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Initial cleanup for libwmapro.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27425 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Mohamed Tarek 2010-07-15 05:38:09 +00:00
parent 5d2969c94e
commit 387af97a26
33 changed files with 126 additions and 12233 deletions
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52
apps/codecs/libwmapro/get_bits.h
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@ -30,10 +30,20 @@
#include <stdlib.h>
//#include <assert.h>
#include "libavutil/bswap.h"
#include "libavutil/common.h"
//#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "mathops.h"
//#include "libavutil/log.h"
#define av_log(...)
/* NEG_* were taken from mathops.h */
#ifndef NEG_SSR32
# define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s)))
#endif
#ifndef NEG_USR32
# define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s)))
#endif
#if defined(ALT_BITSTREAM_READER_LE) && !defined(ALT_BITSTREAM_READER)
# define ALT_BITSTREAM_READER
@ -321,24 +331,6 @@ static inline void skip_bits_long(GetBitContext *s, int n){
#endif
/**
* read mpeg1 dc style vlc (sign bit + mantisse with no MSB).
* if MSB not set it is negative
* @param n length in bits
* @author BERO
*/
static inline int get_xbits(GetBitContext *s, int n){
register int sign;
register int32_t cache;
OPEN_READER(re, s)
UPDATE_CACHE(re, s)
cache = GET_CACHE(re,s);
sign=(~cache)>>31;
LAST_SKIP_BITS(re, s, n)
CLOSE_READER(re, s)
return (NEG_USR32(sign ^ cache, n) ^ sign) - sign;
}
static inline int get_sbits(GetBitContext *s, int n){
register int tmp;
OPEN_READER(re, s)
@ -428,13 +420,6 @@ static inline unsigned int get_bits_long(GetBitContext *s, int n){
}
}
/**
* reads 0-32 bits as a signed integer.
*/
static inline int get_sbits_long(GetBitContext *s, int n) {
return sign_extend(get_bits_long(s, n), n);
}
/**
* shows 0-32 bits.
*/
@ -446,15 +431,6 @@ static inline unsigned int show_bits_long(GetBitContext *s, int n){
}
}
static inline int check_marker(GetBitContext *s, const char *msg)
{
int bit= get_bits1(s);
if(!bit)
av_log(NULL, AV_LOG_INFO, "Marker bit missing %s\n", msg);
return bit;
}
/**
* init GetBitContext.
* @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes larger then the actual read bits
@ -594,7 +570,7 @@ void free_vlc(VLC *vlc);
* read the longest vlc code
* = (max_vlc_length + bits - 1) / bits
*/
static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],
static inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],
int bits, int max_depth)
{
int code;