Define POW_SF2_ZERO in aac.h and use for ff_aac_pow2sf_tabp[] offsets instead

[ffmpeg] / libavcodec / cabac.h

diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h
index e012727054e694f3a5541136adc407ed189de8e3..470856390454e6c7f294f7737b3b2e66d8630f50 100644 (file)
--- a/libavcodec/cabac.h
+++ b/libavcodec/cabac.h
@@ -2,32 +2,32 @@
  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file cabac.h
+ * @file
  * Context Adaptive Binary Arithmetic Coder.
  */
 
 #ifndef AVCODEC_CABAC_H
 #define AVCODEC_CABAC_H
 
-#include "bitstream.h"
+#include "put_bits.h"
 
 //#undef NDEBUG
 #include <assert.h>
@@ -270,7 +270,7 @@ static void refill(CABACContext *c){
     c->bytestream+= CABAC_BITS/8;
 }
 
-#if ! ( defined(ARCH_X86) && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS) )
+#if ! ( ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS) )
 static void refill2(CABACContext *c){
     int i, x;
 
@@ -372,7 +372,7 @@ static av_always_inline int get_cabac_inline(CABACContext *c, uint8_t * const st
     //FIXME gcc generates duplicate load/stores for c->low and c->range
 #define LOW          "0"
 #define RANGE        "4"
-#ifdef ARCH_X86_64
+#if ARCH_X86_64
 #define BYTESTART   "16"
 #define BYTE        "24"
 #define BYTEEND     "32"
@@ -381,7 +381,7 @@ static av_always_inline int get_cabac_inline(CABACContext *c, uint8_t * const st
 #define BYTE        "16"
 #define BYTEEND     "20"
 #endif
-#if defined(ARCH_X86) && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS)
+#if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS)
     int bit;
 
 #ifndef BRANCHLESS_CABAC_DECODER
@@ -467,7 +467,7 @@ static av_always_inline int get_cabac_inline(CABACContext *c, uint8_t * const st
 #else /* BRANCHLESS_CABAC_DECODER */
 
 
-#if defined HAVE_FAST_CMOV
+#if HAVE_FAST_CMOV
 #define BRANCHLESS_GET_CABAC_UPDATE(ret, cabac, statep, low, lowword, range, tmp, tmpbyte)\
         "mov    "tmp"       , %%ecx                                     \n\t"\
         "shl    $17         , "tmp"                                     \n\t"\
@@ -537,7 +537,7 @@ static av_always_inline int get_cabac_inline(CABACContext *c, uint8_t * const st
     );
     bit&=1;
 #endif /* BRANCHLESS_CABAC_DECODER */
-#else /* defined(ARCH_X86) && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS) */
+#else /* ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS) */
     int s = *state;
     int RangeLPS= ff_h264_lps_range[2*(c->range&0xC0) + s];
     int bit, lps_mask av_unused;
@@ -576,7 +576,7 @@ static av_always_inline int get_cabac_inline(CABACContext *c, uint8_t * const st
     if(!(c->low & CABAC_MASK))
         refill2(c);
 #endif /* BRANCHLESS_CABAC_DECODER */
-#endif /* defined(ARCH_X86) && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS) */
+#endif /* ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS) */
     return bit;
 }
 
@@ -637,7 +637,7 @@ static int av_unused get_cabac_bypass(CABACContext *c){
 
 
 static av_always_inline int get_cabac_bypass_sign(CABACContext *c, int val){
-#if defined(ARCH_X86) && !(defined(PIC) && defined(__GNUC__))
+#if ARCH_X86 && HAVE_EBX_AVAILABLE
     __asm__ volatile(
         "movl "RANGE    "(%1), %%ebx            \n\t"
         "movl "LOW      "(%1), %%eax            \n\t"