12228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 22228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* ----------------------------------------------------------------------------------------------------------- 32228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectSoftware License for The Fraunhofer FDK AAC Codec Library for Android 42228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 54f0d97057c5c640b25518358886f8c47da9fc052Jean-Michel Trivi� Copyright 1995 - 2013 Fraunhofer-Gesellschaft zur F�rderung der angewandten Forschung e.V. 62228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project All rights reserved. 72228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 82228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1. INTRODUCTION 92228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThe Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements 102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthe MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. 112228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThis FDK AAC Codec software is intended to be used on a wide variety of Android devices. 122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 132228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual 142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectaudio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by 152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectindependent studies and is widely deployed. AAC has been standardized by ISO and IEC as part 162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectof the MPEG specifications. 172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 182228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectPatent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) 192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectmay be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners 202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectindividually for the purpose of encoding or decoding bit streams in products that are compliant with 212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthe ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license 222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthese patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec 232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectsoftware may already be covered under those patent licenses when it is used for those licensed purposes only. 242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 252228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectCommercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, 262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectare also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional 272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectapplications information and documentation. 282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project2. COPYRIGHT LICENSE 302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 312228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectRedistribution and use in source and binary forms, with or without modification, are permitted without 322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectpayment of copyright license fees provided that you satisfy the following conditions: 332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 342228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must retain the complete text of this software license in redistributions of the FDK AAC Codec or 352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectyour modifications thereto in source code form. 362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 372228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must retain the complete text of this software license in the documentation and/or other materials 382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectprovided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. 392228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must make available free of charge copies of the complete source code of the FDK AAC Codec and your 402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectmodifications thereto to recipients of copies in binary form. 412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 422228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThe name of Fraunhofer may not be used to endorse or promote products derived from this library without 432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectprior written permission. 442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 452228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec 462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectsoftware or your modifications thereto. 472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 482228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYour modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software 492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectand the date of any change. For modified versions of the FDK AAC Codec, the term 502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term 512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." 522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project3. NO PATENT LICENSE 542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 552228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectNO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, 562228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with 572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectrespect to this software. 582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 592228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized 602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectby appropriate patent licenses. 612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project4. DISCLAIMER 632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 642228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThis FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors 652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties 662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectof merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 672228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectCONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, 682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectincluding but not limited to procurement of substitute goods or services; loss of use, data, or profits, 692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projector business interruption, however caused and on any theory of liability, whether in contract, strict 702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectliability, or tort (including negligence), arising in any way out of the use of this software, even if 712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectadvised of the possibility of such damage. 722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project5. CONTACT INFORMATION 742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 752228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectFraunhofer Institute for Integrated Circuits IIS 762228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAttention: Audio and Multimedia Departments - FDK AAC LL 772228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAm Wolfsmantel 33 782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project91058 Erlangen, Germany 792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectwww.iis.fraunhofer.de/amm 812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectamm-info@iis.fraunhofer.de 822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project----------------------------------------------------------------------------------------------------------- */ 832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/************************** Fraunhofer IIS FDK SysLib ********************** 852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Author(s): Eric Allamanche 872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Description: a rudimentary wav file interface 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "wav_file.h" 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "genericStds.h" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic INT_PCM ulaw2pcm (UCHAR ulawbyte); 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Read header from a WAVEfile. Host endianess is handled accordingly. 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \wav->fp filepointer of type FILE*. 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \wavinfo SWavInfo struct where the decoded header info is stored into. 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return 0 on success and non-zero on failure. 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT WAV_InputOpen (HANDLE_WAV *pWav, const char *filename) 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_WAV wav = (HANDLE_WAV)FDKcalloc(1, sizeof(struct WAV)); 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT offset; 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav == NULL) { 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): Unable to allocate WAV struct.\n"); 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->fp = FDKfopen(filename, "rb"); 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav->fp == NULL) { 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): Unable to open wav file. %s\n", filename); 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* read RIFF-chunk */ 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfread(&(wav->header.riffType), 1, 4, wav->fp) != 4) { 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): couldn't read RIFF_ID\n"); 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; /* bad error "couldn't read RIFF_ID" */ 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKstrncmp("RIFF", wav->header.riffType, 4)) { 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): RIFF descriptor not found.\n") ; 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Read RIFF size. Ignored. */ 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(wav->header.riffSize), 4, 1, wav->fp); 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* read WAVE-chunk */ 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfread(&wav->header.waveType, 1, 4, wav->fp) !=4) { 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): couldn't read format\n"); 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; /* bad error "couldn't read format" */ 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKstrncmp("WAVE", wav->header.waveType, 4)) { 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): WAVE chunk ID not found.\n") ; 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* read format-chunk */ 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfread(&(wav->header.formatType), 1, 4, wav->fp) != 4) { 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): couldn't read format_ID\n"); 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; /* bad error "couldn't read format_ID" */ 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKstrncmp("fmt", wav->header.formatType, 3)) { 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): fmt chunk format not found.\n") ; 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&wav->header.formatSize, 4, 1, wav->fp); /* should be 16 for PCM-format (uncompressed) */ 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* read info */ 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(wav->header.compressionCode), 2, 1, wav->fp); 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(wav->header.numChannels), 2, 1, wav->fp); 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(wav->header.sampleRate), 4, 1, wav->fp); 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(wav->header.bytesPerSecond), 4, 1, wav->fp); 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(wav->header.blockAlign), 2, 1, wav->fp); 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(wav->header.bitsPerSample), 2, 1, wav->fp); 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project offset = wav->header.formatSize - 16; 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Wave format extensible */ 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav->header.compressionCode == 0xFFFE) { 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project static const UCHAR guidPCM[16] = { 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project }; 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project USHORT extraFormatBytes, validBitsPerSample; 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR guid[16]; 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT i; 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* read extra bytes */ 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(extraFormatBytes), 2, 1, wav->fp); 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project offset -= 2; 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (extraFormatBytes >= 22) { 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(validBitsPerSample), 2, 1, wav->fp); 186577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi FDKfread_EL(&(wav->channelMask), 4, 1, wav->fp); 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&(guid), 16, 1, wav->fp); 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* check for PCM GUID */ 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i = 0; i < 16; i++) if (guid[i] != guidPCM[i]) break; 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (i == 16) wav->header.compressionCode = 0x01; 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project offset -= 22; 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Skip rest of fmt header if any. */ 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (;offset > 0; offset--) { 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread(&wav->header.formatSize, 1, 1, wav->fp); 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project do { 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Read data chunk ID */ 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfread(wav->header.dataType, 1, 4, wav->fp) != 4) { 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_InputOpen(): Unable to read data chunk ID.\n"); 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfree(wav); 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto error; 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Read chunk length. */ 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread_EL(&offset, 4, 1, wav->fp); 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check for data chunk signature. */ 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKstrncmp("data", wav->header.dataType, 4) == 0) { 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.dataSize = offset; 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Jump over non data chunk. */ 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (;offset > 0; offset--) { 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfread(&(wav->header.dataSize), 1, 1, wav->fp); 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } while (!FDKfeof(wav->fp)); 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* return success */ 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pWav = wav; 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Error path */ 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecterror: 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav) { 232577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi if (wav->fp) { 233577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi FDKfclose(wav->fp); 234577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi wav->fp = NULL; 235577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi } 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfree(wav); 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pWav = NULL; 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Read samples from a WAVEfile. The samples are automatically reorder to the native 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * host endianess and scaled to full scale of the INT_PCM type, from whatever bps the WAVEfile 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * had specified in its haader data. 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 2502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \wav HANDLE_WAV of the wav file. 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \buffer Pointer to store read data. 2522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \numSamples Desired number of samples to read. 2532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \nBits sample size in bits to be used for the buffer 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 2552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return Number of samples actually read. 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 2582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT WAV_InputRead (HANDLE_WAV wav, void *buffer, UINT numSamples, int nBits) 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT result = 0 ; 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT i; 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SCHAR *bptr = (SCHAR*)buffer; 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LONG *lptr = (LONG*)buffer; 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT *sptr = (SHORT*)buffer; 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (wav->header.compressionCode) 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 0x01: /* PCM uncompressed */ 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nBits == wav->header.bitsPerSample) { 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project result = FDKfread_EL(buffer, wav->header.bitsPerSample >> 3, numSamples, wav->fp) ; 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project result = 0; 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i=0; i<numSamples; i++) 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LONG tmp = 0; 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project result += FDKfread_EL(&tmp, wav->header.bitsPerSample >> 3, 1, wav->fp) ; 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Move read bits to lower bits of LONG. */ 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !IS_LITTLE_ENDIAN() && wav->header.bitsPerSample != 24 && wav->header.bitsPerSample < 32) { 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmp >>= (32-wav->header.bitsPerSample); 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Full scale */ 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav->header.bitsPerSample > nBits) 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmp >>= (wav->header.bitsPerSample-nBits); 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmp <<= (nBits-wav->header.bitsPerSample); 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nBits == 8) 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *bptr++ = (SCHAR) tmp; 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nBits == 16) 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *sptr++ = (SHORT) tmp; 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nBits == 32) 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *lptr++ = (LONG) tmp; 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 0x07: /* u-Law compression */ 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i=0; i<numSamples; i++) { 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project result += FDKfread(&(bptr[i<<1]), 1, 1, wav->fp) ; 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sptr[i] = ulaw2pcm(bptr[i<<1]) ; 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break ; 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintf("WAV_InputRead(): unsupported data-compression!!") ; 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break ; 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return result ; 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid WAV_InputClose(HANDLE_WAV *pWav) 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_WAV wav = *pWav; 3172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav != NULL) { 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav->fp != NULL) { 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfclose(wav->fp); 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->fp = NULL; 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav) { 3242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfree(wav); 3252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pWav = NULL; 3282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* conversion of u-law to linear coding */ 3312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic INT_PCM ulaw2pcm (UCHAR ulawbyte) 3322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project static const INT exp_lut[8] = { 0, 132, 396, 924, 1980, 4092, 8316, 16764 } ; 3342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT sign, exponent, mantissa, sample ; 3352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ulawbyte = (UCHAR)~ulawbyte ; 3372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sign = (ulawbyte & 0x80) ; 3382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project exponent = (ulawbyte >> 4) & 0x07 ; 3392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project mantissa = ulawbyte & 0x0F ; 3402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sample = exp_lut[exponent] + (mantissa << (exponent + 3)) ; 3422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sign != 0) 3432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sample = -sample ; 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return (INT_PCM)sample ; 3462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/************** Writer ***********************/ 3492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic UINT LittleEndian32(UINT v) 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (IS_LITTLE_ENDIAN()) 3532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return v ; 3542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 3552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return (v & 0x000000FF) << 24 | (v & 0x0000FF00) << 8 | (v & 0x00FF0000) >> 8 | (v & 0xFF000000) >> 24; 3562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic SHORT LittleEndian16(SHORT v) 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (IS_LITTLE_ENDIAN()) 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return v; 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return (SHORT)(((v << 8) & 0xFF00) | ((v >> 8) & 0x00FF)); 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic USHORT Unpack(USHORT v) 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (IS_LITTLE_ENDIAN()) 3692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return v; 3702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 3712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return (SHORT)(((v << 8) & 0xFF00) | ((v >> 8) & 0x00FF)); 3722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 3752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * WAV_OutputOpen 3762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Open WAV output/writer handle 3772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param pWav pointer to WAV handle to be returned 3782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param sampleRate desired samplerate of the resulting WAV file 3792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param numChannels desired number of audio channels of the resulting WAV file 3802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bitsPerSample desired number of bits per audio sample of the resulting WAV file 3812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 3822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return value: 0: ok 3832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * -1: error 3842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 3852228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT WAV_OutputOpen(HANDLE_WAV *pWav, const char *outputFilename, INT sampleRate, INT numChannels, INT bitsPerSample) 3862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_WAV wav = (HANDLE_WAV)FDKcalloc(1, sizeof(struct WAV)); 3882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT size = 0; 3892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 390577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi if (wav == NULL) { 391577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi FDKprintfErr("WAV_OutputOpen(): Unable to allocate WAV struct.\n"); 392577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi goto bail; 393577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi } 394577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi 3952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (bitsPerSample != 16 && bitsPerSample != 24 && bitsPerSample != 32) 3962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_OutputOpen(): Invalid argument (bitsPerSample).\n"); 3982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 3992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->fp = FDKfopen(outputFilename, "wb"); 4022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav->fp == NULL) 4032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_OutputOpen(): unable to create file %s\n", outputFilename); 4052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 4062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKstrcpy(wav->header.riffType, "RIFF"); 4092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.riffSize = LittleEndian32(0x7fffffff); /* in case fseek() doesn't work later in WAV_OutputClose() */ 4102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKstrcpy(wav->header.waveType, "WAVE"); 4112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKstrcpy(wav->header.formatType, "fmt "); 4132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.formatSize = LittleEndian32(16); 4142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.compressionCode = LittleEndian16(0x01); 4162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.bitsPerSample = LittleEndian16((SHORT)bitsPerSample); 4172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.numChannels = LittleEndian16((SHORT)numChannels); 4182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.blockAlign = LittleEndian16((SHORT)(numChannels * (bitsPerSample >> 3))); 4192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.sampleRate = LittleEndian32(sampleRate); 4202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.bytesPerSecond = LittleEndian32(sampleRate * wav->header.blockAlign); 4212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKstrcpy(wav->header.dataType, "data"); 4222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.dataSize = LittleEndian32(0x7fffffff - 36); 4232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project size = sizeof(WAV_HEADER); 4262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfwrite(&wav->header, 1, size, wav->fp) != size) 4272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_OutputOpen(): error writing to output file %s\n", outputFilename); 4292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 4302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.dataSize = wav->header.riffSize = 0; 4342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pWav = wav; 4362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 4382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 440577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi if (wav) { 441577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi if (wav->fp) { 442577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi FDKfclose(wav->fp); 443577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi } 4442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfree(wav); 445577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi } 4462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pWav = NULL; 4482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 4502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 4542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * WAV_OutputWrite 4552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Write data to WAV file asociated to WAV handle 4562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 4572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param wav handle of wave file 4582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param sampleBuffer pointer to audio samples, right justified integer values 4592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param nBufBits size in bits of each audio sample in sampleBuffer 4602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param nSigBits amount of significant bits of each nBufBits in sampleBuffer 4612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 4622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return value: 0: ok 4632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * -1: error 4642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 4652228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT WAV_OutputWrite(HANDLE_WAV wav, void *sampleBuffer, UINT numberOfSamples, int nBufBits, int nSigBits) 4662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SCHAR *bptr = (SCHAR*)sampleBuffer; 4682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT *sptr = (SHORT*)sampleBuffer; 4692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LONG *lptr = (LONG*)sampleBuffer; 4702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LONG tmp; 4712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bps = Unpack(wav->header.bitsPerSample); 4732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT i; 4742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Pack samples if required */ 4762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (bps == nBufBits && bps == nSigBits) { 4772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfwrite_EL(sampleBuffer, (bps>>3), numberOfSamples, wav->fp) != numberOfSamples) 4782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_OutputWrite(): error: unable to write to file %d\n", wav->fp); 4802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 4812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 4832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i=0; i<numberOfSamples; i++) 4842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int result; 4862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int shift; 4872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (nBufBits) { 4892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 8: tmp = *bptr++; break; 4902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 16: tmp = *sptr++; break; 4912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 32: tmp = *lptr++; break; 4922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: return -1; 4932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Adapt sample size */ 4952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project shift = (nBufBits-nSigBits)-(32-bps); 4962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Correct alignment difference between 32 bit data buffer "tmp" and 24 bits to be written. */ 4982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !IS_LITTLE_ENDIAN() && bps == 24) { 4992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project shift += 8; 5002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (shift < 0) 5032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmp >>= -shift; 5042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 5052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmp <<= shift; 5062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Write sample */ 5082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project result=FDKfwrite_EL(&tmp, bps>>3, 1, wav->fp); 5092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (result <= 0) { 5102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_OutputWrite(): error: unable to write to file %d\n", wav->fp); 5112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 5122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.dataSize += (numberOfSamples * (bps>>3)); 5172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 5182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 5222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * WAV_OutputClose 5232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Close WAV Output handle 5242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param pWav pointer to WAV handle. *pWav is set to NULL. 5252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 5262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid WAV_OutputClose(HANDLE_WAV *pWav) 5272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 5282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_WAV wav = *pWav; 5292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT size = 0; 5302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( wav == NULL ) { 5322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return; 5332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.dataSize = LittleEndian32(wav->header.dataSize); 5362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->header.riffSize = LittleEndian32(wav->header.dataSize + 36); 5372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (wav->fp != NULL) 5392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfseek(wav->fp, 0, FDKSEEK_SET)) { 5412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintf("WAV_OutputClose(): fseek() failed.\n"); 5422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project size = sizeof(WAV_HEADER); 5452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfwrite(&wav->header.riffType, 1, size, wav->fp) != size) 5462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_OutputClose(): unable to write header\n"); 5482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKfclose(wav->fp)) 5512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintfErr("WAV_OutputClose(): unable to close wav file\n"); 5532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project wav->fp = NULL; 5552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfree(wav); 5582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pWav = NULL; 5592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 561