" ((block[0]>>2) + q), "c" (ff_inverse[q<<1])
         );
 #else
         asm volatile (
-               "xorl %%edx, %%edx      \n\t"
-               "divw %%cx              \n\t"
-               "movzwl %%ax, %%eax     \n\t"
-               : "=a" (level)
-               : "a" ((block[0]>>2) + q), "c" (q<<1)
-               : "%edx"
+                "xorl %%edx, %%edx        \n\t"
+                "divw %%cx                \n\t"
+                "movzwl %%ax, %%eax       \n\t"
+                : "=a" (level)
+                : "a" ((block[0]>>2) + q), "c" (q<<1)
+                : "%edx"
         );
 #endif
         } else
             /* For AIC we skip quant/dequant of INTRADC */
             level = (block[0] + 4)>>3;
-            
+
         block[0]=0; //avoid fake overflow
 //        temp_block[0] = (block[0] + (q >> 1)) / q;
         last_non_zero_p1 = 1;
@@ -101,235 +148,219 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
     }
 
     if((s->out_format == FMT_H263 || s->out_format == FMT_H261) && s->mpeg_quant==0){
-    
+
         asm volatile(
-            "movd %%"REG_a", %%mm3             \n\t" // last_non_zero_p1
-            SPREADW(%%mm3)
-            "pxor %%mm7, %%mm7                 \n\t" // 0
-            "pxor %%mm4, %%mm4                 \n\t" // 0
-            "movq (%2), %%mm5                  \n\t" // qmat[0]
-            "pxor %%mm6, %%mm6                 \n\t"
-            "psubw (%3), %%mm6                 \n\t" // -bias[0]
-            "mov $-128, %%"REG_a"              \n\t"
-            ".balign 16                                \n\t"
-            "1:                                        \n\t"
-            "pxor %%mm1, %%mm1                 \n\t" // 0
-            "movq (%1, %%"REG_a"), %%mm0       \n\t" // block[i]
-            "pcmpgtw %%mm0, %%mm1              \n\t" // block[i] <= 0 ? 0xFF : 0x00
-            "pxor %%mm1, %%mm0                 \n\t" 
-            "psubw %%mm1, %%mm0                        \n\t" // ABS(block[i])
-            "psubusw %%mm6, %%mm0              \n\t" // ABS(block[i]) + bias[0]
-            "pmulhw %%mm5, %%mm0               \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16
-            "por %%mm0, %%mm4                  \n\t" 
-            "pxor %%mm1, %%mm0                 \n\t" 
-            "psubw %%mm1, %%mm0                        \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
-            "movq %%mm0, (%5, %%"REG_a")       \n\t"
-            "pcmpeqw %%mm7, %%mm0              \n\t" // out==0 ? 0xFF : 0x00
-            "movq (%4, %%"REG_a"), %%mm1       \n\t" 
-            "movq %%mm7, (%1, %%"REG_a")       \n\t" // 0
-            "pandn %%mm1, %%mm0                        \n\t"
-           PMAXW(%%mm0, %%mm3)
-            "add $8, %%"REG_a"                 \n\t"
-            " js 1b                            \n\t"
-           PMAX(%%mm3, %%mm0)
-            "movd %%mm3, %%"REG_a"             \n\t"
-            "movzb %%al, %%"REG_a"             \n\t" // last_non_zero_p1
-           : "+a" (last_non_zero_p1)
+            "movd %%"REG_a", "MM"3              \n\t" // last_non_zero_p1
+            SPREADW(MM"3")
+            "pxor "MM"7, "MM"7                  \n\t" // 0
+            "pxor "MM"4, "MM"4                  \n\t" // 0
+            MOVQ" (%2), "MM"5                   \n\t" // qmat[0]
+            "pxor "MM"6, "MM"6                  \n\t"
+            "psubw (%3), "MM"6                  \n\t" // -bias[0]
+            "mov $-128, %%"REG_a"               \n\t"
+            ASMALIGN(4)
+            "1:                                 \n\t"
