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

13 files changed, 1772 insertions, 0 deletions

diff --git a/apps/codecs/libcook/libavutil/avutil.h b/apps/codecs/libcook/libavutil/avutil.h
new file mode 100644
index 0000000..c57e69f
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/avutil.h
@@ -0,0 +1,63 @@
+/*
+ * 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/libcook/libavutil/bswap.h b/apps/codecs/libcook/libavutil/bswap.h
new file mode 100644
index 0000000..cf68c43
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/bswap.h
@@ -0,0 +1,99 @@
+/*
+ * 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 "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/libcook/libavutil/common.h b/apps/codecs/libcook/libavutil/common.h
new file mode 100644
index 0000000..15eaf98
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/common.h
@@ -0,0 +1,286 @@
+/*
+ * 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\
+            }\
+        }\
+    }
+
+#include "mem.h"
+
+#ifdef HAVE_AV_CONFIG_H
+#    include "config.h"
+#    include "internal.h"
+#endif /* HAVE_AV_CONFIG_H */
+
+#endif /* AVUTIL_COMMON_H */
diff --git a/apps/codecs/libcook/libavutil/internal.h b/apps/codecs/libcook/libavutil/internal.h
new file mode 100644
index 0000000..4191aa8
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/internal.h
@@ -0,0 +1,328 @@
+/*
+ * 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 "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<<s);
+    }
+
+    return b - (a<b*b);
+}
+
+#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
+
+#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 */
diff --git a/apps/codecs/libcook/libavutil/intreadwrite.h b/apps/codecs/libcook/libavutil/intreadwrite.h
new file mode 100644
index 0000000..7c5909e
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/intreadwrite.h
@@ -0,0 +1,192 @@
+/*
+ * 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 "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 */
diff --git a/apps/codecs/libcook/libavutil/lfg.c b/apps/codecs/libcook/libavutil/lfg.c
new file mode 100644
index 0000000..337ee9e
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/lfg.c
@@ -0,0 +1,64 @@
+/*
+ * Lagged Fibonacci PRNG
+ * Copyright (c) 2008 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
+ */
+
+#include <inttypes.h>
+#include "lfg.h"
+#include "md5.h"
+#include "intreadwrite.h"
+
+void av_cold av_lfg_init(AVLFG *c, unsigned int seed){
+    uint8_t tmp[16]={0};
+    int i;
+
+    for(i=8; i<64; i+=4){
+        AV_WL32(tmp, seed); tmp[4]=i;
+        av_md5_sum(tmp, tmp,  16);
+        c->state[i  ]= AV_RL32(tmp);
+        c->state[i+1]= AV_RL32(tmp+4);
+        c->state[i+2]= AV_RL32(tmp+8);
+        c->state[i+3]= AV_RL32(tmp+12);
+    }
+    c->index=0;
+}
+
+#ifdef TEST
+#include "log.h"
+#include "common.h"
+
+int main(void)
+{
+    int x=0;
+    int i, j;
+    AVLFG state;
+
+    av_lfg_init(&state, 0xdeadbeef);
+    for (j = 0; j < 10000; j++) {
+        START_TIMER
+        for (i = 0; i < 624; i++) {
+//            av_log(NULL,AV_LOG_ERROR, "%X\n", av_lfg_get(&state));
+            x+=av_lfg_get(&state);
+        }
+        STOP_TIMER("624 calls of av_random");
+    }
+    av_log(NULL, AV_LOG_ERROR, "final value:%X\n", x);
+    return 0;
+}
+#endif
diff --git a/apps/codecs/libcook/libavutil/lfg.h b/apps/codecs/libcook/libavutil/lfg.h
new file mode 100644
index 0000000..3250c18
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/lfg.h
@@ -0,0 +1,54 @@
+/*
+ * Lagged Fibonacci PRNG
+ * Copyright (c) 2008 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
+ */
+
+#ifndef AVUTIL_LFG_H
+#define AVUTIL_LFG_H
+
+typedef struct {
+    unsigned int state[64];
+    int index;
+} AVLFG;
+
+void av_lfg_init(AVLFG *c, unsigned int seed);
+
+/**
+ * Gets the next random unsigned 32-bit number using an ALFG.
