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Diffstat (limited to 'src/libffmpeg/libavcodec/common.h')
-rw-r--r--src/libffmpeg/libavcodec/common.h254
1 files changed, 140 insertions, 114 deletions
diff --git a/src/libffmpeg/libavcodec/common.h b/src/libffmpeg/libavcodec/common.h
index 451c18248..8b8c7453b 100644
--- a/src/libffmpeg/libavcodec/common.h
+++ b/src/libffmpeg/libavcodec/common.h
@@ -5,45 +5,45 @@
#define FFMPEG_VERSION "0.4.6"
#if defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
-#define CONFIG_WIN32
+# define CONFIG_WIN32
#endif
-/* #define ALT_BITSTREAM_WRITER */
-/* #define ALIGNED_BITSTREAM_WRITER */
+//#define ALT_BITSTREAM_WRITER
+//#define ALIGNED_BITSTREAM_WRITER
#define ALT_BITSTREAM_READER
-/* #define LIBMPEG2_BITSTREAM_READER */
-/* #define A32_BITSTREAM_READER */
+//#define LIBMPEG2_BITSTREAM_READER
+//#define A32_BITSTREAM_READER
#ifdef HAVE_AV_CONFIG_H
/* only include the following when compiling package */
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#ifndef __BEOS__
-#include <errno.h>
-#else
-#include "berrno.h"
-#endif
-#include <math.h>
-
-#ifndef ENODATA
-#define ENODATA 61
-#endif
+# include "config.h"
+
+# include <stdlib.h>
+# include <stdio.h>
+# include <string.h>
+# ifndef __BEOS__
+# include <errno.h>
+# else
+# include "berrno.h"
+# endif
+# include <math.h>
+
+# ifndef ENODATA
+# define ENODATA 61
+# endif
#endif /* HAVE_AV_CONFIG_H */
/* Suppress restrict if it was not defined in config.h. */
#ifndef restrict
-#define restrict
+# define restrict
#endif
#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
-#define always_inline __attribute__((always_inline)) inline
+# define always_inline __attribute__((always_inline)) inline
#else
-#define always_inline inline
+# define always_inline inline
#endif
#ifdef CONFIG_WIN32
@@ -68,37 +68,37 @@ typedef INT32 int32_t;
typedef UINT64 uint64_t;
typedef INT64 int64_t;
-#ifndef __MINGW32__
-#define INT64_C(c) (c ## i64)
-#define UINT64_C(c) (c ## i64)
+# ifndef __MINGW32__
+# define INT64_C(c) (c ## i64)
+# define UINT64_C(c) (c ## i64)
-#define inline __inline
+# define inline __inline
-#else
-#define INT64_C(c) (c ## LL)
-#define UINT64_C(c) (c ## ULL)
-#endif /* __MINGW32__ */
+# else
+# define INT64_C(c) (c ## LL)
+# define UINT64_C(c) (c ## ULL)
+# endif /* __MINGW32__ */
-#define M_PI 3.14159265358979323846
-#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
+# define M_PI 3.14159265358979323846
+# define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
-#ifdef _DEBUG
-#define DEBUG
-#endif
+# ifdef _DEBUG
+# define DEBUG
+# endif
-#define snprintf _snprintf
+# define snprintf _snprintf
#else /* CONFIG_WIN32 */
/* unix */
-#include <inttypes.h>
+# include <inttypes.h>
-#ifndef __WINE_WINDEF16_H
+# ifndef __WINE_WINDEF16_H
/* workaround for typedef conflict in MPlayer (wine typedefs) */
typedef unsigned short UINT16;
typedef signed short INT16;
-#endif
+# endif
typedef unsigned char UINT8;
typedef unsigned int UINT32;
@@ -107,45 +107,45 @@ typedef signed char INT8;
typedef signed int INT32;
typedef signed long long INT64;
-#ifdef HAVE_AV_CONFIG_H
+# ifdef HAVE_AV_CONFIG_H
-#ifndef INT64_C
-#define INT64_C(c) (c ## LL)
-#define UINT64_C(c) (c ## ULL)
-#endif
+# ifndef INT64_C
+# define INT64_C(c) (c ## LL)
+# define UINT64_C(c) (c ## ULL)
+# endif
-#ifdef USE_FASTMEMCPY
-#include "fastmemcpy.h"
-#endif
+# ifdef USE_FASTMEMCPY
+# include "fastmemcpy.h"
+# endif
-#endif /* HAVE_AV_CONFIG_H */