+            MOVQ" (%1, %%"REG_a"), "MM"0        \n\t" // block[i]
+            SAVE_SIGN(MM"1", MM"0")                   // ABS(block[i])
+            "psubusw "MM"6, "MM"0               \n\t" // ABS(block[i]) + bias[0]
+            "pmulhw "MM"5, "MM"0                \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16
+            "por "MM"0, "MM"4                   \n\t"
+            RESTORE_SIGN(MM"1", MM"0")                // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
+            MOVQ" "MM"0, (%5, %%"REG_a")        \n\t"
+            "pcmpeqw "MM"7, "MM"0               \n\t" // out==0 ? 0xFF : 0x00
+            MOVQ" (%4, %%"REG_a"), "MM"1        \n\t"
+            MOVQ" "MM"7, (%1, %%"REG_a")        \n\t" // 0
+            "pandn "MM"1, "MM"0                 \n\t"
+            PMAXW(MM"0", MM"3")
+            "add $"MMREG_WIDTH", %%"REG_a"      \n\t"
+            " js 1b                             \n\t"
+            PMAX(MM"3", MM"0")
+            "movd "MM"3, %%"REG_a"              \n\t"
+            "movzb %%al, %%"REG_a"              \n\t" // last_non_zero_p1
+            : "+a" (last_non_zero_p1)
             : "r" (block+64), "r" (qmat), "r" (bias),
               "r" (inv_zigzag_direct16+64), "r" (temp_block+64)
         );
-        // note the asm is split cuz gcc doesnt like that many operands ...
-        asm volatile(
-            "movd %1, %%mm1                    \n\t" // max_qcoeff
-           SPREADW(%%mm1)
-            "psubusw %%mm1, %%mm4              \n\t" 
-            "packuswb %%mm4, %%mm4             \n\t"
-            "movd %%mm4, %0                    \n\t" // *overflow
-        : "=g" (*overflow)
-        : "g" (s->max_qcoeff)
-        );
     }else{ // FMT_H263
         asm volatile(
-            "movd %%"REG_a", %%mm3             \n\t" // last_non_zero_p1
-            SPREADW(%%mm3)
-            "pxor %%mm7, %%mm7                 \n\t" // 0
-            "pxor %%mm4, %%mm4                 \n\t" // 0
-            "mov $-128, %%"REG_a"              \n\t"
-            ".balign 16                                \n\t"
-            "1:                                        \n\t"
-            "pxor %%mm1, %%mm1                 \n\t" // 0
-            "movq (%1, %%"REG_a"), %%mm0       \n\t" // block[i]
-            "pcmpgtw %%mm0, %%mm1              \n\t" // block[i] <= 0 ? 0xFF : 0x00
-            "pxor %%mm1, %%mm0                 \n\t" 
-            "psubw %%mm1, %%mm0                        \n\t" // ABS(block[i])
-            "movq (%3, %%"REG_a"), %%mm6       \n\t" // bias[0]
-            "paddusw %%mm6, %%mm0              \n\t" // ABS(block[i]) + bias[0]
-            "movq (%2, %%"REG_a"), %%mm5               \n\t" // qmat[i]
-            "pmulhw %%mm5, %%mm0               \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16
-            "por %%mm0, %%mm4                  \n\t" 
-            "pxor %%mm1, %%mm0                 \n\t" 
-            "psubw %%mm1, %%mm0                        \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
-            "movq %%mm0, (%5, %%"REG_a")       \n\t"
-            "pcmpeqw %%mm7, %%mm0              \n\t" // out==0 ? 0xFF : 0x00
-            "movq (%4, %%"REG_a"), %%mm1               \n\t" 
-            "movq %%mm7, (%1, %%"REG_a")               \n\t" // 0
-            "pandn %%mm1, %%mm0                        \n\t"
-           PMAXW(%%mm0, %%mm3)
-            "add $8, %%"REG_a"                 \n\t"
-            " js 1b                            \n\t"
-           PMAX(%%mm3, %%mm0)
-            "movd %%mm3, %%"REG_a"             \n\t"