+ *
+ * Please also consider a simple LCG like state= state*1664525+1013904223,
+ * it may be good enough and faster for your specific use case.
+ */
+static inline unsigned int av_lfg_get(AVLFG *c){
+    c->state[c->index & 63] = c->state[(c->index-24) & 63] + c->state[(c->index-55) & 63];
+    return c->state[c->index++ & 63];
+}
+
+/**
+ * Gets the next random unsigned 32-bit number using a MLFG.
+ *
+ * Please also consider av_lfg_get() above, it is faster.
+ */
+static inline unsigned int av_mlfg_get(AVLFG *c){
+    unsigned int a= c->state[(c->index-55) & 63];
+    unsigned int b= c->state[(c->index-24) & 63];
+    return c->state[c->index++ & 63] = 2*a*b+a+b;
+}
+
+#endif /* AVUTIL_LFG_H */
diff --git a/apps/codecs/libcook/libavutil/log.c b/apps/codecs/libcook/libavutil/log.c
new file mode 100644
index 0000000..4bb9652
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/log.c
@@ -0,0 +1,89 @@
+/*
+ * log functions
+ * Copyright (c) 2003 Michel Bardiaux
+ *
+ * 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/log.c
+ * logging functions
+ */
+
+#include "avutil.h"
+#include "log.h"
+
+int av_log_level = AV_LOG_INFO;
+
+void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
+{
+    static int print_prefix=1;
+    static int count;
+    static char line[1024], prev[1024];
+    AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
+    if(level>av_log_level)
+        return;
+#undef fprintf
+    if(print_prefix && avc) {
+        snprintf(line, sizeof(line), "[%s @ %p]", avc->item_name(ptr), ptr);
+    }else
+        line[0]=0;
+
+    vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl);
+
+    print_prefix= line[strlen(line)-1] == '\n';
+    if(print_prefix && !strcmp(line, prev)){
+        count++;
+        return;
+    }
+    if(count>0){
+        fprintf(stderr, "    Last message repeated %d times\n", count);
+        count=0;
+    }
+    fputs(line, stderr);
+    strcpy(prev, line);
+}
+
+static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback;
+
+void av_log(void* avcl, int level, const char *fmt, ...)
+{
+    va_list vl;
+    va_start(vl, fmt);
+    av_vlog(avcl, level, fmt, vl);
+    va_end(vl);
+}
+
+void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
+{
+    av_log_callback(avcl, level, fmt, vl);
+}
+
+int av_log_get_level(void)
+{
+    return av_log_level;
+}
+
+void av_log_set_level(int level)
+{
+    av_log_level = level;
+}
+
+void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
+{
+    av_log_callback = callback;
+}
diff --git a/apps/codecs/libcook/libavutil/log.h b/apps/codecs/libcook/libavutil/log.h
new file mode 100644
index 0000000..1206a2f
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/log.h
@@ -0,0 +1,116 @@
+/*
+ * 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_LOG_H
+#define AVUTIL_LOG_H
+
+#include <stdarg.h>
+#include "avutil.h"
+
+/**
+ * Describes the class of an AVClass context structure. That is an
+ * arbitrary struct of which the first field is a pointer to an
+ * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.).
+ */
+typedef struct AVCLASS AVClass;
+struct AVCLASS {
+    /**
+     * The name of the class; usually it is the same name as the
+     * context structure type to which the AVClass is associated.
+     */
+    const char* class_name;
+
+    /**
+     * A pointer to a function which returns the name of a context
+     * instance \p ctx associated with the class.
+     */
+    const char* (*item_name)(void* ctx);
+
+    /**
+     * a pointer to the first option specified in the class if any or NULL
+     *
+     * @see av_set_default_options()
+     */
+    const struct AVOption *option;
+};
+
+/* av_log API */
+
+#define AV_LOG_QUIET    -8
+
+/**
+ * Something went really wrong and we will crash now.
