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-
-/* -----------------------------------------------------------------------------------------------------------
-Software License for The Fraunhofer FDK AAC Codec Library for Android
-
-© Copyright  1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
-  All rights reserved.
-
- 1.    INTRODUCTION
-The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements
-the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio.
-This FDK AAC Codec software is intended to be used on a wide variety of Android devices.
-
-AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual
-audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by
-independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part
-of the MPEG specifications.
-
-Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer)
-may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners
-individually for the purpose of encoding or decoding bit streams in products that are compliant with
-the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license
-these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec
-software may already be covered under those patent licenses when it is used for those licensed purposes only.
-
-Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality,
-are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional
-applications information and documentation.
-
-2.    COPYRIGHT LICENSE
-
-Redistribution and use in source and binary forms, with or without modification, are permitted without
-payment of copyright license fees provided that you satisfy the following conditions:
-
-You must retain the complete text of this software license in redistributions of the FDK AAC Codec or
-your modifications thereto in source code form.
-
-You must retain the complete text of this software license in the documentation and/or other materials
-provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form.
-You must make available free of charge copies of the complete source code of the FDK AAC Codec and your
-modifications thereto to recipients of copies in binary form.
-
-The name of Fraunhofer may not be used to endorse or promote products derived from this library without
-prior written permission.
-
-You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec
-software or your modifications thereto.
-
-Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software
-and the date of any change. For modified versions of the FDK AAC Codec, the term
-"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term
-"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android."
-
-3.    NO PATENT LICENSE
-
-NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer,
-ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with
-respect to this software.
-
-You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized
-by appropriate patent licenses.
-
-4.    DISCLAIMER
-
-This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors
-"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties
-of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages,
-including but not limited to procurement of substitute goods or services; loss of use, data, or profits,
-or business interruption, however caused and on any theory of liability, whether in contract, strict
-liability, or tort (including negligence), arising in any way out of the use of this software, even if
-advised of the possibility of such damage.
-
-5.    CONTACT INFORMATION
-
-Fraunhofer Institute for Integrated Circuits IIS
-Attention: Audio and Multimedia Departments - FDK AAC LL
-Am Wolfsmantel 33
-91058 Erlangen, Germany
-
-www.iis.fraunhofer.de/amm
-amm-info@iis.fraunhofer.de
------------------------------------------------------------------------------------------------------------ */
-
-/**************************  Fraunhofer IIS FDK SysLib  **********************
-
-   Author(s):   Manuel Jander
-   Description:
-
-******************************************************************************/
-
-#define RESOURCE_scratchBuffer
-#define FUNCTION_FDKprolog
