+/**
+ * @file common.h
+ * common internal api header.
+ */
+
#ifndef COMMON_H
#define COMMON_H
-#define FFMPEG_VERSION_INT 0x000406
-#define FFMPEG_VERSION "0.4.6"
-
#if defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
# define CONFIG_WIN32
#endif
#define ALT_BITSTREAM_READER
//#define LIBMPEG2_BITSTREAM_READER
//#define A32_BITSTREAM_READER
+#define LIBMPEG2_BITSTREAM_READER_HACK //add BERO
#ifdef HAVE_AV_CONFIG_H
/* only include the following when compiling package */
# define ENODATA 61
# endif
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+#include <stddef.h>
+#ifndef offsetof
+# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
+#endif
+
+#define AVOPTION_CODEC_BOOL(name, help, field) \
+ { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_BOOL }
+#define AVOPTION_CODEC_DOUBLE(name, help, field, minv, maxv, defval) \
+ { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_DOUBLE, minv, maxv, defval }
+#define AVOPTION_CODEC_FLAG(name, help, field, flag, defval) \
+ { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_FLAG, flag, 0, defval }
+#define AVOPTION_CODEC_INT(name, help, field, minv, maxv, defval) \
+ { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_INT, minv, maxv, defval }
+#define AVOPTION_CODEC_STRING(name, help, field, str, val) \
+ { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_STRING, .defval = val, .defstr = str }
+#define AVOPTION_CODEC_RCOVERRIDE(name, help, field) \
+ { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_RCOVERRIDE, .defval = 0, .defstr = NULL }
+#define AVOPTION_SUB(ptr) { .name = NULL, .help = (const char*)ptr }
+#define AVOPTION_END() AVOPTION_SUB(NULL)
+
+struct AVOption;
+#ifdef HAVE_MMX
+extern const struct AVOption avoptions_common[3 + 5];
+#else
+extern const struct AVOption avoptions_common[3];
+#endif
+extern const struct AVOption avoptions_workaround_bug[11];
+
#endif /* HAVE_AV_CONFIG_H */
/* Suppress restrict if it was not defined in config.h. */
/* windows */
-typedef unsigned short UINT16;
-typedef signed short INT16;
-typedef unsigned char UINT8;
-typedef unsigned int UINT32;
-typedef unsigned __int64 UINT64;
-typedef signed char INT8;
-typedef signed int INT32;
-typedef signed __int64 INT64;
-
-typedef UINT8 uint8_t;
-typedef INT8 int8_t;
-typedef UINT16 uint16_t;
-typedef INT16 int16_t;
-typedef UINT32 uint32_t;
-typedef INT32 int32_t;
-typedef UINT64 uint64_t;
-typedef INT64 int64_t;
+typedef unsigned short uint16_t;
+typedef signed short int16_t;
+typedef unsigned char uint8_t;
+typedef unsigned int uint32_t;
+typedef unsigned __int64 uint64_t;
+typedef signed char int8_t;
+typedef signed int int32_t;
+typedef signed __int64 int64_t;
# ifndef __MINGW32__
-# define INT64_C(c) (c ## i64)
-# define UINT64_C(c) (c ## i64)
+# define int64_t_C(c) (c ## i64)
+# define uint64_t_C(c) (c ## i64)
# define inline __inline
# else
-# define INT64_C(c) (c ## LL)
-# define UINT64_C(c) (c ## ULL)
+# define int64_t_C(c) (c ## LL)
+# define uint64_t_C(c) (c ## ULL)
# endif /* __MINGW32__ */
-# define M_PI 3.14159265358979323846
-# define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
-
# ifdef _DEBUG
# define DEBUG
# endif
# define snprintf _snprintf
+# define vsnprintf _vsnprintf
+
+/* CONFIG_WIN32 end */
+#elif defined (CONFIG_OS2)
+/* OS/2 EMX */
+