+ */
+#define AV_LOG_PANIC     0
+
+/**
+ * Something went wrong and recovery is not possible.
+ * For example, no header was found for a format which depends
+ * on headers or an illegal combination of parameters is used.
+ */
+#define AV_LOG_FATAL     8
+
+/**
+ * Something went wrong and cannot losslessly be recovered.
+ * However, not all future data is affected.
+ */
+#define AV_LOG_ERROR    16
+
+/**
+ * Something somehow does not look correct. This may or may not
+ * lead to problems. An example would be the use of '-vstrict -2'.
+ */
+#define AV_LOG_WARNING  24
+
+#define AV_LOG_INFO     32
+#define AV_LOG_VERBOSE  40
+
+/**
+ * Stuff which is only useful for libav* developers.
+ */
+#define AV_LOG_DEBUG    48
+
+/**
+ * Sends the specified message to the log if the level is less than or equal
+ * to the current av_log_level. By default, all logging messages are sent to
+ * stderr. This behavior can be altered by setting a different av_vlog callback
+ * function.
+ *
+ * @param avcl A pointer to an arbitrary struct of which the first field is a
+ * pointer to an AVClass struct.
+ * @param level The importance level of the message, lower values signifying
+ * higher importance.
+ * @param fmt The format string (printf-compatible) that specifies how
+ * subsequent arguments are converted to output.
+ * @see av_vlog
+ */
+#ifdef __GNUC__
+void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
+#else
+void av_log(void*, int level, const char *fmt, ...);
+#endif
+
+void av_vlog(void*, int level, const char *fmt, va_list);
+int av_log_get_level(void);
+void av_log_set_level(int);
+void av_log_set_callback(void (*)(void*, int, const char*, va_list));
+void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
+
+#endif /* AVUTIL_LOG_H */
diff --git a/apps/codecs/libcook/libavutil/md5.c b/apps/codecs/libcook/libavutil/md5.c
new file mode 100644
index 0000000..26d1fb3
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/md5.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (C) 2006 Michael Niedermayer (michaelni@gmx.at)
+ * Copyright (C) 2003-2005 by Christopher R. Hertel (crh@ubiqx.mn.org)
+ *
+ * References:
+ *  IETF RFC 1321: The MD5 Message-Digest Algorithm
+ *       Ron Rivest. IETF, April, 1992
+ *
+ * based on http://ubiqx.org/libcifs/source/Auth/MD5.c
+ *          from Christopher R. Hertel (crh@ubiqx.mn.org)
+ * Simplified, cleaned and IMO redundant comments removed by michael.
+ *
+ * If you use gcc, then version 4.1 or later and -fomit-frame-pointer is
+ * strongly recommended.
+ *
+ * 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
+ */
+
+#include <string.h>
+#include "bswap.h"
+#include "md5.h"
+
+typedef struct AVMD5{
+    uint64_t len;
+    uint8_t  block[64];
+    uint32_t ABCD[4];
+} AVMD5;
+
+const int av_md5_size= sizeof(AVMD5);
+
+static const uint8_t S[4][4] = {
+    { 7, 12, 17, 22 },  /* round 1 */
+    { 5,  9, 14, 20 },  /* round 2 */
+    { 4, 11, 16, 23 },  /* round 3 */
+    { 6, 10, 15, 21 }   /* round 4 */
+};
+
+static const uint32_t T[64] = { // T[i]= fabs(sin(i+1)<<32)
+    0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,   /* round 1 */
+    0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
+    0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
+    0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
+