-#define FUNCTION_FDKepilog
-
-#define MIPS_VIRTUAL_START  (0x80000000)
-/* value below is defined in simulator config (MipsMemIntf-{24KE,4KE}.cfg) */
-#define MIPS_SDE_SCRATCHPAD (0x00058000)
-
-//#define MIPS_SRAM_SIZE  (32768)
-#define MIPS_SRAM_SIZE  (4096)
-
-#define MIPS_SCRATCH_SIZE (4096)
-#define DATA_L1_A_SIZE (MIPS_SRAM_SIZE-MIPS_SCRATCH_SIZE)
-
-
-
-
-#ifdef RESOURCE_scratchBuffer
-#define FDK_SCRATCHBUF_SIZE 1024
-static LONG *___scratchBuffer = NULL;
-static LONG *__scratchBuffer = NULL;
-static unsigned char *__pScratchBuffer = NULL;
-#endif
-
-
-#ifdef __linux__
-
-#include <stdio.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-static int fd;
-static inline void * getSram(void)
-{
-  unsigned long *ptr = NULL;
-
-  /* Open driver */
-  fd = open("/dev/sram", 0);
-  if (fd < 0)
-  {
-    printf("Unable to access sram. Fallback to malloc\n");
-    /* Signal "no sram driver at use". */
-    fd = -1;
-    /* Return malloced pointer (fallback) */
-    return malloc(MIPS_SRAM_SIZE);
-  }
-
-  /* Get memory mapped into CPU (virtual) address space */
-  ptr = (unsigned long *)mmap(NULL, MIPS_SRAM_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
-  if(ptr == MAP_FAILED)
-  {
-     printf("Unable to access sram. Fallback to malloc\n");
-     /* Give up on the sram driver */
-     close(fd);
-     /* Signal "no sram driver at use". */
-     fd = -1;
-     /* Return malloced pointer (fallback) */
-     ptr = (unsigned long *)malloc(MIPS_SRAM_SIZE);
-  }
-
-
-  /* Return pointer to sram */
-  return (void*)ptr;
-}
-
-static inline void freeSram(void* ptr)
-{
-  /* Check if sram driver is being used. */
-  if (fd == -1)
-  {
-    free(ptr);
-    return;
-  }
-
-  /* Unmap memory */
-  munmap(ptr, MIPS_SRAM_SIZE);
-  /* Close driver */
-  close(fd);
-
-  return;
-}
-
-#elif defined(__SDE_MIPS__)
-
-#include <stdio.h>
-#include <mips/cpu.h>
-
-static int hasISPRAM, hasDSPRAM;
-
-static inline void * getSram(void)
-{
-  void *addr;
-  unsigned int Config;
-
-  Config = mips_getconfig();
-  hasISPRAM = (Config >> 24) & 1;
-  hasDSPRAM = (Config >> 23) & 1;
-
-  FDKprintf("Config ISP/DSP: %d/%d\n", hasISPRAM, hasDSPRAM);
-
-  if (hasDSPRAM) {
-    long paddr, laddr;
-
-    FDKprintf("wrong\n");
-    paddr = MIPS_SDE_SCRATCHPAD;
-    /* Fixed mapping of kseg0: 0x80000000-0x9fffffff virtual => 0x00000000-0x1fffffff physical */
-    laddr = MIPS_VIRTUAL_START + MIPS_SDE_SCRATCHPAD;
-    addr = (void*)(laddr);
-  } else {
-    FDKprintf("ok\n");
-    addr = malloc(MIPS_SRAM_SIZE);
-    FDKprintf("addr %d\n", (int)addr);
-  }
-  return addr;
-}
-static inline void freeSram(void* ptr)
-{
-  if (!hasDSPRAM) {
-    free(ptr);
-  }
-}
-
-#else
-
-static inline void * getSram(void)
-{
-  return malloc(MIPS_SRAM_SIZE);
-}
-static inline void freeSram(void* ptr)
-{
-  free(ptr);
-}
-
-#endif
-
-
-#ifdef FUNCTION_FDKprolog
-void FDKprolog(void)
-{
-   unsigned char *addr;
-
-#ifdef _MIPS_ARCH_MIPS32R2
-   unsigned status;
-   asm volatile("mfc0 %0, $12, 0;\n" : "=r" (status));
-   status |= (1 << 24);
-   asm volatile("mtc0 %0, $12, 0;\n" :: "r" (status));
-#endif
-
-   addr = (unsigned char*)getSram();
-   if (addr == NULL) {
-     FDKprintfErr("SRAM allocation failed ! This is fatal.\n");
-     exit(-1);
-   } else {
-     FDKprintf("SRAM @ 0x%08x, size = 0x%x\n", (unsigned int) addr, MIPS_SRAM_SIZE);
-   }
-
-
-#ifdef RESOURCE_scratchBuffer
-   ___scratchBuffer = (LONG*)(addr + MIPS_SRAM_SIZE - MIPS_SCRATCH_SIZE);
-#endif
-
-   atexit(FDKepilog);
-
-   FDKprolog_generic();
-}
-#endif
-
-#ifdef FUNCTION_FDKepilog
-void FDKepilog(void)
-{
-
-#ifdef _MIPS_ARCH_MIPS32R2
-   unsigned status;
-   asm volatile("mfc0 %0, $12, 0;\n" : "=r" (status));
-           status &= ~(1 << 24);
-   asm volatile("mtc0 %0, $12, 0;\n" :: "r" (status));
-#endif
-
-   FDKepilog_generic();
-}
-#endif
-
-
-#if !defined(__linux__)
-
-#define FUNCTION_FDKclock
-
-#ifndef MIPS_CPU_CLK
-#define MIPS_CPU_CLK 100000000
-#endif
-
-INT FDKclock(void) {
-  INT clk;
-
-  asm volatile ("mfc0 %0,$9 " : "=r" (clk));
-  return clk;
-}
-
-#endif /* !defined(__linux__) */