Use the bytestream reading functions form librm and drop bytestream.h and libavutil/

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22309 a1c6a512-1295-4272-9138-f99709370657

6 files changed, 26 insertions, 716 deletions

diff --git a/apps/codecs/libatrac/atrac3.c b/apps/codecs/libatrac/atrac3.c
index 26bffd4..9e61db1 100644
--- a/apps/codecs/libatrac/atrac3.c
+++ b/apps/codecs/libatrac/atrac3.c
@@ -36,7 +36,6 @@
 #include <stddef.h>
 #include <stdio.h>
 
-#include "bytestream.h"
 #include "atrac3.h"
 #include "atrac3data.h"
 #include "atrac3data_fixed.h"
@@ -48,6 +47,20 @@
 
 #define AVERROR(...) -1
 
+/* FFMAX/MIN/SWAP and av_clip were taken from libavutil/common.h */
+#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
+#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
+#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
+
+/**
+ * Clips a signed integer value into the -32768,32767 range.
+ */
+static inline int16_t av_clip_int16(int a)
+{
+    if ((a+32768) & ~65535) return (a>>31) ^ 32767;
+    else                    return a;
+}
+
 static int32_t          qmf_window[48];
 static VLC              spectral_coeff_tab[7];
 static channel_unit     channel_units[2];
@@ -169,7 +182,7 @@ static int decode_bytes(const uint8_t* inbuffer, uint8_t* out, int bytes){
 }
 
 
-static av_cold void init_atrac3_transforms(ATRAC3Context *q) {
+static void init_atrac3_transforms(ATRAC3Context *q) {
     int32_t s;
     int i;
 
@@ -830,7 +843,7 @@ int atrac3_decode_frame(RMContext *rmctx, ATRAC3Context *q,
 int atrac3_decode_init(ATRAC3Context *q, RMContext *rmctx)
 {
     int i;
-    const uint8_t *edata_ptr = rmctx->codec_extradata;
+    uint8_t *edata_ptr = rmctx->codec_extradata;
     static VLC_TYPE atrac3_vlc_table[4096][2];
     static int vlcs_initialized = 0;
 
@@ -844,12 +857,12 @@ int atrac3_decode_init(ATRAC3Context *q, RMContext *rmctx)
     /* Take care of the codec-specific extradata. */
     if (rmctx->extradata_size == 14) {
         /* Parse the extradata, WAV format */
-        DEBUGF("[0-1] %d\n",bytestream_get_le16(&edata_ptr));  //Unknown value always 1
-        q->samples_per_channel = bytestream_get_le32(&edata_ptr);
-        q->codingMode = bytestream_get_le16(&edata_ptr);
-        DEBUGF("[8-9] %d\n",bytestream_get_le16(&edata_ptr));  //Dupe of coding mode
-        q->frame_factor = bytestream_get_le16(&edata_ptr);  //Unknown always 1
-        DEBUGF("[12-13] %d\n",bytestream_get_le16(&edata_ptr));  //Unknown always 0
+        DEBUGF("[0-1] %d\n",rm_get_uint16le(&edata_ptr[0]));  //Unknown value always 1
+        q->samples_per_channel = rm_get_uint32le(&edata_ptr[2]);
+        q->codingMode = rm_get_uint16le(&edata_ptr[6]);
+        DEBUGF("[8-9] %d\n",rm_get_uint16le(&edata_ptr[8]));  //Dupe of coding mode
+        q->frame_factor = rm_get_uint16le(&edata_ptr[10]);  //Unknown always 1
+        DEBUGF("[12-13] %d\n",rm_get_uint16le(&edata_ptr[12]));  //Unknown always 0
 
         /* setup */
         q->samples_per_frame = 1024 * q->channels;
@@ -869,10 +882,10 @@ int atrac3_decode_init(ATRAC3Context *q, RMContext *rmctx)
 
     } else if (rmctx->extradata_size == 10) {
         /* Parse the extradata, RM format. */
-        q->atrac3version = bytestream_get_be32(&edata_ptr);
-        q->samples_per_frame = bytestream_get_be16(&edata_ptr);
-        q->delay = bytestream_get_be16(&edata_ptr);
-        q->codingMode = bytestream_get_be16(&edata_ptr);