+#include <inttypes.h>
+
+#ifndef int64_t_C
+#define int64_t_C(c) (c ## LL)
+#define uint64_t_C(c) (c ## ULL)
+#endif
-#else /* CONFIG_WIN32 */
+#ifdef HAVE_AV_CONFIG_H
+
+#ifdef USE_FASTMEMCPY
+#include "fastmemcpy.h"
+#endif
+
+#include <float.h>
+
+#endif /* HAVE_AV_CONFIG_H */
+
+/* CONFIG_OS2 end */
+#else
/* unix */
-# include <inttypes.h>
+#include <inttypes.h>
-# ifndef __WINE_WINDEF16_H
-/* workaround for typedef conflict in MPlayer (wine typedefs) */
-typedef unsigned short UINT16;
-typedef signed short INT16;
-# endif
+#ifndef int64_t_C
+#define int64_t_C(c) (c ## LL)
+#define uint64_t_C(c) (c ## ULL)
+#endif
-typedef unsigned char UINT8;
-typedef unsigned int UINT32;
-typedef unsigned long long UINT64;
-typedef signed char INT8;
-typedef signed int INT32;
-typedef signed long long INT64;
-
-# ifdef HAVE_AV_CONFIG_H
-# ifndef INT64_C
-# define INT64_C(c) (c ## LL)
-# define UINT64_C(c) (c ## ULL)
-# endif
+#ifdef HAVE_AV_CONFIG_H
# ifdef USE_FASTMEMCPY
# include "fastmemcpy.h"
# endif
# endif /* HAVE_AV_CONFIG_H */
-#endif /* !CONFIG_WIN32 */
+#endif /* !CONFIG_WIN32 && !CONFIG_OS2 */
#ifdef HAVE_AV_CONFIG_H
# include "bswap.h"
# if defined(__MINGW32__) || defined(__CYGWIN__) || \
- defined(__OS2__) || defined (__OpenBSD__)
+ defined(__OS2__) || (defined (__OpenBSD__) && !defined(__ELF__))
# define MANGLE(a) "_" #a
# else
# define MANGLE(a) #a
#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
+extern const uint32_t inverse[256];
+
+#ifdef ARCH_X86
+# define FASTDIV(a,b) \
+ ({\
+ int ret,dmy;\
+ asm volatile(\
+ "mull %3"\
+ :"=d"(ret),"=a"(dmy)\
+ :"1"(a),"g"(inverse[b])\
+ );\
+ ret;\
+ })
+#elif defined(CONFIG_FASTDIV)
+# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*inverse[b])>>32))
+#else
+# define FASTDIV(a,b) ((a)/(b))
+#endif
+
#ifdef ARCH_X86
// avoid +32 for shift optimization (gcc should do that ...)
static inline int32_t NEG_SSR32( int32_t a, int8_t s){
struct PutBitContext;
-typedef void (*WriteDataFunc)(void *, UINT8 *, int);
+typedef void (*WriteDataFunc)(void *, uint8_t *, int);
typedef struct PutBitContext {
#ifdef ALT_BITSTREAM_WRITER
- UINT8 *buf, *buf_end;
+ uint8_t *buf, *buf_end;
int index;
#else
- UINT32 bit_buf;
+ uint32_t bit_buf;
int bit_left;
- UINT8 *buf, *buf_ptr, *buf_end;
+ uint8_t *buf, *buf_ptr, *buf_end;
#endif
- INT64 data_out_size; /* in bytes */
+ int64_t data_out_size; /* in bytes */
} PutBitContext;
void init_put_bits(PutBitContext *s,
- UINT8 *buffer, int buffer_size,
+ uint8_t *buffer, int buffer_size,
void *opaque,
- void (*write_data)(void *, UINT8 *, int));
+ void (*write_data)(void *, uint8_t *, int));
-INT64 get_bit_count(PutBitContext *s); /* XXX: change function name */
+int64_t get_bit_count(PutBitContext *s); /* XXX: change function name */
void align_put_bits(PutBitContext *s);
void flush_put_bits(PutBitContext *s);
void put_string(PutBitContext * pbc, char *s);
/* bit input */
typedef struct GetBitContext {
- UINT8 *buffer, *buffer_end;
+ const uint8_t *buffer, *buffer_end;
#ifdef ALT_BITSTREAM_READER
int index;
#elif defined LIBMPEG2_BITSTREAM_READER
- UINT8 *buffer_ptr;
- UINT32 cache;
+ uint8_t *buffer_ptr;
+ uint32_t cache;
int bit_count;
#elif defined A32_BITSTREAM_READER
- UINT32 *buffer_ptr;
- UINT32 cache0;
- UINT32 cache1;
+ uint32_t *buffer_ptr;
+ uint32_t cache0;
