From 69db01e72f2de91d35703919bfc9d0700df83e85 Mon Sep 17 00:00:00 2001 From: Dave Chapman Date: Sat, 9 May 2009 01:04:20 +0000 Subject: Initial commit of the minimal set of ffmpeg (r18079) files required for Cook (realaudio) decoding. These are the unmodified versions from ffmpeg, committed as a base for future changes. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20882 a1c6a512-1295-4272-9138-f99709370657 --- apps/codecs/libcook/libavutil/internal.h | 328 +++++++++++++++++++++++++++++++ 1 file changed, 328 insertions(+) create mode 100644 apps/codecs/libcook/libavutil/internal.h (limited to 'apps/codecs/libcook/libavutil/internal.h') diff --git a/apps/codecs/libcook/libavutil/internal.h b/apps/codecs/libcook/libavutil/internal.h new file mode 100644 index 0000000000..4191aa8e52 --- /dev/null +++ b/apps/codecs/libcook/libavutil/internal.h @@ -0,0 +1,328 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavutil/internal.h + * common internal API header + */ + +#ifndef AVUTIL_INTERNAL_H +#define AVUTIL_INTERNAL_H + +#if !defined(DEBUG) && !defined(NDEBUG) +# define NDEBUG +#endif + +#include +#include +#include +#include +#include "config.h" +#include "common.h" +#include "mem.h" +#include "timer.h" + +#ifndef attribute_align_arg +#if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,2) +# define attribute_align_arg __attribute__((force_align_arg_pointer)) +#else +# define attribute_align_arg +#endif +#endif + +#ifndef attribute_used +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define attribute_used __attribute__((used)) +#else +# define attribute_used +#endif +#endif + +#ifndef INT16_MIN +#define INT16_MIN (-0x7fff-1) +#endif + +#ifndef INT16_MAX +#define INT16_MAX 0x7fff +#endif + +#ifndef INT32_MIN +#define INT32_MIN (-0x7fffffff-1) +#endif + +#ifndef INT32_MAX +#define INT32_MAX 0x7fffffff +#endif + +#ifndef UINT32_MAX +#define UINT32_MAX 0xffffffff +#endif + +#ifndef INT64_MIN +#define INT64_MIN (-0x7fffffffffffffffLL-1) +#endif + +#ifndef INT64_MAX +#define INT64_MAX INT64_C(9223372036854775807) +#endif + +#ifndef UINT64_MAX +#define UINT64_MAX UINT64_C(0xFFFFFFFFFFFFFFFF) +#endif + +#ifndef INT_BIT +# define INT_BIT (CHAR_BIT * sizeof(int)) +#endif + +#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC) +# define PIC +#endif + +#ifndef offsetof +# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F)) +#endif + +// Use rip-relative addressing if compiling PIC code on x86-64. +#if ARCH_X86_64 && defined(PIC) +# define LOCAL_MANGLE(a) #a "(%%rip)" +#else +# define LOCAL_MANGLE(a) #a +#endif + +#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a) + +/* debug stuff */ + +/* dprintf macros */ +#ifdef DEBUG +# define dprintf(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__) +#else +# define dprintf(pctx, ...) +#endif + +#define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0) + +/* math */ + +extern const uint32_t ff_inverse[256]; + +#if ARCH_X86 +# define FASTDIV(a,b) \ + ({\ + int ret,dmy;\ + __asm__ volatile(\ + "mull %3"\ + :"=d"(ret),"=a"(dmy)\ + :"1"(a),"g"(ff_inverse[b])\ + );\ + ret;\ + }) +#elif HAVE_ARMV6 && HAVE_INLINE_ASM +static inline av_const int FASTDIV(int a, int b) +{ + int r, t; + __asm__ volatile("cmp %3, #2 \n\t" + "ldr %1, [%4, %3, lsl #2] \n\t" + "lsrle %0, %2, #1 \n\t" + "smmulgt %0, %1, %2 \n\t" + : "=&r"(r), "=&r"(t) : "r"(a), "r"(b), "r"(ff_inverse)); + return r; +} +#elif ARCH_ARM && HAVE_INLINE_ASM +static inline av_const int FASTDIV(int a, int b) +{ + int r, t; + __asm__ volatile ("umull %1, %0, %2, %3" + : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b])); + return r; +} +#elif CONFIG_FASTDIV +# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*ff_inverse[b])>>32)) +#else +# define FASTDIV(a,b) ((a)/(b)) +#endif + +extern const uint8_t ff_sqrt_tab[256]; + +static inline av_const unsigned int ff_sqrt(unsigned int a) +{ + unsigned int b; + + if(a<255) return (ff_sqrt_tab[a+1]-1)>>4; + else if(a<(1<<12)) b= ff_sqrt_tab[a>>4 ]>>2; +#if !CONFIG_SMALL + else if(a<(1<<14)) b= ff_sqrt_tab[a>>6 ]>>1; + else if(a<(1<<16)) b= ff_sqrt_tab[a>>8 ] ; +#endif + else{ + int s= av_log2_16bit(a>>16)>>1; + unsigned int c= a>>(s+2); + b= ff_sqrt_tab[c>>(s+8)]; + b= FASTDIV(c,b) + (b<>31;\ + level= (level^mask)-mask; +#endif + +#if HAVE_CMOV +#define COPY3_IF_LT(x,y,a,b,c,d)\ +__asm__ volatile (\ + "cmpl %0, %3 \n\t"\ + "cmovl %3, %0 \n\t"\ + "cmovl %4, %1 \n\t"\ + "cmovl %5, %2 \n\t"\ + : "+&r" (x), "+&r" (a), "+r" (c)\ + : "r" (y), "r" (b), "r" (d)\ +); +#else +#define COPY3_IF_LT(x,y,a,b,c,d)\ +if((y)<(x)){\ + (x)=(y);\ + (a)=(b);\ + (c)=(d);\ +} +#endif + +/* avoid usage of dangerous/inappropriate system functions */ +#undef malloc +#define malloc please_use_av_malloc +#undef free +#define free please_use_av_free +#undef realloc +#define realloc please_use_av_realloc +#undef time +#define time time_is_forbidden_due_to_security_issues +#undef rand +#define rand rand_is_forbidden_due_to_state_trashing_use_av_random +#undef srand +#define srand srand_is_forbidden_due_to_state_trashing_use_av_random_init +#undef random +#define random random_is_forbidden_due_to_state_trashing_use_av_random +#undef sprintf +#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf +#undef strcat +#define strcat strcat_is_forbidden_due_to_security_issues_use_av_strlcat +#undef exit +#define exit exit_is_forbidden +#ifndef LIBAVFORMAT_BUILD +#undef printf +#define printf please_use_av_log_instead_of_printf +#undef fprintf +#define fprintf please_use_av_log_instead_of_fprintf +#undef puts +#define puts please_use_av_log_instead_of_puts +#undef perror +#define perror please_use_av_log_instead_of_perror +#endif + +#define CHECKED_ALLOCZ(p, size)\ +{\ + p= av_mallocz(size);\ + if(p==NULL && (size)!=0){\ + av_log(NULL, AV_LOG_ERROR, "Cannot allocate memory.");\ + goto fail;\ + }\ +} + +#if defined(__ICC) || defined(__SUNPRO_C) + #define DECLARE_ALIGNED(n,t,v) t v __attribute__ ((aligned (n))) + #define DECLARE_ASM_CONST(n,t,v) const t __attribute__ ((aligned (n))) v +#elif defined(__GNUC__) + #define DECLARE_ALIGNED(n,t,v) t v __attribute__ ((aligned (n))) + #define DECLARE_ASM_CONST(n,t,v) static const t v attribute_used __attribute__ ((aligned (n))) +#elif defined(_MSC_VER) + #define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v + #define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v +#elif HAVE_INLINE_ASM + #error The asm code needs alignment, but we do not know how to do it for this compiler. +#else + #define DECLARE_ALIGNED(n,t,v) t v + #define DECLARE_ASM_CONST(n,t,v) static const t v +#endif + + +#if !HAVE_LLRINT +static av_always_inline av_const long long llrint(double x) +{ + return rint(x); +} +#endif /* HAVE_LLRINT */ + +#if !HAVE_LRINT +static av_always_inline av_const long int lrint(double x) +{ + return rint(x); +} +#endif /* HAVE_LRINT */ + +#if !HAVE_LRINTF +static av_always_inline av_const long int lrintf(float x) +{ + return (int)(rint(x)); +} +#endif /* HAVE_LRINTF */ + +#if !HAVE_ROUND +static av_always_inline av_const double round(double x) +{ + return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5); +} +#endif /* HAVE_ROUND */ + +#if !HAVE_ROUNDF +static av_always_inline av_const float roundf(float x) +{ + return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5); +} +#endif /* HAVE_ROUNDF */ + +#if !HAVE_TRUNCF +static av_always_inline av_const float truncf(float x) +{ + return (x > 0) ? floor(x) : ceil(x); +} +#endif /* HAVE_TRUNCF */ + +/** + * Returns NULL if CONFIG_SMALL is true, otherwise the argument + * without modification. Used to disable the definition of strings + * (for example AVCodec long_names). + */ +#if CONFIG_SMALL +# define NULL_IF_CONFIG_SMALL(x) NULL +#else +# define NULL_IF_CONFIG_SMALL(x) x +#endif + +#endif /* AVUTIL_INTERNAL_H */ -- cgit v1.2.3