+        q->atrac3version = rm_get_uint32be(&edata_ptr[0]);
+        q->samples_per_frame = rm_get_uint16be(&edata_ptr[4]);
+        q->delay = rm_get_uint16be(&edata_ptr[6]);
+        q->codingMode = rm_get_uint16be(&edata_ptr[8]);
 
         q->samples_per_channel = q->samples_per_frame / q->channels;
         q->scrambled_stream = 1;
diff --git a/apps/codecs/libatrac/bytestream.h b/apps/codecs/libatrac/bytestream.h
deleted file mode 100644
index cc4f7a6..0000000
--- a/apps/codecs/libatrac/bytestream.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Bytestream functions
- * copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
- *
- * 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
- */
-
-#ifndef AVCODEC_BYTESTREAM_H
-#define AVCODEC_BYTESTREAM_H
-
-#include <string.h>
-#include "libavutil/intreadwrite.h"
-
-#define DEF_T(type, name, bytes, read, write)                             \
-static av_always_inline type bytestream_get_ ## name(const uint8_t **b){\
-    (*b) += bytes;\
-    return read(*b - bytes);\
-}\
-static av_always_inline void bytestream_put_ ##name(uint8_t **b, const type value){\
-    write(*b, value);\
-    (*b) += bytes;\
-}
-
-#define DEF(name, bytes, read, write) \
-    DEF_T(unsigned int, name, bytes, read, write)
-#define DEF64(name, bytes, read, write) \
-    DEF_T(uint64_t, name, bytes, read, write)
-
-DEF64(le64, 8, AV_RL64, AV_WL64)
-DEF  (le32, 4, AV_RL32, AV_WL32)
-DEF  (le24, 3, AV_RL24, AV_WL24)
-DEF  (le16, 2, AV_RL16, AV_WL16)
-DEF64(be64, 8, AV_RB64, AV_WB64)
-DEF  (be32, 4, AV_RB32, AV_WB32)
-DEF  (be24, 3, AV_RB24, AV_WB24)
-DEF  (be16, 2, AV_RB16, AV_WB16)
-DEF  (byte, 1, AV_RB8 , AV_WB8 )
-
-#undef DEF
-#undef DEF64
-#undef DEF_T
-
-static av_always_inline unsigned int bytestream_get_buffer(const uint8_t **b, uint8_t *dst, unsigned int size)
-{
-    memcpy(dst, *b, size);
-    (*b) += size;
-    return size;
-}
-
-static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
-{
-    memcpy(*b, src, size);
-    (*b) += size;
-}
-
-#endif /* AVCODEC_BYTESTREAM_H */
diff --git a/apps/codecs/libatrac/libavutil/avutil.h b/apps/codecs/libatrac/libavutil/avutil.h
deleted file mode 100644
index c07e44d..0000000
--- a/apps/codecs/libatrac/libavutil/avutil.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * 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
- */
-
-#ifndef AVUTIL_AVUTIL_H
-#define AVUTIL_AVUTIL_H
-
-/**
- * @file libavutil/avutil.h
- * external API header
- */
-
-
-#define AV_STRINGIFY(s)         AV_TOSTRING(s)
-#define AV_TOSTRING(s) #s
-
-#define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
-#define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
-#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
-
-#define LIBAVUTIL_VERSION_MAJOR 50
-#define LIBAVUTIL_VERSION_MINOR  0
-#define LIBAVUTIL_VERSION_MICRO  0
-
-#define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
-                                               LIBAVUTIL_VERSION_MINOR, \
-                                               LIBAVUTIL_VERSION_MICRO)
-#define LIBAVUTIL_VERSION       AV_VERSION(LIBAVUTIL_VERSION_MAJOR,     \
-                                           LIBAVUTIL_VERSION_MINOR,     \
-                                           LIBAVUTIL_VERSION_MICRO)
-#define LIBAVUTIL_BUILD         LIBAVUTIL_VERSION_INT
-
-#define LIBAVUTIL_IDENT         "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
-
-/**
- * Returns the LIBAVUTIL_VERSION_INT constant.