-            "movzb %%al, %%"REG_a"             \n\t" // last_non_zero_p1
-           : "+a" (last_non_zero_p1)
+            "movd %%"REG_a", "MM"3              \n\t" // last_non_zero_p1
+            SPREADW(MM"3")
+            "pxor "MM"7, "MM"7                  \n\t" // 0
+            "pxor "MM"4, "MM"4                  \n\t" // 0
+            "mov $-128, %%"REG_a"               \n\t"
+            ASMALIGN(4)
+            "1:                                 \n\t"
+            MOVQ" (%1, %%"REG_a"), "MM"0        \n\t" // block[i]
+            SAVE_SIGN(MM"1", MM"0")                   // ABS(block[i])
+            MOVQ" (%3, %%"REG_a"), "MM"6        \n\t" // bias[0]
+            "paddusw "MM"6, "MM"0               \n\t" // ABS(block[i]) + bias[0]
+            MOVQ" (%2, %%"REG_a"), "MM"5        \n\t" // qmat[i]
+            "pmulhw "MM"5, "MM"0                \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16
+            "por "MM"0, "MM"4                   \n\t"
+            RESTORE_SIGN(MM"1", MM"0")                // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
+            MOVQ" "MM"0, (%5, %%"REG_a")        \n\t"
+            "pcmpeqw "MM"7, "MM"0               \n\t" // out==0 ? 0xFF : 0x00
+            MOVQ" (%4, %%"REG_a"), "MM"1        \n\t"
+            MOVQ" "MM"7, (%1, %%"REG_a")        \n\t" // 0
+            "pandn "MM"1, "MM"0                 \n\t"
+            PMAXW(MM"0", MM"3")
+            "add $"MMREG_WIDTH", %%"REG_a"      \n\t"
+            " js 1b                             \n\t"
+            PMAX(MM"3", MM"0")
+            "movd "MM"3, %%"REG_a"              \n\t"
+            "movzb %%al, %%"REG_a"              \n\t" // last_non_zero_p1
+            : "+a" (last_non_zero_p1)
             : "r" (block+64), "r" (qmat+64), "r" (bias+64),
               "r" (inv_zigzag_direct16+64), "r" (temp_block+64)
         );
-        // note the asm is split cuz gcc doesnt like that many operands ...
-        asm volatile(
-            "movd %1, %%mm1                    \n\t" // max_qcoeff
-           SPREADW(%%mm1)
-            "psubusw %%mm1, %%mm4              \n\t" 
-            "packuswb %%mm4, %%mm4             \n\t"
-            "movd %%mm4, %0                    \n\t" // *overflow
+    }
+    asm volatile(
+        "movd %1, "MM"1                     \n\t" // max_qcoeff
+        SPREADW(MM"1")
+        "psubusw "MM"1, "MM"4               \n\t"
+        "packuswb "MM"4, "MM"4              \n\t"
+#ifdef HAVE_SSE2
+        "packuswb "MM"4, "MM"4              \n\t"
+#endif
+        "movd "MM"4, %0                     \n\t" // *overflow
         : "=g" (*overflow)
         : "g" (s->max_qcoeff)
-        );
-    }
+    );
 
     if(s->mb_intra) block[0]= level;
     else            block[0]= temp_block[0];
 
     if(s->dsp.idct_permutation_type == FF_SIMPLE_IDCT_PERM){
         if(last_non_zero_p1 <= 1) goto end;
-        block[0x08] = temp_block[0x01]; block[0x10] = temp_block[0x08]; 
-        block[0x20] = temp_block[0x10]; 
+        block[0x08] = temp_block[0x01]; block[0x10] = temp_block[0x08];
+        block[0x20] = temp_block[0x10];
         if(last_non_zero_p1 <= 4) goto end;
-        block[0x18] = temp_block[0x09]; block[0x04] = temp_block[0x02]; 
-        block[0x09] = temp_block[0x03]; 
+        block[0x18] = temp_block[0x09]; block[0x04] = temp_block[0x02];
+        block[0x09] = temp_block[0x03];
         if(last_non_zero_p1 <= 7) goto end;
-        block[0x14] = temp_block[0x0A]; block[0x28] = temp_block[0x11]; 
-        block[0x12] = temp_block[0x18]; block[0x02] = temp_block[0x20]; 
+        block[0x14] = temp_block[0x0A]; block[0x28] = temp_block[0x11];