+ uint32_t cache1;
int bit_count;
#endif
- int size;
+ int size_in_bits;
} GetBitContext;
static inline int get_bits_count(GetBitContext *s);
-#define VLC_TYPE INT16
+#define VLC_TYPE int16_t
typedef struct VLC {
int bits;
- VLC_TYPE (*table)[2]; // code, bits
+ VLC_TYPE (*table)[2]; ///< code, bits
int table_size, table_allocated;
} VLC;
uint8_t run;
} RL_VLC_ELEM;
+#ifdef ARCH_SPARC64
+#define UNALIGNED_STORES_ARE_BAD
+#endif
+
/* used to avoid missaligned exceptions on some archs (alpha, ...) */
#ifdef ARCH_X86
-# define unaligned32(a) (*(UINT32*)(a))
+# define unaligned32(a) (*(uint32_t*)(a))
#else
# ifdef __GNUC__
static inline uint32_t unaligned32(const void *v) {
} else {
bit_buf<<=bit_left;
bit_buf |= value >> (n - bit_left);
- *(UINT32 *)s->buf_ptr = be2me_32(bit_buf);
+#ifdef UNALIGNED_STORES_ARE_BAD
+ if (3 & (int) s->buf_ptr) {
+ s->buf_ptr[0] = bit_buf >> 24;
+ s->buf_ptr[1] = bit_buf >> 16;
+ s->buf_ptr[2] = bit_buf >> 8;
+ s->buf_ptr[3] = bit_buf ;
+ } else
+#endif
+ *(uint32_t *)s->buf_ptr = be2me_32(bit_buf);
//printf("bitbuf = %08x\n", bit_buf);
s->buf_ptr+=4;
bit_left+=32 - n;
for examples see get_bits, show_bits, skip_bits, get_vlc
*/
+static inline int unaligned32_be(const void *v)
+{
+#ifdef CONFIG_ALIGN
+ const uint8_t *p=v;
+ return (((p[0]<<8) | p[1])<<16) | (p[2]<<8) | (p[3]);
+#else
+ return be2me_32( unaligned32(v)); //original
+#endif
+}
+
#ifdef ALT_BITSTREAM_READER
# define MIN_CACHE_BITS 25
(gb)->index= name##_index;\
# define UPDATE_CACHE(name, gb)\
- name##_cache= be2me_32( unaligned32( ((uint8_t *)(gb)->buffer)+(name##_index>>3) ) ) << (name##_index&0x07);\
+ name##_cache= unaligned32_be( ((uint8_t *)(gb)->buffer)+(name##_index>>3) ) << (name##_index&0x07);\
# define SKIP_CACHE(name, gb, num)\
name##_cache <<= (num);\
#elif defined LIBMPEG2_BITSTREAM_READER
//libmpeg2 like reader
-# define MIN_CACHE_BITS 16
+# define MIN_CACHE_BITS 17
# define OPEN_READER(name, gb)\
int name##_bit_count=(gb)->bit_count;\
(gb)->cache= name##_cache;\
(gb)->buffer_ptr= name##_buffer_ptr;\
+#ifdef LIBMPEG2_BITSTREAM_READER_HACK
+
# define UPDATE_CACHE(name, gb)\
- if(name##_bit_count > 0){\
+ if(name##_bit_count >= 0){\
+ name##_cache+= (int)be2me_16(*(uint16_t*)name##_buffer_ptr) << name##_bit_count;\
+ ((uint16_t*)name##_buffer_ptr)++;\
+ name##_bit_count-= 16;\
+ }\
+
+#else
+
+# define UPDATE_CACHE(name, gb)\
+ if(name##_bit_count >= 0){\
name##_cache+= ((name##_buffer_ptr[0]<<8) + name##_buffer_ptr[1]) << name##_bit_count;\
name##_buffer_ptr+=2;\
name##_bit_count-= 16;\
}\
+#endif
+
# define SKIP_CACHE(name, gb, num)\
name##_cache <<= (num);\
#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 tmp;
+ register int32_t cache;
+ OPEN_READER(re, s)
+ UPDATE_CACHE(re, s)
+ cache = GET_CACHE(re,s);
+ if ((int32_t)cache<0) { //MSB=1
+ tmp = NEG_USR32(cache,n);
+ } else {
+ // tmp = (-1<<n) | NEG_USR32(cache,n) + 1; mpeg12.c algo
+ // tmp = - (NEG_USR32(cache,n) ^ ((1 << n) - 1)); h263.c algo
+ tmp = - NEG_USR32(~cache,n);
+ }
+ LAST_SKIP_BITS(re, s, n)
+ CLOSE_READER(re, s)
+ return tmp;
+}
+
+static inline int get_sbits(GetBitContext *s, int n){
+ register int tmp;
+ OPEN_READER(re, s)
+ UPDATE_CACHE(re, s)
+ tmp= SHOW_SBITS(re, s, n);
+ LAST_SKIP_BITS(re, s, n)
+ CLOSE_READER(re, s)
+ return tmp;
+}
+
+/**
+ * reads 0-17 bits.