+# endif /* HAVE_AV_CONFIG_H */
#endif /* !CONFIG_WIN32 */
#ifdef HAVE_AV_CONFIG_H
-#include "bswap.h"
+# include "bswap.h"
-#if defined(__MINGW32__) || defined(__CYGWIN__) || \
- defined(__OS2__) || defined (__OpenBSD__)
-#define MANGLE(a) "_" #a
-#else
-#define MANGLE(a) #a
-#endif
+# if defined(__MINGW32__) || defined(__CYGWIN__) || \
+ defined(__OS2__) || defined (__OpenBSD__)
+# define MANGLE(a) "_" #a
+# else
+# define MANGLE(a) #a
+# endif
/* debug stuff */
-#ifndef DEBUG
-#define NDEBUG
-#endif
-#include <assert.h>
+# ifndef DEBUG
+# define NDEBUG
+# endif
+# include <assert.h>
/* dprintf macros */
-#if defined(CONFIG_WIN32) && !defined(__MINGW32__)
+# if defined(CONFIG_WIN32) && !defined(__MINGW32__)
inline void dprintf(const char* fmt,...) {}
-#else
+# else
#if __GNUC__
#ifdef DEBUG
@@ -161,10 +161,12 @@ inline void dprintf(const char* fmt,...) {}
#endif
#endif
-#endif /* !CONFIG_WIN32 */
+# endif /* !CONFIG_WIN32 */
-#define av_abort() do { fprintf(stderr, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
+# define av_abort() do { fprintf(stderr, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
+//rounded divison & shift
+#define RSHIFT(a,b) ((a) > 0 ? ((a) + (1<<((b)-1)))>>(b) : ((a) + (1<<((b)-1))-1)>>(b))
/* assume b>0 */
#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
#define ABS(a) ((a) >= 0 ? (a) : (-(a)))
@@ -172,24 +174,24 @@ inline void dprintf(const char* fmt,...) {}
#define MIN(a,b) ((a) > (b) ? (b) : (a))
#ifdef ARCH_X86
-/* avoid +32 for shift optimization (gcc should do that ...) */
+// 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"
+ 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"
+ 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)))
+# define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s)))
+# define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s)))
#endif
/* bit output */
@@ -210,7 +212,7 @@ typedef struct PutBitContext {
INT64 data_out_size; /* in bytes */
} PutBitContext;
-void init_put_bits(PutBitContext *s,
+void init_put_bits(PutBitContext *s,
UINT8 *buffer, int buffer_size,
void *opaque,
void (*write_data)(void *, UINT8 *, int));
@@ -248,7 +250,7 @@ static inline int get_bits_count(GetBitContext *s);
typedef struct VLC {
int bits;
- VLC_TYPE (*table)[2]; /* code, bits */
+ VLC_TYPE (*table)[2]; // code, bits
int table_size, table_allocated;
} VLC;
@@ -260,9 +262,9 @@ typedef struct RL_VLC_ELEM {
/* used to avoid missaligned exceptions on some archs (alpha, ...) */
#ifdef ARCH_X86
-#define unaligned32(a) (*(UINT32*)(a))
+# define unaligned32(a) (*(UINT32*)(a))
#else
-#ifdef __GNUC__
+# ifdef __GNUC__
static inline uint32_t unaligned32(const void *v) {
struct Unaligned {
uint32_t i;
@@ -270,16 +272,16 @@ static inline uint32_t unaligned32(const void *v) {
return ((const struct Unaligned *) v)->i;
}
-#elif defined(__DECC)
+# elif defined(__DECC)
static inline uint32_t unaligned32(const void *v) {
return *(const __unaligned uint32_t *) v;
}
-#else
+# else
static inline uint32_t unaligned32(const void *v) {
return *(const uint32_t *) v;
}
-#endif
-#endif /* !ARCH_X86 */
+# endif
+#endif //!ARCH_X86
#ifndef ALT_BITSTREAM_WRITER
static inline void put_bits(PutBitContext *s, int n, unsigned int value)
@@ -290,13 +292,13 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
#ifdef STATS
st_out_bit_counts[st_current_index] += n;
#endif
- /* printf("put_bits=%d %x\n", n, value); */
+ // printf("put_bits=%d %x\n", n, value);