+        block[0x12] = temp_block[0x18]; block[0x02] = temp_block[0x20];
         if(last_non_zero_p1 <= 11) goto end;
-        block[0x1A] = temp_block[0x19]; block[0x24] = temp_block[0x12]; 
-        block[0x19] = temp_block[0x0B]; block[0x01] = temp_block[0x04]; 
-        block[0x0C] = temp_block[0x05]; 
+        block[0x1A] = temp_block[0x19]; block[0x24] = temp_block[0x12];
+        block[0x19] = temp_block[0x0B]; block[0x01] = temp_block[0x04];
+        block[0x0C] = temp_block[0x05];
         if(last_non_zero_p1 <= 16) goto end;
-        block[0x11] = temp_block[0x0C]; block[0x29] = temp_block[0x13]; 
-        block[0x16] = temp_block[0x1A]; block[0x0A] = temp_block[0x21]; 
-        block[0x30] = temp_block[0x28]; block[0x22] = temp_block[0x30]; 
-        block[0x38] = temp_block[0x29]; block[0x06] = temp_block[0x22]; 
+        block[0x11] = temp_block[0x0C]; block[0x29] = temp_block[0x13];
+        block[0x16] = temp_block[0x1A]; block[0x0A] = temp_block[0x21];
+        block[0x30] = temp_block[0x28]; block[0x22] = temp_block[0x30];
+        block[0x38] = temp_block[0x29]; block[0x06] = temp_block[0x22];
         if(last_non_zero_p1 <= 24) goto end;
-        block[0x1B] = temp_block[0x1B]; block[0x21] = temp_block[0x14]; 
-        block[0x1C] = temp_block[0x0D]; block[0x05] = temp_block[0x06]; 
-        block[0x0D] = temp_block[0x07]; block[0x15] = temp_block[0x0E]; 
-        block[0x2C] = temp_block[0x15]; block[0x13] = temp_block[0x1C]; 
+        block[0x1B] = temp_block[0x1B]; block[0x21] = temp_block[0x14];
+        block[0x1C] = temp_block[0x0D]; block[0x05] = temp_block[0x06];
+        block[0x0D] = temp_block[0x07]; block[0x15] = temp_block[0x0E];
+        block[0x2C] = temp_block[0x15]; block[0x13] = temp_block[0x1C];
         if(last_non_zero_p1 <= 32) goto end;
-        block[0x0B] = temp_block[0x23]; block[0x34] = temp_block[0x2A]; 
-        block[0x2A] = temp_block[0x31]; block[0x32] = temp_block[0x38]; 
-        block[0x3A] = temp_block[0x39]; block[0x26] = temp_block[0x32]; 
-        block[0x39] = temp_block[0x2B]; block[0x03] = temp_block[0x24]; 
+        block[0x0B] = temp_block[0x23]; block[0x34] = temp_block[0x2A];
+        block[0x2A] = temp_block[0x31]; block[0x32] = temp_block[0x38];
+        block[0x3A] = temp_block[0x39]; block[0x26] = temp_block[0x32];
+        block[0x39] = temp_block[0x2B]; block[0x03] = temp_block[0x24];
         if(last_non_zero_p1 <= 40) goto end;
-        block[0x1E] = temp_block[0x1D]; block[0x25] = temp_block[0x16]; 
-        block[0x1D] = temp_block[0x0F]; block[0x2D] = temp_block[0x17]; 
-        block[0x17] = temp_block[0x1E]; block[0x0E] = temp_block[0x25]; 
-        block[0x31] = temp_block[0x2C]; block[0x2B] = temp_block[0x33]; 
+        block[0x1E] = temp_block[0x1D]; block[0x25] = temp_block[0x16];
+        block[0x1D] = temp_block[0x0F]; block[0x2D] = temp_block[0x17];
+        block[0x17] = temp_block[0x1E]; block[0x0E] = temp_block[0x25];
+        block[0x31] = temp_block[0x2C]; block[0x2B] = temp_block[0x33];
         if(last_non_zero_p1 <= 48) goto end;
-        block[0x36] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B]; 
-        block[0x23] = temp_block[0x34]; block[0x3C] = temp_block[0x2D]; 
-        block[0x07] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; 
-        block[0x0F] = temp_block[0x27]; block[0x35] = temp_block[0x2E]; 
+        block[0x36] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B];
+        block[0x23] = temp_block[0x34]; block[0x3C] = temp_block[0x2D];
+        block[0x07] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