- */
-unsigned avutil_version(void);
-
-#include "common.h"
-//#include "mathematics.h"
-//#include "rational.h"
-//#include "intfloat_readwrite.h"
-#include "log.h"
-//#include "pixfmt.h"
-
-#endif /* AVUTIL_AVUTIL_H */
diff --git a/apps/codecs/libatrac/libavutil/bswap.h b/apps/codecs/libatrac/libavutil/bswap.h
deleted file mode 100644
index 9175cb2..0000000
--- a/apps/codecs/libatrac/libavutil/bswap.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * 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/bswap.h
- * byte swapping routines
- */
-
-#ifndef AVUTIL_BSWAP_H
-#define AVUTIL_BSWAP_H
-
-#include <stdint.h>
-//#include "ffmpeg_config.h"
-#include "common.h"
-
-#if   ARCH_ARM
-#   include "arm/bswap.h"
-#elif ARCH_BFIN
-#   include "bfin/bswap.h"
-#elif ARCH_SH4
-#   include "sh4/bswap.h"
-#elif ARCH_X86
-#   include "x86/bswap.h"
-#endif
-
-#ifndef bswap_16
-static av_always_inline av_const uint16_t bswap_16(uint16_t x)
-{
-    x= (x>>8) | (x<<8);
-    return x;
-}
-#endif
-
-#ifndef bswap_32
-static av_always_inline av_const uint32_t bswap_32(uint32_t x)
-{
-    x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
-    x= (x>>16) | (x<<16);
-    return x;
-}
-#endif
-
-#ifndef bswap_64
-static inline uint64_t av_const bswap_64(uint64_t x)
-{
-#if 0
-    x= ((x<< 8)&0xFF00FF00FF00FF00ULL) | ((x>> 8)&0x00FF00FF00FF00FFULL);
-    x= ((x<<16)&0xFFFF0000FFFF0000ULL) | ((x>>16)&0x0000FFFF0000FFFFULL);
-    return (x>>32) | (x<<32);
-#else
-    union {
-        uint64_t ll;
-        uint32_t l[2];
-    } w, r;
-    w.ll = x;
-    r.l[0] = bswap_32 (w.l[1]);
-    r.l[1] = bswap_32 (w.l[0]);
-    return r.ll;
-#endif
-}
-#endif
-
-// be2me ... big-endian to machine-endian
-// le2me ... little-endian to machine-endian
-
-#ifdef WORDS_BIGENDIAN
-#define be2me_16(x) (x)
-#define be2me_32(x) (x)
-#define be2me_64(x) (x)
-#define le2me_16(x) bswap_16(x)
-#define le2me_32(x) bswap_32(x)
-#define le2me_64(x) bswap_64(x)
-#else
-#define be2me_16(x) bswap_16(x)
-#define be2me_32(x) bswap_32(x)
-#define be2me_64(x) bswap_64(x)
-#define le2me_16(x) (x)
-#define le2me_32(x) (x)
-#define le2me_64(x) (x)
-#endif
-
-#endif /* AVUTIL_BSWAP_H */
diff --git a/apps/codecs/libatrac/libavutil/common.h b/apps/codecs/libatrac/libavutil/common.h
deleted file mode 100644
index e369b43..0000000
--- a/apps/codecs/libatrac/libavutil/common.h
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * 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/common.h
- * common internal and external API header
- */
-
-#ifndef AVUTIL_COMMON_H
-#define AVUTIL_COMMON_H
-
-#include <ctype.h>
-#include <errno.h>
-#include <inttypes.h>
-#include <limits.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifdef __GNUC__
-#    define AV_GCC_VERSION_AT_LEAST(x,y) (__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y)
-#else
-#    define AV_GCC_VERSION_AT_LEAST(x,y) 0
-#endif
-
-#ifndef av_always_inline
-#if AV_GCC_VERSION_AT_LEAST(3,1)
-#    define av_always_inline __attribute__((always_inline)) inline
-#else
-#    define av_always_inline inline
-#endif
-#endif
-
-#ifndef av_noinline
-#if AV_GCC_VERSION_AT_LEAST(3,1)
-#    define av_noinline __attribute__((noinline))
-#else
-#    define av_noinline
-#endif
-#endif
-
-#ifndef av_pure
-#if AV_GCC_VERSION_AT_LEAST(3,1)
-#    define av_pure __attribute__((pure))
-#else
-#    define av_pure
-#endif
-#endif
-
-#ifndef av_const
-#if AV_GCC_VERSION_AT_LEAST(2,6)
-#    define av_const __attribute__((const))
-#else
-#    define av_const
-#endif
-#endif
-
-#ifndef av_cold
-#if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,3)
-#    define av_cold __attribute__((cold))
