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GitHub Repository: hrydgard/ppsspp
 Path: blob/master/ext/at3_standalone/compat.h
Views: 1401
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#pragma once

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#include <stdlib.h>

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// Compat hacks to make an FFMPEG-like environment, so we can keep the core code mostly unchanged.

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#if defined(__clang__)

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#define DECLARE_ALIGNED(n, t, v)      t __attribute__((aligned(n))) v

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#define DECLARE_ASM_CONST(n, t, v)    static const t av_used __attribute__((aligned(n))) v

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#define av_restrict __restrict

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#elif defined(__GNUC__)

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#define DECLARE_ALIGNED(n,t,v)      t __attribute__ ((aligned (n))) v

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#define DECLARE_ASM_CONST(n,t,v)    static const t av_used __attribute__ ((aligned (n))) v

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#define av_restrict __restrict__

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#elif defined(_MSC_VER)

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#define DECLARE_ALIGNED(n,t,v)      __declspec(align(n)) t v

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#define DECLARE_ASM_CONST(n,t,v)    __declspec(align(n)) static const t v

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#define av_restrict __restrict

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#else

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#define DECLARE_ALIGNED(n,t,v)      t v

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#define DECLARE_ASM_CONST(n,t,v)    static const t v

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#define av_restrict

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#endif

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#define AV_HAVE_FAST_UNALIGNED 0

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#define AV_INPUT_BUFFER_PADDING_SIZE 32

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// TODO: This should work but doesn't??

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// #define BITSTREAM_READER_LE

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#define LOCAL_ALIGNED(bits, type, name, subscript) type name subscript

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#define av_alias

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#define av_unused

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#define av_assert0(cond)

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#define av_assert1(cond)

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#define av_assert2(cond)

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#define av_printf_format(a,b)

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#define avpriv_report_missing_feature(...)

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#define AVERROR(e) (-(e))   ///< Returns a negative error code from a POSIX error code, to return from library functions.

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#define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value.

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#define FFERRTAG(a, b, c, d) (-(int)MKTAG(a, b, c, d))

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#define AVERROR_INVALIDDATA        FFERRTAG( 'I','N','D','A') ///< Invalid data found when processing input

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#define AVERROR_PATCHWELCOME       FFERRTAG( 'P','A','W','E') ///< Not yet implemented in FFmpeg, patches welcome

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#define AV_LOG_ERROR    16

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#define AV_LOG_WARNING  24

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#define AV_LOG_INFO     32

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#define AV_LOG_VERBOSE  40

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#define AV_LOG_DEBUG    48

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#define AV_LOG_TRACE    56

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void av_log(int level, const char *fmt, ...) av_printf_format(3, 4);

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 /**

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  * Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they

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  * are not representable as absolute values of their type. This is the same

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  * as with *abs()

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  * @see FFNABS()

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  */

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#define FFABS(a) ((a) >= 0 ? (a) : (-(a)))

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#define FFMAX(a,b) ((a) > (b) ? (a) : (b))

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#define FFMIN(a,b) ((a) > (b) ? (b) : (a))

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#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)

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#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))

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#define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((unsigned)(d) << 24))

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#ifdef _MSC_VER

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#pragma warning(disable:4305)

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#pragma warning(disable:4244)

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#pragma warning(disable:4101)  // unused variable

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#endif

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#define AV_BSWAP16C(x) (((x) << 8 & 0xff00)  | ((x) >> 8 & 0x00ff))

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#define AV_BSWAP32C(x) (AV_BSWAP16C(x) << 16 | AV_BSWAP16C((x) >> 16))

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#define av_be2ne32(x) AV_BSWAP32C((x))

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