+    0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,   /* round 2 */
+    0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
+    0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
+    0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
+
+    0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,   /* round 3 */
+    0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
+    0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
+    0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
+
+    0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,   /* round 4 */
+    0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
+    0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
+    0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391,
+};
+
+#define CORE(i, a, b, c, d) \
+        t = S[i>>4][i&3];\
+        a += T[i];\
+\
+        if(i<32){\
+            if(i<16) a += (d ^ (b&(c^d))) + X[      i &15 ];\
+            else     a += (c ^ (d&(c^b))) + X[ (1+5*i)&15 ];\
+        }else{\
+            if(i<48) a += (b^c^d)         + X[ (5+3*i)&15 ];\
+            else     a += (c^(b|~d))      + X[ (  7*i)&15 ];\
+        }\
+        a = b + (( a << t ) | ( a >> (32 - t) ));
+
+static void body(uint32_t ABCD[4], uint32_t X[16]){
+
+    int t;
+    int i av_unused;
+    unsigned int a= ABCD[3];
+    unsigned int b= ABCD[2];
+    unsigned int c= ABCD[1];
+    unsigned int d= ABCD[0];
+
+#ifdef WORDS_BIGENDIAN
+    for(i=0; i<16; i++)
+        X[i]= bswap_32(X[i]);
+#endif
+
+#if CONFIG_SMALL
+    for( i = 0; i < 64; i++ ){
+        CORE(i,a,b,c,d)
+        t=d; d=c; c=b; b=a; a=t;
+    }
+#else
+#define CORE2(i) CORE(i,a,b,c,d) CORE((i+1),d,a,b,c) CORE((i+2),c,d,a,b) CORE((i+3),b,c,d,a)
+#define CORE4(i) CORE2(i) CORE2((i+4)) CORE2((i+8)) CORE2((i+12))
+CORE4(0) CORE4(16) CORE4(32) CORE4(48)
+#endif
+
+    ABCD[0] += d;
+    ABCD[1] += c;
+    ABCD[2] += b;
+    ABCD[3] += a;
+}
+
+void av_md5_init(AVMD5 *ctx){
+    ctx->len    = 0;
+
+    ctx->ABCD[0] = 0x10325476;
+    ctx->ABCD[1] = 0x98badcfe;
+    ctx->ABCD[2] = 0xefcdab89;
+    ctx->ABCD[3] = 0x67452301;
+}
+
+void av_md5_update(AVMD5 *ctx, const uint8_t *src, const int len){
+    int i, j;
+
+    j= ctx->len & 63;
+    ctx->len += len;
+
+    for( i = 0; i < len; i++ ){
+        ctx->block[j++] = src[i];
+        if( 64 == j ){
+            body(ctx->ABCD, (uint32_t*) ctx->block);
+            j = 0;
+        }
+    }
+}
+
+void av_md5_final(AVMD5 *ctx, uint8_t *dst){
+    int i;
+    uint64_t finalcount= le2me_64(ctx->len<<3);
+
+    av_md5_update(ctx, "\200", 1);
+    while((ctx->len & 63)!=56)
+        av_md5_update(ctx, "", 1);
+
+    av_md5_update(ctx, (uint8_t*)&finalcount, 8);
+
+    for(i=0; i<4; i++)
+        ((uint32_t*)dst)[i]= le2me_32(ctx->ABCD[3-i]);
+}
+
+void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len){
+    AVMD5 ctx[1];
+
+    av_md5_init(ctx);
+    av_md5_update(ctx, src, len);
+    av_md5_final(ctx, dst);
+}
+
+#ifdef TEST
+#include <stdio.h>
+#undef printf
+int main(void){
+    uint64_t md5val;
+    int i;
+    uint8_t in[1000];
+
+    for(i=0; i<1000; i++) in[i]= i*i;
+    av_md5_sum( (uint8_t*)&md5val, in,  1000); printf("%"PRId64"\n", md5val);
+    av_md5_sum( (uint8_t*)&md5val, in,  63); printf("%"PRId64"\n", md5val);
+    av_md5_sum( (uint8_t*)&md5val, in,  64); printf("%"PRId64"\n", md5val);