assert(n == 32 || value < (1U << n));
-
+
bit_buf = s->bit_buf;
bit_left = s->bit_left;
- /* printf("n=%d value=%x cnt=%d buf=%x\n", n, value, bit_cnt, bit_buf); */
+ // printf("n=%d value=%x cnt=%d buf=%x\n", n, value, bit_cnt, bit_buf);
/* XXX: optimize */
if (n < bit_left) {
bit_buf = (bit_buf<<n) | value;
@@ -305,7 +307,7 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
bit_buf<<=bit_left;
bit_buf |= value >> (n - bit_left);
*(UINT32 *)s->buf_ptr = be2me_32(bit_buf);
- /* printf("bitbuf = %08x\n", bit_buf); */
+ //printf("bitbuf = %08x\n", bit_buf);
s->buf_ptr+=4;
bit_left+=32 - n;
bit_buf = value;
@@ -320,8 +322,8 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
#ifdef ALT_BITSTREAM_WRITER
static inline void put_bits(PutBitContext *s, int n, unsigned int value)
{
-#ifdef ALIGNED_BITSTREAM_WRITER
-#ifdef ARCH_X86
+# ifdef ALIGNED_BITSTREAM_WRITER
+# ifdef ARCH_X86
asm volatile(
"movl %0, %%ecx \n\t"
"xorl %%eax, %%eax \n\t"
@@ -339,20 +341,20 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
: "r" (s->buf), "r" (n), "0" (s->index), "1" (value<<(-n))
: "%eax", "%ecx"
);
-#else
+# else
int index= s->index;
uint32_t *ptr= ((uint32_t *)s->buf)+(index>>5);
-
- value<<= 32-n;
-
+
+ value<<= 32-n;
+
ptr[0] |= be2me_32(value>>(index&31));
ptr[1] = be2me_32(value<<(32-(index&31)));
-/* if(n>24) printf("%d %d\n", n, value); */
+//if(n>24) printf("%d %d\n", n, value);
index+= n;
s->index= index;
-#endif
-#else /* ALIGNED_BITSTREAM_WRITER */
-#ifdef ARCH_X86
+# endif
+# else //ALIGNED_BITSTREAM_WRITER
+# ifdef ARCH_X86
asm volatile(
"movl $7, %%ecx \n\t"
"andl %0, %%ecx \n\t"
@@ -369,17 +371,17 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
: "r" (s->buf), "r" (n), "0" (s->index), "1" (value)
: "%ecx"
);
-#else
+# else
int index= s->index;
uint32_t *ptr= (uint32_t*)(((uint8_t *)s->buf)+(index>>3));
-
+
ptr[0] |= be2me_32(value<<(32-n-(index&7) ));
ptr[1] = 0;
-/* if(n>24) printf("%d %d\n", n, value); */
+//if(n>24) printf("%d %d\n", n, value);
index+= n;
s->index= index;
-#endif
-#endif /* !ALIGNED_BITSTREAM_WRITER */
+# endif
+# endif //!ALIGNED_BITSTREAM_WRITER
}
#endif
@@ -389,13 +391,13 @@ static inline void jput_bits(PutBitContext *s, int n, unsigned int value)
{
unsigned int bit_buf, b;
int bit_left, i;
-
+
assert(n == 32 || value < (1U << n));
bit_buf = s->bit_buf;
bit_left = s->bit_left;
- /* printf("n=%d value=%x cnt=%d buf=%x\n", n, value, bit_cnt, bit_buf); */
+ //printf("n=%d value=%x cnt=%d buf=%x\n", n, value, bit_cnt, bit_buf);
/* XXX: optimize */
if (n < bit_left) {
bit_buf = (bit_buf<<n) | value;
@@ -415,7 +417,7 @@ static inline void jput_bits(PutBitContext *s, int n, unsigned int value)
bit_left+= 32 - n;
bit_buf = value;
}
-
+
s->bit_buf = bit_buf;
s->bit_left = bit_left;
}
@@ -428,15 +430,15 @@ static inline void jput_bits(PutBitContext *s, int n, int value)
int index= s->index;
uint32_t *ptr= (uint32_t*)(((uint8_t *)s->buf)+(index>>3));
int v= ptr[0];
-/* if(n>24) printf("%d %d\n", n, value); */
-
+//if(n>24) printf("%d %d\n", n, value);
+
v |= be2me_32(value<<(32-n-(index&7) ));
if(((v+0x01010101)^0xFFFFFFFF)&v&0x80808080)
{
/* handle idiotic (m)jpeg escapes */
uint8_t *bPtr= (uint8_t*)ptr;
int numChecked= ((index+n)>>3) - (index>>3);
-
+
v= be2me_32(v);
*(bPtr++)= v>>24;
@@ -542,7 +544,7 @@ for examples see get_bits, show_bits, skip_bits, get_vlc
# define SKIP_CACHE(name, gb, num)\
name##_cache <<= (num);\
-/* FIXME name? */
+// FIXME name?
# define SKIP_COUNTER(name, gb, num)\
name##_index += (num);\
@@ -568,7 +570,7 @@ static inline int get_bits_count(GetBitContext *s){
return s->index;
}
#elif defined LIBMPEG2_BITSTREAM_READER
-/* libmpeg2 like reader */
+//libmpeg2 like reader
# define MIN_CACHE_BITS 16
@@ -699,12 +701,12 @@ static inline unsigned int show_bits(GetBitContext *s, int n){
OPEN_READER(re, s)
UPDATE_CACHE(re, s)
tmp= SHOW_UBITS(re, s, n);
-/* CLOSE_READER(re, s) */
+// CLOSE_READER(re, s)
return tmp;
}
static inline void skip_bits(GetBitContext *s, int n){
-/* Note gcc seems to optimize this to s->index+=n for the ALT_READER :)) */
+ //Note gcc seems to optimize this to s->index+=n for the ALT_READER :))
OPEN_READER(re, s)
UPDATE_CACHE(re, s)
LAST_SKIP_BITS(re, s, n)
@@ -797,16 +799,16 @@ void free_vlc(VLC *vlc);
SKIP_BITS(name, gb, n)\
}
-/* deprecated, dont use get_vlc for new code, use get_vlc2 instead or use GET_VLC directly */
+// deprecated, dont use get_vlc for new code, use get_vlc2 instead or use GET_VLC directly
static inline int get_vlc(GetBitContext *s, VLC *vlc)
{
int code;
VLC_TYPE (*table)[2]= vlc->table;
-
+
OPEN_READER(re, s)
UPDATE_CACHE(re, s)
- GET_VLC(code, re, s, table, vlc->bits, 3)
+ GET_VLC(code, re, s, table, vlc->bits, 3)
CLOSE_READER(re, s)
return code;
@@ -816,7 +818,7 @@ static always_inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],
int bits, int max_depth)
{
int code;
-
+
OPEN_READER(re, s)
UPDATE_CACHE(re, s)
@@ -829,7 +831,7 @@ static always_inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],
/* define it to include statistics code (useful only for optimizing
codec efficiency */
-/* #define STATS */
+//#define STATS
#ifdef STATS
@@ -918,9 +920,9 @@ static inline int ff_sqrt(int a)
int ret=0;
int s;
int ret_sq=0;
-
+
if(a<128) return ff_sqrt_tab[a];
-
+
for(s=15; s>=0; s--){
int b= ret_sq + (1<<(s*2)) + (ret<<s)*2;
if(b<=a){
@@ -930,7 +932,31 @@ static inline int ff_sqrt(int a)
}
return ret;
}
-#define RUNTIME_CPUDETECT
+
+/**
+ * converts fourcc string to int
+ */
+static inline int ff_get_fourcc(char *s){
+ assert( strlen(s)==4 );
+
+ return (s[0]) + (s[1]<<8) + (s[2]<<16) + (s[3]<<24);
+}
+
+
+#ifdef ARCH_X86
+#define MASK_ABS(mask, level)\
+ asm volatile(\
+ "cdq \n\t"\
+ "xorl %1, %0 \n\t"\
+ "subl %1, %0 \n\t"\
+ : "+a" (level), "=&d" (mask)\
+ );
+#else
+#define MASK_ABS(mask, level)\
+ mask= level>>31;\
+ level= (level^mask)-mask;
+#endif
+
#if __CPU__ >= 686 && !defined(RUNTIME_CPUDETECT)
#define COPY3_IF_LT(x,y,a,b,c,d)\
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-01 07:39:02 +0000