X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcommon.h;h=5a47c4a3c84b4e4c985bb72e4c85f6ec2291823f;hb=160d679c075e9f575f96ea2c2c000545a49916a0;hp=09643e1742ab92f539de8d596bee07608d7200fc;hpb=3ebc7e04dea6072400d91c1c90eb3911754cee06;p=ffmpeg diff --git a/libavcodec/common.h b/libavcodec/common.h index 09643e1742a..5a47c4a3c84 100644 --- a/libavcodec/common.h +++ b/libavcodec/common.h @@ -10,14 +10,6 @@ # define CONFIG_WIN32 #endif -//#define ALT_BITSTREAM_WRITER -//#define ALIGNED_BITSTREAM_WRITER - -#define ALT_BITSTREAM_READER -//#define LIBMPEG2_BITSTREAM_READER -//#define A32_BITSTREAM_READER -#define LIBMPEG2_BITSTREAM_READER_HACK //add BERO - #ifndef M_PI #define M_PI 3.14159265358979323846 #endif @@ -30,6 +22,7 @@ # include # include # include +# include # ifndef __BEOS__ # include # else @@ -61,14 +54,6 @@ #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. */ @@ -76,17 +61,29 @@ extern const struct AVOption avoptions_workaround_bug[11]; # define restrict #endif +#ifndef always_inline #if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0) # define always_inline __attribute__((always_inline)) inline #else # define always_inline inline #endif +#endif +#ifndef attribute_used #if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0) # define attribute_used __attribute__((used)) #else # define attribute_used #endif +#endif + +#ifndef attribute_unused +#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0) +# define attribute_unused __attribute__((unused)) +#else +# define attribute_unused +#endif +#endif #ifndef EMULATE_INTTYPES # include @@ -107,10 +104,26 @@ extern const struct AVOption avoptions_workaround_bug[11]; # endif /* other OS */ #endif /* HAVE_INTTYPES_H */ +#ifndef INT16_MIN +#define INT16_MIN (-0x7fff-1) +#endif + +#ifndef INT16_MAX +#define INT16_MAX 0x7fff +#endif + +#ifndef INT64_MIN +#define INT64_MIN (-0x7fffffffffffffffLL-1) +#endif + #ifndef INT64_MAX #define INT64_MAX int64_t_C(9223372036854775807) #endif +#ifndef UINT64_MAX +#define UINT64_MAX uint64_t_C(0xFFFFFFFFFFFFFFFF) +#endif + #ifdef EMULATE_FAST_INT /* note that we don't emulate 64bit ints */ typedef signed char int_fast8_t; @@ -121,6 +134,14 @@ typedef unsigned int uint_fast16_t; typedef unsigned int uint_fast32_t; #endif +#ifndef INT_BIT +# if INT_MAX != 2147483647 +# define INT_BIT 64 +# else +# define INT_BIT 32 +# endif +#endif + #if defined(CONFIG_OS2) || defined(CONFIG_SUNOS) static inline float floorf(float f) { return floor(f); @@ -131,7 +152,7 @@ static inline float floorf(float f) { /* windows */ -# ifndef __MINGW32__ +# if !defined(__MINGW32__) && !defined(__CYGWIN__) # define int64_t_C(c) (c ## i64) # define uint64_t_C(c) (c ## i64) @@ -195,11 +216,20 @@ static inline float floorf(float f) { # include "bswap.h" +// Use rip-relative addressing if compiling PIC code on x86-64. # if defined(__MINGW32__) || defined(__CYGWIN__) || \ defined(__OS2__) || (defined (__OpenBSD__) && !defined(__ELF__)) -# define MANGLE(a) "_" #a +# if defined(ARCH_X86_64) && defined(PIC) +# define MANGLE(a) "_" #a"(%%rip)" +# else +# define MANGLE(a) "_" #a +# endif # else -# define MANGLE(a) #a +# if defined(ARCH_X86_64) && defined(PIC) +# define MANGLE(a) #a"(%%rip)" +# else +# define MANGLE(a) #a +# endif # endif /* debug stuff */ @@ -210,14 +240,14 @@ static inline float floorf(float f) { # include /* dprintf macros */ -# if defined(CONFIG_WIN32) && !defined(__MINGW32__) +# if defined(CONFIG_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) inline void dprintf(const char* fmt,...) {} # else # ifdef DEBUG -# define dprintf(fmt,...) printf(fmt, __VA_ARGS__) +# define dprintf(fmt,...) av_log(NULL, AV_LOG_DEBUG, fmt, __VA_ARGS__) # else # define dprintf(fmt,...) # endif @@ -227,7 +257,7 @@ inline void dprintf(const char* fmt,...) {} # define av_abort() do { av_log(NULL, AV_LOG_ERROR, "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)) +#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))) @@ -237,7 +267,7 @@ inline void dprintf(const char* fmt,...) {} extern const uint32_t inverse[256]; -#ifdef ARCH_X86 +#if defined(ARCH_X86) || defined(ARCH_X86_64) # define FASTDIV(a,b) \ ({\ int ret,dmy;\ @@ -254,819 +284,6 @@ extern const uint32_t inverse[256]; # 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){ - 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 output */ - -struct PutBitContext; - -typedef void (*WriteDataFunc)(void *, uint8_t *, int); - -/* buf and buf_end must be present and used by every alternative writer. */ -typedef struct PutBitContext { -#ifdef ALT_BITSTREAM_WRITER - uint8_t *buf, *buf_end; - int index; -#else - uint32_t bit_buf; - int bit_left; - uint8_t *buf, *buf_ptr, *buf_end; -#endif -} PutBitContext; - -static inline void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size) -{ - s->buf = buffer; - s->buf_end = s->buf + buffer_size; -#ifdef ALT_BITSTREAM_WRITER - s->index=0; - ((uint32_t*)(s->buf))[0]=0; -// memset(buffer, 0, buffer_size); -#else - s->buf_ptr = s->buf; - s->bit_left=32; - s->bit_buf=0; -#endif -} - -/* return the number of bits output */ -static inline int put_bits_count(PutBitContext *s) -{ -#ifdef ALT_BITSTREAM_WRITER - return s->index; -#else - return (s->buf_ptr - s->buf) * 8 + 32 - s->bit_left; -#endif -} - -/* pad the end of the output stream with zeros */ -static inline void flush_put_bits(PutBitContext *s) -{ -#ifdef ALT_BITSTREAM_WRITER - align_put_bits(s); -#else - s->bit_buf<<= s->bit_left; - while (s->bit_left < 32) { - /* XXX: should test end of buffer */ - *s->buf_ptr++=s->bit_buf >> 24; - s->bit_buf<<=8; - s->bit_left+=8; - } - s->bit_left=32; - s->bit_buf=0; -#endif -} - -void align_put_bits(PutBitContext *s); -void put_string(PutBitContext * pbc, char *s, int put_zero); - -/* bit input */ -/* buffer, buffer_end and size_in_bits must be present and used by every reader */ -typedef struct GetBitContext { - const uint8_t *buffer, *buffer_end; -#ifdef ALT_BITSTREAM_READER - int index; -#elif defined LIBMPEG2_BITSTREAM_READER - uint8_t *buffer_ptr; - uint32_t cache; - int bit_count; -#elif defined A32_BITSTREAM_READER - uint32_t *buffer_ptr; - uint32_t cache0; - uint32_t cache1; - int bit_count; -#endif - int size_in_bits; -} GetBitContext; - -#define VLC_TYPE int16_t - -typedef struct VLC { - int bits; - VLC_TYPE (*table)[2]; ///< code, bits - int table_size, table_allocated; -} VLC; - -typedef struct RL_VLC_ELEM { - int16_t level; - int8_t len; - 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_t*)(a)) -#else -# ifdef __GNUC__ -static inline uint32_t unaligned32(const void *v) { - struct Unaligned { - uint32_t i; - } __attribute__((packed)); - - return ((const struct Unaligned *) v)->i; -} -# elif defined(__DECC) -static inline uint32_t unaligned32(const void *v) { - return *(const __unaligned uint32_t *) v; -} -# else -static inline uint32_t unaligned32(const void *v) { - return *(const uint32_t *) v; -} -# endif -#endif //!ARCH_X86 - -#ifndef ALT_BITSTREAM_WRITER -static inline void put_bits(PutBitContext *s, int n, unsigned int value) -{ - unsigned int bit_buf; - int bit_left; - -#ifdef STATS - st_out_bit_counts[st_current_index] += n; -#endif - // 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); - /* XXX: optimize */ - if (n < bit_left) { - bit_buf = (bit_buf<> (n - bit_left); -#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; - bit_buf = value; - } - - s->bit_buf = bit_buf; - s->bit_left = bit_left; -} -#endif - - -#ifdef ALT_BITSTREAM_WRITER -static inline void put_bits(PutBitContext *s, int n, unsigned int value) -{ -# ifdef ALIGNED_BITSTREAM_WRITER -# ifdef ARCH_X86 - asm volatile( - "movl %0, %%ecx \n\t" - "xorl %%eax, %%eax \n\t" - "shrdl %%cl, %1, %%eax \n\t" - "shrl %%cl, %1 \n\t" - "movl %0, %%ecx \n\t" - "shrl $3, %%ecx \n\t" - "andl $0xFFFFFFFC, %%ecx \n\t" - "bswapl %1 \n\t" - "orl %1, (%2, %%ecx) \n\t" - "bswapl %%eax \n\t" - "addl %3, %0 \n\t" - "movl %%eax, 4(%2, %%ecx) \n\t" - : "=&r" (s->index), "=&r" (value) - : "r" (s->buf), "r" (n), "0" (s->index), "1" (value<<(-n)) - : "%eax", "%ecx" - ); -# else - int index= s->index; - uint32_t *ptr= ((uint32_t *)s->buf)+(index>>5); - - 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); - index+= n; - s->index= index; -# endif -# else //ALIGNED_BITSTREAM_WRITER -# ifdef ARCH_X86 - asm volatile( - "movl $7, %%ecx \n\t" - "andl %0, %%ecx \n\t" - "addl %3, %%ecx \n\t" - "negl %%ecx \n\t" - "shll %%cl, %1 \n\t" - "bswapl %1 \n\t" - "movl %0, %%ecx \n\t" - "shrl $3, %%ecx \n\t" - "orl %1, (%%ecx, %2) \n\t" - "addl %3, %0 \n\t" - "movl $0, 4(%%ecx, %2) \n\t" - : "=&r" (s->index), "=&r" (value) - : "r" (s->buf), "r" (n), "0" (s->index), "1" (value) - : "%ecx" - ); -# 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); - index+= n; - s->index= index; -# endif -# endif //!ALIGNED_BITSTREAM_WRITER -} -#endif - - -static inline uint8_t* pbBufPtr(PutBitContext *s) -{ -#ifdef ALT_BITSTREAM_WRITER - return s->buf + (s->index>>3); -#else - return s->buf_ptr; -#endif -} - -/** - * - * PutBitContext must be flushed & aligned to a byte boundary before calling this. - */ -static inline void skip_put_bytes(PutBitContext *s, int n){ - assert((put_bits_count(s)&7)==0); -#ifdef ALT_BITSTREAM_WRITER - FIXME may need some cleaning of the buffer - s->index += n<<3; -#else - assert(s->bit_left==32); - s->buf_ptr += n; -#endif -} - -/** - * Changes the end of the buffer. - */ -static inline void set_put_bits_buffer_size(PutBitContext *s, int size){ - s->buf_end= s->buf + size; -} - -/* Bitstream reader API docs: -name - abritary name which is used as prefix for the internal variables - -gb - getbitcontext - -OPEN_READER(name, gb) - loads gb into local variables - -CLOSE_READER(name, gb) - stores local vars in gb - -UPDATE_CACHE(name, gb) - refills the internal cache from the bitstream - after this call at least MIN_CACHE_BITS will be available, - -GET_CACHE(name, gb) - will output the contents of the internal cache, next bit is MSB of 32 or 64 bit (FIXME 64bit) - -SHOW_UBITS(name, gb, num) - will return the nest num bits - -SHOW_SBITS(name, gb, num) - will return the nest num bits and do sign extension - -SKIP_BITS(name, gb, num) - will skip over the next num bits - note, this is equinvalent to SKIP_CACHE; SKIP_COUNTER - -SKIP_CACHE(name, gb, num) - will remove the next num bits from the cache (note SKIP_COUNTER MUST be called before UPDATE_CACHE / CLOSE_READER) - -SKIP_COUNTER(name, gb, num) - will increment the internal bit counter (see SKIP_CACHE & SKIP_BITS) - -LAST_SKIP_CACHE(name, gb, num) - will remove the next num bits from the cache if it is needed for UPDATE_CACHE otherwise it will do nothing - -LAST_SKIP_BITS(name, gb, num) - is equinvalent to SKIP_LAST_CACHE; SKIP_COUNTER - -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 - -# define OPEN_READER(name, gb)\ - int name##_index= (gb)->index;\ - int name##_cache= 0;\ - -# define CLOSE_READER(name, gb)\ - (gb)->index= name##_index;\ - -# define UPDATE_CACHE(name, gb)\ - name##_cache= unaligned32_be( ((uint8_t *)(gb)->buffer)+(name##_index>>3) ) << (name##_index&0x07);\ - -# define SKIP_CACHE(name, gb, num)\ - name##_cache <<= (num);\ - -// FIXME name? -# define SKIP_COUNTER(name, gb, num)\ - name##_index += (num);\ - -# define SKIP_BITS(name, gb, num)\ - {\ - SKIP_CACHE(name, gb, num)\ - SKIP_COUNTER(name, gb, num)\ - }\ - -# define LAST_SKIP_BITS(name, gb, num) SKIP_COUNTER(name, gb, num) -# define LAST_SKIP_CACHE(name, gb, num) ; - -# define SHOW_UBITS(name, gb, num)\ - NEG_USR32(name##_cache, num) - -# define SHOW_SBITS(name, gb, num)\ - NEG_SSR32(name##_cache, num) - -# define GET_CACHE(name, gb)\ - ((uint32_t)name##_cache) - -static inline int get_bits_count(GetBitContext *s){ - return s->index; -} -#elif defined LIBMPEG2_BITSTREAM_READER -//libmpeg2 like reader - -# define MIN_CACHE_BITS 17 - -# define OPEN_READER(name, gb)\ - int name##_bit_count=(gb)->bit_count;\ - int name##_cache= (gb)->cache;\ - uint8_t * name##_buffer_ptr=(gb)->buffer_ptr;\ - -# define CLOSE_READER(name, gb)\ - (gb)->bit_count= name##_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){\ - 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);\ - -# define SKIP_COUNTER(name, gb, num)\ - name##_bit_count += (num);\ - -# define SKIP_BITS(name, gb, num)\ - {\ - SKIP_CACHE(name, gb, num)\ - SKIP_COUNTER(name, gb, num)\ - }\ - -# define LAST_SKIP_BITS(name, gb, num) SKIP_BITS(name, gb, num) -# define LAST_SKIP_CACHE(name, gb, num) SKIP_CACHE(name, gb, num) - -# define SHOW_UBITS(name, gb, num)\ - NEG_USR32(name##_cache, num) - -# define SHOW_SBITS(name, gb, num)\ - NEG_SSR32(name##_cache, num) - -# define GET_CACHE(name, gb)\ - ((uint32_t)name##_cache) - -static inline int get_bits_count(GetBitContext *s){ - return (s->buffer_ptr - s->buffer)*8 - 16 + s->bit_count; -} - -#elif defined A32_BITSTREAM_READER - -# define MIN_CACHE_BITS 32 - -# define OPEN_READER(name, gb)\ - int name##_bit_count=(gb)->bit_count;\ - uint32_t name##_cache0= (gb)->cache0;\ - uint32_t name##_cache1= (gb)->cache1;\ - uint32_t * name##_buffer_ptr=(gb)->buffer_ptr;\ - -# define CLOSE_READER(name, gb)\ - (gb)->bit_count= name##_bit_count;\ - (gb)->cache0= name##_cache0;\ - (gb)->cache1= name##_cache1;\ - (gb)->buffer_ptr= name##_buffer_ptr;\ - -# define UPDATE_CACHE(name, gb)\ - if(name##_bit_count > 0){\ - const uint32_t next= be2me_32( *name##_buffer_ptr );\ - name##_cache0 |= NEG_USR32(next,name##_bit_count);\ - name##_cache1 |= next<buffer_ptr - s->buffer)*8 - 32 + s->bit_count; -} - -#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<index+=n for the ALT_READER :)) - OPEN_READER(re, s) - UPDATE_CACHE(re, s) - LAST_SKIP_BITS(re, s, n) - CLOSE_READER(re, s) -} - -static inline unsigned int get_bits1(GetBitContext *s){ -#ifdef ALT_BITSTREAM_READER - int index= s->index; - uint8_t result= s->buffer[ index>>3 ]; - result<<= (index&0x07); - result>>= 8 - 1; - index++; - s->index= index; - - return result; -#else - return get_bits(s, 1); -#endif -} - -static inline unsigned int show_bits1(GetBitContext *s){ - return show_bits(s, 1); -} - -static inline void skip_bits1(GetBitContext *s){ - skip_bits(s, 1); -} - -/** - * init GetBitContext. - * @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes larger then the actual read bits - * because some optimized bitstream readers read 32 or 64 bit at once and could read over the end - * @param bit_size the size of the buffer in bits - */ -static inline void init_get_bits(GetBitContext *s, - const uint8_t *buffer, int bit_size) -{ - const int buffer_size= (bit_size+7)>>3; - - s->buffer= buffer; - s->size_in_bits= bit_size; - s->buffer_end= buffer + buffer_size; -#ifdef ALT_BITSTREAM_READER - s->index=0; -#elif defined LIBMPEG2_BITSTREAM_READER -#ifdef LIBMPEG2_BITSTREAM_READER_HACK - if ((int)buffer&1) { - /* word alignment */ - s->cache = (*buffer++)<<24; - s->buffer_ptr = buffer; - s->bit_count = 16-8; - } else -#endif - { - s->buffer_ptr = buffer; - s->bit_count = 16; - s->cache = 0; - } -#elif defined A32_BITSTREAM_READER - s->buffer_ptr = (uint32_t*)buffer; - s->bit_count = 32; - s->cache0 = 0; - s->cache1 = 0; -#endif - { - OPEN_READER(re, s) - UPDATE_CACHE(re, s) - UPDATE_CACHE(re, s) - CLOSE_READER(re, s) - } -#ifdef A32_BITSTREAM_READER - s->cache1 = 0; -#endif -} - -int check_marker(GetBitContext *s, const char *msg); -void align_get_bits(GetBitContext *s); -int init_vlc(VLC *vlc, int nb_bits, int nb_codes, - const void *bits, int bits_wrap, int bits_size, - 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;\ -\ - index= SHOW_UBITS(name, gb, bits);\ - code = table[index][0];\ - n = table[index][1];\ -\ - if(max_depth > 1 && n < 0){\ - LAST_SKIP_BITS(name, gb, bits)\ - UPDATE_CACHE(name, gb)\ -\ - nb_bits = -n;\ -\ - index= SHOW_UBITS(name, gb, nb_bits) + code;\ - code = table[index][0];\ - n = table[index][1];\ - if(max_depth > 2 && n < 0){\ - LAST_SKIP_BITS(name, gb, nb_bits)\ - UPDATE_CACHE(name, gb)\ -\ - nb_bits = -n;\ -\ - index= SHOW_UBITS(name, gb, nb_bits) + code;\ - code = table[index][0];\ - n = table[index][1];\ - }\ - }\ - SKIP_BITS(name, gb, n)\ -} - -#define GET_RL_VLC(level, run, name, gb, table, bits, max_depth)\ -{\ - int n, index, nb_bits;\ -\ - index= SHOW_UBITS(name, gb, bits);\ - level = table[index].level;\ - n = table[index].len;\ -\ - if(max_depth > 1 && n < 0){\ - LAST_SKIP_BITS(name, gb, bits)\ - UPDATE_CACHE(name, gb)\ -\ - nb_bits = -n;\ -\ - index= SHOW_UBITS(name, gb, nb_bits) + level;\ - level = table[index].level;\ - n = table[index].len;\ - }\ - run= table[index].run;\ - SKIP_BITS(name, gb, n)\ -} - -// 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) - - CLOSE_READER(re, s) - 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) -{ - int code; - - OPEN_READER(re, s) - UPDATE_CACHE(re, s) - - GET_VLC(code, re, s, table, bits, max_depth) - - CLOSE_READER(re, s) - 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(...) {} -#endif - /* define it to include statistics code (useful only for optimizing codec efficiency */ //#define STATS @@ -1205,7 +422,7 @@ static inline int ff_get_fourcc(const char *s){ #define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24)) -#ifdef ARCH_X86 +#if defined(ARCH_X86) || defined(ARCH_X86_64) #define MASK_ABS(mask, level)\ asm volatile(\ "cdq \n\t"\ @@ -1239,8 +456,18 @@ if((y)<(x)){\ } #endif -#ifdef ARCH_X86 -static inline long long rdtsc() +#if defined(ARCH_X86) || defined(ARCH_X86_64) +#if defined(ARCH_X86_64) +static inline uint64_t rdtsc(void) +{ + uint64_t a, d; + asm volatile( "rdtsc\n\t" + : "=a" (a), "=d" (d) + ); + return (d << 32) | (a & 0xffffffff); +} +#else +static inline long long rdtsc(void) { long long l; asm volatile( "rdtsc\n\t" @@ -1248,6 +475,7 @@ static inline long long rdtsc() ); return l; } +#endif #define START_TIMER \ uint64_t tend;\ @@ -1268,14 +496,20 @@ tend= rdtsc();\ av_log(NULL, AV_LOG_DEBUG, "%Ld dezicycles in %s, %d runs, %d skips\n", tsum*10/tcount, id, tcount, tskip_count);\ }\ } +#else +#define START_TIMER +#define STOP_TIMER(id) {} #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 time time_is_forbidden_due_to_security_issues +#define rand rand_is_forbidden_due_to_state_trashing +#define srand srand_is_forbidden_due_to_state_trashing +#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf +#define strcat strcat_is_forbidden_due_to_security_issues_use_pstrcat #if !(defined(LIBAVFORMAT_BUILD) || defined(_FRAMEHOOK_H)) #define printf please_use_av_log #define fprintf please_use_av_log