-#else
-#    define av_cold
-#endif
-#endif
-
-#ifndef av_flatten
-#if AV_GCC_VERSION_AT_LEAST(4,1)
-#    define av_flatten __attribute__((flatten))
-#else
-#    define av_flatten
-#endif
-#endif
-
-#ifndef attribute_deprecated
-#if AV_GCC_VERSION_AT_LEAST(3,1)
-#    define attribute_deprecated __attribute__((deprecated))
-#else
-#    define attribute_deprecated
-#endif
-#endif
-
-#ifndef av_unused
-#if defined(__GNUC__)
-#    define av_unused __attribute__((unused))
-#else
-#    define av_unused
-#endif
-#endif
-
-#ifndef av_uninit
-#if defined(__GNUC__) && !defined(__ICC)
-#    define av_uninit(x) x=x
-#else
-#    define av_uninit(x) x
-#endif
-#endif
-
-//rounded division & shift
-#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 FFABS(a) ((a) >= 0 ? (a) : (-(a)))
-#define FFSIGN(a) ((a) > 0 ? 1 : -1)
-
-#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
-#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c)
-#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
-#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c)
-
-#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
-#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
-
-/* misc math functions */
-extern const uint8_t ff_log2_tab[256];
-
-static inline av_const int av_log2(unsigned int v)
-{
-    int n = 0;
-    if (v & 0xffff0000) {
-        v >>= 16;
-        n += 16;
-    }
-    if (v & 0xff00) {
-        v >>= 8;
-        n += 8;
-    }
-    n += ff_log2_tab[v];
-
-    return n;
-}
-
-static inline av_const int av_log2_16bit(unsigned int v)
-{
-    int n = 0;
-    if (v & 0xff00) {
-        v >>= 8;
-        n += 8;
-    }
-    n += ff_log2_tab[v];
-
-    return n;
-}
-
-/**
- * Clips a signed integer value into the amin-amax range.
- * @param a value to clip
- * @param amin minimum value of the clip range
- * @param amax maximum value of the clip range
- * @return clipped value
- */
-static inline av_const int av_clip(int a, int amin, int amax)
-{
-    if      (a < amin) return amin;
-    else if (a > amax) return amax;
-    else               return a;
-}
-
-/**
- * Clips a signed integer value into the 0-255 range.
- * @param a value to clip
- * @return clipped value
- */
-static inline av_const uint8_t av_clip_uint8(int a)
-{
-    if (a&(~255)) return (-a)>>31;
-    else          return a;
-}
-
-/**
- * Clips a signed integer value into the -32768,32767 range.
- * @param a value to clip
- * @return clipped value
- */
-static inline av_const int16_t av_clip_int16(int a)
-{
-    if ((a+32768) & ~65535) return (a>>31) ^ 32767;
-    else                    return a;
-}
-
-/**
- * Clips a float value into the amin-amax range.
- * @param a value to clip
- * @param amin minimum value of the clip range
- * @param amax maximum value of the clip range
- * @return clipped value
- */
-static inline av_const float av_clipf(float a, float amin, float amax)
-{
-    if      (a < amin) return amin;
-    else if (a > amax) return amax;
-    else               return a;
-}
-
-#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))
-
-/*!
- * \def GET_UTF8(val, GET_BYTE, ERROR)
- * Converts a UTF-8 character (up to 4 bytes long) to its 32-bit UCS-4 encoded form
- * \param val is the output and should be of type uint32_t. It holds the converted
- * UCS-4 character and should be a left value.
- * \param GET_BYTE gets UTF-8 encoded bytes from any proper source. It can be
- * a function or a statement whose return value or evaluated value is of type
- * uint8_t. It will be executed up to 4 times for values in the valid UTF-8 range,
- * and up to 7 times in the general case.