+        block[0x0F] = temp_block[0x27]; block[0x35] = temp_block[0x2E];
         if(last_non_zero_p1 <= 56) goto end;
-        block[0x2E] = temp_block[0x35]; block[0x33] = temp_block[0x3C]; 
-        block[0x3E] = temp_block[0x3D]; block[0x27] = temp_block[0x36]; 
-        block[0x3D] = temp_block[0x2F]; block[0x2F] = temp_block[0x37]; 
+        block[0x2E] = temp_block[0x35]; block[0x33] = temp_block[0x3C];
+        block[0x3E] = temp_block[0x3D]; block[0x27] = temp_block[0x36];
+        block[0x3D] = temp_block[0x2F]; block[0x2F] = temp_block[0x37];
         block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
     }else if(s->dsp.idct_permutation_type == FF_LIBMPEG2_IDCT_PERM){
         if(last_non_zero_p1 <= 1) goto end;
-        block[0x04] = temp_block[0x01]; 
-        block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10]; 
+        block[0x04] = temp_block[0x01];
+        block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10];
         if(last_non_zero_p1 <= 4) goto end;
-        block[0x0C] = temp_block[0x09]; block[0x01] = temp_block[0x02]; 
-        block[0x05] = temp_block[0x03]; 
+        block[0x0C] = temp_block[0x09]; block[0x01] = temp_block[0x02];
+        block[0x05] = temp_block[0x03];
         if(last_non_zero_p1 <= 7) goto end;
-        block[0x09] = temp_block[0x0A]; block[0x14] = temp_block[0x11]; 
-        block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20]; 
+        block[0x09] = temp_block[0x0A]; block[0x14] = temp_block[0x11];
+        block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20];
         if(last_non_zero_p1 <= 11) goto end;
-        block[0x1C] = temp_block[0x19]; 
-        block[0x11] = temp_block[0x12]; block[0x0D] = temp_block[0x0B]; 
-        block[0x02] = temp_block[0x04]; block[0x06] = temp_block[0x05]; 
+        block[0x1C] = temp_block[0x19];
+        block[0x11] = temp_block[0x12]; block[0x0D] = temp_block[0x0B];
+        block[0x02] = temp_block[0x04]; block[0x06] = temp_block[0x05];
         if(last_non_zero_p1 <= 16) goto end;
-        block[0x0A] = temp_block[0x0C]; block[0x15] = temp_block[0x13]; 
-        block[0x19] = temp_block[0x1A]; block[0x24] = temp_block[0x21]; 
-        block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30]; 
-        block[0x2C] = temp_block[0x29]; block[0x21] = temp_block[0x22]; 
+        block[0x0A] = temp_block[0x0C]; block[0x15] = temp_block[0x13];
+        block[0x19] = temp_block[0x1A]; block[0x24] = temp_block[0x21];
+        block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30];
+        block[0x2C] = temp_block[0x29]; block[0x21] = temp_block[0x22];
         if(last_non_zero_p1 <= 24) goto end;
-        block[0x1D] = temp_block[0x1B]; block[0x12] = temp_block[0x14]; 
-        block[0x0E] = temp_block[0x0D]; block[0x03] = temp_block[0x06]; 
-        block[0x07] = temp_block[0x07]; block[0x0B] = temp_block[0x0E]; 
-        block[0x16] = temp_block[0x15]; block[0x1A] = temp_block[0x1C]; 
+        block[0x1D] = temp_block[0x1B]; block[0x12] = temp_block[0x14];
+        block[0x0E] = temp_block[0x0D]; block[0x03] = temp_block[0x06];
+        block[0x07] = temp_block[0x07]; block[0x0B] = temp_block[0x0E];
+        block[0x16] = temp_block[0x15]; block[0x1A] = temp_block[0x1C];
         if(last_non_zero_p1 <= 32) goto end;
-        block[0x25] = temp_block[0x23]; block[0x29] = temp_block[0x2A]; 
-        block[0x34] = temp_block[0x31]; block[0x38] = temp_block[0x38]; 
-        block[0x3C] = temp_block[0x39]; block[0x31] = temp_block[0x32]; 
-        block[0x2D] = temp_block[0x2B]; block[0x22] = temp_block[0x24]; 