+    av_md5_sum( (uint8_t*)&md5val, in,  65); printf("%"PRId64"\n", md5val);
+    for(i=0; i<1000; i++) in[i]= i % 127;
+    av_md5_sum( (uint8_t*)&md5val, in,  999); printf("%"PRId64"\n", md5val);
+
+    return 0;
+}
+#endif
diff --git a/apps/codecs/libcook/libavutil/md5.h b/apps/codecs/libcook/libavutil/md5.h
new file mode 100644
index 0000000..969202a
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/md5.h
@@ -0,0 +1,36 @@
+/*
+ * 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_MD5_H
+#define AVUTIL_MD5_H
+
+#include <stdint.h>
+
+extern const int av_md5_size;
+
+struct AVMD5;
+
+void av_md5_init(struct AVMD5 *ctx);
+void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len);
+void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
+void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len);
+
+#endif /* AVUTIL_MD5_H */
+
diff --git a/apps/codecs/libcook/libavutil/mem.c b/apps/codecs/libcook/libavutil/mem.c
new file mode 100644
index 0000000..741450b
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/mem.c
@@ -0,0 +1,159 @@
+/*
+ * default memory allocator for libavutil
+ * Copyright (c) 2002 Fabrice Bellard
+ *
+ * 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/mem.c
+ * default memory allocator for libavutil
+ */
+
+#include "config.h"
+
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+#if HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#include "mem.h"
+
+/* here we can use OS-dependent allocation functions */
+#undef free
+#undef malloc
+#undef realloc
+
+/* You can redefine av_malloc and av_free in your project to use your
+   memory allocator. You do not need to suppress this file because the
+   linker will do it automatically. */
+
+void *av_malloc(unsigned int size)
+{
+    void *ptr = NULL;
+#if CONFIG_MEMALIGN_HACK
+    long diff;
+#endif
+
+    /* let's disallow possible ambiguous cases */
+    if(size > (INT_MAX-16) )
+        return NULL;
+
+#if CONFIG_MEMALIGN_HACK
+    ptr = malloc(size+16);
+    if(!ptr)
+        return ptr;
+    diff= ((-(long)ptr - 1)&15) + 1;
+    ptr = (char*)ptr + diff;
+    ((char*)ptr)[-1]= diff;
+#elif HAVE_POSIX_MEMALIGN
+    if (posix_memalign(&ptr,16,size))
+        ptr = NULL;
+#elif HAVE_MEMALIGN
+    ptr = memalign(16,size);
+    /* Why 64?
+       Indeed, we should align it:
+         on 4 for 386
+         on 16 for 486
+         on 32 for 586, PPro - K6-III
+         on 64 for K7 (maybe for P3 too).
+       Because L1 and L2 caches are aligned on those values.
+       But I don't want to code such logic here!
+     */
+     /* Why 16?
+        Because some CPUs need alignment, for example SSE2 on P4, & most RISC CPUs
+        it will just trigger an exception and the unaligned load will be done in the
+        exception handler or it will just segfault (SSE2 on P4).
+        Why not larger? Because I did not see a difference in benchmarks ...
+     */
+     /* benchmarks with P3
+        memalign(64)+1          3071,3051,3032
+        memalign(64)+2          3051,3032,3041
+        memalign(64)+4          2911,2896,2915
+        memalign(64)+8          2545,2554,2550
+        memalign(64)+16         2543,2572,2563
+        memalign(64)+32         2546,2545,2571
+        memalign(64)+64         2570,2533,2558
+
+        BTW, malloc seems to do 8-byte alignment by default here.