- * \param ERROR action that should be taken when an invalid UTF-8 byte is returned
- * from GET_BYTE. It should be a statement that jumps out of the macro,
- * like exit(), goto, return, break, or continue.
- */
-#define GET_UTF8(val, GET_BYTE, ERROR)\
-    val= GET_BYTE;\
-    {\
-        int ones= 7 - av_log2(val ^ 255);\
-        if(ones==1)\
-            ERROR\
-        val&= 127>>ones;\
-        while(--ones > 0){\
-            int tmp= GET_BYTE - 128;\
-            if(tmp>>6)\
-                ERROR\
-            val= (val<<6) + tmp;\
-        }\
-    }
-
-/*!
- * \def PUT_UTF8(val, tmp, PUT_BYTE)
- * Converts a 32-bit Unicode character to its UTF-8 encoded form (up to 4 bytes long).
- * \param val is an input-only argument and should be of type uint32_t. It holds
- * a UCS-4 encoded Unicode character that is to be converted to UTF-8. If
- * val is given as a function it is executed only once.
- * \param tmp is a temporary variable and should be of type uint8_t. It
- * represents an intermediate value during conversion that is to be
- * output by PUT_BYTE.
- * \param PUT_BYTE writes the converted UTF-8 bytes to any proper destination.
- * It could be a function or a statement, and uses tmp as the input byte.
- * For example, PUT_BYTE could be "*output++ = tmp;" PUT_BYTE will be
- * executed up to 4 times for values in the valid UTF-8 range and up to
- * 7 times in the general case, depending on the length of the converted
- * Unicode character.
- */
-#define PUT_UTF8(val, tmp, PUT_BYTE)\
-    {\
-        int bytes, shift;\
-        uint32_t in = val;\
-        if (in < 0x80) {\
-            tmp = in;\
-            PUT_BYTE\
-        } else {\
-            bytes = (av_log2(in) + 4) / 5;\
-            shift = (bytes - 1) * 6;\
-            tmp = (256 - (256 >> bytes)) | (in >> shift);\
-            PUT_BYTE\
-            while (shift >= 6) {\
-                shift -= 6;\
-                tmp = 0x80 | ((in >> shift) & 0x3f);\
-                PUT_BYTE\
-            }\
-        }\
-    }
-
-#endif /* AVUTIL_COMMON_H */
diff --git a/apps/codecs/libatrac/libavutil/intreadwrite.h b/apps/codecs/libatrac/libavutil/intreadwrite.h
deleted file mode 100644
index d27a500..0000000
--- a/apps/codecs/libatrac/libavutil/intreadwrite.h
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * 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
- */
-
-#ifndef AVUTIL_INTREADWRITE_H
-#define AVUTIL_INTREADWRITE_H
-
-#include <stdint.h>
-//#include "ffmpeg_config.h"
-#include "bswap.h"
-
-#ifdef __GNUC__
-
-struct unaligned_64 { uint64_t l; } __attribute__((packed));
-struct unaligned_32 { uint32_t l; } __attribute__((packed));
-struct unaligned_16 { uint16_t l; } __attribute__((packed));
-
-#define AV_RN16(a) (((const struct unaligned_16 *) (a))->l)
-#define AV_RN32(a) (((const struct unaligned_32 *) (a))->l)
-#define AV_RN64(a) (((const struct unaligned_64 *) (a))->l)
-
-#define AV_WN16(a, b) (((struct unaligned_16 *) (a))->l) = (b)
-#define AV_WN32(a, b) (((struct unaligned_32 *) (a))->l) = (b)
-#define AV_WN64(a, b) (((struct unaligned_64 *) (a))->l) = (b)
-
-#elif defined(__DECC)
-