+        block[0x25] = temp_block[0x23]; block[0x29] = temp_block[0x2A];
+        block[0x34] = temp_block[0x31]; block[0x38] = temp_block[0x38];
+        block[0x3C] = temp_block[0x39]; block[0x31] = temp_block[0x32];
+        block[0x2D] = temp_block[0x2B]; block[0x22] = temp_block[0x24];
         if(last_non_zero_p1 <= 40) goto end;
-        block[0x1E] = temp_block[0x1D]; block[0x13] = temp_block[0x16]; 
-        block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17]; 
-        block[0x1B] = temp_block[0x1E]; block[0x26] = temp_block[0x25]; 
-        block[0x2A] = temp_block[0x2C]; block[0x35] = temp_block[0x33]; 
+        block[0x1E] = temp_block[0x1D]; block[0x13] = temp_block[0x16];
+        block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17];
+        block[0x1B] = temp_block[0x1E]; block[0x26] = temp_block[0x25];
+        block[0x2A] = temp_block[0x2C]; block[0x35] = temp_block[0x33];
         if(last_non_zero_p1 <= 48) goto end;
-        block[0x39] = temp_block[0x3A]; block[0x3D] = temp_block[0x3B]; 
-        block[0x32] = temp_block[0x34]; block[0x2E] = temp_block[0x2D]; 
-            block[0x23] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; 
-        block[0x27] = temp_block[0x27]; block[0x2B] = temp_block[0x2E]; 
+        block[0x39] = temp_block[0x3A]; block[0x3D] = temp_block[0x3B];
+        block[0x32] = temp_block[0x34]; block[0x2E] = temp_block[0x2D];
+            block[0x23] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
+        block[0x27] = temp_block[0x27]; block[0x2B] = temp_block[0x2E];
         if(last_non_zero_p1 <= 56) goto end;
-        block[0x36] = temp_block[0x35]; block[0x3A] = temp_block[0x3C]; 
-        block[0x3E] = temp_block[0x3D]; block[0x33] = temp_block[0x36]; 
-        block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37]; 
+        block[0x36] = temp_block[0x35]; block[0x3A] = temp_block[0x3C];
+        block[0x3E] = temp_block[0x3D]; block[0x33] = temp_block[0x36];
+        block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37];
         block[0x3B] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
     }else{
         if(last_non_zero_p1 <= 1) goto end;
-        block[0x01] = temp_block[0x01]; 
-        block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10]; 
+        block[0x01] = temp_block[0x01];
+        block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10];
         if(last_non_zero_p1 <= 4) goto end;
-        block[0x09] = temp_block[0x09]; block[0x02] = temp_block[0x02]; 
-        block[0x03] = temp_block[0x03]; 
+        block[0x09] = temp_block[0x09]; block[0x02] = temp_block[0x02];
+        block[0x03] = temp_block[0x03];
         if(last_non_zero_p1 <= 7) goto end;
-        block[0x0A] = temp_block[0x0A]; block[0x11] = temp_block[0x11]; 
-        block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20]; 
+        block[0x0A] = temp_block[0x0A]; block[0x11] = temp_block[0x11];
+        block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20];
         if(last_non_zero_p1 <= 11) goto end;
-        block[0x19] = temp_block[0x19]; 
-        block[0x12] = temp_block[0x12]; block[0x0B] = temp_block[0x0B]; 
-        block[0x04] = temp_block[0x04]; block[0x05] = temp_block[0x05]; 
+        block[0x19] = temp_block[0x19];
+        block[0x12] = temp_block[0x12]; block[0x0B] = temp_block[0x0B];
+        block[0x04] = temp_block[0x04]; block[0x05] = temp_block[0x05];
         if(last_non_zero_p1 <= 16) goto end;
-        block[0x0C] = temp_block[0x0C]; block[0x13] = temp_block[0x13]; 