+ * Note, the alt bitstream reader can read upto 25 bits, but the libmpeg2 reader cant
+ */
static inline unsigned int get_bits(GetBitContext *s, int n){
register int tmp;
OPEN_READER(re, s)
return tmp;
}
+unsigned int get_bits_long(GetBitContext *s, int n);
+
+/**
+ * shows 0-17 bits.
+ * Note, the alt bitstream reader can read upto 25 bits, but the libmpeg2 reader cant
+ */
static inline unsigned int show_bits(GetBitContext *s, int n){
register int tmp;
OPEN_READER(re, s)
return tmp;
}
+unsigned int show_bits_long(GetBitContext *s, int n);
+
static inline void skip_bits(GetBitContext *s, int n){
//Note gcc seems to optimize this to s->index+=n for the ALT_READER :))
OPEN_READER(re, s)
}
void init_get_bits(GetBitContext *s,
- UINT8 *buffer, int buffer_size);
+ const uint8_t *buffer, int buffer_size);
int check_marker(GetBitContext *s, const char *msg);
void align_get_bits(GetBitContext *s);
const void *codes, int codes_wrap, int codes_size);
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
+ */
#define GET_VLC(code, name, gb, table, bits, max_depth)\
{\
int n, index, nb_bits;\
return code;
}
+/**
+ * parses a vlc code, faster then get_vlc()
+ * @param bits is the number of bits which will be read at once, must be
+ * identical to nb_bits in init_vlc()
+ * @param max_depth is the number of times bits bits must be readed to completly
+ * read the longest vlc code
+ * = (max_vlc_length + bits - 1) / bits
+ */
static always_inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],
int bits, int max_depth)
{
return code;
}
+//#define TRACE
+
+#ifdef TRACE
+
+static inline void print_bin(int bits, int n){
+ int i;
+
+ for(i=n-1; i>=0; i--){
+ printf("%d", (bits>>i)&1);
+ }
+ for(i=n; i<24; i++)
+ printf(" ");
+}
+
+static inline int get_bits_trace(GetBitContext *s, int n, char *file, char *func, int line){
+ int r= get_bits(s, n);
+
+ print_bin(r, n);
+ printf("%5d %2d %3d bit @%5d in %s %s:%d\n", r, n, r, get_bits_count(s)-n, file, func, line);
+ return r;
+}
+static inline int get_vlc_trace(GetBitContext *s, VLC_TYPE (*table)[2], int bits, int max_depth, char *file, char *func, int line){
+ int show= show_bits(s, 24);
+ int pos= get_bits_count(s);
+ int r= get_vlc2(s, table, bits, max_depth);
+ int len= get_bits_count(s) - pos;
+ int bits2= show>>(24-len);
+
+ print_bin(bits2, len);
+
+ printf("%5d %2d %3d vlc @%5d in %s %s:%d\n", bits2, len, r, pos, file, func, line);
+ return r;
+}
+static inline int get_xbits_trace(GetBitContext *s, int n, char *file, char *func, int line){
+ int show= show_bits(s, n);
+ int r= get_xbits(s, n);
+
+ print_bin(show, n);
+ printf("%5d %2d %3d xbt @%5d in %s %s:%d\n", show, n, r, get_bits_count(s)-n, file, func, line);
+ return r;
+}
+
+#define get_bits(s, n) get_bits_trace(s, n, __FILE__, __PRETTY_FUNCTION__, __LINE__)
+#define get_bits1(s) get_bits_trace(s, 1, __FILE__, __PRETTY_FUNCTION__, __LINE__)
+#define get_xbits(s, n) get_xbits_trace(s, n, __FILE__, __PRETTY_FUNCTION__, __LINE__)
+#define get_vlc(s, vlc) get_vlc_trace(s, (vlc)->table, (vlc)->bits, 3, __FILE__, __PRETTY_FUNCTION__, __LINE__)
+#define get_vlc2(s, tab, bits, max) get_vlc_trace(s, tab, bits, max, __FILE__, __PRETTY_FUNCTION__, __LINE__)
+
+#define tprintf printf
+
+#else //TRACE
+#define tprintf(_arg...) {}
+#endif
/* define it to include statistics code (useful only for optimizing
codec efficiency */
#endif
/* misc math functions */
+extern const uint8_t ff_log2_tab[256];
static inline int av_log2(unsigned int v)
{
v >>= 8;
n += 8;
}
- if (v & 0xf0) {
- v >>= 4;
- n += 4;
- }
- if (v & 0xc) {
- v >>= 2;
- n += 2;
- }
- if (v & 0x2) {
- n++;
+ n += ff_log2_tab[v];
+
+ return n;
+}
+
+static inline int av_log2_16bit(unsigned int v)
+{
+ int n;
+
+ n = 0;
+ if (v & 0xff00) {
+ v >>= 8;
+ n += 8;
}
+ n += ff_log2_tab[v];
+
return n;
}
+
/* median of 3 */
static inline int mid_pred(int a, int b, int c)
{
}
/* math */
-extern const UINT8 ff_sqrt_tab[128];
+extern const uint8_t ff_sqrt_tab[128];
-int ff_gcd(int a, int b);
+int64_t ff_gcd(int64_t a, int64_t b);
static inline int ff_sqrt(int a)
{
*/
static inline int ff_get_fourcc(const char *s){
assert( strlen(s)==4 );
-
+
return (s[0]) + (s[1]<<8) + (s[2]<<16) + (s[3]<<24);
}
+#define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24))
+#define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24))
+
+
void ff_float2fraction(int *nom_arg, int *denom_arg, double f, int max);
}
#endif
+#ifdef ARCH_X86
+static inline long long rdtsc()
+{
+ long long l;
+ asm volatile( "rdtsc\n\t"
+ : "=A" (l)
+ );
+ return l;
+}
+
+#define START_TIMER \
+static uint64_t tsum=0;\
+static int tcount=0;\
+static int tskip_count=0;\
+uint64_t tend;\
+uint64_t tstart= rdtsc();\
+
+#define STOP_TIMER(id) \
+tend= rdtsc();\
+if(tcount<2 || tend - tstart < 4*tsum/tcount){\
+ tsum+= tend - tstart;\
+ tcount++;\
+}else\
+ tskip_count++;\
+if(256*256*256*64%(tcount+tskip_count)==0){\
+ fprintf(stderr, "%Ld dezicycles in %s, %d runs, %d skips\n", tsum*10/tcount, id, tcount, tskip_count);\
+}
+#endif
+
#define CLAMP_TO_8BIT(d) ((d > 0xff) ? 0xff : (d < 0) ? 0 : d)
+/* avoid usage of various functions */
+#define malloc please_use_av_malloc
+#define free please_use_av_free
+#define realloc please_use_av_realloc
+
+#define CHECKED_ALLOCZ(p, size)\
+{\
+ p= av_mallocz(size);\
+ if(p==NULL && (size)!=0){\
+ perror("malloc");\
+ goto fail;\
+ }\
+}
+
#endif /* HAVE_AV_CONFIG_H */
#endif /* COMMON_H */
projects / ffmpeg / blobdiff