-#define AV_RN16(a) (*((const __unaligned uint16_t*)(a)))
-#define AV_RN32(a) (*((const __unaligned uint32_t*)(a)))
-#define AV_RN64(a) (*((const __unaligned uint64_t*)(a)))
-
-#define AV_WN16(a, b) *((__unaligned uint16_t*)(a)) = (b)
-#define AV_WN32(a, b) *((__unaligned uint32_t*)(a)) = (b)
-#define AV_WN64(a, b) *((__unaligned uint64_t*)(a)) = (b)
-
-#else
-
-#define AV_RN16(a) (*((const uint16_t*)(a)))
-#define AV_RN32(a) (*((const uint32_t*)(a)))
-#define AV_RN64(a) (*((const uint64_t*)(a)))
-
-#define AV_WN16(a, b) *((uint16_t*)(a)) = (b)
-#define AV_WN32(a, b) *((uint32_t*)(a)) = (b)
-#define AV_WN64(a, b) *((uint64_t*)(a)) = (b)
-
-#endif /* !__GNUC__ */
-
-/* endian macros */
-#define AV_RB8(x)     (((const uint8_t*)(x))[0])
-#define AV_WB8(p, d)  do { ((uint8_t*)(p))[0] = (d); } while(0)
-
-#define AV_RL8(x)     AV_RB8(x)
-#define AV_WL8(p, d)  AV_WB8(p, d)
-
-#if HAVE_FAST_UNALIGNED
-# ifdef WORDS_BIGENDIAN
-#  define AV_RB16(x)    AV_RN16(x)
-#  define AV_WB16(p, d) AV_WN16(p, d)
-
-#  define AV_RL16(x)    bswap_16(AV_RN16(x))
-#  define AV_WL16(p, d) AV_WN16(p, bswap_16(d))
-
-#  define AV_RB32(x)    AV_RN32(x)
-#  define AV_WB32(p, d) AV_WN32(p, d)
-
-#  define AV_RL32(x)    bswap_32(AV_RN32(x))
-#  define AV_WL32(p, d) AV_WN32(p, bswap_32(d))
-
-#  define AV_RB64(x)    AV_RN64(x)
-#  define AV_WB64(p, d) AV_WN64(p, d)
-
-#  define AV_RL64(x)    bswap_64(AV_RN64(x))
-#  define AV_WL64(p, d) AV_WN64(p, bswap_64(d))
-# else /* WORDS_BIGENDIAN */
-#  define AV_RB16(x)    bswap_16(AV_RN16(x))
-#  define AV_WB16(p, d) AV_WN16(p, bswap_16(d))
-
-#  define AV_RL16(x)    AV_RN16(x)
-#  define AV_WL16(p, d) AV_WN16(p, d)
-
-#  define AV_RB32(x)    bswap_32(AV_RN32(x))
-#  define AV_WB32(p, d) AV_WN32(p, bswap_32(d))
-
-#  define AV_RL32(x)    AV_RN32(x)
-#  define AV_WL32(p, d) AV_WN32(p, d)
-
-#  define AV_RB64(x)    bswap_64(AV_RN64(x))
-#  define AV_WB64(p, d) AV_WN64(p, bswap_64(d))
-
-#  define AV_RL64(x)    AV_RN64(x)
-#  define AV_WL64(p, d) AV_WN64(p, d)
-# endif
-#else /* HAVE_FAST_UNALIGNED */
-#define AV_RB16(x)  ((((const uint8_t*)(x))[0] << 8) | ((const uint8_t*)(x))[1])
-#define AV_WB16(p, d) do { \
-                    ((uint8_t*)(p))[1] = (d); \
-                    ((uint8_t*)(p))[0] = (d)>>8; } while(0)
-
-#define AV_RL16(x)  ((((const uint8_t*)(x))[1] << 8) | \
-                      ((const uint8_t*)(x))[0])
-#define AV_WL16(p, d) do { \
-                    ((uint8_t*)(p))[0] = (d); \
-                    ((uint8_t*)(p))[1] = (d)>>8; } while(0)
-
-#define AV_RB32(x)  ((((const uint8_t*)(x))[0] << 24) | \
-                     (((const uint8_t*)(x))[1] << 16) | \
-                     (((const uint8_t*)(x))[2] <<  8) | \
-                      ((const uint8_t*)(x))[3])
-#define AV_WB32(p, d) do { \
-                    ((uint8_t*)(p))[3] = (d); \
-                    ((uint8_t*)(p))[2] = (d)>>8; \
-                    ((uint8_t*)(p))[1] = (d)>>16; \
-                    ((uint8_t*)(p))[0] = (d)>>24; } while(0)
-
-#define AV_RL32(x) ((((const uint8_t*)(x))[3] << 24) | \
-                    (((const uint8_t*)(x))[2] << 16) | \
-                    (((const uint8_t*)(x))[1] <<  8) | \
-                     ((const uint8_t*)(x))[0])
-#define AV_WL32(p, d) do { \
-                    ((uint8_t*)(p))[0] = (d); \
-                    ((uint8_t*)(p))[1] = (d)>>8; \
-                    ((uint8_t*)(p))[2] = (d)>>16; \
-                    ((uint8_t*)(p))[3] = (d)>>24; } while(0)
-
-#define AV_RB64(x)  (((uint64_t)((const uint8_t*)(x))[0] << 56) | \
-                     ((uint64_t)((const uint8_t*)(x))[1] << 48) | \
-                     ((uint64_t)((const uint8_t*)(x))[2] << 40) | \
-                     ((uint64_t)((const uint8_t*)(x))[3] << 32) | \
-                     ((uint64_t)((const uint8_t*)(x))[4] << 24) | \
-                     ((uint64_t)((const uint8_t*)(x))[5] << 16) | \
-                     ((uint64_t)((const uint8_t*)(x))[6] <<  8) | \
-                      (uint64_t)((const uint8_t*)(x))[7])
-#define AV_WB64(p, d) do { \
-                    ((uint8_t*)(p))[7] = (d);     \
-                    ((uint8_t*)(p))[6] = (d)>>8;  \
-                    ((uint8_t*)(p))[5] = (d)>>16; \
-                    ((uint8_t*)(p))[4] = (d)>>24; \
-                    ((uint8_t*)(p))[3] = (d)>>32; \
-                    ((uint8_t*)(p))[2] = (d)>>40; \
-                    ((uint8_t*)(p))[1] = (d)>>48; \
-                    ((uint8_t*)(p))[0] = (d)>>56; } while(0)
-
-#define AV_RL64(x)  (((uint64_t)((const uint8_t*)(x))[7] << 56) | \
-                     ((uint64_t)((const uint8_t*)(x))[6] << 48) | \
-                     ((uint64_t)((const uint8_t*)(x))[5] << 40) | \
-                     ((uint64_t)((const uint8_t*)(x))[4] << 32) | \
-                     ((uint64_t)((const uint8_t*)(x))[3] << 24) | \
-                     ((uint64_t)((const uint8_t*)(x))[2] << 16) | \
-                     ((uint64_t)((const uint8_t*)(x))[1] <<  8) | \
-                      (uint64_t)((const uint8_t*)(x))[0])
-#define AV_WL64(p, d) do { \
-                    ((uint8_t*)(p))[0] = (d);     \
-                    ((uint8_t*)(p))[1] = (d)>>8;  \
-                    ((uint8_t*)(p))[2] = (d)>>16; \
-                    ((uint8_t*)(p))[3] = (d)>>24; \
-                    ((uint8_t*)(p))[4] = (d)>>32; \
-                    ((uint8_t*)(p))[5] = (d)>>40; \
-                    ((uint8_t*)(p))[6] = (d)>>48; \
-                    ((uint8_t*)(p))[7] = (d)>>56; } while(0)
-#endif  /* HAVE_FAST_UNALIGNED */
-
-#define AV_RB24(x)  ((((const uint8_t*)(x))[0] << 16) | \
-                     (((const uint8_t*)(x))[1] <<  8) | \
-                      ((const uint8_t*)(x))[2])
-#define AV_WB24(p, d) do { \
-                    ((uint8_t*)(p))[2] = (d); \
-                    ((uint8_t*)(p))[1] = (d)>>8; \
-                    ((uint8_t*)(p))[0] = (d)>>16; } while(0)
-
-#define AV_RL24(x)  ((((const uint8_t*)(x))[2] << 16) | \
-                     (((const uint8_t*)(x))[1] <<  8) | \
-                      ((const uint8_t*)(x))[0])
-#define AV_WL24(p, d) do { \
-                    ((uint8_t*)(p))[0] = (d); \
-                    ((uint8_t*)(p))[1] = (d)>>8; \
-                    ((uint8_t*)(p))[2] = (d)>>16; } while(0)
-
-#endif /* AVUTIL_INTREADWRITE_H */