-        block[0x1A] = temp_block[0x1A]; block[0x21] = temp_block[0x21]; 
-        block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30]; 
-        block[0x29] = temp_block[0x29]; block[0x22] = temp_block[0x22]; 
+        block[0x0C] = temp_block[0x0C]; block[0x13] = temp_block[0x13];
+        block[0x1A] = temp_block[0x1A]; block[0x21] = temp_block[0x21];
+        block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30];
+        block[0x29] = temp_block[0x29]; block[0x22] = temp_block[0x22];
         if(last_non_zero_p1 <= 24) goto end;
-        block[0x1B] = temp_block[0x1B]; block[0x14] = temp_block[0x14]; 
-        block[0x0D] = temp_block[0x0D]; block[0x06] = temp_block[0x06]; 
-        block[0x07] = temp_block[0x07]; block[0x0E] = temp_block[0x0E]; 
-        block[0x15] = temp_block[0x15]; block[0x1C] = temp_block[0x1C]; 
+        block[0x1B] = temp_block[0x1B]; block[0x14] = temp_block[0x14];
+        block[0x0D] = temp_block[0x0D]; block[0x06] = temp_block[0x06];
+        block[0x07] = temp_block[0x07]; block[0x0E] = temp_block[0x0E];
+        block[0x15] = temp_block[0x15]; block[0x1C] = temp_block[0x1C];
         if(last_non_zero_p1 <= 32) goto end;
-        block[0x23] = temp_block[0x23]; block[0x2A] = temp_block[0x2A]; 
-        block[0x31] = temp_block[0x31]; block[0x38] = temp_block[0x38]; 
-        block[0x39] = temp_block[0x39]; block[0x32] = temp_block[0x32]; 
-        block[0x2B] = temp_block[0x2B]; block[0x24] = temp_block[0x24]; 
+        block[0x23] = temp_block[0x23]; block[0x2A] = temp_block[0x2A];
+        block[0x31] = temp_block[0x31]; block[0x38] = temp_block[0x38];
+        block[0x39] = temp_block[0x39]; block[0x32] = temp_block[0x32];
+        block[0x2B] = temp_block[0x2B]; block[0x24] = temp_block[0x24];
         if(last_non_zero_p1 <= 40) goto end;
-        block[0x1D] = temp_block[0x1D]; block[0x16] = temp_block[0x16]; 
-        block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17]; 
-        block[0x1E] = temp_block[0x1E]; block[0x25] = temp_block[0x25]; 
-        block[0x2C] = temp_block[0x2C]; block[0x33] = temp_block[0x33]; 
+        block[0x1D] = temp_block[0x1D]; block[0x16] = temp_block[0x16];
+        block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17];
+        block[0x1E] = temp_block[0x1E]; block[0x25] = temp_block[0x25];
+        block[0x2C] = temp_block[0x2C]; block[0x33] = temp_block[0x33];
         if(last_non_zero_p1 <= 48) goto end;
-        block[0x3A] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B]; 
-        block[0x34] = temp_block[0x34]; block[0x2D] = temp_block[0x2D]; 
-        block[0x26] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; 
-        block[0x27] = temp_block[0x27]; block[0x2E] = temp_block[0x2E]; 
+        block[0x3A] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B];
+        block[0x34] = temp_block[0x34]; block[0x2D] = temp_block[0x2D];
+        block[0x26] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
+        block[0x27] = temp_block[0x27]; block[0x2E] = temp_block[0x2E];
         if(last_non_zero_p1 <= 56) goto end;
-        block[0x35] = temp_block[0x35]; block[0x3C] = temp_block[0x3C]; 
-        block[0x3D] = temp_block[0x3D]; block[0x36] = temp_block[0x36]; 
-        block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37]; 
+        block[0x35] = temp_block[0x35]; block[0x3C] = temp_block[0x3C];
+        block[0x3D] = temp_block[0x3D]; block[0x36] = temp_block[0x36];
+        block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37];
         block[0x3E] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
     }
     end: