]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/x86/h264_i386.h
Merge remote-tracking branch 'qatar/master'
[ffmpeg] / libavcodec / x86 / h264_i386.h
index c0033b7ff35683f0809d34736a1e2926da6bdc45..0dc0a7cb0f39bf809032041177aef9da1be50747 100644 (file)
@@ -2,20 +2,20 @@
  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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 2.1 of the License, or (at your option) any later version.
  *
- * Libav 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -34,6 +34,8 @@
 #include "libavcodec/cabac.h"
 #include "cabac.h"
 
+#if HAVE_INLINE_ASM
+
 //FIXME use some macros to avoid duplicating get_cabac (cannot be done yet
 //as that would make optimization work hard)
 #if HAVE_7REGS
@@ -61,7 +63,11 @@ static int decode_significance_x86(CABACContext *c, int max_coeff,
 
         BRANCHLESS_GET_CABAC("%4", "%q4", "(%1)", "%3", "%w3",
                              "%5", "%q5", "%k0", "%b0",
-                             "%a11(%6)", "%a12(%6)", "%a13", "%a14", "%a15", "%16")
+                             "%c11(%6)", "%c12(%6)",
+                             AV_STRINGIFY(H264_NORM_SHIFT_OFFSET),
+                             AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
+                             AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
+                             "%13")
 
         "test $1, %4                            \n\t"
         " jz 4f                                 \n\t"
@@ -69,7 +75,11 @@ static int decode_significance_x86(CABACContext *c, int max_coeff,
 
         BRANCHLESS_GET_CABAC("%4", "%q4", "(%1)", "%3", "%w3",
                              "%5", "%q5", "%k0", "%b0",
-                             "%a11(%6)", "%a12(%6)", "%a13", "%a14", "%a15", "%16")
+                             "%c11(%6)", "%c12(%6)",
+                             AV_STRINGIFY(H264_NORM_SHIFT_OFFSET),
+                             AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
+                             AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
+                             "%13")
 
         "sub  %10, %1                           \n\t"
         "mov  %2, %0                            \n\t"
@@ -97,10 +107,8 @@ static int decode_significance_x86(CABACContext *c, int max_coeff,
           "+&r"(c->low), "=&r"(bit), "+&r"(c->range)
         : "r"(c), "m"(minusstart), "m"(end), "m"(minusindex), "m"(last_off),
           "i"(offsetof(CABACContext, bytestream)),
-          "i"(offsetof(CABACContext, bytestream_end)),
-          "i"(H264_NORM_SHIFT_OFFSET),
-          "i"(H264_LPS_RANGE_OFFSET),
-          "i"(H264_MLPS_STATE_OFFSET) TABLES_ARG
+          "i"(offsetof(CABACContext, bytestream_end))
+          TABLES_ARG
         : "%"REG_c, "memory"
     );
     return coeff_count;
@@ -135,22 +143,30 @@ static int decode_significance_8x8_x86(CABACContext *c,
 
         BRANCHLESS_GET_CABAC("%4", "%q4", "(%6)", "%3", "%w3",
                              "%5", "%q5", "%k0", "%b0",
-                             "%a12(%7)", "%a13(%7)", "%a14", "%a15", "%a16", "%18")
+                             "%c12(%7)", "%c13(%7)",
+                             AV_STRINGIFY(H264_NORM_SHIFT_OFFSET),
+                             AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
+                             AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
+                             "%15")
 
         "mov %1, %k6                            \n\t"
         "test $1, %4                            \n\t"
         " jz 4f                                 \n\t"
 
 #ifdef BROKEN_RELOCATIONS
-        "movzbl %a17(%18, %q6), %k6\n\t"
+        "movzbl %c14(%15, %q6), %k6\n\t"
 #else
-        "movzbl "MANGLE(ff_h264_cabac_tables)"+%a17(%k6), %k6\n\t"
+        "movzbl "MANGLE(ff_h264_cabac_tables)"+%c14(%k6), %k6\n\t"
 #endif
         "add %11, %6                            \n\t"
 
         BRANCHLESS_GET_CABAC("%4", "%q4", "(%6)", "%3", "%w3",
                              "%5", "%q5", "%k0", "%b0",
-                             "%a12(%7)", "%a13(%7)", "%a14", "%a15", "%a16", "%18")
+                             "%c12(%7)", "%c13(%7)",
+                             AV_STRINGIFY(H264_NORM_SHIFT_OFFSET),
+                             AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
+                             AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
+                             "%15")
 
         "mov %2, %0                             \n\t"
         "mov %1, %k6                            \n\t"
@@ -177,9 +193,6 @@ static int decode_significance_8x8_x86(CABACContext *c,
           "m"(sig_off), "m"(last_coeff_ctx_base),
           "i"(offsetof(CABACContext, bytestream)),
           "i"(offsetof(CABACContext, bytestream_end)),
-          "i"(H264_NORM_SHIFT_OFFSET),
-          "i"(H264_LPS_RANGE_OFFSET),
-          "i"(H264_MLPS_STATE_OFFSET),
           "i"(H264_LAST_COEFF_FLAG_OFFSET_8x8_OFFSET) TABLES_ARG
         : "%"REG_c, "memory"
     );
@@ -187,4 +200,5 @@ static int decode_significance_8x8_x86(CABACContext *c,
 }
 #endif /* HAVE_7REGS && !defined(BROKEN_RELOCATIONS) */
 
+#endif /* HAVE_INLINE_ASM */
 #endif /* AVCODEC_X86_H264_I386_H */