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Diffstat (limited to 'apps/codecs/libwmapro/libavutil/internal.h')
| -rw-r--r-- | apps/codecs/libwmapro/libavutil/internal.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/apps/codecs/libwmapro/libavutil/internal.h b/apps/codecs/libwmapro/libavutil/internal.h new file mode 100644 index 0000000..b47db3d --- /dev/null +++ b/apps/codecs/libwmapro/libavutil/internal.h @@ -0,0 +1,207 @@ +/* + * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> + * + * 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 <limits.h> +#include <stdint.h> +#include <stddef.h> +#include <assert.h> +#include "config.h" +#include "attributes.h" +#include "timer.h" + +#ifndef attribute_align_arg +#if (!defined(__ICC) || __ICC > 1110) && 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 av_alias +#if HAVE_ATTRIBUTE_MAY_ALIAS && (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(3,3) +# define av_alias __attribute__((may_alias)) +#else +# define av_alias +#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 + +#ifndef offsetof +# define offsetof(T, F) ((unsigned int)((char *)&((T *)0)->F)) +#endif + +/* Use to export labels from asm. */ +#define LABEL_MANGLE(a) EXTERN_PREFIX #a + +// 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 */ + +#if ARCH_X86 +#define MASK_ABS(mask, level)\ + __asm__ volatile(\ + "cltd \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 + +/* 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_lfg_get +#undef srand +#define srand srand_is_forbidden_due_to_state_trashing_use_av_lfg_init +#undef random +#define random random_is_forbidden_due_to_state_trashing_use_av_lfg_get +#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 FF_ALLOC_OR_GOTO(ctx, p, size, label)\ +{\ + p = av_malloc(size);\ + if (p == NULL && (size) != 0) {\ + av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ + goto label;\ + }\ +} + +#define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\ +{\ + p = av_mallocz(size);\ + if (p == NULL && (size) != 0) {\ + av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ + goto label;\ + }\ +} + +#include "libm.h" + +/** + * 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 */ |