aacdec: change type of data in decode_audio_specific_config parameters

[ffmpeg] / libavcodec / get_bits.h

diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index d9ef8607f2b3400d709640546512be0a0166b24c..f4b3646e690fb4ccd378f2217a94d0e56746d6d8 100644 (file)
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -19,7 +19,7 @@
  */
 
 /**
- * @file libavcodec/get_bits.h
+ * @file
  * bitstream reader API header.
  */
 
@@ -49,27 +49,6 @@
 #   endif
 #endif
 
-#if ARCH_X86
-// avoid +32 for shift optimization (gcc should do that ...)
-static inline  int32_t NEG_SSR32( int32_t a, int8_t s){
-    __asm__ ("sarl %1, %0\n\t"
-         : "+r" (a)
-         : "ic" ((uint8_t)(-s))
-    );
-    return a;
-}
-static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
-    __asm__ ("shrl %1, %0\n\t"
-         : "+r" (a)
-         : "ic" ((uint8_t)(-s))
-    );
-    return a;
-}
-#else
-#    define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s)))
-#    define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s)))
-#endif
-
 /* bit input */
 /* buffer, buffer_end and size_in_bits must be present and used by every reader */
 typedef struct GetBitContext {
@@ -152,7 +131,7 @@ for examples see get_bits, show_bits, skip_bits, get_vlc
 #   define MIN_CACHE_BITS 25
 
 #   define OPEN_READER(name, gb)\
-        int name##_index= (gb)->index;\
+        unsigned int name##_index= (gb)->index;\
         int name##_cache= 0;\
 
 #   define CLOSE_READER(name, gb)\
@@ -187,10 +166,10 @@ for examples see get_bits, show_bits, skip_bits, get_vlc
 
 # ifdef ALT_BITSTREAM_READER_LE
 #   define SHOW_UBITS(name, gb, num)\
-        ((name##_cache) & (NEG_USR32(0xffffffff,num)))
+        zero_extend(name##_cache, num)
 
 #   define SHOW_SBITS(name, gb, num)\
-        NEG_SSR32((name##_cache)<<(32-(num)), num)
+        sign_extend(name##_cache, num)
 # else
 #   define SHOW_UBITS(name, gb, num)\
         NEG_USR32(name##_cache, num)
@@ -288,7 +267,7 @@ static inline void skip_bits_long(GetBitContext *s, int n){
 
 #   define UPDATE_CACHE(name, gb)\
     if(name##_bit_count > 0){\
-        const uint32_t next= be2me_32( *name##_buffer_ptr );\
+        const uint32_t next= av_be2ne32( *name##_buffer_ptr );\
         name##_cache0 |= NEG_USR32(next,name##_bit_count);\
         name##_cache1 |= next<<name##_bit_count;\
         name##_buffer_ptr++;\
@@ -340,7 +319,7 @@ static inline void skip_bits_long(GetBitContext *s, int n){
     re_bit_count += n;
     re_buffer_ptr += re_bit_count>>5;
     re_bit_count &= 31;
-    re_cache0 = be2me_32( re_buffer_ptr[-1] ) << re_bit_count;
+    re_cache0 = av_be2ne32( re_buffer_ptr[-1] ) << re_bit_count;
     re_cache1 = 0;
     UPDATE_CACHE(re, s)
     CLOSE_READER(re, s)
@@ -413,7 +392,7 @@ static inline void skip_bits(GetBitContext *s, int n){
 
 static inline unsigned int get_bits1(GetBitContext *s){
 #ifdef ALT_BITSTREAM_READER
-    int index= s->index;
+    unsigned int index= s->index;
     uint8_t result= s->buffer[ index>>3 ];
 #ifdef ALT_BITSTREAM_READER_LE
     result>>= (index&0x07);
@@ -443,7 +422,7 @@ static inline void skip_bits1(GetBitContext *s){
  * reads 0-32 bits.
  */
 static inline unsigned int get_bits_long(GetBitContext *s, int n){
-    if(n<=17) return get_bits(s, n);
+    if(n<=MIN_CACHE_BITS) return get_bits(s, n);
     else{
 #ifdef ALT_BITSTREAM_READER_LE
         int ret= get_bits(s, 16);
@@ -466,7 +445,7 @@ static inline int get_sbits_long(GetBitContext *s, int n) {
  * shows 0-32 bits.
  */
 static inline unsigned int show_bits_long(GetBitContext *s, int n){
-    if(n<=17) return show_bits(s, n);
+    if(n<=MIN_CACHE_BITS) return show_bits(s, n);
     else{
         GetBitContext gb= *s;
         return get_bits_long(&gb, n);
@@ -551,13 +530,14 @@ void free_vlc(VLC *vlc);
 
 /**
  *
- * if the vlc code is invalid and max_depth=1 than no bits will be removed
- * if the vlc code is invalid and max_depth>1 than the number of bits removed
- * is undefined
+ * If the vlc code is invalid and max_depth=1, then no bits will be removed.
+ * If the vlc code is invalid and max_depth>1, then the number of bits removed
+ * is undefined.
  */
 #define GET_VLC(code, name, gb, table, bits, max_depth)\
 {\
-    int n, index, nb_bits;\
+    int n, nb_bits;\
+    unsigned int index;\
 \
     index= SHOW_UBITS(name, gb, bits);\
     code = table[index][0];\
@@ -588,7 +568,8 @@ void free_vlc(VLC *vlc);
 
 #define GET_RL_VLC(level, run, name, gb, table, bits, max_depth, need_update)\
 {\
-    int n, index, nb_bits;\
+    int n, nb_bits;\
+    unsigned int index;\
 \
     index= SHOW_UBITS(name, gb, bits);\
     level = table[index].level;\