+     */
+#else
+    ptr = malloc(size);
+#endif
+    return ptr;
+}
+
+void *av_realloc(void *ptr, unsigned int size)
+{
+#if CONFIG_MEMALIGN_HACK
+    int diff;
+#endif
+
+    /* let's disallow possible ambiguous cases */
+    if(size > (INT_MAX-16) )
+        return NULL;
+
+#if CONFIG_MEMALIGN_HACK
+    //FIXME this isn't aligned correctly, though it probably isn't needed
+    if(!ptr) return av_malloc(size);
+    diff= ((char*)ptr)[-1];
+    return (char*)realloc((char*)ptr - diff, size + diff) + diff;
+#else
+    return realloc(ptr, size);
+#endif
+}
+
+void av_free(void *ptr)
+{
+    /* XXX: this test should not be needed on most libcs */
+    if (ptr)
+#if CONFIG_MEMALIGN_HACK
+        free((char*)ptr - ((char*)ptr)[-1]);
+#else
+        free(ptr);
+#endif
+}
+
+void av_freep(void *arg)
+{
+    void **ptr= (void**)arg;
+    av_free(*ptr);
+    *ptr = NULL;
+}
+
+void *av_mallocz(unsigned int size)
+{
+    void *ptr = av_malloc(size);
+    if (ptr)
+        memset(ptr, 0, size);
+    return ptr;
+}
+
+char *av_strdup(const char *s)
+{
+    char *ptr= NULL;
+    if(s){
+        int len = strlen(s) + 1;
+        ptr = av_malloc(len);
+        if (ptr)
+            memcpy(ptr, s, len);
+    }
+    return ptr;
+}
+
diff --git a/apps/codecs/libcook/libavutil/mem.h b/apps/codecs/libcook/libavutil/mem.h
new file mode 100644
index 0000000..e50553a
--- /dev/null
+++ b/apps/codecs/libcook/libavutil/mem.h
@@ -0,0 +1,104 @@
+/*
+ * 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/mem.h
+ * memory handling functions
+ */
+
+#ifndef AVUTIL_MEM_H
+#define AVUTIL_MEM_H
+
+#include "common.h"
+
+#if AV_GCC_VERSION_AT_LEAST(3,1)
+    #define av_malloc_attrib __attribute__((__malloc__))
+#else
+    #define av_malloc_attrib
+#endif
+
+#if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,3)
+    #define av_alloc_size(n) __attribute__((alloc_size(n)))
+#else
+    #define av_alloc_size(n)
+#endif
+
+/**
+ * Allocates a block of \p size bytes with alignment suitable for all
+ * memory accesses (including vectors if available on the CPU).
+ * @param size Size in bytes for the memory block to be allocated.
+ * @return Pointer to the allocated block, NULL if the block cannot
+ * be allocated.
+ * @see av_mallocz()
+ */
+void *av_malloc(unsigned int size) av_malloc_attrib av_alloc_size(1);
+
+/**
+ * Allocates or reallocates a block of memory.
+ * If \p ptr is NULL and \p size > 0, allocates a new block. If \p
+ * size is zero, frees the memory block pointed to by \p ptr.
+ * @param size Size in bytes for the memory block to be allocated or
+ * reallocated.
+ * @param ptr Pointer to a memory block already allocated with
+ * av_malloc(z)() or av_realloc() or NULL.
+ * @return Pointer to a newly reallocated block or NULL if the block
+ * cannot be reallocated or the function is used to free the memory block.
+ * @see av_fast_realloc()
+ */
+void *av_realloc(void *ptr, unsigned int size) av_alloc_size(2);
+
+/**
+ * Frees a memory block which has been allocated with av_malloc(z)() or
+ * av_realloc().
+ * @param ptr Pointer to the memory block which should be freed.
+ * @note ptr = NULL is explicitly allowed.
+ * @note It is recommended that you use av_freep() instead.
+ * @see av_freep()
+ */
+void av_free(void *ptr);
+
+/**
+ * Allocates a block of \p size bytes with alignment suitable for all
+ * memory accesses (including vectors if available on the CPU) and
+ * zeroes all the bytes of the block.
+ * @param size Size in bytes for the memory block to be allocated.
+ * @return Pointer to the allocated block, NULL if it cannot be allocated.
+ * @see av_malloc()
+ */
+void *av_mallocz(unsigned int size) av_malloc_attrib av_alloc_size(1);
+
+/**
+ * Duplicates the string \p s.
+ * @param s string to be duplicated
+ * @return Pointer to a newly allocated string containing a
+ * copy of \p s or NULL if the string cannot be allocated.
+ */
+char *av_strdup(const char *s) av_malloc_attrib;
+
+/**
+ * Frees a memory block which has been allocated with av_malloc(z)() or
+ * av_realloc() and set the pointer pointing to it to NULL.
+ * @param ptr Pointer to the pointer to the memory block which should
+ * be freed.
+ * @see av_free()
+ */
+void av_freep(void *ptr);
+
+#endif /* AVUTIL_MEM_H */